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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Robert Ginda, <rginda@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
%{ C++
#include "jsdebug.h"
#include "nsAString.h"
%}
[ptr] native JSDContext(JSDContext);
[ptr] native JSDObject(JSDObject);
[ptr] native JSDProperty(JSDProperty);
[ptr] native JSDScript(JSDScript);
[ptr] native JSDStackFrameInfo(JSDStackFrameInfo);
[ptr] native JSDThreadState(JSDThreadState);
[ptr] native JSDValue(JSDValue);
[ptr] native JSRuntime(JSRuntime);
[ptr] native JSContext(JSContext);
/* interfaces we declare in this file */
interface jsdIDebuggerService;
interface jsdIFilter;
interface jsdINestCallback;
interface jsdIFilterEnumerator;
interface jsdIContextEnumerator;
interface jsdIScriptEnumerator;
interface jsdIScriptHook;
interface jsdIErrorHook;
interface jsdIExecutionHook;
interface jsdICallHook;
interface jsdIEphemeral;
interface jsdIContext;
interface jsdIStackFrame;
interface jsdIScript;
interface jsdIValue;
interface jsdIObject;
interface jsdIProperty;
/**
* Debugger service. It's not a good idea to have more than one active client of
* the debugger service.
*/
[scriptable, uuid(dc0a24db-f8ac-4889-80d0-6016545a2dda)]
interface jsdIDebuggerService : nsISupports
{
/** Internal use only. */
[noscript] readonly attribute JSDContext JSDContext;
/**
* Called when an error or warning occurs.
*/
attribute jsdIErrorHook errorHook;
/**
* Called when a jsdIScript is created or destroyed.
*/
attribute jsdIScriptHook scriptHook;
/**
* Called when the engine encounters a breakpoint.
*/
attribute jsdIExecutionHook breakpointHook;
/**
* Called when the engine encounters the debugger keyword.
*/
attribute jsdIExecutionHook debuggerHook;
/**
* Called when the errorHook returns false.
*/
attribute jsdIExecutionHook debugHook;
/**
* Called before the next PC is executed.
*/
attribute jsdIExecutionHook interruptHook;
/**
* Called when an exception is thrown (even if it will be caught.)
*/
attribute jsdIExecutionHook throwHook;
/**
* Called before and after a toplevel script is evaluated.
*/
attribute jsdICallHook topLevelHook;
/**
* Called before and after a function is called.
*/
attribute jsdICallHook functionHook;
/**
* VERSION_* values must be kept in sync with the JSVersion enumeration in
* jspubtd.h.
*/
/**
* Possible values for jsdIScript::version and jsdIContext::version.
*/
const long VERSION_1_0 = 100;
const long VERSION_1_1 = 110;
const long VERSION_1_2 = 120;
const long VERSION_1_3 = 130;
const long VERSION_1_4 = 140;
const long VERSION_1_5 = 150;
const long VERSION_DEFAULT = 0;
const long VERSION_UNKNOWN = -1;
/**
* These flags need to be kept in sync with the context flags defined in
* jsdebug.h
*/
/**
* Link native frames in call stacks.
*/
const unsigned long ENABLE_NATIVE_FRAMES = 0x01;
/**
* Normally, if a script has a 0 in JSD_SCRIPT_PROFILE_BIT it is included in
* profile data, otherwise it is not profiled. Setting the
* PROFILE_WHEN_SET flag reverses this convention.
*/
const unsigned long PROFILE_WHEN_SET = 0x02;
/**
* Normally, when the script in the top frame of a thread state has a 1 in
* JSD_SCRIPT_DEBUG_BIT, the execution hook is ignored. Setting the
* DEBUG_WHEN_SET flag reverses this convention.
*/
const unsigned long DEBUG_WHEN_SET = 0x04;
/**
* When this flag is set the internal call hook will collect profile data.
*/
const unsigned long COLLECT_PROFILE_DATA = 0x08;
/**
* When this flag is set, stack frames that are disabled for debugging
* will not appear in the call stack chain.
*/
const unsigned long HIDE_DISABLED_FRAMES = 0x10;
/**
* When this flag is set, the debugger will only check the
* JSD_SCRIPT_DEBUG_BIT on the top (most recent) stack frame. This
* makes it possible to stop in an enabled frame which was called from
* a stack that contains a disabled frame.
*
* When this flag is *not* set, any stack that contains a disabled frame
* will not be debugged (the execution hook will not be invoked.)
*
* This only applies when the reason for calling the hook would have
* been TYPE_INTERRUPTED or TYPE_THROW. TYPE_BREAKPOINT,
* TYPE_DEBUG_REQUESTED, and TYPE_DEBUGGER_KEYWORD always stop, regardless
* of this setting, as long as the top frame is not disabled.
*
* If HIDE_DISABLED_FRAMES is set, this is effectively set as well.
*/
const unsigned long MASK_TOP_FRAME_ONLY = 0x20;
/**
* This flag has been retired, do not re-use. It previously provided a hook
* for object allocation.
*/
const unsigned long DISABLE_OBJECT_TRACE_RETIRED = 0x40;
/**
* Debugger service flags.
*/
attribute unsigned long flags;
/**
* Major version number of implementation.
*/
readonly attribute unsigned long implementationMajor;
/**
* Minor version number of implementation.
*/
readonly attribute unsigned long implementationMinor;
/**
* Free form AUTF8String identifier for implementation.
*/
readonly attribute AUTF8String implementationString;
/**
* |true| if the debugger service has been turned on. This does not
* necessarily mean another app is actively using the service, as the
* autostart pref may have turned the service on.
*/
readonly attribute boolean isOn;
/**
* Turn on the debugger. This function should only be called from JavaScript
* code. The debugger will be enabled on the runtime the call is made on,
* as determined by nsIXPCNativeCallContext.
*/
void on ();
/**
* Turn on the debugger for a given runtime.
*
* @param rt The runtime you want to debug. You cannot turn the debugger
* on for multiple runtimes.
*/
[noscript] void onForRuntime (in JSRuntime rt);
/**
* Turn the debugger off. This will invalidate all of your jsdIEphemeral
* derived objects, and clear all of your breakpoints. In theory you
* should be able to turn the debugger back on at some later time without
* any problems.
*/
void off ();
/**
* Peek at the current pause depth of the debugger.
*
* @return depth Number of pause() calls still waiting to be unPause()d.
*/
readonly attribute unsigned long pauseDepth;
/**
* Temporarily disable the debugger. Hooks will not be called while the
* debugger is paused. Multiple calls to pause will increase the "pause
* depth", and equal number of unPause calles must be made to resume
* normal debugging.
*
* @return depth Number of times pause has been called since the debugger
* has been unpaused.
*/
unsigned long pause();
/**
* Undo a pause.
*
* @return depth The number of remaining pending pause calls.
*/
unsigned long unPause();
/**
* Force the engine to perform garbage collection.
*/
void GC();
/**
* Clear profile data for all scripts.
*/
void clearProfileData();
/**
* Adds an execution hook filter. These filters are consulted each time one
* of the jsdIExecutionHooks is about to be called. Filters are matched in
* a first in, first compared fashion. The first filter to match determines
* whether or not the hook is called. Use swapFilter to reorder existing
* filters, and removeFilter to remove them.
*
* If |filter| is already present this method throws NS_ERROR_INVALID_ARG.
*
* @param filter Object representing the filter to add.
* @param after Insert |filter| after this one. Pass null to insert at
* the beginning.
*/
void insertFilter (in jsdIFilter filter, in jsdIFilter after);
/**
* Same as insertFilter, except always add to the end of the list.
*/
void appendFilter (in jsdIFilter filter);
/**
* Remove a filter.
*
* If |filter| is not present this method throws NS_ERROR_INVALID_ARG.
*
* @param filter Object representing the filter to remove. Must be the exact
* object passed to addFilter, not just a new object with the same
* properties.
*/
void removeFilter (in jsdIFilter filter);
/**
* Swap position of two filters.
*
* If |filter_a| is not present, this method throws NS_ERROR_INVALID_ARG.
* If |filter_b| is not present, filter_a is replaced by filter_b.
* If |filter_a| == |filter_b|, then filter is refreshed.
*/
void swapFilters (in jsdIFilter filter_a, in jsdIFilter filter_b);
/**
* Enumerate registered filters. This routine refreshes each filter before
* passing them on to the enumeration function. Calling this with a null
* |enumerator| is equivalent to jsdIService::refreshFilters.
*
* @param enumerator jsdIFilterEnumerator instance to be called back for the
* enumeration.
*/
void enumerateFilters (in jsdIFilterEnumerator enumerator);
/**
* Force the debugger to resync its internal filter cache with the
* actual values in the jsdIFilter objects. To refresh a single filter
* use jsdIService::swapFilters. This method is equivalent to
* jsdIService::enumerateFilters with a null enumerator.
*/
void refreshFilters ();
/**
* Clear the list of filters.
*/
void clearFilters();
/**
* Enumerate all known contexts.
*/
void enumerateContexts (in jsdIContextEnumerator enumerator);
/**
* Enumerate all scripts the debugger knows about. Any scripts created
* before you turned the debugger on, or after turning the debugger off
* will not be available unless the autostart perf is set.
*
* @param enumerator jsdIScriptEnumerator instance to be called back for
* the enumeration.
*/
void enumerateScripts (in jsdIScriptEnumerator enumerator);
/**
* Clear all breakpoints in all scripts.
*/
void clearAllBreakpoints ();
/**
* When called from JavaScript, this method returns the jsdIValue wrapper
* for the given value. If a wrapper does not exist one will be created.
* When called from another language this method returns an xpconnect
* defined error code.
*/
jsdIValue wrapValue (/*in jsvalue value*/);
/**
* The same as above but to be called from C++.
*/
[noscript] jsdIValue wrapJSValue (in jsval value);
/* XXX these two routines are candidates for refactoring. The only problem
* is that it is not clear where and how they should land.
*/
/**
* Push a new network queue, and enter a new UI event loop.
* @param callback jsdINestCallback instance to be called back after the
* network queue has been pushed, but before the
* UI loop starts.
* @return depth returns the current number of times the event loop has been
* nested. your code can use it for sanity checks.
*/
unsigned long enterNestedEventLoop (in jsdINestCallback callback);
/**
* Exit the current nested event loop after the current iteration completes,
* and pop the network event queue.
*
* @return depth returns the current number of times the event loop has been
* nested. your code can use it for sanity checks.
*/
unsigned long exitNestedEventLoop ();
/**
* Output dump of JS heap.
*
* @param fileName Filename to dump the heap into.
*/
void dumpHeap (in AUTF8String fileName);
};
/* callback interfaces */
/**
* Object representing a pattern of global object and/or url the debugger should
* ignore. The debugger service itself will not modify properties of these
* objects.
*/
[scriptable, uuid(0c9189d9-4287-47a4-bca6-6ed65aaf737f)]
interface jsdIFilter : nsISupports
{
/**
* These two bytes of the flags attribute are reserved for interpretation
* by the jsdService implementation. You can do what you like with the
* remaining flags.
*/
const unsigned long FLAG_RESERVED_MASK = 0xFF;
/**
* Filters without this flag set are ignored.
*/
const unsigned long FLAG_ENABLED = 0x01;
/**
* Filters with this flag set are "pass" filters, they allow matching hooks
* to continue. Filters without this flag block matching hooks.
*/
const unsigned long FLAG_PASS = 0x02;
/**
* FLAG_* values from above, OR'd together.
*/
attribute unsigned long flags;
/**
* An nsISupports version of the global object to be filtered. A null glob
* matches all hooks. This attribute must be QI'able to the
* (non-scriptable) nsIScriptGlobalObject interface.
*
* The jsdIService caches this value internally, so if it changes you must
* swap the filter with itself using jsdIService::swapFilters.
*/
attribute nsISupports globalObject;
/**
* String representing the url pattern to be filtered. Supports limited
* glob matching, at the beginning and end of the pattern only. For example,
* "chrome://venkman*" filters all urls that start with chrome/venkman,
* "*.cgi" filters all cgi's, and "http://myserver/utils.js" filters only
* the utils.js file on "myserver". A null urlPattern matches all urls.
*
* The jsdIService caches this value internally, to if it changes you must
* swap the filter with itself using jsdIService::swapFilters.
*/
attribute AUTF8String urlPattern;
/**
* Line number for the start of this filter. Line numbers are one based.
* Assigning a 0 to this attribute will tell the debugger to ignore the
* entire file.
*/
attribute unsigned long startLine;
/**
* Line number for the end of this filter. Line numbers are one based.
* Assigning a 0 to this attribute will tell the debugger to ignore from
* |startLine| to the end of the file.
*/
attribute unsigned long endLine;
};
/**
* Pass an instance of one of these to jsdIDebuggerService::enterNestedEventLoop.
*/
[scriptable, uuid(88bea60f-9b5d-4b39-b08b-1c3a278782c6)]
interface jsdINestCallback : nsISupports
{
/**
* This method will be called after pre-nesting work has completed, such
* as pushing the js context and network event queue, but before the new
* event loop starts.
*/
void onNest ();
};
/**
* Pass an instance of one of these to jsdIDebuggerService::enumerateFilters.
*/
[scriptable, uuid(e391ba85-9379-4762-b387-558e38db730f)]
interface jsdIFilterEnumerator : nsISupports
{
/**
* The enumerateFilter method will be called once for every filter the
* debugger knows about.
*/
void enumerateFilter (in jsdIFilter filter);
};
/**
* Pass an instance of one of these to jsdIDebuggerService::enumerateScripts.
*/
[scriptable, uuid(5ba76b99-acb1-4ed8-a4e4-a716a7d9097e)]
interface jsdIScriptEnumerator : nsISupports
{
/**
* The enumerateScript method will be called once for every script the
* debugger knows about.
*/
void enumerateScript (in jsdIScript script);
};
/**
* Pass an instance of one of these to jsdIDebuggerService::enumerateContexts.
*/
[scriptable, uuid(d96af02e-3379-4db5-885d-fee28d178701)]
interface jsdIContextEnumerator : nsISupports
{
/**
* The enumerateContext method will be called once for every context
* currently in use.
*/
void enumerateContext (in jsdIContext executionContext);
};
/**
* Set jsdIDebuggerService::scriptHook to an instance of one of these.
*/
[scriptable, uuid(cf7ecc3f-361b-44af-84a7-4b0d6cdca204)]
interface jsdIScriptHook : nsISupports
{
/**
* Called when scripts are created.
*/
void onScriptCreated (in jsdIScript script);
/**
* Called when the JavaScript engine destroys a script. The jsdIScript
* object passed in will already be invalidated.
*/
void onScriptDestroyed (in jsdIScript script);
};
/**
* Hook instances of this interface up to the
* jsdIDebuggerService::functionHook and toplevelHook properties.
*/
[scriptable, uuid(191d2738-22e8-4756-b366-6c878c87d73b)]
interface jsdICallHook : nsISupports
{
/**
* TYPE_* values must be kept in sync with the JSD_HOOK_* #defines
* in jsdebug.h.
*/
/**
* Toplevel script is starting.
*/
const unsigned long TYPE_TOPLEVEL_START = 0;
/**
* Toplevel script has completed.
*/
const unsigned long TYPE_TOPLEVEL_END = 1;
/**
* Function is being called.
*/
const unsigned long TYPE_FUNCTION_CALL = 2;
/**
* Function is returning.
*/
const unsigned long TYPE_FUNCTION_RETURN = 3;
/**
* Called before the JavaScript engine executes a top level script or calls
* a function.
*/
void onCall (in jsdIStackFrame frame, in unsigned long type);
};
[scriptable, uuid(cea9ab1a-4b5d-416f-a197-9ffa7046f2ce)]
interface jsdIErrorHook : nsISupports
{
/**
* REPORT_* values must be kept in sync with JSREPORT_* #defines in
* jsapi.h
*/
/**
* Report is an error.
*/
const unsigned long REPORT_ERROR = 0x00;
/**
* Report is only a warning.
*/
const unsigned long REPORT_WARNING = 0x01;
/**
* Report represents an uncaught exception.
*/
const unsigned long REPORT_EXCEPTION = 0x02;
/**
* Report is due to strict mode.
*/
const unsigned long REPORT_STRICT = 0x04;
/**
* Called when the JavaScript engine encounters an error. Return |true|
* to pass the error along, |false| to invoke the debugHook.
*/
boolean onError (in AUTF8String message, in AUTF8String fileName,
in unsigned long line, in unsigned long pos,
in unsigned long flags, in unsigned long errnum,
in jsdIValue exc);
};
/**
* Hook instances of this interface up to the
* jsdIDebuggerService::breakpointHook, debuggerHook, errorHook, interruptHook,
* and throwHook properties.
*/
[scriptable, uuid(3a722496-9d78-4f0a-a797-293d9e8cb8d2)]
interface jsdIExecutionHook : nsISupports
{
/**
* TYPE_* values must be kept in sync with JSD_HOOK_* #defines in jsdebug.h.
*/
/**
* Execution stopped because we're in single step mode.
*/
const unsigned long TYPE_INTERRUPTED = 0;
/**
* Execution stopped by a trap instruction (i.e. breakoint.)
*/
const unsigned long TYPE_BREAKPOINT = 1;
/**
* Error handler returned an "invoke debugger" value.
*/
const unsigned long TYPE_DEBUG_REQUESTED = 2;
/**
* Debugger keyword encountered.
*/
const unsigned long TYPE_DEBUGGER_KEYWORD = 3;
/**
* Exception was thrown.
*/
const unsigned long TYPE_THROW = 4;
/**
* RETURN_* values must be kept in sync with JSD_HOOK_RETURN_* #defines in
* jsdebug.h.
*/
/**
* Indicates unrecoverable error processing the hook. This will cause
* the script being executed to be aborted without raising a JavaScript
* exception.
*/
const unsigned long RETURN_HOOK_ERROR = 0;
/**
* Continue processing normally. This is the "do nothing special" return
* value for all hook types *except* TYPE_THROW. Returning RETURN_CONTINUE
* from TYPE_THROW cause the exception to be ignored. Return
* RETURN_CONTINUE_THROW to continue exception processing from TYPE_THROW
* hooks.
*/
const unsigned long RETURN_CONTINUE = 1;
/**
* Same effect as RETURN_HOOK_ERROR.
*/
const unsigned long RETURN_ABORT = 2;
/**
* Return the value of the |val| parameter.
*/
const unsigned long RETURN_RET_WITH_VAL = 3;
/**
* Throw the value of the |val| parameter.
*/
const unsigned long RETURN_THROW_WITH_VAL = 4;
/**
* Continue the current throw.
*/
const unsigned long RETURN_CONTINUE_THROW = 5;
/**
* @param frame A jsdIStackFrame object representing the bottom stack frame.
* @param type One of the jsdIExecutionHook::TYPE_ constants.
* @param val in - Current exception (if any) when this method is called.
* out - If you return RETURN_THROW_WITH_VAL, value to be
* thrown.
* If you return RETURN_RET_WITH_VAL, value to return.
* All other return values, not significant.
* @retval One of the jsdIExecutionHook::RETURN_* constants.
*/
unsigned long onExecute (in jsdIStackFrame frame,
in unsigned long type, inout jsdIValue val);
};
/**
* Objects which inherit this interface may go away, with (jsdIScript) or
* without (all others) notification. These objects are generally wrappers
* around JSD structures that go away when you call jsdService::Off().
*/
[scriptable, uuid(46f1e23e-1dd2-11b2-9ceb-8285f2e95e69)]
interface jsdIEphemeral : nsISupports
{
/**
* |true| if this object is still valid. If not, many or all of the methods
* and/or properties of the inheritor may no longer be callable.
*/
readonly attribute boolean isValid;
/**
* Mark this instance as invalid.
*/
[noscript] void invalidate();
};
/* handle objects */
/**
* Context object. Only context's which are also nsISupports objects can be
* reflected by this interface.
*/
[scriptable, uuid(3e5c934d-6863-4d81-96f5-76a3b962fc2b)]
interface jsdIContext : jsdIEphemeral
{
/* Internal use only. */
[noscript] readonly attribute JSContext JSContext;
/**
* OPT_* values must be kept in sync with JSOPTION_* #defines in jsapi.h.
*/
/**
* Strict mode is on.
*/
const long OPT_STRICT = 0x01;
/**
* Warnings reported as errors.
*/
const long OPT_WERR = 0x02;
/**
* Makes eval() use the last object on its 'obj' param's scope chain as the
* ECMA 'variables object'.
*/
const long OPT_VAROBJFIX = 0x04;
/**
* Private data for this object is an nsISupports object. Attempting to
* alter this bit will result in an NS_ERROR_ILLEGAL_VALUE.
*/
const long OPT_ISUPPORTS = 0x08;
/**
* OPT_* values above, OR'd together.
*/
attribute unsigned long options;
/**
* Last version set on this context.
* Scripts typically select this with the "language" attribute.
* See the VERSION_* consts on jsdIDebuggerService.
*/
attribute long version;
/**
* Unique tag among all valid jsdIContext objects, useful as a hash key.
*/
readonly attribute unsigned long tag;
/**
* Private data for this context, if it is an nsISupports, |null| otherwise.
*/
readonly attribute nsISupports privateData;
/**
* Retrieve the underlying context wrapped by this jsdIContext.
*/
readonly attribute nsISupports wrappedContext;
/**
* Top of the scope chain for this context.
*/
readonly attribute jsdIValue globalObject;
/**
* |true| if this context should be allowed to run scripts, |false|
* otherwise. This attribute is only valid for contexts which implement
* nsIScriptContext. Setting or getting this attribute on any other
* context will throw a NS_ERROR_NO_INTERFACE exception.
*/
attribute boolean scriptsEnabled;
};
/**
* Stack frame objects. These are only valid inside the jsdIExecutionHook which
* gave it to you. After you return from that handler the bottom frame, and any
* frame you found attached through it, are invalidated via the jsdIEphemeral
* interface. Once a jsdIStackFrame has been invalidated all method and
* property accesses will throw a NS_ERROR_NOT_AVAILABLE exception.
*/
[scriptable, uuid(0633ca73-105e-4e8e-bcc5-13405d61754a)]
interface jsdIStackFrame : jsdIEphemeral
{
/** Internal use only. */
[noscript] readonly attribute JSDContext JSDContext;
/** Internal use only. */
[noscript] readonly attribute JSDThreadState JSDThreadState;
/** Internal use only. */
[noscript] readonly attribute JSDStackFrameInfo JSDStackFrameInfo;
/**
* True if stack frame represents a native frame.
*/
readonly attribute boolean isNative;
/**
* True if stack frame represents a frame created as a result of a debugger
* evaluation.
*/
readonly attribute boolean isDebugger;
/**
* True if stack frame is constructing a new object.
*/
readonly attribute boolean isConstructing;
/**
* Link to the caller's stack frame.
*/
readonly attribute jsdIStackFrame callingFrame;
/**
* Executon context.
*/
readonly attribute jsdIContext executionContext;
/**
* Function name executing in this stack frame.
*/
readonly attribute AUTF8String functionName;
/**
* Script running in this stack frame, null for native frames.
*/
readonly attribute jsdIScript script;
/**
* Current program counter in this stack frame.
*/
readonly attribute unsigned long pc;
/**
* Current line number (using the script's pc to line map.)
*/
readonly attribute unsigned long line;
/**
* Function object running in this stack frame.
*/
readonly attribute jsdIValue callee;
/**
* Top object in the scope chain.
*/
readonly attribute jsdIValue scope;
/**
* |this| object for this stack frame.
*/
readonly attribute jsdIValue thisValue;
/**
* Evaluate arbitrary JavaScript in this stack frame.
* @param bytes Script to be evaluated.
* @param fileName Filename to compile this script under. This is the
* filename you'll see in error messages, etc.
* @param line Starting line number for this script. One based.
* @retval Result of evaluating the script.
*/
boolean eval (in AString bytes, in AUTF8String fileName,
in unsigned long line, out jsdIValue result);
};
/**
* Script object. In JavaScript engine terms, there's a single script for each
* function, and one for the top level script.
*/
[scriptable, uuid(18e09893-f461-4b4b-94d3-776fb0069c6f)]
interface jsdIScript : jsdIEphemeral
{
/** Internal use only. */
[noscript] readonly attribute JSDContext JSDContext;
/** Internal use only. */
[noscript] readonly attribute JSDScript JSDScript;
/**
* Last version set on this context.
* Scripts typically select this with the "language" attribute.
* See the VERSION_* consts on jsdIDebuggerService.
*/
readonly attribute long version;
/**
* Tag value guaranteed unique among jsdIScript objects. Useful as a
* hash key in script.
*/
readonly attribute unsigned long tag;
/**
* FLAG_* values need to be kept in sync with JSD_SCRIPT_* #defines in
* jsdebug.h.
*/
/**
* Determines whether or not to collect profile information for this
* script. The context flag FLAG_PROFILE_WHEN_SET decides the logic.
*/
const unsigned long FLAG_PROFILE = 0x01;
/**
* Determines whether or not to ignore breakpoints, etc. in this script.
* The context flag JSD_DEBUG_WHEN_SET decides the logic.
*/
const unsigned long FLAG_DEBUG = 0x02;
/**
* FLAG_* attributes from above, OR'd together.
*/
attribute unsigned long flags;
/**
* Filename given for this script when it was compiled.
* This data is copied from the underlying structure when the jsdIScript
* instance is created and is therefore available even after the script is
* invalidated.
*/
readonly attribute AUTF8String fileName;
/**
* Function name for this script. "anonymous" for unnamed functions (or
* a function actually named anonymous), empty for top level scripts.
* This data is copied from the underlying structure when the jsdIScript
* instance is created and is therefore available even after the script is
* invalidated.
*/
readonly attribute AUTF8String functionName;
/**
* The names of the arguments for this function; empty if this is
* not a function.
*/
void getParameterNames([optional] out unsigned long count,
[array, size_is(count), retval] out wstring paramNames);
/**
* Fetch the function object as a jsdIValue.
*/
readonly attribute jsdIValue functionObject;
/**
* Source code for this script, without function declaration.
*/
readonly attribute AString functionSource;
/**
* Line number in source file containing the first line of this script.
* This data is copied from the underlying structure when the jsdIScript
* instance is created and is therefore available even after the script is
* invalidated.
*/
readonly attribute unsigned long baseLineNumber;
/**
* Total number of lines in this script.
* This data is copied from the underlying structure when the jsdIScript
* instance is created and is therefore available even after the script is
* invalidated.
*/
readonly attribute unsigned long lineExtent;
/**
* Number of times this script has been called.
*/
readonly attribute unsigned long callCount;
/**
* Number of times this script called itself, directly or indirectly.
*/
readonly attribute unsigned long maxRecurseDepth;
/**
* Shortest execution time recorded, in milliseconds.
*/
readonly attribute double minExecutionTime;
/**
* Longest execution time recorded, in milliseconds.
*/
readonly attribute double maxExecutionTime;
/**
* Total time spent in this function, in milliseconds.
*/
readonly attribute double totalExecutionTime;
/**
* Shortest execution time recorded, in milliseconds, excluding time spent
* in other called code.
*/
readonly attribute double minOwnExecutionTime;
/**
* Longest execution time recorded, in milliseconds, excluding time spent
* in other called code.
*/
readonly attribute double maxOwnExecutionTime;
/**
* Total time spent in this function, in milliseconds, excluding time spent
* in other called code.
*/
readonly attribute double totalOwnExecutionTime;
/**
* Clear profile data for this script.
*/
void clearProfileData();
const unsigned long PCMAP_SOURCETEXT = 1; /* map to actual source text */
const unsigned long PCMAP_PRETTYPRINT = 2; /* map to pretty printed source */
/**
* Get the closest line number to a given PC.
* The |pcmap| argument specifies which pc to source line map to use.
*/
unsigned long pcToLine (in unsigned long pc, in unsigned long pcmap);
/**
* Get the first PC associated with a line.
* The |pcmap| argument specifies which pc to source line map to use.
*/
unsigned long lineToPc (in unsigned long line, in unsigned long pcmap);
/**
* Determine is a particular line is executable, like checking that
* lineToPc == pcToLine, except in one call.
* The |pcmap| argument specifies which pc to source line map to use.
*/
boolean isLineExecutable (in unsigned long line, in unsigned long pcmap);
/**
* Set a breakpoint at a PC in this script.
*/
void setBreakpoint (in unsigned long pc);
/**
* Clear a breakpoint at a PC in this script.
*/
void clearBreakpoint (in unsigned long pc);
/**
* Clear all breakpoints set in this script.
*/
void clearAllBreakpoints ();
};
/**
* Value objects. Represents typeless JavaScript values (jsval in SpiderMonkey
* terminology.) These are valid until the debugger is turned off. Holding a
* jsdIValue adds a root for the underlying JavaScript value, so don't keep it
* if you don't need to.
*/
[scriptable, uuid(9cab158f-dc78-41dd-9d11-79e05cb3f2bd)]
interface jsdIValue : jsdIEphemeral
{
/** Internal use only. */
[noscript] readonly attribute JSDContext JSDContext;
/** Internal use only. */
[noscript] readonly attribute JSDValue JSDValue;
/**
* |false| unless the value is a function declared in script.
*/
readonly attribute boolean isNative;
/**
* |true| if the value represents a number, either double or integer.
* |false| for all other values, including numbers assigned as strings
* (eg. x = "1";)
*/
readonly attribute boolean isNumber;
/**
* |true| if the value represents a JavaScript primitive number or AUTF8String
*/
readonly attribute boolean isPrimitive;
/** Value is either |true| or |false|. */
const unsigned long TYPE_BOOLEAN = 0;
/** Value is a primitive number that is too large to fit in an integer. */
const unsigned long TYPE_DOUBLE = 1;
/** Value is a primitive number that fits into an integer. */
const unsigned long TYPE_INT = 2;
/** Value is a function. */
const unsigned long TYPE_FUNCTION = 3;
/** Value is |null|. */
const unsigned long TYPE_NULL = 4;
/** Value is an object. */
const unsigned long TYPE_OBJECT = 5;
/** Value is a primitive AUTF8String. */
const unsigned long TYPE_STRING = 6;
/** Value is void. */
const unsigned long TYPE_VOID = 7;
/**
* One of the TYPE_* values above.
*/
readonly attribute unsigned long jsType;
/**
* Prototype value if this value represents an object, null if the value is
* not an object or the object has no prototype.
*/
readonly attribute jsdIValue jsPrototype;
/**
* Parent value if this value represents an object, null if the value is not
* an object or the object has no parent.
*/
readonly attribute jsdIValue jsParent;
/**
* Class name if this value represents an object. Empty AUTF8String if the value
* is not an object.
*/
readonly attribute AUTF8String jsClassName;
/**
* Constructor name if this value represents an object. Empty AUTF8String if the
* value is not an object.
*/
readonly attribute jsdIValue jsConstructor;
/**
* Function name if this value represents a function. Empty AUTF8String if the
* value is not a function.
*/
readonly attribute AUTF8String jsFunctionName;
/**
* Value if interpreted as a boolean. Converts if necessary.
*/
readonly attribute boolean booleanValue;
/**
* Value if interpreted as a double. Converts if necessary.
*/
readonly attribute double doubleValue;
/**
* Value if interpreted as an integer. Converts if necessary.
*/
readonly attribute long intValue;
/**
* Value if interpreted as an object.
*/
readonly attribute jsdIObject objectValue;
/**
* Value if interpreted as a AUTF8String. Converts if necessary.
*/
readonly attribute AUTF8String stringValue;
/**
* Number of properties. 0 if the value is not an object, or the value is
* an object but has no properties.
*/
readonly attribute long propertyCount;
/**
* Retrieves all properties if this value represents an object. If this
* value is not an object a 0 element array is returned.
* @param propArray Array of jsdIProperty values for this value.
* @param length Size of array.
*/
void getProperties ([array, size_is(length)] out jsdIProperty propArray,
out unsigned long length);
/**
* Retrieves a single property from the value. Only valid if the value
* represents an object.
* @param name Name of the property to retrieve.
* @retval jsdIProperty for the requested property name or null if no
* property exists for the requested name.
*/
jsdIProperty getProperty (in AUTF8String name);
/**
* jsdIValues are wrappers around JavaScript engine structures. Much of the
* data is copied instead of shared. The refresh method is used to resync
* the jsdIValue with the underlying structure.
*/
void refresh();
/**
* When called from JavaScript, this method returns the JavaScript value
* wrapped by this jsdIValue. The calling script is free to use the result
* as it would any other JavaScript value.
* When called from another language this method returns an xpconnect
* defined error code.
*/
void getWrappedValue();
/**
* If this is a function value, return its associated jsdIScript.
* Otherwise, return null.
*/
readonly attribute jsdIScript script;
};
/**
* Properties specific to values which are also objects.
* XXX We don't add roots for these yet, so make sure you hold on to the
* jsdIValue from whence your jsdIObject instance came for at least as long as
* you hold the jsdIObject.
* XXX Maybe the jsClassName, jsConstructorName, and property related attribute/
* functions from jsdIValue should move to this interface. We could inherit from
* jsdIValue or use interface flattening or something.
*/
[scriptable, uuid(a735a94c-9d41-4997-8fcb-cfa8b649a5b7)]
interface jsdIObject : nsISupports
{
/** Internal use only. */
[noscript] readonly attribute JSDContext JSDContext;
/** Internal use only. */
[noscript] readonly attribute JSDObject JSDObject;
/**
* The URL (filename) that contains the script which caused this object
* to be created.
*/
readonly attribute AUTF8String creatorURL;
/**
* Line number in the creatorURL where this object was created.
*/
readonly attribute unsigned long creatorLine;
/**
* The URL (filename) that contains the script which defined the constructor
* used to create this object.
*/
readonly attribute AUTF8String constructorURL;
/**
* Line number in the creatorURL where this object was created.
*/
readonly attribute unsigned long constructorLine;
/**
* jsdIValue for this object.
*/
readonly attribute jsdIValue value;
};
/**
* Representation of a property of an object. When an instance is invalid, all
* method and property access will result in a NS_UNAVAILABLE error.
*/
[scriptable, uuid(4491ecd4-fb6b-43fb-bd6f-5d1473f1df24)]
interface jsdIProperty : jsdIEphemeral
{
/** Internal use only. */
[noscript] readonly attribute JSDContext JSDContext;
/** Internal use only. */
[noscript] readonly attribute JSDProperty JSDProperty;
/**
* FLAG_* values must be kept in sync with JSDPD_* #defines in jsdebug.h.
*/
/** visible to for/in loop */
const unsigned long FLAG_ENUMERATE = 0x01;
/** assignment is error */
const unsigned long FLAG_READONLY = 0x02;
/** property cannot be deleted */
const unsigned long FLAG_PERMANENT = 0x04;
/** property has an alias id */
const unsigned long FLAG_ALIAS = 0x08;
/** argument to function */
const unsigned long FLAG_ARGUMENT = 0x10;
/** local variable in function */
const unsigned long FLAG_VARIABLE = 0x20;
/** exception occurred looking up property, value is exception */
const unsigned long FLAG_EXCEPTION = 0x40;
/** native getter returned JS_FALSE without throwing an exception */
const unsigned long FLAG_ERROR = 0x80;
/** found via explicit lookup (property defined elsewhere.) */
const unsigned long FLAG_HINTED = 0x800;
/** FLAG_* values OR'd together, representing the flags for this property. */
readonly attribute unsigned long flags;
/** jsdIValue representing the alias for this property. */
readonly attribute jsdIValue alias;
/** name for this property. */
readonly attribute jsdIValue name;
/** value of this property. */
readonly attribute jsdIValue value;
/** slot number if this property is a local variable or parameter. */
readonly attribute unsigned long varArgSlot;
};
/*
[scriptable, uuid(a47adad2-1dd1-11b2-b9e9-8e67a47beca5)]
interface jsdISourceText : nsISupports
{};
[scriptable, uuid(b6d1c006-1dd1-11b2-b9d8-b4d1ccfb74d8)]
interface jsdIThreadState : nsISupports
{
[noscript] readonly attribute JSDContext JSDContext;
[noscript] readonly attribute JSDThreadState JSDThreadState;
readonly attribute unsigned long frameCount;
readonly attribute jsdIStackFrame topFrame;
attribute jsdIValue pendingException;
};
*/
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