From bc1048062dda8d64020309c425a5bb8094c37490 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Wed, 20 Jan 2021 20:05:14 +0100 Subject: [PATCH 01/36] early version of async support for CSI and ESC handlers --- src/common/CoreTerminal.ts | 2 +- src/common/InputHandler.ts | 66 +++++++++++--- src/common/input/WriteBuffer.ts | 65 +++++++++++-- src/common/parser/EscapeSequenceParser.ts | 106 +++++++++++++++++++++- src/common/parser/Types.d.ts | 2 +- test/benchmark/Terminal.benchmark.ts | 36 ++++++-- 6 files changed, 245 insertions(+), 32 deletions(-) diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index 2f636349..11e71bad 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -109,7 +109,7 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { this.register(this.optionsService.onOptionChange(key => this._updateOptions(key))); // Setup WriteBuffer - this._writeBuffer = new WriteBuffer(data => this._inputHandler.parse(data)); + this._writeBuffer = new WriteBuffer((data, promiseResult) => this._inputHandler.parse(data, promiseResult)); } public dispose(): void { diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index 626e1fe2..32428c77 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -333,7 +333,7 @@ export class InputHandler extends Disposable implements IInputHandler { this._parser.setCsiHandler({prefix: '?', final: 'h'}, params => this.setModePrivate(params)); this._parser.setCsiHandler({final: 'l'}, params => this.resetMode(params)); this._parser.setCsiHandler({prefix: '?', final: 'l'}, params => this.resetModePrivate(params)); - this._parser.setCsiHandler({final: 'm'}, params => this.charAttributes(params)); + this._parser.setCsiHandler({final: 'm'}, (params => this.charAttributes(params)) as (p: any) => void); this._parser.setCsiHandler({final: 'n'}, params => this.deviceStatus(params)); this._parser.setCsiHandler({prefix: '?', final: 'n'}, params => this.deviceStatusPrivate(params)); this._parser.setCsiHandler({intermediates: '!', final: 'p'}, params => this.softReset(params)); @@ -454,10 +454,43 @@ export class InputHandler extends Disposable implements IInputHandler { super.dispose(); } - public parse(data: string | Uint8Array): void { + // FIXME: cleanup async handling + private _parseStack = { + paused: false, + cursorStartX: 0, + cursorStartY: 0, + decodedLength: 0, + position: 0 + }; + + private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void { + this._parseStack.paused = true; + this._parseStack.cursorStartX = cursorStartX; + this._parseStack.cursorStartY = cursorStartY; + this._parseStack.decodedLength = decodedLength; + this._parseStack.position = position; + } + + public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise { + let result: void | Promise; let buffer = this._bufferService.buffer; - const cursorStartX = buffer.x; - const cursorStartY = buffer.y; + let cursorStartX = buffer.x; + let cursorStartY = buffer.y; + let start = 0; + const wasPaused = this._parseStack.paused; + + if (wasPaused) { + // assumption: _parseBuffer never mutates between async calls + if (result = this._parser.parse(this._parseBuffer, this._parseStack.decodedLength, promiseResult)) { + return result; + } + cursorStartX = this._parseStack.cursorStartX; + cursorStartY = this._parseStack.cursorStartY; + this._parseStack.paused = false; + if (data.length > MAX_PARSEBUFFER_LENGTH) { + start = this._parseStack.position + MAX_PARSEBUFFER_LENGTH; + } + } this._logService.debug('parsing data', data); @@ -469,22 +502,33 @@ export class InputHandler extends Disposable implements IInputHandler { } // Clear the dirty row service so we know which lines changed as a result of parsing - this._dirtyRowService.clearRange(); + // Important: do not clear between async calls, otherwise we lost pending update information. + if (!wasPaused) { + this._dirtyRowService.clearRange(); + } // process big data in smaller chunks if (data.length > MAX_PARSEBUFFER_LENGTH) { - for (let i = 0; i < data.length; i += MAX_PARSEBUFFER_LENGTH) { + for (let i = start; i < data.length; i += MAX_PARSEBUFFER_LENGTH) { const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length; const len = (typeof data === 'string') ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer) : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer); - this._parser.parse(this._parseBuffer, len); + if (result = this._parser.parse(this._parseBuffer, len)) { + this._preserveStack(cursorStartX, cursorStartY, len, i); + return result; + } } } else { - const len = (typeof data === 'string') - ? this._stringDecoder.decode(data, this._parseBuffer) - : this._utf8Decoder.decode(data, this._parseBuffer); - this._parser.parse(this._parseBuffer, len); + if (!wasPaused) { + const len = (typeof data === 'string') + ? this._stringDecoder.decode(data, this._parseBuffer) + : this._utf8Decoder.decode(data, this._parseBuffer); + if (result = this._parser.parse(this._parseBuffer, len)) { + this._preserveStack(cursorStartX, cursorStartY, len, 0); + return result; + } + } } buffer = this._bufferService.buffer; diff --git a/src/common/input/WriteBuffer.ts b/src/common/input/WriteBuffer.ts index c7d82458..c6178024 100644 --- a/src/common/input/WriteBuffer.ts +++ b/src/common/input/WriteBuffer.ts @@ -37,8 +37,9 @@ export class WriteBuffer { private _pendingData = 0; private _bufferOffset = 0; - constructor(private _action: (data: string | Uint8Array) => void) { } + constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise) { } + // FIXME: does not work that way anymore with async handlers!!! public writeSync(data: string | Uint8Array): void { // force sync processing on pending data chunks to avoid in-band data scrambling // does the same as innerWrite but without event loop @@ -76,16 +77,64 @@ export class WriteBuffer { this._callbacks.push(callback); } - protected _innerWrite(): void { - const startTime = Date.now(); + protected _innerWrite(d: number = 0, promiseResult: boolean = true): void { + let result: void | Promise; + const startTime = d || Date.now(); while (this._writeBuffer.length > this._bufferOffset) { const data = this._writeBuffer[this._bufferOffset]; - const cb = this._callbacks[this._bufferOffset]; - this._bufferOffset++; - this._action(data); - this._pendingData -= data.length; + if (result = this._action(data, promiseResult)) { + /** + * If we get a promise as return value, we re-schedule the continuation + * as thenable on the promise and exit right away. + * + * The exit here means, that we block input processing at the current active chunk, + * the exact execution position within the chunk is preserved by the saved + * stack content in InputHandler and EscapeSequenceParser. + * + * Resuming happens automatically from that saved stack state. + * Also the resolved promise value is passed along the callstack to + * `EscapeSequenceParser.parse` to correctly resume the stopped handler loop. + * + * Exceptions on async handlers will be logged to console async, but do not interrupt + * the input processing (continues with next handler at the current input position). + * FIXME: No clear exception handling rules for sync handlers yet (will exit whole processing?). + */ + + /** + * If a promise takes long to resolve, we should schedule continuation behind setTimeout. + * This might already be too late, if our .then enters really late (executor + prev thens took very long). + * This cannot be solved here for the handler itself (it is the handlers responsibility to slice hard work), + * but we can at least schedule a screen update as we gain control. + */ + const continuation: (r: boolean) => void = (r: boolean) => Date.now() - startTime >= WRITE_TIMEOUT_MS + ? setTimeout(() => this._innerWrite(0, r)) + : this._innerWrite(startTime, r); + + /** + * Optimization considerations: + * The continuation above favors FPS over throughput by eval'ing `startTime` on resolve. + * This might schedule too many screen updates with bad throughput drops (in case a slow + * resolving handler sliced its work properly behind setTimeout calls). We cannot spot + * this condition here, also the renderer has no way to spot nonsense updates either. + * FIXME: A proper fix for this would track the FPS at the renderer entry level separately. + * + * If favoring of FPS shows bad throughtput impact, use the following instead. It favors + * throughput by eval'ing `startTime` upfront pulling at least one more chunk into the + * current microtask queue (executed before setTimeout). + */ + // const continuation: (r: boolean) => void = Date.now() - startTime >= WRITE_TIMEOUT_MS + // ? r => setTimeout(() => this._innerWrite(0, r)) + // : r => this._innerWrite(startTime, r); + + result.then(continuation, err => { setTimeout(() => { throw err; }); continuation(true); }); + return; + } + + const cb = this._callbacks[this._bufferOffset]; if (cb) cb(); + this._bufferOffset++; + this._pendingData -= data.length; if (Date.now() - startTime >= WRITE_TIMEOUT_MS) { break; @@ -99,7 +148,7 @@ export class WriteBuffer { this._callbacks = this._callbacks.slice(this._bufferOffset); this._bufferOffset = 0; } - setTimeout(() => this._innerWrite(), 0); + setTimeout(() => this._innerWrite()); } else { this._writeBuffer = []; this._callbacks = []; diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 96d206b9..daf9e6eb 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -449,7 +449,45 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this.precedingCodepoint = 0; } + // FIXME: cleanup async handling + private _parseStack: { + paused: boolean; + type: 'ESC' | 'CSI'; // FIXME: support for DCS and OSC + handlers: CsiHandlerType[] | EscHandlerType[]; + handlerPos: number; + transition: number; + currentState: ParserState; + collect: number; + pos: number; + } = { + paused: false, + type: 'ESC', + handlers: [], + handlerPos: 0, + transition: 0, + currentState: 0, + collect: 0, + pos: 0 + }; + private _preserveStack( + type: 'ESC' | 'CSI', + handlers: CsiHandlerType[] | EscHandlerType[], + handlerPos: number, + transition: number, + currentState: ParserState, + collect: number, + pos: number + ): void { + this._parseStack.paused = true; + this._parseStack.type = type; + this._parseStack.handlers = handlers; + this._parseStack.handlerPos = handlerPos; + this._parseStack.transition = transition; + this._parseStack.currentState = currentState; + this._parseStack.collect = collect; + this._parseStack.pos = pos; + } /** * Parse UTF32 codepoints in `data` up to `length`. @@ -465,7 +503,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP * - OSC_STRING:OSC_PUT * - DCS_PASSTHROUGH:DCS_PUT */ - public parse(data: Uint32Array, length: number): void { + public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise { let code = 0; let transition = 0; let currentState = this.currentState; @@ -475,8 +513,58 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP const params = this._params; const table: Uint8Array = this._transitions.table; + let res: any; + let start = 0; + if (this._parseStack.paused) { + const handlers = this._parseStack.handlers; + let handlerPos = this._parseStack.handlerPos - 1; + transition = this._parseStack.transition; + currentState = this._parseStack.currentState; + collect = this._parseStack.collect; + start = this._parseStack.pos; + + // we have to resume the old handler loop if: + // - return value of the promise was `false` + // - handlers are not exhausted yet + // FIXME: removing handlers from within a handler of the same sequence + // is not supported atm (also true for sync handlers)!! + if (promiseResult === false && handlerPos > -1) { + switch (this._parseStack.type) { + case 'CSI': + for (; handlerPos >= 0; handlerPos--) { + if ((res = (handlers as CsiHandlerType[])[handlerPos](params)) !== false) { + if (res instanceof Promise) { + this._parseStack.handlerPos = handlerPos; + return res; + } + break; + } + } + break; + case 'ESC': + for (; handlerPos >= 0; handlerPos--) { + if ((res = (handlers as EscHandlerType[])[handlerPos]()) !== false) { + if (res instanceof Promise) { + this._parseStack.handlerPos = handlerPos; + return res; + } + break; + } + } + break; + } + } + // cleanup before continuing with the main loop + this.precedingCodepoint = 0; + this._parseStack.paused = false; + start++; + currentState = transition & TableAccess.TRANSITION_STATE_MASK; + } + + // console.log('startPos', start, length); + // process input string - for (let i = 0; i < length; ++i) { + for (let i = start; i < length; ++i) { code = data[i]; // normal transition & action lookup @@ -534,7 +622,13 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP let j = handlers ? handlers.length - 1 : -1; for (; j >= 0; j--) { // undefined or true means success and to stop bubbling - if (handlers[j](params) !== false) { + // FIXME: remove setHandler interface, always use addHandler with proper return value in true|false + // background - result of undefined leads to nonsense instanceof Promise test below + if ((res = handlers[j](params)) !== false) { + if (res && res instanceof Promise) { + this._preserveStack('CSI', handlers, j, transition, currentState, collect, i); + return res; + } break; } } @@ -568,7 +662,11 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP let jj = handlersEsc ? handlersEsc.length - 1 : -1; for (; jj >= 0; jj--) { // undefined or true means success and to stop bubbling - if (handlersEsc[jj]() !== false) { + if ((res = handlersEsc[jj]()) !== false) { + if (res && res instanceof Promise) { + this._preserveStack('ESC', handlersEsc, jj, transition, currentState, collect, i); + return res; + } break; } } diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index e2fac89f..8d55c51a 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -160,7 +160,7 @@ export interface IEscapeSequenceParser extends IDisposable { * Parse UTF32 codepoints in `data` up to `length`. * @param data The data to parse. */ - parse(data: Uint32Array, length: number): void; + parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise; /** * Get string from numercial function identifier `ident`. diff --git a/test/benchmark/Terminal.benchmark.ts b/test/benchmark/Terminal.benchmark.ts index 76139cb6..7d0f5d84 100644 --- a/test/benchmark/Terminal.benchmark.ts +++ b/test/benchmark/Terminal.benchmark.ts @@ -29,7 +29,7 @@ perfContext('Terminal: ls -lR /usr/lib', () => { chunks.push(data as unknown as Buffer); length += data.length; }); - await new Promise(resolve => p.on('exit', () => resolve())); + await new Promise(resolve => p.on('exit', () => resolve())); contentUtf8 = Buffer.concat(chunks, length); // translate to content string const buffer = new Uint32Array(contentUtf8.length); @@ -44,24 +44,46 @@ perfContext('Terminal: ls -lR /usr/lib', () => { } }); - perfContext('write', () => { + // perfContext('write/string/sync', () => { + // let terminal: Terminal; + // before(() => { + // terminal = new Terminal({cols: 80, rows: 25, scrollback: 1000}); + // }); + // new ThroughputRuntimeCase('', () => { + // terminal.writeSync(content); + // return {payloadSize: contentUtf8.length}; + // }, {fork: false}).showAverageThroughput(); + // }); + // + // perfContext('write/Utf8/sync', () => { + // let terminal: Terminal; + // before(() => { + // terminal = new Terminal({cols: 80, rows: 25, scrollback: 1000}); + // }); + // new ThroughputRuntimeCase('', () => { + // terminal.writeSync(content); + // return {payloadSize: contentUtf8.length}; + // }, {fork: false}).showAverageThroughput(); + // }); + + perfContext('write/string/async', () => { let terminal: Terminal; before(() => { terminal = new Terminal({cols: 80, rows: 25, scrollback: 1000}); }); - new ThroughputRuntimeCase('', () => { - terminal.writeSync(content); + new ThroughputRuntimeCase('', async () => { + await new Promise(res => terminal.write(content, res)); return {payloadSize: contentUtf8.length}; }, {fork: false}).showAverageThroughput(); }); - perfContext('writeUtf8', () => { + perfContext('write/Utf8/async', () => { let terminal: Terminal; before(() => { terminal = new Terminal({cols: 80, rows: 25, scrollback: 1000}); }); - new ThroughputRuntimeCase('', () => { - terminal.writeSync(content); + new ThroughputRuntimeCase('', async () => { + await new Promise(res => terminal.write(content, res)); return {payloadSize: contentUtf8.length}; }, {fork: false}).showAverageThroughput(); }); From 4a1bdad7590e87e03653db15c8743a48be3cc6af Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Fri, 22 Jan 2021 19:48:50 +0100 Subject: [PATCH 02/36] fix tests for async handlers in inputhandler --- src/common/InputHandler.test.ts | 1038 ++++++++++++++++--------------- 1 file changed, 526 insertions(+), 512 deletions(-) diff --git a/src/common/InputHandler.test.ts b/src/common/InputHandler.test.ts index 4c0d8559..ebc0df6a 100644 --- a/src/common/InputHandler.test.ts +++ b/src/common/InputHandler.test.ts @@ -41,6 +41,18 @@ class TestInputHandler extends InputHandler { public get windowTitleStack(): string[] { return this._windowTitleStack; } public get iconNameStack(): string[] { return this._iconNameStack; } public parseAnsiColorChange(data: string): IAnsiColorChangeEvent | null { return this._parseAnsiColorChange(data); } + + /** + * Promise based parse call to await the full resolve of given input data. + * This is useful to test async handlers in inputhandler directly. + */ + public async parseP(data: string | Uint8Array): Promise { + let result: Promise | void; + let prev: boolean | undefined; + while (result = this.parse(data, prev)) { + prev = await result; + } + } } describe('InputHandler', () => { @@ -118,7 +130,7 @@ describe('InputHandler', () => { describe('setMode', () => { it('should toggle bracketedPasteMode', () => { const coreService = new MockCoreService(); - const inputHandler = new InputHandler(new MockBufferService(80, 30), new MockCharsetService(), coreService, new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + const inputHandler = new TestInputHandler(new MockBufferService(80, 30), new MockCharsetService(), coreService, new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); // Set bracketed paste mode inputHandler.setModePrivate(Params.fromArray([2004])); assert.equal(coreService.decPrivateModes.bracketedPasteMode, true); @@ -134,15 +146,15 @@ describe('InputHandler', () => { return result; } - it('insertChars', function(): void { + it('insertChars', async () => { const bufferService = new MockBufferService(80, 30); - const inputHandler = new InputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + const inputHandler = new TestInputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); // insert some data in first and second line - inputHandler.parse(Array(bufferService.cols - 9).join('a')); - inputHandler.parse('1234567890'); - inputHandler.parse(Array(bufferService.cols - 9).join('a')); - inputHandler.parse('1234567890'); + await inputHandler.parseP(Array(bufferService.cols - 9).join('a')); + await inputHandler.parseP('1234567890'); + await inputHandler.parseP(Array(bufferService.cols - 9).join('a')); + await inputHandler.parseP('1234567890'); const line1: IBufferLine = bufferService.buffer.lines.get(0)!; expect(line1.translateToString(false)).equals(Array(bufferService.cols - 9).join('a') + '1234567890'); @@ -171,15 +183,15 @@ describe('InputHandler', () => { expect(line1.translateToString(false)).equals(Array(bufferService.cols - 9).join('a') + ' '); expect(line1.translateToString(true)).equals(Array(bufferService.cols - 9).join('a')); }); - it('deleteChars', function(): void { + it('deleteChars', async () => { const bufferService = new MockBufferService(80, 30); - const inputHandler = new InputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + const inputHandler = new TestInputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); // insert some data in first and second line - inputHandler.parse(Array(bufferService.cols - 9).join('a')); - inputHandler.parse('1234567890'); - inputHandler.parse(Array(bufferService.cols - 9).join('a')); - inputHandler.parse('1234567890'); + await inputHandler.parseP(Array(bufferService.cols - 9).join('a')); + await inputHandler.parseP('1234567890'); + await inputHandler.parseP(Array(bufferService.cols - 9).join('a')); + await inputHandler.parseP('1234567890'); const line1: IBufferLine = bufferService.buffer.lines.get(0)!; expect(line1.translateToString(false)).equals(Array(bufferService.cols - 9).join('a') + '1234567890'); @@ -211,14 +223,14 @@ describe('InputHandler', () => { expect(line1.translateToString(false)).equals(Array(bufferService.cols - 9).join('a') + ' '); expect(line1.translateToString(true)).equals(Array(bufferService.cols - 9).join('a')); }); - it('eraseInLine', function(): void { + it('eraseInLine', async () => { const bufferService = new MockBufferService(80, 30); - const inputHandler = new InputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + const inputHandler = new TestInputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); // fill 6 lines to test 3 different states - inputHandler.parse(Array(bufferService.cols + 1).join('a')); - inputHandler.parse(Array(bufferService.cols + 1).join('a')); - inputHandler.parse(Array(bufferService.cols + 1).join('a')); + await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); + await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); + await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // params[0] - right erase bufferService.buffer.y = 0; @@ -239,12 +251,12 @@ describe('InputHandler', () => { expect(bufferService.buffer.lines.get(2)!.translateToString(false)).equals(Array(bufferService.cols + 1).join(' ')); }); - it('eraseInDisplay', function(): void { + it('eraseInDisplay', async () => { const bufferService = new MockBufferService(80, 7); - const inputHandler = new InputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + const inputHandler = new TestInputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); // fill display with a's - for (let i = 0; i < bufferService.rows; ++i) inputHandler.parse(Array(bufferService.cols + 1).join('a')); + for (let i = 0; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // params [0] - right and below erase bufferService.buffer.y = 5; @@ -272,7 +284,7 @@ describe('InputHandler', () => { // reset bufferService.buffer.y = 0; bufferService.buffer.x = 0; - for (let i = 0; i < bufferService.rows; ++i) inputHandler.parse(Array(bufferService.cols + 1).join('a')); + for (let i = 0; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // params [1] - left and above bufferService.buffer.y = 5; @@ -300,7 +312,7 @@ describe('InputHandler', () => { // reset bufferService.buffer.y = 0; bufferService.buffer.x = 0; - for (let i = 0; i < bufferService.rows; ++i) inputHandler.parse(Array(bufferService.cols + 1).join('a')); + for (let i = 0; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // params [2] - whole screen bufferService.buffer.y = 5; @@ -328,9 +340,9 @@ describe('InputHandler', () => { // reset and add a wrapped line bufferService.buffer.y = 0; bufferService.buffer.x = 0; - inputHandler.parse(Array(bufferService.cols + 1).join('a')); // line 0 - inputHandler.parse(Array(bufferService.cols + 10).join('a')); // line 1 and 2 - for (let i = 3; i < bufferService.rows; ++i) inputHandler.parse(Array(bufferService.cols + 1).join('a')); + await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // line 0 + await inputHandler.parseP(Array(bufferService.cols + 10).join('a')); // line 1 and 2 + for (let i = 3; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // params[1] left and above with wrap // confirm precondition that line 2 is wrapped @@ -343,9 +355,9 @@ describe('InputHandler', () => { // reset and add a wrapped line bufferService.buffer.y = 0; bufferService.buffer.x = 0; - inputHandler.parse(Array(bufferService.cols + 1).join('a')); // line 0 - inputHandler.parse(Array(bufferService.cols + 10).join('a')); // line 1 and 2 - for (let i = 3; i < bufferService.rows; ++i) inputHandler.parse(Array(bufferService.cols + 1).join('a')); + await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // line 0 + await inputHandler.parseP(Array(bufferService.cols + 10).join('a')); // line 1 and 2 + for (let i = 3; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // params[1] left and above with wrap // confirm precondition that line 2 is wrapped @@ -358,45 +370,45 @@ describe('InputHandler', () => { }); describe('print', () => { it('should not cause an infinite loop (regression test)', () => { - const inputHandler = new InputHandler(new MockBufferService(80, 30), new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + const inputHandler = new TestInputHandler(new MockBufferService(80, 30), new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); const container = new Uint32Array(10); container[0] = 0x200B; inputHandler.print(container, 0, 1); }); - it('should clear cells to the right on early wrap-around', () => { + it('should clear cells to the right on early wrap-around', async () => { bufferService.resize(5, 5); optionsService.options.scrollback = 1; - inputHandler.parse('12345'); + await inputHandler.parseP('12345'); bufferService.buffer.x = 0; - inputHandler.parse('¥¥¥'); + await inputHandler.parseP('¥¥¥'); assert.deepEqual(getLines(bufferService, 2), ['¥¥', '¥']); }); }); describe('alt screen', () => { let bufferService: IBufferService; - let handler: InputHandler; + let handler: TestInputHandler; beforeEach(() => { bufferService = new MockBufferService(80, 30); - handler = new InputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); + handler = new TestInputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockDirtyRowService(), new MockLogService(), new MockOptionsService(), new MockCoreMouseService(), new MockUnicodeService()); }); - it('should handle DECSET/DECRST 47 (alt screen buffer)', () => { - handler.parse('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST'); + it('should handle DECSET/DECRST 47 (alt screen buffer)', async () => { + await handler.parseP('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST'); expect(bufferService.buffer.translateBufferLineToString(0, true)).to.equal(''); expect(bufferService.buffer.translateBufferLineToString(1, true)).to.equal(' TEST'); // Text color of 'TEST' should be red expect((bufferService.buffer.lines.get(1)!.loadCell(4, new CellData()).getFgColor())).to.equal(1); }); - it('should handle DECSET/DECRST 1047 (alt screen buffer)', () => { - handler.parse('\x1b[?1047h\r\n\x1b[31mJUNK\x1b[?1047lTEST'); + it('should handle DECSET/DECRST 1047 (alt screen buffer)', async () => { + await handler.parseP('\x1b[?1047h\r\n\x1b[31mJUNK\x1b[?1047lTEST'); expect(bufferService.buffer.translateBufferLineToString(0, true)).to.equal(''); expect(bufferService.buffer.translateBufferLineToString(1, true)).to.equal(' TEST'); // Text color of 'TEST' should be red expect((bufferService.buffer.lines.get(1)!.loadCell(4, new CellData()).getFgColor())).to.equal(1); }); - it('should handle DECSET/DECRST 1048 (alt screen cursor)', () => { - handler.parse('\x1b[?1048h\r\n\x1b[31mJUNK\x1b[?1048lTEST'); + it('should handle DECSET/DECRST 1048 (alt screen cursor)', async () => { + await handler.parseP('\x1b[?1048h\r\n\x1b[31mJUNK\x1b[?1048lTEST'); expect(bufferService.buffer.translateBufferLineToString(0, true)).to.equal('TEST'); expect(bufferService.buffer.translateBufferLineToString(1, true)).to.equal('JUNK'); // Text color of 'TEST' should be default @@ -404,166 +416,166 @@ describe('InputHandler', () => { // Text color of 'JUNK' should be red expect((bufferService.buffer.lines.get(1)!.loadCell(0, new CellData()).getFgColor())).to.equal(1); }); - it('should handle DECSET/DECRST 1049 (alt screen buffer+cursor)', () => { - handler.parse('\x1b[?1049h\r\n\x1b[31mJUNK\x1b[?1049lTEST'); + it('should handle DECSET/DECRST 1049 (alt screen buffer+cursor)', async () => { + await handler.parseP('\x1b[?1049h\r\n\x1b[31mJUNK\x1b[?1049lTEST'); expect(bufferService.buffer.translateBufferLineToString(0, true)).to.equal('TEST'); expect(bufferService.buffer.translateBufferLineToString(1, true)).to.equal(''); // Text color of 'TEST' should be default expect(bufferService.buffer.lines.get(0)!.loadCell(0, new CellData()).fg).to.equal(DEFAULT_ATTR_DATA.fg); }); - it('should handle DECSET/DECRST 1049 - maintains saved cursor for alt buffer', () => { - handler.parse('\x1b[?1049h\r\n\x1b[31m\x1b[s\x1b[?1049lTEST'); + it('should handle DECSET/DECRST 1049 - maintains saved cursor for alt buffer', async () => { + await handler.parseP('\x1b[?1049h\r\n\x1b[31m\x1b[s\x1b[?1049lTEST'); expect(bufferService.buffer.translateBufferLineToString(0, true)).to.equal('TEST'); // Text color of 'TEST' should be default expect(bufferService.buffer.lines.get(0)!.loadCell(0, new CellData()).fg).to.equal(DEFAULT_ATTR_DATA.fg); - handler.parse('\x1b[?1049h\x1b[uTEST'); + await handler.parseP('\x1b[?1049h\x1b[uTEST'); expect(bufferService.buffer.translateBufferLineToString(1, true)).to.equal('TEST'); // Text color of 'TEST' should be red expect((bufferService.buffer.lines.get(1)!.loadCell(0, new CellData()).getFgColor())).to.equal(1); }); - it('should handle DECSET/DECRST 1049 - clears alt buffer with erase attributes', () => { - handler.parse('\x1b[42m\x1b[?1049h'); + it('should handle DECSET/DECRST 1049 - clears alt buffer with erase attributes', async () => { + await handler.parseP('\x1b[42m\x1b[?1049h'); // Buffer should be filled with green background expect(bufferService.buffer.lines.get(20)!.loadCell(10, new CellData()).getBgColor()).to.equal(2); }); }); describe('text attributes', () => { - it('bold', () => { - inputHandler.parse('\x1b[1m'); + it('bold', async () => { + await inputHandler.parseP('\x1b[1m'); assert.equal(!!inputHandler.curAttrData.isBold(), true); - inputHandler.parse('\x1b[22m'); + await inputHandler.parseP('\x1b[22m'); assert.equal(!!inputHandler.curAttrData.isBold(), false); }); - it('dim', () => { - inputHandler.parse('\x1b[2m'); + it('dim', async () => { + await inputHandler.parseP('\x1b[2m'); assert.equal(!!inputHandler.curAttrData.isDim(), true); - inputHandler.parse('\x1b[22m'); + await inputHandler.parseP('\x1b[22m'); assert.equal(!!inputHandler.curAttrData.isDim(), false); }); - it('italic', () => { - inputHandler.parse('\x1b[3m'); + it('italic', async () => { + await inputHandler.parseP('\x1b[3m'); assert.equal(!!inputHandler.curAttrData.isItalic(), true); - inputHandler.parse('\x1b[23m'); + await inputHandler.parseP('\x1b[23m'); assert.equal(!!inputHandler.curAttrData.isItalic(), false); }); - it('underline', () => { - inputHandler.parse('\x1b[4m'); + it('underline', async () => { + await inputHandler.parseP('\x1b[4m'); assert.equal(!!inputHandler.curAttrData.isUnderline(), true); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(!!inputHandler.curAttrData.isUnderline(), false); }); - it('blink', () => { - inputHandler.parse('\x1b[5m'); + it('blink', async () => { + await inputHandler.parseP('\x1b[5m'); assert.equal(!!inputHandler.curAttrData.isBlink(), true); - inputHandler.parse('\x1b[25m'); + await inputHandler.parseP('\x1b[25m'); assert.equal(!!inputHandler.curAttrData.isBlink(), false); }); - it('inverse', () => { - inputHandler.parse('\x1b[7m'); + it('inverse', async () => { + await inputHandler.parseP('\x1b[7m'); assert.equal(!!inputHandler.curAttrData.isInverse(), true); - inputHandler.parse('\x1b[27m'); + await inputHandler.parseP('\x1b[27m'); assert.equal(!!inputHandler.curAttrData.isInverse(), false); }); - it('invisible', () => { - inputHandler.parse('\x1b[8m'); + it('invisible', async () => { + await inputHandler.parseP('\x1b[8m'); assert.equal(!!inputHandler.curAttrData.isInvisible(), true); - inputHandler.parse('\x1b[28m'); + await inputHandler.parseP('\x1b[28m'); assert.equal(!!inputHandler.curAttrData.isInvisible(), false); }); - it('colormode palette 16', () => { + it('colormode palette 16', async () => { assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); // DEFAULT assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); // DEFAULT // lower 8 colors for (let i = 0; i < 8; ++i) { - inputHandler.parse(`\x1b[${i + 30};${i + 40}m`); + await inputHandler.parseP(`\x1b[${i + 30};${i + 40}m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P16); assert.equal(inputHandler.curAttrData.getFgColor(), i); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P16); assert.equal(inputHandler.curAttrData.getBgColor(), i); } // reset to DEFAULT - inputHandler.parse(`\x1b[39;49m`); + await inputHandler.parseP(`\x1b[39;49m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); }); - it('colormode palette 256', () => { + it('colormode palette 256', async () => { assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); // DEFAULT assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); // DEFAULT // lower 8 colors for (let i = 0; i < 256; ++i) { - inputHandler.parse(`\x1b[38;5;${i};48;5;${i}m`); + await inputHandler.parseP(`\x1b[38;5;${i};48;5;${i}m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.getFgColor(), i); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.getBgColor(), i); } // reset to DEFAULT - inputHandler.parse(`\x1b[39;49m`); + await inputHandler.parseP(`\x1b[39;49m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); assert.equal(inputHandler.curAttrData.getFgColor(), -1); assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); assert.equal(inputHandler.curAttrData.getBgColor(), -1); }); - it('colormode RGB', () => { + it('colormode RGB', async () => { assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); // DEFAULT assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); // DEFAULT - inputHandler.parse(`\x1b[38;2;1;2;3;48;2;4;5;6m`); + await inputHandler.parseP(`\x1b[38;2;1;2;3;48;2;4;5;6m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_RGB); assert.equal(inputHandler.curAttrData.getFgColor(), 1 << 16 | 2 << 8 | 3); assert.deepEqual(AttributeData.toColorRGB(inputHandler.curAttrData.getFgColor()), [1, 2, 3]); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_RGB); assert.deepEqual(AttributeData.toColorRGB(inputHandler.curAttrData.getBgColor()), [4, 5, 6]); // reset to DEFAULT - inputHandler.parse(`\x1b[39;49m`); + await inputHandler.parseP(`\x1b[39;49m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); assert.equal(inputHandler.curAttrData.getFgColor(), -1); assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); assert.equal(inputHandler.curAttrData.getBgColor(), -1); }); - it('colormode transition RGB to 256', () => { + it('colormode transition RGB to 256', async () => { // enter RGB for FG and BG - inputHandler.parse(`\x1b[38;2;1;2;3;48;2;4;5;6m`); + await inputHandler.parseP(`\x1b[38;2;1;2;3;48;2;4;5;6m`); // enter 256 for FG and BG - inputHandler.parse(`\x1b[38;5;255;48;5;255m`); + await inputHandler.parseP(`\x1b[38;5;255;48;5;255m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.getFgColor(), 255); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.getBgColor(), 255); }); - it('colormode transition RGB to 16', () => { + it('colormode transition RGB to 16', async () => { // enter RGB for FG and BG - inputHandler.parse(`\x1b[38;2;1;2;3;48;2;4;5;6m`); + await inputHandler.parseP(`\x1b[38;2;1;2;3;48;2;4;5;6m`); // enter 16 for FG and BG - inputHandler.parse(`\x1b[37;47m`); + await inputHandler.parseP(`\x1b[37;47m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P16); assert.equal(inputHandler.curAttrData.getFgColor(), 7); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P16); assert.equal(inputHandler.curAttrData.getBgColor(), 7); }); - it('colormode transition 16 to 256', () => { + it('colormode transition 16 to 256', async () => { // enter 16 for FG and BG - inputHandler.parse(`\x1b[37;47m`); + await inputHandler.parseP(`\x1b[37;47m`); // enter 256 for FG and BG - inputHandler.parse(`\x1b[38;5;255;48;5;255m`); + await inputHandler.parseP(`\x1b[38;5;255;48;5;255m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.getFgColor(), 255); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.getBgColor(), 255); }); - it('colormode transition 256 to 16', () => { + it('colormode transition 256 to 16', async () => { // enter 256 for FG and BG - inputHandler.parse(`\x1b[38;5;255;48;5;255m`); + await inputHandler.parseP(`\x1b[38;5;255;48;5;255m`); // enter 16 for FG and BG - inputHandler.parse(`\x1b[37;47m`); + await inputHandler.parseP(`\x1b[37;47m`); assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P16); assert.equal(inputHandler.curAttrData.getFgColor(), 7); assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P16); assert.equal(inputHandler.curAttrData.getBgColor(), 7); }); - it('should zero missing RGB values', () => { - inputHandler.parse(`\x1b[38;2;1;2;3m`); - inputHandler.parse(`\x1b[38;2;5m`); + it('should zero missing RGB values', async () => { + await inputHandler.parseP(`\x1b[38;2;1;2;3m`); + await inputHandler.parseP(`\x1b[38;2;5m`); assert.deepEqual(AttributeData.toColorRGB(inputHandler.curAttrData.getFgColor()), [5, 0, 0]); }); }); @@ -573,141 +585,141 @@ describe('InputHandler', () => { inputHandler2 = new TestInputHandler(bufferService, new MockCharsetService(), coreService, new MockDirtyRowService(), new MockLogService(), optionsService, new MockCoreMouseService(), new MockUnicodeService()); }); describe('should equal to semicolon', () => { - it('CSI 38:2::50:100:150 m', () => { + it('CSI 38:2::50:100:150 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;50;100;150m'); - inputHandler.parse('\x1b[38:2::50:100:150m'); + await inputHandler2.parseP('\x1b[38;2;50;100;150m'); + await inputHandler.parseP('\x1b[38:2::50:100:150m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38:2::50:100: m', () => { + it('CSI 38:2::50:100: m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;50;100;m'); - inputHandler.parse('\x1b[38:2::50:100:m'); + await inputHandler2.parseP('\x1b[38;2;50;100;m'); + await inputHandler.parseP('\x1b[38:2::50:100:m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38:2::50:: m', () => { + it('CSI 38:2::50:: m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;50;;m'); - inputHandler.parse('\x1b[38:2::50::m'); + await inputHandler2.parseP('\x1b[38;2;50;;m'); + await inputHandler.parseP('\x1b[38:2::50::m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 0 << 8 | 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38:2:::: m', () => { + it('CSI 38:2:::: m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;;;m'); - inputHandler.parse('\x1b[38:2::::m'); + await inputHandler2.parseP('\x1b[38;2;;;m'); + await inputHandler.parseP('\x1b[38:2::::m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0 << 16 | 0 << 8 | 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38;2::50:100:150 m', () => { + it('CSI 38;2::50:100:150 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;50;100;150m'); - inputHandler.parse('\x1b[38;2::50:100:150m'); + await inputHandler2.parseP('\x1b[38;2;50;100;150m'); + await inputHandler.parseP('\x1b[38;2::50:100:150m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38;2;50:100:150 m', () => { + it('CSI 38;2;50:100:150 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;50;100;150m'); - inputHandler.parse('\x1b[38;2;50:100:150m'); + await inputHandler2.parseP('\x1b[38;2;50;100;150m'); + await inputHandler.parseP('\x1b[38;2;50:100:150m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38;2;50;100:150 m', () => { + it('CSI 38;2;50;100:150 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2;50;100;150m'); - inputHandler.parse('\x1b[38;2;50;100:150m'); + await inputHandler2.parseP('\x1b[38;2;50;100;150m'); + await inputHandler.parseP('\x1b[38;2;50;100:150m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38:5:50 m', () => { + it('CSI 38:5:50 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;5;50m'); - inputHandler.parse('\x1b[38:5:50m'); + await inputHandler2.parseP('\x1b[38;5;50m'); + await inputHandler.parseP('\x1b[38:5:50m'); assert.equal(inputHandler2.curAttrData.fg & 0xFF, 50); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38:5: m', () => { + it('CSI 38:5: m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;5;m'); - inputHandler.parse('\x1b[38:5:m'); + await inputHandler2.parseP('\x1b[38;5;m'); + await inputHandler.parseP('\x1b[38:5:m'); assert.equal(inputHandler2.curAttrData.fg & 0xFF, 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38;5:50 m', () => { + it('CSI 38;5:50 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;5;50m'); - inputHandler.parse('\x1b[38;5:50m'); + await inputHandler2.parseP('\x1b[38;5;50m'); + await inputHandler.parseP('\x1b[38;5:50m'); assert.equal(inputHandler2.curAttrData.fg & 0xFF, 50); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); }); describe('should fill early sequence end with default of 0', () => { - it('CSI 38:2 m', () => { + it('CSI 38:2 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;2m'); - inputHandler.parse('\x1b[38:2m'); + await inputHandler2.parseP('\x1b[38;2m'); + await inputHandler.parseP('\x1b[38:2m'); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0 << 16 | 0 << 8 | 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 38:5 m', () => { + it('CSI 38:5 m', async () => { inputHandler.curAttrData.fg = 0xFFFFFFFF; inputHandler2.curAttrData.fg = 0xFFFFFFFF; - inputHandler2.parse('\x1b[38;5m'); - inputHandler.parse('\x1b[38:5m'); + await inputHandler2.parseP('\x1b[38;5m'); + await inputHandler.parseP('\x1b[38:5m'); assert.equal(inputHandler2.curAttrData.fg & 0xFF, 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); }); describe('should not interfere with leading/following SGR attrs', () => { - it('CSI 1 ; 38:2::50:100:150 ; 4 m', () => { - inputHandler2.parse('\x1b[1;38;2;50;100;150;4m'); - inputHandler.parse('\x1b[1;38:2::50:100:150;4m'); + it('CSI 1 ; 38:2::50:100:150 ; 4 m', async () => { + await inputHandler2.parseP('\x1b[1;38;2;50;100;150;4m'); + await inputHandler.parseP('\x1b[1;38:2::50:100:150;4m'); assert.equal(!!inputHandler2.curAttrData.isBold(), true); assert.equal(!!inputHandler2.curAttrData.isUnderline(), true); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 1 ; 38:2::50:100: ; 4 m', () => { - inputHandler2.parse('\x1b[1;38;2;50;100;;4m'); - inputHandler.parse('\x1b[1;38:2::50:100:;4m'); + it('CSI 1 ; 38:2::50:100: ; 4 m', async () => { + await inputHandler2.parseP('\x1b[1;38;2;50;100;;4m'); + await inputHandler.parseP('\x1b[1;38:2::50:100:;4m'); assert.equal(!!inputHandler2.curAttrData.isBold(), true); assert.equal(!!inputHandler2.curAttrData.isUnderline(), true); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 1 ; 38:2::50:100 ; 4 m', () => { - inputHandler2.parse('\x1b[1;38;2;50;100;;4m'); - inputHandler.parse('\x1b[1;38:2::50:100;4m'); + it('CSI 1 ; 38:2::50:100 ; 4 m', async () => { + await inputHandler2.parseP('\x1b[1;38;2;50;100;;4m'); + await inputHandler.parseP('\x1b[1;38:2::50:100;4m'); assert.equal(!!inputHandler2.curAttrData.isBold(), true); assert.equal(!!inputHandler2.curAttrData.isUnderline(), true); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 1 ; 38:2:: ; 4 m', () => { - inputHandler2.parse('\x1b[1;38;2;;;;4m'); - inputHandler.parse('\x1b[1;38:2::;4m'); + it('CSI 1 ; 38:2:: ; 4 m', async () => { + await inputHandler2.parseP('\x1b[1;38;2;;;;4m'); + await inputHandler.parseP('\x1b[1;38:2::;4m'); assert.equal(!!inputHandler2.curAttrData.isBold(), true); assert.equal(!!inputHandler2.curAttrData.isUnderline(), true); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0); assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg); }); - it('CSI 1 ; 38;2:: ; 4 m', () => { - inputHandler2.parse('\x1b[1;38;2;;;;4m'); - inputHandler.parse('\x1b[1;38;2::;4m'); + it('CSI 1 ; 38;2:: ; 4 m', async () => { + await inputHandler2.parseP('\x1b[1;38;2;;;;4m'); + await inputHandler.parseP('\x1b[1;38;2::;4m'); assert.equal(!!inputHandler2.curAttrData.isBold(), true); assert.equal(!!inputHandler2.curAttrData.isUnderline(), true); assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0); @@ -719,372 +731,372 @@ describe('InputHandler', () => { beforeEach(() => { bufferService.resize(10, 10); }); - it('cursor forward (CUF)', () => { - inputHandler.parse('\x1b[C'); + it('cursor forward (CUF)', async () => { + await inputHandler.parseP('\x1b[C'); assert.deepEqual(getCursor(bufferService), [1, 0]); - inputHandler.parse('\x1b[1C'); + await inputHandler.parseP('\x1b[1C'); assert.deepEqual(getCursor(bufferService), [2, 0]); - inputHandler.parse('\x1b[4C'); + await inputHandler.parseP('\x1b[4C'); assert.deepEqual(getCursor(bufferService), [6, 0]); - inputHandler.parse('\x1b[100C'); + await inputHandler.parseP('\x1b[100C'); assert.deepEqual(getCursor(bufferService), [9, 0]); // should not change y bufferService.buffer.x = 8; bufferService.buffer.y = 4; - inputHandler.parse('\x1b[C'); + await inputHandler.parseP('\x1b[C'); assert.deepEqual(getCursor(bufferService), [9, 4]); }); - it('cursor backward (CUB)', () => { - inputHandler.parse('\x1b[D'); + it('cursor backward (CUB)', async () => { + await inputHandler.parseP('\x1b[D'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[1D'); + await inputHandler.parseP('\x1b[1D'); assert.deepEqual(getCursor(bufferService), [0, 0]); // place cursor at end of first line - inputHandler.parse('\x1b[100C'); - inputHandler.parse('\x1b[D'); + await inputHandler.parseP('\x1b[100C'); + await inputHandler.parseP('\x1b[D'); assert.deepEqual(getCursor(bufferService), [8, 0]); - inputHandler.parse('\x1b[1D'); + await inputHandler.parseP('\x1b[1D'); assert.deepEqual(getCursor(bufferService), [7, 0]); - inputHandler.parse('\x1b[4D'); + await inputHandler.parseP('\x1b[4D'); assert.deepEqual(getCursor(bufferService), [3, 0]); - inputHandler.parse('\x1b[100D'); + await inputHandler.parseP('\x1b[100D'); assert.deepEqual(getCursor(bufferService), [0, 0]); // should not change y bufferService.buffer.x = 4; bufferService.buffer.y = 4; - inputHandler.parse('\x1b[D'); + await inputHandler.parseP('\x1b[D'); assert.deepEqual(getCursor(bufferService), [3, 4]); }); - it('cursor down (CUD)', () => { - inputHandler.parse('\x1b[B'); + it('cursor down (CUD)', async () => { + await inputHandler.parseP('\x1b[B'); assert.deepEqual(getCursor(bufferService), [0, 1]); - inputHandler.parse('\x1b[1B'); + await inputHandler.parseP('\x1b[1B'); assert.deepEqual(getCursor(bufferService), [0, 2]); - inputHandler.parse('\x1b[4B'); + await inputHandler.parseP('\x1b[4B'); assert.deepEqual(getCursor(bufferService), [0, 6]); - inputHandler.parse('\x1b[100B'); + await inputHandler.parseP('\x1b[100B'); assert.deepEqual(getCursor(bufferService), [0, 9]); // should not change x bufferService.buffer.x = 8; bufferService.buffer.y = 0; - inputHandler.parse('\x1b[B'); + await inputHandler.parseP('\x1b[B'); assert.deepEqual(getCursor(bufferService), [8, 1]); }); - it('cursor up (CUU)', () => { - inputHandler.parse('\x1b[A'); + it('cursor up (CUU)', async () => { + await inputHandler.parseP('\x1b[A'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[1A'); + await inputHandler.parseP('\x1b[1A'); assert.deepEqual(getCursor(bufferService), [0, 0]); // place cursor at beginning of last row - inputHandler.parse('\x1b[100B'); - inputHandler.parse('\x1b[A'); + await inputHandler.parseP('\x1b[100B'); + await inputHandler.parseP('\x1b[A'); assert.deepEqual(getCursor(bufferService), [0, 8]); - inputHandler.parse('\x1b[1A'); + await inputHandler.parseP('\x1b[1A'); assert.deepEqual(getCursor(bufferService), [0, 7]); - inputHandler.parse('\x1b[4A'); + await inputHandler.parseP('\x1b[4A'); assert.deepEqual(getCursor(bufferService), [0, 3]); - inputHandler.parse('\x1b[100A'); + await inputHandler.parseP('\x1b[100A'); assert.deepEqual(getCursor(bufferService), [0, 0]); // should not change x bufferService.buffer.x = 8; bufferService.buffer.y = 9; - inputHandler.parse('\x1b[A'); + await inputHandler.parseP('\x1b[A'); assert.deepEqual(getCursor(bufferService), [8, 8]); }); - it('cursor next line (CNL)', () => { - inputHandler.parse('\x1b[E'); + it('cursor next line (CNL)', async () => { + await inputHandler.parseP('\x1b[E'); assert.deepEqual(getCursor(bufferService), [0, 1]); - inputHandler.parse('\x1b[1E'); + await inputHandler.parseP('\x1b[1E'); assert.deepEqual(getCursor(bufferService), [0, 2]); - inputHandler.parse('\x1b[4E'); + await inputHandler.parseP('\x1b[4E'); assert.deepEqual(getCursor(bufferService), [0, 6]); - inputHandler.parse('\x1b[100E'); + await inputHandler.parseP('\x1b[100E'); assert.deepEqual(getCursor(bufferService), [0, 9]); // should reset x to zero bufferService.buffer.x = 8; bufferService.buffer.y = 0; - inputHandler.parse('\x1b[E'); + await inputHandler.parseP('\x1b[E'); assert.deepEqual(getCursor(bufferService), [0, 1]); }); - it('cursor previous line (CPL)', () => { - inputHandler.parse('\x1b[F'); + it('cursor previous line (CPL)', async () => { + await inputHandler.parseP('\x1b[F'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[1F'); + await inputHandler.parseP('\x1b[1F'); assert.deepEqual(getCursor(bufferService), [0, 0]); // place cursor at beginning of last row - inputHandler.parse('\x1b[100E'); - inputHandler.parse('\x1b[F'); + await inputHandler.parseP('\x1b[100E'); + await inputHandler.parseP('\x1b[F'); assert.deepEqual(getCursor(bufferService), [0, 8]); - inputHandler.parse('\x1b[1F'); + await inputHandler.parseP('\x1b[1F'); assert.deepEqual(getCursor(bufferService), [0, 7]); - inputHandler.parse('\x1b[4F'); + await inputHandler.parseP('\x1b[4F'); assert.deepEqual(getCursor(bufferService), [0, 3]); - inputHandler.parse('\x1b[100F'); + await inputHandler.parseP('\x1b[100F'); assert.deepEqual(getCursor(bufferService), [0, 0]); // should reset x to zero bufferService.buffer.x = 8; bufferService.buffer.y = 9; - inputHandler.parse('\x1b[F'); + await inputHandler.parseP('\x1b[F'); assert.deepEqual(getCursor(bufferService), [0, 8]); }); - it('cursor character absolute (CHA)', () => { - inputHandler.parse('\x1b[G'); + it('cursor character absolute (CHA)', async () => { + await inputHandler.parseP('\x1b[G'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[1G'); + await inputHandler.parseP('\x1b[1G'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[2G'); + await inputHandler.parseP('\x1b[2G'); assert.deepEqual(getCursor(bufferService), [1, 0]); - inputHandler.parse('\x1b[5G'); + await inputHandler.parseP('\x1b[5G'); assert.deepEqual(getCursor(bufferService), [4, 0]); - inputHandler.parse('\x1b[100G'); + await inputHandler.parseP('\x1b[100G'); assert.deepEqual(getCursor(bufferService), [9, 0]); }); - it('cursor position (CUP)', () => { + it('cursor position (CUP)', async () => { bufferService.buffer.x = 5; bufferService.buffer.y = 5; - inputHandler.parse('\x1b[H'); + await inputHandler.parseP('\x1b[H'); assert.deepEqual(getCursor(bufferService), [0, 0]); bufferService.buffer.x = 5; bufferService.buffer.y = 5; - inputHandler.parse('\x1b[1H'); + await inputHandler.parseP('\x1b[1H'); assert.deepEqual(getCursor(bufferService), [0, 0]); bufferService.buffer.x = 5; bufferService.buffer.y = 5; - inputHandler.parse('\x1b[1;1H'); + await inputHandler.parseP('\x1b[1;1H'); assert.deepEqual(getCursor(bufferService), [0, 0]); bufferService.buffer.x = 5; bufferService.buffer.y = 5; - inputHandler.parse('\x1b[8H'); + await inputHandler.parseP('\x1b[8H'); assert.deepEqual(getCursor(bufferService), [0, 7]); bufferService.buffer.x = 5; bufferService.buffer.y = 5; - inputHandler.parse('\x1b[;8H'); + await inputHandler.parseP('\x1b[;8H'); assert.deepEqual(getCursor(bufferService), [7, 0]); bufferService.buffer.x = 5; bufferService.buffer.y = 5; - inputHandler.parse('\x1b[100;100H'); + await inputHandler.parseP('\x1b[100;100H'); assert.deepEqual(getCursor(bufferService), [9, 9]); }); - it('horizontal position absolute (HPA)', () => { - inputHandler.parse('\x1b[`'); + it('horizontal position absolute (HPA)', async () => { + await inputHandler.parseP('\x1b[`'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[1`'); + await inputHandler.parseP('\x1b[1`'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[2`'); + await inputHandler.parseP('\x1b[2`'); assert.deepEqual(getCursor(bufferService), [1, 0]); - inputHandler.parse('\x1b[5`'); + await inputHandler.parseP('\x1b[5`'); assert.deepEqual(getCursor(bufferService), [4, 0]); - inputHandler.parse('\x1b[100`'); + await inputHandler.parseP('\x1b[100`'); assert.deepEqual(getCursor(bufferService), [9, 0]); }); - it('horizontal position relative (HPR)', () => { - inputHandler.parse('\x1b[a'); + it('horizontal position relative (HPR)', async () => { + await inputHandler.parseP('\x1b[a'); assert.deepEqual(getCursor(bufferService), [1, 0]); - inputHandler.parse('\x1b[1a'); + await inputHandler.parseP('\x1b[1a'); assert.deepEqual(getCursor(bufferService), [2, 0]); - inputHandler.parse('\x1b[4a'); + await inputHandler.parseP('\x1b[4a'); assert.deepEqual(getCursor(bufferService), [6, 0]); - inputHandler.parse('\x1b[100a'); + await inputHandler.parseP('\x1b[100a'); assert.deepEqual(getCursor(bufferService), [9, 0]); // should not change y bufferService.buffer.x = 8; bufferService.buffer.y = 4; - inputHandler.parse('\x1b[a'); + await inputHandler.parseP('\x1b[a'); assert.deepEqual(getCursor(bufferService), [9, 4]); }); - it('vertical position absolute (VPA)', () => { - inputHandler.parse('\x1b[d'); + it('vertical position absolute (VPA)', async () => { + await inputHandler.parseP('\x1b[d'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[1d'); + await inputHandler.parseP('\x1b[1d'); assert.deepEqual(getCursor(bufferService), [0, 0]); - inputHandler.parse('\x1b[2d'); + await inputHandler.parseP('\x1b[2d'); assert.deepEqual(getCursor(bufferService), [0, 1]); - inputHandler.parse('\x1b[5d'); + await inputHandler.parseP('\x1b[5d'); assert.deepEqual(getCursor(bufferService), [0, 4]); - inputHandler.parse('\x1b[100d'); + await inputHandler.parseP('\x1b[100d'); assert.deepEqual(getCursor(bufferService), [0, 9]); // should not change x bufferService.buffer.x = 8; bufferService.buffer.y = 4; - inputHandler.parse('\x1b[d'); + await inputHandler.parseP('\x1b[d'); assert.deepEqual(getCursor(bufferService), [8, 0]); }); - it('vertical position relative (VPR)', () => { - inputHandler.parse('\x1b[e'); + it('vertical position relative (VPR)', async () => { + await inputHandler.parseP('\x1b[e'); assert.deepEqual(getCursor(bufferService), [0, 1]); - inputHandler.parse('\x1b[1e'); + await inputHandler.parseP('\x1b[1e'); assert.deepEqual(getCursor(bufferService), [0, 2]); - inputHandler.parse('\x1b[4e'); + await inputHandler.parseP('\x1b[4e'); assert.deepEqual(getCursor(bufferService), [0, 6]); - inputHandler.parse('\x1b[100e'); + await inputHandler.parseP('\x1b[100e'); assert.deepEqual(getCursor(bufferService), [0, 9]); // should not change x bufferService.buffer.x = 8; bufferService.buffer.y = 4; - inputHandler.parse('\x1b[e'); + await inputHandler.parseP('\x1b[e'); assert.deepEqual(getCursor(bufferService), [8, 5]); }); describe('should clamp cursor into addressible range', () => { - it('CUF', () => { + it('CUF', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[C'); + await inputHandler.parseP('\x1b[C'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[C'); + await inputHandler.parseP('\x1b[C'); assert.deepEqual(getCursor(bufferService), [1, 0]); }); - it('CUB', () => { + it('CUB', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[D'); + await inputHandler.parseP('\x1b[D'); assert.deepEqual(getCursor(bufferService), [8, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[D'); + await inputHandler.parseP('\x1b[D'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); - it('CUD', () => { + it('CUD', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[B'); + await inputHandler.parseP('\x1b[B'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[B'); + await inputHandler.parseP('\x1b[B'); assert.deepEqual(getCursor(bufferService), [0, 1]); }); - it('CUU', () => { + it('CUU', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[A'); + await inputHandler.parseP('\x1b[A'); assert.deepEqual(getCursor(bufferService), [9, 8]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[A'); + await inputHandler.parseP('\x1b[A'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); - it('CNL', () => { + it('CNL', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[E'); + await inputHandler.parseP('\x1b[E'); assert.deepEqual(getCursor(bufferService), [0, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[E'); + await inputHandler.parseP('\x1b[E'); assert.deepEqual(getCursor(bufferService), [0, 1]); }); - it('CPL', () => { + it('CPL', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[F'); + await inputHandler.parseP('\x1b[F'); assert.deepEqual(getCursor(bufferService), [0, 8]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[F'); + await inputHandler.parseP('\x1b[F'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); - it('CHA', () => { + it('CHA', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[5G'); + await inputHandler.parseP('\x1b[5G'); assert.deepEqual(getCursor(bufferService), [4, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[5G'); + await inputHandler.parseP('\x1b[5G'); assert.deepEqual(getCursor(bufferService), [4, 0]); }); - it('CUP', () => { + it('CUP', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[5;5H'); + await inputHandler.parseP('\x1b[5;5H'); assert.deepEqual(getCursor(bufferService), [4, 4]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[5;5H'); + await inputHandler.parseP('\x1b[5;5H'); assert.deepEqual(getCursor(bufferService), [4, 4]); }); - it('HPA', () => { + it('HPA', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[5`'); + await inputHandler.parseP('\x1b[5`'); assert.deepEqual(getCursor(bufferService), [4, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[5`'); + await inputHandler.parseP('\x1b[5`'); assert.deepEqual(getCursor(bufferService), [4, 0]); }); - it('HPR', () => { + it('HPR', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[a'); + await inputHandler.parseP('\x1b[a'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[a'); + await inputHandler.parseP('\x1b[a'); assert.deepEqual(getCursor(bufferService), [1, 0]); }); - it('VPA', () => { + it('VPA', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[5d'); + await inputHandler.parseP('\x1b[5d'); assert.deepEqual(getCursor(bufferService), [9, 4]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[5d'); + await inputHandler.parseP('\x1b[5d'); assert.deepEqual(getCursor(bufferService), [0, 4]); }); - it('VPR', () => { + it('VPR', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[e'); + await inputHandler.parseP('\x1b[e'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[e'); + await inputHandler.parseP('\x1b[e'); assert.deepEqual(getCursor(bufferService), [0, 1]); }); - it('DCH', () => { + it('DCH', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[P'); + await inputHandler.parseP('\x1b[P'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[P'); + await inputHandler.parseP('\x1b[P'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); - it('DCH - should delete last cell', () => { - inputHandler.parse('0123456789\x1b[P'); + it('DCH - should delete last cell', async () => { + await inputHandler.parseP('0123456789\x1b[P'); assert.equal(bufferService.buffer.lines.get(0)!.translateToString(false), '012345678 '); }); - it('ECH', () => { + it('ECH', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[X'); + await inputHandler.parseP('\x1b[X'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[X'); + await inputHandler.parseP('\x1b[X'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); - it('ECH - should delete last cell', () => { - inputHandler.parse('0123456789\x1b[X'); + it('ECH - should delete last cell', async () => { + await inputHandler.parseP('0123456789\x1b[X'); assert.equal(bufferService.buffer.lines.get(0)!.translateToString(false), '012345678 '); }); - it('ICH', () => { + it('ICH', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[@'); + await inputHandler.parseP('\x1b[@'); assert.deepEqual(getCursor(bufferService), [9, 9]); bufferService.buffer.x = -10000; bufferService.buffer.y = -10000; - inputHandler.parse('\x1b[@'); + await inputHandler.parseP('\x1b[@'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); - it('ICH - should delete last cell', () => { - inputHandler.parse('0123456789\x1b[@'); + it('ICH - should delete last cell', async () => { + await inputHandler.parseP('0123456789\x1b[@'); assert.equal(bufferService.buffer.lines.get(0)!.translateToString(false), '012345678 '); }); }); @@ -1093,31 +1105,31 @@ describe('InputHandler', () => { beforeEach(() => { bufferService.resize(10, 10); }); - it('should default to whole viewport', () => { - inputHandler.parse('\x1b[r'); + it('should default to whole viewport', async () => { + await inputHandler.parseP('\x1b[r'); assert.equal(bufferService.buffer.scrollTop, 0); assert.equal(bufferService.buffer.scrollBottom, 9); - inputHandler.parse('\x1b[3;7r'); + await inputHandler.parseP('\x1b[3;7r'); assert.equal(bufferService.buffer.scrollTop, 2); assert.equal(bufferService.buffer.scrollBottom, 6); - inputHandler.parse('\x1b[0;0r'); + await inputHandler.parseP('\x1b[0;0r'); assert.equal(bufferService.buffer.scrollTop, 0); assert.equal(bufferService.buffer.scrollBottom, 9); }); - it('should clamp bottom', () => { - inputHandler.parse('\x1b[3;1000r'); + it('should clamp bottom', async () => { + await inputHandler.parseP('\x1b[3;1000r'); assert.equal(bufferService.buffer.scrollTop, 2); assert.equal(bufferService.buffer.scrollBottom, 9); }); - it('should only apply for top < bottom', () => { - inputHandler.parse('\x1b[7;2r'); + it('should only apply for top < bottom', async () => { + await inputHandler.parseP('\x1b[7;2r'); assert.equal(bufferService.buffer.scrollTop, 0); assert.equal(bufferService.buffer.scrollBottom, 9); }); - it('should home cursor', () => { + it('should home cursor', async () => { bufferService.buffer.x = 10000; bufferService.buffer.y = 10000; - inputHandler.parse('\x1b[2;7r'); + await inputHandler.parseP('\x1b[2;7r'); assert.deepEqual(getCursor(bufferService), [0, 0]); }); }); @@ -1125,76 +1137,76 @@ describe('InputHandler', () => { beforeEach(() => { bufferService.resize(10, 10); }); - it('scrollUp', () => { - inputHandler.parse('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[2;4r\x1b[2Sm'); + it('scrollUp', async () => { + await inputHandler.parseP('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[2;4r\x1b[2Sm'); assert.deepEqual(getLines(bufferService), ['m', '3', '', '', '4', '5', '6', '7', '8', '9']); }); - it('scrollDown', () => { - inputHandler.parse('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[2;4r\x1b[2Tm'); + it('scrollDown', async () => { + await inputHandler.parseP('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[2;4r\x1b[2Tm'); assert.deepEqual(getLines(bufferService), ['m', '', '', '1', '4', '5', '6', '7', '8', '9']); }); - it('insertLines - out of margins', () => { - inputHandler.parse('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); + it('insertLines - out of margins', async () => { + await inputHandler.parseP('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); assert.equal(bufferService.buffer.scrollTop, 2); assert.equal(bufferService.buffer.scrollBottom, 5); - inputHandler.parse('\x1b[2Lm'); + await inputHandler.parseP('\x1b[2Lm'); assert.deepEqual(getLines(bufferService), ['m', '1', '2', '3', '4', '5', '6', '7', '8', '9']); - inputHandler.parse('\x1b[2H\x1b[2Ln'); + await inputHandler.parseP('\x1b[2H\x1b[2Ln'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', '6', '7', '8', '9']); // skip below scrollbottom - inputHandler.parse('\x1b[7H\x1b[2Lo'); + await inputHandler.parseP('\x1b[7H\x1b[2Lo'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', 'o', '7', '8', '9']); - inputHandler.parse('\x1b[8H\x1b[2Lp'); + await inputHandler.parseP('\x1b[8H\x1b[2Lp'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', 'o', 'p', '8', '9']); - inputHandler.parse('\x1b[100H\x1b[2Lq'); + await inputHandler.parseP('\x1b[100H\x1b[2Lq'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', 'o', 'p', '8', 'q']); }); - it('insertLines - within margins', () => { - inputHandler.parse('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); + it('insertLines - within margins', async () => { + await inputHandler.parseP('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); assert.equal(bufferService.buffer.scrollTop, 2); assert.equal(bufferService.buffer.scrollBottom, 5); - inputHandler.parse('\x1b[3H\x1b[2Lm'); + await inputHandler.parseP('\x1b[3H\x1b[2Lm'); assert.deepEqual(getLines(bufferService), ['0', '1', 'm', '', '2', '3', '6', '7', '8', '9']); - inputHandler.parse('\x1b[6H\x1b[2Ln'); + await inputHandler.parseP('\x1b[6H\x1b[2Ln'); assert.deepEqual(getLines(bufferService), ['0', '1', 'm', '', '2', 'n', '6', '7', '8', '9']); }); - it('deleteLines - out of margins', () => { - inputHandler.parse('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); + it('deleteLines - out of margins', async () => { + await inputHandler.parseP('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); assert.equal(bufferService.buffer.scrollTop, 2); assert.equal(bufferService.buffer.scrollBottom, 5); - inputHandler.parse('\x1b[2Mm'); + await inputHandler.parseP('\x1b[2Mm'); assert.deepEqual(getLines(bufferService), ['m', '1', '2', '3', '4', '5', '6', '7', '8', '9']); - inputHandler.parse('\x1b[2H\x1b[2Mn'); + await inputHandler.parseP('\x1b[2H\x1b[2Mn'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', '6', '7', '8', '9']); // skip below scrollbottom - inputHandler.parse('\x1b[7H\x1b[2Mo'); + await inputHandler.parseP('\x1b[7H\x1b[2Mo'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', 'o', '7', '8', '9']); - inputHandler.parse('\x1b[8H\x1b[2Mp'); + await inputHandler.parseP('\x1b[8H\x1b[2Mp'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', 'o', 'p', '8', '9']); - inputHandler.parse('\x1b[100H\x1b[2Mq'); + await inputHandler.parseP('\x1b[100H\x1b[2Mq'); assert.deepEqual(getLines(bufferService), ['m', 'n', '2', '3', '4', '5', 'o', 'p', '8', 'q']); }); - it('deleteLines - within margins', () => { - inputHandler.parse('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); + it('deleteLines - within margins', async () => { + await inputHandler.parseP('0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\x1b[3;6r'); assert.equal(bufferService.buffer.scrollTop, 2); assert.equal(bufferService.buffer.scrollBottom, 5); - inputHandler.parse('\x1b[6H\x1b[2Mm'); + await inputHandler.parseP('\x1b[6H\x1b[2Mm'); assert.deepEqual(getLines(bufferService), ['0', '1', '2', '3', '4', 'm', '6', '7', '8', '9']); - inputHandler.parse('\x1b[3H\x1b[2Mn'); + await inputHandler.parseP('\x1b[3H\x1b[2Mn'); assert.deepEqual(getLines(bufferService), ['0', '1', 'n', 'm', '', '', '6', '7', '8', '9']); }); }); - it('should parse big chunks in smaller subchunks', () => { + it('should parse big chunks in smaller subchunks', async () => { // max single chunk size is hardcoded as 131072 const calls: any[] = []; bufferService.resize(10, 10); (inputHandler as any)._parser.parse = (data: Uint32Array, length: number) => { calls.push([data.length, length]); }; - inputHandler.parse('12345'); - inputHandler.parse('a'.repeat(10000)); - inputHandler.parse('a'.repeat(200000)); - inputHandler.parse('a'.repeat(300000)); + await inputHandler.parseP('12345'); + await inputHandler.parseP('a'.repeat(10000)); + await inputHandler.parseP('a'.repeat(200000)); + await inputHandler.parseP('a'.repeat(300000)); assert.deepEqual(calls, [ [4096, 5], [10000, 10000], @@ -1203,187 +1215,187 @@ describe('InputHandler', () => { ]); }); describe('windowOptions', () => { - it('all should be disabled by default and not report', () => { + it('all should be disabled by default and not report', async () => { bufferService.resize(10, 10); const stack: string[] = []; coreService.onData(data => stack.push(data)); - inputHandler.parse('\x1b[14t'); - inputHandler.parse('\x1b[16t'); - inputHandler.parse('\x1b[18t'); - inputHandler.parse('\x1b[20t'); - inputHandler.parse('\x1b[21t'); + await inputHandler.parseP('\x1b[14t'); + await inputHandler.parseP('\x1b[16t'); + await inputHandler.parseP('\x1b[18t'); + await inputHandler.parseP('\x1b[20t'); + await inputHandler.parseP('\x1b[21t'); assert.deepEqual(stack, []); }); - it('14 - GetWinSizePixels', () => { + it('14 - GetWinSizePixels', async () => { bufferService.resize(10, 10); optionsService.options.windowOptions.getWinSizePixels = true; const stack: string[] = []; coreService.onData(data => stack.push(data)); - inputHandler.parse('\x1b[14t'); + await inputHandler.parseP('\x1b[14t'); // does not report in test terminal due to missing renderer assert.deepEqual(stack, []); }); - it('16 - GetCellSizePixels', () => { + it('16 - GetCellSizePixels', async () => { bufferService.resize(10, 10); optionsService.options.windowOptions.getCellSizePixels = true; const stack: string[] = []; coreService.onData(data => stack.push(data)); - inputHandler.parse('\x1b[16t'); + await inputHandler.parseP('\x1b[16t'); // does not report in test terminal due to missing renderer assert.deepEqual(stack, []); }); - it('18 - GetWinSizeChars', () => { + it('18 - GetWinSizeChars', async () => { bufferService.resize(10, 10); optionsService.options.windowOptions.getWinSizeChars = true; const stack: string[] = []; coreService.onData(data => stack.push(data)); - inputHandler.parse('\x1b[18t'); + await inputHandler.parseP('\x1b[18t'); assert.deepEqual(stack, ['\x1b[8;10;10t']); bufferService.resize(50, 20); - inputHandler.parse('\x1b[18t'); + await inputHandler.parseP('\x1b[18t'); assert.deepEqual(stack, ['\x1b[8;10;10t', '\x1b[8;20;50t']); }); - it('22/23 - PushTitle/PopTitle', () => { + it('22/23 - PushTitle/PopTitle', async () => { bufferService.resize(10, 10); optionsService.options.windowOptions.pushTitle = true; optionsService.options.windowOptions.popTitle = true; const stack: string[] = []; inputHandler.onTitleChange(data => stack.push(data)); - inputHandler.parse('\x1b]0;1\x07'); - inputHandler.parse('\x1b[22t'); - inputHandler.parse('\x1b]0;2\x07'); - inputHandler.parse('\x1b[22t'); - inputHandler.parse('\x1b]0;3\x07'); - inputHandler.parse('\x1b[22t'); + await inputHandler.parseP('\x1b]0;1\x07'); + await inputHandler.parseP('\x1b[22t'); + await inputHandler.parseP('\x1b]0;2\x07'); + await inputHandler.parseP('\x1b[22t'); + await inputHandler.parseP('\x1b]0;3\x07'); + await inputHandler.parseP('\x1b[22t'); assert.deepEqual(inputHandler.windowTitleStack, ['1', '2', '3']); assert.deepEqual(inputHandler.iconNameStack, ['1', '2', '3']); assert.deepEqual(stack, ['1', '2', '3']); - inputHandler.parse('\x1b[23t'); - inputHandler.parse('\x1b[23t'); - inputHandler.parse('\x1b[23t'); - inputHandler.parse('\x1b[23t'); // one more to test "overflow" + await inputHandler.parseP('\x1b[23t'); + await inputHandler.parseP('\x1b[23t'); + await inputHandler.parseP('\x1b[23t'); + await inputHandler.parseP('\x1b[23t'); // one more to test "overflow" assert.deepEqual(inputHandler.windowTitleStack, []); assert.deepEqual(inputHandler.iconNameStack, []); assert.deepEqual(stack, ['1', '2', '3', '3', '2', '1']); }); - it('22/23 - PushTitle/PopTitle with ;1', () => { + it('22/23 - PushTitle/PopTitle with ;1', async () => { bufferService.resize(10, 10); optionsService.options.windowOptions.pushTitle = true; optionsService.options.windowOptions.popTitle = true; const stack: string[] = []; inputHandler.onTitleChange(data => stack.push(data)); - inputHandler.parse('\x1b]0;1\x07'); - inputHandler.parse('\x1b[22;1t'); - inputHandler.parse('\x1b]0;2\x07'); - inputHandler.parse('\x1b[22;1t'); - inputHandler.parse('\x1b]0;3\x07'); - inputHandler.parse('\x1b[22;1t'); + await inputHandler.parseP('\x1b]0;1\x07'); + await inputHandler.parseP('\x1b[22;1t'); + await inputHandler.parseP('\x1b]0;2\x07'); + await inputHandler.parseP('\x1b[22;1t'); + await inputHandler.parseP('\x1b]0;3\x07'); + await inputHandler.parseP('\x1b[22;1t'); assert.deepEqual(inputHandler.windowTitleStack, []); assert.deepEqual(inputHandler.iconNameStack, ['1', '2', '3']); assert.deepEqual(stack, ['1', '2', '3']); - inputHandler.parse('\x1b[23;1t'); - inputHandler.parse('\x1b[23;1t'); - inputHandler.parse('\x1b[23;1t'); - inputHandler.parse('\x1b[23;1t'); // one more to test "overflow" + await inputHandler.parseP('\x1b[23;1t'); + await inputHandler.parseP('\x1b[23;1t'); + await inputHandler.parseP('\x1b[23;1t'); + await inputHandler.parseP('\x1b[23;1t'); // one more to test "overflow" assert.deepEqual(inputHandler.windowTitleStack, []); assert.deepEqual(inputHandler.iconNameStack, []); assert.deepEqual(stack, ['1', '2', '3']); }); - it('22/23 - PushTitle/PopTitle with ;2', () => { + it('22/23 - PushTitle/PopTitle with ;2', async () => { bufferService.resize(10, 10); optionsService.options.windowOptions.pushTitle = true; optionsService.options.windowOptions.popTitle = true; const stack: string[] = []; inputHandler.onTitleChange(data => stack.push(data)); - inputHandler.parse('\x1b]0;1\x07'); - inputHandler.parse('\x1b[22;2t'); - inputHandler.parse('\x1b]0;2\x07'); - inputHandler.parse('\x1b[22;2t'); - inputHandler.parse('\x1b]0;3\x07'); - inputHandler.parse('\x1b[22;2t'); + await inputHandler.parseP('\x1b]0;1\x07'); + await inputHandler.parseP('\x1b[22;2t'); + await inputHandler.parseP('\x1b]0;2\x07'); + await inputHandler.parseP('\x1b[22;2t'); + await inputHandler.parseP('\x1b]0;3\x07'); + await inputHandler.parseP('\x1b[22;2t'); assert.deepEqual(inputHandler.windowTitleStack, ['1', '2', '3']); assert.deepEqual(inputHandler.iconNameStack, []); assert.deepEqual(stack, ['1', '2', '3']); - inputHandler.parse('\x1b[23;2t'); - inputHandler.parse('\x1b[23;2t'); - inputHandler.parse('\x1b[23;2t'); - inputHandler.parse('\x1b[23;2t'); // one more to test "overflow" + await inputHandler.parseP('\x1b[23;2t'); + await inputHandler.parseP('\x1b[23;2t'); + await inputHandler.parseP('\x1b[23;2t'); + await inputHandler.parseP('\x1b[23;2t'); // one more to test "overflow" assert.deepEqual(inputHandler.windowTitleStack, []); assert.deepEqual(inputHandler.iconNameStack, []); assert.deepEqual(stack, ['1', '2', '3', '3', '2', '1']); }); - it('DECCOLM - should only work with "SetWinLines" (24) enabled', () => { + it('DECCOLM - should only work with "SetWinLines" (24) enabled', async () => { // disabled bufferService.resize(10, 10); - inputHandler.parse('\x1b[?3l'); + await inputHandler.parseP('\x1b[?3l'); assert.equal(bufferService.cols, 10); - inputHandler.parse('\x1b[?3h'); + await inputHandler.parseP('\x1b[?3h'); assert.equal(bufferService.cols, 10); // enabled inputHandler.reset(); optionsService.options.windowOptions.setWinLines = true; - inputHandler.parse('\x1b[?3l'); + await inputHandler.parseP('\x1b[?3l'); assert.equal(bufferService.cols, 80); - inputHandler.parse('\x1b[?3h'); + await inputHandler.parseP('\x1b[?3h'); assert.equal(bufferService.cols, 132); }); }); describe('should correctly reset cells taken by wide chars', () => { - beforeEach(() => { + beforeEach(async () => { bufferService.resize(10, 5); optionsService.options.scrollback = 1; - inputHandler.parse('¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥'); + await inputHandler.parseP('¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥'); }); - it('print', () => { - inputHandler.parse('\x1b[H#'); + it('print', async () => { + await inputHandler.parseP('\x1b[H#'); assert.deepEqual(getLines(bufferService), ['# ¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[1;6H######'); + await inputHandler.parseP('\x1b[1;6H######'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '# ¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('#'); + await inputHandler.parseP('#'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '##¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('#'); + await inputHandler.parseP('#'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '### ¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[3;9H#'); + await inputHandler.parseP('\x1b[3;9H#'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '### ¥¥¥', '¥¥¥¥#', '¥¥¥¥¥', '']); - inputHandler.parse('#'); + await inputHandler.parseP('#'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '### ¥¥¥', '¥¥¥¥##', '¥¥¥¥¥', '']); - inputHandler.parse('#'); + await inputHandler.parseP('#'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '### ¥¥¥', '¥¥¥¥##', '# ¥¥¥¥', '']); - inputHandler.parse('\x1b[4;10H#'); + await inputHandler.parseP('\x1b[4;10H#'); assert.deepEqual(getLines(bufferService), ['# ¥ #####', '### ¥¥¥', '¥¥¥¥##', '# ¥¥¥ #', '']); }); - it('EL', () => { - inputHandler.parse('\x1b[1;6H\x1b[K#'); + it('EL', async () => { + await inputHandler.parseP('\x1b[1;6H\x1b[K#'); assert.deepEqual(getLines(bufferService), ['¥¥ #', '¥¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[2;5H\x1b[1K'); + await inputHandler.parseP('\x1b[2;5H\x1b[1K'); assert.deepEqual(getLines(bufferService), ['¥¥ #', ' ¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[3;6H\x1b[1K'); + await inputHandler.parseP('\x1b[3;6H\x1b[1K'); assert.deepEqual(getLines(bufferService), ['¥¥ #', ' ¥¥', ' ¥¥', '¥¥¥¥¥', '']); }); - it('ICH', () => { - inputHandler.parse('\x1b[1;6H\x1b[@'); + it('ICH', async () => { + await inputHandler.parseP('\x1b[1;6H\x1b[@'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥', '¥¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[2;4H\x1b[2@'); + await inputHandler.parseP('\x1b[2;4H\x1b[2@'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥', '¥ ¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[3;4H\x1b[3@'); + await inputHandler.parseP('\x1b[3;4H\x1b[3@'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥', '¥ ¥¥', '¥ ¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[4;4H\x1b[4@'); + await inputHandler.parseP('\x1b[4;4H\x1b[4@'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥', '¥ ¥¥', '¥ ¥', '¥ ¥', '']); }); - it('DCH', () => { - inputHandler.parse('\x1b[1;6H\x1b[P'); + it('DCH', async () => { + await inputHandler.parseP('\x1b[1;6H\x1b[P'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[2;6H\x1b[2P'); + await inputHandler.parseP('\x1b[2;6H\x1b[2P'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥¥', '¥¥ ¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[3;6H\x1b[3P'); + await inputHandler.parseP('\x1b[3;6H\x1b[3P'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥¥', '¥¥ ¥', '¥¥ ¥', '¥¥¥¥¥', '']); }); - it('ECH', () => { - inputHandler.parse('\x1b[1;6H\x1b[X'); + it('ECH', async () => { + await inputHandler.parseP('\x1b[1;6H\x1b[X'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[2;6H\x1b[2X'); + await inputHandler.parseP('\x1b[2;6H\x1b[2X'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥¥', '¥¥ ¥', '¥¥¥¥¥', '¥¥¥¥¥', '']); - inputHandler.parse('\x1b[3;6H\x1b[3X'); + await inputHandler.parseP('\x1b[3;6H\x1b[3X'); assert.deepEqual(getLines(bufferService), ['¥¥ ¥¥', '¥¥ ¥', '¥¥ ¥', '¥¥¥¥¥', '']); }); }); @@ -1395,74 +1407,74 @@ describe('InputHandler', () => { optionsService.options.scrollback = 1; }); describe('reverseWraparound unset (default)', () => { - it('cannot delete last cell', () => { - inputHandler.parse('12345'); - inputHandler.parse(ttyBS); + it('cannot delete last cell', async () => { + await inputHandler.parseP('12345'); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 1), ['123 5']); - inputHandler.parse(ttyBS.repeat(10)); + await inputHandler.parseP(ttyBS.repeat(10)); assert.deepEqual(getLines(bufferService, 1), [' 5']); }); - it('cannot access prev line', () => { - inputHandler.parse('12345'.repeat(2)); - inputHandler.parse(ttyBS); + it('cannot access prev line', async () => { + await inputHandler.parseP('12345'.repeat(2)); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), ['12345', '123 5']); - inputHandler.parse(ttyBS.repeat(10)); + await inputHandler.parseP(ttyBS.repeat(10)); assert.deepEqual(getLines(bufferService, 2), ['12345', ' 5']); }); }); describe('reverseWraparound set', () => { - it('can delete last cell', () => { - inputHandler.parse('\x1b[?45h'); - inputHandler.parse('12345'); - inputHandler.parse(ttyBS); + it('can delete last cell', async () => { + await inputHandler.parseP('\x1b[?45h'); + await inputHandler.parseP('12345'); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 1), ['1234 ']); - inputHandler.parse(ttyBS.repeat(7)); + await inputHandler.parseP(ttyBS.repeat(7)); assert.deepEqual(getLines(bufferService, 1), [' ']); }); - it('can access prev line if wrapped', () => { - inputHandler.parse('\x1b[?45h'); - inputHandler.parse('12345'.repeat(2)); - inputHandler.parse(ttyBS); + it('can access prev line if wrapped', async () => { + await inputHandler.parseP('\x1b[?45h'); + await inputHandler.parseP('12345'.repeat(2)); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), ['12345', '1234 ']); - inputHandler.parse(ttyBS.repeat(7)); + await inputHandler.parseP(ttyBS.repeat(7)); assert.deepEqual(getLines(bufferService, 2), ['12 ', ' ']); }); - it('should lift isWrapped', () => { - inputHandler.parse('\x1b[?45h'); - inputHandler.parse('12345'.repeat(2)); + it('should lift isWrapped', async () => { + await inputHandler.parseP('\x1b[?45h'); + await inputHandler.parseP('12345'.repeat(2)); assert.equal(bufferService.buffer.lines.get(1)?.isWrapped, true); - inputHandler.parse(ttyBS.repeat(7)); + await inputHandler.parseP(ttyBS.repeat(7)); assert.equal(bufferService.buffer.lines.get(1)?.isWrapped, false); }); - it('stops at hard NLs', () => { - inputHandler.parse('\x1b[?45h'); - inputHandler.parse('12345\r\n'); - inputHandler.parse('12345'.repeat(2)); - inputHandler.parse(ttyBS.repeat(50)); + it('stops at hard NLs', async () => { + await inputHandler.parseP('\x1b[?45h'); + await inputHandler.parseP('12345\r\n'); + await inputHandler.parseP('12345'.repeat(2)); + await inputHandler.parseP(ttyBS.repeat(50)); assert.deepEqual(getLines(bufferService, 3), ['12345', ' ', ' ']); assert.equal(bufferService.buffer.x, 0); assert.equal(bufferService.buffer.y, 1); }); - it('handles wide chars correctly', () => { - inputHandler.parse('\x1b[?45h'); - inputHandler.parse('¥¥¥'); + it('handles wide chars correctly', async () => { + await inputHandler.parseP('\x1b[?45h'); + await inputHandler.parseP('¥¥¥'); assert.deepEqual(getLines(bufferService, 2), ['¥¥', '¥']); - inputHandler.parse(ttyBS); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), ['¥¥', ' ']); assert.equal(bufferService.buffer.x, 1); - inputHandler.parse(ttyBS); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), ['¥¥', ' ']); assert.equal(bufferService.buffer.x, 0); - inputHandler.parse(ttyBS); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), ['¥ ', ' ']); assert.equal(bufferService.buffer.x, 3); // x=4 skipped due to early wrap-around - inputHandler.parse(ttyBS); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), ['¥ ', ' ']); assert.equal(bufferService.buffer.x, 2); - inputHandler.parse(ttyBS); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), [' ', ' ']); assert.equal(bufferService.buffer.x, 1); - inputHandler.parse(ttyBS); + await inputHandler.parseP(ttyBS); assert.deepEqual(getLines(bufferService, 2), [' ', ' ']); assert.equal(bufferService.buffer.x, 0); }); @@ -1473,72 +1485,72 @@ describe('InputHandler', () => { beforeEach(() => { bufferService.resize(10, 5); }); - it('4 | 24', () => { - inputHandler.parse('\x1b[4m'); + it('4 | 24', async () => { + await inputHandler.parseP('\x1b[4m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.SINGLE); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('21 | 24', () => { - inputHandler.parse('\x1b[21m'); + it('21 | 24', async () => { + await inputHandler.parseP('\x1b[21m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DOUBLE); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('4:1 | 4:0', () => { - inputHandler.parse('\x1b[4:1m'); + it('4:1 | 4:0', async () => { + await inputHandler.parseP('\x1b[4:1m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.SINGLE); - inputHandler.parse('\x1b[4:0m'); + await inputHandler.parseP('\x1b[4:0m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); - inputHandler.parse('\x1b[4:1m'); + await inputHandler.parseP('\x1b[4:1m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.SINGLE); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('4:2 | 4:0', () => { - inputHandler.parse('\x1b[4:2m'); + it('4:2 | 4:0', async () => { + await inputHandler.parseP('\x1b[4:2m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DOUBLE); - inputHandler.parse('\x1b[4:0m'); + await inputHandler.parseP('\x1b[4:0m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); - inputHandler.parse('\x1b[4:2m'); + await inputHandler.parseP('\x1b[4:2m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DOUBLE); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('4:3 | 4:0', () => { - inputHandler.parse('\x1b[4:3m'); + it('4:3 | 4:0', async () => { + await inputHandler.parseP('\x1b[4:3m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.CURLY); - inputHandler.parse('\x1b[4:0m'); + await inputHandler.parseP('\x1b[4:0m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); - inputHandler.parse('\x1b[4:3m'); + await inputHandler.parseP('\x1b[4:3m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.CURLY); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('4:4 | 4:0', () => { - inputHandler.parse('\x1b[4:4m'); + it('4:4 | 4:0', async () => { + await inputHandler.parseP('\x1b[4:4m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DOTTED); - inputHandler.parse('\x1b[4:0m'); + await inputHandler.parseP('\x1b[4:0m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); - inputHandler.parse('\x1b[4:4m'); + await inputHandler.parseP('\x1b[4:4m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DOTTED); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('4:5 | 4:0', () => { - inputHandler.parse('\x1b[4:5m'); + it('4:5 | 4:0', async () => { + await inputHandler.parseP('\x1b[4:5m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DASHED); - inputHandler.parse('\x1b[4:0m'); + await inputHandler.parseP('\x1b[4:0m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); - inputHandler.parse('\x1b[4:5m'); + await inputHandler.parseP('\x1b[4:5m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DASHED); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('\x1b[24m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.NONE); }); - it('4:x --> 4 should revert to single underline', () => { - inputHandler.parse('\x1b[4:5m'); + it('4:x --> 4 should revert to single underline', async () => { + await inputHandler.parseP('\x1b[4:5m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.DASHED); - inputHandler.parse('\x1b[4m'); + await inputHandler.parseP('\x1b[4m'); assert.equal(inputHandler.curAttrData.getUnderlineStyle(), UnderlineStyle.SINGLE); }); }); @@ -1546,9 +1558,9 @@ describe('InputHandler', () => { beforeEach(() => { bufferService.resize(10, 5); }); - it('defaults to FG color', () => { + it('defaults to FG color', async () => { for (const s of ['', '\x1b[30m', '\x1b[38;510m', '\x1b[38;2;1;2;3m']) { - inputHandler.parse(s); + await inputHandler.parseP(s); assert.equal(inputHandler.curAttrData.getUnderlineColor(), inputHandler.curAttrData.getFgColor()); assert.equal(inputHandler.curAttrData.getUnderlineColorMode(), inputHandler.curAttrData.getFgColorMode()); assert.equal(inputHandler.curAttrData.isUnderlineColorRGB(), inputHandler.curAttrData.isFgRGB()); @@ -1556,31 +1568,31 @@ describe('InputHandler', () => { assert.equal(inputHandler.curAttrData.isUnderlineColorDefault(), inputHandler.curAttrData.isFgDefault()); } }); - it('correctly sets P256/RGB colors', () => { - inputHandler.parse('\x1b[4m'); - inputHandler.parse('\x1b[58;5;123m'); + it('correctly sets P256/RGB colors', async () => { + await inputHandler.parseP('\x1b[4m'); + await inputHandler.parseP('\x1b[58;5;123m'); assert.equal(inputHandler.curAttrData.getUnderlineColor(), 123); assert.equal(inputHandler.curAttrData.getUnderlineColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.isUnderlineColorRGB(), false); assert.equal(inputHandler.curAttrData.isUnderlineColorPalette(), true); assert.equal(inputHandler.curAttrData.isUnderlineColorDefault(), false); - inputHandler.parse('\x1b[58;2::1:2:3m'); + await inputHandler.parseP('\x1b[58;2::1:2:3m'); assert.equal(inputHandler.curAttrData.getUnderlineColor(), (1 << 16) | (2 << 8) | 3); assert.equal(inputHandler.curAttrData.getUnderlineColorMode(), Attributes.CM_RGB); assert.equal(inputHandler.curAttrData.isUnderlineColorRGB(), true); assert.equal(inputHandler.curAttrData.isUnderlineColorPalette(), false); assert.equal(inputHandler.curAttrData.isUnderlineColorDefault(), false); }); - it('P256/RGB persistence', () => { + it('P256/RGB persistence', async () => { const cell = new CellData(); - inputHandler.parse('\x1b[4m'); - inputHandler.parse('\x1b[58;5;123m'); + await inputHandler.parseP('\x1b[4m'); + await inputHandler.parseP('\x1b[58;5;123m'); assert.equal(inputHandler.curAttrData.getUnderlineColor(), 123); assert.equal(inputHandler.curAttrData.getUnderlineColorMode(), Attributes.CM_P256); assert.equal(inputHandler.curAttrData.isUnderlineColorRGB(), false); assert.equal(inputHandler.curAttrData.isUnderlineColorPalette(), true); assert.equal(inputHandler.curAttrData.isUnderlineColorDefault(), false); - inputHandler.parse('ab'); + await inputHandler.parseP('ab'); bufferService.buffer!.lines.get(0)!.loadCell(1, cell); assert.equal(cell.getUnderlineColor(), 123); assert.equal(cell.getUnderlineColorMode(), Attributes.CM_P256); @@ -1588,13 +1600,13 @@ describe('InputHandler', () => { assert.equal(cell.isUnderlineColorPalette(), true); assert.equal(cell.isUnderlineColorDefault(), false); - inputHandler.parse('\x1b[4:0m'); + await inputHandler.parseP('\x1b[4:0m'); assert.equal(inputHandler.curAttrData.getUnderlineColor(), inputHandler.curAttrData.getFgColor()); assert.equal(inputHandler.curAttrData.getUnderlineColorMode(), inputHandler.curAttrData.getFgColorMode()); assert.equal(inputHandler.curAttrData.isUnderlineColorRGB(), inputHandler.curAttrData.isFgRGB()); assert.equal(inputHandler.curAttrData.isUnderlineColorPalette(), inputHandler.curAttrData.isFgPalette()); assert.equal(inputHandler.curAttrData.isUnderlineColorDefault(), inputHandler.curAttrData.isFgDefault()); - inputHandler.parse('a'); + await inputHandler.parseP('a'); bufferService.buffer!.lines.get(0)!.loadCell(1, cell); assert.equal(cell.getUnderlineColor(), 123); assert.equal(cell.getUnderlineColorMode(), Attributes.CM_P256); @@ -1608,15 +1620,15 @@ describe('InputHandler', () => { assert.equal(cell.isUnderlineColorPalette(), inputHandler.curAttrData.isFgPalette()); assert.equal(cell.isUnderlineColorDefault(), inputHandler.curAttrData.isFgDefault()); - inputHandler.parse('\x1b[4m'); - inputHandler.parse('\x1b[58;2::1:2:3m'); + await inputHandler.parseP('\x1b[4m'); + await inputHandler.parseP('\x1b[58;2::1:2:3m'); assert.equal(inputHandler.curAttrData.getUnderlineColor(), (1 << 16) | (2 << 8) | 3); assert.equal(inputHandler.curAttrData.getUnderlineColorMode(), Attributes.CM_RGB); assert.equal(inputHandler.curAttrData.isUnderlineColorRGB(), true); assert.equal(inputHandler.curAttrData.isUnderlineColorPalette(), false); assert.equal(inputHandler.curAttrData.isUnderlineColorDefault(), false); - inputHandler.parse('a'); - inputHandler.parse('\x1b[24m'); + await inputHandler.parseP('a'); + await inputHandler.parseP('\x1b[24m'); bufferService.buffer!.lines.get(0)!.loadCell(1, cell); assert.equal(cell.getUnderlineColor(), 123); assert.equal(cell.getUnderlineColorMode(), Attributes.CM_P256); @@ -1645,51 +1657,51 @@ describe('InputHandler', () => { }); }); describe('DECSTR', () => { - beforeEach(() => { + beforeEach(async () => { bufferService.resize(10, 5); optionsService.options.scrollback = 1; - inputHandler.parse('01234567890123'); + await inputHandler.parseP('01234567890123'); }); - it('should reset IRM', () => { - inputHandler.parse('\x1b[4h'); + it('should reset IRM', async () => { + await inputHandler.parseP('\x1b[4h'); assert.equal(coreService.modes.insertMode, true); - inputHandler.parse('\x1b[!p'); + await inputHandler.parseP('\x1b[!p'); assert.equal(coreService.modes.insertMode, false); }); - it('should reset cursor visibility', () => { - inputHandler.parse('\x1b[?25l'); + it('should reset cursor visibility', async () => { + await inputHandler.parseP('\x1b[?25l'); assert.equal(coreService.isCursorHidden, true); - inputHandler.parse('\x1b[!p'); + await inputHandler.parseP('\x1b[!p'); assert.equal(coreService.isCursorHidden, false); }); - it('should reset scroll margins', () => { - inputHandler.parse('\x1b[2;4r'); + it('should reset scroll margins', async () => { + await inputHandler.parseP('\x1b[2;4r'); assert.equal(bufferService.buffer.scrollTop, 1); assert.equal(bufferService.buffer.scrollBottom, 3); - inputHandler.parse('\x1b[!p'); + await inputHandler.parseP('\x1b[!p'); assert.equal(bufferService.buffer.scrollTop, 0); assert.equal(bufferService.buffer.scrollBottom, bufferService.rows - 1); }); - it('should reset text attributes', () => { - inputHandler.parse('\x1b[1;2;32;43m'); + it('should reset text attributes', async () => { + await inputHandler.parseP('\x1b[1;2;32;43m'); assert.equal(!!inputHandler.curAttrData.isBold(), true); - inputHandler.parse('\x1b[!p'); + await inputHandler.parseP('\x1b[!p'); assert.equal(!!inputHandler.curAttrData.isBold(), false); assert.equal(inputHandler.curAttrData.fg, 0); assert.equal(inputHandler.curAttrData.bg, 0); }); - it('should reset DECSC data', () => { - inputHandler.parse('\x1b7'); + it('should reset DECSC data', async () => { + await inputHandler.parseP('\x1b7'); assert.equal(bufferService.buffer.savedX, 4); assert.equal(bufferService.buffer.savedY, 1); - inputHandler.parse('\x1b[!p'); + await inputHandler.parseP('\x1b[!p'); assert.equal(bufferService.buffer.savedX, 0); assert.equal(bufferService.buffer.savedY, 0); }); - it('should reset DECOM', () => { - inputHandler.parse('\x1b[?6h'); + it('should reset DECOM', async () => { + await inputHandler.parseP('\x1b[?6h'); assert.equal(coreService.decPrivateModes.origin, true); - inputHandler.parse('\x1b[!p'); + await inputHandler.parseP('\x1b[!p'); assert.equal(coreService.decPrivateModes.origin, false); }); }); @@ -1733,15 +1745,17 @@ describe('InputHandler', () => { assert.equal(event!.colors.length, 1); assert.deepEqual(event!.colors[0], { colorIndex: 19, red: 0xa1, green: 0xb2, blue: 0xc3 }); }); - it('4: should fire event on Ansi color change', (done) => { - inputHandler.onAnsiColorChange(e => { - assert.isNotNull(e); - assert.isNotNull(e!.colors); - assert.deepEqual(e!.colors[0], { colorIndex: 17, red: 0x1a, green: 0x2b, blue: 0x3c }); - assert.deepEqual(e!.colors[1], { colorIndex: 12, red: 0x11, green: 0x22, blue: 0x33 }); - done(); + it('4: should fire event on Ansi color change', async () => { + return new Promise(async r => { + inputHandler.onAnsiColorChange(e => { + assert.isNotNull(e); + assert.isNotNull(e!.colors); + assert.deepEqual(e!.colors[0], { colorIndex: 17, red: 0x1a, green: 0x2b, blue: 0x3c }); + assert.deepEqual(e!.colors[1], { colorIndex: 12, red: 0x11, green: 0x22, blue: 0x33 }); + r(); + }); + await inputHandler.parseP('\x1b]4;17;rgb:1a/2b/3c;12;rgb:11/22/33\x1b\\'); }); - inputHandler.parse('\x1b]4;17;rgb:1a/2b/3c;12;rgb:11/22/33\x1b\\'); }); }); }); From adfeffec764caffe4bfcca15014350f6ea650573 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Fri, 22 Jan 2021 21:17:34 +0100 Subject: [PATCH 03/36] deprecate writeSync --- src/browser/Terminal.test.ts | 471 +++++++++++++++++----------------- src/browser/TestUtils.test.ts | 3 + src/common/CoreTerminal.ts | 10 + 3 files changed, 254 insertions(+), 230 deletions(-) diff --git a/src/browser/Terminal.test.ts b/src/browser/Terminal.test.ts index 8626be09..2e09f719 100644 --- a/src/browser/Terminal.test.ts +++ b/src/browser/Terminal.test.ts @@ -55,22 +55,30 @@ describe('Terminal', () => { // term.onData(() => done()); // term.handler('fake'); // }); - it('should fire the onCursorMove event', (done) => { - term.onCursorMove(() => done()); - term.writeSync('foo'); + it('should fire the onCursorMove event', () => { + return new Promise(async r => { + term.onCursorMove(() => r()); + await term.writeP('foo'); + }); }); - it('should fire the onLineFeed event', (done) => { - term.onLineFeed(() => done()); - term.writeSync('\n'); + it('should fire the onLineFeed event', () => { + return new Promise(async r => { + term.onLineFeed(() => r()); + await term.writeP('\n'); + }); }); - it('should fire a scroll event when scrollback is created', (done) => { - term.onScroll(() => done()); - term.writeSync('\n'.repeat(INIT_ROWS)); + it('should fire a scroll event when scrollback is created', () => { + return new Promise(async r => { + term.onScroll(() => r()); + await term.writeP('\n'.repeat(INIT_ROWS)); + }); }); - it('should fire a scroll event when scrollback is cleared', (done) => { - term.writeSync('\n'.repeat(INIT_ROWS)); - term.onScroll(() => done()); - term.clear(); + it('should fire a scroll event when scrollback is cleared', () => { + return new Promise(async r => { + await term.writeP('\n'.repeat(INIT_ROWS)); + term.onScroll(() => r()); + term.clear(); + }); }); it('should fire a key event after a keypress DOM event', (done) => { term.onKey(e => { @@ -178,10 +186,10 @@ describe('Terminal', () => { assert.deepEqual(term.buffer.lines.get(i), term.buffer.getBlankLine(DEFAULT_ATTR_DATA)); } }); - it('should clear a buffer larger than rows', () => { + it('should clear a buffer larger than rows', async () => { // Fill the buffer with dummy rows for (let i = 0; i < term.rows * 2; i++) { - term.writeSync('test\n'); + await term.writeP('test\n'); } const promptLine = term.buffer.lines.get(term.buffer.ybase + term.buffer.y); @@ -225,22 +233,24 @@ describe('Terminal', () => { }); term.paste('\r\nfoo\nbar\r'); }); - it('should respect bracketed paste mode', done => { - term.onData(e => { - assert.equal(e, '\x1b[200~foo\x1b[201~'); - done(); + it('should respect bracketed paste mode', () => { + return new Promise(async r => { + term.onData(e => { + assert.equal(e, '\x1b[200~foo\x1b[201~'); + r(); + }); + await term.writeP('\x1b[?2004h'); + term.paste('foo'); }); - term.writeSync('\x1b[?2004h'); - term.paste('foo'); }); }); describe('scroll', () => { describe('scrollLines', () => { let startYDisp: number; - beforeEach(() => { + beforeEach(async () => { for (let i = 0; i < INIT_ROWS * 2; i++) { - term.writeSync('test\r\n'); + await term.writeP('test\r\n'); } startYDisp = INIT_ROWS + 1; }); @@ -273,9 +283,9 @@ describe('Terminal', () => { describe('scrollPages', () => { let startYDisp: number; - beforeEach(() => { + beforeEach(async () => { for (let i = 0; i < term.rows * 3; i++) { - term.writeSync('test\r\n'); + await term.writeP('test\r\n'); } startYDisp = (term.rows * 2) + 1; }); @@ -296,9 +306,9 @@ describe('Terminal', () => { }); describe('scrollToTop', () => { - beforeEach(() => { + beforeEach(async () => { for (let i = 0; i < term.rows * 3; i++) { - term.writeSync('test\r\n'); + await term.writeP('test\r\n'); } }); it('should scroll to the top', () => { @@ -310,9 +320,9 @@ describe('Terminal', () => { describe('scrollToBottom', () => { let startYDisp: number; - beforeEach(() => { + beforeEach(async () => { for (let i = 0; i < term.rows * 3; i++) { - term.writeSync('test\r\n'); + await term.writeP('test\r\n'); } startYDisp = (term.rows * 2) + 1; }); @@ -331,9 +341,9 @@ describe('Terminal', () => { describe('scrollToLine', () => { let startYDisp: number; - beforeEach(() => { + beforeEach(async () => { for (let i = 0; i < term.rows * 3; i++) { - term.writeSync('test\r\n'); + await term.writeP('test\r\n'); } startYDisp = (term.rows * 2) + 1; }); @@ -375,10 +385,10 @@ describe('Terminal', () => { assert.equal(term.buffer.ydisp, term.buffer.ybase); }); - it('should not scroll down, when a custom keydown handler prevents the event', () => { + it('should not scroll down, when a custom keydown handler prevents the event', async () => { // Add some output to the terminal for (let i = 0; i < term.rows * 3; i++) { - term.writeSync('test\r\n'); + await term.writeP('test\r\n'); } const startYDisp = (term.rows * 2) + 1; term.attachCustomKeyEventHandler(() => { @@ -717,12 +727,12 @@ describe('Terminal', () => { }); describe('unicode - surrogates', () => { - it('2 characters per cell', function (): void { + it('2 characters per cell', async function (): Promise { this.timeout(10000); // This is needed because istanbul patches code and slows it down const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { - term.writeSync(high + String.fromCharCode(i)); + await term.writeP(high + String.fromCharCode(i)); const tchar = term.buffer.lines.get(0)!.loadCell(0, cell); expect(tchar.getChars()).eql(high + String.fromCharCode(i)); expect(tchar.getChars().length).eql(2); @@ -731,25 +741,25 @@ describe('Terminal', () => { term.reset(); } }); - it('2 characters at last cell', () => { + it('2 characters at last cell', async () => { const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { term.buffer.x = term.cols - 1; - term.writeSync(high + String.fromCharCode(i)); + await term.writeP(high + String.fromCharCode(i)); expect(term.buffer.lines.get(0)!.loadCell(term.buffer.x - 1, cell).getChars()).eql(high + String.fromCharCode(i)); expect(term.buffer.lines.get(0)!.loadCell(term.buffer.x - 1, cell).getChars().length).eql(2); expect(term.buffer.lines.get(1)!.loadCell(0, cell).getChars()).eql(''); term.reset(); } }); - it('2 characters per cell over line end with autowrap', () => { + it('2 characters per cell over line end with autowrap', async () => { const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { term.buffer.x = term.cols - 1; - term.writeSync('a' + high + String.fromCharCode(i)); + await term.writeP('a' + high + String.fromCharCode(i)); expect(term.buffer.lines.get(0)!.loadCell(term.cols - 1, cell).getChars()).eql('a'); expect(term.buffer.lines.get(1)!.loadCell(0, cell).getChars()).eql(high + String.fromCharCode(i)); expect(term.buffer.lines.get(1)!.loadCell(0, cell).getChars().length).eql(2); @@ -757,17 +767,17 @@ describe('Terminal', () => { term.reset(); } }); - it('2 characters per cell over line end without autowrap', () => { + it('2 characters per cell over line end without autowrap', async () => { const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { term.buffer.x = term.cols - 1; - term.writeSync('\x1b[?7l'); // Disable wraparound mode + await term.writeP('\x1b[?7l'); // Disable wraparound mode const width = wcwidth((0xD800 - 0xD800) * 0x400 + i - 0xDC00 + 0x10000); if (width !== 1) { continue; } - term.writeSync('a' + high + String.fromCharCode(i)); + await term.writeP('a' + high + String.fromCharCode(i)); // auto wraparound mode should cut off the rest of the line expect(term.buffer.lines.get(0)!.loadCell(term.cols - 1, cell).getChars()).eql(high + String.fromCharCode(i)); expect(term.buffer.lines.get(0)!.loadCell(term.cols - 1, cell).getChars().length).eql(2); @@ -775,12 +785,11 @@ describe('Terminal', () => { term.reset(); } }); - it('splitted surrogates', () => { + it('splitted surrogates', async () => { const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { - term.writeSync(high); - term.writeSync(String.fromCharCode(i)); + await term.writeP(high + String.fromCharCode(i)); const tchar = term.buffer.lines.get(0)!.loadCell(0, cell); expect(tchar.getChars()).eql(high + String.fromCharCode(i)); expect(tchar.getChars().length).eql(2); @@ -793,16 +802,16 @@ describe('Terminal', () => { describe('unicode - combining characters', () => { const cell = new CellData(); - it('café', () => { - term.writeSync('cafe\u0301'); + it('café', async () => { + await term.writeP('cafe\u0301'); term.buffer.lines.get(0)!.loadCell(3, cell); expect(cell.getChars()).eql('e\u0301'); expect(cell.getChars().length).eql(2); expect(cell.getWidth()).eql(1); }); - it('café - end of line', () => { + it('café - end of line', async () => { term.buffer.x = term.cols - 1 - 3; - term.writeSync('cafe\u0301'); + await term.writeP('cafe\u0301'); term.buffer.lines.get(0)!.loadCell(term.cols - 1, cell); expect(cell.getChars()).eql('e\u0301'); expect(cell.getChars().length).eql(2); @@ -812,8 +821,8 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(0); expect(cell.getWidth()).eql(1); }); - it('multiple combined é', () => { - term.writeSync(Array(100).join('e\u0301')); + it('multiple combined é', async () => { + await term.writeP(Array(100).join('e\u0301')); for (let i = 0; i < term.cols; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); expect(cell.getChars()).eql('e\u0301'); @@ -825,8 +834,8 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(2); expect(cell.getWidth()).eql(1); }); - it('multiple surrogate with combined', () => { - term.writeSync(Array(100).join('\uD800\uDC00\u0301')); + it('multiple surrogate with combined', async () => { + await term.writeP(Array(100).join('\uD800\uDC00\u0301')); for (let i = 0; i < term.cols; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); expect(cell.getChars()).eql('\uD800\uDC00\u0301'); @@ -842,19 +851,19 @@ describe('Terminal', () => { describe('unicode - fullwidth characters', () => { const cell = new CellData(); - it('cursor movement even', () => { + it('cursor movement even', async () => { expect(term.buffer.x).eql(0); - term.writeSync('¥'); + await term.writeP('¥'); expect(term.buffer.x).eql(2); }); - it('cursor movement odd', () => { + it('cursor movement odd', async () => { term.buffer.x = 1; expect(term.buffer.x).eql(1); - term.writeSync('¥'); + await term.writeP('¥'); expect(term.buffer.x).eql(3); }); - it('line of ¥ even', () => { - term.writeSync(Array(50).join('¥')); + it('line of ¥ even', async () => { + await term.writeP(Array(50).join('¥')); for (let i = 0; i < term.cols; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); if (i % 2) { @@ -872,9 +881,9 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(1); expect(cell.getWidth()).eql(2); }); - it('line of ¥ odd', () => { + it('line of ¥ odd', async () => { term.buffer.x = 1; - term.writeSync(Array(50).join('¥')); + await term.writeP(Array(50).join('¥')); for (let i = 1; i < term.cols - 1; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); if (!(i % 2)) { @@ -896,9 +905,9 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(1); expect(cell.getWidth()).eql(2); }); - it('line of ¥ with combining odd', () => { + it('line of ¥ with combining odd', async () => { term.buffer.x = 1; - term.writeSync(Array(50).join('¥\u0301')); + await term.writeP(Array(50).join('¥\u0301')); for (let i = 1; i < term.cols - 1; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); if (!(i % 2)) { @@ -920,8 +929,8 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(2); expect(cell.getWidth()).eql(2); }); - it('line of ¥ with combining even', () => { - term.writeSync(Array(50).join('¥\u0301')); + it('line of ¥ with combining even', async () => { + await term.writeP(Array(50).join('¥\u0301')); for (let i = 0; i < term.cols; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); if (i % 2) { @@ -939,9 +948,9 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(2); expect(cell.getWidth()).eql(2); }); - it('line of surrogate fullwidth with combining odd', () => { + it('line of surrogate fullwidth with combining odd', async () => { term.buffer.x = 1; - term.writeSync(Array(50).join('\ud843\ude6d\u0301')); + await term.writeP(Array(50).join('\ud843\ude6d\u0301')); for (let i = 1; i < term.cols - 1; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); if (!(i % 2)) { @@ -963,8 +972,8 @@ describe('Terminal', () => { expect(cell.getChars().length).eql(3); expect(cell.getWidth()).eql(2); }); - it('line of surrogate fullwidth with combining even', () => { - term.writeSync(Array(50).join('\ud843\ude6d\u0301')); + it('line of surrogate fullwidth with combining even', async () => { + await term.writeP(Array(50).join('\ud843\ude6d\u0301')); for (let i = 0; i < term.cols; ++i) { term.buffer.lines.get(0)!.loadCell(i, cell); if (i % 2) { @@ -986,24 +995,24 @@ describe('Terminal', () => { describe('insert mode', () => { const cell = new CellData(); - it('halfwidth - all', () => { - term.writeSync(Array(9).join('0123456789').slice(-80)); + it('halfwidth - all', async () => { + await term.writeP(Array(9).join('0123456789').slice(-80)); term.buffer.x = 10; term.buffer.y = 0; term.write('\x1b[4h'); - term.writeSync('abcde'); + await term.writeP('abcde'); expect(term.buffer.lines.get(0)!.length).eql(term.cols); expect(term.buffer.lines.get(0)!.loadCell(10, cell).getChars()).eql('a'); expect(term.buffer.lines.get(0)!.loadCell(14, cell).getChars()).eql('e'); expect(term.buffer.lines.get(0)!.loadCell(15, cell).getChars()).eql('0'); expect(term.buffer.lines.get(0)!.loadCell(79, cell).getChars()).eql('4'); }); - it('fullwidth - insert', () => { - term.writeSync(Array(9).join('0123456789').slice(-80)); + it('fullwidth - insert', async () => { + await term.writeP(Array(9).join('0123456789').slice(-80)); term.buffer.x = 10; term.buffer.y = 0; term.write('\x1b[4h'); - term.writeSync('¥¥¥'); + await term.writeP('¥¥¥'); expect(term.buffer.lines.get(0)!.length).eql(term.cols); expect(term.buffer.lines.get(0)!.loadCell(10, cell).getChars()).eql('¥'); expect(term.buffer.lines.get(0)!.loadCell(11, cell).getChars()).eql(''); @@ -1011,17 +1020,17 @@ describe('Terminal', () => { expect(term.buffer.lines.get(0)!.loadCell(15, cell).getChars()).eql(''); expect(term.buffer.lines.get(0)!.loadCell(79, cell).getChars()).eql('3'); }); - it('fullwidth - right border', () => { - term.writeSync(Array(41).join('¥')); + it('fullwidth - right border', async () => { + await term.writeP(Array(41).join('¥')); term.buffer.x = 10; term.buffer.y = 0; term.write('\x1b[4h'); - term.writeSync('a'); + await term.writeP('a'); expect(term.buffer.lines.get(0)!.length).eql(term.cols); expect(term.buffer.lines.get(0)!.loadCell(10, cell).getChars()).eql('a'); expect(term.buffer.lines.get(0)!.loadCell(11, cell).getChars()).eql('¥'); expect(term.buffer.lines.get(0)!.loadCell(79, cell).getChars()).eql(''); // fullwidth char got replaced - term.writeSync('b'); + await term.writeP('b'); expect(term.buffer.lines.get(0)!.length).eql(term.cols); expect(term.buffer.lines.get(0)!.loadCell(11, cell).getChars()).eql('b'); expect(term.buffer.lines.get(0)!.loadCell(12, cell).getChars()).eql('¥'); @@ -1043,85 +1052,87 @@ describe('Terminal', () => { linkifier.attachToDom({} as any, mouseZoneManager); }); - function assertLinkifiesInTerminal(rowText: string, linkMatcherRegex: RegExp, links: {x1: number, y1: number, x2: number, y2: number}[], done: Mocha.Done): void { - terminal.writeSync(rowText); - linkifier.registerLinkMatcher(linkMatcherRegex, () => {}); - linkifier.linkifyRows(); - // Allow linkify to happen - setTimeout(() => { - assert.equal(mouseZoneManager.zones.length, links.length); - links.forEach((l, i) => { - assert.equal(mouseZoneManager.zones[i].x1, l.x1 + 1); - assert.equal(mouseZoneManager.zones[i].x2, l.x2 + 1); - assert.equal(mouseZoneManager.zones[i].y1, l.y1 + 1); - assert.equal(mouseZoneManager.zones[i].y2, l.y2 + 1); - }); - done(); - }, 0); + function assertLinkifiesInTerminal(rowText: string, linkMatcherRegex: RegExp, links: {x1: number, y1: number, x2: number, y2: number}[]): Promise { + return new Promise(async r => { + await terminal.writeP(rowText); + linkifier.registerLinkMatcher(linkMatcherRegex, () => {}); + linkifier.linkifyRows(); + // Allow linkify to happen + setTimeout(() => { + assert.equal(mouseZoneManager.zones.length, links.length); + links.forEach((l, i) => { + assert.equal(mouseZoneManager.zones[i].x1, l.x1 + 1); + assert.equal(mouseZoneManager.zones[i].x2, l.x2 + 1); + assert.equal(mouseZoneManager.zones[i].y1, l.y1 + 1); + assert.equal(mouseZoneManager.zones[i].y2, l.y2 + 1); + }); + r(); + }, 0); + }); } describe('unicode before the match', () => { - it('combining - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('e\u0301e\u0301e\u0301 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}], done); + it('combining - match within one line', () => { + return assertLinkifiesInTerminal('e\u0301e\u0301e\u0301 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}]); }); - it('combining - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('e\u0301e\u0301e\u0301 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done); + it('combining - match over two lines', () => { + return assertLinkifiesInTerminal('e\u0301e\u0301e\u0301 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}]); }); - it('surrogate - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('𝄞𝄞𝄞 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}], done); + it('surrogate - match within one line', () => { + return assertLinkifiesInTerminal('𝄞𝄞𝄞 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}]); }); - it('surrogate - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('𝄞𝄞𝄞 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done); + it('surrogate - match over two lines', () => { + return assertLinkifiesInTerminal('𝄞𝄞𝄞 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}]); }); - it('combining surrogate - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('𓂀\u0301𓂀\u0301𓂀\u0301 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}], done); + it('combining surrogate - match within one line', () => { + return assertLinkifiesInTerminal('𓂀\u0301𓂀\u0301𓂀\u0301 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}]); }); - it('combining surrogate - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('𓂀\u0301𓂀\u0301𓂀\u0301 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done); + it('combining surrogate - match over two lines', () => { + return assertLinkifiesInTerminal('𓂀\u0301𓂀\u0301𓂀\u0301 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}]); }); - it('fullwidth - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('12 foo', /foo/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done); + it('fullwidth - match within one line', () => { + return assertLinkifiesInTerminal('12 foo', /foo/, [{x1: 5, x2: 8, y1: 0, y2: 0}]); }); - it('fullwidth - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('12 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done); + it('fullwidth - match over two lines', () => { + return assertLinkifiesInTerminal('12 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}]); }); - it('combining fullwidth - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('¥\u0301¥\u0301 foo', /foo/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done); + it('combining fullwidth - match within one line', () => { + return assertLinkifiesInTerminal('¥\u0301¥\u0301 foo', /foo/, [{x1: 5, x2: 8, y1: 0, y2: 0}]); }); - it('combining fullwidth - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('¥\u0301¥\u0301 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done); + it('combining fullwidth - match over two lines', () => { + return assertLinkifiesInTerminal('¥\u0301¥\u0301 foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}]); }); }); describe('unicode within the match', () => { - it('combining - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('test cafe\u0301', /cafe\u0301/, [{x1: 5, x2: 9, y1: 0, y2: 0}], done); + it('combining - match within one line', () => { + return assertLinkifiesInTerminal('test cafe\u0301', /cafe\u0301/, [{x1: 5, x2: 9, y1: 0, y2: 0}]); }); - it('combining - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('testtest cafe\u0301', /cafe\u0301/, [{x1: 9, x2: 3, y1: 0, y2: 1}], done); + it('combining - match over two lines', () => { + return assertLinkifiesInTerminal('testtest cafe\u0301', /cafe\u0301/, [{x1: 9, x2: 3, y1: 0, y2: 1}]); }); - it('surrogate - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('test a𝄞b', /a𝄞b/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done); + it('surrogate - match within one line', () => { + return assertLinkifiesInTerminal('test a𝄞b', /a𝄞b/, [{x1: 5, x2: 8, y1: 0, y2: 0}]); }); - it('surrogate - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('testtest a𝄞b', /a𝄞b/, [{x1: 9, x2: 2, y1: 0, y2: 1}], done); + it('surrogate - match over two lines', () => { + return assertLinkifiesInTerminal('testtest a𝄞b', /a𝄞b/, [{x1: 9, x2: 2, y1: 0, y2: 1}]); }); - it('combining surrogate - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('test a𓂀\u0301b', /a𓂀\u0301b/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done); + it('combining surrogate - match within one line', () => { + return assertLinkifiesInTerminal('test a𓂀\u0301b', /a𓂀\u0301b/, [{x1: 5, x2: 8, y1: 0, y2: 0}]); }); - it('combining surrogate - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('testtest a𓂀\u0301b', /a𓂀\u0301b/, [{x1: 9, x2: 2, y1: 0, y2: 1}], done); + it('combining surrogate - match over two lines', () => { + return assertLinkifiesInTerminal('testtest a𓂀\u0301b', /a𓂀\u0301b/, [{x1: 9, x2: 2, y1: 0, y2: 1}]); }); - it('fullwidth - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('test a1b', /a1b/, [{x1: 5, x2: 9, y1: 0, y2: 0}], done); + it('fullwidth - match within one line', () => { + return assertLinkifiesInTerminal('test a1b', /a1b/, [{x1: 5, x2: 9, y1: 0, y2: 0}]); }); - it('fullwidth - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('testtest a1b', /a1b/, [{x1: 9, x2: 3, y1: 0, y2: 1}], done); + it('fullwidth - match over two lines', () => { + return assertLinkifiesInTerminal('testtest a1b', /a1b/, [{x1: 9, x2: 3, y1: 0, y2: 1}]); }); - it('combining fullwidth - match within one line', function(done: () => void): void { - assertLinkifiesInTerminal('test a¥\u0301b', /a¥\u0301b/, [{x1: 5, x2: 9, y1: 0, y2: 0}], done); + it('combining fullwidth - match within one line', () => { + return assertLinkifiesInTerminal('test a¥\u0301b', /a¥\u0301b/, [{x1: 5, x2: 9, y1: 0, y2: 0}]); }); - it('combining fullwidth - match over two lines', function(done: () => void): void { - assertLinkifiesInTerminal('testtest a¥\u0301b', /a¥\u0301b/, [{x1: 9, x2: 3, y1: 0, y2: 1}], done); + it('combining fullwidth - match over two lines', () => { + return assertLinkifiesInTerminal('testtest a¥\u0301b', /a¥\u0301b/, [{x1: 9, x2: 3, y1: 0, y2: 1}]); }); }); }); @@ -1133,9 +1144,9 @@ describe('Terminal', () => { terminal = new TestTerminal({rows: 5, cols: 10, scrollback: 5}); }); - it('multiline ascii', () => { + it('multiline ascii', async () => { const input = 'This is ASCII text spanning multiple lines.'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 0; i < input.length; ++i) { @@ -1144,9 +1155,9 @@ describe('Terminal', () => { } }); - it('combining e\u0301 in a sentence', () => { + it('combining e\u0301 in a sentence', async () => { const input = 'Sitting in the cafe\u0301 drinking coffee.'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 0; i < 19; ++i) { @@ -1164,9 +1175,9 @@ describe('Terminal', () => { } }); - it('multiline combining e\u0301', () => { + it('multiline combining e\u0301', async () => { const input = 'e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); // every buffer cell index contains 2 string indices @@ -1176,9 +1187,9 @@ describe('Terminal', () => { } }); - it('surrogate char in a sentence', () => { + it('surrogate char in a sentence', async () => { const input = 'The 𝄞 is a clef widely used in modern notation.'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 0; i < 5; ++i) { @@ -1196,9 +1207,9 @@ describe('Terminal', () => { } }); - it('multiline surrogate char', () => { + it('multiline surrogate char', async () => { const input = '𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); // every buffer cell index contains 2 string indices @@ -1208,10 +1219,10 @@ describe('Terminal', () => { } }); - it('surrogate char with combining', () => { + it('surrogate char with combining', async () => { // eye of Ra with acute accent - string length of 3 const input = '𓂀\u0301 - the eye hiroglyph with an acute accent.'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); // index 0..2 should map to 0 @@ -1223,9 +1234,9 @@ describe('Terminal', () => { } }); - it('multiline surrogate with combining', () => { + it('multiline surrogate with combining', async () => { const input = '𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); // every buffer cell index contains 3 string indices @@ -1235,9 +1246,9 @@ describe('Terminal', () => { } }); - it('fullwidth chars', () => { + it('fullwidth chars', async () => { const input = 'These 123 are some fat numbers.'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 0; i < 6; ++i) { @@ -1254,9 +1265,9 @@ describe('Terminal', () => { } }); - it('multiline fullwidth chars', () => { + it('multiline fullwidth chars', async () => { const input = '12345678901234567890'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 9; i < input.length; ++i) { @@ -1265,9 +1276,9 @@ describe('Terminal', () => { } }); - it('fullwidth combining with emoji - match emoji cell', () => { + it('fullwidth combining with emoji - match emoji cell', async () => { const input = 'Lots of ¥\u0301 make me 😃.'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); const stringIndex = s.match(/😃/)!.index!; @@ -1275,14 +1286,14 @@ describe('Terminal', () => { assert(terminal.buffer.lines.get(bufferIndex[0])!.loadCell(bufferIndex[1], new CellData()).getChars(), '😃'); }); - it('multiline fullwidth chars with offset 1 (currently tests for broken behavior)', () => { + it('multiline fullwidth chars with offset 1 (currently tests for broken behavior)', async () => { const input = 'a12345678901234567890'; // the 'a' at the beginning moves all fullwidth chars one to the right // now the end of the line contains a dangling empty cell since // the next fullwidth char has to wrap early // the dangling last cell is wrongly added in the string // --> fixable after resolving #1685 - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 10; i < input.length; ++i) { @@ -1292,9 +1303,9 @@ describe('Terminal', () => { } }); - it('test fully wrapped buffer up to last char', () => { + it('test fully wrapped buffer up to last char', async () => { const input = Array(6).join('1234567890'); - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 0; i < input.length; ++i) { @@ -1303,10 +1314,10 @@ describe('Terminal', () => { } }); - it('test fully wrapped buffer up to last char with full width odd', () => { + it('test fully wrapped buffer up to last char with full width odd', async () => { const input = 'a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301' + 'a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301a¥\u0301'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(input, s); for (let i = 0; i < input.length; ++i) { @@ -1321,16 +1332,16 @@ describe('Terminal', () => { } }); - it('should handle \t in lines correctly', () => { + it('should handle \t in lines correctly', async () => { const input = '\thttps://google.de'; - terminal.writeSync(input); + await terminal.writeP(input); const s = terminal.buffer.iterator(true).next().content; assert.equal(s, Array(terminal.optionsService.options.tabStopWidth + 1).join(' ') + 'https://google.de'); }); }); describe('BufferStringIterator', function(): void { - it('iterator does not overflow buffer limits', function(): void { + it('iterator does not overflow buffer limits', async () => { const terminal = new TestTerminal({rows: 5, cols: 10, scrollback: 5}); const data = [ 'aaaaaaaaaa', @@ -1344,7 +1355,7 @@ describe('Terminal', () => { 'aaaaaaaaaa', 'aaaaaaaaaa' ]; - terminal.writeSync(data.join('')); + await terminal.writeP(data.join('')); // brute force test with insane values expect(() => { for (let overscan = 0; overscan < 20; ++overscan) { @@ -1362,7 +1373,7 @@ describe('Terminal', () => { }); describe('Windows Mode', () => { - it('should mark lines as wrapped when the line ends in a non-null character after a LF', () => { + it('should mark lines as wrapped when the line ends in a non-null character after a LF', async () => { const data = [ 'aaaaaaaaaa\n\r', // cannot wrap as it's the first 'aaaaaaaaa\n\r', // wrapped (windows mode only) @@ -1370,19 +1381,19 @@ describe('Terminal', () => { ]; const normalTerminal = new TestTerminal({rows: 5, cols: 10, windowsMode: false}); - normalTerminal.writeSync(data.join('')); + await normalTerminal.writeP(data.join('')); assert.equal(normalTerminal.buffer.lines.get(0)!.isWrapped, false); assert.equal(normalTerminal.buffer.lines.get(1)!.isWrapped, false); assert.equal(normalTerminal.buffer.lines.get(2)!.isWrapped, false); const windowsModeTerminal = new TestTerminal({rows: 5, cols: 10, windowsMode: true}); - windowsModeTerminal.writeSync(data.join('')); + await windowsModeTerminal.writeP(data.join('')); assert.equal(windowsModeTerminal.buffer.lines.get(0)!.isWrapped, false); assert.equal(windowsModeTerminal.buffer.lines.get(1)!.isWrapped, true, 'This line should wrap in Windows mode as the previous line ends in a non-null character'); assert.equal(windowsModeTerminal.buffer.lines.get(2)!.isWrapped, false); }); - it('should mark lines as wrapped when the line ends in a non-null character after a CUP', () => { + it('should mark lines as wrapped when the line ends in a non-null character after a CUP', async () => { const data = [ 'aaaaaaaaaa\x1b[2;1H', // cannot wrap as it's the first 'aaaaaaaaa\x1b[3;1H', // wrapped (windows mode only) @@ -1390,22 +1401,22 @@ describe('Terminal', () => { ]; const normalTerminal = new TestTerminal({rows: 5, cols: 10, windowsMode: false}); - normalTerminal.writeSync(data.join('')); + await normalTerminal.writeP(data.join('')); assert.equal(normalTerminal.buffer.lines.get(0)!.isWrapped, false); assert.equal(normalTerminal.buffer.lines.get(1)!.isWrapped, false); assert.equal(normalTerminal.buffer.lines.get(2)!.isWrapped, false); const windowsModeTerminal = new TestTerminal({rows: 5, cols: 10, windowsMode: true}); - windowsModeTerminal.writeSync(data.join('')); + await windowsModeTerminal.writeP(data.join('')); assert.equal(windowsModeTerminal.buffer.lines.get(0)!.isWrapped, false); assert.equal(windowsModeTerminal.buffer.lines.get(1)!.isWrapped, true, 'This line should wrap in Windows mode as the previous line ends in a non-null character'); assert.equal(windowsModeTerminal.buffer.lines.get(2)!.isWrapped, false); }); }); - it('convertEol setting', function(): void { + it('convertEol setting', async () => { // not converting const termNotConverting = new TestTerminal({cols: 15, rows: 10}); - termNotConverting.writeSync('Hello\nWorld'); + await termNotConverting.writeP('Hello\nWorld'); expect(termNotConverting.buffer.lines.get(0)!.translateToString(false)).equals('Hello '); expect(termNotConverting.buffer.lines.get(1)!.translateToString(false)).equals(' World '); expect(termNotConverting.buffer.lines.get(0)!.translateToString(true)).equals('Hello'); @@ -1413,7 +1424,7 @@ describe('Terminal', () => { // converting const termConverting = new TestTerminal({cols: 15, rows: 10, convertEol: true}); - termConverting.writeSync('Hello\nWorld'); + await termConverting.writeP('Hello\nWorld'); expect(termConverting.buffer.lines.get(0)!.translateToString(false)).equals('Hello '); expect(termConverting.buffer.lines.get(1)!.translateToString(false)).equals('World '); expect(termConverting.buffer.lines.get(0)!.translateToString(true)).equals('Hello'); @@ -1434,54 +1445,54 @@ describe('Terminal', () => { beforeEach(() => { term = new TestTerminal({cols: 5, rows: 5, scrollback: 1}); }); - it('SL (scrollLeft)', () => { - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[ @'); + it('SL (scrollLeft)', async () => { + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[ @'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '2345', '2345', '2345', '2345', '2345']); - term.writeSync('\x1b[0 @'); + await term.writeP('\x1b[0 @'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '345', '345', '345', '345', '345']); - term.writeSync('\x1b[2 @'); + await term.writeP('\x1b[2 @'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '5', '5', '5', '5', '5']); }); - it('SR (scrollRight)', () => { - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[ A'); + it('SR (scrollRight)', async () => { + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[ A'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', ' 1234', ' 1234', ' 1234', ' 1234', ' 1234']); - term.writeSync('\x1b[0 A'); + await term.writeP('\x1b[0 A'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', ' 123', ' 123', ' 123', ' 123', ' 123']); - term.writeSync('\x1b[2 A'); + await term.writeP('\x1b[2 A'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', ' 1', ' 1', ' 1', ' 1', ' 1']); }); - it('insertColumns (DECIC)', () => { - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[3;3H'); - term.writeSync('\x1b[\'}'); + it('insertColumns (DECIC)', async () => { + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[3;3H'); + await term.writeP('\x1b[\'}'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '12 34', '12 34', '12 34', '12 34', '12 34']); term.reset(); - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[3;3H'); - term.writeSync('\x1b[1\'}'); + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[3;3H'); + await term.writeP('\x1b[1\'}'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '12 34', '12 34', '12 34', '12 34', '12 34']); term.reset(); - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[3;3H'); - term.writeSync('\x1b[2\'}'); + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[3;3H'); + await term.writeP('\x1b[2\'}'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '12 3', '12 3', '12 3', '12 3', '12 3']); }); - it('deleteColumns (DECDC)', () => { - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[3;3H'); - term.writeSync('\x1b[\'~'); + it('deleteColumns (DECDC)', async () => { + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[3;3H'); + await term.writeP('\x1b[\'~'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '1245', '1245', '1245', '1245', '1245']); term.reset(); - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[3;3H'); - term.writeSync('\x1b[1\'~'); + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[3;3H'); + await term.writeP('\x1b[1\'~'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '1245', '1245', '1245', '1245', '1245']); term.reset(); - term.writeSync('12345'.repeat(6)); - term.writeSync('\x1b[3;3H'); - term.writeSync('\x1b[2\'~'); + await term.writeP('12345'.repeat(6)); + await term.writeP('\x1b[3;3H'); + await term.writeP('\x1b[2\'~'); assert.deepEqual(getLines(term, term.rows + 1), ['12345', '125', '125', '125', '125', '125']); }); }); @@ -1494,41 +1505,41 @@ describe('Terminal', () => { }); describe('reverseWraparound set', () => { - it('should not reverse outside of scroll margins', () => { + it('should not reverse outside of scroll margins', async () => { // prepare buffer content - term.writeSync('#####abcdefghijklmnopqrstuvwxy'); + await term.writeP('#####abcdefghijklmnopqrstuvwxy'); assert.deepEqual(getLines(term, 6), ['#####', 'abcde', 'fghij', 'klmno', 'pqrst', 'uvwxy']); assert.equal(term.buffer.ydisp, 1); assert.equal(term.buffer.x, 5); assert.equal(term.buffer.y, 4); - term.writeSync(ttyBS.repeat(100)); + await term.writeP(ttyBS.repeat(100)); assert.deepEqual(getLines(term, 6), ['#####', 'abcde', 'fghij', 'klmno', 'pqrst', ' y']); - term.writeSync('\x1b[?45h'); - term.writeSync('uvwxy'); + await term.writeP('\x1b[?45h'); + await term.writeP('uvwxy'); // set top/bottom to 1/3 (0-based) - term.writeSync('\x1b[2;4r'); + await term.writeP('\x1b[2;4r'); // place cursor below scroll bottom term.buffer.x = 5; term.buffer.y = 4; - term.writeSync(ttyBS.repeat(100)); + await term.writeP(ttyBS.repeat(100)); assert.deepEqual(getLines(term, 6), ['#####', 'abcde', 'fghij', 'klmno', 'pqrst', ' ']); - term.writeSync('uvwxy'); + await term.writeP('uvwxy'); // place cursor within scroll margins term.buffer.x = 5; term.buffer.y = 3; - term.writeSync(ttyBS.repeat(100)); + await term.writeP(ttyBS.repeat(100)); assert.deepEqual(getLines(term, 6), ['#####', 'abcde', ' ', ' ', ' ', 'uvwxy']); assert.equal(term.buffer.x, 0); assert.equal(term.buffer.y, term.buffer.scrollTop); // stops at 0, scrollTop - term.writeSync('fghijklmnopqrst'); + await term.writeP('fghijklmnopqrst'); // place cursor above scroll top term.buffer.x = 5; term.buffer.y = 0; - term.writeSync(ttyBS.repeat(100)); + await term.writeP(ttyBS.repeat(100)); assert.deepEqual(getLines(term, 6), ['#####', ' ', 'fghij', 'klmno', 'pqrst', 'uvwxy']); }); }); @@ -1542,22 +1553,22 @@ describe('Terminal', () => { let markers: IMarker[]; let disposeStack: IMarker[]; let term: TestTerminal; - beforeEach(() => { + beforeEach(async () => { term = new TestTerminal({}); markers = []; disposeStack = []; term.optionsService.setOption('scrollback', 1); term.resize(10, 5); markers.push(term.buffers.active.addMarker(term.buffers.active.y)); - term.writeSync('\x1b[r0\r\n'); + await term.writeP('\x1b[r0\r\n'); markers.push(term.buffers.active.addMarker(term.buffers.active.y)); - term.writeSync('1\r\n'); + await term.writeP('1\r\n'); markers.push(term.buffers.active.addMarker(term.buffers.active.y)); - term.writeSync('2\r\n'); + await term.writeP('2\r\n'); markers.push(term.buffers.active.addMarker(term.buffers.active.y)); - term.writeSync('3\r\n'); + await term.writeP('3\r\n'); markers.push(term.buffers.active.addMarker(term.buffers.active.y)); - term.writeSync('4'); + await term.writeP('4'); for (let i = 0; i < markers.length; ++i) { const marker = markers[i]; marker.onDispose(() => disposeStack.push(marker)); @@ -1566,15 +1577,15 @@ describe('Terminal', () => { it('initial', () => { assert.deepEqual(markers.map(m => m.line), [0, 1, 2, 3, 4]); }); - it('should dispose on normal trim off the top', () => { + it('should dispose on normal trim off the top', async () => { // moves top line into scrollback - term.writeSync('\n'); + await term.writeP('\n'); assert.deepEqual(disposeStack, []); // trims first marker - term.writeSync('\n'); + await term.writeP('\n'); assert.deepEqual(disposeStack, [markers[0]]); // trims second marker - term.writeSync('\n'); + await term.writeP('\n'); assert.deepEqual(disposeStack, [markers[0], markers[1]]); // trimmed marker objs should be disposed assert.deepEqual(disposeStack.map(el => el.isDisposed), [true, true]); @@ -1582,14 +1593,14 @@ describe('Terminal', () => { // trimmed markers should contain line -1 assert.deepEqual(disposeStack.map(el => el.line), [-1, -1]); }); - it('should dispose on DL', () => { - term.writeSync('\x1b[3;1H'); // move cursor to 0, 2 - term.writeSync('\x1b[2M'); // delete 2 lines + it('should dispose on DL', async () => { + await term.writeP('\x1b[3;1H'); // move cursor to 0, 2 + await term.writeP('\x1b[2M'); // delete 2 lines assert.deepEqual(disposeStack, [markers[2], markers[3]]); }); - it('should dispose on IL', () => { - term.writeSync('\x1b[3;1H'); // move cursor to 0, 2 - term.writeSync('\x1b[2L'); // insert 2 lines + it('should dispose on IL', async () => { + await term.writeP('\x1b[3;1H'); // move cursor to 0, 2 + await term.writeP('\x1b[2L'); // insert 2 lines assert.deepEqual(disposeStack, [markers[4], markers[3]]); assert.deepEqual(markers.map(el => el.line), [0, 1, 4, -1, -1]); }); diff --git a/src/browser/TestUtils.test.ts b/src/browser/TestUtils.test.ts index 6a4b4a0d..38f9c8f1 100644 --- a/src/browser/TestUtils.test.ts +++ b/src/browser/TestUtils.test.ts @@ -21,6 +21,9 @@ export class TestTerminal extends Terminal { public get curAttrData(): IAttributeData { return (this as any)._inputHandler._curAttrData; } public keyDown(ev: any): boolean | undefined { return this._keyDown(ev); } public keyPress(ev: any): boolean { return this._keyPress(ev); } + public writeP(data: string | Uint8Array): Promise { + return new Promise(r => this.write(data, r)); + } } export class MockTerminal implements ITerminal { diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index 11e71bad..e67a1f26 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -125,7 +125,17 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { this._writeBuffer.write(data, callback); } + /** + * Write data to terminal synchonously. + * + * This method is unreliable with async parser handlers, thus should not + * be used anymore. If you need blocking semantics on data input consider + * `write` with a callback instead. + * + * @deprecated Unreliable, will be removed soon. + */ public writeSync(data: string | Uint8Array): void { + console.error('writeSync is unreliable and will be removed soon.'); this._writeBuffer.writeSync(data); } From 22d777c9f96c263377003cce82244a19a21f7209 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Fri, 22 Jan 2021 21:24:54 +0100 Subject: [PATCH 04/36] make linter happy --- src/common/CoreTerminal.ts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index e67a1f26..7b45a172 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -127,11 +127,11 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { /** * Write data to terminal synchonously. - * + * * This method is unreliable with async parser handlers, thus should not * be used anymore. If you need blocking semantics on data input consider * `write` with a callback instead. - * + * * @deprecated Unreliable, will be removed soon. */ public writeSync(data: string | Uint8Array): void { From b07ca8bb2422d6ea5d4fb45527e5f715626bdf4a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Fri, 22 Jan 2021 21:34:12 +0100 Subject: [PATCH 05/36] fix timeout issue on macos --- src/browser/Terminal.test.ts | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/browser/Terminal.test.ts b/src/browser/Terminal.test.ts index 2e09f719..fe5b0bd5 100644 --- a/src/browser/Terminal.test.ts +++ b/src/browser/Terminal.test.ts @@ -753,7 +753,8 @@ describe('Terminal', () => { term.reset(); } }); - it('2 characters per cell over line end with autowrap', async () => { + it('2 characters per cell over line end with autowrap', async function (): Promise { + this.timeout(10000); const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { @@ -767,7 +768,8 @@ describe('Terminal', () => { term.reset(); } }); - it('2 characters per cell over line end without autowrap', async () => { + it('2 characters per cell over line end without autowrap', async function (): Promise { + this.timeout(10000); const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { @@ -785,7 +787,8 @@ describe('Terminal', () => { term.reset(); } }); - it('splitted surrogates', async () => { + it('splitted surrogates', async function (): Promise { + this.timeout(10000); const high = String.fromCharCode(0xD800); const cell = new CellData(); for (let i = 0xDC00; i <= 0xDCFF; ++i) { From 2f07ed997605d9c289c8a6cc5c3a2a8bd86e11c7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Sat, 23 Jan 2021 13:05:57 +0100 Subject: [PATCH 06/36] simplify stack save in parser --- src/common/InputHandler.ts | 18 ++- src/common/parser/EscapeSequenceParser.ts | 173 +++++++++------------- src/common/parser/Types.d.ts | 20 +++ 3 files changed, 108 insertions(+), 103 deletions(-) diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index 001c9995..099cdff7 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -460,7 +460,9 @@ export class InputHandler extends Disposable implements IInputHandler { super.dispose(); } - // FIXME: cleanup async handling + /** + * Async parse support. + */ private _parseStack = { paused: false, cursorStartX: 0, @@ -468,7 +470,6 @@ export class InputHandler extends Disposable implements IInputHandler { decodedLength: 0, position: 0 }; - private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void { this._parseStack.paused = true; this._parseStack.cursorStartX = cursorStartX; @@ -477,6 +478,19 @@ export class InputHandler extends Disposable implements IInputHandler { this._parseStack.position = position; } + /** + * Parse call with async handler support. + * + * Whether the stack state got preserved for the next call, is indicated by the return value: + * - undefined (void): + * all handlers were sync, no stack save, continue normally with next chunk + * - Promise\: + * execution stopped at async handler, stack saved, continue with + * same chunk and the promise resolve value as `promiseResult` until the method returns `undefined` + * + * Note: Never call this directly for a running terminal instance in production. + * Always use `Terminal.write`, which provides in-band blocking and correct exection order. + */ public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise { let result: void | Promise; let buffer = this._bufferService.buffer; diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 3635ca78..e56655ae 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -3,7 +3,7 @@ * @license MIT */ -import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType } from 'common/parser/Types'; +import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType, IParserStackState, ParserStackType, ResumableHandlersType } from 'common/parser/Types'; import { ParserState, ParserAction } from 'common/parser/Constants'; import { Disposable } from 'common/Lifecycle'; import { IDisposable } from 'common/Types'; @@ -437,44 +437,28 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this.precedingCodepoint = 0; } - // FIXME: cleanup async handling - private _parseStack: { - paused: boolean; - type: 'ESC' | 'CSI'; // FIXME: support for DCS and OSC - handlers: CsiHandlerType[] | EscHandlerType[]; - handlerPos: number; - transition: number; - currentState: ParserState; - collect: number; - pos: number; - } = { - paused: false, - type: 'ESC', + /** + * Async parse support. + */ + private _parseStack: IParserStackState = { + state: ParserStackType.NONE, handlers: [], handlerPos: 0, transition: 0, - currentState: 0, - collect: 0, - pos: 0 + chunkPos: 0 }; - private _preserveStack( - type: 'ESC' | 'CSI', - handlers: CsiHandlerType[] | EscHandlerType[], + state: ParserStackType, + handlers: ResumableHandlersType, handlerPos: number, transition: number, - currentState: ParserState, - collect: number, - pos: number - ): void { - this._parseStack.paused = true; - this._parseStack.type = type; + chunkPos: number): void + { + this._parseStack.state = state; this._parseStack.handlers = handlers; this._parseStack.handlerPos = handlerPos; this._parseStack.transition = transition; - this._parseStack.currentState = currentState; - this._parseStack.collect = collect; - this._parseStack.pos = pos; + this._parseStack.chunkPos = chunkPos; } /** @@ -494,22 +478,12 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise { let code = 0; let transition = 0; - let currentState = this.currentState; - const osc = this._oscParser; - const dcs = this._dcsParser; - let collect = this._collect; - const params = this._params; - const table: Uint8Array = this._transitions.table; - - let res: any; let start = 0; - if (this._parseStack.paused) { - const handlers = this._parseStack.handlers; + let handlerResult: any; + + // resume from async handler + if (this._parseStack.state) { let handlerPos = this._parseStack.handlerPos - 1; - transition = this._parseStack.transition; - currentState = this._parseStack.currentState; - collect = this._parseStack.collect; - start = this._parseStack.pos; // we have to resume the old handler loop if: // - return value of the promise was `false` @@ -517,24 +491,25 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // FIXME: removing handlers from within a handler of the same sequence // is not supported atm (also true for sync handlers)!! if (promiseResult === false && handlerPos > -1) { - switch (this._parseStack.type) { - case 'CSI': + const handlers = this._parseStack.handlers; + switch (this._parseStack.state) { + case ParserStackType.CSI: for (; handlerPos >= 0; handlerPos--) { - if ((res = (handlers as CsiHandlerType[])[handlerPos](params)) !== false) { - if (res instanceof Promise) { + if ((handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params)) !== false) { + if (handlerResult instanceof Promise) { this._parseStack.handlerPos = handlerPos; - return res; + return handlerResult; } break; } } break; - case 'ESC': + case ParserStackType.ESC: for (; handlerPos >= 0; handlerPos--) { - if ((res = (handlers as EscHandlerType[])[handlerPos]()) !== false) { - if (res instanceof Promise) { + if ((handlerResult = (handlers as EscHandlerType[])[handlerPos]()) !== false) { + if (handlerResult instanceof Promise) { this._parseStack.handlerPos = handlerPos; - return res; + return handlerResult; } break; } @@ -543,20 +518,20 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } } // cleanup before continuing with the main loop + this._parseStack.state = ParserStackType.NONE; + start = this._parseStack.chunkPos + 1; this.precedingCodepoint = 0; - this._parseStack.paused = false; - start++; - currentState = transition & TableAccess.TRANSITION_STATE_MASK; + this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK; } - // console.log('startPos', start, length); + // continue with main sync loop // process input string for (let i = start; i < length; ++i) { code = data[i]; // normal transition & action lookup - transition = table[currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)]; + transition = this._transitions.table[this.currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)]; switch (transition >> TableAccess.TRANSITION_ACTION_SHIFT) { case ParserAction.PRINT: // read ahead with loop unrolling @@ -596,9 +571,9 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP { position: i, code, - currentState, - collect, - params, + currentState: this.currentState, + collect: this._collect, + params: this._params, abort: false }); if (inject.abort) return; @@ -606,19 +581,20 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; case ParserAction.CSI_DISPATCH: // Trigger CSI Handler - const handlers = this._csiHandlers[collect << 8 | code]; + const handlers = this._csiHandlers[this._collect << 8 | code]; let j = handlers ? handlers.length - 1 : -1; for (; j >= 0; j--) { - // undefined or true means success and to stop bubbling - if ((res = handlers[j](params)) === true) { + // true means success and to stop bubbling + // a promise indicates an async handler that needs to finish before progressing + if ((handlerResult = handlers[j](this._params)) === true) { break; - } else if (res instanceof Promise) { - this._preserveStack('CSI', handlers, j, transition, currentState, collect, i); - return res; + } else if (handlerResult instanceof Promise) { + this._preserveStack(ParserStackType.CSI, handlers, j, transition, i); + return handlerResult; } } if (j < 0) { - this._csiHandlerFb(collect << 8 | code, params); + this._csiHandlerFb(this._collect << 8 | code, this._params); } this.precedingCodepoint = 0; break; @@ -627,94 +603,89 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP do { switch (code) { case 0x3b: - params.addParam(0); // ZDM + this._params.addParam(0); // ZDM break; case 0x3a: - params.addSubParam(-1); + this._params.addSubParam(-1); break; default: // 0x30 - 0x39 - params.addDigit(code - 48); + this._params.addDigit(code - 48); } } while (++i < length && (code = data[i]) > 0x2f && code < 0x3c); i--; break; case ParserAction.COLLECT: - collect <<= 8; - collect |= code; + this._collect <<= 8; + this._collect |= code; break; case ParserAction.ESC_DISPATCH: - const handlersEsc = this._escHandlers[collect << 8 | code]; + const handlersEsc = this._escHandlers[this._collect << 8 | code]; let jj = handlersEsc ? handlersEsc.length - 1 : -1; for (; jj >= 0; jj--) { - // undefined or true means success and to stop bubbling - if ((res = handlersEsc[jj]()) === true) { + // true means success and to stop bubbling + // a promise indicates an async handler that needs to finish before progressing + if ((handlerResult = handlersEsc[jj]()) === true) { break; - } else if (res instanceof Promise) { - this._preserveStack('ESC', handlersEsc, jj, transition, currentState, collect, i); - return res; + } else if (handlerResult instanceof Promise) { + this._preserveStack(ParserStackType.ESC, handlersEsc, jj, transition, i); + return handlerResult; } } if (jj < 0) { - this._escHandlerFb(collect << 8 | code); + this._escHandlerFb(this._collect << 8 | code); } this.precedingCodepoint = 0; break; case ParserAction.CLEAR: - params.reset(); - params.addParam(0); // ZDM - collect = 0; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; break; case ParserAction.DCS_HOOK: - dcs.hook(collect << 8 | code, params); + this._dcsParser.hook(this._collect << 8 | code, this._params); break; case ParserAction.DCS_PUT: // inner loop - exit DCS_PUT: 0x18, 0x1a, 0x1b, 0x7f, 0x80 - 0x9f // unhook triggered by: 0x1b, 0x9c (success) and 0x18, 0x1a (abort) for (let j = i + 1; ; ++j) { if (j >= length || (code = data[j]) === 0x18 || code === 0x1a || code === 0x1b || (code > 0x7f && code < NON_ASCII_PRINTABLE)) { - dcs.put(data, i, j); + this._dcsParser.put(data, i, j); i = j - 1; break; } } break; case ParserAction.DCS_UNHOOK: - dcs.unhook(code !== 0x18 && code !== 0x1a); + this._dcsParser.unhook(code !== 0x18 && code !== 0x1a); if (code === 0x1b) transition |= ParserState.ESCAPE; - params.reset(); - params.addParam(0); // ZDM - collect = 0; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; this.precedingCodepoint = 0; break; case ParserAction.OSC_START: - osc.start(); + this._oscParser.start(); break; case ParserAction.OSC_PUT: // inner loop: 0x20 (SP) included, 0x7F (DEL) included for (let j = i + 1; ; j++) { if (j >= length || (code = data[j]) < 0x20 || (code > 0x7f && code < NON_ASCII_PRINTABLE)) { - osc.put(data, i, j); + this._oscParser.put(data, i, j); i = j - 1; break; } } break; case ParserAction.OSC_END: - osc.end(code !== 0x18 && code !== 0x1a); + this._oscParser.end(code !== 0x18 && code !== 0x1a); if (code === 0x1b) transition |= ParserState.ESCAPE; - params.reset(); - params.addParam(0); // ZDM - collect = 0; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; this.precedingCodepoint = 0; break; } - currentState = transition & TableAccess.TRANSITION_STATE_MASK; + this.currentState = transition & TableAccess.TRANSITION_STATE_MASK; } - - // save collected intermediates - this._collect = collect; - - // save state - this.currentState = currentState; } } diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index 9db38fbd..002fc8ed 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -5,6 +5,7 @@ import { IDisposable } from 'common/Types'; import { ParserState } from 'common/parser/Constants'; +import { OscParser } from 'common/parser/OscParser'; /** sequence params serialized to js arrays */ export type ParamsArray = (number | number[])[]; @@ -237,3 +238,22 @@ export interface IFunctionIdentifier { export interface IHandlerCollection { [key: string]: T[]; } + +/** + * Types for async parser support. + */ +export const enum ParserStackType { + NONE = 0, + CSI, + ESC, + OSC, + DCS +} +export type ResumableHandlersType = CsiHandlerType[] | EscHandlerType[]; +export interface IParserStackState { + state: ParserStackType; + handlers: ResumableHandlersType; + handlerPos: number; + transition: number; + chunkPos: number; +} From 68b7f885235b22d20de40c4085d9582070264b9e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Sun, 24 Jan 2021 17:09:16 +0100 Subject: [PATCH 07/36] async parser tests for CSI and ESC --- .../parser/EscapeSequenceParser.test.ts | 575 +++++++++++++++--- src/common/parser/EscapeSequenceParser.ts | 48 +- src/common/parser/Types.d.ts | 1 + 3 files changed, 523 insertions(+), 101 deletions(-) diff --git a/src/common/parser/EscapeSequenceParser.test.ts b/src/common/parser/EscapeSequenceParser.test.ts index f4ec5025..56d4c93e 100644 --- a/src/common/parser/EscapeSequenceParser.test.ts +++ b/src/common/parser/EscapeSequenceParser.test.ts @@ -3,7 +3,7 @@ * @license MIT */ -import { IParsingState, IParams, ParamsArray, IOscParser, IOscHandler, OscFallbackHandlerType, IFunctionIdentifier } from 'common/parser/Types'; +import { IParsingState, IParams, ParamsArray, IOscParser, IOscHandler, OscFallbackHandlerType, IFunctionIdentifier, IParserStackState, ParserStackType, ResumableHandlersType } from 'common/parser/Types'; import { EscapeSequenceParser, TransitionTable, VT500_TRANSITION_TABLE } from 'common/parser/EscapeSequenceParser'; import { assert } from 'chai'; import { StringToUtf32, stringFromCodePoint, utf32ToString } from 'common/input/TextDecoder'; @@ -24,7 +24,7 @@ function r(a: number, b: number): string[] { } class MockOscPutParser implements IOscParser { - private _fallback: OscFallbackHandlerType = () => {}; + private _fallback: OscFallbackHandlerType = () => { }; public data = ''; public reset(): void { this.data = ''; @@ -92,6 +92,21 @@ class TestEscapeSequenceParser extends EscapeSequenceParser { public identifier(id: IFunctionIdentifier): number { return this._identifier(id); } + public get parseStack(): IParserStackState { + return this._parseStack; + } + private _trackStack = false; + public trackStackSavesOnPause(): void { + this._trackStack = true; + } + public trackedStack: IParserStackState[] = []; + public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise { + const result = super.parse(data, length, promiseResult); + if (result && this._trackStack) { + this.trackedStack.push({ ...this.parseStack }); + } + return result; + } } // test object to collect parser actions and compare them with expected values @@ -1206,71 +1221,71 @@ describe('EscapeSequenceParser', () => { assert.equal(print, ''); }); it('ESC handler', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, function (): boolean { + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, function (): boolean { esc.push('%G'); return true; }); - parser2.registerEscHandler({final: 'E'}, function (): boolean { + parser2.registerEscHandler({ final: 'E' }, function (): boolean { esc.push('E'); return true; }); parse(parser2, INPUT); assert.deepEqual(esc, ['%G', 'E']); - parser2.clearEscHandler({intermediates: '%', final: 'G'}); - parser2.clearEscHandler({intermediates: '%', final: 'G'}); // should not throw + parser2.clearEscHandler({ intermediates: '%', final: 'G' }); + parser2.clearEscHandler({ intermediates: '%', final: 'G' }); // should not throw clearAccu(); parse(parser2, INPUT); assert.deepEqual(esc, ['E']); - parser2.clearEscHandler({final: 'E'}); + parser2.clearEscHandler({ final: 'E' }); clearAccu(); parse(parser2, INPUT); assert.deepEqual(esc, []); }); describe('ESC custom handlers', () => { it('prevent fallback', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('default - %G'); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('default - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom - %G'); return true; }); parse(parser2, INPUT); assert.deepEqual(esc, ['custom - %G']); }); it('allow fallback', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('default - %G'); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom - %G'); return false; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('default - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom - %G'); return false; }); parse(parser2, INPUT); assert.deepEqual(esc, ['custom - %G', 'default - %G']); }); it('Multiple custom handlers fallback once', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('default - %G'); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom - %G'); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom2 - %G'); return false; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('default - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom2 - %G'); return false; }); parse(parser2, INPUT); assert.deepEqual(esc, ['custom2 - %G', 'custom - %G']); }); it('Multiple custom handlers no fallback', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('default - %G'); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom - %G'); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom2 - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('default - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom2 - %G'); return true; }); parse(parser2, INPUT); assert.deepEqual(esc, ['custom2 - %G']); }); it('Execution order should go from latest handler down to the original', () => { const order: number[] = []; - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { order.push(1); return true; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { order.push(2); return false; }); - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { order.push(3); return false; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { order.push(1); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { order.push(2); return false; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { order.push(3); return false; }); parse(parser2, '\x1b%G'); assert.deepEqual(order, [3, 2, 1]); }); it('Dispose should work', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('default - %G'); return true; }); - const dispo = parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('default - %G'); return true; }); + const dispo = parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom - %G'); return true; }); dispo.dispose(); parse(parser2, INPUT); assert.deepEqual(esc, ['default - %G']); }); it('Should not corrupt the parser when dispose is called twice', () => { - parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('default - %G'); return true; }); - const dispo = parser2.registerEscHandler({intermediates: '%', final: 'G'}, () => { esc.push('custom - %G'); return true; }); + parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('default - %G'); return true; }); + const dispo = parser2.registerEscHandler({ intermediates: '%', final: 'G' }, () => { esc.push('custom - %G'); return true; }); dispo.dispose(); dispo.dispose(); parse(parser2, INPUT); @@ -1278,14 +1293,14 @@ describe('EscapeSequenceParser', () => { }); }); it('CSI handler', () => { - parser2.registerCsiHandler({final: 'm'}, function (params: IParams): boolean { + parser2.registerCsiHandler({ final: 'm' }, function (params: IParams): boolean { csi.push(['m', params.toArray(), '']); return true; }); parse(parser2, INPUT); assert.deepEqual(csi, [['m', [1, 31], ''], ['m', [0], '']]); - parser2.clearCsiHandler({final: 'm'}); - parser2.clearCsiHandler({final: 'm'}); // should not throw + parser2.clearCsiHandler({ final: 'm' }); + parser2.clearCsiHandler({ final: 'm' }); // should not throw clearAccu(); parse(parser2, INPUT); assert.deepEqual(csi, []); @@ -1293,16 +1308,16 @@ describe('EscapeSequenceParser', () => { describe('CSI custom handlers', () => { it('Prevent fallback', () => { const csiCustom: [string, ParamsArray, string][] = []; - parser2.registerCsiHandler({final: 'm'}, params => { csi.push(['m', params.toArray(), '']); return true; }); - parser2.registerCsiHandler({final: 'm'}, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csi.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); parse(parser2, INPUT); assert.deepEqual(csi, [], 'Should not fallback to original handler'); assert.deepEqual(csiCustom, [['m', [1, 31], ''], ['m', [0], '']]); }); it('Allow fallback', () => { const csiCustom: [string, ParamsArray, string][] = []; - parser2.registerCsiHandler({final: 'm'}, params => { csi.push(['m', params.toArray(), '']); return true; }); - parser2.registerCsiHandler({final: 'm'}, params => { csiCustom.push(['m', params.toArray(), '']); return false; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csi.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom.push(['m', params.toArray(), '']); return false; }); parse(parser2, INPUT); assert.deepEqual(csi, [['m', [1, 31], ''], ['m', [0], '']], 'Should fallback to original handler'); assert.deepEqual(csiCustom, [['m', [1, 31], ''], ['m', [0], '']]); @@ -1310,9 +1325,9 @@ describe('EscapeSequenceParser', () => { it('Multiple custom handlers fallback once', () => { const csiCustom: [string, ParamsArray, string][] = []; const csiCustom2: [string, ParamsArray, string][] = []; - parser2.registerCsiHandler({final: 'm'}, params => { csi.push(['m', params.toArray(), '']); return true; }); - parser2.registerCsiHandler({final: 'm'}, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); - parser2.registerCsiHandler({final: 'm'}, params => { csiCustom2.push(['m', params.toArray(), '']); return false; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csi.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom2.push(['m', params.toArray(), '']); return false; }); parse(parser2, INPUT); assert.deepEqual(csi, [], 'Should not fallback to original handler'); assert.deepEqual(csiCustom, [['m', [1, 31], ''], ['m', [0], '']]); @@ -1321,9 +1336,9 @@ describe('EscapeSequenceParser', () => { it('Multiple custom handlers no fallback', () => { const csiCustom: [string, ParamsArray, string][] = []; const csiCustom2: [string, ParamsArray, string][] = []; - parser2.registerCsiHandler({final: 'm'}, params => { csi.push(['m', params.toArray(), '']); return true; }); - parser2.registerCsiHandler({final: 'm'}, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); - parser2.registerCsiHandler({final: 'm'}, params => { csiCustom2.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csi.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom2.push(['m', params.toArray(), '']); return true; }); parse(parser2, INPUT); assert.deepEqual(csi, [], 'Should not fallback to original handler'); assert.deepEqual(csiCustom, [], 'Should not fallback once'); @@ -1331,16 +1346,16 @@ describe('EscapeSequenceParser', () => { }); it('Execution order should go from latest handler down to the original', () => { const order: number[] = []; - parser2.registerCsiHandler({final: 'm'}, () => { order.push(1); return true; }); - parser2.registerCsiHandler({final: 'm'}, () => { order.push(2); return false; }); - parser2.registerCsiHandler({final: 'm'}, () => { order.push(3); return false; }); + parser2.registerCsiHandler({ final: 'm' }, () => { order.push(1); return true; }); + parser2.registerCsiHandler({ final: 'm' }, () => { order.push(2); return false; }); + parser2.registerCsiHandler({ final: 'm' }, () => { order.push(3); return false; }); parse(parser2, '\x1b[0m'); assert.deepEqual(order, [3, 2, 1]); }); it('Dispose should work', () => { const csiCustom: [string, ParamsArray, string][] = []; - parser2.registerCsiHandler({final: 'm'}, params => { csi.push(['m', params.toArray(), '']); return true; }); - const customHandler = parser2.registerCsiHandler({final: 'm'}, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csi.push(['m', params.toArray(), '']); return true; }); + const customHandler = parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); customHandler.dispose(); parse(parser2, INPUT); assert.deepEqual(csi, [['m', [1, 31], ''], ['m', [0], '']]); @@ -1348,8 +1363,8 @@ describe('EscapeSequenceParser', () => { }); it('Should not corrupt the parser when dispose is called twice', () => { const csiCustom: [string, ParamsArray, string][] = []; - parser2.registerCsiHandler({final: 'm'}, params => { csi.push(['m', params.toArray(), '']); return true; }); - const customHandler = parser2.registerCsiHandler({final: 'm'}, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); + parser2.registerCsiHandler({ final: 'm' }, params => { csi.push(['m', params.toArray(), '']); return true; }); + const customHandler = parser2.registerCsiHandler({ final: 'm' }, params => { csiCustom.push(['m', params.toArray(), '']); return true; }); customHandler.dispose(); customHandler.dispose(); parse(parser2, INPUT); @@ -1455,7 +1470,7 @@ describe('EscapeSequenceParser', () => { }); }); it('DCS handler', () => { - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, { + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, { hook: function (params: IParams): void { dcs.push(['hook', '', params.toArray(), 0]); }, @@ -1478,8 +1493,8 @@ describe('EscapeSequenceParser', () => { ['put', 'abc'], ['put', ';de'], ['unhook'] ]); - parser2.clearDcsHandler({intermediates: '+', final: 'p'}); - parser2.clearDcsHandler({intermediates: '+', final: 'p'}); // should not throw + parser2.clearDcsHandler({ intermediates: '+', final: 'p' }); + parser2.clearDcsHandler({ intermediates: '+', final: 'p' }); // should not throw clearAccu(); parse(parser2, '\x1bP1;2;3+pabc'); parse(parser2, ';de\x9c'); @@ -1489,54 +1504,54 @@ describe('EscapeSequenceParser', () => { const DCS_INPUT = '\x1bP1;2;3+pabc\x1b\\'; it('Prevent fallback', () => { const dcsCustom: [string, (number | number[])[], string][] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); parse(parser2, DCS_INPUT); assert.deepEqual(dcsCustom, [['B', [1, 2, 3], 'abc']]); }); it('Allow fallback', () => { const dcsCustom: [string, (number | number[])[], string][] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return false; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return false; })); parse(parser2, DCS_INPUT); assert.deepEqual(dcsCustom, [['B', [1, 2, 3], 'abc'], ['A', [1, 2, 3], 'abc']]); }); it('Multiple custom handlers fallback once', () => { const dcsCustom: [string, (number | number[])[], string][] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['C', params.toArray(), data]); return false; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['C', params.toArray(), data]); return false; })); parse(parser2, DCS_INPUT); assert.deepEqual(dcsCustom, [['C', [1, 2, 3], 'abc'], ['B', [1, 2, 3], 'abc']]); }); it('Multiple custom handlers no fallback', () => { const dcsCustom: [string, (number | number[])[], string][] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['C', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['C', params.toArray(), data]); return true; })); parse(parser2, DCS_INPUT); assert.deepEqual(dcsCustom, [['C', [1, 2, 3], 'abc']]); }); it('Execution order should go from latest handler down to the original', () => { const order: number[] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler(() => { order.push(1); return true; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler(() => { order.push(2); return false; })); - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler(() => { order.push(3); return false; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler(() => { order.push(1); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler(() => { order.push(2); return false; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler(() => { order.push(3); return false; })); parse(parser2, DCS_INPUT); assert.deepEqual(order, [3, 2, 1]); }); it('Dispose should work', () => { const dcsCustom: [string, (number | number[])[], string][] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); - const dispo = parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); + const dispo = parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); dispo.dispose(); parse(parser2, DCS_INPUT); assert.deepEqual(dcsCustom, [['A', [1, 2, 3], 'abc']]); }); it('Should not corrupt the parser when dispose is called twice', () => { const dcsCustom: [string, (number | number[])[], string][] = []; - parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); - const dispo = parser2.registerDcsHandler({intermediates: '+', final: 'p'}, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); + parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['A', params.toArray(), data]); return true; })); + const dispo = parser2.registerDcsHandler({ intermediates: '+', final: 'p' }, new DcsHandler((data, params) => { dcsCustom.push(['B', params.toArray(), data]); return true; })); dispo.dispose(); dispo.dispose(); parse(parser2, DCS_INPUT); @@ -1570,54 +1585,54 @@ describe('EscapeSequenceParser', () => { it('prefix range 0x3c .. 0x3f, one byte', () => { for (let i = 0x3c; i <= 0x3f; ++i) { const c = String.fromCharCode(i); - assert.equal(parser.identToString(parser.identifier({prefix: c, final: 'z'})), c + 'z'); + assert.equal(parser.identToString(parser.identifier({ prefix: c, final: 'z' })), c + 'z'); } - assert.throws(() => { parser.identifier({prefix: '\x3b', final: 'z'}); }, 'prefix must be in range 0x3c .. 0x3f'); - assert.throws(() => { parser.identifier({prefix: '\x40', final: 'z'}); }, 'prefix must be in range 0x3c .. 0x3f'); - assert.throws(() => { parser.identifier({prefix: '??', final: 'z'}); }, 'only one byte as prefix supported'); + assert.throws(() => { parser.identifier({ prefix: '\x3b', final: 'z' }); }, 'prefix must be in range 0x3c .. 0x3f'); + assert.throws(() => { parser.identifier({ prefix: '\x40', final: 'z' }); }, 'prefix must be in range 0x3c .. 0x3f'); + assert.throws(() => { parser.identifier({ prefix: '??', final: 'z' }); }, 'only one byte as prefix supported'); }); it('intermediates range 0x20 .. 0x2f, up to two bytes', () => { for (let i = 0x20; i <= 0x2f; ++i) { const c = String.fromCharCode(i); - assert.equal(parser.identToString(parser.identifier({intermediates: c + c, final: 'z'})), c + c + 'z'); + assert.equal(parser.identToString(parser.identifier({ intermediates: c + c, final: 'z' })), c + c + 'z'); } - assert.throws(() => { parser.identifier({intermediates: '\x1f', final: 'z'}); }, 'intermediate must be in range 0x20 .. 0x2f'); - assert.throws(() => { parser.identifier({intermediates: '\x30', final: 'z'}); }, 'intermediate must be in range 0x20 .. 0x2f'); - assert.throws(() => { parser.identifier({intermediates: '!!!', final: 'z'}); }, 'only two bytes as intermediates are supported'); + assert.throws(() => { parser.identifier({ intermediates: '\x1f', final: 'z' }); }, 'intermediate must be in range 0x20 .. 0x2f'); + assert.throws(() => { parser.identifier({ intermediates: '\x30', final: 'z' }); }, 'intermediate must be in range 0x20 .. 0x2f'); + assert.throws(() => { parser.identifier({ intermediates: '!!!', final: 'z' }); }, 'only two bytes as intermediates are supported'); }); it('final CSI/DCS range 0x40 .. 0x7e (default), one byte', () => { for (let i = 0x40; i <= 0x7e; ++i) { const c = String.fromCharCode(i); - assert.equal(parser.identToString(parser.identifier({final: c})), c); + assert.equal(parser.identToString(parser.identifier({ final: c })), c); } - assert.throws(() => { parser.identifier({final: '\x3f'}); }, 'final must be in range 64 .. 126'); - assert.throws(() => { parser.identifier({final: '\x7f'}); }, 'final must be in range 64 .. 126'); - assert.throws(() => { parser.identifier({final: 'zz'}); }, 'final must be a single byte'); + assert.throws(() => { parser.identifier({ final: '\x3f' }); }, 'final must be in range 64 .. 126'); + assert.throws(() => { parser.identifier({ final: '\x7f' }); }, 'final must be in range 64 .. 126'); + assert.throws(() => { parser.identifier({ final: 'zz' }); }, 'final must be a single byte'); }); it('final ESC range 0x30 .. 0x7e, one byte', () => { for (let i = 0x30; i <= 0x7e; ++i) { const final = String.fromCharCode(i); let handler: IDisposable | undefined; - assert.doesNotThrow(() => { handler = parser.registerEscHandler({final}, () => true); }, 'final must be in range 48 .. 126'); + assert.doesNotThrow(() => { handler = parser.registerEscHandler({ final }, () => true); }, 'final must be in range 48 .. 126'); if (handler) handler.dispose(); } - assert.throws(() => { parser.registerEscHandler({final: '\x2f'}, () => true); }, 'final must be in range 48 .. 126'); - assert.throws(() => { parser.registerEscHandler({final: '\x7f'}, () => true); }, 'final must be in range 48 .. 126'); + assert.throws(() => { parser.registerEscHandler({ final: '\x2f' }, () => true); }, 'final must be in range 48 .. 126'); + assert.throws(() => { parser.registerEscHandler({ final: '\x7f' }, () => true); }, 'final must be in range 48 .. 126'); }); it('id calculation - should stacking prefix -> intermediate -> final', () => { - assert.equal(parser.identToString(parser.identifier({final: 'z'})), 'z'); - assert.equal(parser.identToString(parser.identifier({prefix: '?', final: 'z'})), '?z'); - assert.equal(parser.identToString(parser.identifier({intermediates: '!', final: 'z'})), '!z'); - assert.equal(parser.identToString(parser.identifier({prefix: '?', intermediates: '!', final: 'z'})), '?!z'); - assert.equal(parser.identToString(parser.identifier({prefix: '?', intermediates: '!!', final: 'z'})), '?!!z'); + assert.equal(parser.identToString(parser.identifier({ final: 'z' })), 'z'); + assert.equal(parser.identToString(parser.identifier({ prefix: '?', final: 'z' })), '?z'); + assert.equal(parser.identToString(parser.identifier({ intermediates: '!', final: 'z' })), '!z'); + assert.equal(parser.identToString(parser.identifier({ prefix: '?', intermediates: '!', final: 'z' })), '?!z'); + assert.equal(parser.identToString(parser.identifier({ prefix: '?', intermediates: '!!', final: 'z' })), '?!!z'); }); }); describe('identifier invocation', () => { it('ESC', () => { const callstack: string[] = []; - const h1 = parser.registerEscHandler({final: 'z'}, () => { callstack.push('z'); return true; }); - const h2 = parser.registerEscHandler({intermediates: '!', final: 'z'}, () => { callstack.push('!z'); return true; }); - const h3 = parser.registerEscHandler({intermediates: '!!', final: 'z'}, () => { callstack.push('!!z'); return true; }); + const h1 = parser.registerEscHandler({ final: 'z' }, () => { callstack.push('z'); return true; }); + const h2 = parser.registerEscHandler({ intermediates: '!', final: 'z' }, () => { callstack.push('!z'); return true; }); + const h3 = parser.registerEscHandler({ intermediates: '!!', final: 'z' }, () => { callstack.push('!!z'); return true; }); parse(parser, '\x1bz\x1b!z\x1b!!z'); h1.dispose(); h2.dispose(); @@ -1627,12 +1642,12 @@ describe('EscapeSequenceParser', () => { }); it('CSI', () => { const callstack: any[] = []; - const h1 = parser.registerCsiHandler({final: 'z'}, params => { callstack.push(['z', params.toArray()]); return true; }); - const h2 = parser.registerCsiHandler({intermediates: '!', final: 'z'}, params => { callstack.push(['!z', params.toArray()]); return true; }); - const h3 = parser.registerCsiHandler({intermediates: '!!', final: 'z'}, params => { callstack.push(['!!z', params.toArray()]); return true; }); - const h4 = parser.registerCsiHandler({prefix: '?', final: 'z'}, params => { callstack.push(['?z', params.toArray()]); return true; }); - const h5 = parser.registerCsiHandler({prefix: '?', intermediates: '!', final: 'z'}, params => { callstack.push(['?!z', params.toArray()]); return true; }); - const h6 = parser.registerCsiHandler({prefix: '?', intermediates: '!!', final: 'z'}, params => { callstack.push(['?!!z', params.toArray()]); return true; }); + const h1 = parser.registerCsiHandler({ final: 'z' }, params => { callstack.push(['z', params.toArray()]); return true; }); + const h2 = parser.registerCsiHandler({ intermediates: '!', final: 'z' }, params => { callstack.push(['!z', params.toArray()]); return true; }); + const h3 = parser.registerCsiHandler({ intermediates: '!!', final: 'z' }, params => { callstack.push(['!!z', params.toArray()]); return true; }); + const h4 = parser.registerCsiHandler({ prefix: '?', final: 'z' }, params => { callstack.push(['?z', params.toArray()]); return true; }); + const h5 = parser.registerCsiHandler({ prefix: '?', intermediates: '!', final: 'z' }, params => { callstack.push(['?!z', params.toArray()]); return true; }); + const h6 = parser.registerCsiHandler({ prefix: '?', intermediates: '!!', final: 'z' }, params => { callstack.push(['?!!z', params.toArray()]); return true; }); parse(parser, '\x1b[1;z\x1b[1;!z\x1b[1;!!z\x1b[?1;z\x1b[?1;!z\x1b[?1;!!z'); h1.dispose(); h2.dispose(); @@ -1648,12 +1663,12 @@ describe('EscapeSequenceParser', () => { }); it('DCS', () => { const callstack: any[] = []; - const h1 = parser.registerDcsHandler({final: 'z'}, new DcsHandler((data, params) => { callstack.push(['z', params.toArray(), data]); return true; })); - const h2 = parser.registerDcsHandler({intermediates: '!', final: 'z'}, new DcsHandler((data, params) => { callstack.push(['!z', params.toArray(), data]); return true; })); - const h3 = parser.registerDcsHandler({intermediates: '!!', final: 'z'}, new DcsHandler((data, params) => { callstack.push(['!!z', params.toArray(), data]); return true; })); - const h4 = parser.registerDcsHandler({prefix: '?', final: 'z'}, new DcsHandler((data, params) => { callstack.push(['?z', params.toArray(), data]); return true; })); - const h5 = parser.registerDcsHandler({prefix: '?', intermediates: '!', final: 'z'}, new DcsHandler((data, params) => { callstack.push(['?!z', params.toArray(), data]); return true; })); - const h6 = parser.registerDcsHandler({prefix: '?', intermediates: '!!', final: 'z'}, new DcsHandler((data, params) => { callstack.push(['?!!z', params.toArray(), data]); return true; })); + const h1 = parser.registerDcsHandler({ final: 'z' }, new DcsHandler((data, params) => { callstack.push(['z', params.toArray(), data]); return true; })); + const h2 = parser.registerDcsHandler({ intermediates: '!', final: 'z' }, new DcsHandler((data, params) => { callstack.push(['!z', params.toArray(), data]); return true; })); + const h3 = parser.registerDcsHandler({ intermediates: '!!', final: 'z' }, new DcsHandler((data, params) => { callstack.push(['!!z', params.toArray(), data]); return true; })); + const h4 = parser.registerDcsHandler({ prefix: '?', final: 'z' }, new DcsHandler((data, params) => { callstack.push(['?z', params.toArray(), data]); return true; })); + const h5 = parser.registerDcsHandler({ prefix: '?', intermediates: '!', final: 'z' }, new DcsHandler((data, params) => { callstack.push(['?!z', params.toArray(), data]); return true; })); + const h6 = parser.registerDcsHandler({ prefix: '?', intermediates: '!!', final: 'z' }, new DcsHandler((data, params) => { callstack.push(['?!!z', params.toArray(), data]); return true; })); parse(parser, '\x1bP1;zAB\x1b\\\x1bP1;!zAB\x1b\\\x1bP1;!!zAB\x1b\\\x1bP?1;zAB\x1b\\\x1bP?1;!zAB\x1b\\\x1bP?1;!!zAB\x1b\\'); h1.dispose(); h2.dispose(); @@ -1678,3 +1693,365 @@ describe('EscapeSequenceParser', () => { }); // TODO: error conditions and error recovery (not implemented yet in parser) }); + + +/** + * async handler tests. + */ + +function parseSync(parser: TestEscapeSequenceParser, data: string): void | Promise { + const container = new Uint32Array(data.length); + const decoder = new StringToUtf32(); + return parser.parse(container, decoder.decode(data, container)); +} +async function parseP(parser: TestEscapeSequenceParser, data: string): Promise { + const container = new Uint32Array(data.length); + const decoder = new StringToUtf32(); + const len = decoder.decode(data, container); + let result: void | Promise; + let prev: boolean | undefined; + while (result = parser.parse(container, len, prev)) { + prev = await result; + } +} +function evalStackSaves(stackSaves: IParserStackState[], data: [number, ParserStackType, number][]): void { + assert.equal(stackSaves.length, data.length); + for (let i = 0; i < data.length; ++i) { + assert.equal(stackSaves[i].chunkPos, data[i][0]); + assert.equal(stackSaves[i].state, data[i][1]); + assert.equal(stackSaves[i].handlerPos, data[i][2]); + } +} +// helper similiar to assert.throws for async functions +async function throwsAsync(fn: () => Promise, message?: string | undefined): Promise { + let msg: string | undefined; + try { + await fn(); + } catch (e) { + if (e instanceof Error) { + msg = e.message; + } else if (typeof e === 'string') { + msg = e; + } + if (typeof message === 'string') { + assert.equal(msg, message); + } + return; + } + assert.throws(fn, message); +} + +describe('EscapeSequenceParser - async', () => { + // sequences: SGR 1;31 | hello SP | ESC %G | wor | ESC E | ld! | SGR 0 | EXE \r\n | $> | OSC 1;foo=bar ST + // needed handlers: CSI m, PRINT, ESC %G, ESC E, EXE \r, EXE \n, OSC 1 + const INPUT = '\x1b[1;31mhello \x1b%Gwor\x1bEld!\x1b[0m\r\n$>\x1b]1;foo=bar\x1b\\'; + let RESULT: any[]; + let parser: TestEscapeSequenceParser; + const callstack: any[] = []; + function clearAccu(): void { + callstack.length = 0; + parser.trackedStack.length = 0; + } + beforeEach(() => { + RESULT = [ + ['SGR', [1, 31]], + ['PRINT', 'hello '], + ['ESC %G'], + ['PRINT', 'wor'], + ['ESC E'], + ['PRINT', 'ld!'], + ['SGR', [0]], + ['EXE \r'], + ['EXE \n'], + ['PRINT', '$>'], + ['OSC 1', 'foo=bar'] + ]; + parser = new TestEscapeSequenceParser(); + parser.reset(); + parser.trackStackSavesOnPause(); + clearAccu(); + }); + describe('sync handlers should behave as before', () => { + beforeEach(() => { + parser.setPrintHandler((data, start, end) => { + let result = ''; + for (let i = start; i < end; ++i) { + result += stringFromCodePoint(data[i]); + } + callstack.push(['PRINT', result]); + }); + parser.registerCsiHandler({ final: 'm' }, params => { callstack.push(['SGR', params.toArray()]); return true; }); + parser.registerEscHandler({ intermediates: '%', final: 'G' }, () => { callstack.push(['ESC %G']); return true; }); + parser.registerEscHandler({ final: 'E' }, () => { callstack.push(['ESC E']); return true; }); + parser.setExecuteHandler('\r', () => { callstack.push(['EXE \r']); return true; }); + parser.setExecuteHandler('\n', () => { callstack.push(['EXE \n']); return true; }); + parser.registerOscHandler(1, new OscHandler(data => { callstack.push(['OSC 1', data]); return true; })); + }); + + it('sync handlers keep parsed in sync mode', () => { + // note: if we have only sync handlers, a parse call should never return anything + assert.equal(!parseSync(parser, INPUT), true); + assert.equal(parser.parseStack.state, ParserStackType.NONE); // not paused + assert.equal(parser.trackedStack.length, 0); // never got paused + }); + it('correct result on sync parse call', () => { + parseSync(parser, INPUT); + assert.deepEqual(callstack, RESULT); + assert.equal(parser.trackedStack.length, 0); + }); + it('correct result on async parse call', async () => { + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT); + assert.equal(parser.trackedStack.length, 0); + }); + }); + describe('async handlers', () => { + beforeEach(() => { + parser.setPrintHandler((data, start, end) => { + let result = ''; + for (let i = start; i < end; ++i) { + result += stringFromCodePoint(data[i]); + } + callstack.push(['PRINT', result]); + }); + parser.registerCsiHandler({ final: 'm' }, async params => { callstack.push(['SGR', params.toArray()]); return true; }); + parser.registerEscHandler({ intermediates: '%', final: 'G' }, async () => { callstack.push(['ESC %G']); return true; }); + parser.registerEscHandler({ final: 'E' }, async () => { callstack.push(['ESC E']); return true; }); + parser.setExecuteHandler('\r', () => { callstack.push(['EXE \r']); return true; }); + parser.setExecuteHandler('\n', () => { callstack.push(['EXE \n']); return true; }); + parser.registerOscHandler(1, new OscHandler(data => { callstack.push(['OSC 1', data]); return true; })); + }); + + it('sync parse call does not work anymore', () => { + assert.notEqual(!parseSync(parser, INPUT), true); + assert.notDeepEqual(callstack, RESULT); + // due to sync calling we should save exactly one saved stack + // proper continuation is not possible anymore, as we lost the promise resolve value + assert.equal(parser.trackedStack.length, 1); + }); + it('improper continuation should throw', async () => { + /** + * Explanation: + * The first sync call will stop at the first promise returned, + * but does not await its resolve value. + * The second sync call to parse will fail due to missing `promiseResult`, + * which is needed for correct continuation. + */ + assert.notEqual(!parseSync(parser, INPUT), true); + assert.notDeepEqual(callstack, RESULT); + assert.throws(() => parseSync(parser, INPUT), 'improper continuation due to previous async handler, giving up parsing'); + // keeps being broken for further parse calls (sync and async) + assert.throws(() => parseSync(parser, 'random'), 'improper continuation due to previous async handler, giving up parsing'); + await throwsAsync(() => parseP(parser, 'foobar'), 'improper continuation due to previous async handler, giving up parsing'); + // FIXME: come up with a good recovery strategy + }); + it('correct result on awaited parse call', async () => { + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], [27, ParserStackType.CSI, 0] + ]); + }); + it('correct result on chunked awaited parse calls', async () => { + RESULT = [ + ['SGR', [1, 31]], + ['PRINT', 'h'], // due to single char input PRINT is split + ['PRINT', 'e'], + ['PRINT', 'l'], + ['PRINT', 'l'], + ['PRINT', 'o'], + ['PRINT', ' '], + ['ESC %G'], + ['PRINT', 'w'], + ['PRINT', 'o'], + ['PRINT', 'r'], + ['ESC E'], + ['PRINT', 'l'], + ['PRINT', 'd'], + ['PRINT', '!'], + ['SGR', [0]], + ['EXE \r'], + ['EXE \n'], + ['PRINT', '$'], + ['PRINT', '>'], + ['OSC 1', 'foo=bar'] + ]; + + // split to single char input + for (let i = 0; i < INPUT.length; ++i) { + // Note: a single fully awaited parse call always ends in sync mode, + // which re-enables faster sync processing in the higher up callstack + await parseP(parser, INPUT[i]); + } + assert.deepEqual(callstack, RESULT); + evalStackSaves(parser.trackedStack, [ + [0, ParserStackType.CSI, 0], + [0, ParserStackType.ESC, 0], + [0, ParserStackType.ESC, 0], + [0, ParserStackType.CSI, 0] + ]); + }); + it('multiple async SGR handlers', async () => { + // register with fallback + const SGR2 = parser.registerCsiHandler({ final: 'm' }, async params => { callstack.push(['2# SGR', params.toArray()]); return false; }); + await parseP(parser, INPUT); + // should contain [2# SGR, SGR] call pairs + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# SGR') assert.equal(callstack[i + 1][0], 'SGR', 'Should fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 1], + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 1], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + SGR2.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + + // register without fallback + const SGR22 = parser.registerCsiHandler({ final: 'm' }, async params => { callstack.push(['2# SGR', params.toArray()]); return true; }); + await parseP(parser, INPUT); + // should only contain 2# SGR + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# SGR') assert.notEqual(callstack[i + 1][0], 'SGR', 'Should not fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 1], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 1] + ]); + clearAccu(); + // after dispose we should be back to RESULT + SGR22.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0] + ]); + }); + it('multiple async ESC handlers', async () => { + // register with fallback + const ESC2 = parser.registerEscHandler({ final: 'E' }, async () => { callstack.push(['2# ESC E']); return false; }); + await parseP(parser, INPUT); + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# ESC E') assert.equal(callstack[i + 1][0], 'ESC E', 'Should fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 1], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + ESC2.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + + // register without fallback + const ESC22 = parser.registerEscHandler({ final: 'E' }, async () => { callstack.push(['2# ESC E']); return true; }); + await parseP(parser, INPUT); + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# ESC E') assert.notEqual(callstack[i + 1][0], 'ESC E', 'Should not fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 1], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + ESC22.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0] + ]); + }); + it('sync/async SGR mixed', async () => { + // sync with fallback + const SGR2 = parser.registerCsiHandler({ final: 'm' }, params => { callstack.push(['2# SGR', params.toArray()]); return false; }); + // async with fallback + const SGR3 = parser.registerCsiHandler({ final: 'm' }, async params => { callstack.push(['3# SGR', params.toArray()]); return false; }); + await parseP(parser, INPUT); + // should contain [3# SGR, 2# SGR, SGR] call triples + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '3# SGR') { + assert.equal(callstack[i + 1][0], '2# SGR', 'Should fallback to next handler'); + assert.equal(callstack[i + 2][0], 'SGR', 'Should fallback to original handler'); + } + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 2], + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 2], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + // dispose SGR2 (sync one) + SGR2.dispose(); + await parseP(parser, INPUT); + // should contain [3# SGR, SGR] call pairs + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '3# SGR') { + assert.equal(callstack[i + 1][0], 'SGR', 'Should fallback to original handler'); + } + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 1], + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 1], + [27, ParserStackType.CSI, 0] + ]); + clearAccu(); + // dispose SGR3 (async one) + SGR3.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0] + ]); + }); + }); +}); diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index e56655ae..1ac1a22b 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -440,14 +440,14 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP /** * Async parse support. */ - private _parseStack: IParserStackState = { + protected _parseStack: IParserStackState = { state: ParserStackType.NONE, handlers: [], handlerPos: 0, transition: 0, chunkPos: 0 }; - private _preserveStack( + protected _preserveStack( state: ParserStackType, handlers: ResumableHandlersType, handlerPos: number, @@ -474,6 +474,39 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP * - DCS_PARAM:PARAM * - OSC_STRING:OSC_PUT * - DCS_PASSTHROUGH:DCS_PUT + * + * Note on asynchronous handler support: + * Any handler returning a promise will be treated as asynchronous. + * To keep the in-band blocking working for async handlers, `parse` pauses execution, + * creates a stack save and returns the promise to the caller. + * For proper continuation of the paused state it is important + * to await the promise resolving. On resolve the parse must be repeated + * with the same chunk of data and the resolved value in `promiseResult` + * until no promise is returned. + * + * Important: With only sync handlers defined, parsing is completely synchronous as well. + * As soon as an async handler is involved, synchronous parsing is not possible anymore. + * + * FIXME: to be discussed + * While awaiting parse promises the terminal buffer state may not change. + * --> Implement lock semantics / promise chaining on buffer alterations? Waah, pandora's box ;) + * --> Maybe easier: Give up on non-mutating rule for async handlers... + * (needs explanation in docs about exact executor/thenable/worker execution contexts) + * + * Example for proper parsing of multiple chunks: + * + * ```typescript + * async function parseMultipleChunks(chunks: Uint32Array[]): Promise { + * for (const chunk of chunks) { + * let result: void | Promise; + * let prev: boolean | undefined; + * while (result = parser.parse(chunk, chunk.length, prev)) { + * prev = await result; + * } + * } + * // finished parsing all chunks... + * } + * ``` */ public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise { let code = 0; @@ -483,6 +516,17 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // resume from async handler if (this._parseStack.state) { + if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) { + /** + * Reject further parsing on improper continuation after pausing. + * This will happen with sync parse calls not awaiting a returned promise. + * It is a really bad condition with screwed up execution order, + * therefore we exit hard with an exception. + * FIXME: Do we need a method to escape from this broken parser state? (hard to achieve properly) + */ + this._parseStack.state = ParserStackType.FAIL; + throw new Error('improper continuation due to previous async handler, giving up parsing'); + } let handlerPos = this._parseStack.handlerPos - 1; // we have to resume the old handler loop if: diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index 002fc8ed..f6db77fa 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -244,6 +244,7 @@ export interface IHandlerCollection { */ export const enum ParserStackType { NONE = 0, + FAIL, CSI, ESC, OSC, From d59f4d2f6f6da9fe862e52e0152b8d87583d4b9c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Mon, 8 Feb 2021 01:53:59 +0100 Subject: [PATCH 08/36] async impl for DCS, DcsParser tests --- src/common/parser/DcsParser.test.ts | 205 ++++++++++++++++++++++ src/common/parser/DcsParser.ts | 63 +++++-- src/common/parser/EscapeSequenceParser.ts | 45 +++-- src/common/parser/Types.d.ts | 6 +- 4 files changed, 289 insertions(+), 30 deletions(-) diff --git a/src/common/parser/DcsParser.test.ts b/src/common/parser/DcsParser.test.ts index cf174139..096ebb58 100644 --- a/src/common/parser/DcsParser.test.ts +++ b/src/common/parser/DcsParser.test.ts @@ -252,3 +252,208 @@ describe('DcsParser', () => { }); }); }); + + +class TestHandlerAsync implements IDcsHandler { + constructor(public output: any[], public msg: string, public returnFalse: boolean = false) {} + public hook(params: IParams): void { + this.output.push([this.msg, 'HOOK', params.toArray()]); + } + public put(data: Uint32Array, start: number, end: number): void { + this.output.push([this.msg, 'PUT', utf32ToString(data, start, end)]); + } + public async unhook(success: boolean): Promise { + // simple sleep to check in tests whether ordering gets messed up + await new Promise(res => setTimeout(res, 20)); + this.output.push([this.msg, 'UNHOOK', success]); + if (this.returnFalse) { + return false; + } + return true; + } +} +async function unhookP(parser: DcsParser, success: boolean): Promise { + let result: void | Promise; + let prev: boolean | undefined; + while (result = parser.unhook(success, prev)) { + prev = await result; + } +} + + +describe('DcsParser - async tests', () => { + let parser: DcsParser; + let reports: any[] = []; + beforeEach(() => { + reports = []; + parser = new DcsParser(); + parser.setHandlerFallback((id, action, data) => { + if (action === 'HOOK') { + data = data.toArray(); + } + reports.push([id, action, data]); + }); + }); + describe('sync and async mixed', () => { + describe('sync | async | sync', () => { + it('first should run, cleanup action for others', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandler(reports, 's1', false)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandlerAsync(reports, 'a1', false)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandler(reports, 's2', false)); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['s2', 'HOOK', [1, 2, 3]], + ['a1', 'HOOK', [1, 2, 3]], + ['s1', 'HOOK', [1, 2, 3]], + ['s2', 'PUT', 'Here comes'], + ['a1', 'PUT', 'Here comes'], + ['s1', 'PUT', 'Here comes'], + ['s2', 'PUT', 'the mouse!'], + ['a1', 'PUT', 'the mouse!'], + ['s1', 'PUT', 'the mouse!'], + ['s2', 'UNHOOK', true], + ['a1', 'UNHOOK', false], // important: a1 before s1 + ['s1', 'UNHOOK', false] + ]); + }); + it('all should run', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandler(reports, 's1', true)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandlerAsync(reports, 'a1', true)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandler(reports, 's2', true)); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['s2', 'HOOK', [1, 2, 3]], + ['a1', 'HOOK', [1, 2, 3]], + ['s1', 'HOOK', [1, 2, 3]], + ['s2', 'PUT', 'Here comes'], + ['a1', 'PUT', 'Here comes'], + ['s1', 'PUT', 'Here comes'], + ['s2', 'PUT', 'the mouse!'], + ['a1', 'PUT', 'the mouse!'], + ['s1', 'PUT', 'the mouse!'], + ['s2', 'UNHOOK', true], + ['a1', 'UNHOOK', true], // important: a1 before s1 + ['s1', 'UNHOOK', true] + ]); + }); + }); + describe('async | sync | async', () => { + it('first should run, cleanup action for others', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandlerAsync(reports, 'a1', false)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandler(reports, 's1', false)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandlerAsync(reports, 'a2', false)); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['a2', 'HOOK', [1, 2, 3]], + ['s1', 'HOOK', [1, 2, 3]], + ['a1', 'HOOK', [1, 2, 3]], + ['a2', 'PUT', 'Here comes'], + ['s1', 'PUT', 'Here comes'], + ['a1', 'PUT', 'Here comes'], + ['a2', 'PUT', 'the mouse!'], + ['s1', 'PUT', 'the mouse!'], + ['a1', 'PUT', 'the mouse!'], + ['a2', 'UNHOOK', true], + ['s1', 'UNHOOK', false], // important: s1 between a2 .. a1 + ['a1', 'UNHOOK', false] + ]); + }); + it('all should run', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandlerAsync(reports, 'a1', true)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandler(reports, 's1', true)); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new TestHandlerAsync(reports, 'a2', true)); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['a2', 'HOOK', [1, 2, 3]], + ['s1', 'HOOK', [1, 2, 3]], + ['a1', 'HOOK', [1, 2, 3]], + ['a2', 'PUT', 'Here comes'], + ['s1', 'PUT', 'Here comes'], + ['a1', 'PUT', 'Here comes'], + ['a2', 'PUT', 'the mouse!'], + ['s1', 'PUT', 'the mouse!'], + ['a1', 'PUT', 'the mouse!'], + ['a2', 'UNHOOK', true], + ['s1', 'UNHOOK', true], // important: s1 between a2 .. a1 + ['a1', 'UNHOOK', true] + ]); + }); + }); + describe('DcsHandlerFactory', () => { + it('should be called once on end(true)', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new DcsHandler(async (data, params) => { reports.push([params.toArray(), data]); return true; })); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [[[1, 2, 3], 'Here comes the mouse!']]); + }); + it('should not be called on end(false)', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new DcsHandler(async (data, params) => { reports.push([params.toArray(), data]); return true; })); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, false); + assert.deepEqual(reports, []); + }); + it('should be disposable', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new DcsHandler(async (data, params) => { reports.push(['one', params.toArray(), data]); return true; })); + const dispo = parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new DcsHandler(async (data, params) => { reports.push(['two', params.toArray(), data]); return true; })); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [['two', [1, 2, 3], 'Here comes the mouse!']]); + dispo.dispose(); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + data = toUtf32('some other'); + parser.put(data, 0, data.length); + data = toUtf32(' data'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [['two', [1, 2, 3], 'Here comes the mouse!'], ['one', [1, 2, 3], 'some other data']]); + }); + it('should respect return false', async () => { + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new DcsHandler(async (data, params) => { reports.push(['one', params.toArray(), data]); return true; })); + parser.registerHandler(identifier({intermediates: '+', final: 'p'}), new DcsHandler(async (data, params) => { reports.push(['two', params.toArray(), data]); return false; })); + parser.hook(identifier({intermediates: '+', final: 'p'}), Params.fromArray([1, 2, 3])); + let data = toUtf32('Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await unhookP(parser, true); + assert.deepEqual(reports, [['two', [1, 2, 3], 'Here comes the mouse!'], ['one', [1, 2, 3], 'Here comes the mouse!']]); + }); + }); + }); +}); diff --git a/src/common/parser/DcsParser.ts b/src/common/parser/DcsParser.ts index 2fa28992..9f326099 100644 --- a/src/common/parser/DcsParser.ts +++ b/src/common/parser/DcsParser.ts @@ -15,11 +15,11 @@ export class DcsParser implements IDcsParser { private _handlers: IHandlerCollection = Object.create(null); private _active: IDcsHandler[] = EMPTY_HANDLERS; private _ident: number = 0; - private _handlerFb: DcsFallbackHandlerType = () => {}; + private _handlerFb: DcsFallbackHandlerType = () => { }; public dispose(): void { this._handlers = Object.create(null); - this._handlerFb = () => {}; + this._handlerFb = () => { }; this._active = EMPTY_HANDLERS; } @@ -79,20 +79,46 @@ export class DcsParser implements IDcsParser { } } - public unhook(success: boolean): void { + private _stack = { + paused: false, + loopPosition: 0, + fallThrough: false + }; + public unhook(success: boolean, promiseResult?: boolean): void | Promise { if (!this._active.length) { this._handlerFb(this._ident, 'UNHOOK', success); } else { + let handlerResult: any = false; let j = this._active.length - 1; - for (; j >= 0; j--) { - if (this._active[j].unhook(success)) { - break; - } + let fallThrough = false; + if (this._stack.paused) { + j = this._stack.loopPosition - 1; + handlerResult = promiseResult; + fallThrough = this._stack.fallThrough; + this._stack.paused = false; } - j--; - // cleanup left over handlers + if (!fallThrough && handlerResult === false) { + for (; j >= 0; j--) { + if ((handlerResult = this._active[j].unhook(success)) !== false) { + if (handlerResult instanceof Promise) { + this._stack.paused = true; + this._stack.loopPosition = j; + this._stack.fallThrough = false; + return handlerResult; + } + break; + } + } + j--; + } + // cleanup left over handlers (fallThrough for async) for (; j >= 0; j--) { - this._active[j].unhook(false); + if ((handlerResult = this._active[j].unhook(false)) instanceof Promise) { + this._stack.paused = true; + this._stack.loopPosition = j; + this._stack.fallThrough = true; + return handlerResult; + } } } this._active = EMPTY_HANDLERS; @@ -113,7 +139,7 @@ export class DcsHandler implements IDcsHandler { private _params: IParams = EMPTY_PARAMS; private _hitLimit: boolean = false; - constructor(private _handler: (data: string, params: IParams) => boolean) {} + constructor(private _handler: (data: string, params: IParams) => boolean | Promise) { } public hook(params: IParams): void { // since we need to preserve params until `unhook`, we have to clone it @@ -136,12 +162,21 @@ export class DcsHandler implements IDcsHandler { } } - public unhook(success: boolean): boolean { - let ret = false; + public unhook(success: boolean): boolean | Promise { + let ret: boolean | Promise = false; if (this._hitLimit) { ret = false; } else if (success) { - ret = this._handler(this._data, this._params); + if ((ret = this._handler(this._data, this._params)) instanceof Promise) { + // FIXME: should this be behind a catch rule? + return ret.then(res => { + // cleanup handler state late + this._params = EMPTY_PARAMS; + this._data = ''; + this._hitLimit = false; + return res; + }); + } } this._params = EMPTY_PARAMS; this._data = ''; diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 1ac1a22b..842a99b8 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -239,7 +239,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // handler lookup containers protected _printHandler: PrintHandlerType; - protected _executeHandlers: {[flag: number]: ExecuteHandlerType}; + protected _executeHandlers: { [flag: number]: ExecuteHandlerType }; protected _csiHandlers: IHandlerCollection; protected _escHandlers: IHandlerCollection; protected _oscParser: IOscParser; @@ -280,7 +280,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this._errorHandler = this._errorHandlerFb; // swallow 7bit ST (ESC+\) - this.registerEscHandler({final: '\\'}, () => true); + this.registerEscHandler({ final: '\\' }, () => true); } protected _identifier(id: IFunctionIdentifier, finalRange: number[] = [0x40, 0x7e]): number { @@ -452,8 +452,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP handlers: ResumableHandlersType, handlerPos: number, transition: number, - chunkPos: number): void - { + chunkPos: number): void { this._parseStack.state = state; this._parseStack.handlers = handlers; this._parseStack.handlerPos = handlerPos; @@ -534,10 +533,11 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // - handlers are not exhausted yet // FIXME: removing handlers from within a handler of the same sequence // is not supported atm (also true for sync handlers)!! - if (promiseResult === false && handlerPos > -1) { - const handlers = this._parseStack.handlers; - switch (this._parseStack.state) { - case ParserStackType.CSI: + let handlers: ResumableHandlersType; + switch (this._parseStack.state) { + case ParserStackType.CSI: + if (promiseResult === false && handlerPos > -1) { + handlers = this._parseStack.handlers; for (; handlerPos >= 0; handlerPos--) { if ((handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params)) !== false) { if (handlerResult instanceof Promise) { @@ -547,8 +547,11 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; } } - break; - case ParserStackType.ESC: + } + break; + case ParserStackType.ESC: + if (promiseResult === false && handlerPos > -1) { + handlers = this._parseStack.handlers; for (; handlerPos >= 0; handlerPos--) { if ((handlerResult = (handlers as EscHandlerType[])[handlerPos]()) !== false) { if (handlerResult instanceof Promise) { @@ -558,8 +561,21 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; } } - break; - } + } + break; + case ParserStackType.DCS: + code = data[this._parseStack.chunkPos]; + if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a)) { + return handlerResult; + } + if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; + break; + case ParserStackType.OSC: + // TODO + break; } // cleanup before continuing with the main loop this._parseStack.state = ParserStackType.NONE; @@ -700,7 +716,10 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } break; case ParserAction.DCS_UNHOOK: - this._dcsParser.unhook(code !== 0x18 && code !== 0x1a); + if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a)) { + this._parseStack.state = ParserStackType.DCS; + return handlerResult; + } if (code === 0x1b) transition |= ParserState.ESCAPE; this._params.reset(); this._params.addParam(0); // ZDM diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index f6db77fa..30217cc6 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -5,7 +5,7 @@ import { IDisposable } from 'common/Types'; import { ParserState } from 'common/parser/Constants'; -import { OscParser } from 'common/parser/OscParser'; + /** sequence params serialized to js arrays */ export type ParamsArray = (number | number[])[]; @@ -94,7 +94,7 @@ export interface IDcsHandler { * execution of the command should depend on `success`. * To save memory also cleanup data structures here. */ - unhook(success: boolean): boolean; + unhook(success: boolean): boolean | Promise; } export type DcsFallbackHandlerType = (ident: number, action: 'HOOK' | 'PUT' | 'UNHOOK', payload?: any) => void; @@ -219,7 +219,7 @@ export interface IOscParser extends ISubParser { hook(ident: number, params: IParams): void; - unhook(success: boolean): void; + unhook(success: boolean, promiseResult?: boolean): void | Promise; } /** From 041e259c11e065f8451052a300dd2e0c8b9fd59f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Mon, 8 Feb 2021 03:03:28 +0100 Subject: [PATCH 09/36] OSC impl, OscParser tests --- src/common/parser/EscapeSequenceParser.ts | 20 ++- src/common/parser/OscParser.test.ts | 201 ++++++++++++++++++++++ src/common/parser/OscParser.ts | 86 ++++++--- src/common/parser/Types.d.ts | 4 +- 4 files changed, 277 insertions(+), 34 deletions(-) diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 842a99b8..d2da17c6 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -548,6 +548,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } } } + this._parseStack.handlers = []; break; case ParserStackType.ESC: if (promiseResult === false && handlerPos > -1) { @@ -562,10 +563,11 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } } } + this._parseStack.handlers = []; break; case ParserStackType.DCS: code = data[this._parseStack.chunkPos]; - if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a)) { + if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult)) { return handlerResult; } if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; @@ -574,7 +576,14 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this._collect = 0; break; case ParserStackType.OSC: - // TODO + code = data[this._parseStack.chunkPos]; + if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult)) { + return handlerResult; + } + if (code === 0x1b) transition |= ParserState.ESCAPE; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; break; } // cleanup before continuing with the main loop @@ -717,7 +726,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; case ParserAction.DCS_UNHOOK: if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a)) { - this._parseStack.state = ParserStackType.DCS; + this._preserveStack(ParserStackType.DCS, [], 0, transition, i); return handlerResult; } if (code === 0x1b) transition |= ParserState.ESCAPE; @@ -740,7 +749,10 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } break; case ParserAction.OSC_END: - this._oscParser.end(code !== 0x18 && code !== 0x1a); + if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a)) { + this._preserveStack(ParserStackType.OSC, [], 0, transition, i); + return handlerResult; + } if (code === 0x1b) transition |= ParserState.ESCAPE; this._params.reset(); this._params.addParam(0); // ZDM diff --git a/src/common/parser/OscParser.test.ts b/src/common/parser/OscParser.test.ts index e2c8641c..5c7f5777 100644 --- a/src/common/parser/OscParser.test.ts +++ b/src/common/parser/OscParser.test.ts @@ -250,3 +250,204 @@ describe('OscParser', () => { }); }); }); + + +class TestHandlerAsync implements IOscHandler { + constructor(public id: number, public output: any[], public msg: string, public returnFalse: boolean = false) {} + public start(): void { + this.output.push([this.msg, this.id, 'START']); + } + public put(data: Uint32Array, start: number, end: number): void { + this.output.push([this.msg, this.id, 'PUT', utf32ToString(data, start, end)]); + } + public async end(success: boolean): Promise { + await new Promise(res => setTimeout(res, 20)); + this.output.push([this.msg, this.id, 'END', success]); + if (this.returnFalse) { + return false; + } + return true; + } +} +async function endP(parser: OscParser, success: boolean): Promise { + let result: void | Promise; + let prev: boolean | undefined; + while (result = parser.end(success, prev)) { + prev = await result; + } +} + +describe('OscParser - async tests', () => { + let parser: OscParser; + let reports: any[] = []; + beforeEach(() => { + reports = []; + parser = new OscParser(); + parser.setHandlerFallback((id, action, data) => { + reports.push([id, action, data]); + }); + }); + describe('sync and async mixed', () => { + describe('sync | async | sync', () => { + it('first should run, cleanup action for others', async () => { + parser.registerHandler(1234, new TestHandler(1234, reports, 's1')); + parser.registerHandler(1234, new TestHandlerAsync(1234, reports, 'a1')); + parser.registerHandler(1234, new TestHandler(1234, reports, 's2')); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['s2', 1234, 'START'], + ['a1', 1234, 'START'], + ['s1', 1234, 'START'], + ['s2', 1234, 'PUT', 'Here comes'], + ['a1', 1234, 'PUT', 'Here comes'], + ['s1', 1234, 'PUT', 'Here comes'], + ['s2', 1234, 'PUT', 'the mouse!'], + ['a1', 1234, 'PUT', 'the mouse!'], + ['s1', 1234, 'PUT', 'the mouse!'], + ['s2', 1234, 'END', true], + ['a1', 1234, 'END', false], + ['s1', 1234, 'END', false] + ]); + }); + it('all should run', async () => { + parser.registerHandler(1234, new TestHandler(1234, reports, 's1', true)); + parser.registerHandler(1234, new TestHandlerAsync(1234, reports, 'a1', true)); + parser.registerHandler(1234, new TestHandler(1234, reports, 's2', true)); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['s2', 1234, 'START'], + ['a1', 1234, 'START'], + ['s1', 1234, 'START'], + ['s2', 1234, 'PUT', 'Here comes'], + ['a1', 1234, 'PUT', 'Here comes'], + ['s1', 1234, 'PUT', 'Here comes'], + ['s2', 1234, 'PUT', 'the mouse!'], + ['a1', 1234, 'PUT', 'the mouse!'], + ['s1', 1234, 'PUT', 'the mouse!'], + ['s2', 1234, 'END', true], + ['a1', 1234, 'END', true], + ['s1', 1234, 'END', true] + ]); + }); + }); + describe('async | sync | async', () => { + it('first should run, cleanup action for others', async () => { + parser.registerHandler(1234, new TestHandlerAsync(1234, reports, 's1')); + parser.registerHandler(1234, new TestHandler(1234, reports, 'a1')); + parser.registerHandler(1234, new TestHandlerAsync(1234, reports, 's2')); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['s2', 1234, 'START'], + ['a1', 1234, 'START'], + ['s1', 1234, 'START'], + ['s2', 1234, 'PUT', 'Here comes'], + ['a1', 1234, 'PUT', 'Here comes'], + ['s1', 1234, 'PUT', 'Here comes'], + ['s2', 1234, 'PUT', 'the mouse!'], + ['a1', 1234, 'PUT', 'the mouse!'], + ['s1', 1234, 'PUT', 'the mouse!'], + ['s2', 1234, 'END', true], + ['a1', 1234, 'END', false], + ['s1', 1234, 'END', false] + ]); + }); + it('all should run', async () => { + parser.registerHandler(1234, new TestHandlerAsync(1234, reports, 's1', true)); + parser.registerHandler(1234, new TestHandler(1234, reports, 'a1', true)); + parser.registerHandler(1234, new TestHandlerAsync(1234, reports, 's2', true)); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32('the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [ + // messages from TestHandler + ['s2', 1234, 'START'], + ['a1', 1234, 'START'], + ['s1', 1234, 'START'], + ['s2', 1234, 'PUT', 'Here comes'], + ['a1', 1234, 'PUT', 'Here comes'], + ['s1', 1234, 'PUT', 'Here comes'], + ['s2', 1234, 'PUT', 'the mouse!'], + ['a1', 1234, 'PUT', 'the mouse!'], + ['s1', 1234, 'PUT', 'the mouse!'], + ['s2', 1234, 'END', true], + ['a1', 1234, 'END', true], + ['s1', 1234, 'END', true] + ]); + }); + }); + describe('OscHandlerFactory', () => { + it('should be called once on end(true)', async () => { + parser.registerHandler(1234, new OscHandler(async data => { reports.push([1234, data]); return true; })); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + parser.end(true); + await endP(parser, true); + assert.deepEqual(reports, [[1234, 'Here comes the mouse!']]); + }); + it('should not be called on end(false)', async () => { + parser.registerHandler(1234, new OscHandler(async data => { reports.push([1234, data]); return true; })); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, false); + assert.deepEqual(reports, []); + }); + it('should be disposable', async () => { + parser.registerHandler(1234, new OscHandler(async data => { reports.push(['one', data]); return true; })); + const dispo = parser.registerHandler(1234, new OscHandler(async data => { reports.push(['two', data]); return true; })); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [['two', 'Here comes the mouse!']]); + dispo.dispose(); + parser.start(); + data = toUtf32('1234;some other'); + parser.put(data, 0, data.length); + data = toUtf32(' data'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [['two', 'Here comes the mouse!'], ['one', 'some other data']]); + }); + it('should respect return false', async () => { + parser.registerHandler(1234, new OscHandler(async data => { reports.push(['one', data]); return true; })); + parser.registerHandler(1234, new OscHandler(async data => { reports.push(['two', data]); return false; })); + parser.start(); + let data = toUtf32('1234;Here comes'); + parser.put(data, 0, data.length); + data = toUtf32(' the mouse!'); + parser.put(data, 0, data.length); + await endP(parser, true); + assert.deepEqual(reports, [['two', 'Here comes the mouse!'], ['one', 'Here comes the mouse!']]); + }); + }); + }); +}); diff --git a/src/common/parser/OscParser.ts b/src/common/parser/OscParser.ts index e7edac66..b0b51e23 100644 --- a/src/common/parser/OscParser.ts +++ b/src/common/parser/OscParser.ts @@ -41,7 +41,7 @@ export class OscParser implements IOscParser { public dispose(): void { this._handlers = Object.create(null); - this._handlerFb = () => {}; + this._handlerFb = () => { }; this._active = EMPTY_HANDLERS; } @@ -76,27 +76,6 @@ export class OscParser implements IOscParser { } } - private _end(success: boolean): void { - // other than the old code we always have to call .end - // to keep the bubbling we use `success` to indicate - // whether a handler should execute - if (!this._active.length) { - this._handlerFb(this._id, 'END', success); - } else { - let j = this._active.length - 1; - for (; j >= 0; j--) { - if (this._active[j].end(success)) { - break; - } - } - j--; - // cleanup left over handlers - for (; j >= 0; j--) { - this._active[j].end(false); - } - } - } - public start(): void { // always reset leftover handlers this.reset(); @@ -137,12 +116,18 @@ export class OscParser implements IOscParser { } } + private _stack = { + paused: false, + loopPosition: 0, + fallThrough: false + }; + /** * Indicates end of an OSC command. * Whether the OSC got aborted or finished normally * is indicated by `success`. */ - public end(success: boolean): void { + public end(success: boolean, promiseResult?: boolean): void | Promise { if (this._state === OscState.START) { return; } @@ -154,7 +139,46 @@ export class OscParser implements IOscParser { if (this._state === OscState.ID) { this._start(); } - this._end(success); + + if (!this._active.length) { + this._handlerFb(this._id, 'END', success); + } else { + let handlerResult: any = false; + let j = this._active.length - 1; + let fallThrough = false; + if (this._stack.paused) { + j = this._stack.loopPosition - 1; + handlerResult = promiseResult; + fallThrough = this._stack.fallThrough; + this._stack.paused = false; + } + if (!fallThrough && handlerResult === false) { + for (; j >= 0; j--) { + if ((handlerResult = this._active[j].end(success)) !== false) { + if (handlerResult instanceof Promise) { + this._stack.paused = true; + this._stack.loopPosition = j; + this._stack.fallThrough = false; + return handlerResult; + } + break; + } + } + j--; + } + // cleanup left over handlers + // we always have to call .end for proper cleanup, + // here we use `success` to indicate whether a handler should execute + for (; j >= 0; j--) { + if ((handlerResult = this._active[j].end(false)) instanceof Promise) { + this._stack.paused = true; + this._stack.loopPosition = j; + this._stack.fallThrough = true; + return handlerResult; + } + } + } + } this._active = EMPTY_HANDLERS; this._id = -1; @@ -170,7 +194,7 @@ export class OscHandler implements IOscHandler { private _data = ''; private _hitLimit: boolean = false; - constructor(private _handler: (data: string) => boolean) {} + constructor(private _handler: (data: string) => boolean | Promise) { } public start(): void { this._data = ''; @@ -188,12 +212,18 @@ export class OscHandler implements IOscHandler { } } - public end(success: boolean): boolean { - let ret = false; + public end(success: boolean): boolean | Promise { + let ret: boolean | Promise = false; if (this._hitLimit) { ret = false; } else if (success) { - ret = this._handler(this._data); + if ((ret = this._handler(this._data)) instanceof Promise) { + return ret.then(res => { + this._data = ''; + this._hitLimit = false; + return res; + }); + } } this._data = ''; this._hitLimit = false; diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index 30217cc6..dda798cc 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -130,7 +130,7 @@ export interface IOscHandler { * execution of the command should depend on `success`. * To save memory also cleanup data structures here. */ - end(success: boolean): boolean; + end(success: boolean): boolean | Promise; } export type OscFallbackHandlerType = (ident: number, action: 'START' | 'PUT' | 'END', payload?: any) => void; @@ -214,7 +214,7 @@ export interface ISubParser extends IDisposable { export interface IOscParser extends ISubParser { start(): void; - end(success: boolean): void; + end(success: boolean, promiseResult?: boolean): void | Promise; } export interface IDcsParser extends ISubParser { From d0b555687fc3f80d54f777060f30b7155b2498fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Mon, 8 Feb 2021 03:28:49 +0100 Subject: [PATCH 10/36] update parser hooks api and tests --- src/browser/Terminal2.test.ts | 2 +- src/browser/TestUtils.test.ts | 8 ++++---- src/browser/Types.d.ts | 8 ++++---- src/browser/public/Terminal.ts | 24 ++++++++++++------------ src/common/CoreTerminal.ts | 18 +++++++++--------- src/common/InputHandler.ts | 16 ++++++++-------- src/common/Types.d.ts | 6 +++++- test/api/Parser.api.ts | 28 ++++++++++++++-------------- 8 files changed, 57 insertions(+), 53 deletions(-) diff --git a/src/browser/Terminal2.test.ts b/src/browser/Terminal2.test.ts index 7d3fe851..1ad0e905 100644 --- a/src/browser/Terminal2.test.ts +++ b/src/browser/Terminal2.test.ts @@ -74,7 +74,7 @@ describe('Escape Sequence Files', function(): void { let content = ''; const OSC_CODE = 12345; await new Promise(resolve => { - customHandler = term.addOscHandler(OSC_CODE, () => { + customHandler = term.registerOscHandler(OSC_CODE, () => { // grab terminal viewport content content = terminalToString(term); resolve(); diff --git a/src/browser/TestUtils.test.ts b/src/browser/TestUtils.test.ts index 38f9c8f1..a2140aa5 100644 --- a/src/browser/TestUtils.test.ts +++ b/src/browser/TestUtils.test.ts @@ -78,16 +78,16 @@ export class MockTerminal implements ITerminal { public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void { throw new Error('Method not implemented.'); } - public addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable { + public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise): IDisposable { throw new Error('Method not implemented.'); } - public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable { + public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise): IDisposable { throw new Error('Method not implemented.'); } - public addEscHandler(id: IFunctionIdentifier, handler: () => boolean): IDisposable { + public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise): IDisposable { throw new Error('Method not implemented.'); } - public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable { + public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable { throw new Error('Method not implemented.'); } public registerLinkMatcher(regex: RegExp, handler: (event: MouseEvent, uri: string) => boolean | void, options?: ILinkMatcherOptions): number { diff --git a/src/browser/Types.d.ts b/src/browser/Types.d.ts index e8e0cabd..1262117f 100644 --- a/src/browser/Types.d.ts +++ b/src/browser/Types.d.ts @@ -52,10 +52,10 @@ export interface IPublicTerminal extends IDisposable { resize(columns: number, rows: number): void; open(parent: HTMLElement): void; attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void; - addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable; - addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable; - addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable; - addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable; + registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise): IDisposable; + registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise): IDisposable; + registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise): IDisposable; + registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable; registerLinkMatcher(regex: RegExp, handler: (event: MouseEvent, uri: string) => void, options?: ILinkMatcherOptions): number; deregisterLinkMatcher(matcherId: number): void; registerLinkProvider(linkProvider: ILinkProvider): IDisposable; diff --git a/src/browser/public/Terminal.ts b/src/browser/public/Terminal.ts index 70247f88..bd0b78f9 100644 --- a/src/browser/public/Terminal.ts +++ b/src/browser/public/Terminal.ts @@ -292,28 +292,28 @@ class BufferLineApiView implements IBufferLineApi { class ParserApi implements IParser { constructor(private _core: ITerminal) { } - public registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean): IDisposable { - return this._core.addCsiHandler(id, (params: IParams) => callback(params.toArray())); + public registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise): IDisposable { + return this._core.registerCsiHandler(id, (params: IParams) => callback(params.toArray())); } - public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean): IDisposable { + public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise): IDisposable { return this.registerCsiHandler(id, callback); } - public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean): IDisposable { - return this._core.addDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray())); + public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise): IDisposable { + return this._core.registerDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray())); } - public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean): IDisposable { + public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise): IDisposable { return this.registerDcsHandler(id, callback); } - public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean): IDisposable { - return this._core.addEscHandler(id, handler); + public registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise): IDisposable { + return this._core.registerEscHandler(id, handler); } - public addEscHandler(id: IFunctionIdentifier, handler: () => boolean): IDisposable { + public addEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise): IDisposable { return this.registerEscHandler(id, handler); } - public registerOscHandler(ident: number, callback: (data: string) => boolean): IDisposable { - return this._core.addOscHandler(ident, callback); + public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable { + return this._core.registerOscHandler(ident, callback); } - public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable { + public addOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable { return this.registerOscHandler(ident, callback); } } diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index 7b45a172..50be0d7c 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -278,23 +278,23 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { } /** Add handler for ESC escape sequence. See xterm.d.ts for details. */ - public addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable { - return this._inputHandler.addEscHandler(id, callback); + public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise): IDisposable { + return this._inputHandler.registerEscHandler(id, callback); } /** Add handler for DCS escape sequence. See xterm.d.ts for details. */ - public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable { - return this._inputHandler.addDcsHandler(id, callback); + public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise): IDisposable { + return this._inputHandler.registerDcsHandler(id, callback); } /** Add handler for CSI escape sequence. See xterm.d.ts for details. */ - public addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable { - return this._inputHandler.addCsiHandler(id, callback); + public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise): IDisposable { + return this._inputHandler.registerCsiHandler(id, callback); } /** Add handler for OSC escape sequence. See xterm.d.ts for details. */ - public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable { - return this._inputHandler.addOscHandler(ident, callback); + public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable { + return this._inputHandler.registerOscHandler(ident, callback); } protected _setup(): void { @@ -332,7 +332,7 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { if (!this._windowsMode) { const disposables: IDisposable[] = []; disposables.push(this.onLineFeed(updateWindowsModeWrappedState.bind(null, this._bufferService))); - disposables.push(this.addCsiHandler({ final: 'H' }, () => { + disposables.push(this.registerCsiHandler({ final: 'H' }, () => { updateWindowsModeWrappedState(this._bufferService); return false; })); diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index 099cdff7..08f04d9e 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -701,9 +701,9 @@ export class InputHandler extends Disposable implements IInputHandler { } /** - * Forward addCsiHandler from parser. + * Forward registerCsiHandler from parser. */ - public addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable { + public registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise): IDisposable { if (id.final === 't' && !id.prefix && !id.intermediates) { // security: always check whether window option is allowed return this._parser.registerCsiHandler(id, params => { @@ -717,23 +717,23 @@ export class InputHandler extends Disposable implements IInputHandler { } /** - * Forward addDcsHandler from parser. + * Forward registerDcsHandler from parser. */ - public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable { + public registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise): IDisposable { return this._parser.registerDcsHandler(id, new DcsHandler(callback)); } /** - * Forward addEscHandler from parser. + * Forward registerEscHandler from parser. */ - public addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable { + public registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise): IDisposable { return this._parser.registerEscHandler(id, callback); } /** - * Forward addOscHandler from parser. + * Forward registerOscHandler from parser. */ - public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable { + public registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable { return this._parser.registerOscHandler(ident, new OscHandler(callback)); } diff --git a/src/common/Types.d.ts b/src/common/Types.d.ts index 1ea26c2a..e345e11d 100644 --- a/src/common/Types.d.ts +++ b/src/common/Types.d.ts @@ -3,7 +3,7 @@ * @license MIT */ -import { ITerminalOptions as IPublicTerminalOptions } from 'xterm'; +import { IFunctionIdentifier, ITerminalOptions as IPublicTerminalOptions } from 'xterm'; import { IEvent, IEventEmitter } from 'common/EventEmitter'; import { IDeleteEvent, IInsertEvent } from 'common/CircularList'; import { IParams } from 'common/parser/Types'; @@ -351,6 +351,10 @@ export interface IInputHandler { parse(data: string | Uint8Array): void; print(data: Uint32Array, start: number, end: number): void; + registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise): IDisposable; + registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise): IDisposable; + registerEscHandler(id: IFunctionIdentifier, callback: () => boolean | Promise): IDisposable; + registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable; /** C0 BEL */ bell(): void; /** C0 LF */ lineFeed(): void; diff --git a/test/api/Parser.api.ts b/test/api/Parser.api.ts index 77101e23..ff82895d 100644 --- a/test/api/Parser.api.ts +++ b/test/api/Parser.api.ts @@ -28,12 +28,12 @@ describe('Parser Integration Tests', function(): void { after(async () => browser.close()); - describe('addCsiHandler', () => { + describe('registerCsiHandler', () => { it('should call custom CSI handler with js array params', async () => { await page.evaluate(` window.term.reset(); window._customCsiHandlerParams = []; - const _customCsiHandler = window.term.parser.addCsiHandler({final: 'm'}, (params, collect) => { + const _customCsiHandler = window.term.parser.registerCsiHandler({final: 'm'}, (params, collect) => { window._customCsiHandlerParams.push(params); return false; }, ''); @@ -42,20 +42,20 @@ describe('Parser Integration Tests', function(): void { assert.deepEqual(await page.evaluate(`(() => window._customCsiHandlerParams)();`), [[38, 5, 123], [38, [2, -1, 50, 100, 150]]]); }); }); - describe('addDcsHandler', () => { + describe('registerDcsHandler', () => { it('should respects return value', async () => { await page.evaluate(` window.term.reset(); window._customDcsHandlerCallStack = []; - const _customDcsHandlerA = window.term.parser.addDcsHandler({intermediates:'+', final: 'p'}, (data, params) => { + const _customDcsHandlerA = window.term.parser.registerDcsHandler({intermediates:'+', final: 'p'}, (data, params) => { window._customDcsHandlerCallStack.push(['A', params, data]); return false; }); - const _customDcsHandlerB = window.term.parser.addDcsHandler({intermediates:'+', final: 'p'}, (data, params) => { + const _customDcsHandlerB = window.term.parser.registerDcsHandler({intermediates:'+', final: 'p'}, (data, params) => { window._customDcsHandlerCallStack.push(['B', params, data]); return true; }); - const _customDcsHandlerC = window.term.parser.addDcsHandler({intermediates:'+', final: 'p'}, (data, params) => { + const _customDcsHandlerC = window.term.parser.registerDcsHandler({intermediates:'+', final: 'p'}, (data, params) => { window._customDcsHandlerCallStack.push(['C', params, data]); return false; }); @@ -64,20 +64,20 @@ describe('Parser Integration Tests', function(): void { assert.deepEqual(await page.evaluate(`(() => window._customDcsHandlerCallStack)();`), [['C', [1, 2], 'some data'], ['B', [1, 2], 'some data']]); }); }); - describe('addEscHandler', () => { + describe('registerEscHandler', () => { it('should respects return value', async () => { await page.evaluate(` window.term.reset(); window._customEscHandlerCallStack = []; - const _customEscHandlerA = window.term.parser.addEscHandler({intermediates:'(', final: 'B'}, () => { + const _customEscHandlerA = window.term.parser.registerEscHandler({intermediates:'(', final: 'B'}, () => { window._customEscHandlerCallStack.push('A'); return false; }); - const _customEscHandlerB = window.term.parser.addEscHandler({intermediates:'(', final: 'B'}, () => { + const _customEscHandlerB = window.term.parser.registerEscHandler({intermediates:'(', final: 'B'}, () => { window._customEscHandlerCallStack.push('B'); return true; }); - const _customEscHandlerC = window.term.parser.addEscHandler({intermediates:'(', final: 'B'}, () => { + const _customEscHandlerC = window.term.parser.registerEscHandler({intermediates:'(', final: 'B'}, () => { window._customEscHandlerCallStack.push('C'); return false; }); @@ -86,20 +86,20 @@ describe('Parser Integration Tests', function(): void { assert.deepEqual(await page.evaluate(`(() => window._customEscHandlerCallStack)();`), ['C', 'B']); }); }); - describe('addOscHandler', () => { + describe('registerOscHandler', () => { it('should respects return value', async () => { await page.evaluate(` window.term.reset(); window._customOscHandlerCallStack = []; - const _customOscHandlerA = window.term.parser.addOscHandler(1234, data => { + const _customOscHandlerA = window.term.parser.registerOscHandler(1234, data => { window._customOscHandlerCallStack.push(['A', data]); return false; }); - const _customOscHandlerB = window.term.parser.addOscHandler(1234, data => { + const _customOscHandlerB = window.term.parser.registerOscHandler(1234, data => { window._customOscHandlerCallStack.push(['B', data]); return true; }); - const _customOscHandlerC = window.term.parser.addOscHandler(1234, data => { + const _customOscHandlerC = window.term.parser.registerOscHandler(1234, data => { window._customOscHandlerCallStack.push(['C', data]); return false; }); From 5db479c25d706c22e0ba14a80bdfe95b83fc81ca Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Mon, 8 Feb 2021 03:35:42 +0100 Subject: [PATCH 11/36] update public API --- typings/xterm.d.ts | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts index d860ddfa..a842a82b 100644 --- a/typings/xterm.d.ts +++ b/typings/xterm.d.ts @@ -1515,7 +1515,7 @@ declare module 'xterm' { * The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ - registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean): IDisposable; + registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise): IDisposable; /** * Adds a handler for DCS escape sequences. @@ -1534,7 +1534,7 @@ declare module 'xterm' { * The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ - registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean): IDisposable; + registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise): IDisposable; /** * Adds a handler for ESC escape sequences. @@ -1547,7 +1547,7 @@ declare module 'xterm' { * The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ - registerEscHandler(id: IFunctionIdentifier, handler: () => boolean): IDisposable; + registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise): IDisposable; /** * Adds a handler for OSC escape sequences. @@ -1565,7 +1565,7 @@ declare module 'xterm' { * The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ - registerOscHandler(ident: number, callback: (data: string) => boolean): IDisposable; + registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable; } /** From 26502114d42134f7b67bb6602759f20b7f0710b5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Mon, 15 Feb 2021 16:24:29 +0100 Subject: [PATCH 12/36] minor tweaks, API docs update --- src/common/parser/EscapeSequenceParser.ts | 6 ++-- typings/xterm.d.ts | 37 +++++++++++++++-------- 2 files changed, 27 insertions(+), 16 deletions(-) diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index d2da17c6..79f8b844 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -526,18 +526,17 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this._parseStack.state = ParserStackType.FAIL; throw new Error('improper continuation due to previous async handler, giving up parsing'); } - let handlerPos = this._parseStack.handlerPos - 1; // we have to resume the old handler loop if: // - return value of the promise was `false` // - handlers are not exhausted yet // FIXME: removing handlers from within a handler of the same sequence // is not supported atm (also true for sync handlers)!! - let handlers: ResumableHandlersType; + let handlers = this._parseStack.handlers; + let handlerPos = this._parseStack.handlerPos - 1; switch (this._parseStack.state) { case ParserStackType.CSI: if (promiseResult === false && handlerPos > -1) { - handlers = this._parseStack.handlers; for (; handlerPos >= 0; handlerPos--) { if ((handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params)) !== false) { if (handlerResult instanceof Promise) { @@ -552,7 +551,6 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; case ParserStackType.ESC: if (promiseResult === false && handlerPos > -1) { - handlers = this._parseStack.handlers; for (; handlerPos >= 0; handlerPos--) { if ((handlerResult = (handlers as EscHandlerType[])[handlerPos]()) !== false) { if (handlerResult instanceof Promise) { diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts index a842a82b..cab9bdcc 100644 --- a/typings/xterm.d.ts +++ b/typings/xterm.d.ts @@ -1501,6 +1501,23 @@ declare module 'xterm' { /** * Allows hooking into the parser for custom handling of escape sequences. + * + * Note on sync vs. async handlers: + * xterm.js implements all parser actions with synchronous handlers. + * In general custom handlers should also operate in sync mode wherever + * possible to keep the parser fast. + * Still the exposed interfaces allow to register async handlers by returning + * a `Promise`. Here the parser will pause input processing until + * the promise got resolved or rejected (in-band blocking). This "full stop" + * on the input chain allows to implement backpressure from a certain async + * action while the terminal state will not progress any further from input. + * It does not mean that the terminal state will not change at all in between, + * as user actions like resize or reset are still processed immediately. + * It is an error to assume a stable terminal state while giving back control + * in between, e.g. by multiple chained `then` calls. + * Downside of an async handler is a rather bad throughput performance, + * thus use async handlers only as a last resort or for actions that have + * to rely on async interfaces itself. */ export interface IParser { /** @@ -1510,9 +1527,8 @@ declare module 'xterm' { * @param callback The function to handle the sequence. The callback is * called with the numerical params. If the sequence has subparams the * array will contain subarrays with their numercial values. - * Return true if the sequence was handled; false if we should try - * a previous handler (set by addCsiHandler or setCsiHandler). - * The most recently added handler is tried first. + * Return `true` if the sequence was handled, `false` if the parser should try + * a previous handler. The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ registerCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean | Promise): IDisposable; @@ -1529,9 +1545,8 @@ declare module 'xterm' { * big payloads. Currently xterm.js limits DCS payload to 10 MB * which should give enough room for most use cases. * The function gets the payload and numerical parameters as arguments. - * Return true if the sequence was handled; false if we should try - * a previous handler (set by addDcsHandler or setDcsHandler). - * The most recently added handler is tried first. + * Return `true` if the sequence was handled, `false` if the parser should try + * a previous handler. The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean | Promise): IDisposable; @@ -1542,9 +1557,8 @@ declare module 'xterm' { * gets registered, e.g. {intermediates: '%' final: 'G'} for * default charset selection. * @param callback The function to handle the sequence. - * Return true if the sequence was handled; false if we should try - * a previous handler (set by addEscHandler or setEscHandler). - * The most recently added handler is tried first. + * Return `true` if the sequence was handled, `false` if the parser should try + * a previous handler. The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ registerEscHandler(id: IFunctionIdentifier, handler: () => boolean | Promise): IDisposable; @@ -1560,9 +1574,8 @@ declare module 'xterm' { * big payloads. Currently xterm.js limits OSC payload to 10 MB * which should give enough room for most use cases. * The callback is called with OSC data string. - * Return true if the sequence was handled; false if we should try - * a previous handler (set by addOscHandler or setOscHandler). - * The most recently added handler is tried first. + * Return `true` if the sequence was handled, `false` if the parser should try + * a previous handler. The most recently added handler is tried first. * @return An IDisposable you can call to remove this handler. */ registerOscHandler(ident: number, callback: (data: string) => boolean | Promise): IDisposable; From bce3269e445376f3dc7c5b3faac65855c30209f0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Thu, 25 Feb 2021 15:41:10 +0100 Subject: [PATCH 13/36] async OSC/DCS registering/dispose tests on parser instance --- .../parser/EscapeSequenceParser.test.ts | 201 ++++++++++++++++-- src/common/parser/EscapeSequenceParser.ts | 18 +- 2 files changed, 192 insertions(+), 27 deletions(-) diff --git a/src/common/parser/EscapeSequenceParser.test.ts b/src/common/parser/EscapeSequenceParser.test.ts index 56d4c93e..6d00adda 100644 --- a/src/common/parser/EscapeSequenceParser.test.ts +++ b/src/common/parser/EscapeSequenceParser.test.ts @@ -102,7 +102,7 @@ class TestEscapeSequenceParser extends EscapeSequenceParser { public trackedStack: IParserStackState[] = []; public parse(data: Uint32Array, length: number, promiseResult?: boolean): void | Promise { const result = super.parse(data, length, promiseResult); - if (result && this._trackStack) { + if (result instanceof Promise && this._trackStack) { this.trackedStack.push({ ...this.parseStack }); } return result; @@ -1742,9 +1742,9 @@ async function throwsAsync(fn: () => Promise, message?: string | undefined) } describe('EscapeSequenceParser - async', () => { - // sequences: SGR 1;31 | hello SP | ESC %G | wor | ESC E | ld! | SGR 0 | EXE \r\n | $> | OSC 1;foo=bar ST + // sequences: SGR 1;31 | hello SP | ESC %G | wor | ESC E | ld! | SGR 0 | EXE \r\n | $> | DCS 1;2 a [xyz] ST | OSC 1;foo=bar ST | FIN // needed handlers: CSI m, PRINT, ESC %G, ESC E, EXE \r, EXE \n, OSC 1 - const INPUT = '\x1b[1;31mhello \x1b%Gwor\x1bEld!\x1b[0m\r\n$>\x1b]1;foo=bar\x1b\\'; + const INPUT = '\x1b[1;31mhello \x1b%Gwor\x1bEld!\x1b[0m\r\n$>\x1bP1;2axyz\x1b\\\x1b]1;foo=bar\x1b\\FIN'; let RESULT: any[]; let parser: TestEscapeSequenceParser; const callstack: any[] = []; @@ -1764,7 +1764,9 @@ describe('EscapeSequenceParser - async', () => { ['EXE \r'], ['EXE \n'], ['PRINT', '$>'], - ['OSC 1', 'foo=bar'] + ['DCS a', ['xyz', [1, 2]]], + ['OSC 1', 'foo=bar'], + ['PRINT', 'FIN'] ]; parser = new TestEscapeSequenceParser(); parser.reset(); @@ -1786,9 +1788,10 @@ describe('EscapeSequenceParser - async', () => { parser.setExecuteHandler('\r', () => { callstack.push(['EXE \r']); return true; }); parser.setExecuteHandler('\n', () => { callstack.push(['EXE \n']); return true; }); parser.registerOscHandler(1, new OscHandler(data => { callstack.push(['OSC 1', data]); return true; })); + parser.registerDcsHandler({final: 'a'}, new DcsHandler((data, params) => { callstack.push(['DCS a', [data, params.toArray()]]); return true;})); }); - it('sync handlers keep parsed in sync mode', () => { + it('sync handlers keep being parsed in sync mode', () => { // note: if we have only sync handlers, a parse call should never return anything assert.equal(!parseSync(parser, INPUT), true); assert.equal(parser.parseStack.state, ParserStackType.NONE); // not paused @@ -1819,7 +1822,8 @@ describe('EscapeSequenceParser - async', () => { parser.registerEscHandler({ final: 'E' }, async () => { callstack.push(['ESC E']); return true; }); parser.setExecuteHandler('\r', () => { callstack.push(['EXE \r']); return true; }); parser.setExecuteHandler('\n', () => { callstack.push(['EXE \n']); return true; }); - parser.registerOscHandler(1, new OscHandler(data => { callstack.push(['OSC 1', data]); return true; })); + parser.registerOscHandler(1, new OscHandler(async data => { callstack.push(['OSC 1', data]); return true; })); + parser.registerDcsHandler({final: 'a'}, new DcsHandler(async (data, params) => { callstack.push(['DCS a', [data, params.toArray()]]); return true;})); }); it('sync parse call does not work anymore', () => { @@ -1849,7 +1853,12 @@ describe('EscapeSequenceParser - async', () => { await parseP(parser, INPUT); assert.deepEqual(callstack, RESULT); evalStackSaves(parser.trackedStack, [ - [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], [27, ParserStackType.CSI, 0] + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); }); it('correct result on chunked awaited parse calls', async () => { @@ -1874,7 +1883,11 @@ describe('EscapeSequenceParser - async', () => { ['EXE \n'], ['PRINT', '$'], ['PRINT', '>'], - ['OSC 1', 'foo=bar'] + ['DCS a', ['xyz', [1, 2]]], + ['OSC 1', 'foo=bar'], + ['PRINT', 'F'], + ['PRINT', 'I'], + ['PRINT', 'N'] ]; // split to single char input @@ -1888,7 +1901,9 @@ describe('EscapeSequenceParser - async', () => { [0, ParserStackType.CSI, 0], [0, ParserStackType.ESC, 0], [0, ParserStackType.ESC, 0], - [0, ParserStackType.CSI, 0] + [0, ParserStackType.CSI, 0], + [0, ParserStackType.DCS, 0], + [0, ParserStackType.OSC, 0] ]); }); it('multiple async SGR handlers', async () => { @@ -1906,7 +1921,9 @@ describe('EscapeSequenceParser - async', () => { [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], [27, ParserStackType.CSI, 1], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); // after dispose we should be back to RESULT @@ -1917,7 +1934,9 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); @@ -1933,7 +1952,9 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 1], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 1] + [27, ParserStackType.CSI, 1], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); // after dispose we should be back to RESULT @@ -1944,7 +1965,9 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); }); it('multiple async ESC handlers', async () => { @@ -1960,7 +1983,9 @@ describe('EscapeSequenceParser - async', () => { [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 1], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); // after dispose we should be back to RESULT @@ -1971,7 +1996,9 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); @@ -1986,7 +2013,9 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 1], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); // after dispose we should be back to RESULT @@ -1997,7 +2026,9 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); }); it('sync/async SGR mixed', async () => { @@ -2020,7 +2051,9 @@ describe('EscapeSequenceParser - async', () => { [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], [27, ParserStackType.CSI, 2], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); // dispose SGR2 (sync one) @@ -2039,7 +2072,9 @@ describe('EscapeSequenceParser - async', () => { [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], [27, ParserStackType.CSI, 1], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); clearAccu(); // dispose SGR3 (async one) @@ -2050,8 +2085,134 @@ describe('EscapeSequenceParser - async', () => { [6, ParserStackType.CSI, 0], [15, ParserStackType.ESC, 0], [20, ParserStackType.ESC, 0], - [27, ParserStackType.CSI, 0] + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] ]); }); + it('multiple async OSC handlers', async () => { + // register with fallback + const OSC2 = parser.registerOscHandler(1, new OscHandler(async data => { callstack.push(['2# OSC 1', data]); return false; })); + await parseP(parser, INPUT); + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# OSC 1') assert.equal(callstack[i + 1][0], 'OSC 1', 'Should fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + OSC2.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + + // register without fallback + const OSC22 = parser.registerOscHandler(1, new OscHandler(async data => { callstack.push(['2# OSC 1', data]); return true; })); + await parseP(parser, INPUT); + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# OSC 1') assert.notEqual(callstack[i + 1][0], 'OSC 1', 'Should fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + OSC22.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + }); + it('multiple async DCS handlers', async () => { + // register with fallback + const DCS2 = parser.registerDcsHandler({final: 'a'}, new DcsHandler(async (data, params) => { callstack.push(['#2 DCS a', [data, params.toArray()]]); return false;})); + await parseP(parser, INPUT); + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# DCS a') assert.equal(callstack[i + 1][0], 'DCS a', 'Should fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + DCS2.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + + // register without fallback + const DCS22 = parser.registerDcsHandler({final: 'a'}, new DcsHandler(async (data, params) => { callstack.push(['#2 DCS a', [data, params.toArray()]]); return true;})); + await parseP(parser, INPUT); + for (let i = 0; i < callstack.length; ++i) { + const entry = callstack[i]; + if (entry[0] === '2# DCS a') assert.notEqual(callstack[i + 1][0], 'DCS a', 'Should fallback to original handler'); + } + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + // after dispose we should be back to RESULT + DCS22.dispose(); + await parseP(parser, INPUT); + assert.deepEqual(callstack, RESULT, 'Should not call custom handler'); + evalStackSaves(parser.trackedStack, [ + [6, ParserStackType.CSI, 0], + [15, ParserStackType.ESC, 0], + [20, ParserStackType.ESC, 0], + [27, ParserStackType.CSI, 0], + [41, ParserStackType.DCS, 0], + [54, ParserStackType.OSC, 0] + ]); + clearAccu(); + }); }); }); diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 79f8b844..3b5c1d05 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -492,7 +492,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP * --> Maybe easier: Give up on non-mutating rule for async handlers... * (needs explanation in docs about exact executor/thenable/worker execution contexts) * - * Example for proper parsing of multiple chunks: + * Boilerplate for proper parsing of multiple chunks with async handlers: * * ```typescript * async function parseMultipleChunks(chunks: Uint32Array[]): Promise { @@ -518,10 +518,14 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) { /** * Reject further parsing on improper continuation after pausing. - * This will happen with sync parse calls not awaiting a returned promise. - * It is a really bad condition with screwed up execution order, - * therefore we exit hard with an exception. - * FIXME: Do we need a method to escape from this broken parser state? (hard to achieve properly) + * This is a really bad condition with screwed up execution order and messed up terminal state, + * therefore we exit hard with an exception and reject any further parsing. + * + * Note: With `Terminal.write` usage this exception should never occur, as the top level + * calls are guaranteed to handle async conditions properly. If you ever encounter this + * exception in your terminal integration it indicates, that you injected data chunks to + * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for + * continuation of a running async handler. */ this._parseStack.state = ParserStackType.FAIL; throw new Error('improper continuation due to previous async handler, giving up parsing'); @@ -578,13 +582,13 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult)) { return handlerResult; } - if (code === 0x1b) transition |= ParserState.ESCAPE; + if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; this._params.reset(); this._params.addParam(0); // ZDM this._collect = 0; break; } - // cleanup before continuing with the main loop + // cleanup before continuing with the main sync loop this._parseStack.state = ParserStackType.NONE; start = this._parseStack.chunkPos + 1; this.precedingCodepoint = 0; From 9985ae2c38de82968a7bb7e4c5e496caf753698b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Thu, 25 Feb 2021 15:44:39 +0100 Subject: [PATCH 14/36] fix linter warning --- src/common/parser/EscapeSequenceParser.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 3b5c1d05..f9a14553 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -536,7 +536,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // - handlers are not exhausted yet // FIXME: removing handlers from within a handler of the same sequence // is not supported atm (also true for sync handlers)!! - let handlers = this._parseStack.handlers; + const handlers = this._parseStack.handlers; let handlerPos = this._parseStack.handlerPos - 1; switch (this._parseStack.state) { case ParserStackType.CSI: From d500b0f204ffad672139f63f78293a8e3ac11ff9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Thu, 25 Feb 2021 17:06:10 +0100 Subject: [PATCH 15/36] inputhandler tests --- src/common/InputHandler.test.ts | 59 +++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/src/common/InputHandler.test.ts b/src/common/InputHandler.test.ts index d127f673..0402f262 100644 --- a/src/common/InputHandler.test.ts +++ b/src/common/InputHandler.test.ts @@ -17,6 +17,7 @@ import { DEFAULT_OPTIONS } from 'common/services/OptionsService'; import { clone } from 'common/Clone'; import { BufferService } from 'common/services/BufferService'; import { CoreService } from 'common/services/CoreService'; +import { OscHandler } from 'common/parser/OscParser'; function getCursor(bufferService: IBufferService): number[] { return [ @@ -1805,3 +1806,61 @@ describe('InputHandler', () => { }); }); }); + + +describe('InputHandler - async handlers', () => { + let bufferService: IBufferService; + let coreService: ICoreService; + let optionsService: MockOptionsService; + let inputHandler: TestInputHandler; + + beforeEach(() => { + optionsService = new MockOptionsService(); + bufferService = new BufferService(optionsService); + bufferService.resize(80, 30); + coreService = new CoreService(() => {}, bufferService, new MockLogService(), optionsService); + coreService.onData(data => { console.log(data); }); + + inputHandler = new TestInputHandler(bufferService, new MockCharsetService(), coreService, new MockDirtyRowService(), new MockLogService(), optionsService, new MockCoreMouseService(), new MockUnicodeService()); + }); + + it('async CUP with CPR check', async () => { + const cup: number[][] = []; + const cpr: number[][] = []; + inputHandler.registerCsiHandler({final: 'H'}, async params => { + cup.push(params.toArray() as number[]); + await new Promise(res => setTimeout(res, 50)); + // late call of real repositioning + return inputHandler.cursorPosition(params); + }); + coreService.onData(data => { + const m = data.match(/\x1b\[(.*?);(.*?)R/); + if (m) { + cpr.push([parseInt(m[1]), parseInt(m[2])]); + } + }); + await inputHandler.parseP('aaa\x1b[3;4H\x1b[6nbbb\x1b[6;8H\x1b[6n'); + assert.deepEqual(cup, cpr); + }); + it('async OSC between', async () => { + inputHandler.registerOscHandler(1000, async data => { + await new Promise(res => setTimeout(res, 50)); + assert.deepEqual(getLines(bufferService, 2), ['hello world!', '']); + assert.equal(data, 'some data'); + return true; + }); + await inputHandler.parseP('hello world!\r\n\x1b]1000;some data\x07second line'); + assert.deepEqual(getLines(bufferService, 2), ['hello world!', 'second line']); + }); + it('async DCS between', async () => { + inputHandler.registerDcsHandler({final: 'a'}, async (data, params) => { + await new Promise(res => setTimeout(res, 50)); + assert.deepEqual(getLines(bufferService, 2), ['hello world!', '']); + assert.equal(data, 'some data'); + assert.deepEqual(params.toArray(), [1, 2]); + return true; + }); + await inputHandler.parseP('hello world!\r\n\x1bP1;2asome data\x1b\\second line'); + assert.deepEqual(getLines(bufferService, 2), ['hello world!', 'second line']); + }); +}); From 6b579215674808166b0f62c0ba5ba228967ef0b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Thu, 25 Feb 2021 17:41:16 +0100 Subject: [PATCH 16/36] async handler API tests --- test/api/Parser.api.ts | 117 ++++++++++++++++++++++++++++++++++++++--- 1 file changed, 111 insertions(+), 6 deletions(-) diff --git a/test/api/Parser.api.ts b/test/api/Parser.api.ts index ff82895d..7bd55544 100644 --- a/test/api/Parser.api.ts +++ b/test/api/Parser.api.ts @@ -14,8 +14,8 @@ let page: Page; const width = 800; const height = 600; -describe('Parser Integration Tests', function(): void { - before(async function(): Promise { +describe('Parser Integration Tests', function (): void { + before(async function (): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ headless: process.argv.indexOf('--headless') !== -1 @@ -39,7 +39,35 @@ describe('Parser Integration Tests', function(): void { }, ''); `); await writeSync(page, '\x1b[38;5;123mparams\x1b[38:2::50:100:150msubparams'); - assert.deepEqual(await page.evaluate(`(() => window._customCsiHandlerParams)();`), [[38, 5, 123], [38, [2, -1, 50, 100, 150]]]); + assert.deepEqual(await page.evaluate(`window._customCsiHandlerParams`), [ + [38, 5, 123], + [38, [2, -1, 50, 100, 150]] + ]); + }); + it('async', async () => { + await page.evaluate(` + window.term.reset(); + window._customCsiHandlerCallStack = []; + const _customCsiHandlerA = window.term.parser.registerCsiHandler({intermediates:'+', final: 'Z'}, params => { + window._customCsiHandlerCallStack.push(['A', params]); + return false; + }); + const _customCsiHandlerB = window.term.parser.registerCsiHandler({intermediates:'+', final: 'Z'}, async params => { + await new Promise(res => setTimeout(res, 50)); + window._customCsiHandlerCallStack.push(['B', params]); + return false; + }); + const _customCsiHandlerC = window.term.parser.registerCsiHandler({intermediates:'+', final: 'Z'}, params => { + window._customCsiHandlerCallStack.push(['C', params]); + return false; + }); + `); + await writeSync(page, '\x1b[1;2+Z'); + assert.deepEqual(await page.evaluate(`window._customCsiHandlerCallStack`), [ + ['C', [1, 2]], + ['B', [1, 2]], + ['A', [1, 2]] + ]); }); }); describe('registerDcsHandler', () => { @@ -61,7 +89,35 @@ describe('Parser Integration Tests', function(): void { }); `); await writeSync(page, '\x1bP1;2+psome data\x1b\\\\'); - assert.deepEqual(await page.evaluate(`(() => window._customDcsHandlerCallStack)();`), [['C', [1, 2], 'some data'], ['B', [1, 2], 'some data']]); + assert.deepEqual(await page.evaluate(`window._customDcsHandlerCallStack`), [ + ['C', [1, 2], 'some data'], + ['B', [1, 2], 'some data'] + ]); + }); + it('async', async () => { + await page.evaluate(` + window.term.reset(); + window._customDcsHandlerCallStack = []; + const _customDcsHandlerA = window.term.parser.registerDcsHandler({intermediates:'+', final: 'q'}, (data, params) => { + window._customDcsHandlerCallStack.push(['A', params, data]); + return false; + }); + const _customDcsHandlerB = window.term.parser.registerDcsHandler({intermediates:'+', final: 'q'}, async (data, params) => { + await new Promise(res => setTimeout(res, 50)); + window._customDcsHandlerCallStack.push(['B', params, data]); + return false; + }); + const _customDcsHandlerC = window.term.parser.registerDcsHandler({intermediates:'+', final: 'q'}, (data, params) => { + window._customDcsHandlerCallStack.push(['C', params, data]); + return false; + }); + `); + await writeSync(page, '\x1bP1;2+qsome data\x1b\\\\'); + assert.deepEqual(await page.evaluate(`window._customDcsHandlerCallStack`), [ + ['C', [1, 2], 'some data'], + ['B', [1, 2], 'some data'], + ['A', [1, 2], 'some data'] + ]); }); }); describe('registerEscHandler', () => { @@ -83,7 +139,28 @@ describe('Parser Integration Tests', function(): void { }); `); await writeSync(page, '\x1b(B'); - assert.deepEqual(await page.evaluate(`(() => window._customEscHandlerCallStack)();`), ['C', 'B']); + assert.deepEqual(await page.evaluate(`window._customEscHandlerCallStack`), ['C', 'B']); + }); + it('async', async () => { + await page.evaluate(` + window.term.reset(); + window._customEscHandlerCallStack = []; + const _customEscHandlerA = window.term.parser.registerEscHandler({intermediates:'(', final: 'Z'}, () => { + window._customEscHandlerCallStack.push('A'); + return false; + }); + const _customEscHandlerB = window.term.parser.registerEscHandler({intermediates:'(', final: 'Z'}, async () => { + await new Promise(res => setTimeout(res, 50)); + window._customEscHandlerCallStack.push('B'); + return false; + }); + const _customEscHandlerC = window.term.parser.registerEscHandler({intermediates:'(', final: 'Z'}, () => { + window._customEscHandlerCallStack.push('C'); + return false; + }); + `); + await writeSync(page, '\x1b(Z'); + assert.deepEqual(await page.evaluate(`window._customEscHandlerCallStack`), ['C', 'B', 'A']); }); }); describe('registerOscHandler', () => { @@ -105,7 +182,35 @@ describe('Parser Integration Tests', function(): void { }); `); await writeSync(page, '\x1b]1234;some data\x07'); - assert.deepEqual(await page.evaluate(`(() => window._customOscHandlerCallStack)();`), [['C', 'some data'], ['B', 'some data']]); + assert.deepEqual(await page.evaluate(`window._customOscHandlerCallStack`), [ + ['C', 'some data'], + ['B', 'some data'] + ]); + }); + it('async', async () => { + await page.evaluate(` + window.term.reset(); + window._customOscHandlerCallStack = []; + const _customOscHandlerA = window.term.parser.registerOscHandler(666, data => { + window._customOscHandlerCallStack.push(['A', data]); + return false; + }); + const _customOscHandlerB = window.term.parser.registerOscHandler(666, async data => { + await new Promise(res => setTimeout(res, 50)); + window._customOscHandlerCallStack.push(['B', data]); + return false; + }); + const _customOscHandlerC = window.term.parser.registerOscHandler(666, data => { + window._customOscHandlerCallStack.push(['C', data]); + return false; + }); + `); + await writeSync(page, '\x1b]666;some data\x07'); + assert.deepEqual(await page.evaluate(`window._customOscHandlerCallStack`), [ + ['C', 'some data'], + ['B', 'some data'], + ['A', 'some data'] + ]); }); }); }); From b4635eddf3ec6c206c32bc81e2aa22ef84d916e2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Thu, 25 Feb 2021 19:04:37 +0100 Subject: [PATCH 17/36] make reset async aware --- src/common/parser/DcsParser.ts | 6 +- .../parser/EscapeSequenceParser.test.ts | 4 +- src/common/parser/EscapeSequenceParser.ts | 173 ++++++++++-------- src/common/parser/OscParser.ts | 7 +- src/common/parser/Types.d.ts | 1 + 5 files changed, 111 insertions(+), 80 deletions(-) diff --git a/src/common/parser/DcsParser.ts b/src/common/parser/DcsParser.ts index 9f326099..5389b828 100644 --- a/src/common/parser/DcsParser.ts +++ b/src/common/parser/DcsParser.ts @@ -48,9 +48,13 @@ export class DcsParser implements IDcsParser { } public reset(): void { + // force cleanup leftover handlers if (this._active.length) { - this.unhook(false); + for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) { + this._active[j].unhook(false); + } } + this._stack.paused = false; this._active = EMPTY_HANDLERS; this._ident = 0; } diff --git a/src/common/parser/EscapeSequenceParser.test.ts b/src/common/parser/EscapeSequenceParser.test.ts index 6d00adda..4b23fa00 100644 --- a/src/common/parser/EscapeSequenceParser.test.ts +++ b/src/common/parser/EscapeSequenceParser.test.ts @@ -1847,7 +1847,9 @@ describe('EscapeSequenceParser - async', () => { // keeps being broken for further parse calls (sync and async) assert.throws(() => parseSync(parser, 'random'), 'improper continuation due to previous async handler, giving up parsing'); await throwsAsync(() => parseP(parser, 'foobar'), 'improper continuation due to previous async handler, giving up parsing'); - // FIXME: come up with a good recovery strategy + // reset should lift the error condition + parser.reset(); + await parseP(parser, INPUT); // does not throw anymore }); it('correct result on awaited parse call', async () => { await parseP(parser, INPUT); diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index f9a14553..9ed3e462 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -427,6 +427,15 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this._errorHandler = this._errorHandlerFb; } + /** + * Reset parser to initial values. + * + * This can also be used to lift the improper continuation error condition + * when dealing with async handlers. Use this only as a last resort to silence + * that error when the terminal has no pending data to be processed. Note that + * the interrupted async handler might continue its work in the future messing + * up the terminal state even further. + */ public reset(): void { this.currentState = this.initialState; this._oscParser.reset(); @@ -435,6 +444,13 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP this._params.addParam(0); // ZDM this._collect = 0; this.precedingCodepoint = 0; + // abort pending continuation from async handler + // Here the RESET type indicates, that the next parse call will + // ignore any saved stack, instead continues sync with next codepoint from GROUND + if (this._parseStack.state !== ParserStackType.NONE) { + this._parseStack.state = ParserStackType.RESET; + this._parseStack.handlers = []; // also release handlers ref + } } /** @@ -486,12 +502,6 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP * Important: With only sync handlers defined, parsing is completely synchronous as well. * As soon as an async handler is involved, synchronous parsing is not possible anymore. * - * FIXME: to be discussed - * While awaiting parse promises the terminal buffer state may not change. - * --> Implement lock semantics / promise chaining on buffer alterations? Waah, pandora's box ;) - * --> Maybe easier: Give up on non-mutating rule for async handlers... - * (needs explanation in docs about exact executor/thenable/worker execution contexts) - * * Boilerplate for proper parsing of multiple chunks with async handlers: * * ```typescript @@ -515,84 +525,95 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // resume from async handler if (this._parseStack.state) { - if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) { - /** - * Reject further parsing on improper continuation after pausing. - * This is a really bad condition with screwed up execution order and messed up terminal state, - * therefore we exit hard with an exception and reject any further parsing. - * - * Note: With `Terminal.write` usage this exception should never occur, as the top level - * calls are guaranteed to handle async conditions properly. If you ever encounter this - * exception in your terminal integration it indicates, that you injected data chunks to - * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for - * continuation of a running async handler. - */ - this._parseStack.state = ParserStackType.FAIL; - throw new Error('improper continuation due to previous async handler, giving up parsing'); - } + // allow sync parser reset even in continuation mode + // Note: can be used to recover parser from improper continuation error above + if (this._parseStack.state === ParserStackType.RESET) { + this._parseStack.state = ParserStackType.NONE; + start = this._parseStack.chunkPos + 1; // continue with next codepoint in GROUND + } else { + if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) { + /** + * Reject further parsing on improper continuation after pausing. + * This is a really bad condition with screwed up execution order and messed up terminal state, + * therefore we exit hard with an exception and reject any further parsing. + * + * Note: With `Terminal.write` usage this exception should never occur, as the top level + * calls are guaranteed to handle async conditions properly. If you ever encounter this + * exception in your terminal integration it indicates, that you injected data chunks to + * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for + * continuation of a running async handler. + * + * Its possible to get rid of this error condition by calling `reset`, but dont rely on that, + * as the pending async handler might mess up the terminal even further. Instead fix the faulty + * async handling, so this error will not be thrown anymore. + */ + this._parseStack.state = ParserStackType.FAIL; + throw new Error('improper continuation due to previous async handler, giving up parsing'); + } - // we have to resume the old handler loop if: - // - return value of the promise was `false` - // - handlers are not exhausted yet - // FIXME: removing handlers from within a handler of the same sequence - // is not supported atm (also true for sync handlers)!! - const handlers = this._parseStack.handlers; - let handlerPos = this._parseStack.handlerPos - 1; - switch (this._parseStack.state) { - case ParserStackType.CSI: - if (promiseResult === false && handlerPos > -1) { - for (; handlerPos >= 0; handlerPos--) { - if ((handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params)) !== false) { - if (handlerResult instanceof Promise) { - this._parseStack.handlerPos = handlerPos; - return handlerResult; + // we have to resume the old handler loop if: + // - return value of the promise was `false` + // - handlers are not exhausted yet + // FIXME: removing handlers from within a handler of the same sequence + // is not supported atm (also true for sync handlers)!! + const handlers = this._parseStack.handlers; + let handlerPos = this._parseStack.handlerPos - 1; + switch (this._parseStack.state) { + case ParserStackType.CSI: + if (promiseResult === false && handlerPos > -1) { + for (; handlerPos >= 0; handlerPos--) { + if ((handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params)) !== false) { + if (handlerResult instanceof Promise) { + this._parseStack.handlerPos = handlerPos; + return handlerResult; + } + break; } - break; } } - } - this._parseStack.handlers = []; - break; - case ParserStackType.ESC: - if (promiseResult === false && handlerPos > -1) { - for (; handlerPos >= 0; handlerPos--) { - if ((handlerResult = (handlers as EscHandlerType[])[handlerPos]()) !== false) { - if (handlerResult instanceof Promise) { - this._parseStack.handlerPos = handlerPos; - return handlerResult; + this._parseStack.handlers = []; + break; + case ParserStackType.ESC: + if (promiseResult === false && handlerPos > -1) { + for (; handlerPos >= 0; handlerPos--) { + if ((handlerResult = (handlers as EscHandlerType[])[handlerPos]()) !== false) { + if (handlerResult instanceof Promise) { + this._parseStack.handlerPos = handlerPos; + return handlerResult; + } + break; } - break; } } - } - this._parseStack.handlers = []; - break; - case ParserStackType.DCS: - code = data[this._parseStack.chunkPos]; - if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult)) { - return handlerResult; - } - if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; - this._params.reset(); - this._params.addParam(0); // ZDM - this._collect = 0; - break; - case ParserStackType.OSC: - code = data[this._parseStack.chunkPos]; - if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult)) { - return handlerResult; - } - if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; - this._params.reset(); - this._params.addParam(0); // ZDM - this._collect = 0; - break; + this._parseStack.handlers = []; + break; + case ParserStackType.DCS: + code = data[this._parseStack.chunkPos]; + if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult)) { + return handlerResult; + } + if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; + break; + case ParserStackType.OSC: + code = data[this._parseStack.chunkPos]; + if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult)) { + return handlerResult; + } + if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; + this._params.reset(); + this._params.addParam(0); // ZDM + this._collect = 0; + break; + } + // cleanup before continuing with the main sync loop + this._parseStack.state = ParserStackType.NONE; + start = this._parseStack.chunkPos + 1; + this.precedingCodepoint = 0; + this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK; } - // cleanup before continuing with the main sync loop - this._parseStack.state = ParserStackType.NONE; - start = this._parseStack.chunkPos + 1; - this.precedingCodepoint = 0; - this.currentState = this._parseStack.transition & TableAccess.TRANSITION_STATE_MASK; } // continue with main sync loop diff --git a/src/common/parser/OscParser.ts b/src/common/parser/OscParser.ts index b0b51e23..1516308c 100644 --- a/src/common/parser/OscParser.ts +++ b/src/common/parser/OscParser.ts @@ -46,10 +46,13 @@ export class OscParser implements IOscParser { } public reset(): void { - // cleanup handlers if payload was already sent + // force cleanup handlers if payload was already sent if (this._state === OscState.PAYLOAD) { - this.end(false); + for (let j = this._stack.paused ? this._stack.loopPosition - 1 : this._active.length - 1; j >= 0; --j) { + this._active[j].end(false); + } } + this._stack.paused = false; this._active = EMPTY_HANDLERS; this._id = -1; this._state = OscState.START; diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index dda798cc..26a02e83 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -245,6 +245,7 @@ export interface IHandlerCollection { export const enum ParserStackType { NONE = 0, FAIL, + RESET, CSI, ESC, OSC, From cc005a274dc440c40cf985fe1ebfa184e2f0f517 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Sat, 27 Feb 2021 20:18:41 +0100 Subject: [PATCH 18/36] multiple changes: - reorder exception throwing to be sync to band position - document WriteBuffer._innerWrite - remove any declarations - remove conditional assigments - use faster return value branching in all parsers - remove dead code in benchmark --- src/common/InputHandler.ts | 4 +- src/common/input/WriteBuffer.ts | 57 +++++++++++++++++++---- src/common/parser/DcsParser.ts | 28 +++++------ src/common/parser/EscapeSequenceParser.ts | 55 ++++++++++++---------- src/common/parser/OscParser.ts | 26 ++++++----- test/benchmark/Terminal.benchmark.ts | 22 --------- 6 files changed, 111 insertions(+), 81 deletions(-) diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index 08f04d9e..f663ded7 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -488,8 +488,8 @@ export class InputHandler extends Disposable implements IInputHandler { * execution stopped at async handler, stack saved, continue with * same chunk and the promise resolve value as `promiseResult` until the method returns `undefined` * - * Note: Never call this directly for a running terminal instance in production. - * Always use `Terminal.write`, which provides in-band blocking and correct exection order. + * Note: This method should only be called by `Terminal.write` to ensure correct execution order and + * proper continuation of async parser handlers. */ public parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise { let result: void | Promise; diff --git a/src/common/input/WriteBuffer.ts b/src/common/input/WriteBuffer.ts index c6178024..a2c70004 100644 --- a/src/common/input/WriteBuffer.ts +++ b/src/common/input/WriteBuffer.ts @@ -31,6 +31,12 @@ const WRITE_TIMEOUT_MS = 12; */ const WRITE_BUFFER_LENGTH_THRESHOLD = 50; +// queueMicrotask polyfill for nodejs < v11 +const qmt: (cb: () => void) => void = (typeof queueMicrotask === 'undefined') + ? (cb: () => void) => { Promise.resolve().then(cb); } + : queueMicrotask; + + export class WriteBuffer { private _writeBuffer: (string | Uint8Array)[] = []; private _callbacks: ((() => void) | undefined)[] = []; @@ -39,7 +45,9 @@ export class WriteBuffer { constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise) { } - // FIXME: does not work that way anymore with async handlers!!! + /** + * @deprecated Unreliable, to be removed soon. + */ public writeSync(data: string | Uint8Array): void { // force sync processing on pending data chunks to avoid in-band data scrambling // does the same as innerWrite but without event loop @@ -77,13 +85,40 @@ export class WriteBuffer { this._callbacks.push(callback); } - protected _innerWrite(d: number = 0, promiseResult: boolean = true): void { - let result: void | Promise; - const startTime = d || Date.now(); + /** + * Inner write call, that enters the sliced chunk processing by timing. + * + * `lastTime` indicates, when the last _innerWrite call had started. + * It is used to aggregate async handler execution under a timeout constraint + * effectively lowering the redrawing needs, schematically: + * + * macroTask _innerWrite: + * if (Date.now() - (lastTime | 0) < WRITE_TIMEOUT_MS): + * schedule microTask _innerWrite(lastTime) + * else: + * schedule macroTask _innerWrite(0) + * + * overall execution order on task queues: + * + * macrotasks: [...] --> _innerWrite(0) --> [...] --> screenUpdate --> [...] + * m t: | + * i a: [...] + * c s: | + * r k: while < timeout: + * o s: _innerWrite(timeout) + * + * `promiseResult` depicts the promise resolve value of an async handler. + * This value gets carried forward through all saved stack states of the + * paused parser for proper continuation. + * + * Note, for pure sync code `lastTime` and `promiseResult` have no meaning. + */ + protected _innerWrite(lastTime: number = 0, promiseResult: boolean = true): void { + const startTime = lastTime || Date.now(); while (this._writeBuffer.length > this._bufferOffset) { const data = this._writeBuffer[this._bufferOffset]; - - if (result = this._action(data, promiseResult)) { + const result = this._action(data, promiseResult); + if (result) { /** * If we get a promise as return value, we re-schedule the continuation * as thenable on the promise and exit right away. @@ -98,7 +133,6 @@ export class WriteBuffer { * * Exceptions on async handlers will be logged to console async, but do not interrupt * the input processing (continues with next handler at the current input position). - * FIXME: No clear exception handling rules for sync handlers yet (will exit whole processing?). */ /** @@ -127,7 +161,14 @@ export class WriteBuffer { // ? r => setTimeout(() => this._innerWrite(0, r)) // : r => this._innerWrite(startTime, r); - result.then(continuation, err => { setTimeout(() => { throw err; }); continuation(true); }); + // Handle exceptions synchronously to current band position, idea: + // 1. spawn a single microtask which we allow to throw hard + // 2. spawn a promise immediately resolving to `true` + // (executed on the same queue, thus properly aligned before continuation happens) + result.catch(err => { + qmt(() => {throw err;}); + return Promise.resolve(true); + }).then(continuation); return; } diff --git a/src/common/parser/DcsParser.ts b/src/common/parser/DcsParser.ts index 5389b828..6b5ddd6e 100644 --- a/src/common/parser/DcsParser.ts +++ b/src/common/parser/DcsParser.ts @@ -88,11 +88,11 @@ export class DcsParser implements IDcsParser { loopPosition: 0, fallThrough: false }; - public unhook(success: boolean, promiseResult?: boolean): void | Promise { + public unhook(success: boolean, promiseResult: boolean = true): void | Promise { if (!this._active.length) { this._handlerFb(this._ident, 'UNHOOK', success); } else { - let handlerResult: any = false; + let handlerResult: boolean | Promise = false; let j = this._active.length - 1; let fallThrough = false; if (this._stack.paused) { @@ -103,21 +103,22 @@ export class DcsParser implements IDcsParser { } if (!fallThrough && handlerResult === false) { for (; j >= 0; j--) { - if ((handlerResult = this._active[j].unhook(success)) !== false) { - if (handlerResult instanceof Promise) { - this._stack.paused = true; - this._stack.loopPosition = j; - this._stack.fallThrough = false; - return handlerResult; - } + handlerResult = this._active[j].unhook(success); + if (handlerResult === true) { break; + } else if (handlerResult instanceof Promise) { + this._stack.paused = true; + this._stack.loopPosition = j; + this._stack.fallThrough = false; + return handlerResult; } } j--; } // cleanup left over handlers (fallThrough for async) for (; j >= 0; j--) { - if ((handlerResult = this._active[j].unhook(false)) instanceof Promise) { + handlerResult = this._active[j].unhook(false); + if (handlerResult instanceof Promise) { this._stack.paused = true; this._stack.loopPosition = j; this._stack.fallThrough = true; @@ -171,10 +172,11 @@ export class DcsHandler implements IDcsHandler { if (this._hitLimit) { ret = false; } else if (success) { - if ((ret = this._handler(this._data, this._params)) instanceof Promise) { - // FIXME: should this be behind a catch rule? + ret = this._handler(this._data, this._params); + if (ret instanceof Promise) { + // need to hold data and params until `ret` got resolved + // dont care for errors, data will be freed anyway on next start return ret.then(res => { - // cleanup handler state late this._params = EMPTY_PARAMS; this._data = ''; this._hitLimit = false; diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index 9ed3e462..c1d80c5c 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -468,7 +468,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP handlers: ResumableHandlersType, handlerPos: number, transition: number, - chunkPos: number): void { + chunkPos: number + ): void { this._parseStack.state = state; this._parseStack.handlers = handlers; this._parseStack.handlerPos = handlerPos; @@ -521,12 +522,12 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP let code = 0; let transition = 0; let start = 0; - let handlerResult: any; + let handlerResult: void | boolean | Promise; // resume from async handler if (this._parseStack.state) { // allow sync parser reset even in continuation mode - // Note: can be used to recover parser from improper continuation error above + // Note: can be used to recover parser from improper continuation error below if (this._parseStack.state === ParserStackType.RESET) { this._parseStack.state = ParserStackType.NONE; start = this._parseStack.chunkPos + 1; // continue with next codepoint in GROUND @@ -534,8 +535,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP if (promiseResult === undefined || this._parseStack.state === ParserStackType.FAIL) { /** * Reject further parsing on improper continuation after pausing. - * This is a really bad condition with screwed up execution order and messed up terminal state, - * therefore we exit hard with an exception and reject any further parsing. + * This is a really bad condition with screwed up execution order and prolly messed up + * terminal state, therefore we exit hard with an exception and reject any further parsing. * * Note: With `Terminal.write` usage this exception should never occur, as the top level * calls are guaranteed to handle async conditions properly. If you ever encounter this @@ -543,8 +544,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP * `InputHandler.parse` or `EscapeSequenceParser.parse` synchronously without waiting for * continuation of a running async handler. * - * Its possible to get rid of this error condition by calling `reset`, but dont rely on that, - * as the pending async handler might mess up the terminal even further. Instead fix the faulty + * It is possible to get rid of this error by calling `reset`. But dont rely on that, + * as the pending async handler still might mess up the terminal later. Instead fix the faulty * async handling, so this error will not be thrown anymore. */ this._parseStack.state = ParserStackType.FAIL; @@ -554,20 +555,18 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP // we have to resume the old handler loop if: // - return value of the promise was `false` // - handlers are not exhausted yet - // FIXME: removing handlers from within a handler of the same sequence - // is not supported atm (also true for sync handlers)!! const handlers = this._parseStack.handlers; let handlerPos = this._parseStack.handlerPos - 1; switch (this._parseStack.state) { case ParserStackType.CSI: if (promiseResult === false && handlerPos > -1) { for (; handlerPos >= 0; handlerPos--) { - if ((handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params)) !== false) { - if (handlerResult instanceof Promise) { - this._parseStack.handlerPos = handlerPos; - return handlerResult; - } + handlerResult = (handlers as CsiHandlerType[])[handlerPos](this._params); + if (handlerResult === true) { break; + } else if (handlerResult instanceof Promise) { + this._parseStack.handlerPos = handlerPos; + return handlerResult; } } } @@ -576,12 +575,12 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP case ParserStackType.ESC: if (promiseResult === false && handlerPos > -1) { for (; handlerPos >= 0; handlerPos--) { - if ((handlerResult = (handlers as EscHandlerType[])[handlerPos]()) !== false) { - if (handlerResult instanceof Promise) { - this._parseStack.handlerPos = handlerPos; - return handlerResult; - } + handlerResult = (handlers as EscHandlerType[])[handlerPos](); + if (handlerResult === true) { break; + } else if (handlerResult instanceof Promise) { + this._parseStack.handlerPos = handlerPos; + return handlerResult; } } } @@ -589,7 +588,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; case ParserStackType.DCS: code = data[this._parseStack.chunkPos]; - if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult)) { + handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a, promiseResult); + if (handlerResult) { return handlerResult; } if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; @@ -599,7 +599,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP break; case ParserStackType.OSC: code = data[this._parseStack.chunkPos]; - if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult)) { + handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a, promiseResult); + if (handlerResult) { return handlerResult; } if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE; @@ -678,7 +679,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP for (; j >= 0; j--) { // true means success and to stop bubbling // a promise indicates an async handler that needs to finish before progressing - if ((handlerResult = handlers[j](this._params)) === true) { + handlerResult = handlers[j](this._params); + if (handlerResult === true) { break; } else if (handlerResult instanceof Promise) { this._preserveStack(ParserStackType.CSI, handlers, j, transition, i); @@ -716,7 +718,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP for (; jj >= 0; jj--) { // true means success and to stop bubbling // a promise indicates an async handler that needs to finish before progressing - if ((handlerResult = handlersEsc[jj]()) === true) { + handlerResult = handlersEsc[jj](); + if (handlerResult === true) { break; } else if (handlerResult instanceof Promise) { this._preserveStack(ParserStackType.ESC, handlersEsc, jj, transition, i); @@ -748,7 +751,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } break; case ParserAction.DCS_UNHOOK: - if (handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a)) { + handlerResult = this._dcsParser.unhook(code !== 0x18 && code !== 0x1a); + if (handlerResult) { this._preserveStack(ParserStackType.DCS, [], 0, transition, i); return handlerResult; } @@ -772,7 +776,8 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP } break; case ParserAction.OSC_END: - if (handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a)) { + handlerResult = this._oscParser.end(code !== 0x18 && code !== 0x1a); + if (handlerResult) { this._preserveStack(ParserStackType.OSC, [], 0, transition, i); return handlerResult; } diff --git a/src/common/parser/OscParser.ts b/src/common/parser/OscParser.ts index 1516308c..f043bd82 100644 --- a/src/common/parser/OscParser.ts +++ b/src/common/parser/OscParser.ts @@ -130,7 +130,7 @@ export class OscParser implements IOscParser { * Whether the OSC got aborted or finished normally * is indicated by `success`. */ - public end(success: boolean, promiseResult?: boolean): void | Promise { + public end(success: boolean, promiseResult: boolean = true): void | Promise { if (this._state === OscState.START) { return; } @@ -146,7 +146,7 @@ export class OscParser implements IOscParser { if (!this._active.length) { this._handlerFb(this._id, 'END', success); } else { - let handlerResult: any = false; + let handlerResult: boolean | Promise = false; let j = this._active.length - 1; let fallThrough = false; if (this._stack.paused) { @@ -157,14 +157,14 @@ export class OscParser implements IOscParser { } if (!fallThrough && handlerResult === false) { for (; j >= 0; j--) { - if ((handlerResult = this._active[j].end(success)) !== false) { - if (handlerResult instanceof Promise) { - this._stack.paused = true; - this._stack.loopPosition = j; - this._stack.fallThrough = false; - return handlerResult; - } + handlerResult = this._active[j].end(success); + if (handlerResult === true) { break; + } else if (handlerResult instanceof Promise) { + this._stack.paused = true; + this._stack.loopPosition = j; + this._stack.fallThrough = false; + return handlerResult; } } j--; @@ -173,7 +173,8 @@ export class OscParser implements IOscParser { // we always have to call .end for proper cleanup, // here we use `success` to indicate whether a handler should execute for (; j >= 0; j--) { - if ((handlerResult = this._active[j].end(false)) instanceof Promise) { + handlerResult = this._active[j].end(false); + if (handlerResult instanceof Promise) { this._stack.paused = true; this._stack.loopPosition = j; this._stack.fallThrough = true; @@ -220,7 +221,10 @@ export class OscHandler implements IOscHandler { if (this._hitLimit) { ret = false; } else if (success) { - if ((ret = this._handler(this._data)) instanceof Promise) { + ret = this._handler(this._data); + if (ret instanceof Promise) { + // need to hold data until `ret` got resolved + // dont care for errors, data will be freed anyway on next start return ret.then(res => { this._data = ''; this._hitLimit = false; diff --git a/test/benchmark/Terminal.benchmark.ts b/test/benchmark/Terminal.benchmark.ts index 7d0f5d84..40a3c208 100644 --- a/test/benchmark/Terminal.benchmark.ts +++ b/test/benchmark/Terminal.benchmark.ts @@ -44,28 +44,6 @@ perfContext('Terminal: ls -lR /usr/lib', () => { } }); - // perfContext('write/string/sync', () => { - // let terminal: Terminal; - // before(() => { - // terminal = new Terminal({cols: 80, rows: 25, scrollback: 1000}); - // }); - // new ThroughputRuntimeCase('', () => { - // terminal.writeSync(content); - // return {payloadSize: contentUtf8.length}; - // }, {fork: false}).showAverageThroughput(); - // }); - // - // perfContext('write/Utf8/sync', () => { - // let terminal: Terminal; - // before(() => { - // terminal = new Terminal({cols: 80, rows: 25, scrollback: 1000}); - // }); - // new ThroughputRuntimeCase('', () => { - // terminal.writeSync(content); - // return {payloadSize: contentUtf8.length}; - // }, {fork: false}).showAverageThroughput(); - // }); - perfContext('write/string/async', () => { let terminal: Terminal; before(() => { From 48a93c379fb2aa04a02317ae9c6768d1c7cc9465 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Sat, 27 Feb 2021 22:24:55 +0100 Subject: [PATCH 19/36] log a warning if an async handler takes too long --- src/common/InputHandler.ts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index f663ded7..228df3a3 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -20,6 +20,7 @@ import { AttributeData } from 'common/buffer/AttributeData'; import { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService, ICharsetService, IUnicodeService } from 'common/services/Services'; import { OscHandler } from 'common/parser/OscParser'; import { DcsHandler } from 'common/parser/DcsParser'; +import { LogLevel } from 'common/services/LogService'; /** * Map collect to glevel. Used in `selectCharset`. @@ -97,6 +98,9 @@ export enum WindowsOptionsReportType { GET_CELL_SIZE_PIXELS = 1 } +// create a warning log if an async handler takes longer than the limit (in ms) +const SLOW_ASYNC_LIMIT = 5000; + /** * DCS subparser implementations */ @@ -477,6 +481,13 @@ export class InputHandler extends Disposable implements IInputHandler { this._parseStack.decodedLength = decodedLength; this._parseStack.position = position; } + private _logSlowResolvingAsync(p: Promise): void { + // log a limited warning about an async taking too long + if ((this._logService as any)._logLevel <= LogLevel.WARN) { + Promise.race([p, new Promise((res, rej) => setTimeout(rej, SLOW_ASYNC_LIMIT))]) + .catch(() => console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`)); + } + } /** * Parse call with async handler support. @@ -502,6 +513,7 @@ export class InputHandler extends Disposable implements IInputHandler { if (wasPaused) { // assumption: _parseBuffer never mutates between async calls if (result = this._parser.parse(this._parseBuffer, this._parseStack.decodedLength, promiseResult)) { + this._logSlowResolvingAsync(result); return result; } cursorStartX = this._parseStack.cursorStartX; @@ -536,6 +548,7 @@ export class InputHandler extends Disposable implements IInputHandler { : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer); if (result = this._parser.parse(this._parseBuffer, len)) { this._preserveStack(cursorStartX, cursorStartY, len, i); + this._logSlowResolvingAsync(result); return result; } } @@ -546,6 +559,7 @@ export class InputHandler extends Disposable implements IInputHandler { : this._utf8Decoder.decode(data, this._parseBuffer); if (result = this._parser.parse(this._parseBuffer, len)) { this._preserveStack(cursorStartX, cursorStartY, len, 0); + this._logSlowResolvingAsync(result); return result; } } From cdd238d75e72b9ffe3b484242caa87be2cccd58b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Sun, 28 Feb 2021 13:53:06 +0100 Subject: [PATCH 20/36] do not timeout on faulty async handlers, continue with false to give default handlers chance to run --- src/common/InputHandler.ts | 9 +++++++-- src/common/input/WriteBuffer.ts | 2 +- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index 228df3a3..7ab2a186 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -484,8 +484,13 @@ export class InputHandler extends Disposable implements IInputHandler { private _logSlowResolvingAsync(p: Promise): void { // log a limited warning about an async taking too long if ((this._logService as any)._logLevel <= LogLevel.WARN) { - Promise.race([p, new Promise((res, rej) => setTimeout(rej, SLOW_ASYNC_LIMIT))]) - .catch(() => console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`)); + Promise.race([p, new Promise((res, rej) => setTimeout(() => rej('#SLOW_TIMEOUT'), SLOW_ASYNC_LIMIT))]) + .catch(err => { + if (err !== '#SLOW_TIMEOUT') { + throw err; + } + console.warn(`async parser handler taking longer than ${SLOW_ASYNC_LIMIT} ms`); + }); } } diff --git a/src/common/input/WriteBuffer.ts b/src/common/input/WriteBuffer.ts index a2c70004..d22de912 100644 --- a/src/common/input/WriteBuffer.ts +++ b/src/common/input/WriteBuffer.ts @@ -167,7 +167,7 @@ export class WriteBuffer { // (executed on the same queue, thus properly aligned before continuation happens) result.catch(err => { qmt(() => {throw err;}); - return Promise.resolve(true); + return Promise.resolve(false); }).then(continuation); return; } From 7968b7ce7e5811e684dc02f3ac42511ca68cae2f Mon Sep 17 00:00:00 2001 From: Python-37 <19404655+Python-37@users.noreply.github.com> Date: Wed, 10 Mar 2021 17:27:58 +0800 Subject: [PATCH 21/36] Fix bug of some IMEs cannot input in terminal Fix bug of QQ pinyin and Rime IME cannot input characters in terminal. --- css/xterm.css | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/css/xterm.css b/css/xterm.css index 7ddcc2d0..bbadb190 100644 --- a/css/xterm.css +++ b/css/xterm.css @@ -59,7 +59,7 @@ } .xterm .xterm-helper-textarea { - padding: 0; +/* padding: 0; */ border: 0; margin: 0; /* Move textarea out of the screen to the far left, so that the cursor is not visible */ From 8e7cdd25874c2792497888313c46e6dcd59c1242 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Wed, 17 Mar 2021 22:29:01 +0100 Subject: [PATCH 22/36] interface for inputhandler parse stack, proper typing of LogService.logLevel --- src/common/InputHandler.ts | 25 +++++++++++----------- src/common/TestUtils.test.ts | 3 ++- src/common/Types.d.ts | 10 ++++++++- src/common/services/LogService.ts | 35 ++++++++++++------------------- src/common/services/Services.ts | 9 ++++++++ 5 files changed, 46 insertions(+), 36 deletions(-) diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index 7ab2a186..a35f7981 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -4,7 +4,7 @@ * @license MIT */ -import { IInputHandler, IAttributeData, IDisposable, IWindowOptions, IAnsiColorChangeEvent } from 'common/Types'; +import { IInputHandler, IAttributeData, IDisposable, IWindowOptions, IAnsiColorChangeEvent, IParseStack } from 'common/Types'; import { C0, C1 } from 'common/data/EscapeSequences'; import { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets'; import { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser'; @@ -17,10 +17,9 @@ import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IFunctionId import { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content, UnderlineStyle } from 'common/buffer/Constants'; import { CellData } from 'common/buffer/CellData'; import { AttributeData } from 'common/buffer/AttributeData'; -import { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService, ICharsetService, IUnicodeService } from 'common/services/Services'; +import { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService, ICharsetService, IUnicodeService, LogLevelEnum } from 'common/services/Services'; import { OscHandler } from 'common/parser/OscParser'; import { DcsHandler } from 'common/parser/DcsParser'; -import { LogLevel } from 'common/services/LogService'; /** * Map collect to glevel. Used in `selectCharset`. @@ -263,6 +262,14 @@ export class InputHandler extends Disposable implements IInputHandler { private _onAnsiColorChange = new EventEmitter(); public get onAnsiColorChange(): IEvent { return this._onAnsiColorChange.event; } + private _parseStack: IParseStack = { + paused: false, + cursorStartX: 0, + cursorStartY: 0, + decodedLength: 0, + position: 0 + }; + constructor( private readonly _bufferService: IBufferService, private readonly _charsetService: ICharsetService, @@ -467,13 +474,6 @@ export class InputHandler extends Disposable implements IInputHandler { /** * Async parse support. */ - private _parseStack = { - paused: false, - cursorStartX: 0, - cursorStartY: 0, - decodedLength: 0, - position: 0 - }; private _preserveStack(cursorStartX: number, cursorStartY: number, decodedLength: number, position: number): void { this._parseStack.paused = true; this._parseStack.cursorStartX = cursorStartX; @@ -481,9 +481,10 @@ export class InputHandler extends Disposable implements IInputHandler { this._parseStack.decodedLength = decodedLength; this._parseStack.position = position; } + private _logSlowResolvingAsync(p: Promise): void { - // log a limited warning about an async taking too long - if ((this._logService as any)._logLevel <= LogLevel.WARN) { + // log a limited warning about an async handler taking too long + if (this._logService.logLevel <= LogLevelEnum.WARN) { Promise.race([p, new Promise((res, rej) => setTimeout(() => rej('#SLOW_TIMEOUT'), SLOW_ASYNC_LIMIT))]) .catch(err => { if (err !== '#SLOW_TIMEOUT') { diff --git a/src/common/TestUtils.test.ts b/src/common/TestUtils.test.ts index 35357744..01ceacbd 100644 --- a/src/common/TestUtils.test.ts +++ b/src/common/TestUtils.test.ts @@ -3,7 +3,7 @@ * @license MIT */ -import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, IPartialTerminalOptions, IDirtyRowService, ICoreMouseService, ICharsetService, IUnicodeService, IUnicodeVersionProvider } from 'common/services/Services'; +import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, IPartialTerminalOptions, IDirtyRowService, ICoreMouseService, ICharsetService, IUnicodeService, IUnicodeVersionProvider, LogLevelEnum } from 'common/services/Services'; import { IEvent, EventEmitter } from 'common/EventEmitter'; import { clone } from 'common/Clone'; import { DEFAULT_OPTIONS } from 'common/services/OptionsService'; @@ -92,6 +92,7 @@ export class MockDirtyRowService implements IDirtyRowService { export class MockLogService implements ILogService { public serviceBrand: any; + public logLevel = LogLevelEnum.DEBUG; public debug(message: any, ...optionalParams: any[]): void {} public info(message: any, ...optionalParams: any[]): void {} public warn(message: any, ...optionalParams: any[]): void {} diff --git a/src/common/Types.d.ts b/src/common/Types.d.ts index e345e11d..108d81ac 100644 --- a/src/common/Types.d.ts +++ b/src/common/Types.d.ts @@ -349,7 +349,7 @@ export interface IInputHandler { onTitleChange: IEvent; onRequestScroll: IEvent; - parse(data: string | Uint8Array): void; + parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise; print(data: Uint32Array, start: number, end: number): void; registerCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean | Promise): IDisposable; registerDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean | Promise): IDisposable; @@ -431,3 +431,11 @@ export interface IInputHandler { ESC ~ */ setgLevel(level: number): void; /** ESC # 8 */ screenAlignmentPattern(): void; } + +interface IParseStack { + paused: boolean; + cursorStartX: number; + cursorStartY: number; + decodedLength: number; + position: number; +} diff --git a/src/common/services/LogService.ts b/src/common/services/LogService.ts index 3c0ccaf1..de4e18f8 100644 --- a/src/common/services/LogService.ts +++ b/src/common/services/LogService.ts @@ -3,7 +3,7 @@ * @license MIT */ -import { ILogService, IOptionsService } from 'common/services/Services'; +import { ILogService, IOptionsService, LogLevelEnum } from 'common/services/Services'; type LogType = (message?: any, ...optionalParams: any[]) => void; @@ -19,21 +19,12 @@ interface IConsole { // module doesn't depend on them so we need to explicitly declare it. declare const console: IConsole; - -export enum LogLevel { - DEBUG = 0, - INFO = 1, - WARN = 2, - ERROR = 3, - OFF = 4 -} - -const optionsKeyToLogLevel: { [key: string]: LogLevel } = { - debug: LogLevel.DEBUG, - info: LogLevel.INFO, - warn: LogLevel.WARN, - error: LogLevel.ERROR, - off: LogLevel.OFF +const optionsKeyToLogLevel: { [key: string]: LogLevelEnum } = { + debug: LogLevelEnum.DEBUG, + info: LogLevelEnum.INFO, + warn: LogLevelEnum.WARN, + error: LogLevelEnum.ERROR, + off: LogLevelEnum.OFF }; const LOG_PREFIX = 'xterm.js: '; @@ -41,7 +32,7 @@ const LOG_PREFIX = 'xterm.js: '; export class LogService implements ILogService { public serviceBrand: any; - private _logLevel!: LogLevel; + public logLevel: LogLevelEnum = LogLevelEnum.OFF; constructor( @IOptionsService private readonly _optionsService: IOptionsService @@ -55,7 +46,7 @@ export class LogService implements ILogService { } private _updateLogLevel(): void { - this._logLevel = optionsKeyToLogLevel[this._optionsService.options.logLevel]; + this.logLevel = optionsKeyToLogLevel[this._optionsService.options.logLevel]; } private _evalLazyOptionalParams(optionalParams: any[]): void { @@ -72,25 +63,25 @@ export class LogService implements ILogService { } public debug(message: string, ...optionalParams: any[]): void { - if (this._logLevel <= LogLevel.DEBUG) { + if (this.logLevel <= LogLevelEnum.DEBUG) { this._log(console.log, message, optionalParams); } } public info(message: string, ...optionalParams: any[]): void { - if (this._logLevel <= LogLevel.INFO) { + if (this.logLevel <= LogLevelEnum.INFO) { this._log(console.info, message, optionalParams); } } public warn(message: string, ...optionalParams: any[]): void { - if (this._logLevel <= LogLevel.WARN) { + if (this.logLevel <= LogLevelEnum.WARN) { this._log(console.warn, message, optionalParams); } } public error(message: string, ...optionalParams: any[]): void { - if (this._logLevel <= LogLevel.ERROR) { + if (this.logLevel <= LogLevelEnum.ERROR) { this._log(console.error, message, optionalParams); } } diff --git a/src/common/services/Services.ts b/src/common/services/Services.ts index c733e73e..1fbf57fb 100644 --- a/src/common/services/Services.ts +++ b/src/common/services/Services.ts @@ -161,6 +161,8 @@ export const ILogService = createDecorator('LogService'); export interface ILogService { serviceBrand: undefined; + logLevel: LogLevelEnum; + debug(message: any, ...optionalParams: any[]): void; info(message: any, ...optionalParams: any[]): void; warn(message: any, ...optionalParams: any[]): void; @@ -181,6 +183,13 @@ export interface IOptionsService { export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number; export type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'off'; +export enum LogLevelEnum { + DEBUG = 0, + INFO = 1, + WARN = 2, + ERROR = 3, + OFF = 4 +} export type RendererType = 'dom' | 'canvas'; export interface IPartialTerminalOptions { From 869c11f1d8ce7edee3a262d904f8e4a4768ad746 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Wed, 17 Mar 2021 22:39:09 +0100 Subject: [PATCH 23/36] interface for subparser stack saves --- src/common/parser/DcsParser.ts | 12 ++++++------ src/common/parser/EscapeSequenceParser.ts | 16 +++++++++------- src/common/parser/OscParser.ts | 13 ++++++------- src/common/parser/Types.d.ts | 13 +++++++++++++ 4 files changed, 34 insertions(+), 20 deletions(-) diff --git a/src/common/parser/DcsParser.ts b/src/common/parser/DcsParser.ts index 6b5ddd6e..b66524ba 100644 --- a/src/common/parser/DcsParser.ts +++ b/src/common/parser/DcsParser.ts @@ -4,7 +4,7 @@ */ import { IDisposable } from 'common/Types'; -import { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType } from 'common/parser/Types'; +import { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType, ISubParserStackState } from 'common/parser/Types'; import { utf32ToString } from 'common/input/TextDecoder'; import { Params } from 'common/parser/Params'; import { PAYLOAD_LIMIT } from 'common/parser/Constants'; @@ -16,6 +16,11 @@ export class DcsParser implements IDcsParser { private _active: IDcsHandler[] = EMPTY_HANDLERS; private _ident: number = 0; private _handlerFb: DcsFallbackHandlerType = () => { }; + private _stack: ISubParserStackState = { + paused: false, + loopPosition: 0, + fallThrough: false + }; public dispose(): void { this._handlers = Object.create(null); @@ -83,11 +88,6 @@ export class DcsParser implements IDcsParser { } } - private _stack = { - paused: false, - loopPosition: 0, - fallThrough: false - }; public unhook(success: boolean, promiseResult: boolean = true): void | Promise { if (!this._active.length) { this._handlerFb(this._ident, 'UNHOOK', success); diff --git a/src/common/parser/EscapeSequenceParser.ts b/src/common/parser/EscapeSequenceParser.ts index c1d80c5c..f20a7e91 100644 --- a/src/common/parser/EscapeSequenceParser.ts +++ b/src/common/parser/EscapeSequenceParser.ts @@ -253,6 +253,15 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP protected _escHandlerFb: EscFallbackHandlerType; protected _errorHandlerFb: (state: IParsingState) => IParsingState; + // parser stack save for async handler support + protected _parseStack: IParserStackState = { + state: ParserStackType.NONE, + handlers: [], + handlerPos: 0, + transition: 0, + chunkPos: 0 + }; + constructor( protected readonly _transitions: TransitionTable = VT500_TRANSITION_TABLE ) { @@ -456,13 +465,6 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP /** * Async parse support. */ - protected _parseStack: IParserStackState = { - state: ParserStackType.NONE, - handlers: [], - handlerPos: 0, - transition: 0, - chunkPos: 0 - }; protected _preserveStack( state: ParserStackType, handlers: ResumableHandlersType, diff --git a/src/common/parser/OscParser.ts b/src/common/parser/OscParser.ts index f043bd82..32710aed 100644 --- a/src/common/parser/OscParser.ts +++ b/src/common/parser/OscParser.ts @@ -3,7 +3,7 @@ * @license MIT */ -import { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser } from 'common/parser/Types'; +import { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser, ISubParserStackState } from 'common/parser/Types'; import { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants'; import { utf32ToString } from 'common/input/TextDecoder'; import { IDisposable } from 'common/Types'; @@ -16,6 +16,11 @@ export class OscParser implements IOscParser { private _id = -1; private _handlers: IHandlerCollection = Object.create(null); private _handlerFb: OscFallbackHandlerType = () => { }; + private _stack: ISubParserStackState = { + paused: false, + loopPosition: 0, + fallThrough: false + }; public registerHandler(ident: number, handler: IOscHandler): IDisposable { if (this._handlers[ident] === undefined) { @@ -119,12 +124,6 @@ export class OscParser implements IOscParser { } } - private _stack = { - paused: false, - loopPosition: 0, - fallThrough: false - }; - /** * Indicates end of an OSC command. * Whether the OSC got aborted or finished normally diff --git a/src/common/parser/Types.d.ts b/src/common/parser/Types.d.ts index 26a02e83..3a621eab 100644 --- a/src/common/parser/Types.d.ts +++ b/src/common/parser/Types.d.ts @@ -242,6 +242,8 @@ export interface IHandlerCollection { /** * Types for async parser support. */ + +// type of saved stack state in parser export const enum ParserStackType { NONE = 0, FAIL, @@ -251,7 +253,11 @@ export const enum ParserStackType { OSC, DCS } + +// aggregate of resumable handler lists export type ResumableHandlersType = CsiHandlerType[] | EscHandlerType[]; + +// saved stack state of the parser export interface IParserStackState { state: ParserStackType; handlers: ResumableHandlersType; @@ -259,3 +265,10 @@ export interface IParserStackState { transition: number; chunkPos: number; } + +// saved stack state of subparser (OSC and DCS) +export interface ISubParserStackState { + paused: boolean; + loopPosition: number; + fallThrough: boolean; +} From 00bdd2805a27c2bef8d2e4ac7d61c2cdefa2c17b Mon Sep 17 00:00:00 2001 From: Daniel Imms Date: Thu, 18 Mar 2021 08:14:27 -0700 Subject: [PATCH 24/36] Ensure in js that the textarea is always > 1x1px --- css/xterm.css | 2 +- src/browser/input/CompositionHelper.ts | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/css/xterm.css b/css/xterm.css index bbadb190..7ddcc2d0 100644 --- a/css/xterm.css +++ b/css/xterm.css @@ -59,7 +59,7 @@ } .xterm .xterm-helper-textarea { -/* padding: 0; */ + padding: 0; border: 0; margin: 0; /* Move textarea out of the screen to the far left, so that the cursor is not visible */ diff --git a/src/browser/input/CompositionHelper.ts b/src/browser/input/CompositionHelper.ts index f93483d3..32f8bbb9 100644 --- a/src/browser/input/CompositionHelper.ts +++ b/src/browser/input/CompositionHelper.ts @@ -222,6 +222,9 @@ export class CompositionHelper { const compositionViewBounds = this._compositionView.getBoundingClientRect(); this._textarea.style.left = cursorLeft + 'px'; this._textarea.style.top = cursorTop + 'px'; + // Ensure the text area is at least 1x1, otherwise certain IMEs may break + this._textarea.style.width = Math.max(compositionViewBounds.width, 1) + 'px'; + this._textarea.style.height = Math.max(compositionViewBounds.height, 1) + 'px'; this._textarea.style.width = compositionViewBounds.width + 'px'; this._textarea.style.height = compositionViewBounds.height + 'px'; this._textarea.style.lineHeight = compositionViewBounds.height + 'px'; From 886f285ab7c54b29b4b0c4e15174e43743d2997d Mon Sep 17 00:00:00 2001 From: Daniel Imms Date: Thu, 18 Mar 2021 08:31:13 -0700 Subject: [PATCH 25/36] Remove old setting dimensions --- src/browser/input/CompositionHelper.ts | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/browser/input/CompositionHelper.ts b/src/browser/input/CompositionHelper.ts index 32f8bbb9..85cfc3b6 100644 --- a/src/browser/input/CompositionHelper.ts +++ b/src/browser/input/CompositionHelper.ts @@ -225,8 +225,6 @@ export class CompositionHelper { // Ensure the text area is at least 1x1, otherwise certain IMEs may break this._textarea.style.width = Math.max(compositionViewBounds.width, 1) + 'px'; this._textarea.style.height = Math.max(compositionViewBounds.height, 1) + 'px'; - this._textarea.style.width = compositionViewBounds.width + 'px'; - this._textarea.style.height = compositionViewBounds.height + 'px'; this._textarea.style.lineHeight = compositionViewBounds.height + 'px'; } From 5170a12cb1ff66c55557159eff0e8655c63111a7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Fri, 19 Mar 2021 01:07:43 +0100 Subject: [PATCH 26/36] silence writeSync warning --- src/common/CoreTerminal.ts | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index 50be0d7c..a8961451 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -22,7 +22,7 @@ */ import { Disposable } from 'common/Lifecycle'; -import { IInstantiationService, IOptionsService, IBufferService, ILogService, ICharsetService, ICoreService, ICoreMouseService, IUnicodeService, IDirtyRowService } from 'common/services/Services'; +import { IInstantiationService, IOptionsService, IBufferService, ILogService, ICharsetService, ICoreService, ICoreMouseService, IUnicodeService, IDirtyRowService, LogLevelEnum } from 'common/services/Services'; import { InstantiationService } from 'common/services/InstantiationService'; import { LogService } from 'common/services/LogService'; import { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService'; @@ -135,9 +135,13 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { * @deprecated Unreliable, will be removed soon. */ public writeSync(data: string | Uint8Array): void { - console.error('writeSync is unreliable and will be removed soon.'); + if (this._logService.logLevel <= LogLevelEnum.WARN && !this._hasBeenWarnedOnce) { + this._logService.warn('writeSync is unreliable and will be removed soon.'); + this._hasBeenWarnedOnce = true; + } this._writeBuffer.writeSync(data); } + private _hasBeenWarnedOnce = false; public resize(x: number, y: number): void { if (isNaN(x) || isNaN(y)) { From 5c5ca4e213c4bfe8b7a1cfa5fb65676af5b37a92 Mon Sep 17 00:00:00 2001 From: Daniel Imms <2193314+Tyriar@users.noreply.github.com> Date: Fri, 19 Mar 2021 06:24:42 -0700 Subject: [PATCH 27/36] Change warning to one per session not terminal --- src/common/CoreTerminal.ts | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index a8961451..0236d39f 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -40,6 +40,9 @@ import { IBufferSet } from 'common/buffer/Types'; import { InputHandler } from 'common/InputHandler'; import { WriteBuffer } from 'common/input/WriteBuffer'; +// Only trigger this warning a single time per session +let hasWriteSyncWarnHappened: boolean = false; + export abstract class CoreTerminal extends Disposable implements ICoreTerminal { protected readonly _instantiationService: IInstantiationService; protected readonly _bufferService: IBufferService; @@ -135,13 +138,12 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { * @deprecated Unreliable, will be removed soon. */ public writeSync(data: string | Uint8Array): void { - if (this._logService.logLevel <= LogLevelEnum.WARN && !this._hasBeenWarnedOnce) { + if (this._logService.logLevel <= LogLevelEnum.WARN && !hasWriteSyncWarnHappened) { this._logService.warn('writeSync is unreliable and will be removed soon.'); - this._hasBeenWarnedOnce = true; + hasWriteSyncWarnHappened = true; } this._writeBuffer.writeSync(data); } - private _hasBeenWarnedOnce = false; public resize(x: number, y: number): void { if (isNaN(x) || isNaN(y)) { From c2f4c4dd323413a650a695c5b0dde8b1c4c9902d Mon Sep 17 00:00:00 2001 From: Daniel Steinberg Date: Fri, 19 Mar 2021 18:40:36 -0400 Subject: [PATCH 28/36] Add gifcast to "Real-world uses" in README.md --- README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/README.md b/README.md index 26db59d0..d5488125 100644 --- a/README.md +++ b/README.md @@ -172,6 +172,7 @@ Xterm.js is used in several world-class applications to provide great terminal e - [**Commas**](https://github.com/CyanSalt/commas): Commas is a hackable terminal and command runner. - [**Devtron**](https://github.com/devtron-labs/devtron): Software Delivery Workflow For Kubernetes. - [**NxShell**](https://github.com/nxshell/nxshell): An easy to use new terminal for SSH. +- [**gifcast**](https://dstein64.github.io/gifcast/): Converts an asciinema cast to an animated GIF. [And much more...](https://github.com/xtermjs/xterm.js/network/dependents) Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it in our list. Note: Please add any new contributions to the end of the list only. From 61213159ee8f00550169b12147ebf21d58b823d6 Mon Sep 17 00:00:00 2001 From: Thomas Zilz Date: Thu, 25 Mar 2021 13:55:29 +0100 Subject: [PATCH 29/36] Test test --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index d5488125..d6e6cb7c 100644 --- a/README.md +++ b/README.md @@ -204,3 +204,5 @@ If you contribute code to this project, you are implicitly allowing your code to Copyright (c) 2017-2019, [The xterm.js authors](https://github.com/xtermjs/xterm.js/graphs/contributors) (MIT License)
Copyright (c) 2014-2017, SourceLair, Private Company ([www.sourcelair.com](https://www.sourcelair.com/home)) (MIT License)
Copyright (c) 2012-2013, Christopher Jeffrey (MIT License) +1 +hallo heiko From b666e6a924b5b16d575e5b4a36a33f38af2cd394 Mon Sep 17 00:00:00 2001 From: Thomas Zilz Date: Thu, 25 Mar 2021 13:59:20 +0100 Subject: [PATCH 30/36] =?UTF-8?q?Noch=20mehr=20=C3=A4nderungen?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- LICENSE | 6 ++++++ src/tsconfig-base.json | 1 + 2 files changed, 7 insertions(+) diff --git a/LICENSE b/LICENSE index 4472336c..2193d688 100644 --- a/LICENSE +++ b/LICENSE @@ -19,3 +19,9 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +asdfasd asdfasddf +asdfasd as +df +asdfasdf asdfasddfsad +f diff --git a/src/tsconfig-base.json b/src/tsconfig-base.json index 0cd951a7..d16ffcad 100644 --- a/src/tsconfig-base.json +++ b/src/tsconfig-base.json @@ -12,3 +12,4 @@ "experimentalDecorators": true } } +asdfasdf s From 61519cc10c375c4012faf35a196e3e9be48fe0cf Mon Sep 17 00:00:00 2001 From: Thomas Zilz Date: Thu, 25 Mar 2021 14:09:44 +0100 Subject: [PATCH 31/36] Revert "Test test" This reverts commit 61213159ee8f00550169b12147ebf21d58b823d6. --- README.md | 2 -- 1 file changed, 2 deletions(-) diff --git a/README.md b/README.md index d6e6cb7c..d5488125 100644 --- a/README.md +++ b/README.md @@ -204,5 +204,3 @@ If you contribute code to this project, you are implicitly allowing your code to Copyright (c) 2017-2019, [The xterm.js authors](https://github.com/xtermjs/xterm.js/graphs/contributors) (MIT License)
Copyright (c) 2014-2017, SourceLair, Private Company ([www.sourcelair.com](https://www.sourcelair.com/home)) (MIT License)
Copyright (c) 2012-2013, Christopher Jeffrey (MIT License) -1 -hallo heiko From 787ef30279777e1602bf0ca4d16c01a6bb4453d9 Mon Sep 17 00:00:00 2001 From: Thomas Zilz Date: Thu, 25 Mar 2021 14:09:47 +0100 Subject: [PATCH 32/36] =?UTF-8?q?Revert=20"Noch=20mehr=20=C3=A4nderungen"?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This reverts commit b666e6a924b5b16d575e5b4a36a33f38af2cd394. --- LICENSE | 6 ------ src/tsconfig-base.json | 1 - 2 files changed, 7 deletions(-) diff --git a/LICENSE b/LICENSE index 2193d688..4472336c 100644 --- a/LICENSE +++ b/LICENSE @@ -19,9 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -asdfasd asdfasddf -asdfasd as -df -asdfasdf asdfasddfsad -f diff --git a/src/tsconfig-base.json b/src/tsconfig-base.json index d16ffcad..0cd951a7 100644 --- a/src/tsconfig-base.json +++ b/src/tsconfig-base.json @@ -12,4 +12,3 @@ "experimentalDecorators": true } } -asdfasdf s From e106cd02cfcfe1c63144b2c3ab3affd9d3cbb5c8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= Date: Fri, 26 Mar 2021 12:46:39 +0100 Subject: [PATCH 33/36] fix callstack overflow of writeSync --- src/common/CoreTerminal.ts | 4 +- src/common/input/WriteBuffer.test.ts | 21 ++++++++++ src/common/input/WriteBuffer.ts | 60 +++++++++++++++++++--------- 3 files changed, 65 insertions(+), 20 deletions(-) diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index 0236d39f..c11554f1 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -137,12 +137,12 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal { * * @deprecated Unreliable, will be removed soon. */ - public writeSync(data: string | Uint8Array): void { + public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void { if (this._logService.logLevel <= LogLevelEnum.WARN && !hasWriteSyncWarnHappened) { this._logService.warn('writeSync is unreliable and will be removed soon.'); hasWriteSyncWarnHappened = true; } - this._writeBuffer.writeSync(data); + this._writeBuffer.writeSync(data, maxSubsequentCalls); } public resize(x: number, y: number): void { diff --git a/src/common/input/WriteBuffer.test.ts b/src/common/input/WriteBuffer.test.ts index d3dfebd0..89106423 100644 --- a/src/common/input/WriteBuffer.test.ts +++ b/src/common/input/WriteBuffer.test.ts @@ -85,5 +85,26 @@ describe('WriteBuffer', () => { done(); }); }); + it('writeSync called from action does not overflow callstack - issue #3265', () => { + wb = new WriteBuffer(data => { + const num = parseInt(data as string); + if (num < 1000000) { + wb.writeSync('' + (num + 1)); + } + }); + wb.writeSync('1'); + }); + it('writeSync maxSubsequentCalls argument', () => { + let last: string = ''; + wb = new WriteBuffer(data => { + last = data as string; + const num = parseInt(data as string); + if (num < 1000000) { + wb.writeSync('' + (num + 1), 10); + } + }); + wb.writeSync('1', 10); + assert.equal(last, '11'); // 1 + 10 sub calls = 11 + }); }); }); diff --git a/src/common/input/WriteBuffer.ts b/src/common/input/WriteBuffer.ts index d22de912..cc84c9ab 100644 --- a/src/common/input/WriteBuffer.ts +++ b/src/common/input/WriteBuffer.ts @@ -42,31 +42,55 @@ export class WriteBuffer { private _callbacks: ((() => void) | undefined)[] = []; private _pendingData = 0; private _bufferOffset = 0; + private _isSyncWriting = false; + private _syncCalls = 0; constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise) { } /** * @deprecated Unreliable, to be removed soon. */ - public writeSync(data: string | Uint8Array): void { + public writeSync(data: string | Uint8Array, maxSubsequentCalls?: number): void { + // stop writeSync recursions with maxSubsequentCalls argument + // This is dangerous to use as it will lose the current data chunk + // and return immediately. + if (maxSubsequentCalls !== undefined && this._syncCalls > maxSubsequentCalls) { + // comment next line if a whole loop block should only contain x `writeSync` calls + // (total flat vs. deep nested limit) + this._syncCalls = 0; + return; + } + // append chunk to buffer + this._pendingData += data.length; + this._writeBuffer.push(data); + this._callbacks.push(undefined); + + // increase recursion counter + this._syncCalls++; + // exit early if another writeSync loop is active + if (this._isSyncWriting) { + return; + } + this._isSyncWriting = true; + // force sync processing on pending data chunks to avoid in-band data scrambling // does the same as innerWrite but without event loop - if (this._writeBuffer.length) { - for (let i = this._bufferOffset; i < this._writeBuffer.length; ++i) { - const data = this._writeBuffer[i]; - const cb = this._callbacks[i]; - this._action(data); - if (cb) cb(); - } - // reset all to avoid reprocessing of chunks with scheduled innerWrite call - this._writeBuffer = []; - this._callbacks = []; - this._pendingData = 0; - // stop scheduled innerWrite by offset > length condition - this._bufferOffset = 0x7FFFFFFF; + // we have to do it here as single loop steps to not corrupt loop subject + // by another writeSync call triggered from _action + let chunk: string | Uint8Array | undefined; + while (chunk = this._writeBuffer.shift()) { + this._action(chunk); + const cb = this._callbacks.shift(); + if (cb) cb(); } - // handle current data chunk - this._action(data); + // reset to avoid reprocessing of chunks with scheduled innerWrite call + // stopping scheduled innerWrite by offset > length condition + this._pendingData = 0; + this._bufferOffset = 0x7FFFFFFF; + + // allow another writeSync to loop + this._isSyncWriting = false; + this._syncCalls = 0; } public write(data: string | Uint8Array, callback?: () => void): void { @@ -191,8 +215,8 @@ export class WriteBuffer { } setTimeout(() => this._innerWrite()); } else { - this._writeBuffer = []; - this._callbacks = []; + this._writeBuffer.length = 0; + this._callbacks.length = 0; this._pendingData = 0; this._bufferOffset = 0; } From de791cfb35897d9121729252c07a138dd1062e10 Mon Sep 17 00:00:00 2001 From: coderaiser Date: Sun, 28 Mar 2021 15:27:03 +0300 Subject: [PATCH 34/36] chore: lint using putout --- addons/xterm-addon-attach/src/AttachAddon.ts | 4 +- .../test/AttachAddon.api.ts | 2 +- addons/xterm-addon-fit/test/FitAddon.api.ts | 6 +-- addons/xterm-addon-ligatures/src/parse.ts | 6 +-- addons/xterm-addon-search/src/SearchAddon.ts | 6 +-- .../test/SearchAddon.api.ts | 2 +- .../test/SerializeAddon.api.ts | 2 +- .../test/Unicode11Addon.api.ts | 2 +- .../src/WebLinkProvider.ts | 4 +- .../test/WebLinksAddon.api.ts | 2 +- addons/xterm-addon-webgl/src/WebglRenderer.ts | 40 ++++++++++++++----- .../test/WebglRenderer.api.ts | 4 +- src/browser/MouseZoneManager.ts | 4 +- src/browser/Terminal.ts | 6 +-- src/common/CoreTerminal.ts | 2 +- src/common/InputHandler.test.ts | 4 +- src/common/InputHandler.ts | 2 +- 17 files changed, 59 insertions(+), 39 deletions(-) diff --git a/addons/xterm-addon-attach/src/AttachAddon.ts b/addons/xterm-addon-attach/src/AttachAddon.ts index 279d1b2e..035807ae 100644 --- a/addons/xterm-addon-attach/src/AttachAddon.ts +++ b/addons/xterm-addon-attach/src/AttachAddon.ts @@ -41,7 +41,9 @@ export class AttachAddon implements ITerminalAddon { } public dispose(): void { - this._disposables.forEach(d => d.dispose()); + for (const d of this._disposables) { + d.dispose(); + } } private _sendData(data: string): void { diff --git a/addons/xterm-addon-attach/test/AttachAddon.api.ts b/addons/xterm-addon-attach/test/AttachAddon.api.ts index 41e579f5..2dea645f 100644 --- a/addons/xterm-addon-attach/test/AttachAddon.api.ts +++ b/addons/xterm-addon-attach/test/AttachAddon.api.ts @@ -18,7 +18,7 @@ describe('AttachAddon', () => { before(async function(): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); diff --git a/addons/xterm-addon-fit/test/FitAddon.api.ts b/addons/xterm-addon-fit/test/FitAddon.api.ts index 1111dff0..5a5b3264 100644 --- a/addons/xterm-addon-fit/test/FitAddon.api.ts +++ b/addons/xterm-addon-fit/test/FitAddon.api.ts @@ -18,7 +18,7 @@ describe('FitAddon', () => { before(async function(): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); @@ -45,7 +45,7 @@ describe('FitAddon', () => { describe('proposeDimensions', () => { afterEach(async () => { - return unloadFit(); + return await unloadFit(); }); it('default', async function(): Promise { @@ -84,7 +84,7 @@ describe('FitAddon', () => { describe('fit', () => { afterEach(async () => { - return unloadFit(); + return await unloadFit(); }); it('default', async function(): Promise { diff --git a/addons/xterm-addon-ligatures/src/parse.ts b/addons/xterm-addon-ligatures/src/parse.ts index 5ad7747f..6289e468 100644 --- a/addons/xterm-addon-ligatures/src/parse.ts +++ b/addons/xterm-addon-ligatures/src/parse.ts @@ -68,7 +68,7 @@ function parseString(context: IParseContext, quoteChar: '\'' | '"'): string { while (context.offset < context.input.length) { const char = context.input[context.offset++]; if (escaped) { - if (/[0-9a-fA-F]/.test(char)) { + if (/[\dA-Fa-f]/.test(char)) { // Unicode escape context.offset--; str += parseUnicode(context); @@ -107,7 +107,7 @@ function parseIdentifier(context: IParseContext): string { while (context.offset < context.input.length) { const char = context.input[context.offset++]; if (escaped) { - if (/[0-9a-fA-F]/.test(char)) { + if (/[\dA-Fa-f]/.test(char)) { // Unicode escape context.offset--; str += parseUnicode(context); @@ -156,7 +156,7 @@ function parseUnicode(context: IParseContext): string { // of the escape and is swallowed. return unicodeToString(str); } - if (str.length >= 6 || !/[0-9a-fA-F]/.test(char)) { + if (str.length >= 6 || !/[\dA-Fa-f]/.test(char)) { // If the next character is not a valid hex digit or we have reached the // maximum of 6 digits in the escape, terminate the escape. context.offset--; diff --git a/addons/xterm-addon-search/src/SearchAddon.ts b/addons/xterm-addon-search/src/SearchAddon.ts index efc12662..64e89bb3 100644 --- a/addons/xterm-addon-search/src/SearchAddon.ts +++ b/addons/xterm-addon-search/src/SearchAddon.ts @@ -240,8 +240,8 @@ export class SearchAddon implements ITerminalAddon { * @param term the substring that starts at searchIndex */ private _isWholeWord(searchIndex: number, line: string, term: string): boolean { - return (((searchIndex === 0) || (NON_WORD_CHARACTERS.indexOf(line[searchIndex - 1]) !== -1)) && - (((searchIndex + term.length) === line.length) || (NON_WORD_CHARACTERS.indexOf(line[searchIndex + term.length]) !== -1))); + return ((searchIndex === 0) || (NON_WORD_CHARACTERS.includes(line[searchIndex - 1]))) && + (((searchIndex + term.length) === line.length) || (NON_WORD_CHARACTERS.includes(line[searchIndex + term.length]))); } /** @@ -262,7 +262,7 @@ export class SearchAddon implements ITerminalAddon { // Ignore wrapped lines, only consider on unwrapped line (first row of command string). const firstLine = terminal.buffer.active.getLine(row); - if (firstLine && firstLine.isWrapped) { + if (firstLine?.isWrapped) { if (isReverseSearch) { searchPosition.startCol += terminal.cols; return; diff --git a/addons/xterm-addon-search/test/SearchAddon.api.ts b/addons/xterm-addon-search/test/SearchAddon.api.ts index 3707aecd..b92dbc3a 100644 --- a/addons/xterm-addon-search/test/SearchAddon.api.ts +++ b/addons/xterm-addon-search/test/SearchAddon.api.ts @@ -20,7 +20,7 @@ describe('Search Tests', function(): void { before(async function(): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); diff --git a/addons/xterm-addon-serialize/test/SerializeAddon.api.ts b/addons/xterm-addon-serialize/test/SerializeAddon.api.ts index 47af9d91..d472d753 100644 --- a/addons/xterm-addon-serialize/test/SerializeAddon.api.ts +++ b/addons/xterm-addon-serialize/test/SerializeAddon.api.ts @@ -34,7 +34,7 @@ describe('SerializeAddon', () => { before(async function(): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); diff --git a/addons/xterm-addon-unicode11/test/Unicode11Addon.api.ts b/addons/xterm-addon-unicode11/test/Unicode11Addon.api.ts index d0e09da2..7369eeaa 100644 --- a/addons/xterm-addon-unicode11/test/Unicode11Addon.api.ts +++ b/addons/xterm-addon-unicode11/test/Unicode11Addon.api.ts @@ -18,7 +18,7 @@ describe('Unicode11Addon', () => { before(async function(): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); diff --git a/addons/xterm-addon-web-links/src/WebLinkProvider.ts b/addons/xterm-addon-web-links/src/WebLinkProvider.ts index 487d5fe6..f0caf974 100644 --- a/addons/xterm-addon-web-links/src/WebLinkProvider.ts +++ b/addons/xterm-addon-web-links/src/WebLinkProvider.ts @@ -41,7 +41,7 @@ export class WebLinkProvider implements ILinkProvider { } export class LinkComputer { - public static computeLink(y: number, regex: RegExp, terminal: Terminal, handler: (event: MouseEvent, uri: string) => void): ILink[] { + public static computeLink(y: number, regex: RegExp, terminal: Terminal, activate: (event: MouseEvent, uri: string) => void): ILink[] { const rex = new RegExp(regex.source, (regex.flags || '') + 'g'); const [line, startLineIndex] = LinkComputer._translateBufferLineToStringWithWrap(y - 1, false, terminal); @@ -89,7 +89,7 @@ export class LinkComputer { } }; - result.push({ range, text, activate: handler }); + result.push({ range, text, activate }); } return result; diff --git a/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts b/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts index 6e42ff96..47fd7911 100644 --- a/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts +++ b/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts @@ -18,7 +18,7 @@ describe('WebLinksAddon', () => { before(async function(): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); diff --git a/addons/xterm-addon-webgl/src/WebglRenderer.ts b/addons/xterm-addon-webgl/src/WebglRenderer.ts index 3bf74242..fecd5742 100644 --- a/addons/xterm-addon-webgl/src/WebglRenderer.ts +++ b/addons/xterm-addon-webgl/src/WebglRenderer.ts @@ -94,7 +94,9 @@ export class WebglRenderer extends Disposable implements IRenderer { } public dispose(): void { - this._renderLayers.forEach(l => l.dispose()); + for (const l of this._renderLayers) { + l.dispose(); + } this._core.screenElement!.removeChild(this._canvas); super.dispose(); } @@ -106,10 +108,10 @@ export class WebglRenderer extends Disposable implements IRenderer { public setColors(colors: IColorSet): void { this._colors = colors; // Clear layers and force a full render - this._renderLayers.forEach(l => { + for (const l of this._renderLayers) { l.setColors(this._terminal, this._colors); l.reset(this._terminal); - }); + } this._rectangleRenderer.setColors(); this._glyphRenderer.setColors(); @@ -136,7 +138,9 @@ export class WebglRenderer extends Disposable implements IRenderer { this._model.resize(this._terminal.cols, this._terminal.rows); // Resize all render layers - this._renderLayers.forEach(l => l.resize(this._terminal, this.dimensions)); + for (const l of this._renderLayers) { + l.resize(this._terminal, this.dimensions); + } // Resize the canvas this._canvas.width = this.dimensions.scaledCanvasWidth; @@ -168,15 +172,21 @@ export class WebglRenderer extends Disposable implements IRenderer { } public onBlur(): void { - this._renderLayers.forEach(l => l.onBlur(this._terminal)); + for (const l of this._renderLayers) { + l.onBlur(this._terminal); + } } public onFocus(): void { - this._renderLayers.forEach(l => l.onFocus(this._terminal)); + for (const l of this._renderLayers) { + l.onFocus(this._terminal); + } } public onSelectionChanged(start: [number, number] | undefined, end: [number, number] | undefined, columnSelectMode: boolean): void { - this._renderLayers.forEach(l => l.onSelectionChanged(this._terminal, start, end, columnSelectMode)); + for (const l of this._renderLayers) { + l.onSelectionChanged(this._terminal, start, end, columnSelectMode); + } this._updateSelectionModel(start, end, columnSelectMode); @@ -184,11 +194,15 @@ export class WebglRenderer extends Disposable implements IRenderer { } public onCursorMove(): void { - this._renderLayers.forEach(l => l.onCursorMove(this._terminal)); + for (const l of this._renderLayers) { + l.onCursorMove(this._terminal); + } } public onOptionsChanged(): void { - this._renderLayers.forEach(l => l.onOptionsChanged(this._terminal)); + for (const l of this._renderLayers) { + l.onOptionsChanged(this._terminal); + } this._updateDimensions(); this._refreshCharAtlas(); } @@ -222,7 +236,9 @@ export class WebglRenderer extends Disposable implements IRenderer { } public clear(): void { - this._renderLayers.forEach(l => l.reset(this._terminal)); + for (const l of this._renderLayers) { + l.reset(this._terminal); + } } public registerCharacterJoiner(handler: (text: string) => [number, number][]): number { @@ -245,7 +261,9 @@ export class WebglRenderer extends Disposable implements IRenderer { } // Update render layers - this._renderLayers.forEach(l => l.onGridChanged(this._terminal, start, end)); + for (const l of this._renderLayers) { + l.onGridChanged(this._terminal, start, end); + } // Tell renderer the frame is beginning if (this._glyphRenderer.beginFrame()) { diff --git a/addons/xterm-addon-webgl/test/WebglRenderer.api.ts b/addons/xterm-addon-webgl/test/WebglRenderer.api.ts index 558605e2..e0aa68e7 100644 --- a/addons/xterm-addon-webgl/test/WebglRenderer.api.ts +++ b/addons/xterm-addon-webgl/test/WebglRenderer.api.ts @@ -18,7 +18,7 @@ const height = 600; describe('WebGL Renderer Integration Tests', async () => { const browserType = getBrowserType(); - const isHeadless = process.argv.indexOf('--headless') !== -1; + const isHeadless = process.argv.includes('--headless'); // Firefox works only in non-headless mode https://github.com/microsoft/playwright/issues/1032 const areTestsEnabled = browserType.name() === 'chromium' || (browserType.name() === 'firefox' && !isHeadless); const itWebgl = areTestsEnabled ? it : it.skip; @@ -893,7 +893,7 @@ async function getCellColor(col: number, row: number): Promise { async function setupBrowser(options: ITerminalOptions = { rendererType: 'dom' }): Promise { const browserType = getBrowserType(); browser = await browserType.launch({ - headless: process.argv.indexOf('--headless') !== -1 + headless: process.argv.includes('--headless') }); page = await (await browser.newContext()).newPage(); await page.setViewportSize({ width, height }); diff --git a/src/browser/MouseZoneManager.ts b/src/browser/MouseZoneManager.ts index 59b6b0f1..b6740157 100644 --- a/src/browser/MouseZoneManager.ts +++ b/src/browser/MouseZoneManager.ts @@ -156,9 +156,7 @@ export class MouseZoneManager extends Disposable implements IMouseZoneManager { private _onTooltip(e: MouseEvent): void { this._tooltipTimeout = undefined; const zone = this._findZoneEventAt(e); - if (zone && zone.tooltipCallback) { - zone.tooltipCallback(e); - } + zone?.tooltipCallback(e); } private _onMouseDown(e: MouseEvent): void { diff --git a/src/browser/Terminal.ts b/src/browser/Terminal.ts index b0964c21..686ae68d 100644 --- a/src/browser/Terminal.ts +++ b/src/browser/Terminal.ts @@ -162,11 +162,11 @@ export class Terminal extends CoreTerminal implements ITerminal { private _changeAnsiColor(event: IAnsiColorChangeEvent): void { if (!this._colorManager) { return; } - event.colors.forEach(ansiColor => { + for (const ansiColor of event.colors) { const color = rgba.toColor(ansiColor.red, ansiColor.green, ansiColor.blue); this._colorManager!.colors.ansi[ansiColor.colorIndex] = color; - }); + } this._renderService?.setColors(this._colorManager!.colors); this.viewport?.onThemeChange(this._colorManager!.colors); @@ -834,7 +834,7 @@ export class Terminal extends CoreTerminal implements ITerminal { * Change the cursor style for different selection modes */ public updateCursorStyle(ev: KeyboardEvent): void { - if (this._selectionService && this._selectionService.shouldColumnSelect(ev)) { + if (this._selectionService?.shouldColumnSelect(ev)) { this.element!.classList.add('column-select'); } else { this.element!.classList.remove('column-select'); diff --git a/src/common/CoreTerminal.ts b/src/common/CoreTerminal.ts index c11554f1..384691ed 100644 --- a/src/common/CoreTerminal.ts +++ b/src/common/CoreTerminal.ts @@ -41,7 +41,7 @@ import { InputHandler } from 'common/InputHandler'; import { WriteBuffer } from 'common/input/WriteBuffer'; // Only trigger this warning a single time per session -let hasWriteSyncWarnHappened: boolean = false; +let hasWriteSyncWarnHappened = false; export abstract class CoreTerminal extends Disposable implements ICoreTerminal { protected readonly _instantiationService: IInstantiationService; diff --git a/src/common/InputHandler.test.ts b/src/common/InputHandler.test.ts index 0402f262..b5067193 100644 --- a/src/common/InputHandler.test.ts +++ b/src/common/InputHandler.test.ts @@ -1759,7 +1759,8 @@ describe('InputHandler', () => { assert.isNotNull(event); assert.deepEqual(event!.colors[0], { colorIndex: 19, red: 0xa1, green: 0xb2, blue: 0xc3 }); - }), + }); + it('4: should ignore incorrect Ansi color change data', () => { // this is testing a private method assert.isNull(inputHandler.parseAnsiColorChange('17;rgb:a/b/c')); @@ -1767,6 +1768,7 @@ describe('InputHandler', () => { assert.isNull(inputHandler.parseAnsiColorChange('17;rgba:aa/bb/cc')); assert.isNull(inputHandler.parseAnsiColorChange('rgb:aa/bb/cc')); }); + it('4: should parse a list of Ansi color changes', () => { // this is testing a private method const event = inputHandler.parseAnsiColorChange('19;rgb:a1/b2/c3;17;rgb:00/11/22;255;rgb:01/ef/2d'); diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts index a35f7981..13b0a0e7 100644 --- a/src/common/InputHandler.ts +++ b/src/common/InputHandler.ts @@ -2856,7 +2856,7 @@ export class InputHandler extends Disposable implements IInputHandler { protected _parseAnsiColorChange(data: string): IAnsiColorChangeEvent | null { const result: IAnsiColorChangeEvent = { colors: [] }; // example data: 5;rgb:aa/bb/cc - const regex = /(\d+);rgb:([0-9a-f]{2})\/([0-9a-f]{2})\/([0-9a-f]{2})/gi; + const regex = /(\d+);rgb:([\da-f]{2})\/([\da-f]{2})\/([\da-f]{2})/gi; let match; while ((match = regex.exec(data)) !== null) { From cbe056c27e14820c7f24aee5b5742a27e3267d28 Mon Sep 17 00:00:00 2001 From: "dependabot-preview[bot]" <27856297+dependabot-preview[bot]@users.noreply.github.com> Date: Mon, 29 Mar 2021 18:46:53 +0000 Subject: [PATCH 35/36] [Security] Bump y18n from 4.0.0 to 4.0.1 Bumps [y18n](https://github.com/yargs/y18n) from 4.0.0 to 4.0.1. **This update includes a security fix.** - [Release notes](https://github.com/yargs/y18n/releases) - [Changelog](https://github.com/yargs/y18n/blob/master/CHANGELOG.md) - [Commits](https://github.com/yargs/y18n/commits) Signed-off-by: dependabot-preview[bot] --- yarn.lock | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/yarn.lock b/yarn.lock index 8d8c9dd3..9b49f8db 100644 --- a/yarn.lock +++ b/yarn.lock @@ -4820,9 +4820,9 @@ xterm-benchmark@^0.1.3: typescript "^3.5.1" y18n@^4.0.0: - version "4.0.0" - resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b" - integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w== + version "4.0.1" + resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4" + integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ== yargs-parser@13.1.2, yargs-parser@^13.1.2: version "13.1.2" From dafe7ea3daeba3bd53e56b4f82ad4da0fdd81901 Mon Sep 17 00:00:00 2001 From: Daniel Imms <2193314+Tyriar@users.noreply.github.com> Date: Tue, 30 Mar 2021 04:45:41 -0700 Subject: [PATCH 36/36] Remove experimental note from webgl renderer Fixes #2033 --- addons/xterm-addon-webgl/README.md | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/addons/xterm-addon-webgl/README.md b/addons/xterm-addon-webgl/README.md index 026a738e..756999db 100644 --- a/addons/xterm-addon-webgl/README.md +++ b/addons/xterm-addon-webgl/README.md @@ -1,8 +1,6 @@ ## xterm-addon-webgl -An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables a WebGL-based renderer. This addon requires xterm.js v4+. - -⚠️ This is an experimental addon that is [missing some features and may be unstable](https://github.com/xtermjs/xterm.js/issues?q=is%3Aopen+is%3Aissue+label%3Aarea%2Faddon%2Fwebgl) ⚠️ +An addon for [xterm.js](https://github.com/xtermjs/xterm.js) that enables a WebGL2-based renderer. This addon requires xterm.js v4+. ### Install