Bug 1114962 - Update the in-tree copies of acorn and pretty-fast. r=past

acorn is now at db59bd0296c16796a07e82d2dc284861f464603e (untagged commit after
0.11.0 release).

pretty-fast is now at abc8c1133cc5443fb3bb50c426731821d27300a6 (tagged 0.2.0).

browser/devtools/scratchpad/test/browser_scratchpad_pprint_error_goto_line.js

@@ -15,28 +15,38 @@ function test()
     openScratchpad(runTests);
   }, true);
 
-  content.location = "data:text/html;charset=utf8,test Scratchpad pretty print error goto line.";
+  content.location = "data:text/html;charset=utf8,"
+    + "test Scratchpad pretty print error goto line.";
 }
 
 function testJumpToPrettyPrintError(sp, error, remark) {
   info("will test jumpToLine after prettyPrint error" + remark);
-    // CodeMirror lines and columns are 0-based, Scratchpad UI and error
-    // stack are 1-based.
-    is(/Invalid regexp flag \(3:10\)/.test(error), true, "prettyPrint expects error in editor text:\n" + error);
-    const errorLine = 3, errorColumn = 10;
-    const editorDoc = sp.editor.container.contentDocument;
-    sp.editor.jumpToLine();
-    const lineInput = editorDoc.querySelector("input");
-    const errorLocation = lineInput.value;
-    const [ inputLine, inputColumn ] = errorLocation.split(":");
-    is(inputLine, errorLine, "jumpToLine input field is set from editor selection (line)");
-    is(inputColumn, errorColumn, "jumpToLine input field is set from editor selection (column)");
-    EventUtils.synthesizeKey("VK_RETURN", { }, editorDoc.defaultView);
-    // CodeMirror lines and columns are 0-based, Scratchpad UI and error
-    // stack are 1-based.
-    const cursor = sp.editor.getCursor();
-    is(inputLine, cursor.line + 1, "jumpToLine goto error location (line)");
-    is(inputColumn, cursor.ch + 1, "jumpToLine goto error location (column)");
+
+  // CodeMirror lines and columns are 0-based, Scratchpad UI and error
+  // stack are 1-based.
+  is(/Invalid regular expression flag \(3:10\)/.test(error), true,
+     "prettyPrint expects error in editor text:\n" + error);
+
+  sp.editor.jumpToLine();
+
+  const editorDoc = sp.editor.container.contentDocument;
+  const lineInput = editorDoc.querySelector("input");
+  const errorLocation = lineInput.value;
+  const [ inputLine, inputColumn ] = errorLocation.split(":");
+  const errorLine = 3, errorColumn = 10;
+
+  is(inputLine, errorLine,
+     "jumpToLine input field is set from editor selection (line)");
+  is(inputColumn, errorColumn,
+     "jumpToLine input field is set from editor selection (column)");
+
+  EventUtils.synthesizeKey("VK_RETURN", { }, editorDoc.defaultView);
+
+  // CodeMirror lines and columns are 0-based, Scratchpad UI and error
+  // stack are 1-based.
+  const cursor = sp.editor.getCursor();
+  is(inputLine, cursor.line + 1, "jumpToLine goto error location (line)");
+  is(inputColumn, cursor.ch + 1, "jumpToLine goto error location (column)");
 }
 
 function runTests(sw, sp)
@@ -49,12 +59,14 @@ function runTests(sw, sp)
     "// line 5",
     ""
   ].join("\n"));
+
   sp.prettyPrint().then(aFulfill => {
     ok(false, "Expecting Invalid regexp flag (3:10)");
     finish();
   }, error => {
     testJumpToPrettyPrintError(sp, error, " (Bug 1005471, first time)");
   });
+
   sp.prettyPrint().then(aFulfill => {
     ok(false, "Expecting Invalid regexp flag (3:10)");
     finish();

toolkit/devtools/acorn/walk.js

@@ -32,6 +32,23 @@
     c(node, state);
   };
 
+  // An ancestor walk builds up an array of ancestor nodes (including
+  // the current node) and passes them to the callback as the state parameter.
+  exports.ancestor = function(node, visitors, base, state) {
+    if (!base) base = exports.base;
+    if (!state) state = [];
+    function c(node, st, override) {
+      var type = override || node.type, found = visitors[type];
+      if (node != st[st.length - 1]) {
+        st = st.slice();
+        st.push(node);
+      }
+      base[type](node, st, c);
+      if (found) found(node, st);
+    }
+    c(node, state);
+  };
+
   // A recursive walk is one where your functions override the default
   // walkers. They can modify and replace the state parameter that's
   // threaded through the walk, and can opt how and whether to walk
@@ -180,10 +197,10 @@
         c(cs.consequent[j], st, "Statement");
     }
   };
-  base.ReturnStatement = function(node, st, c) {
+  base.ReturnStatement = base.YieldExpression = function(node, st, c) {
     if (node.argument) c(node.argument, st, "Expression");
   };
-  base.ThrowStatement = function(node, st, c) {
+  base.ThrowStatement = base.SpreadElement = function(node, st, c) {
     c(node.argument, st, "Expression");
   };
   base.TryStatement = function(node, st, c) {
@@ -202,7 +219,7 @@
     if (node.update) c(node.update, st, "Expression");
     c(node.body, st, "Statement");
   };
-  base.ForInStatement = function(node, st, c) {
+  base.ForInStatement = base.ForOfStatement = function(node, st, c) {
     c(node.left, st, "ForInit");
     c(node.right, st, "Expression");
     c(node.body, st, "Statement");
@@ -240,10 +257,10 @@
   };
   base.ObjectExpression = function(node, st, c) {
     for (var i = 0; i < node.properties.length; ++i)
-      c(node.properties[i].value, st, "Expression");
+      c(node.properties[i], st);
   };
-  base.FunctionExpression = base.FunctionDeclaration;
-  base.SequenceExpression = function(node, st, c) {
+  base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration;
+  base.SequenceExpression = base.TemplateLiteral = function(node, st, c) {
     for (var i = 0; i < node.expressions.length; ++i)
       c(node.expressions[i], st, "Expression");
   };
@@ -268,7 +285,28 @@
     c(node.object, st, "Expression");
     if (node.computed) c(node.property, st, "Expression");
   };
-  base.Identifier = base.Literal = ignore;
+  base.Identifier = base.Literal = base.ExportDeclaration = base.ImportDeclaration = ignore;
+
+  base.TaggedTemplateExpression = function(node, st, c) {
+    c(node.tag, st, "Expression");
+    c(node.quasi, st);
+  };
+  base.ClassDeclaration = base.ClassExpression = function(node, st, c) {
+    if (node.superClass) c(node.superClass, st, "Expression");
+    for (var i = 0; i < node.body.body.length; i++)
+      c(node.body.body[i], st);
+  };
+  base.MethodDefinition = base.Property = function(node, st, c) {
+    if (node.computed) c(node.key, st, "Expression");
+    c(node.value, st, "Expression");
+  };
+  base.ComprehensionExpression = function(node, st, c) {
+    for (var i = 0; i < node.blocks.length; i++)
+      c(node.blocks[i].right, st, "Expression");
+    c(node.body, st, "Expression");
+  };
+
+  // NOTE: the stuff below is deprecated, and will be removed when 1.0 is released
 
   // A custom walker that keeps track of the scope chain and the
   // variables defined in it.

toolkit/devtools/pretty-fast/pretty-fast.js

@@ -5,9 +5,11 @@
  * http://opensource.org/licenses/BSD-2-Clause
  */
 (function (root, factory) {
-  if (typeof define === 'function' && define.amd) {
+  "use strict";
+
+  if (typeof define === "function" && define.amd) {
     define(factory);
-  } else if (typeof exports === 'object') {
+  } else if (typeof exports === "object") {
     module.exports = factory();
   } else {
     root.prettyFast = factory();
@@ -92,7 +94,9 @@
     if (lastToken.type.isAssign) {
       return true;
     }
-    return !!PRE_ARRAY_LITERAL_TOKENS[lastToken.type.keyword || lastToken.type.type];
+    return !!PRE_ARRAY_LITERAL_TOKENS[
+      lastToken.type.keyword || lastToken.type.type
+    ];
   }
 
   // If any of these tokens are followed by a token on a new line, we know that
@@ -209,7 +213,9 @@
     if (token.startLoc.line === lastToken.startLoc.line) {
       return false;
     }
-    if (PREVENT_ASI_AFTER_TOKENS[lastToken.type.type || lastToken.type.keyword]) {
+    if (PREVENT_ASI_AFTER_TOKENS[
+      lastToken.type.type || lastToken.type.keyword
+    ]) {
       return false;
     }
     if (PREVENT_ASI_BEFORE_TOKENS[token.type.type || token.type.keyword]) {
@@ -490,8 +496,8 @@
   }
 
   /**
-   * Make sure that we output the escaped character combination inside string literals
-   * instead of various problematic characters.
+   * Make sure that we output the escaped character combination inside string
+   * literals instead of various problematic characters.
    */
   var sanitize = (function () {
     var escapeCharacters = {
@@ -520,11 +526,11 @@
       + ")";
     var escapeCharactersRegExp = new RegExp(regExpString, "g");
 
-    return function(str) {
+    return function (str) {
       return str.replace(escapeCharactersRegExp, function (_, c) {
         return escapeCharacters[c];
       });
-    }
+    };
   }());
   /**
    * Add the given token to the pretty printed results.
@@ -533,14 +539,16 @@
    *        The token to add.
    * @param Function write
    *        The function to write pretty printed code to the result SourceNode.
-   * @param Object options
-   *        The options object.
    */
-  function addToken(token, write, options) {
+  function addToken(token, write) {
     if (token.type.type == "string") {
       write("'" + sanitize(token.value) + "'",
             token.startLoc.line,
             token.startLoc.column);
+    } else if (token.type.type == "regexp") {
+      write(String(token.value.value),
+            token.startLoc.line,
+            token.startLoc.column);
     } else {
       write(String(token.value != null ? token.value : token.type.type),
             token.startLoc.line,
@@ -584,7 +592,7 @@
    */
   function decrementsIndent(tokenType, stack) {
     return tokenType == "}"
-      || (tokenType == "]" && stack[stack.length - 1] == "[\n")
+      || (tokenType == "]" && stack[stack.length - 1] == "[\n");
   }
 
   /**
@@ -690,12 +698,13 @@
           for (var i = 0, len = buffer.length; i < len; i++) {
             lineStr += buffer[i];
           }
-          result.add(new SourceNode(bufferLine, bufferColumn, options.url, lineStr));
+          result.add(new SourceNode(bufferLine, bufferColumn, options.url,
+                                    lineStr));
           buffer.splice(0, buffer.length);
           bufferLine = -1;
           bufferColumn = -1;
         }
-      }
+      };
     }());
 
     // Whether or not we added a newline on after we added the last token.
@@ -773,7 +782,7 @@
       }
     });
 
-    while (true) {
+    for (;;) {
       token = getToken();
 
       ttk = token.type.keyword;
@@ -807,8 +816,8 @@
 
       prependWhiteSpace(token, lastToken, addedNewline, write, options,
                         indentLevel, stack);
-      addToken(token, write, options);
-      if (commentQueue.length == 0 || !commentQueue[0].trailing) {
+      addToken(token, write);
+      if (commentQueue.length === 0 || !commentQueue[0].trailing) {
         addedNewline = appendNewline(token, write, stack);
       }
 

toolkit/devtools/pretty-fast/tests/unit/test.js

@@ -1,4 +1,4 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2; fill-column: 80 -*- */
+/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2; fill-column: 80 -*- */
 
 "use strict";