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Diffstat (limited to 'V8Binding/v8/src/mirror-delay.js')
| -rw-r--r-- | V8Binding/v8/src/mirror-delay.js | 2277 |
1 files changed, 0 insertions, 2277 deletions
diff --git a/V8Binding/v8/src/mirror-delay.js b/V8Binding/v8/src/mirror-delay.js deleted file mode 100644 index c4ab7b8..0000000 --- a/V8Binding/v8/src/mirror-delay.js +++ /dev/null @@ -1,2277 +0,0 @@ -// Copyright 2006-2008 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Touch the RegExp and Date functions to make sure that date-delay.js and -// regexp-delay.js has been loaded. This is required as the mirrors use -// functions within these files through the builtins object. -RegExp; -Date; - - -// Handle id counters. -var next_handle_ = 0; -var next_transient_handle_ = -1; - -// Mirror cache. -var mirror_cache_ = []; - - -/** - * Clear the mirror handle cache. - */ -function ClearMirrorCache() { - next_handle_ = 0; - mirror_cache_ = []; -} - - -/** - * 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) { - for (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_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 { - mirror = new ObjectMirror(value, OBJECT_TYPE, opt_transient); - } - - 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) { - return mirror_cache_[handle]; -} - - -/** - * Returns the mirror for the undefined value. - * - * @returns {Mirror} the mirror reflects the undefined value - */ -function GetUndefinedMirror() { - return MakeMirror(void 0); -} - - -/** - * 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; -} - - -// Type names of the different mirrors. -const UNDEFINED_TYPE = 'undefined'; -const NULL_TYPE = 'null'; -const BOOLEAN_TYPE = 'boolean'; -const NUMBER_TYPE = 'number'; -const STRING_TYPE = 'string'; -const OBJECT_TYPE = 'object'; -const FUNCTION_TYPE = 'function'; -const REGEXP_TYPE = 'regexp'; -const ERROR_TYPE = 'error'; -const PROPERTY_TYPE = 'property'; -const FRAME_TYPE = 'frame'; -const SCRIPT_TYPE = 'script'; -const CONTEXT_TYPE = 'context'; -const SCOPE_TYPE = 'scope'; - -// Maximum length when sending strings through the JSON protocol. -const kMaxProtocolStringLength = 80; - -// Different kind of properties. -PropertyKind = {}; -PropertyKind.Named = 1; -PropertyKind.Indexed = 2; - - -// A copy of the PropertyType enum from global.h -PropertyType = {}; -PropertyType.Normal = 0; -PropertyType.Field = 1; -PropertyType.ConstantFunction = 2; -PropertyType.Callbacks = 3; -PropertyType.Interceptor = 4; -PropertyType.MapTransition = 5; -PropertyType.ConstantTransition = 6; -PropertyType.NullDescriptor = 7; - - -// Different attributes for a property. -PropertyAttribute = {}; -PropertyAttribute.None = NONE; -PropertyAttribute.ReadOnly = READ_ONLY; -PropertyAttribute.DontEnum = DONT_ENUM; -PropertyAttribute.DontDelete = DONT_DELETE; - - -// A copy of the scope types from runtime.cc. -ScopeType = { Global: 0, - Local: 1, - With: 2, - Closure: 3, - Catch: 4 }; - - -// Mirror hierarchy: -// - Mirror -// - ValueMirror -// - UndefinedMirror -// - NullMirror -// - NumberMirror -// - StringMirror -// - ObjectMirror -// - FunctionMirror -// - UnresolvedFunctionMirror -// - ArrayMirror -// - DateMirror -// - RegExpMirror -// - ErrorMirror -// - PropertyMirror -// - FrameMirror -// - ScriptMirror - - -/** - * 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 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 property. - * @returns {boolean} True if the mirror reflects a property - */ -Mirror.prototype.isProperty = function() { - return this instanceof PropertyMirror; -} - - -/** - * 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; -} - - -/** - * Allocate a handle id for this object. - */ -Mirror.prototype.allocateHandle_ = function() { - 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 "#<" + builtins.GetInstanceName(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) { - Mirror.call(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'; -}; - - -/** - * 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() { - ValueMirror.call(this, UNDEFINED_TYPE, void 0); -} -inherits(UndefinedMirror, ValueMirror); - - -UndefinedMirror.prototype.toText = function() { - return 'undefined'; -} - - -/** - * Mirror object for null. - * @constructor - * @extends ValueMirror - */ -function NullMirror() { - ValueMirror.call(this, 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) { - ValueMirror.call(this, 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) { - ValueMirror.call(this, 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) { - ValueMirror.call(this, STRING_TYPE, value); -} -inherits(StringMirror, ValueMirror); - - -StringMirror.prototype.length = function() { - return this.value_.length; -}; - - -StringMirror.prototype.toText = function() { - if (this.length() > kMaxProtocolStringLength) { - return this.value_.substring(0, kMaxProtocolStringLength) + - '... (length: ' + this.length() + ')'; - } else { - return 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) { - ValueMirror.call(this, type || OBJECT_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 = %DebugInterceptorInfo(this.value_); - return (x & 2) != 0; -}; - - -ObjectMirror.prototype.hasIndexedInterceptor = function() { - // Get information on interceptors for this object. - var x = %DebugInterceptorInfo(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(kind, limit) { - // Find kind and limit and allocate array for the result - kind = kind || PropertyKind.Named | PropertyKind.Indexed; - - var propertyNames; - var elementNames; - var total = 0; - - // Find all the named properties. - if (kind & PropertyKind.Named) { - // Get the local property names. - propertyNames = %DebugLocalPropertyNames(this.value_); - total += propertyNames.length; - - // Get names for named interceptor properties if any. - if (this.hasNamedInterceptor() && (kind & PropertyKind.Named)) { - var namedInterceptorNames = - %DebugNamedInterceptorPropertyNames(this.value_); - if (namedInterceptorNames) { - propertyNames = propertyNames.concat(namedInterceptorNames); - total += namedInterceptorNames.length; - } - } - } - - // Find all the indexed properties. - if (kind & PropertyKind.Indexed) { - // Get the local element names. - elementNames = %DebugLocalElementNames(this.value_); - total += elementNames.length; - - // Get names for indexed interceptor properties. - if (this.hasIndexedInterceptor() && (kind & PropertyKind.Indexed)) { - var indexedInterceptorNames = - %DebugIndexedInterceptorElementNames(this.value_); - if (indexedInterceptorNames) { - elementNames = elementNames.concat(indexedInterceptorNames); - total += indexedInterceptorNames.length; - } - } - } - limit = Math.min(limit || total, total); - - var names = new Array(limit); - var index = 0; - - // Copy names for named properties. - if (kind & PropertyKind.Named) { - for (var i = 0; index < limit && i < propertyNames.length; i++) { - names[index++] = propertyNames[i]; - } - } - - // Copy names for indexed properties. - if (kind & PropertyKind.Indexed) { - for (var i = 0; index < limit && i < elementNames.length; i++) { - names[index++] = elementNames[i]; - } - } - - return names; -}; - - -/** - * 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 returend to the - specified value - * @return {Array} Property mirrors for this object - */ -ObjectMirror.prototype.properties = function(kind, limit) { - var names = this.propertyNames(kind, limit); - var properties = new Array(names.length); - for (var i = 0; i < names.length; i++) { - properties[i] = this.property(names[i]); - } - - return properties; -}; - - -ObjectMirror.prototype.property = function(name) { - var details = %DebugGetPropertyDetails(this.value_, %ToString(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 assessors. - var property = properties[i]; - if (property.propertyType() != PropertyType.Callbacks) { - if (%_ObjectEquals(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.isUndefined()) { - name = this.className(); - } else { - name = ctor.name(); - if (!name) { - name = this.className(); - } - } - return '#<' + builtins.GetInstanceName(name) + '>'; -}; - - -/** - * Mirror object for functions. - * @param {function} value The function object reflected by this mirror. - * @constructor - * @extends ObjectMirror - */ -function FunctionMirror(value) { - ObjectMirror.call(this, value, 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 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 builtins.FunctionSourceString(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()) { - var script = %FunctionGetScript(this.value_); - if (script) { - return MakeMirror(script); - } - } -}; - - -/** - * 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.toText = function() { - return this.source(); -} - - -/** - * 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. - ValueMirror.call(this, 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) { - ObjectMirror.call(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 Array(); - var values = new Array(to_index - from_index + 1); - for (var i = from_index; i <= to_index; i++) { - var details = %DebugGetPropertyDetails(this.value_, %ToString(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) { - ObjectMirror.call(this, value); -} -inherits(DateMirror, ObjectMirror); - - -DateMirror.prototype.toText = function() { - var s = JSON.stringify(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) { - ObjectMirror.call(this, value, 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; -}; - - -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) { - ObjectMirror.call(this, value, 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 { - str = builtins.ToDetailString(this.value_); - } catch (e) { - str = '#<an Error>'; - } - return str; -} - - -/** - * 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) { - Mirror.call(this, PROPERTY_TYPE); - this.mirror_ = mirror; - this.name_ = name; - this.value_ = details[0]; - this.details_ = details[1]; - if (details.length > 2) { - this.exception_ = details[2] - this.getter_ = details[3]; - this.setter_ = details[4]; - } -} -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.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_); -} - - -PropertyMirror.prototype.insertionIndex = function() { - return %DebugPropertyIndexFromDetails(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.propertyType() == PropertyType.Interceptor) || - ((this.propertyType() == PropertyType.Callbacks) && - !this.hasGetter() && !this.hasSetter()); -} - - -const kFrameDetailsFrameIdIndex = 0; -const kFrameDetailsReceiverIndex = 1; -const kFrameDetailsFunctionIndex = 2; -const kFrameDetailsArgumentCountIndex = 3; -const kFrameDetailsLocalCountIndex = 4; -const kFrameDetailsSourcePositionIndex = 5; -const kFrameDetailsConstructCallIndex = 6; -const kFrameDetailsDebuggerFrameIndex = 7; -const kFrameDetailsFirstDynamicIndex = 8; - -const kFrameDetailsNameIndex = 0; -const kFrameDetailsValueIndex = 1; -const kFrameDetailsNameValueSize = 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 - * Arguments name, value - * Locals name, value - * @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.isDebuggerFrame = function() { - %CheckExecutionState(this.break_id_); - return this.details_[kFrameDetailsDebuggerFrameIndex]; -} - - -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.scopeCount = function() { - return %GetScopeCount(this.break_id_, this.frameId()); -} - - -/** - * 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) { - Mirror.call(this, FRAME_TYPE); - this.break_id_ = break_id; - this.index_ = index; - this.details_ = new FrameDetails(break_id, index); -} -inherits(FrameMirror, Mirror); - - -FrameMirror.prototype.index = function() { - return this.index_; -}; - - -FrameMirror.prototype.func = function() { - // 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 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.isDebuggerFrame = function() { - return this.details_.isDebuggerFrame(); -}; - - -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.sourcePosition = function() { - return this.details_.sourcePosition(); -}; - - -FrameMirror.prototype.sourceLocation = function() { - if (this.func().resolved() && this.func().script()) { - return this.func().script().locationFromPosition(this.sourcePosition(), - true); - } -}; - - -FrameMirror.prototype.sourceLine = function() { - if (this.func().resolved()) { - var location = this.sourceLocation(); - if (location) { - return location.line; - } - } -}; - - -FrameMirror.prototype.sourceColumn = function() { - if (this.func().resolved()) { - var location = this.sourceLocation(); - if (location) { - return location.column; - } - } -}; - - -FrameMirror.prototype.sourceLineText = function() { - if (this.func().resolved()) { - 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, index); -}; - - -FrameMirror.prototype.evaluate = function(source, disable_break) { - var result = %DebugEvaluate(this.break_id_, this.details_.frameId(), - source, Boolean(disable_break)); - return MakeMirror(result); -}; - - -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.isUndefined()) { - 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.name(); - } else { - result += '['; - result += property.name(); - 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 += ')'; - } - - return result; -} - - -FrameMirror.prototype.sourceAndPositionText = function() { - // Format source and position. - var result = ''; - var func = this.func(); - if (func.resolved()) { - if (func.script()) { - if (func.script().name()) { - result += func.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.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; -} - - -const kScopeDetailsTypeIndex = 0; -const kScopeDetailsObjectIndex = 1; - -function ScopeDetails(frame, index) { - this.break_id_ = frame.break_id_; - this.details_ = %GetScopeDetails(frame.break_id_, - frame.details_.frameId(), - index); -} - - -ScopeDetails.prototype.type = function() { - %CheckExecutionState(this.break_id_); - return this.details_[kScopeDetailsTypeIndex]; -} - - -ScopeDetails.prototype.object = function() { - %CheckExecutionState(this.break_id_); - return this.details_[kScopeDetailsObjectIndex]; -} - - -/** - * Mirror object for scope. - * @param {FrameMirror} frame The frame this scope is a part of - * @param {number} index The scope index in the frame - * @constructor - * @extends Mirror - */ -function ScopeMirror(frame, index) { - Mirror.call(this, SCOPE_TYPE); - this.frame_index_ = frame.index_; - this.scope_index_ = index; - this.details_ = new ScopeDetails(frame, index); -} -inherits(ScopeMirror, Mirror); - - -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 and closure 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; - return MakeMirror(this.details_.object(), transient); -}; - - -/** - * Mirror object for script source. - * @param {Script} script The script object - * @constructor - * @extends Mirror - */ -function ScriptMirror(script) { - Mirror.call(this, 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; -}; - - -ScriptMirror.prototype.id = function() { - return this.script_.id; -}; - - -ScriptMirror.prototype.source = function() { - return 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 this.script_.lineCount(); -}; - - -ScriptMirror.prototype.locationFromPosition = function( - position, include_resource_offset) { - return this.script_.locationFromPosition(position, include_resource_offset); -} - - -ScriptMirror.prototype.sourceSlice = function (opt_from_line, opt_to_line) { - return this.script_.sourceSlice(opt_from_line, opt_to_line); -} - - -ScriptMirror.prototype.context = function() { - return this.context_; -}; - - -ScriptMirror.prototype.evalFromFunction = function() { - return MakeMirror(this.script_.eval_from_function); -}; - - -ScriptMirror.prototype.evalFromLocation = function() { - var eval_from_function = this.evalFromFunction(); - if (!eval_from_function.isUndefined()) { - var position = this.script_.eval_from_position; - return eval_from_function.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) { - Mirror.call(this, 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.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 UNDEFINED_TYPE: - case NULL_TYPE: - case BOOLEAN_TYPE: - case NUMBER_TYPE: - o.value = mirror.value(); - break; - case STRING_TYPE: - // Limit string length. - o.value = mirror.toText(); - break; - case FUNCTION_TYPE: - o.name = mirror.name(); - o.inferredName = mirror.inferredName(); - if (mirror.script()) { - o.scriptId = mirror.script().id(); - } - break; - case ERROR_TYPE: - case REGEXP_TYPE: - o.value = mirror.toText(); - break; - case 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 UNDEFINED_TYPE: - case NULL_TYPE: - // Undefined and null are represented just by their type. - break; - - case BOOLEAN_TYPE: - // Boolean values are simply represented by their value. - content.value = mirror.value(); - break; - - case NUMBER_TYPE: - // Number values are simply represented by their value. - content.value = NumberToJSON_(mirror.value()); - break; - - case STRING_TYPE: - // String values might have their value cropped to keep down size. - if (mirror.length() > kMaxProtocolStringLength) { - var str = mirror.value().substring(0, kMaxProtocolStringLength); - content.value = str; - content.fromIndex = 0; - content.toIndex = kMaxProtocolStringLength; - } else { - content.value = mirror.value(); - } - content.length = mirror.length(); - break; - - case OBJECT_TYPE: - case FUNCTION_TYPE: - case ERROR_TYPE: - case REGEXP_TYPE: - // Add object representation. - this.serializeObject_(mirror, content, details); - break; - - case PROPERTY_TYPE: - throw new Error('PropertyMirror cannot be serialized independeltly') - break; - - case FRAME_TYPE: - // Add object representation. - this.serializeFrame_(mirror, content); - break; - - case SCOPE_TYPE: - // Add object representation. - this.serializeScope_(mirror, content); - break; - - case 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.evalFromFunction().script()) { - content.evalFromScript = - this.serializeReference(mirror.evalFromFunction().script()); - var evalFromLocation = mirror.evalFromLocation() - content.evalFromLocation = { line: evalFromLocation.line, - column: evalFromLocation.column} - } - if (mirror.context()) { - content.context = this.serializeReference(mirror.context()); - } - break; - - case 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>]} - */ -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; - } - - // Add function specific properties. - 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()); - } - } - - // Add date specific properties. - if (mirror.isDate()) { - // Add date specific properties. - content.value = mirror.value(); - } - - // Add actual properties - named properties followed by indexed properties. - var propertyNames = mirror.propertyNames(PropertyKind.Named); - var propertyIndexes = mirror.propertyNames(PropertyKind.Indexed); - var p = new Array(propertyNames.length + propertyIndexes.length); - for (var i = 0; i < propertyNames.length; i++) { - var propertyMirror = mirror.property(propertyNames[i]); - p[i] = this.serializeProperty_(propertyMirror); - if (details) { - this.add_(propertyMirror.value()); - } - } - for (var i = 0; i < propertyIndexes.length; i++) { - var propertyMirror = mirror.property(propertyIndexes[i]); - p[propertyNames.length + i] = this.serializeProperty_(propertyMirror); - if (details) { - this.add_(propertyMirror.value()); - } - } - content.properties = p; -} - - -/** - * 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. - * If the propertyType for the property is PropertyType.Normal it is not added. - * Here are a couple of examples. - * - * {"name":"hello","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(); - } - if (propertyMirror.propertyType() != PropertyType.Normal) { - result.propertyType = propertyMirror.propertyType(); - } - 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); - if (func.script()) { - content.script = this.serializeReference(func.script()); - } - content.constructCall = mirror.isConstructCall(); - content.debuggerFrame = mirror.isDebuggerFrame(); - var x = new Array(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 Array(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; - content.position = mirror.sourcePosition(); - var line = mirror.sourceLine(); - if (!IS_UNDEFINED(line)) { - content.line = line; - } - var column = mirror.sourceColumn(); - if (!IS_UNDEFINED(column)) { - content.column = column; - } - 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 (!isFinite(value)) { - if (value > 0) { - return 'Infinity'; - } else { - return '-Infinity'; - } - } - return value; -} |