| // Copyright 2006-2012 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| (function(global, utils) { |
| "use strict"; |
| |
| // ---------------------------------------------------------------------------- |
| // Imports |
| |
| var ErrorToString; |
| var GlobalArray = global.Array; |
| var IsNaN = global.isNaN; |
| var JSONStringify = global.JSON.stringify; |
| var MakeError; |
| var MapEntries; |
| var MapIteratorNext; |
| var MathMin = global.Math.min; |
| var promiseStateSymbol = utils.ImportNow("promise_state_symbol"); |
| var promiseResultSymbol = utils.ImportNow("promise_result_symbol"); |
| var SetIteratorNext; |
| var SetValues; |
| var SymbolToString; |
| |
| utils.Import(function(from) { |
| ErrorToString = from.ErrorToString; |
| MakeError = from.MakeError; |
| MapEntries = from.MapEntries; |
| MapIteratorNext = from.MapIteratorNext; |
| SetIteratorNext = from.SetIteratorNext; |
| SetValues = from.SetValues; |
| SymbolToString = from.SymbolToString; |
| }); |
| |
| // ---------------------------------------------------------------------------- |
| |
| // Mirror hierarchy: |
| // - Mirror |
| // - ValueMirror |
| // - UndefinedMirror |
| // - NullMirror |
| // - BooleanMirror |
| // - NumberMirror |
| // - StringMirror |
| // - SymbolMirror |
| // - ObjectMirror |
| // - FunctionMirror |
| // - UnresolvedFunctionMirror |
| // - ArrayMirror |
| // - DateMirror |
| // - RegExpMirror |
| // - ErrorMirror |
| // - PromiseMirror |
| // - MapMirror |
| // - SetMirror |
| // - IteratorMirror |
| // - GeneratorMirror |
| // - PropertyMirror |
| // - InternalPropertyMirror |
| // - FrameMirror |
| // - ScriptMirror |
| // - ScopeMirror |
| |
| // Type names of the different mirrors. |
| var MirrorType = { |
| UNDEFINED_TYPE : 'undefined', |
| NULL_TYPE : 'null', |
| BOOLEAN_TYPE : 'boolean', |
| NUMBER_TYPE : 'number', |
| STRING_TYPE : 'string', |
| SYMBOL_TYPE : 'symbol', |
| OBJECT_TYPE : 'object', |
| FUNCTION_TYPE : 'function', |
| REGEXP_TYPE : 'regexp', |
| ERROR_TYPE : 'error', |
| PROPERTY_TYPE : 'property', |
| INTERNAL_PROPERTY_TYPE : 'internalProperty', |
| FRAME_TYPE : 'frame', |
| SCRIPT_TYPE : 'script', |
| CONTEXT_TYPE : 'context', |
| SCOPE_TYPE : 'scope', |
| PROMISE_TYPE : 'promise', |
| MAP_TYPE : 'map', |
| SET_TYPE : 'set', |
| ITERATOR_TYPE : 'iterator', |
| GENERATOR_TYPE : 'generator', |
| } |
| |
| |
| // Handle id counters. |
| var next_handle_ = 0; |
| var next_transient_handle_ = -1; |
| |
| // Mirror cache. |
| var mirror_cache_ = []; |
| var mirror_cache_enabled_ = true; |
| |
| |
| function MirrorCacheIsEmpty() { |
| return next_handle_ == 0 && mirror_cache_.length == 0; |
| } |
| |
| |
| function ToggleMirrorCache(value) { |
| mirror_cache_enabled_ = value; |
| ClearMirrorCache(); |
| } |
| |
| |
| function ClearMirrorCache(value) { |
| next_handle_ = 0; |
| mirror_cache_ = []; |
| } |
| |
| |
| function ObjectIsPromise(value) { |
| return IS_RECEIVER(value) && |
| !IS_UNDEFINED(%DebugGetProperty(value, promiseStateSymbol)); |
| } |
| |
| |
| /** |
| * Returns the mirror for a specified value or object. |
| * |
| * @param {value or Object} value the value or object to retreive the mirror for |
| * @param {boolean} transient indicate whether this object is transient and |
| * should not be added to the mirror cache. The default is not transient. |
| * @returns {Mirror} the mirror reflects the passed value or object |
| */ |
| function MakeMirror(value, opt_transient) { |
| var mirror; |
| |
| // Look for non transient mirrors in the mirror cache. |
| if (!opt_transient && mirror_cache_enabled_) { |
| for (var id in mirror_cache_) { |
| mirror = mirror_cache_[id]; |
| if (mirror.value() === value) { |
| return mirror; |
| } |
| // Special check for NaN as NaN == NaN is false. |
| if (mirror.isNumber() && IsNaN(mirror.value()) && |
| typeof value == 'number' && IsNaN(value)) { |
| return mirror; |
| } |
| } |
| } |
| |
| if (IS_UNDEFINED(value)) { |
| mirror = new UndefinedMirror(); |
| } else if (IS_NULL(value)) { |
| mirror = new NullMirror(); |
| } else if (IS_BOOLEAN(value)) { |
| mirror = new BooleanMirror(value); |
| } else if (IS_NUMBER(value)) { |
| mirror = new NumberMirror(value); |
| } else if (IS_STRING(value)) { |
| mirror = new StringMirror(value); |
| } else if (IS_SYMBOL(value)) { |
| mirror = new SymbolMirror(value); |
| } else if (IS_ARRAY(value)) { |
| mirror = new ArrayMirror(value); |
| } else if (IS_DATE(value)) { |
| mirror = new DateMirror(value); |
| } else if (IS_FUNCTION(value)) { |
| mirror = new FunctionMirror(value); |
| } else if (IS_REGEXP(value)) { |
| mirror = new RegExpMirror(value); |
| } else if (IS_ERROR(value)) { |
| mirror = new ErrorMirror(value); |
| } else if (IS_SCRIPT(value)) { |
| mirror = new ScriptMirror(value); |
| } else if (IS_MAP(value) || IS_WEAKMAP(value)) { |
| mirror = new MapMirror(value); |
| } else if (IS_SET(value) || IS_WEAKSET(value)) { |
| mirror = new SetMirror(value); |
| } else if (IS_MAP_ITERATOR(value) || IS_SET_ITERATOR(value)) { |
| mirror = new IteratorMirror(value); |
| } else if (ObjectIsPromise(value)) { |
| mirror = new PromiseMirror(value); |
| } else if (IS_GENERATOR(value)) { |
| mirror = new GeneratorMirror(value); |
| } else { |
| mirror = new ObjectMirror(value, MirrorType.OBJECT_TYPE, opt_transient); |
| } |
| |
| if (mirror_cache_enabled_) mirror_cache_[mirror.handle()] = mirror; |
| return mirror; |
| } |
| |
| |
| /** |
| * Returns the mirror for a specified mirror handle. |
| * |
| * @param {number} handle the handle to find the mirror for |
| * @returns {Mirror or undefiend} the mirror with the requested handle or |
| * undefined if no mirror with the requested handle was found |
| */ |
| function LookupMirror(handle) { |
| if (!mirror_cache_enabled_) { |
| throw MakeError(kDebugger, "Mirror cache is disabled"); |
| } |
| return mirror_cache_[handle]; |
| } |
| |
| |
| /** |
| * Returns the mirror for the undefined value. |
| * |
| * @returns {Mirror} the mirror reflects the undefined value |
| */ |
| function GetUndefinedMirror() { |
| return MakeMirror(UNDEFINED); |
| } |
| |
| |
| /** |
| * Inherit the prototype methods from one constructor into another. |
| * |
| * The Function.prototype.inherits from lang.js rewritten as a standalone |
| * function (not on Function.prototype). NOTE: If this file is to be loaded |
| * during bootstrapping this function needs to be revritten using some native |
| * functions as prototype setup using normal JavaScript does not work as |
| * expected during bootstrapping (see mirror.js in r114903). |
| * |
| * @param {function} ctor Constructor function which needs to inherit the |
| * prototype |
| * @param {function} superCtor Constructor function to inherit prototype from |
| */ |
| function inherits(ctor, superCtor) { |
| var tempCtor = function(){}; |
| tempCtor.prototype = superCtor.prototype; |
| ctor.super_ = superCtor.prototype; |
| ctor.prototype = new tempCtor(); |
| ctor.prototype.constructor = ctor; |
| } |
| |
| // Maximum length when sending strings through the JSON protocol. |
| var kMaxProtocolStringLength = 80; |
| |
| |
| // A copy of the PropertyType enum from property-details.h |
| var PropertyType = {}; |
| PropertyType.Data = 0; |
| PropertyType.DataConstant = 2; |
| PropertyType.AccessorConstant = 3; |
| |
| |
| // Different attributes for a property. |
| var PropertyAttribute = {}; |
| PropertyAttribute.None = NONE; |
| PropertyAttribute.ReadOnly = READ_ONLY; |
| PropertyAttribute.DontEnum = DONT_ENUM; |
| PropertyAttribute.DontDelete = DONT_DELETE; |
| |
| |
| // A copy of the scope types from runtime-debug.cc. |
| // NOTE: these constants should be backward-compatible, so |
| // add new ones to the end of this list. |
| var ScopeType = { Global: 0, |
| Local: 1, |
| With: 2, |
| Closure: 3, |
| Catch: 4, |
| Block: 5, |
| Script: 6, |
| Eval: 7, |
| }; |
| |
| /** |
| * Base class for all mirror objects. |
| * @param {string} type The type of the mirror |
| * @constructor |
| */ |
| function Mirror(type) { |
| this.type_ = type; |
| } |
| |
| |
| Mirror.prototype.type = function() { |
| return this.type_; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a value. |
| * @returns {boolean} True if the mirror reflects a value. |
| */ |
| Mirror.prototype.isValue = function() { |
| return this instanceof ValueMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects the undefined value. |
| * @returns {boolean} True if the mirror reflects the undefined value. |
| */ |
| Mirror.prototype.isUndefined = function() { |
| return this instanceof UndefinedMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects the null value. |
| * @returns {boolean} True if the mirror reflects the null value |
| */ |
| Mirror.prototype.isNull = function() { |
| return this instanceof NullMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a boolean value. |
| * @returns {boolean} True if the mirror reflects a boolean value |
| */ |
| Mirror.prototype.isBoolean = function() { |
| return this instanceof BooleanMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a number value. |
| * @returns {boolean} True if the mirror reflects a number value |
| */ |
| Mirror.prototype.isNumber = function() { |
| return this instanceof NumberMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a string value. |
| * @returns {boolean} True if the mirror reflects a string value |
| */ |
| Mirror.prototype.isString = function() { |
| return this instanceof StringMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a symbol. |
| * @returns {boolean} True if the mirror reflects a symbol |
| */ |
| Mirror.prototype.isSymbol = function() { |
| return this instanceof SymbolMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects an object. |
| * @returns {boolean} True if the mirror reflects an object |
| */ |
| Mirror.prototype.isObject = function() { |
| return this instanceof ObjectMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a function. |
| * @returns {boolean} True if the mirror reflects a function |
| */ |
| Mirror.prototype.isFunction = function() { |
| return this instanceof FunctionMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects an unresolved function. |
| * @returns {boolean} True if the mirror reflects an unresolved function |
| */ |
| Mirror.prototype.isUnresolvedFunction = function() { |
| return this instanceof UnresolvedFunctionMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects an array. |
| * @returns {boolean} True if the mirror reflects an array |
| */ |
| Mirror.prototype.isArray = function() { |
| return this instanceof ArrayMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a date. |
| * @returns {boolean} True if the mirror reflects a date |
| */ |
| Mirror.prototype.isDate = function() { |
| return this instanceof DateMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a regular expression. |
| * @returns {boolean} True if the mirror reflects a regular expression |
| */ |
| Mirror.prototype.isRegExp = function() { |
| return this instanceof RegExpMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects an error. |
| * @returns {boolean} True if the mirror reflects an error |
| */ |
| Mirror.prototype.isError = function() { |
| return this instanceof ErrorMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a promise. |
| * @returns {boolean} True if the mirror reflects a promise |
| */ |
| Mirror.prototype.isPromise = function() { |
| return this instanceof PromiseMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a generator object. |
| * @returns {boolean} True if the mirror reflects a generator object |
| */ |
| Mirror.prototype.isGenerator = function() { |
| return this instanceof GeneratorMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a property. |
| * @returns {boolean} True if the mirror reflects a property |
| */ |
| Mirror.prototype.isProperty = function() { |
| return this instanceof PropertyMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects an internal property. |
| * @returns {boolean} True if the mirror reflects an internal property |
| */ |
| Mirror.prototype.isInternalProperty = function() { |
| return this instanceof InternalPropertyMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a stack frame. |
| * @returns {boolean} True if the mirror reflects a stack frame |
| */ |
| Mirror.prototype.isFrame = function() { |
| return this instanceof FrameMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a script. |
| * @returns {boolean} True if the mirror reflects a script |
| */ |
| Mirror.prototype.isScript = function() { |
| return this instanceof ScriptMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a context. |
| * @returns {boolean} True if the mirror reflects a context |
| */ |
| Mirror.prototype.isContext = function() { |
| return this instanceof ContextMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a scope. |
| * @returns {boolean} True if the mirror reflects a scope |
| */ |
| Mirror.prototype.isScope = function() { |
| return this instanceof ScopeMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a map. |
| * @returns {boolean} True if the mirror reflects a map |
| */ |
| Mirror.prototype.isMap = function() { |
| return this instanceof MapMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects a set. |
| * @returns {boolean} True if the mirror reflects a set |
| */ |
| Mirror.prototype.isSet = function() { |
| return this instanceof SetMirror; |
| }; |
| |
| |
| /** |
| * Check whether the mirror reflects an iterator. |
| * @returns {boolean} True if the mirror reflects an iterator |
| */ |
| Mirror.prototype.isIterator = function() { |
| return this instanceof IteratorMirror; |
| }; |
| |
| |
| /** |
| * Allocate a handle id for this object. |
| */ |
| Mirror.prototype.allocateHandle_ = function() { |
| if (mirror_cache_enabled_) this.handle_ = next_handle_++; |
| }; |
| |
| |
| /** |
| * Allocate a transient handle id for this object. Transient handles are |
| * negative. |
| */ |
| Mirror.prototype.allocateTransientHandle_ = function() { |
| this.handle_ = next_transient_handle_--; |
| }; |
| |
| |
| Mirror.prototype.toText = function() { |
| // Simpel to text which is used when on specialization in subclass. |
| return "#<" + this.constructor.name + ">"; |
| }; |
| |
| |
| /** |
| * Base class for all value mirror objects. |
| * @param {string} type The type of the mirror |
| * @param {value} value The value reflected by this mirror |
| * @param {boolean} transient indicate whether this object is transient with a |
| * transient handle |
| * @constructor |
| * @extends Mirror |
| */ |
| function ValueMirror(type, value, transient) { |
| %_Call(Mirror, this, type); |
| this.value_ = value; |
| if (!transient) { |
| this.allocateHandle_(); |
| } else { |
| this.allocateTransientHandle_(); |
| } |
| } |
| inherits(ValueMirror, Mirror); |
| |
| |
| Mirror.prototype.handle = function() { |
| return this.handle_; |
| }; |
| |
| |
| /** |
| * Check whether this is a primitive value. |
| * @return {boolean} True if the mirror reflects a primitive value |
| */ |
| ValueMirror.prototype.isPrimitive = function() { |
| var type = this.type(); |
| return type === 'undefined' || |
| type === 'null' || |
| type === 'boolean' || |
| type === 'number' || |
| type === 'string' || |
| type === 'symbol'; |
| }; |
| |
| |
| /** |
| * Get the actual value reflected by this mirror. |
| * @return {value} The value reflected by this mirror |
| */ |
| ValueMirror.prototype.value = function() { |
| return this.value_; |
| }; |
| |
| |
| /** |
| * Mirror object for Undefined. |
| * @constructor |
| * @extends ValueMirror |
| */ |
| function UndefinedMirror() { |
| %_Call(ValueMirror, this, MirrorType.UNDEFINED_TYPE, UNDEFINED); |
| } |
| inherits(UndefinedMirror, ValueMirror); |
| |
| |
| UndefinedMirror.prototype.toText = function() { |
| return 'undefined'; |
| }; |
| |
| |
| /** |
| * Mirror object for null. |
| * @constructor |
| * @extends ValueMirror |
| */ |
| function NullMirror() { |
| %_Call(ValueMirror, this, MirrorType.NULL_TYPE, null); |
| } |
| inherits(NullMirror, ValueMirror); |
| |
| |
| NullMirror.prototype.toText = function() { |
| return 'null'; |
| }; |
| |
| |
| /** |
| * Mirror object for boolean values. |
| * @param {boolean} value The boolean value reflected by this mirror |
| * @constructor |
| * @extends ValueMirror |
| */ |
| function BooleanMirror(value) { |
| %_Call(ValueMirror, this, MirrorType.BOOLEAN_TYPE, value); |
| } |
| inherits(BooleanMirror, ValueMirror); |
| |
| |
| BooleanMirror.prototype.toText = function() { |
| return this.value_ ? 'true' : 'false'; |
| }; |
| |
| |
| /** |
| * Mirror object for number values. |
| * @param {number} value The number value reflected by this mirror |
| * @constructor |
| * @extends ValueMirror |
| */ |
| function NumberMirror(value) { |
| %_Call(ValueMirror, this, MirrorType.NUMBER_TYPE, value); |
| } |
| inherits(NumberMirror, ValueMirror); |
| |
| |
| NumberMirror.prototype.toText = function() { |
| return %_NumberToString(this.value_); |
| }; |
| |
| |
| /** |
| * Mirror object for string values. |
| * @param {string} value The string value reflected by this mirror |
| * @constructor |
| * @extends ValueMirror |
| */ |
| function StringMirror(value) { |
| %_Call(ValueMirror, this, MirrorType.STRING_TYPE, value); |
| } |
| inherits(StringMirror, ValueMirror); |
| |
| |
| StringMirror.prototype.length = function() { |
| return this.value_.length; |
| }; |
| |
| StringMirror.prototype.getTruncatedValue = function(maxLength) { |
| if (maxLength != -1 && this.length() > maxLength) { |
| return this.value_.substring(0, maxLength) + |
| '... (length: ' + this.length() + ')'; |
| } |
| return this.value_; |
| }; |
| |
| StringMirror.prototype.toText = function() { |
| return this.getTruncatedValue(kMaxProtocolStringLength); |
| }; |
| |
| |
| /** |
| * Mirror object for a Symbol |
| * @param {Object} value The Symbol |
| * @constructor |
| * @extends Mirror |
| */ |
| function SymbolMirror(value) { |
| %_Call(ValueMirror, this, MirrorType.SYMBOL_TYPE, value); |
| } |
| inherits(SymbolMirror, ValueMirror); |
| |
| |
| SymbolMirror.prototype.description = function() { |
| return %SymbolDescription(%_ValueOf(this.value_)); |
| } |
| |
| |
| SymbolMirror.prototype.toText = function() { |
| return %_Call(SymbolToString, this.value_); |
| } |
| |
| |
| /** |
| * Mirror object for objects. |
| * @param {object} value The object reflected by this mirror |
| * @param {boolean} transient indicate whether this object is transient with a |
| * transient handle |
| * @constructor |
| * @extends ValueMirror |
| */ |
| function ObjectMirror(value, type, transient) { |
| type = type || MirrorType.OBJECT_TYPE; |
| %_Call(ValueMirror, this, type, value, transient); |
| } |
| inherits(ObjectMirror, ValueMirror); |
| |
| |
| ObjectMirror.prototype.className = function() { |
| return %_ClassOf(this.value_); |
| }; |
| |
| |
| ObjectMirror.prototype.constructorFunction = function() { |
| return MakeMirror(%DebugGetProperty(this.value_, 'constructor')); |
| }; |
| |
| |
| ObjectMirror.prototype.prototypeObject = function() { |
| return MakeMirror(%DebugGetProperty(this.value_, 'prototype')); |
| }; |
| |
| |
| ObjectMirror.prototype.protoObject = function() { |
| return MakeMirror(%DebugGetPrototype(this.value_)); |
| }; |
| |
| |
| ObjectMirror.prototype.hasNamedInterceptor = function() { |
| // Get information on interceptors for this object. |
| var x = %GetInterceptorInfo(this.value_); |
| return (x & 2) != 0; |
| }; |
| |
| |
| ObjectMirror.prototype.hasIndexedInterceptor = function() { |
| // Get information on interceptors for this object. |
| var x = %GetInterceptorInfo(this.value_); |
| return (x & 1) != 0; |
| }; |
| |
| |
| /** |
| * Return the property names for this object. |
| * @param {number} kind Indicate whether named, indexed or both kinds of |
| * properties are requested |
| * @param {number} limit Limit the number of names returend to the specified |
| value |
| * @return {Array} Property names for this object |
| */ |
| ObjectMirror.prototype.propertyNames = function() { |
| return %GetOwnPropertyKeys(this.value_, PROPERTY_FILTER_NONE); |
| }; |
| |
| |
| /** |
| * Return the properties for this object as an array of PropertyMirror objects. |
| * @param {number} kind Indicate whether named, indexed or both kinds of |
| * properties are requested |
| * @param {number} limit Limit the number of properties returned to the |
| specified value |
| * @return {Array} Property mirrors for this object |
| */ |
| ObjectMirror.prototype.properties = function() { |
| var names = this.propertyNames(); |
| var properties = new GlobalArray(names.length); |
| for (var i = 0; i < names.length; i++) { |
| properties[i] = this.property(names[i]); |
| } |
| |
| return properties; |
| }; |
| |
| |
| /** |
| * Return the internal properties for this object as an array of |
| * InternalPropertyMirror objects. |
| * @return {Array} Property mirrors for this object |
| */ |
| ObjectMirror.prototype.internalProperties = function() { |
| return ObjectMirror.GetInternalProperties(this.value_); |
| } |
| |
| |
| ObjectMirror.prototype.property = function(name) { |
| var details = %DebugGetPropertyDetails(this.value_, TO_NAME(name)); |
| if (details) { |
| return new PropertyMirror(this, name, details); |
| } |
| |
| // Nothing found. |
| return GetUndefinedMirror(); |
| }; |
| |
| |
| |
| /** |
| * Try to find a property from its value. |
| * @param {Mirror} value The property value to look for |
| * @return {PropertyMirror} The property with the specified value. If no |
| * property was found with the specified value UndefinedMirror is returned |
| */ |
| ObjectMirror.prototype.lookupProperty = function(value) { |
| var properties = this.properties(); |
| |
| // Look for property value in properties. |
| for (var i = 0; i < properties.length; i++) { |
| |
| // Skip properties which are defined through accessors. |
| var property = properties[i]; |
| if (property.propertyType() != PropertyType.AccessorConstant) { |
| if (property.value_ === value.value_) { |
| return property; |
| } |
| } |
| } |
| |
| // Nothing found. |
| return GetUndefinedMirror(); |
| }; |
| |
| |
| /** |
| * Returns objects which has direct references to this object |
| * @param {number} opt_max_objects Optional parameter specifying the maximum |
| * number of referencing objects to return. |
| * @return {Array} The objects which has direct references to this object. |
| */ |
| ObjectMirror.prototype.referencedBy = function(opt_max_objects) { |
| // Find all objects with direct references to this object. |
| var result = %DebugReferencedBy(this.value_, |
| Mirror.prototype, opt_max_objects || 0); |
| |
| // Make mirrors for all the references found. |
| for (var i = 0; i < result.length; i++) { |
| result[i] = MakeMirror(result[i]); |
| } |
| |
| return result; |
| }; |
| |
| |
| ObjectMirror.prototype.toText = function() { |
| var name; |
| var ctor = this.constructorFunction(); |
| if (!ctor.isFunction()) { |
| name = this.className(); |
| } else { |
| name = ctor.name(); |
| if (!name) { |
| name = this.className(); |
| } |
| } |
| return '#<' + name + '>'; |
| }; |
| |
| |
| /** |
| * Return the internal properties of the value, such as [[PrimitiveValue]] of |
| * scalar wrapper objects, properties of the bound function and properties of |
| * the promise. |
| * This method is done static to be accessible from Debug API with the bare |
| * values without mirrors. |
| * @return {Array} array (possibly empty) of InternalProperty instances |
| */ |
| ObjectMirror.GetInternalProperties = function(value) { |
| var properties = %DebugGetInternalProperties(value); |
| var result = []; |
| for (var i = 0; i < properties.length; i += 2) { |
| result.push(new InternalPropertyMirror(properties[i], properties[i + 1])); |
| } |
| return result; |
| } |
| |
| |
| /** |
| * Mirror object for functions. |
| * @param {function} value The function object reflected by this mirror. |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function FunctionMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.FUNCTION_TYPE); |
| this.resolved_ = true; |
| } |
| inherits(FunctionMirror, ObjectMirror); |
| |
| |
| /** |
| * Returns whether the function is resolved. |
| * @return {boolean} True if the function is resolved. Unresolved functions can |
| * only originate as functions from stack frames |
| */ |
| FunctionMirror.prototype.resolved = function() { |
| return this.resolved_; |
| }; |
| |
| |
| /** |
| * Returns the name of the function. |
| * @return {string} Name of the function |
| */ |
| FunctionMirror.prototype.name = function() { |
| return %FunctionGetName(this.value_); |
| }; |
| |
| |
| /** |
| * Returns the displayName if it is set, otherwise name, otherwise inferred |
| * name. |
| * @return {string} Name of the function |
| */ |
| FunctionMirror.prototype.debugName = function() { |
| return %FunctionGetDebugName(this.value_); |
| } |
| |
| |
| /** |
| * Returns the inferred name of the function. |
| * @return {string} Name of the function |
| */ |
| FunctionMirror.prototype.inferredName = function() { |
| return %FunctionGetInferredName(this.value_); |
| }; |
| |
| |
| /** |
| * Returns the source code for the function. |
| * @return {string or undefined} The source code for the function. If the |
| * function is not resolved undefined will be returned. |
| */ |
| FunctionMirror.prototype.source = function() { |
| // Return source if function is resolved. Otherwise just fall through to |
| // return undefined. |
| if (this.resolved()) { |
| return %FunctionToString(this.value_); |
| } |
| }; |
| |
| |
| /** |
| * Returns the script object for the function. |
| * @return {ScriptMirror or undefined} Script object for the function or |
| * undefined if the function has no script |
| */ |
| FunctionMirror.prototype.script = function() { |
| // Return script if function is resolved. Otherwise just fall through |
| // to return undefined. |
| if (this.resolved()) { |
| if (this.script_) { |
| return this.script_; |
| } |
| var script = %FunctionGetScript(this.value_); |
| if (script) { |
| return this.script_ = MakeMirror(script); |
| } |
| } |
| }; |
| |
| |
| /** |
| * Returns the script source position for the function. Only makes sense |
| * for functions which has a script defined. |
| * @return {Number or undefined} in-script position for the function |
| */ |
| FunctionMirror.prototype.sourcePosition_ = function() { |
| // Return position if function is resolved. Otherwise just fall |
| // through to return undefined. |
| if (this.resolved()) { |
| return %FunctionGetScriptSourcePosition(this.value_); |
| } |
| }; |
| |
| |
| /** |
| * Returns the script source location object for the function. Only makes sense |
| * for functions which has a script defined. |
| * @return {Location or undefined} in-script location for the function begin |
| */ |
| FunctionMirror.prototype.sourceLocation = function() { |
| if (this.resolved()) { |
| var script = this.script(); |
| if (script) { |
| return script.locationFromPosition(this.sourcePosition_(), true); |
| } |
| } |
| }; |
| |
| |
| /** |
| * Returns objects constructed by this function. |
| * @param {number} opt_max_instances Optional parameter specifying the maximum |
| * number of instances to return. |
| * @return {Array or undefined} The objects constructed by this function. |
| */ |
| FunctionMirror.prototype.constructedBy = function(opt_max_instances) { |
| if (this.resolved()) { |
| // Find all objects constructed from this function. |
| var result = %DebugConstructedBy(this.value_, opt_max_instances || 0); |
| |
| // Make mirrors for all the instances found. |
| for (var i = 0; i < result.length; i++) { |
| result[i] = MakeMirror(result[i]); |
| } |
| |
| return result; |
| } else { |
| return []; |
| } |
| }; |
| |
| |
| FunctionMirror.prototype.scopeCount = function() { |
| if (this.resolved()) { |
| if (IS_UNDEFINED(this.scopeCount_)) { |
| this.scopeCount_ = %GetFunctionScopeCount(this.value()); |
| } |
| return this.scopeCount_; |
| } else { |
| return 0; |
| } |
| }; |
| |
| |
| FunctionMirror.prototype.scope = function(index) { |
| if (this.resolved()) { |
| return new ScopeMirror(UNDEFINED, this, index); |
| } |
| }; |
| |
| |
| FunctionMirror.prototype.toText = function() { |
| return this.source(); |
| }; |
| |
| |
| FunctionMirror.prototype.context = function() { |
| if (this.resolved()) { |
| if (!this._context) |
| this._context = new ContextMirror(%FunctionGetContextData(this.value_)); |
| return this._context; |
| } |
| }; |
| |
| |
| /** |
| * Mirror object for unresolved functions. |
| * @param {string} value The name for the unresolved function reflected by this |
| * mirror. |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function UnresolvedFunctionMirror(value) { |
| // Construct this using the ValueMirror as an unresolved function is not a |
| // real object but just a string. |
| %_Call(ValueMirror, this, MirrorType.FUNCTION_TYPE, value); |
| this.propertyCount_ = 0; |
| this.elementCount_ = 0; |
| this.resolved_ = false; |
| } |
| inherits(UnresolvedFunctionMirror, FunctionMirror); |
| |
| |
| UnresolvedFunctionMirror.prototype.className = function() { |
| return 'Function'; |
| }; |
| |
| |
| UnresolvedFunctionMirror.prototype.constructorFunction = function() { |
| return GetUndefinedMirror(); |
| }; |
| |
| |
| UnresolvedFunctionMirror.prototype.prototypeObject = function() { |
| return GetUndefinedMirror(); |
| }; |
| |
| |
| UnresolvedFunctionMirror.prototype.protoObject = function() { |
| return GetUndefinedMirror(); |
| }; |
| |
| |
| UnresolvedFunctionMirror.prototype.name = function() { |
| return this.value_; |
| }; |
| |
| |
| UnresolvedFunctionMirror.prototype.inferredName = function() { |
| return UNDEFINED; |
| }; |
| |
| |
| UnresolvedFunctionMirror.prototype.propertyNames = function(kind, limit) { |
| return []; |
| }; |
| |
| |
| /** |
| * Mirror object for arrays. |
| * @param {Array} value The Array object reflected by this mirror |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function ArrayMirror(value) { |
| %_Call(ObjectMirror, this, value); |
| } |
| inherits(ArrayMirror, ObjectMirror); |
| |
| |
| ArrayMirror.prototype.length = function() { |
| return this.value_.length; |
| }; |
| |
| |
| ArrayMirror.prototype.indexedPropertiesFromRange = function(opt_from_index, |
| opt_to_index) { |
| var from_index = opt_from_index || 0; |
| var to_index = opt_to_index || this.length() - 1; |
| if (from_index > to_index) return new GlobalArray(); |
| var values = new GlobalArray(to_index - from_index + 1); |
| for (var i = from_index; i <= to_index; i++) { |
| var details = %DebugGetPropertyDetails(this.value_, TO_STRING(i)); |
| var value; |
| if (details) { |
| value = new PropertyMirror(this, i, details); |
| } else { |
| value = GetUndefinedMirror(); |
| } |
| values[i - from_index] = value; |
| } |
| return values; |
| }; |
| |
| |
| /** |
| * Mirror object for dates. |
| * @param {Date} value The Date object reflected by this mirror |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function DateMirror(value) { |
| %_Call(ObjectMirror, this, value); |
| } |
| inherits(DateMirror, ObjectMirror); |
| |
| |
| DateMirror.prototype.toText = function() { |
| var s = JSONStringify(this.value_); |
| return s.substring(1, s.length - 1); // cut quotes |
| }; |
| |
| |
| /** |
| * Mirror object for regular expressions. |
| * @param {RegExp} value The RegExp object reflected by this mirror |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function RegExpMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.REGEXP_TYPE); |
| } |
| inherits(RegExpMirror, ObjectMirror); |
| |
| |
| /** |
| * Returns the source to the regular expression. |
| * @return {string or undefined} The source to the regular expression |
| */ |
| RegExpMirror.prototype.source = function() { |
| return this.value_.source; |
| }; |
| |
| |
| /** |
| * Returns whether this regular expression has the global (g) flag set. |
| * @return {boolean} Value of the global flag |
| */ |
| RegExpMirror.prototype.global = function() { |
| return this.value_.global; |
| }; |
| |
| |
| /** |
| * Returns whether this regular expression has the ignore case (i) flag set. |
| * @return {boolean} Value of the ignore case flag |
| */ |
| RegExpMirror.prototype.ignoreCase = function() { |
| return this.value_.ignoreCase; |
| }; |
| |
| |
| /** |
| * Returns whether this regular expression has the multiline (m) flag set. |
| * @return {boolean} Value of the multiline flag |
| */ |
| RegExpMirror.prototype.multiline = function() { |
| return this.value_.multiline; |
| }; |
| |
| |
| /** |
| * Returns whether this regular expression has the sticky (y) flag set. |
| * @return {boolean} Value of the sticky flag |
| */ |
| RegExpMirror.prototype.sticky = function() { |
| return this.value_.sticky; |
| }; |
| |
| |
| /** |
| * Returns whether this regular expression has the unicode (u) flag set. |
| * @return {boolean} Value of the unicode flag |
| */ |
| RegExpMirror.prototype.unicode = function() { |
| return this.value_.unicode; |
| }; |
| |
| |
| RegExpMirror.prototype.toText = function() { |
| // Simpel to text which is used when on specialization in subclass. |
| return "/" + this.source() + "/"; |
| }; |
| |
| |
| /** |
| * Mirror object for error objects. |
| * @param {Error} value The error object reflected by this mirror |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function ErrorMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.ERROR_TYPE); |
| } |
| inherits(ErrorMirror, ObjectMirror); |
| |
| |
| /** |
| * Returns the message for this eror object. |
| * @return {string or undefined} The message for this eror object |
| */ |
| ErrorMirror.prototype.message = function() { |
| return this.value_.message; |
| }; |
| |
| |
| ErrorMirror.prototype.toText = function() { |
| // Use the same text representation as in messages.js. |
| var text; |
| try { |
| text = %_Call(ErrorToString, this.value_); |
| } catch (e) { |
| text = '#<Error>'; |
| } |
| return text; |
| }; |
| |
| |
| /** |
| * Mirror object for a Promise object. |
| * @param {Object} value The Promise object |
| * @constructor |
| * @extends ObjectMirror |
| */ |
| function PromiseMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.PROMISE_TYPE); |
| } |
| inherits(PromiseMirror, ObjectMirror); |
| |
| |
| function PromiseGetStatus_(value) { |
| var status = %DebugGetProperty(value, promiseStateSymbol); |
| if (status == 0) return "pending"; |
| if (status == 1) return "resolved"; |
| return "rejected"; |
| } |
| |
| |
| function PromiseGetValue_(value) { |
| return %DebugGetProperty(value, promiseResultSymbol); |
| } |
| |
| |
| PromiseMirror.prototype.status = function() { |
| return PromiseGetStatus_(this.value_); |
| }; |
| |
| |
| PromiseMirror.prototype.promiseValue = function() { |
| return MakeMirror(PromiseGetValue_(this.value_)); |
| }; |
| |
| |
| function MapMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.MAP_TYPE); |
| } |
| inherits(MapMirror, ObjectMirror); |
| |
| |
| /** |
| * Returns an array of key/value pairs of a map. |
| * This will keep keys alive for WeakMaps. |
| * |
| * @param {number=} opt_limit Max elements to return. |
| * @returns {Array.<Object>} Array of key/value pairs of a map. |
| */ |
| MapMirror.prototype.entries = function(opt_limit) { |
| var result = []; |
| |
| if (IS_WEAKMAP(this.value_)) { |
| var entries = %GetWeakMapEntries(this.value_, opt_limit || 0); |
| for (var i = 0; i < entries.length; i += 2) { |
| result.push({ |
| key: entries[i], |
| value: entries[i + 1] |
| }); |
| } |
| return result; |
| } |
| |
| var iter = %_Call(MapEntries, this.value_); |
| var next; |
| while ((!opt_limit || result.length < opt_limit) && |
| !(next = iter.next()).done) { |
| result.push({ |
| key: next.value[0], |
| value: next.value[1] |
| }); |
| } |
| return result; |
| }; |
| |
| |
| function SetMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.SET_TYPE); |
| } |
| inherits(SetMirror, ObjectMirror); |
| |
| |
| function IteratorGetValues_(iter, next_function, opt_limit) { |
| var result = []; |
| var next; |
| while ((!opt_limit || result.length < opt_limit) && |
| !(next = %_Call(next_function, iter)).done) { |
| result.push(next.value); |
| } |
| return result; |
| } |
| |
| |
| /** |
| * Returns an array of elements of a set. |
| * This will keep elements alive for WeakSets. |
| * |
| * @param {number=} opt_limit Max elements to return. |
| * @returns {Array.<Object>} Array of elements of a set. |
| */ |
| SetMirror.prototype.values = function(opt_limit) { |
| if (IS_WEAKSET(this.value_)) { |
| return %GetWeakSetValues(this.value_, opt_limit || 0); |
| } |
| |
| var iter = %_Call(SetValues, this.value_); |
| return IteratorGetValues_(iter, SetIteratorNext, opt_limit); |
| }; |
| |
| |
| function IteratorMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.ITERATOR_TYPE); |
| } |
| inherits(IteratorMirror, ObjectMirror); |
| |
| |
| /** |
| * Returns a preview of elements of an iterator. |
| * Does not change the backing iterator state. |
| * |
| * @param {number=} opt_limit Max elements to return. |
| * @returns {Array.<Object>} Array of elements of an iterator. |
| */ |
| IteratorMirror.prototype.preview = function(opt_limit) { |
| if (IS_MAP_ITERATOR(this.value_)) { |
| return IteratorGetValues_(%MapIteratorClone(this.value_), |
| MapIteratorNext, |
| opt_limit); |
| } else if (IS_SET_ITERATOR(this.value_)) { |
| return IteratorGetValues_(%SetIteratorClone(this.value_), |
| SetIteratorNext, |
| opt_limit); |
| } |
| }; |
| |
| |
| /** |
| * Mirror object for a Generator object. |
| * @param {Object} data The Generator object |
| * @constructor |
| * @extends Mirror |
| */ |
| function GeneratorMirror(value) { |
| %_Call(ObjectMirror, this, value, MirrorType.GENERATOR_TYPE); |
| } |
| inherits(GeneratorMirror, ObjectMirror); |
| |
| |
| function GeneratorGetStatus_(value) { |
| var continuation = %GeneratorGetContinuation(value); |
| if (continuation < -1) return "running"; |
| if (continuation == -1) return "closed"; |
| return "suspended"; |
| } |
| |
| |
| GeneratorMirror.prototype.status = function() { |
| return GeneratorGetStatus_(this.value_); |
| }; |
| |
| |
| GeneratorMirror.prototype.sourcePosition_ = function() { |
| return %GeneratorGetSourcePosition(this.value_); |
| }; |
| |
| |
| GeneratorMirror.prototype.sourceLocation = function() { |
| var pos = this.sourcePosition_(); |
| if (!IS_UNDEFINED(pos)) { |
| var script = this.func().script(); |
| if (script) { |
| return script.locationFromPosition(pos, true); |
| } |
| } |
| }; |
| |
| |
| GeneratorMirror.prototype.func = function() { |
| if (!this.func_) { |
| this.func_ = MakeMirror(%GeneratorGetFunction(this.value_)); |
| } |
| return this.func_; |
| }; |
| |
| |
| GeneratorMirror.prototype.receiver = function() { |
| if (!this.receiver_) { |
| this.receiver_ = MakeMirror(%GeneratorGetReceiver(this.value_)); |
| } |
| return this.receiver_; |
| }; |
| |
| |
| /** |
| * Base mirror object for properties. |
| * @param {ObjectMirror} mirror The mirror object having this property |
| * @param {string} name The name of the property |
| * @param {Array} details Details about the property |
| * @constructor |
| * @extends Mirror |
| */ |
| function PropertyMirror(mirror, name, details) { |
| %_Call(Mirror, this, MirrorType.PROPERTY_TYPE); |
| this.mirror_ = mirror; |
| this.name_ = name; |
| this.value_ = details[0]; |
| this.details_ = details[1]; |
| this.is_interceptor_ = details[2]; |
| if (details.length > 3) { |
| this.exception_ = details[3]; |
| this.getter_ = details[4]; |
| this.setter_ = details[5]; |
| } |
| } |
| inherits(PropertyMirror, Mirror); |
| |
| |
| PropertyMirror.prototype.isReadOnly = function() { |
| return (this.attributes() & PropertyAttribute.ReadOnly) != 0; |
| }; |
| |
| |
| PropertyMirror.prototype.isEnum = function() { |
| return (this.attributes() & PropertyAttribute.DontEnum) == 0; |
| }; |
| |
| |
| PropertyMirror.prototype.canDelete = function() { |
| return (this.attributes() & PropertyAttribute.DontDelete) == 0; |
| }; |
| |
| |
| PropertyMirror.prototype.name = function() { |
| return this.name_; |
| }; |
| |
| |
| PropertyMirror.prototype.toText = function() { |
| if (IS_SYMBOL(this.name_)) return %SymbolDescriptiveString(this.name_); |
| return this.name_; |
| }; |
| |
| |
| PropertyMirror.prototype.isIndexed = function() { |
| for (var i = 0; i < this.name_.length; i++) { |
| if (this.name_[i] < '0' || '9' < this.name_[i]) { |
| return false; |
| } |
| } |
| return true; |
| }; |
| |
| |
| PropertyMirror.prototype.value = function() { |
| return MakeMirror(this.value_, false); |
| }; |
| |
| |
| /** |
| * Returns whether this property value is an exception. |
| * @return {booolean} True if this property value is an exception |
| */ |
| PropertyMirror.prototype.isException = function() { |
| return this.exception_ ? true : false; |
| }; |
| |
| |
| PropertyMirror.prototype.attributes = function() { |
| return %DebugPropertyAttributesFromDetails(this.details_); |
| }; |
| |
| |
| PropertyMirror.prototype.propertyType = function() { |
| return %DebugPropertyTypeFromDetails(this.details_); |
| }; |
| |
| |
| /** |
| * Returns whether this property has a getter defined through __defineGetter__. |
| * @return {booolean} True if this property has a getter |
| */ |
| PropertyMirror.prototype.hasGetter = function() { |
| return this.getter_ ? true : false; |
| }; |
| |
| |
| /** |
| * Returns whether this property has a setter defined through __defineSetter__. |
| * @return {booolean} True if this property has a setter |
| */ |
| PropertyMirror.prototype.hasSetter = function() { |
| return this.setter_ ? true : false; |
| }; |
| |
| |
| /** |
| * Returns the getter for this property defined through __defineGetter__. |
| * @return {Mirror} FunctionMirror reflecting the getter function or |
| * UndefinedMirror if there is no getter for this property |
| */ |
| PropertyMirror.prototype.getter = function() { |
| if (this.hasGetter()) { |
| return MakeMirror(this.getter_); |
| } else { |
| return GetUndefinedMirror(); |
| } |
| }; |
| |
| |
| /** |
| * Returns the setter for this property defined through __defineSetter__. |
| * @return {Mirror} FunctionMirror reflecting the setter function or |
| * UndefinedMirror if there is no setter for this property |
| */ |
| PropertyMirror.prototype.setter = function() { |
| if (this.hasSetter()) { |
| return MakeMirror(this.setter_); |
| } else { |
| return GetUndefinedMirror(); |
| } |
| }; |
| |
| |
| /** |
| * Returns whether this property is natively implemented by the host or a set |
| * through JavaScript code. |
| * @return {boolean} True if the property is |
| * UndefinedMirror if there is no setter for this property |
| */ |
| PropertyMirror.prototype.isNative = function() { |
| return this.is_interceptor_ || |
| ((this.propertyType() == PropertyType.AccessorConstant) && |
| !this.hasGetter() && !this.hasSetter()); |
| }; |
| |
| |
| /** |
| * Mirror object for internal properties. Internal property reflects properties |
| * not accessible from user code such as [[BoundThis]] in bound function. |
| * Their names are merely symbolic. |
| * @param {string} name The name of the property |
| * @param {value} property value |
| * @constructor |
| * @extends Mirror |
| */ |
| function InternalPropertyMirror(name, value) { |
| %_Call(Mirror, this, MirrorType.INTERNAL_PROPERTY_TYPE); |
| this.name_ = name; |
| this.value_ = value; |
| } |
| inherits(InternalPropertyMirror, Mirror); |
| |
| |
| InternalPropertyMirror.prototype.name = function() { |
| return this.name_; |
| }; |
| |
| |
| InternalPropertyMirror.prototype.value = function() { |
| return MakeMirror(this.value_, false); |
| }; |
| |
| |
| var kFrameDetailsFrameIdIndex = 0; |
| var kFrameDetailsReceiverIndex = 1; |
| var kFrameDetailsFunctionIndex = 2; |
| var kFrameDetailsArgumentCountIndex = 3; |
| var kFrameDetailsLocalCountIndex = 4; |
| var kFrameDetailsSourcePositionIndex = 5; |
| var kFrameDetailsConstructCallIndex = 6; |
| var kFrameDetailsAtReturnIndex = 7; |
| var kFrameDetailsFlagsIndex = 8; |
| var kFrameDetailsFirstDynamicIndex = 9; |
| |
| var kFrameDetailsNameIndex = 0; |
| var kFrameDetailsValueIndex = 1; |
| var kFrameDetailsNameValueSize = 2; |
| |
| var kFrameDetailsFlagDebuggerFrameMask = 1 << 0; |
| var kFrameDetailsFlagOptimizedFrameMask = 1 << 1; |
| var kFrameDetailsFlagInlinedFrameIndexMask = 7 << 2; |
| |
| /** |
| * Wrapper for the frame details information retreived from the VM. The frame |
| * details from the VM is an array with the following content. See runtime.cc |
| * Runtime_GetFrameDetails. |
| * 0: Id |
| * 1: Receiver |
| * 2: Function |
| * 3: Argument count |
| * 4: Local count |
| * 5: Source position |
| * 6: Construct call |
| * 7: Is at return |
| * 8: Flags (debugger frame, optimized frame, inlined frame index) |
| * Arguments name, value |
| * Locals name, value |
| * Return value if any |
| * @param {number} break_id Current break id |
| * @param {number} index Frame number |
| * @constructor |
| */ |
| function FrameDetails(break_id, index) { |
| this.break_id_ = break_id; |
| this.details_ = %GetFrameDetails(break_id, index); |
| } |
| |
| |
| FrameDetails.prototype.frameId = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsFrameIdIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.receiver = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsReceiverIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.func = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsFunctionIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.isConstructCall = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsConstructCallIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.isAtReturn = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsAtReturnIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.isDebuggerFrame = function() { |
| %CheckExecutionState(this.break_id_); |
| var f = kFrameDetailsFlagDebuggerFrameMask; |
| return (this.details_[kFrameDetailsFlagsIndex] & f) == f; |
| }; |
| |
| |
| FrameDetails.prototype.isOptimizedFrame = function() { |
| %CheckExecutionState(this.break_id_); |
| var f = kFrameDetailsFlagOptimizedFrameMask; |
| return (this.details_[kFrameDetailsFlagsIndex] & f) == f; |
| }; |
| |
| |
| FrameDetails.prototype.isInlinedFrame = function() { |
| return this.inlinedFrameIndex() > 0; |
| }; |
| |
| |
| FrameDetails.prototype.inlinedFrameIndex = function() { |
| %CheckExecutionState(this.break_id_); |
| var f = kFrameDetailsFlagInlinedFrameIndexMask; |
| return (this.details_[kFrameDetailsFlagsIndex] & f) >> 2; |
| }; |
| |
| |
| FrameDetails.prototype.argumentCount = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsArgumentCountIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.argumentName = function(index) { |
| %CheckExecutionState(this.break_id_); |
| if (index >= 0 && index < this.argumentCount()) { |
| return this.details_[kFrameDetailsFirstDynamicIndex + |
| index * kFrameDetailsNameValueSize + |
| kFrameDetailsNameIndex]; |
| } |
| }; |
| |
| |
| FrameDetails.prototype.argumentValue = function(index) { |
| %CheckExecutionState(this.break_id_); |
| if (index >= 0 && index < this.argumentCount()) { |
| return this.details_[kFrameDetailsFirstDynamicIndex + |
| index * kFrameDetailsNameValueSize + |
| kFrameDetailsValueIndex]; |
| } |
| }; |
| |
| |
| FrameDetails.prototype.localCount = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsLocalCountIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.sourcePosition = function() { |
| %CheckExecutionState(this.break_id_); |
| return this.details_[kFrameDetailsSourcePositionIndex]; |
| }; |
| |
| |
| FrameDetails.prototype.localName = function(index) { |
| %CheckExecutionState(this.break_id_); |
| if (index >= 0 && index < this.localCount()) { |
| var locals_offset = kFrameDetailsFirstDynamicIndex + |
| this.argumentCount() * kFrameDetailsNameValueSize; |
| return this.details_[locals_offset + |
| index * kFrameDetailsNameValueSize + |
| kFrameDetailsNameIndex]; |
| } |
| }; |
| |
| |
| FrameDetails.prototype.localValue = function(index) { |
| %CheckExecutionState(this.break_id_); |
| if (index >= 0 && index < this.localCount()) { |
| var locals_offset = kFrameDetailsFirstDynamicIndex + |
| this.argumentCount() * kFrameDetailsNameValueSize; |
| return this.details_[locals_offset + |
| index * kFrameDetailsNameValueSize + |
| kFrameDetailsValueIndex]; |
| } |
| }; |
| |
| |
| FrameDetails.prototype.returnValue = function() { |
| %CheckExecutionState(this.break_id_); |
| var return_value_offset = |
| kFrameDetailsFirstDynamicIndex + |
| (this.argumentCount() + this.localCount()) * kFrameDetailsNameValueSize; |
| if (this.details_[kFrameDetailsAtReturnIndex]) { |
| return this.details_[return_value_offset]; |
| } |
| }; |
| |
| |
| FrameDetails.prototype.scopeCount = function() { |
| if (IS_UNDEFINED(this.scopeCount_)) { |
| this.scopeCount_ = %GetScopeCount(this.break_id_, this.frameId()); |
| } |
| return this.scopeCount_; |
| }; |
| |
| |
| /** |
| * Mirror object for stack frames. |
| * @param {number} break_id The break id in the VM for which this frame is |
| valid |
| * @param {number} index The frame index (top frame is index 0) |
| * @constructor |
| * @extends Mirror |
| */ |
| function FrameMirror(break_id, index) { |
| %_Call(Mirror, this, MirrorType.FRAME_TYPE); |
| this.break_id_ = break_id; |
| this.index_ = index; |
| this.details_ = new FrameDetails(break_id, index); |
| } |
| inherits(FrameMirror, Mirror); |
| |
| |
| FrameMirror.prototype.details = function() { |
| return this.details_; |
| }; |
| |
| |
| FrameMirror.prototype.index = function() { |
| return this.index_; |
| }; |
| |
| |
| FrameMirror.prototype.func = function() { |
| if (this.func_) { |
| return this.func_; |
| } |
| |
| // Get the function for this frame from the VM. |
| var f = this.details_.func(); |
| |
| // Create a function mirror. NOTE: MakeMirror cannot be used here as the |
| // value returned from the VM might be a string if the function for the |
| // frame is unresolved. |
| if (IS_FUNCTION(f)) { |
| return this.func_ = MakeMirror(f); |
| } else { |
| return new UnresolvedFunctionMirror(f); |
| } |
| }; |
| |
| |
| FrameMirror.prototype.receiver = function() { |
| return MakeMirror(this.details_.receiver()); |
| }; |
| |
| |
| FrameMirror.prototype.isConstructCall = function() { |
| return this.details_.isConstructCall(); |
| }; |
| |
| |
| FrameMirror.prototype.isAtReturn = function() { |
| return this.details_.isAtReturn(); |
| }; |
| |
| |
| FrameMirror.prototype.isDebuggerFrame = function() { |
| return this.details_.isDebuggerFrame(); |
| }; |
| |
| |
| FrameMirror.prototype.isOptimizedFrame = function() { |
| return this.details_.isOptimizedFrame(); |
| }; |
| |
| |
| FrameMirror.prototype.isInlinedFrame = function() { |
| return this.details_.isInlinedFrame(); |
| }; |
| |
| |
| FrameMirror.prototype.inlinedFrameIndex = function() { |
| return this.details_.inlinedFrameIndex(); |
| }; |
| |
| |
| FrameMirror.prototype.argumentCount = function() { |
| return this.details_.argumentCount(); |
| }; |
| |
| |
| FrameMirror.prototype.argumentName = function(index) { |
| return this.details_.argumentName(index); |
| }; |
| |
| |
| FrameMirror.prototype.argumentValue = function(index) { |
| return MakeMirror(this.details_.argumentValue(index)); |
| }; |
| |
| |
| FrameMirror.prototype.localCount = function() { |
| return this.details_.localCount(); |
| }; |
| |
| |
| FrameMirror.prototype.localName = function(index) { |
| return this.details_.localName(index); |
| }; |
| |
| |
| FrameMirror.prototype.localValue = function(index) { |
| return MakeMirror(this.details_.localValue(index)); |
| }; |
| |
| |
| FrameMirror.prototype.returnValue = function() { |
| return MakeMirror(this.details_.returnValue()); |
| }; |
| |
| |
| FrameMirror.prototype.sourcePosition = function() { |
| return this.details_.sourcePosition(); |
| }; |
| |
| |
| FrameMirror.prototype.sourceLocation = function() { |
| var func = this.func(); |
| if (func.resolved()) { |
| var script = func.script(); |
| if (script) { |
| return script.locationFromPosition(this.sourcePosition(), true); |
| } |
| } |
| }; |
| |
| |
| FrameMirror.prototype.sourceLine = function() { |
| var location = this.sourceLocation(); |
| if (location) { |
| return location.line; |
| } |
| }; |
| |
| |
| FrameMirror.prototype.sourceColumn = function() { |
| var location = this.sourceLocation(); |
| if (location) { |
| return location.column; |
| } |
| }; |
| |
| |
| FrameMirror.prototype.sourceLineText = function() { |
| var location = this.sourceLocation(); |
| if (location) { |
| return location.sourceText; |
| } |
| }; |
| |
| |
| FrameMirror.prototype.scopeCount = function() { |
| return this.details_.scopeCount(); |
| }; |
| |
| |
| FrameMirror.prototype.scope = function(index) { |
| return new ScopeMirror(this, UNDEFINED, index); |
| }; |
| |
| |
| FrameMirror.prototype.allScopes = function(opt_ignore_nested_scopes) { |
| var scopeDetails = %GetAllScopesDetails(this.break_id_, |
| this.details_.frameId(), |
| this.details_.inlinedFrameIndex(), |
| !!opt_ignore_nested_scopes); |
| var result = []; |
| for (var i = 0; i < scopeDetails.length; ++i) { |
| result.push(new ScopeMirror(this, UNDEFINED, i, scopeDetails[i])); |
| } |
| return result; |
| }; |
| |
| |
| FrameMirror.prototype.evaluate = function(source, disable_break, |
| opt_context_object) { |
| return MakeMirror(%DebugEvaluate(this.break_id_, |
| this.details_.frameId(), |
| this.details_.inlinedFrameIndex(), |
| source, |
| TO_BOOLEAN(disable_break), |
| opt_context_object)); |
| }; |
| |
| |
| FrameMirror.prototype.invocationText = function() { |
| // Format frame invoaction (receiver, function and arguments). |
| var result = ''; |
| var func = this.func(); |
| var receiver = this.receiver(); |
| if (this.isConstructCall()) { |
| // For constructor frames display new followed by the function name. |
| result += 'new '; |
| result += func.name() ? func.name() : '[anonymous]'; |
| } else if (this.isDebuggerFrame()) { |
| result += '[debugger]'; |
| } else { |
| // If the receiver has a className which is 'global' don't display it. |
| var display_receiver = |
| !receiver.className || (receiver.className() != 'global'); |
| if (display_receiver) { |
| result += receiver.toText(); |
| } |
| // Try to find the function as a property in the receiver. Include the |
| // prototype chain in the lookup. |
| var property = GetUndefinedMirror(); |
| if (receiver.isObject()) { |
| for (var r = receiver; |
| !r.isNull() && property.isUndefined(); |
| r = r.protoObject()) { |
| property = r.lookupProperty(func); |
| } |
| } |
| if (!property.isUndefined()) { |
| // The function invoked was found on the receiver. Use the property name |
| // for the backtrace. |
| if (!property.isIndexed()) { |
| if (display_receiver) { |
| result += '.'; |
| } |
| result += property.toText(); |
| } else { |
| result += '['; |
| result += property.toText(); |
| result += ']'; |
| } |
| // Also known as - if the name in the function doesn't match the name |
| // under which it was looked up. |
| if (func.name() && func.name() != property.name()) { |
| result += '(aka ' + func.name() + ')'; |
| } |
| } else { |
| // The function invoked was not found on the receiver. Use the function |
| // name if available for the backtrace. |
| if (display_receiver) { |
| result += '.'; |
| } |
| result += func.name() ? func.name() : '[anonymous]'; |
| } |
| } |
| |
| // Render arguments for normal frames. |
| if (!this.isDebuggerFrame()) { |
| result += '('; |
| for (var i = 0; i < this.argumentCount(); i++) { |
| if (i != 0) result += ', '; |
| if (this.argumentName(i)) { |
| result += this.argumentName(i); |
| result += '='; |
| } |
| result += this.argumentValue(i).toText(); |
| } |
| result += ')'; |
| } |
| |
| if (this.isAtReturn()) { |
| result += ' returning '; |
| result += this.returnValue().toText(); |
| } |
| |
| return result; |
| }; |
| |
| |
| FrameMirror.prototype.sourceAndPositionText = function() { |
| // Format source and position. |
| var result = ''; |
| var func = this.func(); |
| if (func.resolved()) { |
| var script = func.script(); |
| if (script) { |
| if (script.name()) { |
| result += script.name(); |
| } else { |
| result += '[unnamed]'; |
| } |
| if (!this.isDebuggerFrame()) { |
| var location = this.sourceLocation(); |
| result += ' line '; |
| result += !IS_UNDEFINED(location) ? (location.line + 1) : '?'; |
| result += ' column '; |
| result += !IS_UNDEFINED(location) ? (location.column + 1) : '?'; |
| if (!IS_UNDEFINED(this.sourcePosition())) { |
| result += ' (position ' + (this.sourcePosition() + 1) + ')'; |
| } |
| } |
| } else { |
| result += '[no source]'; |
| } |
| } else { |
| result += '[unresolved]'; |
| } |
| |
| return result; |
| }; |
| |
| |
| FrameMirror.prototype.localsText = function() { |
| // Format local variables. |
| var result = ''; |
| var locals_count = this.localCount(); |
| if (locals_count > 0) { |
| for (var i = 0; i < locals_count; ++i) { |
| result += ' var '; |
| result += this.localName(i); |
| result += ' = '; |
| result += this.localValue(i).toText(); |
| if (i < locals_count - 1) result += '\n'; |
| } |
| } |
| |
| return result; |
| }; |
| |
| |
| FrameMirror.prototype.restart = function() { |
| var result = %LiveEditRestartFrame(this.break_id_, this.index_); |
| if (IS_UNDEFINED(result)) { |
| result = "Failed to find requested frame"; |
| } |
| return result; |
| }; |
| |
| |
| FrameMirror.prototype.toText = function(opt_locals) { |
| var result = ''; |
| result += '#' + (this.index() <= 9 ? '0' : '') + this.index(); |
| result += ' '; |
| result += this.invocationText(); |
| result += ' '; |
| result += this.sourceAndPositionText(); |
| if (opt_locals) { |
| result += '\n'; |
| result += this.localsText(); |
| } |
| return result; |
| }; |
| |
| |
| // This indexes correspond definitions in debug-scopes.h. |
| var kScopeDetailsTypeIndex = 0; |
| var kScopeDetailsObjectIndex = 1; |
| var kScopeDetailsNameIndex = 2; |
| var kScopeDetailsStartPositionIndex = 3; |
| var kScopeDetailsEndPositionIndex = 4; |
| var kScopeDetailsFunctionIndex = 5; |
| |
| function ScopeDetails(frame, fun, index, opt_details) { |
| if (frame) { |
| this.break_id_ = frame.break_id_; |
| this.details_ = opt_details || |
| %GetScopeDetails(frame.break_id_, |
| frame.details_.frameId(), |
| frame.details_.inlinedFrameIndex(), |
| index); |
| this.frame_id_ = frame.details_.frameId(); |
| this.inlined_frame_id_ = frame.details_.inlinedFrameIndex(); |
| } else { |
| this.details_ = opt_details || %GetFunctionScopeDetails(fun.value(), index); |
| this.fun_value_ = fun.value(); |
| this.break_id_ = UNDEFINED; |
| } |
| this.index_ = index; |
| } |
| |
| |
| ScopeDetails.prototype.type = function() { |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| } |
| return this.details_[kScopeDetailsTypeIndex]; |
| }; |
| |
| |
| ScopeDetails.prototype.object = function() { |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| } |
| return this.details_[kScopeDetailsObjectIndex]; |
| }; |
| |
| |
| ScopeDetails.prototype.name = function() { |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| } |
| return this.details_[kScopeDetailsNameIndex]; |
| }; |
| |
| |
| ScopeDetails.prototype.startPosition = function() { |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| } |
| return this.details_[kScopeDetailsStartPositionIndex]; |
| } |
| |
| |
| ScopeDetails.prototype.endPosition = function() { |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| } |
| return this.details_[kScopeDetailsEndPositionIndex]; |
| } |
| |
| ScopeDetails.prototype.func = function() { |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| } |
| return this.details_[kScopeDetailsFunctionIndex]; |
| } |
| |
| |
| ScopeDetails.prototype.setVariableValueImpl = function(name, new_value) { |
| var raw_res; |
| if (!IS_UNDEFINED(this.break_id_)) { |
| %CheckExecutionState(this.break_id_); |
| raw_res = %SetScopeVariableValue(this.break_id_, this.frame_id_, |
| this.inlined_frame_id_, this.index_, name, new_value); |
| } else { |
| raw_res = %SetScopeVariableValue(this.fun_value_, null, null, this.index_, |
| name, new_value); |
| } |
| if (!raw_res) throw MakeError(kDebugger, "Failed to set variable value"); |
| }; |
| |
| |
| /** |
| * Mirror object for scope of frame or function. Either frame or function must |
| * be specified. |
| * @param {FrameMirror} frame The frame this scope is a part of |
| * @param {FunctionMirror} function The function this scope is a part of |
| * @param {number} index The scope index in the frame |
| * @param {Array=} opt_details Raw scope details data |
| * @constructor |
| * @extends Mirror |
| */ |
| function ScopeMirror(frame, fun, index, opt_details) { |
| %_Call(Mirror, this, MirrorType.SCOPE_TYPE); |
| if (frame) { |
| this.frame_index_ = frame.index_; |
| } else { |
| this.frame_index_ = UNDEFINED; |
| } |
| this.scope_index_ = index; |
| this.details_ = new ScopeDetails(frame, fun, index, opt_details); |
| } |
| inherits(ScopeMirror, Mirror); |
| |
| |
| ScopeMirror.prototype.details = function() { |
| return this.details_; |
| }; |
| |
| |
| ScopeMirror.prototype.frameIndex = function() { |
| return this.frame_index_; |
| }; |
| |
| |
| ScopeMirror.prototype.scopeIndex = function() { |
| return this.scope_index_; |
| }; |
| |
| |
| ScopeMirror.prototype.scopeType = function() { |
| return this.details_.type(); |
| }; |
| |
| |
| ScopeMirror.prototype.scopeObject = function() { |
| // For local, closure and script scopes create a transient mirror |
| // as these objects are created on the fly materializing the local |
| // or closure scopes and therefore will not preserve identity. |
| var transient = this.scopeType() == ScopeType.Local || |
| this.scopeType() == ScopeType.Closure || |
| this.scopeType() == ScopeType.Script; |
| return MakeMirror(this.details_.object(), transient); |
| }; |
| |
| |
| ScopeMirror.prototype.setVariableValue = function(name, new_value) { |
| this.details_.setVariableValueImpl(name, new_value); |
| }; |
| |
| |
| /** |
| * Mirror object for script source. |
| * @param {Script} script The script object |
| * @constructor |
| * @extends Mirror |
| */ |
| function ScriptMirror(script) { |
| %_Call(Mirror, this, MirrorType.SCRIPT_TYPE); |
| this.script_ = script; |
| this.context_ = new ContextMirror(script.context_data); |
| this.allocateHandle_(); |
| } |
| inherits(ScriptMirror, Mirror); |
| |
| |
| ScriptMirror.prototype.value = function() { |
| return this.script_; |
| }; |
| |
| |
| ScriptMirror.prototype.name = function() { |
| return this.script_.name || this.script_.nameOrSourceURL(); |
| }; |
| |
| |
| ScriptMirror.prototype.id = function() { |
| return this.script_.id; |
| }; |
| |
| |
| ScriptMirror.prototype.source = function() { |
| return this.script_.source; |
| }; |
| |
| |
| ScriptMirror.prototype.setSource = function(source) { |
| %DebugSetScriptSource(this.script_, source); |
| }; |
| |
| |
| ScriptMirror.prototype.lineOffset = function() { |
| return this.script_.line_offset; |
| }; |
| |
| |
| ScriptMirror.prototype.columnOffset = function() { |
| return this.script_.column_offset; |
| }; |
| |
| |
| ScriptMirror.prototype.data = function() { |
| return this.script_.data; |
| }; |
| |
| |
| ScriptMirror.prototype.scriptType = function() { |
| return this.script_.type; |
| }; |
| |
| |
| ScriptMirror.prototype.compilationType = function() { |
| return this.script_.compilation_type; |
| }; |
| |
| |
| ScriptMirror.prototype.lineCount = function() { |
| return %ScriptLineCount(this.script_); |
| }; |
| |
| |
| ScriptMirror.prototype.locationFromPosition = function( |
| position, include_resource_offset) { |
| return this.script_.locationFromPosition(position, include_resource_offset); |
| }; |
| |
| |
| ScriptMirror.prototype.context = function() { |
| return this.context_; |
| }; |
| |
| |
| ScriptMirror.prototype.evalFromScript = function() { |
| return MakeMirror(this.script_.eval_from_script); |
| }; |
| |
| |
| ScriptMirror.prototype.evalFromFunctionName = function() { |
| return MakeMirror(this.script_.eval_from_function_name); |
| }; |
| |
| |
| ScriptMirror.prototype.evalFromLocation = function() { |
| var eval_from_script = this.evalFromScript(); |
| if (!eval_from_script.isUndefined()) { |
| var position = this.script_.eval_from_script_position; |
| return eval_from_script.locationFromPosition(position, true); |
| } |
| }; |
| |
| |
| ScriptMirror.prototype.toText = function() { |
| var result = ''; |
| result += this.name(); |
| result += ' (lines: '; |
| if (this.lineOffset() > 0) { |
| result += this.lineOffset(); |
| result += '-'; |
| result += this.lineOffset() + this.lineCount() - 1; |
| } else { |
| result += this.lineCount(); |
| } |
| result += ')'; |
| return result; |
| }; |
| |
| |
| /** |
| * Mirror object for context. |
| * @param {Object} data The context data |
| * @constructor |
| * @extends Mirror |
| */ |
| function ContextMirror(data) { |
| %_Call(Mirror, this, MirrorType.CONTEXT_TYPE); |
| this.data_ = data; |
| this.allocateHandle_(); |
| } |
| inherits(ContextMirror, Mirror); |
| |
| |
| ContextMirror.prototype.data = function() { |
| return this.data_; |
| }; |
| |
| |
| /** |
| * Returns a mirror serializer |
| * |
| * @param {boolean} details Set to true to include details |
| * @param {Object} options Options comtrolling the serialization |
| * The following options can be set: |
| * includeSource: include ths full source of scripts |
| * @returns {MirrorSerializer} mirror serializer |
| */ |
| function MakeMirrorSerializer(details, options) { |
| return new JSONProtocolSerializer(details, options); |
| } |
| |
| |
| /** |
| * Object for serializing a mirror objects and its direct references. |
| * @param {boolean} details Indicates whether to include details for the mirror |
| * serialized |
| * @constructor |
| */ |
| function JSONProtocolSerializer(details, options) { |
| this.details_ = details; |
| this.options_ = options; |
| this.mirrors_ = [ ]; |
| } |
| |
| |
| /** |
| * Returns a serialization of an object reference. The referenced object are |
| * added to the serialization state. |
| * |
| * @param {Mirror} mirror The mirror to serialize |
| * @returns {String} JSON serialization |
| */ |
| JSONProtocolSerializer.prototype.serializeReference = function(mirror) { |
| return this.serialize_(mirror, true, true); |
| }; |
| |
| |
| /** |
| * Returns a serialization of an object value. The referenced objects are |
| * added to the serialization state. |
| * |
| * @param {Mirror} mirror The mirror to serialize |
| * @returns {String} JSON serialization |
| */ |
| JSONProtocolSerializer.prototype.serializeValue = function(mirror) { |
| var json = this.serialize_(mirror, false, true); |
| return json; |
| }; |
| |
| |
| /** |
| * Returns a serialization of all the objects referenced. |
| * |
| * @param {Mirror} mirror The mirror to serialize. |
| * @returns {Array.<Object>} Array of the referenced objects converted to |
| * protcol objects. |
| */ |
| JSONProtocolSerializer.prototype.serializeReferencedObjects = function() { |
| // Collect the protocol representation of the referenced objects in an array. |
| var content = []; |
| |
| // Get the number of referenced objects. |
| var count = this.mirrors_.length; |
| |
| for (var i = 0; i < count; i++) { |
| content.push(this.serialize_(this.mirrors_[i], false, false)); |
| } |
| |
| return content; |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.includeSource_ = function() { |
| return this.options_ && this.options_.includeSource; |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.inlineRefs_ = function() { |
| return this.options_ && this.options_.inlineRefs; |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.maxStringLength_ = function() { |
| if (IS_UNDEFINED(this.options_) || |
| IS_UNDEFINED(this.options_.maxStringLength)) { |
| return kMaxProtocolStringLength; |
| } |
| return this.options_.maxStringLength; |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.add_ = function(mirror) { |
| // If this mirror is already in the list just return. |
| for (var i = 0; i < this.mirrors_.length; i++) { |
| if (this.mirrors_[i] === mirror) { |
| return; |
| } |
| } |
| |
| // Add the mirror to the list of mirrors to be serialized. |
| this.mirrors_.push(mirror); |
| }; |
| |
| |
| /** |
| * Formats mirror object to protocol reference object with some data that can |
| * be used to display the value in debugger. |
| * @param {Mirror} mirror Mirror to serialize. |
| * @return {Object} Protocol reference object. |
| */ |
| JSONProtocolSerializer.prototype.serializeReferenceWithDisplayData_ = |
| function(mirror) { |
| var o = {}; |
| o.ref = mirror.handle(); |
| o.type = mirror.type(); |
| switch (mirror.type()) { |
| case MirrorType.UNDEFINED_TYPE: |
| case MirrorType.NULL_TYPE: |
| case MirrorType.BOOLEAN_TYPE: |
| case MirrorType.NUMBER_TYPE: |
| o.value = mirror.value(); |
| break; |
| case MirrorType.STRING_TYPE: |
| o.value = mirror.getTruncatedValue(this.maxStringLength_()); |
| break; |
| case MirrorType.SYMBOL_TYPE: |
| o.description = mirror.description(); |
| break; |
| case MirrorType.FUNCTION_TYPE: |
| o.name = mirror.name(); |
| o.inferredName = mirror.inferredName(); |
| if (mirror.script()) { |
| o.scriptId = mirror.script().id(); |
| } |
| break; |
| case MirrorType.ERROR_TYPE: |
| case MirrorType.REGEXP_TYPE: |
| o.value = mirror.toText(); |
| break; |
| case MirrorType.OBJECT_TYPE: |
| o.className = mirror.className(); |
| break; |
| } |
| return o; |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.serialize_ = function(mirror, reference, |
| details) { |
| // If serializing a reference to a mirror just return the reference and add |
| // the mirror to the referenced mirrors. |
| if (reference && |
| (mirror.isValue() || mirror.isScript() || mirror.isContext())) { |
| if (this.inlineRefs_() && mirror.isValue()) { |
| return this.serializeReferenceWithDisplayData_(mirror); |
| } else { |
| this.add_(mirror); |
| return {'ref' : mirror.handle()}; |
| } |
| } |
| |
| // Collect the JSON property/value pairs. |
| var content = {}; |
| |
| // Add the mirror handle. |
| if (mirror.isValue() || mirror.isScript() || mirror.isContext()) { |
| content.handle = mirror.handle(); |
| } |
| |
| // Always add the type. |
| content.type = mirror.type(); |
| |
| switch (mirror.type()) { |
| case MirrorType.UNDEFINED_TYPE: |
| case MirrorType.NULL_TYPE: |
| // Undefined and null are represented just by their type. |
| break; |
| |
| case MirrorType.BOOLEAN_TYPE: |
| // Boolean values are simply represented by their value. |
| content.value = mirror.value(); |
| break; |
| |
| case MirrorType.NUMBER_TYPE: |
| // Number values are simply represented by their value. |
| content.value = NumberToJSON_(mirror.value()); |
| break; |
| |
| case MirrorType.STRING_TYPE: |
| // String values might have their value cropped to keep down size. |
| if (this.maxStringLength_() != -1 && |
| mirror.length() > this.maxStringLength_()) { |
| var str = mirror.getTruncatedValue(this.maxStringLength_()); |
| content.value = str; |
| content.fromIndex = 0; |
| content.toIndex = this.maxStringLength_(); |
| } else { |
| content.value = mirror.value(); |
| } |
| content.length = mirror.length(); |
| break; |
| |
| case MirrorType.SYMBOL_TYPE: |
| content.description = mirror.description(); |
| break; |
| |
| case MirrorType.OBJECT_TYPE: |
| case MirrorType.FUNCTION_TYPE: |
| case MirrorType.ERROR_TYPE: |
| case MirrorType.REGEXP_TYPE: |
| case MirrorType.PROMISE_TYPE: |
| case MirrorType.GENERATOR_TYPE: |
| // Add object representation. |
| this.serializeObject_(mirror, content, details); |
| break; |
| |
| case MirrorType.PROPERTY_TYPE: |
| case MirrorType.INTERNAL_PROPERTY_TYPE: |
| throw MakeError(kDebugger, |
| 'PropertyMirror cannot be serialized independently'); |
| break; |
| |
| case MirrorType.FRAME_TYPE: |
| // Add object representation. |
| this.serializeFrame_(mirror, content); |
| break; |
| |
| case MirrorType.SCOPE_TYPE: |
| // Add object representation. |
| this.serializeScope_(mirror, content); |
| break; |
| |
| case MirrorType.SCRIPT_TYPE: |
| // Script is represented by id, name and source attributes. |
| if (mirror.name()) { |
| content.name = mirror.name(); |
| } |
| content.id = mirror.id(); |
| content.lineOffset = mirror.lineOffset(); |
| content.columnOffset = mirror.columnOffset(); |
| content.lineCount = mirror.lineCount(); |
| if (mirror.data()) { |
| content.data = mirror.data(); |
| } |
| if (this.includeSource_()) { |
| content.source = mirror.source(); |
| } else { |
| var sourceStart = mirror.source().substring(0, 80); |
| content.sourceStart = sourceStart; |
| } |
| content.sourceLength = mirror.source().length; |
| content.scriptType = mirror.scriptType(); |
| content.compilationType = mirror.compilationType(); |
| // For compilation type eval emit information on the script from which |
| // eval was called if a script is present. |
| if (mirror.compilationType() == 1 && |
| mirror.evalFromScript()) { |
| content.evalFromScript = |
| this.serializeReference(mirror.evalFromScript()); |
| var evalFromLocation = mirror.evalFromLocation(); |
| if (evalFromLocation) { |
| content.evalFromLocation = { line: evalFromLocation.line, |
| column: evalFromLocation.column }; |
| } |
| if (mirror.evalFromFunctionName()) { |
| content.evalFromFunctionName = mirror.evalFromFunctionName(); |
| } |
| } |
| if (mirror.context()) { |
| content.context = this.serializeReference(mirror.context()); |
| } |
| break; |
| |
| case MirrorType.CONTEXT_TYPE: |
| content.data = mirror.data(); |
| break; |
| } |
| |
| // Always add the text representation. |
| content.text = mirror.toText(); |
| |
| // Create and return the JSON string. |
| return content; |
| }; |
| |
| |
| /** |
| * Serialize object information to the following JSON format. |
| * |
| * {"className":"<class name>", |
| * "constructorFunction":{"ref":<number>}, |
| * "protoObject":{"ref":<number>}, |
| * "prototypeObject":{"ref":<number>}, |
| * "namedInterceptor":<boolean>, |
| * "indexedInterceptor":<boolean>, |
| * "properties":[<properties>], |
| * "internalProperties":[<internal properties>]} |
| */ |
| JSONProtocolSerializer.prototype.serializeObject_ = function(mirror, content, |
| details) { |
| // Add general object properties. |
| content.className = mirror.className(); |
| content.constructorFunction = |
| this.serializeReference(mirror.constructorFunction()); |
| content.protoObject = this.serializeReference(mirror.protoObject()); |
| content.prototypeObject = this.serializeReference(mirror.prototypeObject()); |
| |
| // Add flags to indicate whether there are interceptors. |
| if (mirror.hasNamedInterceptor()) { |
| content.namedInterceptor = true; |
| } |
| if (mirror.hasIndexedInterceptor()) { |
| content.indexedInterceptor = true; |
| } |
| |
| if (mirror.isFunction()) { |
| // Add function specific properties. |
| content.name = mirror.name(); |
| if (!IS_UNDEFINED(mirror.inferredName())) { |
| content.inferredName = mirror.inferredName(); |
| } |
| content.resolved = mirror.resolved(); |
| if (mirror.resolved()) { |
| content.source = mirror.source(); |
| } |
| if (mirror.script()) { |
| content.script = this.serializeReference(mirror.script()); |
| content.scriptId = mirror.script().id(); |
| |
| serializeLocationFields(mirror.sourceLocation(), content); |
| } |
| |
| content.scopes = []; |
| for (var i = 0; i < mirror.scopeCount(); i++) { |
| var scope = mirror.scope(i); |
| content.scopes.push({ |
| type: scope.scopeType(), |
| index: i |
| }); |
| } |
| } |
| |
| if (mirror.isGenerator()) { |
| // Add generator specific properties. |
| |
| // Either 'running', 'closed', or 'suspended'. |
| content.status = mirror.status(); |
| |
| content.func = this.serializeReference(mirror.func()) |
| content.receiver = this.serializeReference(mirror.receiver()) |
| |
| // If the generator is suspended, the content add line/column properties. |
| serializeLocationFields(mirror.sourceLocation(), content); |
| |
| // TODO(wingo): Also serialize a reference to the context (scope chain). |
| } |
| |
| if (mirror.isDate()) { |
| // Add date specific properties. |
| content.value = mirror.value(); |
| } |
| |
| if (mirror.isPromise()) { |
| // Add promise specific properties. |
| content.status = mirror.status(); |
| content.promiseValue = this.serializeReference(mirror.promiseValue()); |
| } |
| |
| // Add actual properties - named properties followed by indexed properties. |
| var properties = mirror.propertyNames(); |
| for (var i = 0; i < properties.length; i++) { |
| var propertyMirror = mirror.property(properties[i]); |
| properties[i] = this.serializeProperty_(propertyMirror); |
| if (details) { |
| this.add_(propertyMirror.value()); |
| } |
| } |
| content.properties = properties; |
| |
| var internalProperties = mirror.internalProperties(); |
| if (internalProperties.length > 0) { |
| var ip = []; |
| for (var i = 0; i < internalProperties.length; i++) { |
| ip.push(this.serializeInternalProperty_(internalProperties[i])); |
| } |
| content.internalProperties = ip; |
| } |
| }; |
| |
| |
| /** |
| * Serialize location information to the following JSON format: |
| * |
| * "position":"<position>", |
| * "line":"<line>", |
| * "column":"<column>", |
| * |
| * @param {SourceLocation} location The location to serialize, may be undefined. |
| */ |
| function serializeLocationFields (location, content) { |
| if (!location) { |
| return; |
| } |
| content.position = location.position; |
| var line = location.line; |
| if (!IS_UNDEFINED(line)) { |
| content.line = line; |
| } |
| var column = location.column; |
| if (!IS_UNDEFINED(column)) { |
| content.column = column; |
| } |
| } |
| |
| |
| /** |
| * Serialize property information to the following JSON format for building the |
| * array of properties. |
| * |
| * {"name":"<property name>", |
| * "attributes":<number>, |
| * "propertyType":<number>, |
| * "ref":<number>} |
| * |
| * If the attribute for the property is PropertyAttribute.None it is not added. |
| * Here are a couple of examples. |
| * |
| * {"name":"hello","propertyType":0,"ref":1} |
| * {"name":"length","attributes":7,"propertyType":3,"ref":2} |
| * |
| * @param {PropertyMirror} propertyMirror The property to serialize. |
| * @returns {Object} Protocol object representing the property. |
| */ |
| JSONProtocolSerializer.prototype.serializeProperty_ = function(propertyMirror) { |
| var result = {}; |
| |
| result.name = propertyMirror.name(); |
| var propertyValue = propertyMirror.value(); |
| if (this.inlineRefs_() && propertyValue.isValue()) { |
| result.value = this.serializeReferenceWithDisplayData_(propertyValue); |
| } else { |
| if (propertyMirror.attributes() != PropertyAttribute.None) { |
| result.attributes = propertyMirror.attributes(); |
| } |
| result.propertyType = propertyMirror.propertyType(); |
| result.ref = propertyValue.handle(); |
| } |
| return result; |
| }; |
| |
| |
| /** |
| * Serialize internal property information to the following JSON format for |
| * building the array of properties. |
| * |
| * {"name":"<property name>", |
| * "ref":<number>} |
| * |
| * {"name":"[[BoundThis]]","ref":117} |
| * |
| * @param {InternalPropertyMirror} propertyMirror The property to serialize. |
| * @returns {Object} Protocol object representing the property. |
| */ |
| JSONProtocolSerializer.prototype.serializeInternalProperty_ = |
| function(propertyMirror) { |
| var result = {}; |
| |
| result.name = propertyMirror.name(); |
| var propertyValue = propertyMirror.value(); |
| if (this.inlineRefs_() && propertyValue.isValue()) { |
| result.value = this.serializeReferenceWithDisplayData_(propertyValue); |
| } else { |
| result.ref = propertyValue.handle(); |
| } |
| return result; |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.serializeFrame_ = function(mirror, content) { |
| content.index = mirror.index(); |
| content.receiver = this.serializeReference(mirror.receiver()); |
| var func = mirror.func(); |
| content.func = this.serializeReference(func); |
| var script = func.script(); |
| if (script) { |
| content.script = this.serializeReference(script); |
| } |
| content.constructCall = mirror.isConstructCall(); |
| content.atReturn = mirror.isAtReturn(); |
| if (mirror.isAtReturn()) { |
| content.returnValue = this.serializeReference(mirror.returnValue()); |
| } |
| content.debuggerFrame = mirror.isDebuggerFrame(); |
| var x = new GlobalArray(mirror.argumentCount()); |
| for (var i = 0; i < mirror.argumentCount(); i++) { |
| var arg = {}; |
| var argument_name = mirror.argumentName(i); |
| if (argument_name) { |
| arg.name = argument_name; |
| } |
| arg.value = this.serializeReference(mirror.argumentValue(i)); |
| x[i] = arg; |
| } |
| content.arguments = x; |
| var x = new GlobalArray(mirror.localCount()); |
| for (var i = 0; i < mirror.localCount(); i++) { |
| var local = {}; |
| local.name = mirror.localName(i); |
| local.value = this.serializeReference(mirror.localValue(i)); |
| x[i] = local; |
| } |
| content.locals = x; |
| serializeLocationFields(mirror.sourceLocation(), content); |
| var source_line_text = mirror.sourceLineText(); |
| if (!IS_UNDEFINED(source_line_text)) { |
| content.sourceLineText = source_line_text; |
| } |
| |
| content.scopes = []; |
| for (var i = 0; i < mirror.scopeCount(); i++) { |
| var scope = mirror.scope(i); |
| content.scopes.push({ |
| type: scope.scopeType(), |
| index: i |
| }); |
| } |
| }; |
| |
| |
| JSONProtocolSerializer.prototype.serializeScope_ = function(mirror, content) { |
| content.index = mirror.scopeIndex(); |
| content.frameIndex = mirror.frameIndex(); |
| content.type = mirror.scopeType(); |
| content.object = this.inlineRefs_() ? |
| this.serializeValue(mirror.scopeObject()) : |
| this.serializeReference(mirror.scopeObject()); |
| }; |
| |
| |
| /** |
| * Convert a number to a protocol value. For all finite numbers the number |
| * itself is returned. For non finite numbers NaN, Infinite and |
| * -Infinite the string representation "NaN", "Infinite" or "-Infinite" |
| * (not including the quotes) is returned. |
| * |
| * @param {number} value The number value to convert to a protocol value. |
| * @returns {number|string} Protocol value. |
| */ |
| function NumberToJSON_(value) { |
| if (IsNaN(value)) { |
| return 'NaN'; |
| } |
| if (!NUMBER_IS_FINITE(value)) { |
| if (value > 0) { |
| return 'Infinity'; |
| } else { |
| return '-Infinity'; |
| } |
| } |
| return value; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Exports |
| |
| utils.InstallFunctions(global, DONT_ENUM, [ |
| "MakeMirror", MakeMirror, |
| "MakeMirrorSerializer", MakeMirrorSerializer, |
| "LookupMirror", LookupMirror, |
| "ToggleMirrorCache", ToggleMirrorCache, |
| "MirrorCacheIsEmpty", MirrorCacheIsEmpty, |
| ]); |
| |
| utils.InstallConstants(global, [ |
| "ScopeType", ScopeType, |
| "PropertyType", PropertyType, |
| "PropertyAttribute", PropertyAttribute, |
| "Mirror", Mirror, |
| "ValueMirror", ValueMirror, |
| "UndefinedMirror", UndefinedMirror, |
| "NullMirror", NullMirror, |
| "BooleanMirror", BooleanMirror, |
| "NumberMirror", NumberMirror, |
| "StringMirror", StringMirror, |
| "SymbolMirror", SymbolMirror, |
| "ObjectMirror", ObjectMirror, |
| "FunctionMirror", FunctionMirror, |
| "UnresolvedFunctionMirror", UnresolvedFunctionMirror, |
| "ArrayMirror", ArrayMirror, |
| "DateMirror", DateMirror, |
| "RegExpMirror", RegExpMirror, |
| "ErrorMirror", ErrorMirror, |
| "PromiseMirror", PromiseMirror, |
| "MapMirror", MapMirror, |
| "SetMirror", SetMirror, |
| "IteratorMirror", IteratorMirror, |
| "GeneratorMirror", GeneratorMirror, |
| "PropertyMirror", PropertyMirror, |
| "InternalPropertyMirror", InternalPropertyMirror, |
| "FrameMirror", FrameMirror, |
| "ScriptMirror", ScriptMirror, |
| "ScopeMirror", ScopeMirror, |
| "FrameDetails", FrameDetails, |
| ]); |
| |
| // Functions needed by the debugger runtime. |
| utils.InstallFunctions(utils, DONT_ENUM, [ |
| "ClearMirrorCache", ClearMirrorCache |
| ]); |
| |
| // Export to debug.js |
| utils.Export(function(to) { |
| to.MirrorType = MirrorType; |
| }); |
| }) |