10a58904ac
R=rossberg@chromium.org BUG=v8:3790 LOG=N Review URL: https://codereview.chromium.org/813873007 Cr-Commit-Position: refs/heads/master@{#25971}
2591 lines
75 KiB
JavaScript
2591 lines
75 KiB
JavaScript
// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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"use strict";
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// Default number of frames to include in the response to backtrace request.
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var kDefaultBacktraceLength = 10;
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var Debug = {};
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// Regular expression to skip "crud" at the beginning of a source line which is
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// not really code. Currently the regular expression matches whitespace and
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// comments.
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var sourceLineBeginningSkip = /^(?:\s*(?:\/\*.*?\*\/)*)*/;
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// Debug events which can occour in the V8 JavaScript engine. These originate
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// from the API include file debug.h.
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Debug.DebugEvent = { Break: 1,
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Exception: 2,
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NewFunction: 3,
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BeforeCompile: 4,
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AfterCompile: 5,
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CompileError: 6,
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PromiseEvent: 7,
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AsyncTaskEvent: 8,
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BreakForCommand: 9 };
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// Types of exceptions that can be broken upon.
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Debug.ExceptionBreak = { Caught : 0,
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Uncaught: 1 };
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// The different types of steps.
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Debug.StepAction = { StepOut: 0,
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StepNext: 1,
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StepIn: 2,
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StepMin: 3,
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StepInMin: 4,
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StepFrame: 5 };
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// The different types of scripts matching enum ScriptType in objects.h.
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Debug.ScriptType = { Native: 0,
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Extension: 1,
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Normal: 2 };
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// The different types of script compilations matching enum
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// Script::CompilationType in objects.h.
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Debug.ScriptCompilationType = { Host: 0,
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Eval: 1,
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JSON: 2 };
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// The different script break point types.
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Debug.ScriptBreakPointType = { ScriptId: 0,
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ScriptName: 1,
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ScriptRegExp: 2 };
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// The different types of breakpoint position alignments.
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// Must match BreakPositionAlignment in debug.h.
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Debug.BreakPositionAlignment = {
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Statement: 0,
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BreakPosition: 1
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};
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function ScriptTypeFlag(type) {
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return (1 << type);
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}
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// Globals.
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var next_response_seq = 0;
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var next_break_point_number = 1;
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var break_points = [];
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var script_break_points = [];
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var debugger_flags = {
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breakPointsActive: {
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value: true,
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getValue: function() { return this.value; },
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setValue: function(value) {
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this.value = !!value;
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%SetDisableBreak(!this.value);
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}
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},
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breakOnCaughtException: {
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getValue: function() { return Debug.isBreakOnException(); },
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setValue: function(value) {
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if (value) {
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Debug.setBreakOnException();
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} else {
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Debug.clearBreakOnException();
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}
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}
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},
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breakOnUncaughtException: {
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getValue: function() { return Debug.isBreakOnUncaughtException(); },
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setValue: function(value) {
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if (value) {
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Debug.setBreakOnUncaughtException();
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} else {
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Debug.clearBreakOnUncaughtException();
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}
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}
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},
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};
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// Create a new break point object and add it to the list of break points.
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function MakeBreakPoint(source_position, opt_script_break_point) {
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var break_point = new BreakPoint(source_position, opt_script_break_point);
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break_points.push(break_point);
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return break_point;
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}
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// Object representing a break point.
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// NOTE: This object does not have a reference to the function having break
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// point as this would cause function not to be garbage collected when it is
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// not used any more. We do not want break points to keep functions alive.
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function BreakPoint(source_position, opt_script_break_point) {
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this.source_position_ = source_position;
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if (opt_script_break_point) {
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this.script_break_point_ = opt_script_break_point;
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} else {
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this.number_ = next_break_point_number++;
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}
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this.hit_count_ = 0;
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this.active_ = true;
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this.condition_ = null;
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this.ignoreCount_ = 0;
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}
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BreakPoint.prototype.number = function() {
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return this.number_;
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};
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BreakPoint.prototype.func = function() {
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return this.func_;
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};
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BreakPoint.prototype.source_position = function() {
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return this.source_position_;
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};
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BreakPoint.prototype.hit_count = function() {
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return this.hit_count_;
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};
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BreakPoint.prototype.active = function() {
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if (this.script_break_point()) {
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return this.script_break_point().active();
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}
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return this.active_;
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};
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BreakPoint.prototype.condition = function() {
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if (this.script_break_point() && this.script_break_point().condition()) {
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return this.script_break_point().condition();
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}
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return this.condition_;
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};
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BreakPoint.prototype.ignoreCount = function() {
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return this.ignoreCount_;
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};
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BreakPoint.prototype.script_break_point = function() {
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return this.script_break_point_;
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};
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BreakPoint.prototype.enable = function() {
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this.active_ = true;
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};
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BreakPoint.prototype.disable = function() {
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this.active_ = false;
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};
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BreakPoint.prototype.setCondition = function(condition) {
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this.condition_ = condition;
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};
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BreakPoint.prototype.setIgnoreCount = function(ignoreCount) {
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this.ignoreCount_ = ignoreCount;
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};
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BreakPoint.prototype.isTriggered = function(exec_state) {
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// Break point not active - not triggered.
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if (!this.active()) return false;
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// Check for conditional break point.
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if (this.condition()) {
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// If break point has condition try to evaluate it in the top frame.
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try {
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var mirror = exec_state.frame(0).evaluate(this.condition());
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// If no sensible mirror or non true value break point not triggered.
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if (!(mirror instanceof ValueMirror) || !%ToBoolean(mirror.value_)) {
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return false;
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}
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} catch (e) {
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// Exception evaluating condition counts as not triggered.
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return false;
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}
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}
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// Update the hit count.
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this.hit_count_++;
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if (this.script_break_point_) {
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this.script_break_point_.hit_count_++;
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}
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// If the break point has an ignore count it is not triggered.
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if (this.ignoreCount_ > 0) {
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this.ignoreCount_--;
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return false;
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}
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// Break point triggered.
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return true;
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};
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// Function called from the runtime when a break point is hit. Returns true if
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// the break point is triggered and supposed to break execution.
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function IsBreakPointTriggered(break_id, break_point) {
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return break_point.isTriggered(MakeExecutionState(break_id));
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}
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// Object representing a script break point. The script is referenced by its
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// script name or script id and the break point is represented as line and
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// column.
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function ScriptBreakPoint(type, script_id_or_name, opt_line, opt_column,
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opt_groupId, opt_position_alignment) {
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this.type_ = type;
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if (type == Debug.ScriptBreakPointType.ScriptId) {
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this.script_id_ = script_id_or_name;
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} else if (type == Debug.ScriptBreakPointType.ScriptName) {
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this.script_name_ = script_id_or_name;
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} else if (type == Debug.ScriptBreakPointType.ScriptRegExp) {
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this.script_regexp_object_ = new RegExp(script_id_or_name);
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} else {
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throw new Error("Unexpected breakpoint type " + type);
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}
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this.line_ = opt_line || 0;
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this.column_ = opt_column;
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this.groupId_ = opt_groupId;
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this.position_alignment_ = IS_UNDEFINED(opt_position_alignment)
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? Debug.BreakPositionAlignment.Statement : opt_position_alignment;
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this.hit_count_ = 0;
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this.active_ = true;
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this.condition_ = null;
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this.ignoreCount_ = 0;
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this.break_points_ = [];
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}
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//Creates a clone of script breakpoint that is linked to another script.
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ScriptBreakPoint.prototype.cloneForOtherScript = function (other_script) {
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var copy = new ScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId,
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other_script.id, this.line_, this.column_, this.groupId_,
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this.position_alignment_);
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copy.number_ = next_break_point_number++;
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script_break_points.push(copy);
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copy.hit_count_ = this.hit_count_;
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copy.active_ = this.active_;
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copy.condition_ = this.condition_;
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copy.ignoreCount_ = this.ignoreCount_;
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return copy;
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};
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ScriptBreakPoint.prototype.number = function() {
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return this.number_;
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};
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ScriptBreakPoint.prototype.groupId = function() {
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return this.groupId_;
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};
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ScriptBreakPoint.prototype.type = function() {
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return this.type_;
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};
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ScriptBreakPoint.prototype.script_id = function() {
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return this.script_id_;
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};
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ScriptBreakPoint.prototype.script_name = function() {
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return this.script_name_;
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};
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ScriptBreakPoint.prototype.script_regexp_object = function() {
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return this.script_regexp_object_;
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};
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ScriptBreakPoint.prototype.line = function() {
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return this.line_;
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};
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ScriptBreakPoint.prototype.column = function() {
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return this.column_;
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};
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ScriptBreakPoint.prototype.actual_locations = function() {
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var locations = [];
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for (var i = 0; i < this.break_points_.length; i++) {
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locations.push(this.break_points_[i].actual_location);
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}
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return locations;
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};
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ScriptBreakPoint.prototype.update_positions = function(line, column) {
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this.line_ = line;
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this.column_ = column;
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};
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ScriptBreakPoint.prototype.hit_count = function() {
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return this.hit_count_;
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};
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ScriptBreakPoint.prototype.active = function() {
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return this.active_;
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};
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ScriptBreakPoint.prototype.condition = function() {
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return this.condition_;
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};
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ScriptBreakPoint.prototype.ignoreCount = function() {
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return this.ignoreCount_;
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};
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ScriptBreakPoint.prototype.enable = function() {
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this.active_ = true;
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};
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ScriptBreakPoint.prototype.disable = function() {
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this.active_ = false;
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};
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ScriptBreakPoint.prototype.setCondition = function(condition) {
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this.condition_ = condition;
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};
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ScriptBreakPoint.prototype.setIgnoreCount = function(ignoreCount) {
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this.ignoreCount_ = ignoreCount;
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// Set ignore count on all break points created from this script break point.
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for (var i = 0; i < this.break_points_.length; i++) {
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this.break_points_[i].setIgnoreCount(ignoreCount);
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}
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};
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// Check whether a script matches this script break point. Currently this is
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// only based on script name.
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ScriptBreakPoint.prototype.matchesScript = function(script) {
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if (this.type_ == Debug.ScriptBreakPointType.ScriptId) {
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return this.script_id_ == script.id;
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} else {
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// We might want to account columns here as well.
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if (!(script.line_offset <= this.line_ &&
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this.line_ < script.line_offset + script.lineCount())) {
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return false;
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}
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if (this.type_ == Debug.ScriptBreakPointType.ScriptName) {
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return this.script_name_ == script.nameOrSourceURL();
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} else if (this.type_ == Debug.ScriptBreakPointType.ScriptRegExp) {
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return this.script_regexp_object_.test(script.nameOrSourceURL());
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} else {
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throw new Error("Unexpected breakpoint type " + this.type_);
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}
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}
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};
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// Set the script break point in a script.
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ScriptBreakPoint.prototype.set = function (script) {
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var column = this.column();
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var line = this.line();
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// If the column is undefined the break is on the line. To help locate the
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// first piece of breakable code on the line try to find the column on the
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// line which contains some source.
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if (IS_UNDEFINED(column)) {
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var source_line = script.sourceLine(this.line());
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// Allocate array for caching the columns where the actual source starts.
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if (!script.sourceColumnStart_) {
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script.sourceColumnStart_ = new Array(script.lineCount());
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}
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// Fill cache if needed and get column where the actual source starts.
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if (IS_UNDEFINED(script.sourceColumnStart_[line])) {
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script.sourceColumnStart_[line] =
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source_line.match(sourceLineBeginningSkip)[0].length;
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}
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column = script.sourceColumnStart_[line];
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}
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// Convert the line and column into an absolute position within the script.
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var position = Debug.findScriptSourcePosition(script, this.line(), column);
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// If the position is not found in the script (the script might be shorter
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// than it used to be) just ignore it.
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if (IS_NULL(position)) return;
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// Create a break point object and set the break point.
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var break_point = MakeBreakPoint(position, this);
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break_point.setIgnoreCount(this.ignoreCount());
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var actual_position = %SetScriptBreakPoint(script, position,
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this.position_alignment_,
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break_point);
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if (IS_UNDEFINED(actual_position)) {
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actual_position = position;
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}
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var actual_location = script.locationFromPosition(actual_position, true);
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break_point.actual_location = { line: actual_location.line,
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column: actual_location.column,
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script_id: script.id };
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this.break_points_.push(break_point);
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return break_point;
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};
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// Clear all the break points created from this script break point
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ScriptBreakPoint.prototype.clear = function () {
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var remaining_break_points = [];
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for (var i = 0; i < break_points.length; i++) {
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if (break_points[i].script_break_point() &&
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break_points[i].script_break_point() === this) {
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%ClearBreakPoint(break_points[i]);
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} else {
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remaining_break_points.push(break_points[i]);
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}
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}
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break_points = remaining_break_points;
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this.break_points_ = [];
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};
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// Function called from runtime when a new script is compiled to set any script
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// break points set in this script.
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function UpdateScriptBreakPoints(script) {
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for (var i = 0; i < script_break_points.length; i++) {
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var break_point = script_break_points[i];
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if ((break_point.type() == Debug.ScriptBreakPointType.ScriptName ||
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break_point.type() == Debug.ScriptBreakPointType.ScriptRegExp) &&
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break_point.matchesScript(script)) {
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break_point.set(script);
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}
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}
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}
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function GetScriptBreakPoints(script) {
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var result = [];
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for (var i = 0; i < script_break_points.length; i++) {
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if (script_break_points[i].matchesScript(script)) {
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result.push(script_break_points[i]);
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}
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}
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return result;
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}
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Debug.setListener = function(listener, opt_data) {
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if (!IS_FUNCTION(listener) && !IS_UNDEFINED(listener) && !IS_NULL(listener)) {
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throw new Error('Parameters have wrong types.');
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}
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%SetDebugEventListener(listener, opt_data);
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};
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Debug.breakExecution = function(f) {
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%Break();
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};
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Debug.breakLocations = function(f, opt_position_aligment) {
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if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
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var position_aligment = IS_UNDEFINED(opt_position_aligment)
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? Debug.BreakPositionAlignment.Statement : opt_position_aligment;
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return %GetBreakLocations(f, position_aligment);
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};
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// Returns a Script object. If the parameter is a function the return value
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// is the script in which the function is defined. If the parameter is a string
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// the return value is the script for which the script name has that string
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// value. If it is a regexp and there is a unique script whose name matches
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// we return that, otherwise undefined.
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Debug.findScript = function(func_or_script_name) {
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if (IS_FUNCTION(func_or_script_name)) {
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return %FunctionGetScript(func_or_script_name);
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} else if (IS_REGEXP(func_or_script_name)) {
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var scripts = Debug.scripts();
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var last_result = null;
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var result_count = 0;
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for (var i in scripts) {
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var script = scripts[i];
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if (func_or_script_name.test(script.name)) {
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last_result = script;
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result_count++;
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}
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}
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// Return the unique script matching the regexp. If there are more
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// than one we don't return a value since there is no good way to
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// decide which one to return. Returning a "random" one, say the
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// first, would introduce nondeterminism (or something close to it)
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// because the order is the heap iteration order.
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if (result_count == 1) {
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return last_result;
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} else {
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return undefined;
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}
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} else {
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return %GetScript(func_or_script_name);
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}
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};
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// Returns the script source. If the parameter is a function the return value
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// is the script source for the script in which the function is defined. If the
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// parameter is a string the return value is the script for which the script
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// name has that string value.
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Debug.scriptSource = function(func_or_script_name) {
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return this.findScript(func_or_script_name).source;
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};
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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.ExecuteInDebugContext = function(f, without_debugger) {
|
|
if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
|
|
return %ExecuteInDebugContext(f, !!without_debugger);
|
|
};
|
|
|
|
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.findBreakPointActualLocations = function(break_point_number) {
|
|
for (var i = 0; i < script_break_points.length; i++) {
|
|
if (script_break_points[i].number() == break_point_number) {
|
|
return script_break_points[i].actual_locations();
|
|
}
|
|
}
|
|
for (var i = 0; i < break_points.length; i++) {
|
|
if (break_points[i].number() == break_point_number) {
|
|
return [break_points[i].actual_location];
|
|
}
|
|
}
|
|
return [];
|
|
};
|
|
|
|
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);
|
|
var actual_position =
|
|
%SetFunctionBreakPoint(func, source_position, break_point);
|
|
actual_position += this.sourcePosition(func);
|
|
var actual_location = script.locationFromPosition(actual_position, true);
|
|
break_point.actual_location = { line: actual_location.line,
|
|
column: actual_location.column,
|
|
script_id: script.id };
|
|
break_point.setCondition(opt_condition);
|
|
return break_point.number();
|
|
}
|
|
};
|
|
|
|
|
|
Debug.setBreakPointByScriptIdAndPosition = function(script_id, position,
|
|
condition, enabled,
|
|
opt_position_alignment)
|
|
{
|
|
var break_point = MakeBreakPoint(position);
|
|
break_point.setCondition(condition);
|
|
if (!enabled) {
|
|
break_point.disable();
|
|
}
|
|
var scripts = this.scripts();
|
|
var position_alignment = IS_UNDEFINED(opt_position_alignment)
|
|
? Debug.BreakPositionAlignment.Statement : opt_position_alignment;
|
|
for (var i = 0; i < scripts.length; i++) {
|
|
if (script_id == scripts[i].id) {
|
|
break_point.actual_position = %SetScriptBreakPoint(scripts[i], position,
|
|
position_alignment, break_point);
|
|
break;
|
|
}
|
|
}
|
|
return break_point;
|
|
};
|
|
|
|
|
|
Debug.enableBreakPoint = function(break_point_number) {
|
|
var break_point = this.findBreakPoint(break_point_number, false);
|
|
// Only enable if the breakpoint hasn't been deleted:
|
|
if (break_point) {
|
|
break_point.enable();
|
|
}
|
|
};
|
|
|
|
|
|
Debug.disableBreakPoint = function(break_point_number) {
|
|
var break_point = this.findBreakPoint(break_point_number, false);
|
|
// Only enable if the breakpoint hasn't been deleted:
|
|
if (break_point) {
|
|
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++) {
|
|
var break_point = break_points[i];
|
|
%ClearBreakPoint(break_point);
|
|
}
|
|
break_points = [];
|
|
};
|
|
|
|
|
|
Debug.disableAllBreakPoints = function() {
|
|
// Disable all user defined breakpoints:
|
|
for (var i = 1; i < next_break_point_number; i++) {
|
|
Debug.disableBreakPoint(i);
|
|
}
|
|
// Disable all exception breakpoints:
|
|
%ChangeBreakOnException(Debug.ExceptionBreak.Caught, false);
|
|
%ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, false);
|
|
};
|
|
|
|
|
|
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, opt_position_alignment) {
|
|
// Create script break point object.
|
|
var script_break_point =
|
|
new ScriptBreakPoint(type, script_id_or_name, opt_line, opt_column,
|
|
opt_groupId, opt_position_alignment);
|
|
|
|
// 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,
|
|
opt_position_alignment) {
|
|
return this.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId,
|
|
script_id, opt_line, opt_column,
|
|
opt_condition, opt_groupId,
|
|
opt_position_alignment);
|
|
};
|
|
|
|
|
|
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.setScriptBreakPointByRegExp = function(script_regexp,
|
|
opt_line, opt_column,
|
|
opt_condition, opt_groupId) {
|
|
return this.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptRegExp,
|
|
script_regexp, 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.Caught, true);
|
|
};
|
|
|
|
Debug.clearBreakOnException = function() {
|
|
return %ChangeBreakOnException(Debug.ExceptionBreak.Caught, false);
|
|
};
|
|
|
|
Debug.isBreakOnException = function() {
|
|
return !!%IsBreakOnException(Debug.ExceptionBreak.Caught);
|
|
};
|
|
|
|
Debug.setBreakOnUncaughtException = function() {
|
|
return %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, true);
|
|
};
|
|
|
|
Debug.clearBreakOnUncaughtException = function() {
|
|
return %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, false);
|
|
};
|
|
|
|
Debug.isBreakOnUncaughtException = function() {
|
|
return !!%IsBreakOnException(Debug.ExceptionBreak.Uncaught);
|
|
};
|
|
|
|
Debug.showBreakPoints = function(f, full, opt_position_alignment) {
|
|
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, opt_position_alignment);
|
|
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();
|
|
};
|
|
|
|
|
|
Debug.debuggerFlags = function() {
|
|
return debugger_flags;
|
|
};
|
|
|
|
Debug.MakeMirror = MakeMirror;
|
|
|
|
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,
|
|
opt_callframe) {
|
|
var action = Debug.StepAction.StepIn;
|
|
if (!IS_UNDEFINED(opt_action)) action = %ToNumber(opt_action);
|
|
var count = opt_count ? %ToNumber(opt_count) : 1;
|
|
var callFrameId = 0;
|
|
if (!IS_UNDEFINED(opt_callframe)) {
|
|
callFrameId = opt_callframe.details_.frameId();
|
|
}
|
|
|
|
return %PrepareStep(this.break_id, action, count, callFrameId);
|
|
};
|
|
|
|
ExecutionState.prototype.evaluateGlobal = function(source, disable_break,
|
|
opt_additional_context) {
|
|
return MakeMirror(%DebugEvaluateGlobal(this.break_id, source,
|
|
Boolean(disable_break),
|
|
opt_additional_context));
|
|
};
|
|
|
|
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;
|
|
if (opt_index < 0 || opt_index >= this.frameCount()) {
|
|
throw new Error('Illegal frame index.');
|
|
}
|
|
return new FrameMirror(this.break_id, opt_index);
|
|
};
|
|
|
|
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(opt_is_running) {
|
|
return new DebugCommandProcessor(this, opt_is_running);
|
|
};
|
|
|
|
|
|
function MakeBreakEvent(break_id, break_points_hit) {
|
|
return new BreakEvent(break_id, break_points_hit);
|
|
}
|
|
|
|
|
|
function BreakEvent(break_id, break_points_hit) {
|
|
this.frame_ = new FrameMirror(break_id, 0);
|
|
this.break_points_hit_ = break_points_hit;
|
|
}
|
|
|
|
|
|
BreakEvent.prototype.eventType = function() {
|
|
return Debug.DebugEvent.Break;
|
|
};
|
|
|
|
|
|
BreakEvent.prototype.func = function() {
|
|
return this.frame_.func();
|
|
};
|
|
|
|
|
|
BreakEvent.prototype.sourceLine = function() {
|
|
return this.frame_.sourceLine();
|
|
};
|
|
|
|
|
|
BreakEvent.prototype.sourceColumn = function() {
|
|
return this.frame_.sourceColumn();
|
|
};
|
|
|
|
|
|
BreakEvent.prototype.sourceLineText = function() {
|
|
return this.frame_.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.frame_.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(break_id, exception, uncaught, promise) {
|
|
return new ExceptionEvent(break_id, exception, uncaught, promise);
|
|
}
|
|
|
|
|
|
function ExceptionEvent(break_id, exception, uncaught, promise) {
|
|
this.exec_state_ = new ExecutionState(break_id);
|
|
this.exception_ = exception;
|
|
this.uncaught_ = uncaught;
|
|
this.promise_ = promise;
|
|
}
|
|
|
|
|
|
ExceptionEvent.prototype.eventType = function() {
|
|
return Debug.DebugEvent.Exception;
|
|
};
|
|
|
|
|
|
ExceptionEvent.prototype.exception = function() {
|
|
return this.exception_;
|
|
};
|
|
|
|
|
|
ExceptionEvent.prototype.uncaught = function() {
|
|
return this.uncaught_;
|
|
};
|
|
|
|
|
|
ExceptionEvent.prototype.promise = function() {
|
|
return this.promise_;
|
|
};
|
|
|
|
|
|
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(script, type) {
|
|
return new CompileEvent(script, type);
|
|
}
|
|
|
|
|
|
function CompileEvent(script, type) {
|
|
this.script_ = MakeMirror(script);
|
|
this.type_ = type;
|
|
}
|
|
|
|
|
|
CompileEvent.prototype.eventType = function() {
|
|
return this.type_;
|
|
};
|
|
|
|
|
|
CompileEvent.prototype.script = function() {
|
|
return this.script_;
|
|
};
|
|
|
|
|
|
CompileEvent.prototype.toJSONProtocol = function() {
|
|
var o = new ProtocolMessage();
|
|
o.running = true;
|
|
switch (this.type_) {
|
|
case Debug.DebugEvent.BeforeCompile:
|
|
o.event = "beforeCompile";
|
|
break;
|
|
case Debug.DebugEvent.AfterCompile:
|
|
o.event = "afterCompile";
|
|
break;
|
|
case Debug.DebugEvent.CompileError:
|
|
o.event = "compileError";
|
|
break;
|
|
}
|
|
o.body = {};
|
|
o.body.script = this.script_;
|
|
|
|
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 MakePromiseEvent(event_data) {
|
|
return new PromiseEvent(event_data);
|
|
}
|
|
|
|
|
|
function PromiseEvent(event_data) {
|
|
this.promise_ = event_data.promise;
|
|
this.parentPromise_ = event_data.parentPromise;
|
|
this.status_ = event_data.status;
|
|
this.value_ = event_data.value;
|
|
}
|
|
|
|
|
|
PromiseEvent.prototype.promise = function() {
|
|
return MakeMirror(this.promise_);
|
|
}
|
|
|
|
|
|
PromiseEvent.prototype.parentPromise = function() {
|
|
return MakeMirror(this.parentPromise_);
|
|
}
|
|
|
|
|
|
PromiseEvent.prototype.status = function() {
|
|
return this.status_;
|
|
}
|
|
|
|
|
|
PromiseEvent.prototype.value = function() {
|
|
return MakeMirror(this.value_);
|
|
}
|
|
|
|
|
|
function MakeAsyncTaskEvent(event_data) {
|
|
return new AsyncTaskEvent(event_data);
|
|
}
|
|
|
|
|
|
function AsyncTaskEvent(event_data) {
|
|
this.type_ = event_data.type;
|
|
this.name_ = event_data.name;
|
|
this.id_ = event_data.id;
|
|
}
|
|
|
|
|
|
AsyncTaskEvent.prototype.type = function() {
|
|
return this.type_;
|
|
}
|
|
|
|
|
|
AsyncTaskEvent.prototype.name = function() {
|
|
return this.name_;
|
|
}
|
|
|
|
|
|
AsyncTaskEvent.prototype.id = function() {
|
|
return this.id_;
|
|
}
|
|
|
|
|
|
function DebugCommandProcessor(exec_state, opt_is_running) {
|
|
this.exec_state_ = exec_state;
|
|
this.running_ = opt_is_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;
|
|
// Handler may set this field to control debugger state.
|
|
this.running = undefined;
|
|
}
|
|
|
|
|
|
ProtocolMessage.prototype.setOption = function(name, value) {
|
|
if (!this.options_) {
|
|
this.options_ = {};
|
|
}
|
|
this.options_[name] = value;
|
|
};
|
|
|
|
|
|
ProtocolMessage.prototype.failed = function(message, opt_details) {
|
|
this.success = false;
|
|
this.message = message;
|
|
if (IS_OBJECT(opt_details)) {
|
|
this.error_details = opt_details;
|
|
}
|
|
};
|
|
|
|
|
|
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.error_details) {
|
|
json.error_details = this.error_details;
|
|
}
|
|
json.running = this.running;
|
|
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 = JSON.parse(json_request);
|
|
|
|
// 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');
|
|
}
|
|
|
|
if (request.arguments) {
|
|
var args = request.arguments;
|
|
// TODO(yurys): remove request.arguments.compactFormat check once
|
|
// ChromeDevTools are switched to 'inlineRefs'
|
|
if (args.inlineRefs || args.compactFormat) {
|
|
response.setOption('inlineRefs', true);
|
|
}
|
|
if (!IS_UNDEFINED(args.maxStringLength)) {
|
|
response.setOption('maxStringLength', args.maxStringLength);
|
|
}
|
|
}
|
|
|
|
var key = request.command.toLowerCase();
|
|
var handler = DebugCommandProcessor.prototype.dispatch_[key];
|
|
if (IS_FUNCTION(handler)) {
|
|
%_CallFunction(this, request, response, handler);
|
|
} 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 {
|
|
if (!IS_UNDEFINED(response.running)) {
|
|
// Response controls running state.
|
|
this.running_ = response.running;
|
|
}
|
|
response.running = this.running_;
|
|
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 + '".');
|
|
}
|
|
}
|
|
|
|
// Set up 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;
|
|
}
|
|
|
|
// 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 if (type == 'scriptId') {
|
|
break_point_number =
|
|
Debug.setScriptBreakPointById(target, line, column, condition, groupId);
|
|
} else if (type == 'scriptRegExp') {
|
|
break_point_number =
|
|
Debug.setScriptBreakPointByRegExp(target, line, column, condition,
|
|
groupId);
|
|
} else {
|
|
response.failed('Illegal type "' + type + '"');
|
|
return;
|
|
}
|
|
|
|
// 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 if (break_point.type() == Debug.ScriptBreakPointType.ScriptName) {
|
|
response.body.type = 'scriptName';
|
|
response.body.script_name = break_point.script_name();
|
|
} else if (break_point.type() == Debug.ScriptBreakPointType.ScriptRegExp) {
|
|
response.body.type = 'scriptRegExp';
|
|
response.body.script_regexp = break_point.script_regexp_object().source;
|
|
} else {
|
|
throw new Error("Internal error: Unexpected breakpoint type: " +
|
|
break_point.type());
|
|
}
|
|
response.body.line = break_point.line();
|
|
response.body.column = break_point.column();
|
|
response.body.actual_locations = break_point.actual_locations();
|
|
} else {
|
|
response.body.type = 'function';
|
|
response.body.actual_locations = [break_point.actual_location];
|
|
}
|
|
};
|
|
|
|
|
|
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.listBreakpointsRequest_ = function(
|
|
request, response) {
|
|
var array = [];
|
|
for (var i = 0; i < script_break_points.length; i++) {
|
|
var break_point = script_break_points[i];
|
|
|
|
var description = {
|
|
number: break_point.number(),
|
|
line: break_point.line(),
|
|
column: break_point.column(),
|
|
groupId: break_point.groupId(),
|
|
hit_count: break_point.hit_count(),
|
|
active: break_point.active(),
|
|
condition: break_point.condition(),
|
|
ignoreCount: break_point.ignoreCount(),
|
|
actual_locations: break_point.actual_locations()
|
|
};
|
|
|
|
if (break_point.type() == Debug.ScriptBreakPointType.ScriptId) {
|
|
description.type = 'scriptId';
|
|
description.script_id = break_point.script_id();
|
|
} else if (break_point.type() == Debug.ScriptBreakPointType.ScriptName) {
|
|
description.type = 'scriptName';
|
|
description.script_name = break_point.script_name();
|
|
} else if (break_point.type() == Debug.ScriptBreakPointType.ScriptRegExp) {
|
|
description.type = 'scriptRegExp';
|
|
description.script_regexp = break_point.script_regexp_object().source;
|
|
} else {
|
|
throw new Error("Internal error: Unexpected breakpoint type: " +
|
|
break_point.type());
|
|
}
|
|
array.push(description);
|
|
}
|
|
|
|
response.body = {
|
|
breakpoints: array,
|
|
breakOnExceptions: Debug.isBreakOnException(),
|
|
breakOnUncaughtExceptions: Debug.isBreakOnUncaughtException()
|
|
};
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.disconnectRequest_ =
|
|
function(request, response) {
|
|
Debug.disableAllBreakPoints();
|
|
this.continueRequest_(request, response);
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.setExceptionBreakRequest_ =
|
|
function(request, response) {
|
|
// Check for legal request.
|
|
if (!request.arguments) {
|
|
response.failed('Missing arguments');
|
|
return;
|
|
}
|
|
|
|
// Pull out and check the 'type' argument:
|
|
var type = request.arguments.type;
|
|
if (!type) {
|
|
response.failed('Missing argument "type"');
|
|
return;
|
|
}
|
|
|
|
// Initialize the default value of enable:
|
|
var enabled;
|
|
if (type == 'all') {
|
|
enabled = !Debug.isBreakOnException();
|
|
} else if (type == 'uncaught') {
|
|
enabled = !Debug.isBreakOnUncaughtException();
|
|
}
|
|
|
|
// Pull out and check the 'enabled' argument if present:
|
|
if (!IS_UNDEFINED(request.arguments.enabled)) {
|
|
enabled = request.arguments.enabled;
|
|
if ((enabled != true) && (enabled != false)) {
|
|
response.failed('Illegal value for "enabled":"' + enabled + '"');
|
|
}
|
|
}
|
|
|
|
// Now set the exception break state:
|
|
if (type == 'all') {
|
|
%ChangeBreakOnException(Debug.ExceptionBreak.Caught, enabled);
|
|
} else if (type == 'uncaught') {
|
|
%ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, enabled);
|
|
} else {
|
|
response.failed('Unknown "type":"' + type + '"');
|
|
}
|
|
|
|
// Add the cleared break point number to the response.
|
|
response.body = { 'type': type, 'enabled': enabled };
|
|
};
|
|
|
|
|
|
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.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.resolveFrameFromScopeDescription_ =
|
|
function(scope_description) {
|
|
// Get the frame for which the scope or scopes are requested.
|
|
// With no frameNumber argument use the currently selected frame.
|
|
if (scope_description && !IS_UNDEFINED(scope_description.frameNumber)) {
|
|
var frame_index = scope_description.frameNumber;
|
|
if (frame_index < 0 || this.exec_state_.frameCount() <= frame_index) {
|
|
throw new Error('Invalid frame number');
|
|
}
|
|
return this.exec_state_.frame(frame_index);
|
|
} else {
|
|
return this.exec_state_.frame();
|
|
}
|
|
};
|
|
|
|
|
|
// Gets scope host object from request. It is either a function
|
|
// ('functionHandle' argument must be specified) or a stack frame
|
|
// ('frameNumber' may be specified and the current frame is taken by default).
|
|
DebugCommandProcessor.prototype.resolveScopeHolder_ =
|
|
function(scope_description) {
|
|
if (scope_description && "functionHandle" in scope_description) {
|
|
if (!IS_NUMBER(scope_description.functionHandle)) {
|
|
throw new Error('Function handle must be a number');
|
|
}
|
|
var function_mirror = LookupMirror(scope_description.functionHandle);
|
|
if (!function_mirror) {
|
|
throw new Error('Failed to find function object by handle');
|
|
}
|
|
if (!function_mirror.isFunction()) {
|
|
throw new Error('Value of non-function type is found by handle');
|
|
}
|
|
return function_mirror;
|
|
} else {
|
|
// No frames no scopes.
|
|
if (this.exec_state_.frameCount() == 0) {
|
|
throw new Error('No scopes');
|
|
}
|
|
|
|
// Get the frame for which the scopes are requested.
|
|
var frame = this.resolveFrameFromScopeDescription_(scope_description);
|
|
return frame;
|
|
}
|
|
}
|
|
|
|
|
|
DebugCommandProcessor.prototype.scopesRequest_ = function(request, response) {
|
|
var scope_holder = this.resolveScopeHolder_(request.arguments);
|
|
|
|
// Fill all scopes for this frame or function.
|
|
var total_scopes = scope_holder.scopeCount();
|
|
var scopes = [];
|
|
for (var i = 0; i < total_scopes; i++) {
|
|
scopes.push(scope_holder.scope(i));
|
|
}
|
|
response.body = {
|
|
fromScope: 0,
|
|
toScope: total_scopes,
|
|
totalScopes: total_scopes,
|
|
scopes: scopes
|
|
};
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.scopeRequest_ = function(request, response) {
|
|
// Get the frame or function for which the scope is requested.
|
|
var scope_holder = this.resolveScopeHolder_(request.arguments);
|
|
|
|
// 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 || scope_holder.scopeCount() <= scope_index) {
|
|
return response.failed('Invalid scope number');
|
|
}
|
|
}
|
|
|
|
response.body = scope_holder.scope(scope_index);
|
|
};
|
|
|
|
|
|
// Reads value from protocol description. Description may be in form of type
|
|
// (for singletons), raw value (primitive types supported in JSON),
|
|
// string value description plus type (for primitive values) or handle id.
|
|
// Returns raw value or throws exception.
|
|
DebugCommandProcessor.resolveValue_ = function(value_description) {
|
|
if ("handle" in value_description) {
|
|
var value_mirror = LookupMirror(value_description.handle);
|
|
if (!value_mirror) {
|
|
throw new Error("Failed to resolve value by handle, ' #" +
|
|
value_description.handle + "# not found");
|
|
}
|
|
return value_mirror.value();
|
|
} else if ("stringDescription" in value_description) {
|
|
if (value_description.type == BOOLEAN_TYPE) {
|
|
return Boolean(value_description.stringDescription);
|
|
} else if (value_description.type == NUMBER_TYPE) {
|
|
return Number(value_description.stringDescription);
|
|
} if (value_description.type == STRING_TYPE) {
|
|
return String(value_description.stringDescription);
|
|
} else {
|
|
throw new Error("Unknown type");
|
|
}
|
|
} else if ("value" in value_description) {
|
|
return value_description.value;
|
|
} else if (value_description.type == UNDEFINED_TYPE) {
|
|
return UNDEFINED;
|
|
} else if (value_description.type == NULL_TYPE) {
|
|
return null;
|
|
} else {
|
|
throw new Error("Failed to parse value description");
|
|
}
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.setVariableValueRequest_ =
|
|
function(request, response) {
|
|
if (!request.arguments) {
|
|
response.failed('Missing arguments');
|
|
return;
|
|
}
|
|
|
|
if (IS_UNDEFINED(request.arguments.name)) {
|
|
response.failed('Missing variable name');
|
|
}
|
|
var variable_name = request.arguments.name;
|
|
|
|
var scope_description = request.arguments.scope;
|
|
|
|
// Get the frame or function for which the scope is requested.
|
|
var scope_holder = this.resolveScopeHolder_(scope_description);
|
|
|
|
if (IS_UNDEFINED(scope_description.number)) {
|
|
response.failed('Missing scope number');
|
|
}
|
|
var scope_index = %ToNumber(scope_description.number);
|
|
|
|
var scope = scope_holder.scope(scope_index);
|
|
|
|
var new_value =
|
|
DebugCommandProcessor.resolveValue_(request.arguments.newValue);
|
|
|
|
scope.setVariableValue(variable_name, new_value);
|
|
|
|
var new_value_mirror = MakeMirror(new_value);
|
|
|
|
response.body = {
|
|
newValue: new_value_mirror
|
|
};
|
|
};
|
|
|
|
|
|
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;
|
|
var additional_context = request.arguments.additional_context;
|
|
|
|
// 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');
|
|
}
|
|
|
|
var additional_context_object;
|
|
if (additional_context) {
|
|
additional_context_object = {};
|
|
for (var i = 0; i < additional_context.length; i++) {
|
|
var mapping = additional_context[i];
|
|
|
|
if (!IS_STRING(mapping.name)) {
|
|
return response.failed("Context element #" + i +
|
|
" doesn't contain name:string property");
|
|
}
|
|
|
|
var raw_value = DebugCommandProcessor.resolveValue_(mapping);
|
|
additional_context_object[mapping.name] = raw_value;
|
|
}
|
|
}
|
|
|
|
// Global evaluate.
|
|
if (global) {
|
|
// Evaluate in the native context.
|
|
response.body = this.exec_state_.evaluateGlobal(
|
|
expression, Boolean(disable_break), additional_context_object);
|
|
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), additional_context_object);
|
|
return;
|
|
} else {
|
|
// Evaluate in the selected frame.
|
|
response.body = this.exec_state_.frame().evaluate(
|
|
expression, Boolean(disable_break), additional_context_object);
|
|
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)) {
|
|
var 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;
|
|
}
|
|
}
|
|
|
|
var filterStr = null;
|
|
var filterNum = null;
|
|
if (!IS_UNDEFINED(request.arguments.filter)) {
|
|
var num = %ToNumber(request.arguments.filter);
|
|
if (!isNaN(num)) {
|
|
filterNum = num;
|
|
}
|
|
filterStr = request.arguments.filter;
|
|
}
|
|
}
|
|
|
|
// 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 (filterStr || filterNum) {
|
|
var script = scripts[i];
|
|
var found = false;
|
|
if (filterNum && !found) {
|
|
if (script.id && script.id === filterNum) {
|
|
found = true;
|
|
}
|
|
}
|
|
if (filterStr && !found) {
|
|
if (script.name && script.name.indexOf(filterStr) >= 0) {
|
|
found = true;
|
|
}
|
|
}
|
|
if (!found) 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
|
|
};
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.suspendRequest_ = function(request, response) {
|
|
response.running = false;
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.versionRequest_ = function(request, response) {
|
|
response.body = {
|
|
V8Version: %GetV8Version()
|
|
};
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.changeLiveRequest_ = function(
|
|
request, response) {
|
|
if (!request.arguments) {
|
|
return response.failed('Missing arguments');
|
|
}
|
|
var script_id = request.arguments.script_id;
|
|
var preview_only = !!request.arguments.preview_only;
|
|
|
|
var scripts = %DebugGetLoadedScripts();
|
|
|
|
var the_script = null;
|
|
for (var i = 0; i < scripts.length; i++) {
|
|
if (scripts[i].id == script_id) {
|
|
the_script = scripts[i];
|
|
}
|
|
}
|
|
if (!the_script) {
|
|
response.failed('Script not found');
|
|
return;
|
|
}
|
|
|
|
var change_log = new Array();
|
|
|
|
if (!IS_STRING(request.arguments.new_source)) {
|
|
throw "new_source argument expected";
|
|
}
|
|
|
|
var new_source = request.arguments.new_source;
|
|
|
|
var result_description;
|
|
try {
|
|
result_description = Debug.LiveEdit.SetScriptSource(the_script,
|
|
new_source, preview_only, change_log);
|
|
} catch (e) {
|
|
if (e instanceof Debug.LiveEdit.Failure && "details" in e) {
|
|
response.failed(e.message, e.details);
|
|
return;
|
|
}
|
|
throw e;
|
|
}
|
|
response.body = {change_log: change_log, result: result_description};
|
|
|
|
if (!preview_only && !this.running_ && result_description.stack_modified) {
|
|
response.body.stepin_recommended = true;
|
|
}
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.restartFrameRequest_ = function(
|
|
request, response) {
|
|
if (!request.arguments) {
|
|
return response.failed('Missing arguments');
|
|
}
|
|
var frame = request.arguments.frame;
|
|
|
|
// No frames to evaluate in frame.
|
|
if (this.exec_state_.frameCount() == 0) {
|
|
return response.failed('No frames');
|
|
}
|
|
|
|
var frame_mirror;
|
|
// 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 + '"');
|
|
}
|
|
// Restart specified frame.
|
|
frame_mirror = this.exec_state_.frame(frame_number);
|
|
} else {
|
|
// Restart selected frame.
|
|
frame_mirror = this.exec_state_.frame();
|
|
}
|
|
|
|
var result_description = Debug.LiveEdit.RestartFrame(frame_mirror);
|
|
response.body = {result: result_description};
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.debuggerFlagsRequest_ = function(request,
|
|
response) {
|
|
// Check for legal request.
|
|
if (!request.arguments) {
|
|
response.failed('Missing arguments');
|
|
return;
|
|
}
|
|
|
|
// Pull out arguments.
|
|
var flags = request.arguments.flags;
|
|
|
|
response.body = { flags: [] };
|
|
if (!IS_UNDEFINED(flags)) {
|
|
for (var i = 0; i < flags.length; i++) {
|
|
var name = flags[i].name;
|
|
var debugger_flag = debugger_flags[name];
|
|
if (!debugger_flag) {
|
|
continue;
|
|
}
|
|
if ('value' in flags[i]) {
|
|
debugger_flag.setValue(flags[i].value);
|
|
}
|
|
response.body.flags.push({ name: name, value: debugger_flag.getValue() });
|
|
}
|
|
} else {
|
|
for (var name in debugger_flags) {
|
|
var value = debugger_flags[name].getValue();
|
|
response.body.flags.push({ name: name, value: value });
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.v8FlagsRequest_ = function(request, response) {
|
|
var flags = request.arguments.flags;
|
|
if (!flags) flags = '';
|
|
%SetFlags(flags);
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.gcRequest_ = function(request, response) {
|
|
var type = request.arguments.type;
|
|
if (!type) type = 'all';
|
|
|
|
var before = %GetHeapUsage();
|
|
%CollectGarbage(type);
|
|
var after = %GetHeapUsage();
|
|
|
|
response.body = { "before": before, "after": after };
|
|
};
|
|
|
|
|
|
DebugCommandProcessor.prototype.dispatch_ = (function() {
|
|
var proto = DebugCommandProcessor.prototype;
|
|
return {
|
|
"continue": proto.continueRequest_,
|
|
"break" : proto.breakRequest_,
|
|
"setbreakpoint" : proto.setBreakPointRequest_,
|
|
"changebreakpoint": proto.changeBreakPointRequest_,
|
|
"clearbreakpoint": proto.clearBreakPointRequest_,
|
|
"clearbreakpointgroup": proto.clearBreakPointGroupRequest_,
|
|
"disconnect": proto.disconnectRequest_,
|
|
"setexceptionbreak": proto.setExceptionBreakRequest_,
|
|
"listbreakpoints": proto.listBreakpointsRequest_,
|
|
"backtrace": proto.backtraceRequest_,
|
|
"frame": proto.frameRequest_,
|
|
"scopes": proto.scopesRequest_,
|
|
"scope": proto.scopeRequest_,
|
|
"setvariablevalue": proto.setVariableValueRequest_,
|
|
"evaluate": proto.evaluateRequest_,
|
|
"lookup": proto.lookupRequest_,
|
|
"references": proto.referencesRequest_,
|
|
"source": proto.sourceRequest_,
|
|
"scripts": proto.scriptsRequest_,
|
|
"threads": proto.threadsRequest_,
|
|
"suspend": proto.suspendRequest_,
|
|
"version": proto.versionRequest_,
|
|
"changelive": proto.changeLiveRequest_,
|
|
"restartframe": proto.restartFrameRequest_,
|
|
"flags": proto.debuggerFlagsRequest_,
|
|
"v8flag": proto.v8FlagsRequest_,
|
|
"gc": proto.gcRequest_,
|
|
};
|
|
})();
|
|
|
|
|
|
// 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();
|
|
};
|
|
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
Debug.TestApi = {
|
|
CommandProcessorResolveValue: DebugCommandProcessor.resolveValue_
|
|
};
|