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Diffstat (limited to 'V8Binding/v8/src/debug-delay.js')
| -rw-r--r-- | V8Binding/v8/src/debug-delay.js | 2035 |
1 files changed, 0 insertions, 2035 deletions
diff --git a/V8Binding/v8/src/debug-delay.js b/V8Binding/v8/src/debug-delay.js deleted file mode 100644 index cb789be..0000000 --- a/V8Binding/v8/src/debug-delay.js +++ /dev/null @@ -1,2035 +0,0 @@ -// Copyright 2006-2008 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Default number of frames to include in the response to backtrace request. -const kDefaultBacktraceLength = 10; - -const Debug = {}; - -// Regular expression to skip "crud" at the beginning of a source line which is -// not really code. Currently the regular expression matches whitespace and -// comments. -const sourceLineBeginningSkip = /^(?:\s*(?:\/\*.*?\*\/)*)*/; - -// Debug events which can occour in the V8 JavaScript engine. These originate -// from the API include file debug.h. -Debug.DebugEvent = { Break: 1, - Exception: 2, - NewFunction: 3, - BeforeCompile: 4, - AfterCompile: 5, - ScriptCollected: 6 }; - -// Types of exceptions that can be broken upon. -Debug.ExceptionBreak = { All : 0, - Uncaught: 1 }; - -// The different types of steps. -Debug.StepAction = { StepOut: 0, - StepNext: 1, - StepIn: 2, - StepMin: 3, - StepInMin: 4 }; - -// The different types of scripts matching enum ScriptType in objects.h. -Debug.ScriptType = { Native: 0, - Extension: 1, - Normal: 2 }; - -// The different types of script compilations matching enum -// Script::CompilationType in objects.h. -Debug.ScriptCompilationType = { Host: 0, - Eval: 1, - JSON: 2 }; - -// The different script break point types. -Debug.ScriptBreakPointType = { ScriptId: 0, - ScriptName: 1 }; - -function ScriptTypeFlag(type) { - return (1 << type); -} - -// Globals. -var next_response_seq = 0; -var next_break_point_number = 1; -var break_points = []; -var script_break_points = []; - - -// Create a new break point object and add it to the list of break points. -function MakeBreakPoint(source_position, opt_line, opt_column, opt_script_break_point) { - var break_point = new BreakPoint(source_position, opt_line, opt_column, opt_script_break_point); - break_points.push(break_point); - return break_point; -} - - -// Object representing a break point. -// NOTE: This object does not have a reference to the function having break -// point as this would cause function not to be garbage collected when it is -// not used any more. We do not want break points to keep functions alive. -function BreakPoint(source_position, opt_line, opt_column, opt_script_break_point) { - this.source_position_ = source_position; - this.source_line_ = opt_line; - this.source_column_ = opt_column; - if (opt_script_break_point) { - this.script_break_point_ = opt_script_break_point; - } else { - this.number_ = next_break_point_number++; - } - this.hit_count_ = 0; - this.active_ = true; - this.condition_ = null; - this.ignoreCount_ = 0; -} - - -BreakPoint.prototype.number = function() { - return this.number_; -}; - - -BreakPoint.prototype.func = function() { - return this.func_; -}; - - -BreakPoint.prototype.source_position = function() { - return this.source_position_; -}; - - -BreakPoint.prototype.hit_count = function() { - return this.hit_count_; -}; - - -BreakPoint.prototype.active = function() { - if (this.script_break_point()) { - return this.script_break_point().active(); - } - return this.active_; -}; - - -BreakPoint.prototype.condition = function() { - if (this.script_break_point() && this.script_break_point().condition()) { - return this.script_break_point().condition(); - } - return this.condition_; -}; - - -BreakPoint.prototype.ignoreCount = function() { - return this.ignoreCount_; -}; - - -BreakPoint.prototype.script_break_point = function() { - return this.script_break_point_; -}; - - -BreakPoint.prototype.enable = function() { - this.active_ = true; -}; - - -BreakPoint.prototype.disable = function() { - this.active_ = false; -}; - - -BreakPoint.prototype.setCondition = function(condition) { - this.condition_ = condition; -}; - - -BreakPoint.prototype.setIgnoreCount = function(ignoreCount) { - this.ignoreCount_ = ignoreCount; -}; - - -BreakPoint.prototype.isTriggered = function(exec_state) { - // Break point not active - not triggered. - if (!this.active()) return false; - - // Check for conditional break point. - if (this.condition()) { - // If break point has condition try to evaluate it in the top frame. - try { - var mirror = exec_state.frame(0).evaluate(this.condition()); - // If no sensible mirror or non true value break point not triggered. - if (!(mirror instanceof ValueMirror) || !%ToBoolean(mirror.value_)) { - return false; - } - } catch (e) { - // Exception evaluating condition counts as not triggered. - return false; - } - } - - // Update the hit count. - this.hit_count_++; - if (this.script_break_point_) { - this.script_break_point_.hit_count_++; - } - - // If the break point has an ignore count it is not triggered. - if (this.ignoreCount_ > 0) { - this.ignoreCount_--; - return false; - } - - // Break point triggered. - return true; -}; - - -// Function called from the runtime when a break point is hit. Returns true if -// the break point is triggered and supposed to break execution. -function IsBreakPointTriggered(break_id, break_point) { - return break_point.isTriggered(MakeExecutionState(break_id)); -} - - -// Object representing a script break point. The script is referenced by its -// script name or script id and the break point is represented as line and -// column. -function ScriptBreakPoint(type, script_id_or_name, opt_line, opt_column, - opt_groupId) { - this.type_ = type; - if (type == Debug.ScriptBreakPointType.ScriptId) { - this.script_id_ = script_id_or_name; - } else { // type == Debug.ScriptBreakPointType.ScriptName - this.script_name_ = script_id_or_name; - } - this.line_ = opt_line || 0; - this.column_ = opt_column; - this.groupId_ = opt_groupId; - this.hit_count_ = 0; - this.active_ = true; - this.condition_ = null; - this.ignoreCount_ = 0; -} - - -ScriptBreakPoint.prototype.number = function() { - return this.number_; -}; - - -ScriptBreakPoint.prototype.groupId = function() { - return this.groupId_; -}; - - -ScriptBreakPoint.prototype.type = function() { - return this.type_; -}; - - -ScriptBreakPoint.prototype.script_id = function() { - return this.script_id_; -}; - - -ScriptBreakPoint.prototype.script_name = function() { - return this.script_name_; -}; - - -ScriptBreakPoint.prototype.line = function() { - return this.line_; -}; - - -ScriptBreakPoint.prototype.column = function() { - return this.column_; -}; - - -ScriptBreakPoint.prototype.hit_count = function() { - return this.hit_count_; -}; - - -ScriptBreakPoint.prototype.active = function() { - return this.active_; -}; - - -ScriptBreakPoint.prototype.condition = function() { - return this.condition_; -}; - - -ScriptBreakPoint.prototype.ignoreCount = function() { - return this.ignoreCount_; -}; - - -ScriptBreakPoint.prototype.enable = function() { - this.active_ = true; -}; - - -ScriptBreakPoint.prototype.disable = function() { - this.active_ = false; -}; - - -ScriptBreakPoint.prototype.setCondition = function(condition) { - this.condition_ = condition; -}; - - -ScriptBreakPoint.prototype.setIgnoreCount = function(ignoreCount) { - this.ignoreCount_ = ignoreCount; - - // Set ignore count on all break points created from this script break point. - for (var i = 0; i < break_points.length; i++) { - if (break_points[i].script_break_point() === this) { - break_points[i].setIgnoreCount(ignoreCount); - } - } -}; - - -// Check whether a script matches this script break point. Currently this is -// only based on script name. -ScriptBreakPoint.prototype.matchesScript = function(script) { - if (this.type_ == Debug.ScriptBreakPointType.ScriptId) { - return this.script_id_ == script.id; - } else { // this.type_ == Debug.ScriptBreakPointType.ScriptName - return this.script_name_ == script.name && - script.line_offset <= this.line_ && - this.line_ < script.line_offset + script.lineCount(); - } -}; - - -// Set the script break point in a script. -ScriptBreakPoint.prototype.set = function (script) { - var column = this.column(); - var line = this.line(); - // If the column is undefined the break is on the line. To help locate the - // first piece of breakable code on the line try to find the column on the - // line which contains some source. - if (IS_UNDEFINED(column)) { - var source_line = script.sourceLine(this.line()); - - // Allocate array for caching the columns where the actual source starts. - if (!script.sourceColumnStart_) { - script.sourceColumnStart_ = new Array(script.lineCount()); - } - - // Fill cache if needed and get column where the actual source starts. - if (IS_UNDEFINED(script.sourceColumnStart_[line])) { - script.sourceColumnStart_[line] = - source_line.match(sourceLineBeginningSkip)[0].length; - } - column = script.sourceColumnStart_[line]; - } - - // Convert the line and column into an absolute position within the script. - var pos = Debug.findScriptSourcePosition(script, this.line(), column); - - // If the position is not found in the script (the script might be shorter - // than it used to be) just ignore it. - if (pos === null) return; - - // Create a break point object and set the break point. - break_point = MakeBreakPoint(pos, this.line(), this.column(), this); - break_point.setIgnoreCount(this.ignoreCount()); - %SetScriptBreakPoint(script, pos, break_point); - - return break_point; -}; - - -// Clear all the break points created from this script break point -ScriptBreakPoint.prototype.clear = function () { - var remaining_break_points = []; - for (var i = 0; i < break_points.length; i++) { - if (break_points[i].script_break_point() && - break_points[i].script_break_point() === this) { - %ClearBreakPoint(break_points[i]); - } else { - remaining_break_points.push(break_points[i]); - } - } - break_points = remaining_break_points; -}; - - -// Function called from runtime when a new script is compiled to set any script -// break points set in this script. -function UpdateScriptBreakPoints(script) { - for (var i = 0; i < script_break_points.length; i++) { - if (script_break_points[i].type() == Debug.ScriptBreakPointType.ScriptName && - script_break_points[i].matchesScript(script)) { - script_break_points[i].set(script); - } - } -} - - -Debug.setListener = function(listener, opt_data) { - if (!IS_FUNCTION(listener) && !IS_UNDEFINED(listener) && !IS_NULL(listener)) { - throw new Error('Parameters have wrong types.'); - } - %SetDebugEventListener(listener, opt_data); -}; - - -Debug.breakExecution = function(f) { - %Break(); -}; - -Debug.breakLocations = function(f) { - if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.'); - return %GetBreakLocations(f); -}; - -// Returns a Script object. If the parameter is a function the return value -// is the script in which the function is defined. If the parameter is a string -// the return value is the script for which the script name has that string -// value. If it is a regexp and there is a unique script whose name matches -// we return that, otherwise undefined. -Debug.findScript = function(func_or_script_name) { - if (IS_FUNCTION(func_or_script_name)) { - return %FunctionGetScript(func_or_script_name); - } else if (IS_REGEXP(func_or_script_name)) { - var scripts = Debug.scripts(); - var last_result = null; - var result_count = 0; - for (var i in scripts) { - var script = scripts[i]; - if (func_or_script_name.test(script.name)) { - last_result = script; - result_count++; - } - } - // Return the unique script matching the regexp. If there are more - // than one we don't return a value since there is no good way to - // decide which one to return. Returning a "random" one, say the - // first, would introduce nondeterminism (or something close to it) - // because the order is the heap iteration order. - if (result_count == 1) { - return last_result; - } else { - return undefined; - } - } else { - return %GetScript(func_or_script_name); - } -}; - -// Returns the script source. If the parameter is a function the return value -// is the script source for the script in which the function is defined. If the -// parameter is a string the return value is the script for which the script -// name has that string value. -Debug.scriptSource = function(func_or_script_name) { - return this.findScript(func_or_script_name).source; -}; - -Debug.source = function(f) { - if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.'); - return %FunctionGetSourceCode(f); -}; - -Debug.disassemble = function(f) { - if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.'); - return %DebugDisassembleFunction(f); -}; - -Debug.disassembleConstructor = function(f) { - if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.'); - return %DebugDisassembleConstructor(f); -}; - -Debug.sourcePosition = function(f) { - if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.'); - return %FunctionGetScriptSourcePosition(f); -}; - - -Debug.findFunctionSourceLocation = function(func, opt_line, opt_column) { - var script = %FunctionGetScript(func); - var script_offset = %FunctionGetScriptSourcePosition(func); - return script.locationFromLine(opt_line, opt_column, script_offset); -} - - -// Returns the character position in a script based on a line number and an -// optional position within that line. -Debug.findScriptSourcePosition = function(script, opt_line, opt_column) { - var location = script.locationFromLine(opt_line, opt_column); - return location ? location.position : null; -} - - -Debug.findBreakPoint = function(break_point_number, remove) { - var break_point; - for (var i = 0; i < break_points.length; i++) { - if (break_points[i].number() == break_point_number) { - break_point = break_points[i]; - // Remove the break point from the list if requested. - if (remove) { - break_points.splice(i, 1); - } - break; - } - } - if (break_point) { - return break_point; - } else { - return this.findScriptBreakPoint(break_point_number, remove); - } -}; - - -Debug.setBreakPoint = function(func, opt_line, opt_column, opt_condition) { - if (!IS_FUNCTION(func)) throw new Error('Parameters have wrong types.'); - // Break points in API functions are not supported. - if (%FunctionIsAPIFunction(func)) { - throw new Error('Cannot set break point in native code.'); - } - // Find source position relative to start of the function - var break_position = - this.findFunctionSourceLocation(func, opt_line, opt_column).position; - var source_position = break_position - this.sourcePosition(func); - // Find the script for the function. - var script = %FunctionGetScript(func); - // Break in builtin JavaScript code is not supported. - if (script.type == Debug.ScriptType.Native) { - throw new Error('Cannot set break point in native code.'); - } - // If the script for the function has a name convert this to a script break - // point. - if (script && script.id) { - // Adjust the source position to be script relative. - source_position += %FunctionGetScriptSourcePosition(func); - // Find line and column for the position in the script and set a script - // break point from that. - var location = script.locationFromPosition(source_position, false); - return this.setScriptBreakPointById(script.id, - location.line, location.column, - opt_condition); - } else { - // Set a break point directly on the function. - var break_point = MakeBreakPoint(source_position, opt_line, opt_column); - %SetFunctionBreakPoint(func, source_position, break_point); - break_point.setCondition(opt_condition); - return break_point.number(); - } -}; - - -Debug.enableBreakPoint = function(break_point_number) { - var break_point = this.findBreakPoint(break_point_number, false); - break_point.enable(); -}; - - -Debug.disableBreakPoint = function(break_point_number) { - var break_point = this.findBreakPoint(break_point_number, false); - break_point.disable(); -}; - - -Debug.changeBreakPointCondition = function(break_point_number, condition) { - var break_point = this.findBreakPoint(break_point_number, false); - break_point.setCondition(condition); -}; - - -Debug.changeBreakPointIgnoreCount = function(break_point_number, ignoreCount) { - if (ignoreCount < 0) { - throw new Error('Invalid argument'); - } - var break_point = this.findBreakPoint(break_point_number, false); - break_point.setIgnoreCount(ignoreCount); -}; - - -Debug.clearBreakPoint = function(break_point_number) { - var break_point = this.findBreakPoint(break_point_number, true); - if (break_point) { - return %ClearBreakPoint(break_point); - } else { - break_point = this.findScriptBreakPoint(break_point_number, true); - if (!break_point) { - throw new Error('Invalid breakpoint'); - } - } -}; - - -Debug.clearAllBreakPoints = function() { - for (var i = 0; i < break_points.length; i++) { - break_point = break_points[i]; - %ClearBreakPoint(break_point); - } - break_points = []; -}; - - -Debug.findScriptBreakPoint = function(break_point_number, remove) { - var script_break_point; - for (var i = 0; i < script_break_points.length; i++) { - if (script_break_points[i].number() == break_point_number) { - script_break_point = script_break_points[i]; - // Remove the break point from the list if requested. - if (remove) { - script_break_point.clear(); - script_break_points.splice(i,1); - } - break; - } - } - return script_break_point; -} - - -// Sets a breakpoint in a script identified through id or name at the -// specified source line and column within that line. -Debug.setScriptBreakPoint = function(type, script_id_or_name, - opt_line, opt_column, opt_condition, - opt_groupId) { - // Create script break point object. - var script_break_point = - new ScriptBreakPoint(type, script_id_or_name, opt_line, opt_column, - opt_groupId); - - // Assign number to the new script break point and add it. - script_break_point.number_ = next_break_point_number++; - script_break_point.setCondition(opt_condition); - script_break_points.push(script_break_point); - - // Run through all scripts to see if this script break point matches any - // loaded scripts. - var scripts = this.scripts(); - for (var i = 0; i < scripts.length; i++) { - if (script_break_point.matchesScript(scripts[i])) { - script_break_point.set(scripts[i]); - } - } - - return script_break_point.number(); -} - - -Debug.setScriptBreakPointById = function(script_id, - opt_line, opt_column, - opt_condition, opt_groupId) { - return this.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, - script_id, opt_line, opt_column, - opt_condition, opt_groupId); -} - - -Debug.setScriptBreakPointByName = function(script_name, - opt_line, opt_column, - opt_condition, opt_groupId) { - return this.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptName, - script_name, opt_line, opt_column, - opt_condition, opt_groupId); -} - - -Debug.enableScriptBreakPoint = function(break_point_number) { - var script_break_point = this.findScriptBreakPoint(break_point_number, false); - script_break_point.enable(); -}; - - -Debug.disableScriptBreakPoint = function(break_point_number) { - var script_break_point = this.findScriptBreakPoint(break_point_number, false); - script_break_point.disable(); -}; - - -Debug.changeScriptBreakPointCondition = function(break_point_number, condition) { - var script_break_point = this.findScriptBreakPoint(break_point_number, false); - script_break_point.setCondition(condition); -}; - - -Debug.changeScriptBreakPointIgnoreCount = function(break_point_number, ignoreCount) { - if (ignoreCount < 0) { - throw new Error('Invalid argument'); - } - var script_break_point = this.findScriptBreakPoint(break_point_number, false); - script_break_point.setIgnoreCount(ignoreCount); -}; - - -Debug.scriptBreakPoints = function() { - return script_break_points; -} - - -Debug.clearStepping = function() { - %ClearStepping(); -} - -Debug.setBreakOnException = function() { - return %ChangeBreakOnException(Debug.ExceptionBreak.All, true); -}; - -Debug.clearBreakOnException = function() { - return %ChangeBreakOnException(Debug.ExceptionBreak.All, false); -}; - -Debug.setBreakOnUncaughtException = function() { - return %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, true); -}; - -Debug.clearBreakOnUncaughtException = function() { - return %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, false); -}; - -Debug.showBreakPoints = function(f, full) { - if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.'); - var source = full ? this.scriptSource(f) : this.source(f); - var offset = full ? this.sourcePosition(f) : 0; - var locations = this.breakLocations(f); - if (!locations) return source; - locations.sort(function(x, y) { return x - y; }); - var result = ""; - var prev_pos = 0; - var pos; - for (var i = 0; i < locations.length; i++) { - pos = locations[i] - offset; - result += source.slice(prev_pos, pos); - result += "[B" + i + "]"; - prev_pos = pos; - } - pos = source.length; - result += source.substring(prev_pos, pos); - return result; -}; - - -// Get all the scripts currently loaded. Locating all the scripts is based on -// scanning the heap. -Debug.scripts = function() { - // Collect all scripts in the heap. - return %DebugGetLoadedScripts(); -} - -function MakeExecutionState(break_id) { - return new ExecutionState(break_id); -} - -function ExecutionState(break_id) { - this.break_id = break_id; - this.selected_frame = 0; -} - -ExecutionState.prototype.prepareStep = function(opt_action, opt_count) { - var action = Debug.StepAction.StepIn; - if (!IS_UNDEFINED(opt_action)) action = %ToNumber(opt_action); - var count = opt_count ? %ToNumber(opt_count) : 1; - - return %PrepareStep(this.break_id, action, count); -} - -ExecutionState.prototype.evaluateGlobal = function(source, disable_break) { - return MakeMirror( - %DebugEvaluateGlobal(this.break_id, source, Boolean(disable_break))); -}; - -ExecutionState.prototype.frameCount = function() { - return %GetFrameCount(this.break_id); -}; - -ExecutionState.prototype.threadCount = function() { - return %GetThreadCount(this.break_id); -}; - -ExecutionState.prototype.frame = function(opt_index) { - // If no index supplied return the selected frame. - if (opt_index == null) opt_index = this.selected_frame; - return new FrameMirror(this.break_id, opt_index); -}; - -ExecutionState.prototype.cframesValue = function(opt_from_index, opt_to_index) { - return %GetCFrames(this.break_id); -}; - -ExecutionState.prototype.setSelectedFrame = function(index) { - var i = %ToNumber(index); - if (i < 0 || i >= this.frameCount()) throw new Error('Illegal frame index.'); - this.selected_frame = i; -}; - -ExecutionState.prototype.selectedFrame = function() { - return this.selected_frame; -}; - -ExecutionState.prototype.debugCommandProcessor = function(protocol) { - return new DebugCommandProcessor(this, protocol); -}; - - -function MakeBreakEvent(exec_state, break_points_hit) { - return new BreakEvent(exec_state, break_points_hit); -} - - -function BreakEvent(exec_state, break_points_hit) { - this.exec_state_ = exec_state; - this.break_points_hit_ = break_points_hit; -} - - -BreakEvent.prototype.executionState = function() { - return this.exec_state_; -}; - - -BreakEvent.prototype.eventType = function() { - return Debug.DebugEvent.Break; -}; - - -BreakEvent.prototype.func = function() { - return this.exec_state_.frame(0).func(); -}; - - -BreakEvent.prototype.sourceLine = function() { - return this.exec_state_.frame(0).sourceLine(); -}; - - -BreakEvent.prototype.sourceColumn = function() { - return this.exec_state_.frame(0).sourceColumn(); -}; - - -BreakEvent.prototype.sourceLineText = function() { - return this.exec_state_.frame(0).sourceLineText(); -}; - - -BreakEvent.prototype.breakPointsHit = function() { - return this.break_points_hit_; -}; - - -BreakEvent.prototype.toJSONProtocol = function() { - var o = { seq: next_response_seq++, - type: "event", - event: "break", - body: { invocationText: this.exec_state_.frame(0).invocationText(), - } - }; - - // Add script related information to the event if available. - var script = this.func().script(); - if (script) { - o.body.sourceLine = this.sourceLine(), - o.body.sourceColumn = this.sourceColumn(), - o.body.sourceLineText = this.sourceLineText(), - o.body.script = MakeScriptObject_(script, false); - } - - // Add an Array of break points hit if any. - if (this.breakPointsHit()) { - o.body.breakpoints = []; - for (var i = 0; i < this.breakPointsHit().length; i++) { - // Find the break point number. For break points originating from a - // script break point supply the script break point number. - var breakpoint = this.breakPointsHit()[i]; - var script_break_point = breakpoint.script_break_point(); - var number; - if (script_break_point) { - number = script_break_point.number(); - } else { - number = breakpoint.number(); - } - o.body.breakpoints.push(number); - } - } - return JSON.stringify(ObjectToProtocolObject_(o)); -}; - - -function MakeExceptionEvent(exec_state, exception, uncaught) { - return new ExceptionEvent(exec_state, exception, uncaught); -} - - -function ExceptionEvent(exec_state, exception, uncaught) { - this.exec_state_ = exec_state; - this.exception_ = exception; - this.uncaught_ = uncaught; -} - - -ExceptionEvent.prototype.executionState = function() { - return this.exec_state_; -}; - - -ExceptionEvent.prototype.eventType = function() { - return Debug.DebugEvent.Exception; -}; - - -ExceptionEvent.prototype.exception = function() { - return this.exception_; -} - - -ExceptionEvent.prototype.uncaught = function() { - return this.uncaught_; -} - - -ExceptionEvent.prototype.func = function() { - return this.exec_state_.frame(0).func(); -}; - - -ExceptionEvent.prototype.sourceLine = function() { - return this.exec_state_.frame(0).sourceLine(); -}; - - -ExceptionEvent.prototype.sourceColumn = function() { - return this.exec_state_.frame(0).sourceColumn(); -}; - - -ExceptionEvent.prototype.sourceLineText = function() { - return this.exec_state_.frame(0).sourceLineText(); -}; - - -ExceptionEvent.prototype.toJSONProtocol = function() { - var o = new ProtocolMessage(); - o.event = "exception"; - o.body = { uncaught: this.uncaught_, - exception: MakeMirror(this.exception_) - }; - - // Exceptions might happen whithout any JavaScript frames. - if (this.exec_state_.frameCount() > 0) { - o.body.sourceLine = this.sourceLine(); - o.body.sourceColumn = this.sourceColumn(); - o.body.sourceLineText = this.sourceLineText(); - - // Add script information to the event if available. - var script = this.func().script(); - if (script) { - o.body.script = MakeScriptObject_(script, false); - } - } else { - o.body.sourceLine = -1; - } - - return o.toJSONProtocol(); -}; - - -function MakeCompileEvent(exec_state, script, before) { - return new CompileEvent(exec_state, script, before); -} - - -function CompileEvent(exec_state, script, before) { - this.exec_state_ = exec_state; - this.script_ = MakeMirror(script); - this.before_ = before; -} - - -CompileEvent.prototype.executionState = function() { - return this.exec_state_; -}; - - -CompileEvent.prototype.eventType = function() { - if (this.before_) { - return Debug.DebugEvent.BeforeCompile; - } else { - return Debug.DebugEvent.AfterCompile; - } -}; - - -CompileEvent.prototype.script = function() { - return this.script_; -}; - - -CompileEvent.prototype.toJSONProtocol = function() { - var o = new ProtocolMessage(); - o.running = true; - if (this.before_) { - o.event = "beforeCompile"; - } else { - o.event = "afterCompile"; - } - o.body = {}; - o.body.script = this.script_; - - return o.toJSONProtocol(); -} - - -function MakeNewFunctionEvent(func) { - return new NewFunctionEvent(func); -} - - -function NewFunctionEvent(func) { - this.func = func; -} - - -NewFunctionEvent.prototype.eventType = function() { - return Debug.DebugEvent.NewFunction; -}; - - -NewFunctionEvent.prototype.name = function() { - return this.func.name; -}; - - -NewFunctionEvent.prototype.setBreakPoint = function(p) { - Debug.setBreakPoint(this.func, p || 0); -}; - - -function MakeScriptCollectedEvent(exec_state, id) { - return new ScriptCollectedEvent(exec_state, id); -} - - -function ScriptCollectedEvent(exec_state, id) { - this.exec_state_ = exec_state; - this.id_ = id; -} - - -ScriptCollectedEvent.prototype.id = function() { - return this.id_; -}; - - -ScriptCollectedEvent.prototype.executionState = function() { - return this.exec_state_; -}; - - -ScriptCollectedEvent.prototype.toJSONProtocol = function() { - var o = new ProtocolMessage(); - o.running = true; - o.event = "scriptCollected"; - o.body = {}; - o.body.script = { id: this.id() }; - return o.toJSONProtocol(); -} - - -function MakeScriptObject_(script, include_source) { - var o = { id: script.id(), - name: script.name(), - lineOffset: script.lineOffset(), - columnOffset: script.columnOffset(), - lineCount: script.lineCount(), - }; - if (!IS_UNDEFINED(script.data())) { - o.data = script.data(); - } - if (include_source) { - o.source = script.source(); - } - return o; -}; - - -function DebugCommandProcessor(exec_state) { - this.exec_state_ = exec_state; - this.running_ = false; -}; - - -DebugCommandProcessor.prototype.processDebugRequest = function (request) { - return this.processDebugJSONRequest(request); -} - - -function ProtocolMessage(request) { - // Update sequence number. - this.seq = next_response_seq++; - - if (request) { - // If message is based on a request this is a response. Fill the initial - // response from the request. - this.type = 'response'; - this.request_seq = request.seq; - this.command = request.command; - } else { - // If message is not based on a request it is a dabugger generated event. - this.type = 'event'; - } - this.success = true; - this.running = false; -} - - -ProtocolMessage.prototype.setOption = function(name, value) { - if (!this.options_) { - this.options_ = {}; - } - this.options_[name] = value; -} - - -ProtocolMessage.prototype.failed = function(message) { - this.success = false; - this.message = message; -} - - -ProtocolMessage.prototype.toJSONProtocol = function() { - // Encode the protocol header. - var json = {}; - json.seq= this.seq; - if (this.request_seq) { - json.request_seq = this.request_seq; - } - json.type = this.type; - if (this.event) { - json.event = this.event; - } - if (this.command) { - json.command = this.command; - } - if (this.success) { - json.success = this.success; - } else { - json.success = false; - } - if (this.body) { - // Encode the body part. - var bodyJson; - var serializer = MakeMirrorSerializer(true, this.options_); - if (this.body instanceof Mirror) { - bodyJson = serializer.serializeValue(this.body); - } else if (this.body instanceof Array) { - bodyJson = []; - for (var i = 0; i < this.body.length; i++) { - if (this.body[i] instanceof Mirror) { - bodyJson.push(serializer.serializeValue(this.body[i])); - } else { - bodyJson.push(ObjectToProtocolObject_(this.body[i], serializer)); - } - } - } else { - bodyJson = ObjectToProtocolObject_(this.body, serializer); - } - json.body = bodyJson; - json.refs = serializer.serializeReferencedObjects(); - } - if (this.message) { - json.message = this.message; - } - if (this.running) { - json.running = true; - } else { - json.running = false; - } - return JSON.stringify(json); -} - - -DebugCommandProcessor.prototype.createResponse = function(request) { - return new ProtocolMessage(request); -}; - - -DebugCommandProcessor.prototype.processDebugJSONRequest = function(json_request) { - var request; // Current request. - var response; // Generated response. - try { - try { - // Convert the JSON string to an object. - request = %CompileString('(' + json_request + ')', false)(); - - // Create an initial response. - response = this.createResponse(request); - - if (!request.type) { - throw new Error('Type not specified'); - } - - if (request.type != 'request') { - throw new Error("Illegal type '" + request.type + "' in request"); - } - - if (!request.command) { - throw new Error('Command not specified'); - } - - // TODO(yurys): remove request.arguments.compactFormat check once - // ChromeDevTools are switched to 'inlineRefs' - if (request.arguments && (request.arguments.inlineRefs || - request.arguments.compactFormat)) { - response.setOption('inlineRefs', true); - } - - if (request.command == 'continue') { - this.continueRequest_(request, response); - } else if (request.command == 'break') { - this.breakRequest_(request, response); - } else if (request.command == 'setbreakpoint') { - this.setBreakPointRequest_(request, response); - } else if (request.command == 'changebreakpoint') { - this.changeBreakPointRequest_(request, response); - } else if (request.command == 'clearbreakpoint') { - this.clearBreakPointRequest_(request, response); - } else if (request.command == 'clearbreakpointgroup') { - this.clearBreakPointGroupRequest_(request, response); - } else if (request.command == 'backtrace') { - this.backtraceRequest_(request, response); - } else if (request.command == 'frame') { - this.frameRequest_(request, response); - } else if (request.command == 'scopes') { - this.scopesRequest_(request, response); - } else if (request.command == 'scope') { - this.scopeRequest_(request, response); - } else if (request.command == 'evaluate') { - this.evaluateRequest_(request, response); - } else if (request.command == 'lookup') { - this.lookupRequest_(request, response); - } else if (request.command == 'references') { - this.referencesRequest_(request, response); - } else if (request.command == 'source') { - this.sourceRequest_(request, response); - } else if (request.command == 'scripts') { - this.scriptsRequest_(request, response); - } else if (request.command == 'threads') { - this.threadsRequest_(request, response); - } else { - throw new Error('Unknown command "' + request.command + '" in request'); - } - } catch (e) { - // If there is no response object created one (without command). - if (!response) { - response = this.createResponse(); - } - response.success = false; - response.message = %ToString(e); - } - - // Return the response as a JSON encoded string. - try { - this.running_ = response.running; // Store the running state. - return response.toJSONProtocol(); - } catch (e) { - // Failed to generate response - return generic error. - return '{"seq":' + response.seq + ',' + - '"request_seq":' + request.seq + ',' + - '"type":"response",' + - '"success":false,' + - '"message":"Internal error: ' + %ToString(e) + '"}'; - } - } catch (e) { - // Failed in one of the catch blocks above - most generic error. - return '{"seq":0,"type":"response","success":false,"message":"Internal error"}'; - } -}; - - -DebugCommandProcessor.prototype.continueRequest_ = function(request, response) { - // Check for arguments for continue. - if (request.arguments) { - var count = 1; - var action = Debug.StepAction.StepIn; - - // Pull out arguments. - var stepaction = request.arguments.stepaction; - var stepcount = request.arguments.stepcount; - - // Get the stepcount argument if any. - if (stepcount) { - count = %ToNumber(stepcount); - if (count < 0) { - throw new Error('Invalid stepcount argument "' + stepcount + '".'); - } - } - - // Get the stepaction argument. - if (stepaction) { - if (stepaction == 'in') { - action = Debug.StepAction.StepIn; - } else if (stepaction == 'min') { - action = Debug.StepAction.StepMin; - } else if (stepaction == 'next') { - action = Debug.StepAction.StepNext; - } else if (stepaction == 'out') { - action = Debug.StepAction.StepOut; - } else { - throw new Error('Invalid stepaction argument "' + stepaction + '".'); - } - } - - // Setup the VM for stepping. - this.exec_state_.prepareStep(action, count); - } - - // VM should be running after executing this request. - response.running = true; -}; - - -DebugCommandProcessor.prototype.breakRequest_ = function(request, response) { - // Ignore as break command does not do anything when broken. -}; - - -DebugCommandProcessor.prototype.setBreakPointRequest_ = - function(request, response) { - // Check for legal request. - if (!request.arguments) { - response.failed('Missing arguments'); - return; - } - - // Pull out arguments. - var type = request.arguments.type; - var target = request.arguments.target; - var line = request.arguments.line; - var column = request.arguments.column; - var enabled = IS_UNDEFINED(request.arguments.enabled) ? - true : request.arguments.enabled; - var condition = request.arguments.condition; - var ignoreCount = request.arguments.ignoreCount; - var groupId = request.arguments.groupId; - - // Check for legal arguments. - if (!type || IS_UNDEFINED(target)) { - response.failed('Missing argument "type" or "target"'); - return; - } - if (type != 'function' && type != 'handle' && - type != 'script' && type != 'scriptId') { - response.failed('Illegal type "' + type + '"'); - return; - } - - // Either function or script break point. - var break_point_number; - if (type == 'function') { - // Handle function break point. - if (!IS_STRING(target)) { - response.failed('Argument "target" is not a string value'); - return; - } - var f; - try { - // Find the function through a global evaluate. - f = this.exec_state_.evaluateGlobal(target).value(); - } catch (e) { - response.failed('Error: "' + %ToString(e) + - '" evaluating "' + target + '"'); - return; - } - if (!IS_FUNCTION(f)) { - response.failed('"' + target + '" does not evaluate to a function'); - return; - } - - // Set function break point. - break_point_number = Debug.setBreakPoint(f, line, column, condition); - } else if (type == 'handle') { - // Find the object pointed by the specified handle. - var handle = parseInt(target, 10); - var mirror = LookupMirror(handle); - if (!mirror) { - return response.failed('Object #' + handle + '# not found'); - } - if (!mirror.isFunction()) { - return response.failed('Object #' + handle + '# is not a function'); - } - - // Set function break point. - break_point_number = Debug.setBreakPoint(mirror.value(), - line, column, condition); - } else if (type == 'script') { - // set script break point. - break_point_number = - Debug.setScriptBreakPointByName(target, line, column, condition, - groupId); - } else { // type == 'scriptId. - break_point_number = - Debug.setScriptBreakPointById(target, line, column, condition, groupId); - } - - // Set additional break point properties. - var break_point = Debug.findBreakPoint(break_point_number); - if (ignoreCount) { - Debug.changeBreakPointIgnoreCount(break_point_number, ignoreCount); - } - if (!enabled) { - Debug.disableBreakPoint(break_point_number); - } - - // Add the break point number to the response. - response.body = { type: type, - breakpoint: break_point_number } - - // Add break point information to the response. - if (break_point instanceof ScriptBreakPoint) { - if (break_point.type() == Debug.ScriptBreakPointType.ScriptId) { - response.body.type = 'scriptId'; - response.body.script_id = break_point.script_id(); - } else { - response.body.type = 'scriptName'; - response.body.script_name = break_point.script_name(); - } - response.body.line = break_point.line(); - response.body.column = break_point.column(); - } else { - response.body.type = 'function'; - } -}; - - -DebugCommandProcessor.prototype.changeBreakPointRequest_ = function(request, response) { - // Check for legal request. - if (!request.arguments) { - response.failed('Missing arguments'); - return; - } - - // Pull out arguments. - var break_point = %ToNumber(request.arguments.breakpoint); - var enabled = request.arguments.enabled; - var condition = request.arguments.condition; - var ignoreCount = request.arguments.ignoreCount; - - // Check for legal arguments. - if (!break_point) { - response.failed('Missing argument "breakpoint"'); - return; - } - - // Change enabled state if supplied. - if (!IS_UNDEFINED(enabled)) { - if (enabled) { - Debug.enableBreakPoint(break_point); - } else { - Debug.disableBreakPoint(break_point); - } - } - - // Change condition if supplied - if (!IS_UNDEFINED(condition)) { - Debug.changeBreakPointCondition(break_point, condition); - } - - // Change ignore count if supplied - if (!IS_UNDEFINED(ignoreCount)) { - Debug.changeBreakPointIgnoreCount(break_point, ignoreCount); - } -} - - -DebugCommandProcessor.prototype.clearBreakPointGroupRequest_ = function(request, response) { - // Check for legal request. - if (!request.arguments) { - response.failed('Missing arguments'); - return; - } - - // Pull out arguments. - var group_id = request.arguments.groupId; - - // Check for legal arguments. - if (!group_id) { - response.failed('Missing argument "groupId"'); - return; - } - - var cleared_break_points = []; - var new_script_break_points = []; - for (var i = 0; i < script_break_points.length; i++) { - var next_break_point = script_break_points[i]; - if (next_break_point.groupId() == group_id) { - cleared_break_points.push(next_break_point.number()); - next_break_point.clear(); - } else { - new_script_break_points.push(next_break_point); - } - } - script_break_points = new_script_break_points; - - // Add the cleared break point numbers to the response. - response.body = { breakpoints: cleared_break_points }; -} - - -DebugCommandProcessor.prototype.clearBreakPointRequest_ = function(request, response) { - // Check for legal request. - if (!request.arguments) { - response.failed('Missing arguments'); - return; - } - - // Pull out arguments. - var break_point = %ToNumber(request.arguments.breakpoint); - - // Check for legal arguments. - if (!break_point) { - response.failed('Missing argument "breakpoint"'); - return; - } - - // Clear break point. - Debug.clearBreakPoint(break_point); - - // Add the cleared break point number to the response. - response.body = { breakpoint: break_point } -} - - -DebugCommandProcessor.prototype.backtraceRequest_ = function(request, response) { - // Get the number of frames. - var total_frames = this.exec_state_.frameCount(); - - // Create simple response if there are no frames. - if (total_frames == 0) { - response.body = { - totalFrames: total_frames - } - return; - } - - // Default frame range to include in backtrace. - var from_index = 0 - var to_index = kDefaultBacktraceLength; - - // Get the range from the arguments. - if (request.arguments) { - if (request.arguments.fromFrame) { - from_index = request.arguments.fromFrame; - } - if (request.arguments.toFrame) { - to_index = request.arguments.toFrame; - } - if (request.arguments.bottom) { - var tmp_index = total_frames - from_index; - from_index = total_frames - to_index - to_index = tmp_index; - } - if (from_index < 0 || to_index < 0) { - return response.failed('Invalid frame number'); - } - } - - // Adjust the index. - to_index = Math.min(total_frames, to_index); - - if (to_index <= from_index) { - var error = 'Invalid frame range'; - return response.failed(error); - } - - // Create the response body. - var frames = []; - for (var i = from_index; i < to_index; i++) { - frames.push(this.exec_state_.frame(i)); - } - response.body = { - fromFrame: from_index, - toFrame: to_index, - totalFrames: total_frames, - frames: frames - } -}; - - -DebugCommandProcessor.prototype.backtracec = function(cmd, args) { - return this.exec_state_.cframesValue(); -}; - - -DebugCommandProcessor.prototype.frameRequest_ = function(request, response) { - // No frames no source. - if (this.exec_state_.frameCount() == 0) { - return response.failed('No frames'); - } - - // With no arguments just keep the selected frame. - if (request.arguments) { - var index = request.arguments.number; - if (index < 0 || this.exec_state_.frameCount() <= index) { - return response.failed('Invalid frame number'); - } - - this.exec_state_.setSelectedFrame(request.arguments.number); - } - response.body = this.exec_state_.frame(); -}; - - -DebugCommandProcessor.prototype.frameForScopeRequest_ = function(request) { - // Get the frame for which the scope or scopes are requested. With no frameNumber - // argument use the currently selected frame. - if (request.arguments && !IS_UNDEFINED(request.arguments.frameNumber)) { - frame_index = request.arguments.frameNumber; - if (frame_index < 0 || this.exec_state_.frameCount() <= frame_index) { - return response.failed('Invalid frame number'); - } - return this.exec_state_.frame(frame_index); - } else { - return this.exec_state_.frame(); - } -} - - -DebugCommandProcessor.prototype.scopesRequest_ = function(request, response) { - // No frames no scopes. - if (this.exec_state_.frameCount() == 0) { - return response.failed('No scopes'); - } - - // Get the frame for which the scopes are requested. - var frame = this.frameForScopeRequest_(request); - - // Fill all scopes for this frame. - var total_scopes = frame.scopeCount(); - var scopes = []; - for (var i = 0; i < total_scopes; i++) { - scopes.push(frame.scope(i)); - } - response.body = { - fromScope: 0, - toScope: total_scopes, - totalScopes: total_scopes, - scopes: scopes - } -}; - - -DebugCommandProcessor.prototype.scopeRequest_ = function(request, response) { - // No frames no scopes. - if (this.exec_state_.frameCount() == 0) { - return response.failed('No scopes'); - } - - // Get the frame for which the scope is requested. - var frame = this.frameForScopeRequest_(request); - - // With no scope argument just return top scope. - var scope_index = 0; - if (request.arguments && !IS_UNDEFINED(request.arguments.number)) { - scope_index = %ToNumber(request.arguments.number); - if (scope_index < 0 || frame.scopeCount() <= scope_index) { - return response.failed('Invalid scope number'); - } - } - - response.body = frame.scope(scope_index); -}; - - -DebugCommandProcessor.prototype.evaluateRequest_ = function(request, response) { - if (!request.arguments) { - return response.failed('Missing arguments'); - } - - // Pull out arguments. - var expression = request.arguments.expression; - var frame = request.arguments.frame; - var global = request.arguments.global; - var disable_break = request.arguments.disable_break; - - // The expression argument could be an integer so we convert it to a - // string. - try { - expression = String(expression); - } catch(e) { - return response.failed('Failed to convert expression argument to string'); - } - - // Check for legal arguments. - if (!IS_UNDEFINED(frame) && global) { - return response.failed('Arguments "frame" and "global" are exclusive'); - } - - // Global evaluate. - if (global) { - // Evaluate in the global context. - response.body = - this.exec_state_.evaluateGlobal(expression), Boolean(disable_break); - return; - } - - // Default value for disable_break is true. - if (IS_UNDEFINED(disable_break)) { - disable_break = true; - } - - // No frames no evaluate in frame. - if (this.exec_state_.frameCount() == 0) { - return response.failed('No frames'); - } - - // Check whether a frame was specified. - if (!IS_UNDEFINED(frame)) { - var frame_number = %ToNumber(frame); - if (frame_number < 0 || frame_number >= this.exec_state_.frameCount()) { - return response.failed('Invalid frame "' + frame + '"'); - } - // Evaluate in the specified frame. - response.body = this.exec_state_.frame(frame_number).evaluate( - expression, Boolean(disable_break)); - return; - } else { - // Evaluate in the selected frame. - response.body = this.exec_state_.frame().evaluate( - expression, Boolean(disable_break)); - return; - } -}; - - -DebugCommandProcessor.prototype.lookupRequest_ = function(request, response) { - if (!request.arguments) { - return response.failed('Missing arguments'); - } - - // Pull out arguments. - var handles = request.arguments.handles; - - // Check for legal arguments. - if (IS_UNDEFINED(handles)) { - return response.failed('Argument "handles" missing'); - } - - // Set 'includeSource' option for script lookup. - if (!IS_UNDEFINED(request.arguments.includeSource)) { - includeSource = %ToBoolean(request.arguments.includeSource); - response.setOption('includeSource', includeSource); - } - - // Lookup handles. - var mirrors = {}; - for (var i = 0; i < handles.length; i++) { - var handle = handles[i]; - var mirror = LookupMirror(handle); - if (!mirror) { - return response.failed('Object #' + handle + '# not found'); - } - mirrors[handle] = mirror; - } - response.body = mirrors; -}; - - -DebugCommandProcessor.prototype.referencesRequest_ = - function(request, response) { - if (!request.arguments) { - return response.failed('Missing arguments'); - } - - // Pull out arguments. - var type = request.arguments.type; - var handle = request.arguments.handle; - - // Check for legal arguments. - if (IS_UNDEFINED(type)) { - return response.failed('Argument "type" missing'); - } - if (IS_UNDEFINED(handle)) { - return response.failed('Argument "handle" missing'); - } - if (type != 'referencedBy' && type != 'constructedBy') { - return response.failed('Invalid type "' + type + '"'); - } - - // Lookup handle and return objects with references the object. - var mirror = LookupMirror(handle); - if (mirror) { - if (type == 'referencedBy') { - response.body = mirror.referencedBy(); - } else { - response.body = mirror.constructedBy(); - } - } else { - return response.failed('Object #' + handle + '# not found'); - } -}; - - -DebugCommandProcessor.prototype.sourceRequest_ = function(request, response) { - // No frames no source. - if (this.exec_state_.frameCount() == 0) { - return response.failed('No source'); - } - - var from_line; - var to_line; - var frame = this.exec_state_.frame(); - if (request.arguments) { - // Pull out arguments. - from_line = request.arguments.fromLine; - to_line = request.arguments.toLine; - - if (!IS_UNDEFINED(request.arguments.frame)) { - var frame_number = %ToNumber(request.arguments.frame); - if (frame_number < 0 || frame_number >= this.exec_state_.frameCount()) { - return response.failed('Invalid frame "' + frame + '"'); - } - frame = this.exec_state_.frame(frame_number); - } - } - - // Get the script selected. - var script = frame.func().script(); - if (!script) { - return response.failed('No source'); - } - - // Get the source slice and fill it into the response. - var slice = script.sourceSlice(from_line, to_line); - if (!slice) { - return response.failed('Invalid line interval'); - } - response.body = {}; - response.body.source = slice.sourceText(); - response.body.fromLine = slice.from_line; - response.body.toLine = slice.to_line; - response.body.fromPosition = slice.from_position; - response.body.toPosition = slice.to_position; - response.body.totalLines = script.lineCount(); -}; - - -DebugCommandProcessor.prototype.scriptsRequest_ = function(request, response) { - var types = ScriptTypeFlag(Debug.ScriptType.Normal); - var includeSource = false; - var idsToInclude = null; - if (request.arguments) { - // Pull out arguments. - if (!IS_UNDEFINED(request.arguments.types)) { - types = %ToNumber(request.arguments.types); - if (isNaN(types) || types < 0) { - return response.failed('Invalid types "' + request.arguments.types + '"'); - } - } - - if (!IS_UNDEFINED(request.arguments.includeSource)) { - includeSource = %ToBoolean(request.arguments.includeSource); - response.setOption('includeSource', includeSource); - } - - if (IS_ARRAY(request.arguments.ids)) { - idsToInclude = {}; - var ids = request.arguments.ids; - for (var i = 0; i < ids.length; i++) { - idsToInclude[ids[i]] = true; - } - } - } - - // Collect all scripts in the heap. - var scripts = %DebugGetLoadedScripts(); - - response.body = []; - - for (var i = 0; i < scripts.length; i++) { - if (idsToInclude && !idsToInclude[scripts[i].id]) { - continue; - } - if (types & ScriptTypeFlag(scripts[i].type)) { - response.body.push(MakeMirror(scripts[i])); - } - } -}; - - -DebugCommandProcessor.prototype.threadsRequest_ = function(request, response) { - // Get the number of threads. - var total_threads = this.exec_state_.threadCount(); - - // Get information for all threads. - var threads = []; - for (var i = 0; i < total_threads; i++) { - var details = %GetThreadDetails(this.exec_state_.break_id, i); - var thread_info = { current: details[0], - id: details[1] - } - threads.push(thread_info); - } - - // Create the response body. - response.body = { - totalThreads: total_threads, - threads: threads - } -}; - - -// Check whether the previously processed command caused the VM to become -// running. -DebugCommandProcessor.prototype.isRunning = function() { - return this.running_; -} - - -DebugCommandProcessor.prototype.systemBreak = function(cmd, args) { - return %SystemBreak(); -}; - - -function NumberToHex8Str(n) { - var r = ""; - for (var i = 0; i < 8; ++i) { - var c = hexCharArray[n & 0x0F]; // hexCharArray is defined in uri.js - r = c + r; - n = n >>> 4; - } - return r; -}; - -DebugCommandProcessor.prototype.formatCFrames = function(cframes_value) { - var result = ""; - if (cframes_value == null || cframes_value.length == 0) { - result += "(stack empty)"; - } else { - for (var i = 0; i < cframes_value.length; ++i) { - if (i != 0) result += "\n"; - result += this.formatCFrame(cframes_value[i]); - } - } - return result; -}; - - -DebugCommandProcessor.prototype.formatCFrame = function(cframe_value) { - var result = ""; - result += "0x" + NumberToHex8Str(cframe_value.address); - if (!IS_UNDEFINED(cframe_value.text)) { - result += " " + cframe_value.text; - } - return result; -} - - -/** - * Convert an Object to its debugger protocol representation. The representation - * may be serilized to a JSON object using JSON.stringify(). - * This implementation simply runs through all string property names, converts - * each property value to a protocol value and adds the property to the result - * object. For type "object" the function will be called recursively. Note that - * circular structures will cause infinite recursion. - * @param {Object} object The object to format as protocol object. - * @param {MirrorSerializer} mirror_serializer The serializer to use if any - * mirror objects are encountered. - * @return {Object} Protocol object value. - */ -function ObjectToProtocolObject_(object, mirror_serializer) { - var content = {}; - for (var key in object) { - // Only consider string keys. - if (typeof key == 'string') { - // Format the value based on its type. - var property_value_json = ValueToProtocolValue_(object[key], - mirror_serializer); - // Add the property if relevant. - if (!IS_UNDEFINED(property_value_json)) { - content[key] = property_value_json; - } - } - } - - return content; -} - - -/** - * Convert an array to its debugger protocol representation. It will convert - * each array element to a protocol value. - * @param {Array} array The array to format as protocol array. - * @param {MirrorSerializer} mirror_serializer The serializer to use if any - * mirror objects are encountered. - * @return {Array} Protocol array value. - */ -function ArrayToProtocolArray_(array, mirror_serializer) { - var json = []; - for (var i = 0; i < array.length; i++) { - json.push(ValueToProtocolValue_(array[i], mirror_serializer)); - } - return json; -} - - -/** - * Convert a value to its debugger protocol representation. - * @param {*} value The value to format as protocol value. - * @param {MirrorSerializer} mirror_serializer The serializer to use if any - * mirror objects are encountered. - * @return {*} Protocol value. - */ -function ValueToProtocolValue_(value, mirror_serializer) { - // Format the value based on its type. - var json; - switch (typeof value) { - case 'object': - if (value instanceof Mirror) { - json = mirror_serializer.serializeValue(value); - } else if (IS_ARRAY(value)){ - json = ArrayToProtocolArray_(value, mirror_serializer); - } else { - json = ObjectToProtocolObject_(value, mirror_serializer); - } - break; - - case 'boolean': - case 'string': - case 'number': - json = value; - break - - default: - json = null; - } - return json; -} |