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Diffstat (limited to 'V8Binding/v8/src/d8.js')
| -rw-r--r-- | V8Binding/v8/src/d8.js | 1625 |
1 files changed, 0 insertions, 1625 deletions
diff --git a/V8Binding/v8/src/d8.js b/V8Binding/v8/src/d8.js deleted file mode 100644 index be4a051..0000000 --- a/V8Binding/v8/src/d8.js +++ /dev/null @@ -1,1625 +0,0 @@ -// Copyright 2008 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -String.prototype.startsWith = function (str) { - if (str.length > this.length) - return false; - return this.substr(0, str.length) == str; -} - -function log10(num) { - return Math.log(num)/Math.log(10); -} - -function ToInspectableObject(obj) { - if (!obj && typeof obj === 'object') { - return void 0; - } else { - return Object(obj); - } -} - -function GetCompletions(global, last, full) { - var full_tokens = full.split(); - full = full_tokens.pop(); - var parts = full.split('.'); - parts.pop(); - var current = global; - for (var i = 0; i < parts.length; i++) { - var part = parts[i]; - var next = current[part]; - if (!next) - return []; - current = next; - } - var result = []; - current = ToInspectableObject(current); - while (typeof current !== 'undefined') { - var mirror = new $debug.ObjectMirror(current); - var properties = mirror.properties(); - for (var i = 0; i < properties.length; i++) { - var name = properties[i].name(); - if (typeof name === 'string' && name.startsWith(last)) - result.push(name); - } - current = ToInspectableObject(current.__proto__); - } - return result; -} - - -// Global object holding debugger related constants and state. -const Debug = {}; - - -// Debug events which can occour in the V8 JavaScript engine. These originate -// from the API include file v8-debug.h. -Debug.DebugEvent = { Break: 1, - Exception: 2, - NewFunction: 3, - BeforeCompile: 4, - AfterCompile: 5 }; - - -// The different types of scripts matching enum ScriptType in objects.h. -Debug.ScriptType = { Native: 0, - Extension: 1, - Normal: 2 }; - - -// The different types of script compilations matching enum -// Script::CompilationType in objects.h. -Debug.ScriptCompilationType = { Host: 0, - Eval: 1, - JSON: 2 }; - - -// The different types of scopes matching constants runtime.cc. -Debug.ScopeType = { Global: 0, - Local: 1, - With: 2, - Closure: 3, - Catch: 4 }; - - -// Current debug state. -const kNoFrame = -1; -Debug.State = { - currentFrame: kNoFrame, - currentSourceLine: -1 -} -var trace_compile = false; // Tracing all compile events? - - -// Process a debugger JSON message into a display text and a running status. -// This function returns an object with properties "text" and "running" holding -// this information. -function DebugMessageDetails(message) { - // Convert the JSON string to an object. - var response = new ProtocolPackage(message); - - if (response.type() == 'event') { - return DebugEventDetails(response); - } else { - return DebugResponseDetails(response); - } -} - -function DebugEventDetails(response) { - details = {text:'', running:false} - - // Get the running state. - details.running = response.running(); - - var body = response.body(); - var result = ''; - switch (response.event()) { - case 'break': - if (body.breakpoints) { - result += 'breakpoint'; - if (body.breakpoints.length > 1) { - result += 's'; - } - result += ' #'; - for (var i = 0; i < body.breakpoints.length; i++) { - if (i > 0) { - result += ', #'; - } - result += body.breakpoints[i]; - } - } else { - result += 'break'; - } - result += ' in '; - result += body.invocationText; - result += ', '; - result += SourceInfo(body); - result += '\n'; - result += SourceUnderline(body.sourceLineText, body.sourceColumn); - Debug.State.currentSourceLine = body.sourceLine; - Debug.State.currentFrame = 0; - details.text = result; - break; - - case 'exception': - if (body.uncaught) { - result += 'Uncaught: '; - } else { - result += 'Exception: '; - } - result += '"'; - result += body.exception.text; - result += '"'; - if (body.sourceLine >= 0) { - result += ', '; - result += SourceInfo(body); - result += '\n'; - result += SourceUnderline(body.sourceLineText, body.sourceColumn); - Debug.State.currentSourceLine = body.sourceLine; - Debug.State.currentFrame = 0; - } else { - result += ' (empty stack)'; - Debug.State.currentSourceLine = -1; - Debug.State.currentFrame = kNoFrame; - } - details.text = result; - break; - - case 'afterCompile': - if (trace_compile) { - result = 'Source ' + body.script.name + ' compiled:\n' - var source = body.script.source; - if (!(source[source.length - 1] == '\n')) { - result += source; - } else { - result += source.substring(0, source.length - 1); - } - } - details.text = result; - break; - - default: - details.text = 'Unknown debug event ' + response.event(); - } - - return details; -}; - - -function SourceInfo(body) { - var result = ''; - - if (body.script) { - if (body.script.name) { - result += body.script.name; - } else { - result += '[unnamed]'; - } - } - result += ' line '; - result += body.sourceLine + 1; - result += ' column '; - result += body.sourceColumn + 1; - - return result; -} - - -function SourceUnderline(source_text, position) { - if (!source_text) { - return; - } - - // Create an underline with a caret pointing to the source position. If the - // source contains a tab character the underline will have a tab character in - // the same place otherwise the underline will have a space character. - var underline = ''; - for (var i = 0; i < position; i++) { - if (source_text[i] == '\t') { - underline += '\t'; - } else { - underline += ' '; - } - } - underline += '^'; - - // Return the source line text with the underline beneath. - return source_text + '\n' + underline; -}; - - -// Converts a text command to a JSON request. -function DebugCommandToJSONRequest(cmd_line) { - return new DebugRequest(cmd_line).JSONRequest(); -}; - - -function DebugRequest(cmd_line) { - // If the very first character is a { assume that a JSON request have been - // entered as a command. Converting that to a JSON request is trivial. - if (cmd_line && cmd_line.length > 0 && cmd_line.charAt(0) == '{') { - this.request_ = cmd_line; - return; - } - - // Trim string for leading and trailing whitespace. - cmd_line = cmd_line.replace(/^\s+|\s+$/g, ''); - - // Find the command. - var pos = cmd_line.indexOf(' '); - var cmd; - var args; - if (pos == -1) { - cmd = cmd_line; - args = ''; - } else { - cmd = cmd_line.slice(0, pos); - args = cmd_line.slice(pos).replace(/^\s+|\s+$/g, ''); - } - - // Switch on command. - switch (cmd) { - case 'continue': - case 'c': - this.request_ = this.continueCommandToJSONRequest_(args); - break; - - case 'step': - case 's': - this.request_ = this.stepCommandToJSONRequest_(args); - break; - - case 'backtrace': - case 'bt': - this.request_ = this.backtraceCommandToJSONRequest_(args); - break; - - case 'frame': - case 'f': - this.request_ = this.frameCommandToJSONRequest_(args); - break; - - case 'scopes': - this.request_ = this.scopesCommandToJSONRequest_(args); - break; - - case 'scope': - this.request_ = this.scopeCommandToJSONRequest_(args); - break; - - case 'print': - case 'p': - this.request_ = this.printCommandToJSONRequest_(args); - break; - - case 'dir': - this.request_ = this.dirCommandToJSONRequest_(args); - break; - - case 'references': - this.request_ = this.referencesCommandToJSONRequest_(args); - break; - - case 'instances': - this.request_ = this.instancesCommandToJSONRequest_(args); - break; - - case 'source': - this.request_ = this.sourceCommandToJSONRequest_(args); - break; - - case 'scripts': - this.request_ = this.scriptsCommandToJSONRequest_(args); - break; - - case 'break': - case 'b': - this.request_ = this.breakCommandToJSONRequest_(args); - break; - - case 'clear': - this.request_ = this.clearCommandToJSONRequest_(args); - break; - - case 'threads': - this.request_ = this.threadsCommandToJSONRequest_(args); - break; - - case 'trace': - // Return undefined to indicate command handled internally (no JSON). - this.request_ = void 0; - this.traceCommand_(args); - break; - - case 'help': - case '?': - this.helpCommand_(args); - // Return undefined to indicate command handled internally (no JSON). - this.request_ = void 0; - break; - - default: - throw new Error('Unknown command "' + cmd + '"'); - } - - last_cmd = cmd; -} - -DebugRequest.prototype.JSONRequest = function() { - return this.request_; -} - - -function RequestPacket(command) { - this.seq = 0; - this.type = 'request'; - this.command = command; -} - - -RequestPacket.prototype.toJSONProtocol = function() { - // Encode the protocol header. - var json = '{'; - json += '"seq":' + this.seq; - json += ',"type":"' + this.type + '"'; - if (this.command) { - json += ',"command":' + StringToJSON_(this.command); - } - if (this.arguments) { - json += ',"arguments":'; - // Encode the arguments part. - if (this.arguments.toJSONProtocol) { - json += this.arguments.toJSONProtocol() - } else { - json += SimpleObjectToJSON_(this.arguments); - } - } - json += '}'; - return json; -} - - -DebugRequest.prototype.createRequest = function(command) { - return new RequestPacket(command); -}; - - -// Create a JSON request for the evaluation command. -DebugRequest.prototype.makeEvaluateJSONRequest_ = function(expression) { - // Global varaible used to store whether a handle was requested. - lookup_handle = null; - // Check if the expression is a handle id in the form #<handle>#. - var handle_match = expression.match(/^#([0-9]*)#$/); - if (handle_match) { - // Remember the handle requested in a global variable. - lookup_handle = parseInt(handle_match[1]); - // Build a lookup request. - var request = this.createRequest('lookup'); - request.arguments = {}; - request.arguments.handles = [ lookup_handle ]; - return request.toJSONProtocol(); - } else { - // Build an evaluate request. - var request = this.createRequest('evaluate'); - request.arguments = {}; - request.arguments.expression = expression; - // Request a global evaluation if there is no current frame. - if (Debug.State.currentFrame == kNoFrame) { - request.arguments.global = true; - } - return request.toJSONProtocol(); - } -}; - - -// Create a JSON request for the references/instances command. -DebugRequest.prototype.makeReferencesJSONRequest_ = function(handle, type) { - // Build a references request. - var handle_match = handle.match(/^#([0-9]*)#$/); - if (handle_match) { - var request = this.createRequest('references'); - request.arguments = {}; - request.arguments.type = type; - request.arguments.handle = parseInt(handle_match[1]); - return request.toJSONProtocol(); - } else { - throw new Error('Invalid object id.'); - } -}; - - -// Create a JSON request for the continue command. -DebugRequest.prototype.continueCommandToJSONRequest_ = function(args) { - var request = this.createRequest('continue'); - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the step command. -DebugRequest.prototype.stepCommandToJSONRequest_ = function(args) { - // Requesting a step is through the continue command with additional - // arguments. - var request = this.createRequest('continue'); - request.arguments = {}; - - // Process arguments if any. - if (args && args.length > 0) { - args = args.split(/\s*[ ]+\s*/g); - - if (args.length > 2) { - throw new Error('Invalid step arguments.'); - } - - if (args.length > 0) { - // Get step count argument if any. - if (args.length == 2) { - var stepcount = parseInt(args[1]); - if (isNaN(stepcount) || stepcount <= 0) { - throw new Error('Invalid step count argument "' + args[0] + '".'); - } - request.arguments.stepcount = stepcount; - } - - // Get the step action. - switch (args[0]) { - case 'in': - case 'i': - request.arguments.stepaction = 'in'; - break; - - case 'min': - case 'm': - request.arguments.stepaction = 'min'; - break; - - case 'next': - case 'n': - request.arguments.stepaction = 'next'; - break; - - case 'out': - case 'o': - request.arguments.stepaction = 'out'; - break; - - default: - throw new Error('Invalid step argument "' + args[0] + '".'); - } - } - } else { - // Default is step next. - request.arguments.stepaction = 'next'; - } - - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the backtrace command. -DebugRequest.prototype.backtraceCommandToJSONRequest_ = function(args) { - // Build a backtrace request from the text command. - var request = this.createRequest('backtrace'); - - // Default is to show top 10 frames. - request.arguments = {}; - request.arguments.fromFrame = 0; - request.arguments.toFrame = 10; - - args = args.split(/\s*[ ]+\s*/g); - if (args.length == 1 && args[0].length > 0) { - var frameCount = parseInt(args[0]); - if (frameCount > 0) { - // Show top frames. - request.arguments.fromFrame = 0; - request.arguments.toFrame = frameCount; - } else { - // Show bottom frames. - request.arguments.fromFrame = 0; - request.arguments.toFrame = -frameCount; - request.arguments.bottom = true; - } - } else if (args.length == 2) { - var fromFrame = parseInt(args[0]); - var toFrame = parseInt(args[1]); - if (isNaN(fromFrame) || fromFrame < 0) { - throw new Error('Invalid start frame argument "' + args[0] + '".'); - } - if (isNaN(toFrame) || toFrame < 0) { - throw new Error('Invalid end frame argument "' + args[1] + '".'); - } - if (fromFrame > toFrame) { - throw new Error('Invalid arguments start frame cannot be larger ' + - 'than end frame.'); - } - // Show frame range. - request.arguments.fromFrame = fromFrame; - request.arguments.toFrame = toFrame + 1; - } else if (args.length > 2) { - throw new Error('Invalid backtrace arguments.'); - } - - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the frame command. -DebugRequest.prototype.frameCommandToJSONRequest_ = function(args) { - // Build a frame request from the text command. - var request = this.createRequest('frame'); - args = args.split(/\s*[ ]+\s*/g); - if (args.length > 0 && args[0].length > 0) { - request.arguments = {}; - request.arguments.number = args[0]; - } - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the scopes command. -DebugRequest.prototype.scopesCommandToJSONRequest_ = function(args) { - // Build a scopes request from the text command. - var request = this.createRequest('scopes'); - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the scope command. -DebugRequest.prototype.scopeCommandToJSONRequest_ = function(args) { - // Build a scope request from the text command. - var request = this.createRequest('scope'); - args = args.split(/\s*[ ]+\s*/g); - if (args.length > 0 && args[0].length > 0) { - request.arguments = {}; - request.arguments.number = args[0]; - } - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the print command. -DebugRequest.prototype.printCommandToJSONRequest_ = function(args) { - // Build an evaluate request from the text command. - if (args.length == 0) { - throw new Error('Missing expression.'); - } - return this.makeEvaluateJSONRequest_(args); -}; - - -// Create a JSON request for the dir command. -DebugRequest.prototype.dirCommandToJSONRequest_ = function(args) { - // Build an evaluate request from the text command. - if (args.length == 0) { - throw new Error('Missing expression.'); - } - return this.makeEvaluateJSONRequest_(args); -}; - - -// Create a JSON request for the references command. -DebugRequest.prototype.referencesCommandToJSONRequest_ = function(args) { - // Build an evaluate request from the text command. - if (args.length == 0) { - throw new Error('Missing object id.'); - } - - return this.makeReferencesJSONRequest_(args, 'referencedBy'); -}; - - -// Create a JSON request for the instances command. -DebugRequest.prototype.instancesCommandToJSONRequest_ = function(args) { - // Build an evaluate request from the text command. - if (args.length == 0) { - throw new Error('Missing object id.'); - } - - // Build a references request. - return this.makeReferencesJSONRequest_(args, 'constructedBy'); -}; - - -// Create a JSON request for the source command. -DebugRequest.prototype.sourceCommandToJSONRequest_ = function(args) { - // Build a evaluate request from the text command. - var request = this.createRequest('source'); - - // Default is ten lines starting five lines before the current location. - var from = Debug.State.currentSourceLine - 5; - var lines = 10; - - // Parse the arguments. - args = args.split(/\s*[ ]+\s*/g); - if (args.length > 1 && args[0].length > 0 && args[1].length > 0) { - from = parseInt(args[0]) - 1; - lines = parseInt(args[1]); - } else if (args.length > 0 && args[0].length > 0) { - from = parseInt(args[0]) - 1; - } - - if (from < 0) from = 0; - if (lines < 0) lines = 10; - - // Request source arround current source location. - request.arguments = {}; - request.arguments.fromLine = from; - request.arguments.toLine = from + lines; - - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the scripts command. -DebugRequest.prototype.scriptsCommandToJSONRequest_ = function(args) { - // Build a evaluate request from the text command. - var request = this.createRequest('scripts'); - - // Process arguments if any. - if (args && args.length > 0) { - args = args.split(/\s*[ ]+\s*/g); - - if (args.length > 1) { - throw new Error('Invalid scripts arguments.'); - } - - request.arguments = {}; - switch (args[0]) { - case 'natives': - request.arguments.types = ScriptTypeFlag(Debug.ScriptType.Native); - break; - - case 'extensions': - request.arguments.types = ScriptTypeFlag(Debug.ScriptType.Extension); - break; - - case 'all': - request.arguments.types = - ScriptTypeFlag(Debug.ScriptType.Normal) | - ScriptTypeFlag(Debug.ScriptType.Native) | - ScriptTypeFlag(Debug.ScriptType.Extension); - break; - - default: - throw new Error('Invalid argument "' + args[0] + '".'); - } - } - - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the break command. -DebugRequest.prototype.breakCommandToJSONRequest_ = function(args) { - // Build a evaluate request from the text command. - var request = this.createRequest('setbreakpoint'); - - // Process arguments if any. - if (args && args.length > 0) { - var target = args; - var type = 'function'; - var line; - var column; - var condition; - var pos; - - // Check for breakpoint condition. - pos = args.indexOf(' '); - if (pos > 0) { - target = args.substring(0, pos); - condition = args.substring(pos + 1, args.length); - } - - // Check for script breakpoint (name:line[:column]). If no ':' in break - // specification it is considered a function break point. - pos = target.indexOf(':'); - if (pos > 0) { - type = 'script'; - var tmp = target.substring(pos + 1, target.length); - target = target.substring(0, pos); - - // Check for both line and column. - pos = tmp.indexOf(':'); - if (pos > 0) { - column = parseInt(tmp.substring(pos + 1, tmp.length)) - 1; - line = parseInt(tmp.substring(0, pos)) - 1; - } else { - line = parseInt(tmp) - 1; - } - } else if (target[0] == '#' && target[target.length - 1] == '#') { - type = 'handle'; - target = target.substring(1, target.length - 1); - } else { - type = 'function'; - } - - request.arguments = {}; - request.arguments.type = type; - request.arguments.target = target; - request.arguments.line = line; - request.arguments.column = column; - request.arguments.condition = condition; - } else { - throw new Error('Invalid break arguments.'); - } - - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the clear command. -DebugRequest.prototype.clearCommandToJSONRequest_ = function(args) { - // Build a evaluate request from the text command. - var request = this.createRequest('clearbreakpoint'); - - // Process arguments if any. - if (args && args.length > 0) { - request.arguments = {}; - request.arguments.breakpoint = parseInt(args); - } else { - throw new Error('Invalid break arguments.'); - } - - return request.toJSONProtocol(); -}; - - -// Create a JSON request for the threads command. -DebugRequest.prototype.threadsCommandToJSONRequest_ = function(args) { - // Build a threads request from the text command. - var request = this.createRequest('threads'); - return request.toJSONProtocol(); -}; - - -// Handle the trace command. -DebugRequest.prototype.traceCommand_ = function(args) { - // Process arguments. - if (args && args.length > 0) { - if (args == 'compile') { - trace_compile = !trace_compile; - print('Tracing of compiled scripts ' + (trace_compile ? 'on' : 'off')); - } else { - throw new Error('Invalid trace arguments.'); - } - } else { - throw new Error('Invalid trace arguments.'); - } -} - -// Handle the help command. -DebugRequest.prototype.helpCommand_ = function(args) { - // Help os quite simple. - if (args && args.length > 0) { - print('warning: arguments to \'help\' are ignored'); - } - - print('break location [condition]'); - print(' break on named function: location is a function name'); - print(' break on function: location is #<id>#'); - print(' break on script position: location is name:line[:column]'); - print('clear <breakpoint #>'); - print('backtrace [n] | [-n] | [from to]'); - print('frame <frame #>'); - print('scopes'); - print('scope <scope #>'); - print('step [in | next | out| min [step count]]'); - print('print <expression>'); - print('dir <expression>'); - print('source [from line [num lines]]'); - print('scripts'); - print('continue'); - print('trace compile'); - print('help'); -} - - -function formatHandleReference_(value) { - if (value.handle() >= 0) { - return '#' + value.handle() + '#'; - } else { - return '#Transient#'; - } -} - - -function formatObject_(value, include_properties) { - var result = ''; - result += formatHandleReference_(value); - result += ', type: object' - result += ', constructor '; - var ctor = value.constructorFunctionValue(); - result += formatHandleReference_(ctor); - result += ', __proto__ '; - var proto = value.protoObjectValue(); - result += formatHandleReference_(proto); - result += ', '; - result += value.propertyCount(); - result += ' properties.'; - if (include_properties) { - result += '\n'; - for (var i = 0; i < value.propertyCount(); i++) { - result += ' '; - result += value.propertyName(i); - result += ': '; - var property_value = value.propertyValue(i); - if (property_value instanceof ProtocolReference) { - result += '<no type>'; - } else { - if (property_value && property_value.type()) { - result += property_value.type(); - } else { - result += '<no type>'; - } - } - result += ' '; - result += formatHandleReference_(property_value); - result += '\n'; - } - } - return result; -} - - -function formatScope_(scope) { - var result = ''; - var index = scope.index; - result += '#' + (index <= 9 ? '0' : '') + index; - result += ' '; - switch (scope.type) { - case Debug.ScopeType.Global: - result += 'Global, '; - result += '#' + scope.object.ref + '#'; - break; - case Debug.ScopeType.Local: - result += 'Local'; - break; - case Debug.ScopeType.With: - result += 'With, '; - result += '#' + scope.object.ref + '#'; - break; - case Debug.ScopeType.Catch: - result += 'Catch, '; - result += '#' + scope.object.ref + '#'; - break; - case Debug.ScopeType.Closure: - result += 'Closure'; - break; - default: - result += 'UNKNOWN'; - } - return result; -} - - -// Convert a JSON response to text for display in a text based debugger. -function DebugResponseDetails(response) { - details = {text:'', running:false} - - try { - if (!response.success()) { - details.text = response.message(); - return details; - } - - // Get the running state. - details.running = response.running(); - - var body = response.body(); - var result = ''; - switch (response.command()) { - case 'setbreakpoint': - result = 'set breakpoint #'; - result += body.breakpoint; - details.text = result; - break; - - case 'clearbreakpoint': - result = 'cleared breakpoint #'; - result += body.breakpoint; - details.text = result; - break; - - case 'backtrace': - if (body.totalFrames == 0) { - result = '(empty stack)'; - } else { - var result = 'Frames #' + body.fromFrame + ' to #' + - (body.toFrame - 1) + ' of ' + body.totalFrames + '\n'; - for (i = 0; i < body.frames.length; i++) { - if (i != 0) result += '\n'; - result += body.frames[i].text; - } - } - details.text = result; - break; - - case 'frame': - details.text = SourceUnderline(body.sourceLineText, - body.column); - Debug.State.currentSourceLine = body.line; - Debug.State.currentFrame = body.index; - break; - - case 'scopes': - if (body.totalScopes == 0) { - result = '(no scopes)'; - } else { - result = 'Scopes #' + body.fromScope + ' to #' + - (body.toScope - 1) + ' of ' + body.totalScopes + '\n'; - for (i = 0; i < body.scopes.length; i++) { - if (i != 0) { - result += '\n'; - } - result += formatScope_(body.scopes[i]); - } - } - details.text = result; - break; - - case 'scope': - result += formatScope_(body); - result += '\n'; - var scope_object_value = response.lookup(body.object.ref); - result += formatObject_(scope_object_value, true); - details.text = result; - break; - - case 'evaluate': - case 'lookup': - if (last_cmd == 'p' || last_cmd == 'print') { - result = body.text; - } else { - var value; - if (lookup_handle) { - value = response.bodyValue(lookup_handle); - } else { - value = response.bodyValue(); - } - if (value.isObject()) { - result += formatObject_(value, true); - } else { - result += 'type: '; - result += value.type(); - if (!value.isUndefined() && !value.isNull()) { - result += ', '; - if (value.isString()) { - result += '"'; - } - result += value.value(); - if (value.isString()) { - result += '"'; - } - } - result += '\n'; - } - } - details.text = result; - break; - - case 'references': - var count = body.length; - result += 'found ' + count + ' objects'; - result += '\n'; - for (var i = 0; i < count; i++) { - var value = response.bodyValue(i); - result += formatObject_(value, false); - result += '\n'; - } - details.text = result; - break; - - case 'source': - // Get the source from the response. - var source = body.source; - var from_line = body.fromLine + 1; - var lines = source.split('\n'); - var maxdigits = 1 + Math.floor(log10(from_line + lines.length)); - if (maxdigits < 3) { - maxdigits = 3; - } - var result = ''; - for (var num = 0; num < lines.length; num++) { - // Check if there's an extra newline at the end. - if (num == (lines.length - 1) && lines[num].length == 0) { - break; - } - - var current_line = from_line + num; - spacer = maxdigits - (1 + Math.floor(log10(current_line))); - if (current_line == Debug.State.currentSourceLine + 1) { - for (var i = 0; i < maxdigits; i++) { - result += '>'; - } - result += ' '; - } else { - for (var i = 0; i < spacer; i++) { - result += ' '; - } - result += current_line + ': '; - } - result += lines[num]; - result += '\n'; - } - details.text = result; - break; - - case 'scripts': - var result = ''; - for (i = 0; i < body.length; i++) { - if (i != 0) result += '\n'; - if (body[i].id) { - result += body[i].id; - } else { - result += '[no id]'; - } - result += ', '; - if (body[i].name) { - result += body[i].name; - } else { - if (body[i].compilationType == Debug.ScriptCompilationType.Eval) { - result += 'eval from '; - var script_value = response.lookup(body[i].evalFromScript.ref); - result += ' ' + script_value.field('name'); - result += ':' + (body[i].evalFromLocation.line + 1); - result += ':' + body[i].evalFromLocation.column; - } else if (body[i].compilationType == - Debug.ScriptCompilationType.JSON) { - result += 'JSON '; - } else { // body[i].compilation == Debug.ScriptCompilationType.Host - result += '[unnamed] '; - } - } - result += ' (lines: '; - result += body[i].lineCount; - result += ', length: '; - result += body[i].sourceLength; - if (body[i].type == Debug.ScriptType.Native) { - result += ', native'; - } else if (body[i].type == Debug.ScriptType.Extension) { - result += ', extension'; - } - result += '), ['; - var sourceStart = body[i].sourceStart; - if (sourceStart.length > 40) { - sourceStart = sourceStart.substring(0, 37) + '...'; - } - result += sourceStart; - result += ']'; - } - details.text = result; - break; - - case 'threads': - var result = 'Active V8 threads: ' + body.totalThreads + '\n'; - body.threads.sort(function(a, b) { return a.id - b.id; }); - for (i = 0; i < body.threads.length; i++) { - result += body.threads[i].current ? '*' : ' '; - result += ' '; - result += body.threads[i].id; - result += '\n'; - } - details.text = result; - break; - - case 'continue': - details.text = "(running)"; - break; - - default: - details.text = - 'Response for unknown command \'' + response.command + '\'' + - ' (' + json_response + ')'; - } - } catch (e) { - details.text = 'Error: "' + e + '" formatting response'; - } - - return details; -}; - - -/** - * Protocol packages send from the debugger. - * @param {string} json - raw protocol packet as JSON string. - * @constructor - */ -function ProtocolPackage(json) { - this.packet_ = JSON.parse(json); - this.refs_ = []; - if (this.packet_.refs) { - for (var i = 0; i < this.packet_.refs.length; i++) { - this.refs_[this.packet_.refs[i].handle] = this.packet_.refs[i]; - } - } -} - - -/** - * Get the packet type. - * @return {String} the packet type - */ -ProtocolPackage.prototype.type = function() { - return this.packet_.type; -} - - -/** - * Get the packet event. - * @return {Object} the packet event - */ -ProtocolPackage.prototype.event = function() { - return this.packet_.event; -} - - -/** - * Get the packet request sequence. - * @return {number} the packet request sequence - */ -ProtocolPackage.prototype.requestSeq = function() { - return this.packet_.request_seq; -} - - -/** - * Get the packet request sequence. - * @return {number} the packet request sequence - */ -ProtocolPackage.prototype.running = function() { - return this.packet_.running ? true : false; -} - - -ProtocolPackage.prototype.success = function() { - return this.packet_.success ? true : false; -} - - -ProtocolPackage.prototype.message = function() { - return this.packet_.message; -} - - -ProtocolPackage.prototype.command = function() { - return this.packet_.command; -} - - -ProtocolPackage.prototype.body = function() { - return this.packet_.body; -} - - -ProtocolPackage.prototype.bodyValue = function(index) { - if (index != null) { - return new ProtocolValue(this.packet_.body[index], this); - } else { - return new ProtocolValue(this.packet_.body, this); - } -} - - -ProtocolPackage.prototype.body = function() { - return this.packet_.body; -} - - -ProtocolPackage.prototype.lookup = function(handle) { - var value = this.refs_[handle]; - if (value) { - return new ProtocolValue(value, this); - } else { - return new ProtocolReference(handle); - } -} - - -function ProtocolValue(value, packet) { - this.value_ = value; - this.packet_ = packet; -} - - -/** - * Get the value type. - * @return {String} the value type - */ -ProtocolValue.prototype.type = function() { - return this.value_.type; -} - - -/** - * Get a metadata field from a protocol value. - * @return {Object} the metadata field value - */ -ProtocolValue.prototype.field = function(name) { - return this.value_[name]; -} - - -/** - * Check is the value is a primitive value. - * @return {boolean} true if the value is primitive - */ -ProtocolValue.prototype.isPrimitive = function() { - return this.isUndefined() || this.isNull() || this.isBoolean() || - this.isNumber() || this.isString(); -} - - -/** - * Get the object handle. - * @return {number} the value handle - */ -ProtocolValue.prototype.handle = function() { - return this.value_.handle; -} - - -/** - * Check is the value is undefined. - * @return {boolean} true if the value is undefined - */ -ProtocolValue.prototype.isUndefined = function() { - return this.value_.type == 'undefined'; -} - - -/** - * Check is the value is null. - * @return {boolean} true if the value is null - */ -ProtocolValue.prototype.isNull = function() { - return this.value_.type == 'null'; -} - - -/** - * Check is the value is a boolean. - * @return {boolean} true if the value is a boolean - */ -ProtocolValue.prototype.isBoolean = function() { - return this.value_.type == 'boolean'; -} - - -/** - * Check is the value is a number. - * @return {boolean} true if the value is a number - */ -ProtocolValue.prototype.isNumber = function() { - return this.value_.type == 'number'; -} - - -/** - * Check is the value is a string. - * @return {boolean} true if the value is a string - */ -ProtocolValue.prototype.isString = function() { - return this.value_.type == 'string'; -} - - -/** - * Check is the value is an object. - * @return {boolean} true if the value is an object - */ -ProtocolValue.prototype.isObject = function() { - return this.value_.type == 'object' || this.value_.type == 'function' || - this.value_.type == 'error' || this.value_.type == 'regexp'; -} - - -/** - * Get the constructor function - * @return {ProtocolValue} constructor function - */ -ProtocolValue.prototype.constructorFunctionValue = function() { - var ctor = this.value_.constructorFunction; - return this.packet_.lookup(ctor.ref); -} - - -/** - * Get the __proto__ value - * @return {ProtocolValue} __proto__ value - */ -ProtocolValue.prototype.protoObjectValue = function() { - var proto = this.value_.protoObject; - return this.packet_.lookup(proto.ref); -} - - -/** - * Get the number og properties. - * @return {number} the number of properties - */ -ProtocolValue.prototype.propertyCount = function() { - return this.value_.properties ? this.value_.properties.length : 0; -} - - -/** - * Get the specified property name. - * @return {string} property name - */ -ProtocolValue.prototype.propertyName = function(index) { - var property = this.value_.properties[index]; - return property.name; -} - - -/** - * Return index for the property name. - * @param name The property name to look for - * @return {number} index for the property name - */ -ProtocolValue.prototype.propertyIndex = function(name) { - for (var i = 0; i < this.propertyCount(); i++) { - if (this.value_.properties[i].name == name) { - return i; - } - } - return null; -} - - -/** - * Get the specified property value. - * @return {ProtocolValue} property value - */ -ProtocolValue.prototype.propertyValue = function(index) { - var property = this.value_.properties[index]; - return this.packet_.lookup(property.ref); -} - - -/** - * Check is the value is a string. - * @return {boolean} true if the value is a string - */ -ProtocolValue.prototype.value = function() { - return this.value_.value; -} - - -function ProtocolReference(handle) { - this.handle_ = handle; -} - - -ProtocolReference.prototype.handle = function() { - return this.handle_; -} - - -function MakeJSONPair_(name, value) { - return '"' + name + '":' + value; -} - - -function ArrayToJSONObject_(content) { - return '{' + content.join(',') + '}'; -} - - -function ArrayToJSONArray_(content) { - return '[' + content.join(',') + ']'; -} - - -function BooleanToJSON_(value) { - return String(value); -} - - -function NumberToJSON_(value) { - return String(value); -} - - -// Mapping of some control characters to avoid the \uXXXX syntax for most -// commonly used control cahracters. -const ctrlCharMap_ = { - '\b': '\\b', - '\t': '\\t', - '\n': '\\n', - '\f': '\\f', - '\r': '\\r', - '"' : '\\"', - '\\': '\\\\' -}; - - -// Regular expression testing for ", \ and control characters (0x00 - 0x1F). -const ctrlCharTest_ = new RegExp('["\\\\\x00-\x1F]'); - - -// Regular expression matching ", \ and control characters (0x00 - 0x1F) -// globally. -const ctrlCharMatch_ = new RegExp('["\\\\\x00-\x1F]', 'g'); - - -/** - * Convert a String to its JSON representation (see http://www.json.org/). To - * avoid depending on the String object this method calls the functions in - * string.js directly and not through the value. - * @param {String} value The String value to format as JSON - * @return {string} JSON formatted String value - */ -function StringToJSON_(value) { - // Check for" , \ and control characters (0x00 - 0x1F). No need to call - // RegExpTest as ctrlchar is constructed using RegExp. - if (ctrlCharTest_.test(value)) { - // Replace ", \ and control characters (0x00 - 0x1F). - return '"' + - value.replace(ctrlCharMatch_, function (char) { - // Use charmap if possible. - var mapped = ctrlCharMap_[char]; - if (mapped) return mapped; - mapped = char.charCodeAt(); - // Convert control character to unicode escape sequence. - return '\\u00' + - '0' + // TODO %NumberToRadixString(Math.floor(mapped / 16), 16) + - '0' // TODO %NumberToRadixString(mapped % 16, 16); - }) - + '"'; - } - - // Simple string with no special characters. - return '"' + value + '"'; -} - - -/** - * Convert a Date to ISO 8601 format. To avoid depending on the Date object - * this method calls the functions in date.js directly and not through the - * value. - * @param {Date} value The Date value to format as JSON - * @return {string} JSON formatted Date value - */ -function DateToISO8601_(value) { - function f(n) { - return n < 10 ? '0' + n : n; - } - function g(n) { - return n < 10 ? '00' + n : n < 100 ? '0' + n : n; - } - return builtins.GetUTCFullYearFrom(value) + '-' + - f(builtins.GetUTCMonthFrom(value) + 1) + '-' + - f(builtins.GetUTCDateFrom(value)) + 'T' + - f(builtins.GetUTCHoursFrom(value)) + ':' + - f(builtins.GetUTCMinutesFrom(value)) + ':' + - f(builtins.GetUTCSecondsFrom(value)) + '.' + - g(builtins.GetUTCMillisecondsFrom(value)) + 'Z'; -} - - -/** - * Convert a Date to ISO 8601 format. To avoid depending on the Date object - * this method calls the functions in date.js directly and not through the - * value. - * @param {Date} value The Date value to format as JSON - * @return {string} JSON formatted Date value - */ -function DateToJSON_(value) { - return '"' + DateToISO8601_(value) + '"'; -} - - -/** - * Convert an Object to its JSON representation (see http://www.json.org/). - * This implementation simply runs through all string property names and adds - * each property to the JSON representation for some predefined types. For type - * "object" the function calls itself recursively unless the object has the - * function property "toJSONProtocol" in which case that is used. This is not - * a general implementation but sufficient for the debugger. Note that circular - * structures will cause infinite recursion. - * @param {Object} object The object to format as JSON - * @return {string} JSON formatted object value - */ -function SimpleObjectToJSON_(object) { - var content = []; - for (var key in object) { - // Only consider string keys. - if (typeof key == 'string') { - var property_value = object[key]; - - // Format the value based on its type. - var property_value_json; - switch (typeof property_value) { - case 'object': - if (typeof property_value.toJSONProtocol == 'function') { - property_value_json = property_value.toJSONProtocol(true) - } else if (property_value.constructor.name == 'Array'){ - property_value_json = SimpleArrayToJSON_(property_value); - } else { - property_value_json = SimpleObjectToJSON_(property_value); - } - break; - - case 'boolean': - property_value_json = BooleanToJSON_(property_value); - break; - - case 'number': - property_value_json = NumberToJSON_(property_value); - break; - - case 'string': - property_value_json = StringToJSON_(property_value); - break; - - default: - property_value_json = null; - } - - // Add the property if relevant. - if (property_value_json) { - content.push(StringToJSON_(key) + ':' + property_value_json); - } - } - } - - // Make JSON object representation. - return '{' + content.join(',') + '}'; -} - - -/** - * Convert an array to its JSON representation. This is a VERY simple - * implementation just to support what is needed for the debugger. - * @param {Array} arrya The array to format as JSON - * @return {string} JSON formatted array value - */ -function SimpleArrayToJSON_(array) { - // Make JSON array representation. - var json = '['; - for (var i = 0; i < array.length; i++) { - if (i != 0) { - json += ','; - } - var elem = array[i]; - if (elem.toJSONProtocol) { - json += elem.toJSONProtocol(true) - } else if (typeof(elem) === 'object') { - json += SimpleObjectToJSON_(elem); - } else if (typeof(elem) === 'boolean') { - json += BooleanToJSON_(elem); - } else if (typeof(elem) === 'number') { - json += NumberToJSON_(elem); - } else if (typeof(elem) === 'string') { - json += StringToJSON_(elem); - } else { - json += elem; - } - } - json += ']'; - return json; -} |