Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2006-2012 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 4 | |
| 5 | // Handle id counters. |
| 6 | var next_handle_ = 0; |
| 7 | var next_transient_handle_ = -1; |
| 8 | |
| 9 | // Mirror cache. |
| 10 | var mirror_cache_ = []; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 11 | var mirror_cache_enabled_ = true; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 12 | |
| 13 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 14 | function ToggleMirrorCache(value) { |
| 15 | mirror_cache_enabled_ = value; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 16 | next_handle_ = 0; |
| 17 | mirror_cache_ = []; |
| 18 | } |
| 19 | |
| 20 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 21 | // Wrapper to check whether an object is a Promise. The call may not work |
| 22 | // if promises are not enabled. |
| 23 | // TODO(yangguo): remove try-catch once promises are enabled by default. |
| 24 | function ObjectIsPromise(value) { |
| 25 | try { |
| 26 | return IS_SPEC_OBJECT(value) && |
| 27 | !IS_UNDEFINED(%DebugGetProperty(value, builtins.promiseStatus)); |
| 28 | } catch (e) { |
| 29 | return false; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 34 | /** |
| 35 | * Returns the mirror for a specified value or object. |
| 36 | * |
| 37 | * @param {value or Object} value the value or object to retreive the mirror for |
| 38 | * @param {boolean} transient indicate whether this object is transient and |
| 39 | * should not be added to the mirror cache. The default is not transient. |
| 40 | * @returns {Mirror} the mirror reflects the passed value or object |
| 41 | */ |
| 42 | function MakeMirror(value, opt_transient) { |
| 43 | var mirror; |
| 44 | |
| 45 | // Look for non transient mirrors in the mirror cache. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 46 | if (!opt_transient && mirror_cache_enabled_) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 47 | for (id in mirror_cache_) { |
| 48 | mirror = mirror_cache_[id]; |
| 49 | if (mirror.value() === value) { |
| 50 | return mirror; |
| 51 | } |
| 52 | // Special check for NaN as NaN == NaN is false. |
| 53 | if (mirror.isNumber() && isNaN(mirror.value()) && |
| 54 | typeof value == 'number' && isNaN(value)) { |
| 55 | return mirror; |
| 56 | } |
| 57 | } |
| 58 | } |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 59 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 60 | if (IS_UNDEFINED(value)) { |
| 61 | mirror = new UndefinedMirror(); |
| 62 | } else if (IS_NULL(value)) { |
| 63 | mirror = new NullMirror(); |
| 64 | } else if (IS_BOOLEAN(value)) { |
| 65 | mirror = new BooleanMirror(value); |
| 66 | } else if (IS_NUMBER(value)) { |
| 67 | mirror = new NumberMirror(value); |
| 68 | } else if (IS_STRING(value)) { |
| 69 | mirror = new StringMirror(value); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 70 | } else if (IS_SYMBOL(value)) { |
| 71 | mirror = new SymbolMirror(value); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 72 | } else if (IS_ARRAY(value)) { |
| 73 | mirror = new ArrayMirror(value); |
| 74 | } else if (IS_DATE(value)) { |
| 75 | mirror = new DateMirror(value); |
| 76 | } else if (IS_FUNCTION(value)) { |
| 77 | mirror = new FunctionMirror(value); |
| 78 | } else if (IS_REGEXP(value)) { |
| 79 | mirror = new RegExpMirror(value); |
| 80 | } else if (IS_ERROR(value)) { |
| 81 | mirror = new ErrorMirror(value); |
| 82 | } else if (IS_SCRIPT(value)) { |
| 83 | mirror = new ScriptMirror(value); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 84 | } else if (IS_MAP(value) || IS_WEAKMAP(value)) { |
| 85 | mirror = new MapMirror(value); |
| 86 | } else if (IS_SET(value) || IS_WEAKSET(value)) { |
| 87 | mirror = new SetMirror(value); |
| 88 | } else if (ObjectIsPromise(value)) { |
| 89 | mirror = new PromiseMirror(value); |
| 90 | } else if (IS_GENERATOR(value)) { |
| 91 | mirror = new GeneratorMirror(value); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 92 | } else { |
| 93 | mirror = new ObjectMirror(value, OBJECT_TYPE, opt_transient); |
| 94 | } |
| 95 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 96 | if (mirror_cache_enabled_) mirror_cache_[mirror.handle()] = mirror; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 97 | return mirror; |
| 98 | } |
| 99 | |
| 100 | |
| 101 | /** |
| 102 | * Returns the mirror for a specified mirror handle. |
| 103 | * |
| 104 | * @param {number} handle the handle to find the mirror for |
| 105 | * @returns {Mirror or undefiend} the mirror with the requested handle or |
| 106 | * undefined if no mirror with the requested handle was found |
| 107 | */ |
| 108 | function LookupMirror(handle) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 109 | if (!mirror_cache_enabled_) throw new Error("Mirror cache is disabled"); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 110 | return mirror_cache_[handle]; |
| 111 | } |
| 112 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 113 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 114 | /** |
| 115 | * Returns the mirror for the undefined value. |
| 116 | * |
| 117 | * @returns {Mirror} the mirror reflects the undefined value |
| 118 | */ |
| 119 | function GetUndefinedMirror() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 120 | return MakeMirror(UNDEFINED); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | |
| 124 | /** |
| 125 | * Inherit the prototype methods from one constructor into another. |
| 126 | * |
| 127 | * The Function.prototype.inherits from lang.js rewritten as a standalone |
| 128 | * function (not on Function.prototype). NOTE: If this file is to be loaded |
| 129 | * during bootstrapping this function needs to be revritten using some native |
| 130 | * functions as prototype setup using normal JavaScript does not work as |
| 131 | * expected during bootstrapping (see mirror.js in r114903). |
| 132 | * |
| 133 | * @param {function} ctor Constructor function which needs to inherit the |
| 134 | * prototype |
| 135 | * @param {function} superCtor Constructor function to inherit prototype from |
| 136 | */ |
| 137 | function inherits(ctor, superCtor) { |
| 138 | var tempCtor = function(){}; |
| 139 | tempCtor.prototype = superCtor.prototype; |
| 140 | ctor.super_ = superCtor.prototype; |
| 141 | ctor.prototype = new tempCtor(); |
| 142 | ctor.prototype.constructor = ctor; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | // Type names of the different mirrors. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 147 | var UNDEFINED_TYPE = 'undefined'; |
| 148 | var NULL_TYPE = 'null'; |
| 149 | var BOOLEAN_TYPE = 'boolean'; |
| 150 | var NUMBER_TYPE = 'number'; |
| 151 | var STRING_TYPE = 'string'; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 152 | var SYMBOL_TYPE = 'symbol'; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 153 | var OBJECT_TYPE = 'object'; |
| 154 | var FUNCTION_TYPE = 'function'; |
| 155 | var REGEXP_TYPE = 'regexp'; |
| 156 | var ERROR_TYPE = 'error'; |
| 157 | var PROPERTY_TYPE = 'property'; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 158 | var INTERNAL_PROPERTY_TYPE = 'internalProperty'; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 159 | var FRAME_TYPE = 'frame'; |
| 160 | var SCRIPT_TYPE = 'script'; |
| 161 | var CONTEXT_TYPE = 'context'; |
| 162 | var SCOPE_TYPE = 'scope'; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 163 | var PROMISE_TYPE = 'promise'; |
| 164 | var MAP_TYPE = 'map'; |
| 165 | var SET_TYPE = 'set'; |
| 166 | var GENERATOR_TYPE = 'generator'; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 167 | |
| 168 | // Maximum length when sending strings through the JSON protocol. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 169 | var kMaxProtocolStringLength = 80; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 170 | |
| 171 | // Different kind of properties. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 172 | var PropertyKind = {}; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 173 | PropertyKind.Named = 1; |
| 174 | PropertyKind.Indexed = 2; |
| 175 | |
| 176 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 177 | // A copy of the PropertyType enum from property-details.h |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 178 | var PropertyType = {}; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 179 | PropertyType.Normal = 0; |
| 180 | PropertyType.Field = 1; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 181 | PropertyType.Constant = 2; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 182 | PropertyType.Callbacks = 3; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 183 | |
| 184 | |
| 185 | // Different attributes for a property. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 186 | var PropertyAttribute = {}; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 187 | PropertyAttribute.None = NONE; |
| 188 | PropertyAttribute.ReadOnly = READ_ONLY; |
| 189 | PropertyAttribute.DontEnum = DONT_ENUM; |
| 190 | PropertyAttribute.DontDelete = DONT_DELETE; |
| 191 | |
| 192 | |
| 193 | // A copy of the scope types from runtime.cc. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 194 | var ScopeType = { Global: 0, |
| 195 | Local: 1, |
| 196 | With: 2, |
| 197 | Closure: 3, |
| 198 | Catch: 4, |
| 199 | Block: 5 }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 200 | |
| 201 | |
| 202 | // Mirror hierarchy: |
| 203 | // - Mirror |
| 204 | // - ValueMirror |
| 205 | // - UndefinedMirror |
| 206 | // - NullMirror |
| 207 | // - NumberMirror |
| 208 | // - StringMirror |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 209 | // - SymbolMirror |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 210 | // - ObjectMirror |
| 211 | // - FunctionMirror |
| 212 | // - UnresolvedFunctionMirror |
| 213 | // - ArrayMirror |
| 214 | // - DateMirror |
| 215 | // - RegExpMirror |
| 216 | // - ErrorMirror |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 217 | // - PromiseMirror |
| 218 | // - MapMirror |
| 219 | // - SetMirror |
| 220 | // - GeneratorMirror |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 221 | // - PropertyMirror |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 222 | // - InternalPropertyMirror |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 223 | // - FrameMirror |
| 224 | // - ScriptMirror |
| 225 | |
| 226 | |
| 227 | /** |
| 228 | * Base class for all mirror objects. |
| 229 | * @param {string} type The type of the mirror |
| 230 | * @constructor |
| 231 | */ |
| 232 | function Mirror(type) { |
| 233 | this.type_ = type; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 234 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 235 | |
| 236 | |
| 237 | Mirror.prototype.type = function() { |
| 238 | return this.type_; |
| 239 | }; |
| 240 | |
| 241 | |
| 242 | /** |
| 243 | * Check whether the mirror reflects a value. |
| 244 | * @returns {boolean} True if the mirror reflects a value. |
| 245 | */ |
| 246 | Mirror.prototype.isValue = function() { |
| 247 | return this instanceof ValueMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 248 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 249 | |
| 250 | |
| 251 | /** |
| 252 | * Check whether the mirror reflects the undefined value. |
| 253 | * @returns {boolean} True if the mirror reflects the undefined value. |
| 254 | */ |
| 255 | Mirror.prototype.isUndefined = function() { |
| 256 | return this instanceof UndefinedMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 257 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 258 | |
| 259 | |
| 260 | /** |
| 261 | * Check whether the mirror reflects the null value. |
| 262 | * @returns {boolean} True if the mirror reflects the null value |
| 263 | */ |
| 264 | Mirror.prototype.isNull = function() { |
| 265 | return this instanceof NullMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 266 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 267 | |
| 268 | |
| 269 | /** |
| 270 | * Check whether the mirror reflects a boolean value. |
| 271 | * @returns {boolean} True if the mirror reflects a boolean value |
| 272 | */ |
| 273 | Mirror.prototype.isBoolean = function() { |
| 274 | return this instanceof BooleanMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 275 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 276 | |
| 277 | |
| 278 | /** |
| 279 | * Check whether the mirror reflects a number value. |
| 280 | * @returns {boolean} True if the mirror reflects a number value |
| 281 | */ |
| 282 | Mirror.prototype.isNumber = function() { |
| 283 | return this instanceof NumberMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 284 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 285 | |
| 286 | |
| 287 | /** |
| 288 | * Check whether the mirror reflects a string value. |
| 289 | * @returns {boolean} True if the mirror reflects a string value |
| 290 | */ |
| 291 | Mirror.prototype.isString = function() { |
| 292 | return this instanceof StringMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 293 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 294 | |
| 295 | |
| 296 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 297 | * Check whether the mirror reflects a symbol. |
| 298 | * @returns {boolean} True if the mirror reflects a symbol |
| 299 | */ |
| 300 | Mirror.prototype.isSymbol = function() { |
| 301 | return this instanceof SymbolMirror; |
| 302 | }; |
| 303 | |
| 304 | |
| 305 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 306 | * Check whether the mirror reflects an object. |
| 307 | * @returns {boolean} True if the mirror reflects an object |
| 308 | */ |
| 309 | Mirror.prototype.isObject = function() { |
| 310 | return this instanceof ObjectMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 311 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 312 | |
| 313 | |
| 314 | /** |
| 315 | * Check whether the mirror reflects a function. |
| 316 | * @returns {boolean} True if the mirror reflects a function |
| 317 | */ |
| 318 | Mirror.prototype.isFunction = function() { |
| 319 | return this instanceof FunctionMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 320 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 321 | |
| 322 | |
| 323 | /** |
| 324 | * Check whether the mirror reflects an unresolved function. |
| 325 | * @returns {boolean} True if the mirror reflects an unresolved function |
| 326 | */ |
| 327 | Mirror.prototype.isUnresolvedFunction = function() { |
| 328 | return this instanceof UnresolvedFunctionMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 329 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 330 | |
| 331 | |
| 332 | /** |
| 333 | * Check whether the mirror reflects an array. |
| 334 | * @returns {boolean} True if the mirror reflects an array |
| 335 | */ |
| 336 | Mirror.prototype.isArray = function() { |
| 337 | return this instanceof ArrayMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 338 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 339 | |
| 340 | |
| 341 | /** |
| 342 | * Check whether the mirror reflects a date. |
| 343 | * @returns {boolean} True if the mirror reflects a date |
| 344 | */ |
| 345 | Mirror.prototype.isDate = function() { |
| 346 | return this instanceof DateMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 347 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 348 | |
| 349 | |
| 350 | /** |
| 351 | * Check whether the mirror reflects a regular expression. |
| 352 | * @returns {boolean} True if the mirror reflects a regular expression |
| 353 | */ |
| 354 | Mirror.prototype.isRegExp = function() { |
| 355 | return this instanceof RegExpMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 356 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 357 | |
| 358 | |
| 359 | /** |
| 360 | * Check whether the mirror reflects an error. |
| 361 | * @returns {boolean} True if the mirror reflects an error |
| 362 | */ |
| 363 | Mirror.prototype.isError = function() { |
| 364 | return this instanceof ErrorMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 365 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 366 | |
| 367 | |
| 368 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 369 | * Check whether the mirror reflects a promise. |
| 370 | * @returns {boolean} True if the mirror reflects a promise |
| 371 | */ |
| 372 | Mirror.prototype.isPromise = function() { |
| 373 | return this instanceof PromiseMirror; |
| 374 | }; |
| 375 | |
| 376 | |
| 377 | /** |
| 378 | * Check whether the mirror reflects a generator object. |
| 379 | * @returns {boolean} True if the mirror reflects a generator object |
| 380 | */ |
| 381 | Mirror.prototype.isGenerator = function() { |
| 382 | return this instanceof GeneratorMirror; |
| 383 | }; |
| 384 | |
| 385 | |
| 386 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 387 | * Check whether the mirror reflects a property. |
| 388 | * @returns {boolean} True if the mirror reflects a property |
| 389 | */ |
| 390 | Mirror.prototype.isProperty = function() { |
| 391 | return this instanceof PropertyMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 392 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 393 | |
| 394 | |
| 395 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 396 | * Check whether the mirror reflects an internal property. |
| 397 | * @returns {boolean} True if the mirror reflects an internal property |
| 398 | */ |
| 399 | Mirror.prototype.isInternalProperty = function() { |
| 400 | return this instanceof InternalPropertyMirror; |
| 401 | }; |
| 402 | |
| 403 | |
| 404 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 405 | * Check whether the mirror reflects a stack frame. |
| 406 | * @returns {boolean} True if the mirror reflects a stack frame |
| 407 | */ |
| 408 | Mirror.prototype.isFrame = function() { |
| 409 | return this instanceof FrameMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 410 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 411 | |
| 412 | |
| 413 | /** |
| 414 | * Check whether the mirror reflects a script. |
| 415 | * @returns {boolean} True if the mirror reflects a script |
| 416 | */ |
| 417 | Mirror.prototype.isScript = function() { |
| 418 | return this instanceof ScriptMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 419 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 420 | |
| 421 | |
| 422 | /** |
| 423 | * Check whether the mirror reflects a context. |
| 424 | * @returns {boolean} True if the mirror reflects a context |
| 425 | */ |
| 426 | Mirror.prototype.isContext = function() { |
| 427 | return this instanceof ContextMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 428 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 429 | |
| 430 | |
| 431 | /** |
| 432 | * Check whether the mirror reflects a scope. |
| 433 | * @returns {boolean} True if the mirror reflects a scope |
| 434 | */ |
| 435 | Mirror.prototype.isScope = function() { |
| 436 | return this instanceof ScopeMirror; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 437 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 438 | |
| 439 | |
| 440 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 441 | * Check whether the mirror reflects a map. |
| 442 | * @returns {boolean} True if the mirror reflects a map |
| 443 | */ |
| 444 | Mirror.prototype.isMap = function() { |
| 445 | return this instanceof MapMirror; |
| 446 | }; |
| 447 | |
| 448 | |
| 449 | /** |
| 450 | * Check whether the mirror reflects a set. |
| 451 | * @returns {boolean} True if the mirror reflects a set |
| 452 | */ |
| 453 | Mirror.prototype.isSet = function() { |
| 454 | return this instanceof SetMirror; |
| 455 | }; |
| 456 | |
| 457 | |
| 458 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 459 | * Allocate a handle id for this object. |
| 460 | */ |
| 461 | Mirror.prototype.allocateHandle_ = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 462 | if (mirror_cache_enabled_) this.handle_ = next_handle_++; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 463 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 464 | |
| 465 | |
| 466 | /** |
| 467 | * Allocate a transient handle id for this object. Transient handles are |
| 468 | * negative. |
| 469 | */ |
| 470 | Mirror.prototype.allocateTransientHandle_ = function() { |
| 471 | this.handle_ = next_transient_handle_--; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 472 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 473 | |
| 474 | |
| 475 | Mirror.prototype.toText = function() { |
| 476 | // Simpel to text which is used when on specialization in subclass. |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 477 | return "#<" + this.constructor.name + ">"; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 478 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 479 | |
| 480 | |
| 481 | /** |
| 482 | * Base class for all value mirror objects. |
| 483 | * @param {string} type The type of the mirror |
| 484 | * @param {value} value The value reflected by this mirror |
| 485 | * @param {boolean} transient indicate whether this object is transient with a |
| 486 | * transient handle |
| 487 | * @constructor |
| 488 | * @extends Mirror |
| 489 | */ |
| 490 | function ValueMirror(type, value, transient) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 491 | %_CallFunction(this, type, Mirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 492 | this.value_ = value; |
| 493 | if (!transient) { |
| 494 | this.allocateHandle_(); |
| 495 | } else { |
| 496 | this.allocateTransientHandle_(); |
| 497 | } |
| 498 | } |
| 499 | inherits(ValueMirror, Mirror); |
| 500 | |
| 501 | |
| 502 | Mirror.prototype.handle = function() { |
| 503 | return this.handle_; |
| 504 | }; |
| 505 | |
| 506 | |
| 507 | /** |
| 508 | * Check whether this is a primitive value. |
| 509 | * @return {boolean} True if the mirror reflects a primitive value |
| 510 | */ |
| 511 | ValueMirror.prototype.isPrimitive = function() { |
| 512 | var type = this.type(); |
| 513 | return type === 'undefined' || |
| 514 | type === 'null' || |
| 515 | type === 'boolean' || |
| 516 | type === 'number' || |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 517 | type === 'string' || |
| 518 | type === 'symbol'; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 519 | }; |
| 520 | |
| 521 | |
| 522 | /** |
| 523 | * Get the actual value reflected by this mirror. |
| 524 | * @return {value} The value reflected by this mirror |
| 525 | */ |
| 526 | ValueMirror.prototype.value = function() { |
| 527 | return this.value_; |
| 528 | }; |
| 529 | |
| 530 | |
| 531 | /** |
| 532 | * Mirror object for Undefined. |
| 533 | * @constructor |
| 534 | * @extends ValueMirror |
| 535 | */ |
| 536 | function UndefinedMirror() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 537 | %_CallFunction(this, UNDEFINED_TYPE, UNDEFINED, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 538 | } |
| 539 | inherits(UndefinedMirror, ValueMirror); |
| 540 | |
| 541 | |
| 542 | UndefinedMirror.prototype.toText = function() { |
| 543 | return 'undefined'; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 544 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 545 | |
| 546 | |
| 547 | /** |
| 548 | * Mirror object for null. |
| 549 | * @constructor |
| 550 | * @extends ValueMirror |
| 551 | */ |
| 552 | function NullMirror() { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 553 | %_CallFunction(this, NULL_TYPE, null, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 554 | } |
| 555 | inherits(NullMirror, ValueMirror); |
| 556 | |
| 557 | |
| 558 | NullMirror.prototype.toText = function() { |
| 559 | return 'null'; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 560 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 561 | |
| 562 | |
| 563 | /** |
| 564 | * Mirror object for boolean values. |
| 565 | * @param {boolean} value The boolean value reflected by this mirror |
| 566 | * @constructor |
| 567 | * @extends ValueMirror |
| 568 | */ |
| 569 | function BooleanMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 570 | %_CallFunction(this, BOOLEAN_TYPE, value, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 571 | } |
| 572 | inherits(BooleanMirror, ValueMirror); |
| 573 | |
| 574 | |
| 575 | BooleanMirror.prototype.toText = function() { |
| 576 | return this.value_ ? 'true' : 'false'; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 577 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 578 | |
| 579 | |
| 580 | /** |
| 581 | * Mirror object for number values. |
| 582 | * @param {number} value The number value reflected by this mirror |
| 583 | * @constructor |
| 584 | * @extends ValueMirror |
| 585 | */ |
| 586 | function NumberMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 587 | %_CallFunction(this, NUMBER_TYPE, value, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 588 | } |
| 589 | inherits(NumberMirror, ValueMirror); |
| 590 | |
| 591 | |
| 592 | NumberMirror.prototype.toText = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 593 | return %_NumberToString(this.value_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 594 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 595 | |
| 596 | |
| 597 | /** |
| 598 | * Mirror object for string values. |
| 599 | * @param {string} value The string value reflected by this mirror |
| 600 | * @constructor |
| 601 | * @extends ValueMirror |
| 602 | */ |
| 603 | function StringMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 604 | %_CallFunction(this, STRING_TYPE, value, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 605 | } |
| 606 | inherits(StringMirror, ValueMirror); |
| 607 | |
| 608 | |
| 609 | StringMirror.prototype.length = function() { |
| 610 | return this.value_.length; |
| 611 | }; |
| 612 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 613 | StringMirror.prototype.getTruncatedValue = function(maxLength) { |
| 614 | if (maxLength != -1 && this.length() > maxLength) { |
| 615 | return this.value_.substring(0, maxLength) + |
| 616 | '... (length: ' + this.length() + ')'; |
| 617 | } |
| 618 | return this.value_; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 619 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 620 | |
| 621 | StringMirror.prototype.toText = function() { |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 622 | return this.getTruncatedValue(kMaxProtocolStringLength); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 623 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 624 | |
| 625 | |
| 626 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 627 | * Mirror object for a Symbol |
| 628 | * @param {Object} value The Symbol |
| 629 | * @constructor |
| 630 | * @extends Mirror |
| 631 | */ |
| 632 | function SymbolMirror(value) { |
| 633 | %_CallFunction(this, SYMBOL_TYPE, value, ValueMirror); |
| 634 | } |
| 635 | inherits(SymbolMirror, ValueMirror); |
| 636 | |
| 637 | |
| 638 | SymbolMirror.prototype.description = function() { |
| 639 | return %SymbolDescription(%_ValueOf(this.value_)); |
| 640 | } |
| 641 | |
| 642 | |
| 643 | SymbolMirror.prototype.toText = function() { |
| 644 | return %_CallFunction(this.value_, builtins.SymbolToString); |
| 645 | } |
| 646 | |
| 647 | |
| 648 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 649 | * Mirror object for objects. |
| 650 | * @param {object} value The object reflected by this mirror |
| 651 | * @param {boolean} transient indicate whether this object is transient with a |
| 652 | * transient handle |
| 653 | * @constructor |
| 654 | * @extends ValueMirror |
| 655 | */ |
| 656 | function ObjectMirror(value, type, transient) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 657 | %_CallFunction(this, type || OBJECT_TYPE, value, transient, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 658 | } |
| 659 | inherits(ObjectMirror, ValueMirror); |
| 660 | |
| 661 | |
| 662 | ObjectMirror.prototype.className = function() { |
| 663 | return %_ClassOf(this.value_); |
| 664 | }; |
| 665 | |
| 666 | |
| 667 | ObjectMirror.prototype.constructorFunction = function() { |
| 668 | return MakeMirror(%DebugGetProperty(this.value_, 'constructor')); |
| 669 | }; |
| 670 | |
| 671 | |
| 672 | ObjectMirror.prototype.prototypeObject = function() { |
| 673 | return MakeMirror(%DebugGetProperty(this.value_, 'prototype')); |
| 674 | }; |
| 675 | |
| 676 | |
| 677 | ObjectMirror.prototype.protoObject = function() { |
| 678 | return MakeMirror(%DebugGetPrototype(this.value_)); |
| 679 | }; |
| 680 | |
| 681 | |
| 682 | ObjectMirror.prototype.hasNamedInterceptor = function() { |
| 683 | // Get information on interceptors for this object. |
| 684 | var x = %GetInterceptorInfo(this.value_); |
| 685 | return (x & 2) != 0; |
| 686 | }; |
| 687 | |
| 688 | |
| 689 | ObjectMirror.prototype.hasIndexedInterceptor = function() { |
| 690 | // Get information on interceptors for this object. |
| 691 | var x = %GetInterceptorInfo(this.value_); |
| 692 | return (x & 1) != 0; |
| 693 | }; |
| 694 | |
| 695 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 696 | // Get all own property names except for private symbols. |
| 697 | function TryGetPropertyNames(object) { |
| 698 | try { |
| 699 | // TODO(yangguo): Should there be a special debugger implementation of |
| 700 | // %GetOwnPropertyNames that doesn't perform access checks? |
| 701 | return %GetOwnPropertyNames(object, PROPERTY_ATTRIBUTES_PRIVATE_SYMBOL); |
| 702 | } catch (e) { |
| 703 | // Might have hit a failed access check. |
| 704 | return []; |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 709 | /** |
| 710 | * Return the property names for this object. |
| 711 | * @param {number} kind Indicate whether named, indexed or both kinds of |
| 712 | * properties are requested |
| 713 | * @param {number} limit Limit the number of names returend to the specified |
| 714 | value |
| 715 | * @return {Array} Property names for this object |
| 716 | */ |
| 717 | ObjectMirror.prototype.propertyNames = function(kind, limit) { |
| 718 | // Find kind and limit and allocate array for the result |
| 719 | kind = kind || PropertyKind.Named | PropertyKind.Indexed; |
| 720 | |
| 721 | var propertyNames; |
| 722 | var elementNames; |
| 723 | var total = 0; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 724 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 725 | // Find all the named properties. |
| 726 | if (kind & PropertyKind.Named) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 727 | propertyNames = TryGetPropertyNames(this.value_); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 728 | total += propertyNames.length; |
| 729 | |
| 730 | // Get names for named interceptor properties if any. |
| 731 | if (this.hasNamedInterceptor() && (kind & PropertyKind.Named)) { |
| 732 | var namedInterceptorNames = |
| 733 | %GetNamedInterceptorPropertyNames(this.value_); |
| 734 | if (namedInterceptorNames) { |
| 735 | propertyNames = propertyNames.concat(namedInterceptorNames); |
| 736 | total += namedInterceptorNames.length; |
| 737 | } |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | // Find all the indexed properties. |
| 742 | if (kind & PropertyKind.Indexed) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 743 | // Get own element names. |
| 744 | elementNames = %GetOwnElementNames(this.value_); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 745 | total += elementNames.length; |
| 746 | |
| 747 | // Get names for indexed interceptor properties. |
| 748 | if (this.hasIndexedInterceptor() && (kind & PropertyKind.Indexed)) { |
| 749 | var indexedInterceptorNames = |
| 750 | %GetIndexedInterceptorElementNames(this.value_); |
| 751 | if (indexedInterceptorNames) { |
| 752 | elementNames = elementNames.concat(indexedInterceptorNames); |
| 753 | total += indexedInterceptorNames.length; |
| 754 | } |
| 755 | } |
| 756 | } |
| 757 | limit = Math.min(limit || total, total); |
| 758 | |
| 759 | var names = new Array(limit); |
| 760 | var index = 0; |
| 761 | |
| 762 | // Copy names for named properties. |
| 763 | if (kind & PropertyKind.Named) { |
| 764 | for (var i = 0; index < limit && i < propertyNames.length; i++) { |
| 765 | names[index++] = propertyNames[i]; |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | // Copy names for indexed properties. |
| 770 | if (kind & PropertyKind.Indexed) { |
| 771 | for (var i = 0; index < limit && i < elementNames.length; i++) { |
| 772 | names[index++] = elementNames[i]; |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | return names; |
| 777 | }; |
| 778 | |
| 779 | |
| 780 | /** |
| 781 | * Return the properties for this object as an array of PropertyMirror objects. |
| 782 | * @param {number} kind Indicate whether named, indexed or both kinds of |
| 783 | * properties are requested |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 784 | * @param {number} limit Limit the number of properties returned to the |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 785 | specified value |
| 786 | * @return {Array} Property mirrors for this object |
| 787 | */ |
| 788 | ObjectMirror.prototype.properties = function(kind, limit) { |
| 789 | var names = this.propertyNames(kind, limit); |
| 790 | var properties = new Array(names.length); |
| 791 | for (var i = 0; i < names.length; i++) { |
| 792 | properties[i] = this.property(names[i]); |
| 793 | } |
| 794 | |
| 795 | return properties; |
| 796 | }; |
| 797 | |
| 798 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 799 | /** |
| 800 | * Return the internal properties for this object as an array of |
| 801 | * InternalPropertyMirror objects. |
| 802 | * @return {Array} Property mirrors for this object |
| 803 | */ |
| 804 | ObjectMirror.prototype.internalProperties = function() { |
| 805 | return ObjectMirror.GetInternalProperties(this.value_); |
| 806 | } |
| 807 | |
| 808 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 809 | ObjectMirror.prototype.property = function(name) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 810 | var details = %DebugGetPropertyDetails(this.value_, %ToName(name)); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 811 | if (details) { |
| 812 | return new PropertyMirror(this, name, details); |
| 813 | } |
| 814 | |
| 815 | // Nothing found. |
| 816 | return GetUndefinedMirror(); |
| 817 | }; |
| 818 | |
| 819 | |
| 820 | |
| 821 | /** |
| 822 | * Try to find a property from its value. |
| 823 | * @param {Mirror} value The property value to look for |
| 824 | * @return {PropertyMirror} The property with the specified value. If no |
| 825 | * property was found with the specified value UndefinedMirror is returned |
| 826 | */ |
| 827 | ObjectMirror.prototype.lookupProperty = function(value) { |
| 828 | var properties = this.properties(); |
| 829 | |
| 830 | // Look for property value in properties. |
| 831 | for (var i = 0; i < properties.length; i++) { |
| 832 | |
| 833 | // Skip properties which are defined through assessors. |
| 834 | var property = properties[i]; |
| 835 | if (property.propertyType() != PropertyType.Callbacks) { |
| 836 | if (%_ObjectEquals(property.value_, value.value_)) { |
| 837 | return property; |
| 838 | } |
| 839 | } |
| 840 | } |
| 841 | |
| 842 | // Nothing found. |
| 843 | return GetUndefinedMirror(); |
| 844 | }; |
| 845 | |
| 846 | |
| 847 | /** |
| 848 | * Returns objects which has direct references to this object |
| 849 | * @param {number} opt_max_objects Optional parameter specifying the maximum |
| 850 | * number of referencing objects to return. |
| 851 | * @return {Array} The objects which has direct references to this object. |
| 852 | */ |
| 853 | ObjectMirror.prototype.referencedBy = function(opt_max_objects) { |
| 854 | // Find all objects with direct references to this object. |
| 855 | var result = %DebugReferencedBy(this.value_, |
| 856 | Mirror.prototype, opt_max_objects || 0); |
| 857 | |
| 858 | // Make mirrors for all the references found. |
| 859 | for (var i = 0; i < result.length; i++) { |
| 860 | result[i] = MakeMirror(result[i]); |
| 861 | } |
| 862 | |
| 863 | return result; |
| 864 | }; |
| 865 | |
| 866 | |
| 867 | ObjectMirror.prototype.toText = function() { |
| 868 | var name; |
| 869 | var ctor = this.constructorFunction(); |
| 870 | if (!ctor.isFunction()) { |
| 871 | name = this.className(); |
| 872 | } else { |
| 873 | name = ctor.name(); |
| 874 | if (!name) { |
| 875 | name = this.className(); |
| 876 | } |
| 877 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 878 | return '#<' + name + '>'; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 879 | }; |
| 880 | |
| 881 | |
| 882 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 883 | * Return the internal properties of the value, such as [[PrimitiveValue]] of |
| 884 | * scalar wrapper objects, properties of the bound function and properties of |
| 885 | * the promise. |
| 886 | * This method is done static to be accessible from Debug API with the bare |
| 887 | * values without mirrors. |
| 888 | * @return {Array} array (possibly empty) of InternalProperty instances |
| 889 | */ |
| 890 | ObjectMirror.GetInternalProperties = function(value) { |
| 891 | if (IS_STRING_WRAPPER(value) || IS_NUMBER_WRAPPER(value) || |
| 892 | IS_BOOLEAN_WRAPPER(value)) { |
| 893 | var primitiveValue = %_ValueOf(value); |
| 894 | return [new InternalPropertyMirror("[[PrimitiveValue]]", primitiveValue)]; |
| 895 | } else if (IS_FUNCTION(value)) { |
| 896 | var bindings = %BoundFunctionGetBindings(value); |
| 897 | var result = []; |
| 898 | if (bindings && IS_ARRAY(bindings)) { |
| 899 | result.push(new InternalPropertyMirror("[[TargetFunction]]", |
| 900 | bindings[0])); |
| 901 | result.push(new InternalPropertyMirror("[[BoundThis]]", bindings[1])); |
| 902 | var boundArgs = []; |
| 903 | for (var i = 2; i < bindings.length; i++) { |
| 904 | boundArgs.push(bindings[i]); |
| 905 | } |
| 906 | result.push(new InternalPropertyMirror("[[BoundArgs]]", boundArgs)); |
| 907 | } |
| 908 | return result; |
| 909 | } else if (ObjectIsPromise(value)) { |
| 910 | var result = []; |
| 911 | result.push(new InternalPropertyMirror("[[PromiseStatus]]", |
| 912 | PromiseGetStatus_(value))); |
| 913 | result.push(new InternalPropertyMirror("[[PromiseValue]]", |
| 914 | PromiseGetValue_(value))); |
| 915 | return result; |
| 916 | } |
| 917 | return []; |
| 918 | } |
| 919 | |
| 920 | |
| 921 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 922 | * Mirror object for functions. |
| 923 | * @param {function} value The function object reflected by this mirror. |
| 924 | * @constructor |
| 925 | * @extends ObjectMirror |
| 926 | */ |
| 927 | function FunctionMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 928 | %_CallFunction(this, value, FUNCTION_TYPE, ObjectMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 929 | this.resolved_ = true; |
| 930 | } |
| 931 | inherits(FunctionMirror, ObjectMirror); |
| 932 | |
| 933 | |
| 934 | /** |
| 935 | * Returns whether the function is resolved. |
| 936 | * @return {boolean} True if the function is resolved. Unresolved functions can |
| 937 | * only originate as functions from stack frames |
| 938 | */ |
| 939 | FunctionMirror.prototype.resolved = function() { |
| 940 | return this.resolved_; |
| 941 | }; |
| 942 | |
| 943 | |
| 944 | /** |
| 945 | * Returns the name of the function. |
| 946 | * @return {string} Name of the function |
| 947 | */ |
| 948 | FunctionMirror.prototype.name = function() { |
| 949 | return %FunctionGetName(this.value_); |
| 950 | }; |
| 951 | |
| 952 | |
| 953 | /** |
| 954 | * Returns the inferred name of the function. |
| 955 | * @return {string} Name of the function |
| 956 | */ |
| 957 | FunctionMirror.prototype.inferredName = function() { |
| 958 | return %FunctionGetInferredName(this.value_); |
| 959 | }; |
| 960 | |
| 961 | |
| 962 | /** |
| 963 | * Returns the source code for the function. |
| 964 | * @return {string or undefined} The source code for the function. If the |
| 965 | * function is not resolved undefined will be returned. |
| 966 | */ |
| 967 | FunctionMirror.prototype.source = function() { |
| 968 | // Return source if function is resolved. Otherwise just fall through to |
| 969 | // return undefined. |
| 970 | if (this.resolved()) { |
| 971 | return builtins.FunctionSourceString(this.value_); |
| 972 | } |
| 973 | }; |
| 974 | |
| 975 | |
| 976 | /** |
| 977 | * Returns the script object for the function. |
| 978 | * @return {ScriptMirror or undefined} Script object for the function or |
| 979 | * undefined if the function has no script |
| 980 | */ |
| 981 | FunctionMirror.prototype.script = function() { |
| 982 | // Return script if function is resolved. Otherwise just fall through |
| 983 | // to return undefined. |
| 984 | if (this.resolved()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 985 | if (this.script_) { |
| 986 | return this.script_; |
| 987 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 988 | var script = %FunctionGetScript(this.value_); |
| 989 | if (script) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 990 | return this.script_ = MakeMirror(script); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 991 | } |
| 992 | } |
| 993 | }; |
| 994 | |
| 995 | |
| 996 | /** |
| 997 | * Returns the script source position for the function. Only makes sense |
| 998 | * for functions which has a script defined. |
| 999 | * @return {Number or undefined} in-script position for the function |
| 1000 | */ |
| 1001 | FunctionMirror.prototype.sourcePosition_ = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1002 | // Return position if function is resolved. Otherwise just fall |
| 1003 | // through to return undefined. |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1004 | if (this.resolved()) { |
| 1005 | return %FunctionGetScriptSourcePosition(this.value_); |
| 1006 | } |
| 1007 | }; |
| 1008 | |
| 1009 | |
| 1010 | /** |
| 1011 | * Returns the script source location object for the function. Only makes sense |
| 1012 | * for functions which has a script defined. |
| 1013 | * @return {Location or undefined} in-script location for the function begin |
| 1014 | */ |
| 1015 | FunctionMirror.prototype.sourceLocation = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1016 | if (this.resolved()) { |
| 1017 | var script = this.script(); |
| 1018 | if (script) { |
| 1019 | return script.locationFromPosition(this.sourcePosition_(), true); |
| 1020 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1021 | } |
| 1022 | }; |
| 1023 | |
| 1024 | |
| 1025 | /** |
| 1026 | * Returns objects constructed by this function. |
| 1027 | * @param {number} opt_max_instances Optional parameter specifying the maximum |
| 1028 | * number of instances to return. |
| 1029 | * @return {Array or undefined} The objects constructed by this function. |
| 1030 | */ |
| 1031 | FunctionMirror.prototype.constructedBy = function(opt_max_instances) { |
| 1032 | if (this.resolved()) { |
| 1033 | // Find all objects constructed from this function. |
| 1034 | var result = %DebugConstructedBy(this.value_, opt_max_instances || 0); |
| 1035 | |
| 1036 | // Make mirrors for all the instances found. |
| 1037 | for (var i = 0; i < result.length; i++) { |
| 1038 | result[i] = MakeMirror(result[i]); |
| 1039 | } |
| 1040 | |
| 1041 | return result; |
| 1042 | } else { |
| 1043 | return []; |
| 1044 | } |
| 1045 | }; |
| 1046 | |
| 1047 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1048 | FunctionMirror.prototype.scopeCount = function() { |
| 1049 | if (this.resolved()) { |
| 1050 | if (IS_UNDEFINED(this.scopeCount_)) { |
| 1051 | this.scopeCount_ = %GetFunctionScopeCount(this.value()); |
| 1052 | } |
| 1053 | return this.scopeCount_; |
| 1054 | } else { |
| 1055 | return 0; |
| 1056 | } |
| 1057 | }; |
| 1058 | |
| 1059 | |
| 1060 | FunctionMirror.prototype.scope = function(index) { |
| 1061 | if (this.resolved()) { |
| 1062 | return new ScopeMirror(UNDEFINED, this, index); |
| 1063 | } |
| 1064 | }; |
| 1065 | |
| 1066 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1067 | FunctionMirror.prototype.toText = function() { |
| 1068 | return this.source(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1069 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1070 | |
| 1071 | |
| 1072 | /** |
| 1073 | * Mirror object for unresolved functions. |
| 1074 | * @param {string} value The name for the unresolved function reflected by this |
| 1075 | * mirror. |
| 1076 | * @constructor |
| 1077 | * @extends ObjectMirror |
| 1078 | */ |
| 1079 | function UnresolvedFunctionMirror(value) { |
| 1080 | // Construct this using the ValueMirror as an unresolved function is not a |
| 1081 | // real object but just a string. |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1082 | %_CallFunction(this, FUNCTION_TYPE, value, ValueMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1083 | this.propertyCount_ = 0; |
| 1084 | this.elementCount_ = 0; |
| 1085 | this.resolved_ = false; |
| 1086 | } |
| 1087 | inherits(UnresolvedFunctionMirror, FunctionMirror); |
| 1088 | |
| 1089 | |
| 1090 | UnresolvedFunctionMirror.prototype.className = function() { |
| 1091 | return 'Function'; |
| 1092 | }; |
| 1093 | |
| 1094 | |
| 1095 | UnresolvedFunctionMirror.prototype.constructorFunction = function() { |
| 1096 | return GetUndefinedMirror(); |
| 1097 | }; |
| 1098 | |
| 1099 | |
| 1100 | UnresolvedFunctionMirror.prototype.prototypeObject = function() { |
| 1101 | return GetUndefinedMirror(); |
| 1102 | }; |
| 1103 | |
| 1104 | |
| 1105 | UnresolvedFunctionMirror.prototype.protoObject = function() { |
| 1106 | return GetUndefinedMirror(); |
| 1107 | }; |
| 1108 | |
| 1109 | |
| 1110 | UnresolvedFunctionMirror.prototype.name = function() { |
| 1111 | return this.value_; |
| 1112 | }; |
| 1113 | |
| 1114 | |
| 1115 | UnresolvedFunctionMirror.prototype.inferredName = function() { |
| 1116 | return undefined; |
| 1117 | }; |
| 1118 | |
| 1119 | |
| 1120 | UnresolvedFunctionMirror.prototype.propertyNames = function(kind, limit) { |
| 1121 | return []; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1122 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1123 | |
| 1124 | |
| 1125 | /** |
| 1126 | * Mirror object for arrays. |
| 1127 | * @param {Array} value The Array object reflected by this mirror |
| 1128 | * @constructor |
| 1129 | * @extends ObjectMirror |
| 1130 | */ |
| 1131 | function ArrayMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1132 | %_CallFunction(this, value, ObjectMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1133 | } |
| 1134 | inherits(ArrayMirror, ObjectMirror); |
| 1135 | |
| 1136 | |
| 1137 | ArrayMirror.prototype.length = function() { |
| 1138 | return this.value_.length; |
| 1139 | }; |
| 1140 | |
| 1141 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1142 | ArrayMirror.prototype.indexedPropertiesFromRange = function(opt_from_index, |
| 1143 | opt_to_index) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1144 | var from_index = opt_from_index || 0; |
| 1145 | var to_index = opt_to_index || this.length() - 1; |
| 1146 | if (from_index > to_index) return new Array(); |
| 1147 | var values = new Array(to_index - from_index + 1); |
| 1148 | for (var i = from_index; i <= to_index; i++) { |
| 1149 | var details = %DebugGetPropertyDetails(this.value_, %ToString(i)); |
| 1150 | var value; |
| 1151 | if (details) { |
| 1152 | value = new PropertyMirror(this, i, details); |
| 1153 | } else { |
| 1154 | value = GetUndefinedMirror(); |
| 1155 | } |
| 1156 | values[i - from_index] = value; |
| 1157 | } |
| 1158 | return values; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1159 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1160 | |
| 1161 | |
| 1162 | /** |
| 1163 | * Mirror object for dates. |
| 1164 | * @param {Date} value The Date object reflected by this mirror |
| 1165 | * @constructor |
| 1166 | * @extends ObjectMirror |
| 1167 | */ |
| 1168 | function DateMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1169 | %_CallFunction(this, value, ObjectMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1170 | } |
| 1171 | inherits(DateMirror, ObjectMirror); |
| 1172 | |
| 1173 | |
| 1174 | DateMirror.prototype.toText = function() { |
| 1175 | var s = JSON.stringify(this.value_); |
| 1176 | return s.substring(1, s.length - 1); // cut quotes |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1177 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1178 | |
| 1179 | |
| 1180 | /** |
| 1181 | * Mirror object for regular expressions. |
| 1182 | * @param {RegExp} value The RegExp object reflected by this mirror |
| 1183 | * @constructor |
| 1184 | * @extends ObjectMirror |
| 1185 | */ |
| 1186 | function RegExpMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1187 | %_CallFunction(this, value, REGEXP_TYPE, ObjectMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1188 | } |
| 1189 | inherits(RegExpMirror, ObjectMirror); |
| 1190 | |
| 1191 | |
| 1192 | /** |
| 1193 | * Returns the source to the regular expression. |
| 1194 | * @return {string or undefined} The source to the regular expression |
| 1195 | */ |
| 1196 | RegExpMirror.prototype.source = function() { |
| 1197 | return this.value_.source; |
| 1198 | }; |
| 1199 | |
| 1200 | |
| 1201 | /** |
| 1202 | * Returns whether this regular expression has the global (g) flag set. |
| 1203 | * @return {boolean} Value of the global flag |
| 1204 | */ |
| 1205 | RegExpMirror.prototype.global = function() { |
| 1206 | return this.value_.global; |
| 1207 | }; |
| 1208 | |
| 1209 | |
| 1210 | /** |
| 1211 | * Returns whether this regular expression has the ignore case (i) flag set. |
| 1212 | * @return {boolean} Value of the ignore case flag |
| 1213 | */ |
| 1214 | RegExpMirror.prototype.ignoreCase = function() { |
| 1215 | return this.value_.ignoreCase; |
| 1216 | }; |
| 1217 | |
| 1218 | |
| 1219 | /** |
| 1220 | * Returns whether this regular expression has the multiline (m) flag set. |
| 1221 | * @return {boolean} Value of the multiline flag |
| 1222 | */ |
| 1223 | RegExpMirror.prototype.multiline = function() { |
| 1224 | return this.value_.multiline; |
| 1225 | }; |
| 1226 | |
| 1227 | |
| 1228 | RegExpMirror.prototype.toText = function() { |
| 1229 | // Simpel to text which is used when on specialization in subclass. |
| 1230 | return "/" + this.source() + "/"; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1231 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1232 | |
| 1233 | |
| 1234 | /** |
| 1235 | * Mirror object for error objects. |
| 1236 | * @param {Error} value The error object reflected by this mirror |
| 1237 | * @constructor |
| 1238 | * @extends ObjectMirror |
| 1239 | */ |
| 1240 | function ErrorMirror(value) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1241 | %_CallFunction(this, value, ERROR_TYPE, ObjectMirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1242 | } |
| 1243 | inherits(ErrorMirror, ObjectMirror); |
| 1244 | |
| 1245 | |
| 1246 | /** |
| 1247 | * Returns the message for this eror object. |
| 1248 | * @return {string or undefined} The message for this eror object |
| 1249 | */ |
| 1250 | ErrorMirror.prototype.message = function() { |
| 1251 | return this.value_.message; |
| 1252 | }; |
| 1253 | |
| 1254 | |
| 1255 | ErrorMirror.prototype.toText = function() { |
| 1256 | // Use the same text representation as in messages.js. |
| 1257 | var text; |
| 1258 | try { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1259 | str = %_CallFunction(this.value_, builtins.ErrorToString); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1260 | } catch (e) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1261 | str = '#<Error>'; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1262 | } |
| 1263 | return str; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1264 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1265 | |
| 1266 | |
| 1267 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1268 | * Mirror object for a Promise object. |
| 1269 | * @param {Object} value The Promise object |
| 1270 | * @constructor |
| 1271 | * @extends ObjectMirror |
| 1272 | */ |
| 1273 | function PromiseMirror(value) { |
| 1274 | %_CallFunction(this, value, PROMISE_TYPE, ObjectMirror); |
| 1275 | } |
| 1276 | inherits(PromiseMirror, ObjectMirror); |
| 1277 | |
| 1278 | |
| 1279 | function PromiseGetStatus_(value) { |
| 1280 | var status = %DebugGetProperty(value, builtins.promiseStatus); |
| 1281 | if (status == 0) return "pending"; |
| 1282 | if (status == 1) return "resolved"; |
| 1283 | return "rejected"; |
| 1284 | } |
| 1285 | |
| 1286 | |
| 1287 | function PromiseGetValue_(value) { |
| 1288 | return %DebugGetProperty(value, builtins.promiseValue); |
| 1289 | } |
| 1290 | |
| 1291 | |
| 1292 | PromiseMirror.prototype.status = function() { |
| 1293 | return PromiseGetStatus_(this.value_); |
| 1294 | }; |
| 1295 | |
| 1296 | |
| 1297 | PromiseMirror.prototype.promiseValue = function() { |
| 1298 | return MakeMirror(PromiseGetValue_(this.value_)); |
| 1299 | }; |
| 1300 | |
| 1301 | |
| 1302 | function MapMirror(value) { |
| 1303 | %_CallFunction(this, value, MAP_TYPE, ObjectMirror); |
| 1304 | } |
| 1305 | inherits(MapMirror, ObjectMirror); |
| 1306 | |
| 1307 | |
| 1308 | /** |
| 1309 | * Returns an array of key/value pairs of a map. |
| 1310 | * This will keep keys alive for WeakMaps. |
| 1311 | * |
| 1312 | * @returns {Array.<Object>} Array of key/value pairs of a map. |
| 1313 | */ |
| 1314 | MapMirror.prototype.entries = function() { |
| 1315 | var result = []; |
| 1316 | |
| 1317 | if (IS_WEAKMAP(this.value_)) { |
| 1318 | var entries = %GetWeakMapEntries(this.value_); |
| 1319 | for (var i = 0; i < entries.length; i += 2) { |
| 1320 | result.push({ |
| 1321 | key: entries[i], |
| 1322 | value: entries[i + 1] |
| 1323 | }); |
| 1324 | } |
| 1325 | return result; |
| 1326 | } |
| 1327 | |
| 1328 | var iter = %_CallFunction(this.value_, builtins.MapEntries); |
| 1329 | var next; |
| 1330 | while (!(next = iter.next()).done) { |
| 1331 | result.push({ |
| 1332 | key: next.value[0], |
| 1333 | value: next.value[1] |
| 1334 | }); |
| 1335 | } |
| 1336 | return result; |
| 1337 | }; |
| 1338 | |
| 1339 | |
| 1340 | function SetMirror(value) { |
| 1341 | %_CallFunction(this, value, SET_TYPE, ObjectMirror); |
| 1342 | } |
| 1343 | inherits(SetMirror, ObjectMirror); |
| 1344 | |
| 1345 | |
| 1346 | /** |
| 1347 | * Returns an array of elements of a set. |
| 1348 | * This will keep elements alive for WeakSets. |
| 1349 | * |
| 1350 | * @returns {Array.<Object>} Array of elements of a set. |
| 1351 | */ |
| 1352 | SetMirror.prototype.values = function() { |
| 1353 | if (IS_WEAKSET(this.value_)) { |
| 1354 | return %GetWeakSetValues(this.value_); |
| 1355 | } |
| 1356 | |
| 1357 | var result = []; |
| 1358 | var iter = %_CallFunction(this.value_, builtins.SetValues); |
| 1359 | var next; |
| 1360 | while (!(next = iter.next()).done) { |
| 1361 | result.push(next.value); |
| 1362 | } |
| 1363 | return result; |
| 1364 | }; |
| 1365 | |
| 1366 | |
| 1367 | /** |
| 1368 | * Mirror object for a Generator object. |
| 1369 | * @param {Object} data The Generator object |
| 1370 | * @constructor |
| 1371 | * @extends Mirror |
| 1372 | */ |
| 1373 | function GeneratorMirror(value) { |
| 1374 | %_CallFunction(this, value, GENERATOR_TYPE, ObjectMirror); |
| 1375 | } |
| 1376 | inherits(GeneratorMirror, ObjectMirror); |
| 1377 | |
| 1378 | |
| 1379 | GeneratorMirror.prototype.status = function() { |
| 1380 | var continuation = %GeneratorGetContinuation(this.value_); |
| 1381 | if (continuation < 0) return "running"; |
| 1382 | if (continuation == 0) return "closed"; |
| 1383 | return "suspended"; |
| 1384 | }; |
| 1385 | |
| 1386 | |
| 1387 | GeneratorMirror.prototype.sourcePosition_ = function() { |
| 1388 | return %GeneratorGetSourcePosition(this.value_); |
| 1389 | }; |
| 1390 | |
| 1391 | |
| 1392 | GeneratorMirror.prototype.sourceLocation = function() { |
| 1393 | var pos = this.sourcePosition_(); |
| 1394 | if (!IS_UNDEFINED(pos)) { |
| 1395 | var script = this.func().script(); |
| 1396 | if (script) { |
| 1397 | return script.locationFromPosition(pos, true); |
| 1398 | } |
| 1399 | } |
| 1400 | }; |
| 1401 | |
| 1402 | |
| 1403 | GeneratorMirror.prototype.func = function() { |
| 1404 | if (!this.func_) { |
| 1405 | this.func_ = MakeMirror(%GeneratorGetFunction(this.value_)); |
| 1406 | } |
| 1407 | return this.func_; |
| 1408 | }; |
| 1409 | |
| 1410 | |
| 1411 | GeneratorMirror.prototype.context = function() { |
| 1412 | if (!this.context_) { |
| 1413 | this.context_ = new ContextMirror(%GeneratorGetContext(this.value_)); |
| 1414 | } |
| 1415 | return this.context_; |
| 1416 | }; |
| 1417 | |
| 1418 | |
| 1419 | GeneratorMirror.prototype.receiver = function() { |
| 1420 | if (!this.receiver_) { |
| 1421 | this.receiver_ = MakeMirror(%GeneratorGetReceiver(this.value_)); |
| 1422 | } |
| 1423 | return this.receiver_; |
| 1424 | }; |
| 1425 | |
| 1426 | |
| 1427 | /** |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1428 | * Base mirror object for properties. |
| 1429 | * @param {ObjectMirror} mirror The mirror object having this property |
| 1430 | * @param {string} name The name of the property |
| 1431 | * @param {Array} details Details about the property |
| 1432 | * @constructor |
| 1433 | * @extends Mirror |
| 1434 | */ |
| 1435 | function PropertyMirror(mirror, name, details) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1436 | %_CallFunction(this, PROPERTY_TYPE, Mirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1437 | this.mirror_ = mirror; |
| 1438 | this.name_ = name; |
| 1439 | this.value_ = details[0]; |
| 1440 | this.details_ = details[1]; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1441 | this.is_interceptor_ = details[2]; |
| 1442 | if (details.length > 3) { |
| 1443 | this.exception_ = details[3]; |
| 1444 | this.getter_ = details[4]; |
| 1445 | this.setter_ = details[5]; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1446 | } |
| 1447 | } |
| 1448 | inherits(PropertyMirror, Mirror); |
| 1449 | |
| 1450 | |
| 1451 | PropertyMirror.prototype.isReadOnly = function() { |
| 1452 | return (this.attributes() & PropertyAttribute.ReadOnly) != 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1453 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1454 | |
| 1455 | |
| 1456 | PropertyMirror.prototype.isEnum = function() { |
| 1457 | return (this.attributes() & PropertyAttribute.DontEnum) == 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1458 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1459 | |
| 1460 | |
| 1461 | PropertyMirror.prototype.canDelete = function() { |
| 1462 | return (this.attributes() & PropertyAttribute.DontDelete) == 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1463 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1464 | |
| 1465 | |
| 1466 | PropertyMirror.prototype.name = function() { |
| 1467 | return this.name_; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1468 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1469 | |
| 1470 | |
| 1471 | PropertyMirror.prototype.isIndexed = function() { |
| 1472 | for (var i = 0; i < this.name_.length; i++) { |
| 1473 | if (this.name_[i] < '0' || '9' < this.name_[i]) { |
| 1474 | return false; |
| 1475 | } |
| 1476 | } |
| 1477 | return true; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1478 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1479 | |
| 1480 | |
| 1481 | PropertyMirror.prototype.value = function() { |
| 1482 | return MakeMirror(this.value_, false); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1483 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1484 | |
| 1485 | |
| 1486 | /** |
| 1487 | * Returns whether this property value is an exception. |
| 1488 | * @return {booolean} True if this property value is an exception |
| 1489 | */ |
| 1490 | PropertyMirror.prototype.isException = function() { |
| 1491 | return this.exception_ ? true : false; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1492 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1493 | |
| 1494 | |
| 1495 | PropertyMirror.prototype.attributes = function() { |
| 1496 | return %DebugPropertyAttributesFromDetails(this.details_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1497 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1498 | |
| 1499 | |
| 1500 | PropertyMirror.prototype.propertyType = function() { |
| 1501 | return %DebugPropertyTypeFromDetails(this.details_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1502 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1503 | |
| 1504 | |
| 1505 | PropertyMirror.prototype.insertionIndex = function() { |
| 1506 | return %DebugPropertyIndexFromDetails(this.details_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1507 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1508 | |
| 1509 | |
| 1510 | /** |
| 1511 | * Returns whether this property has a getter defined through __defineGetter__. |
| 1512 | * @return {booolean} True if this property has a getter |
| 1513 | */ |
| 1514 | PropertyMirror.prototype.hasGetter = function() { |
| 1515 | return this.getter_ ? true : false; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1516 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1517 | |
| 1518 | |
| 1519 | /** |
| 1520 | * Returns whether this property has a setter defined through __defineSetter__. |
| 1521 | * @return {booolean} True if this property has a setter |
| 1522 | */ |
| 1523 | PropertyMirror.prototype.hasSetter = function() { |
| 1524 | return this.setter_ ? true : false; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1525 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1526 | |
| 1527 | |
| 1528 | /** |
| 1529 | * Returns the getter for this property defined through __defineGetter__. |
| 1530 | * @return {Mirror} FunctionMirror reflecting the getter function or |
| 1531 | * UndefinedMirror if there is no getter for this property |
| 1532 | */ |
| 1533 | PropertyMirror.prototype.getter = function() { |
| 1534 | if (this.hasGetter()) { |
| 1535 | return MakeMirror(this.getter_); |
| 1536 | } else { |
| 1537 | return GetUndefinedMirror(); |
| 1538 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1539 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1540 | |
| 1541 | |
| 1542 | /** |
| 1543 | * Returns the setter for this property defined through __defineSetter__. |
| 1544 | * @return {Mirror} FunctionMirror reflecting the setter function or |
| 1545 | * UndefinedMirror if there is no setter for this property |
| 1546 | */ |
| 1547 | PropertyMirror.prototype.setter = function() { |
| 1548 | if (this.hasSetter()) { |
| 1549 | return MakeMirror(this.setter_); |
| 1550 | } else { |
| 1551 | return GetUndefinedMirror(); |
| 1552 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1553 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1554 | |
| 1555 | |
| 1556 | /** |
| 1557 | * Returns whether this property is natively implemented by the host or a set |
| 1558 | * through JavaScript code. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1559 | * @return {boolean} True if the property is |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1560 | * UndefinedMirror if there is no setter for this property |
| 1561 | */ |
| 1562 | PropertyMirror.prototype.isNative = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1563 | return this.is_interceptor_ || |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1564 | ((this.propertyType() == PropertyType.Callbacks) && |
| 1565 | !this.hasGetter() && !this.hasSetter()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1566 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1567 | |
| 1568 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1569 | /** |
| 1570 | * Mirror object for internal properties. Internal property reflects properties |
| 1571 | * not accessible from user code such as [[BoundThis]] in bound function. |
| 1572 | * Their names are merely symbolic. |
| 1573 | * @param {string} name The name of the property |
| 1574 | * @param {value} property value |
| 1575 | * @constructor |
| 1576 | * @extends Mirror |
| 1577 | */ |
| 1578 | function InternalPropertyMirror(name, value) { |
| 1579 | %_CallFunction(this, INTERNAL_PROPERTY_TYPE, Mirror); |
| 1580 | this.name_ = name; |
| 1581 | this.value_ = value; |
| 1582 | } |
| 1583 | inherits(InternalPropertyMirror, Mirror); |
| 1584 | |
| 1585 | |
| 1586 | InternalPropertyMirror.prototype.name = function() { |
| 1587 | return this.name_; |
| 1588 | }; |
| 1589 | |
| 1590 | |
| 1591 | InternalPropertyMirror.prototype.value = function() { |
| 1592 | return MakeMirror(this.value_, false); |
| 1593 | }; |
| 1594 | |
| 1595 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1596 | var kFrameDetailsFrameIdIndex = 0; |
| 1597 | var kFrameDetailsReceiverIndex = 1; |
| 1598 | var kFrameDetailsFunctionIndex = 2; |
| 1599 | var kFrameDetailsArgumentCountIndex = 3; |
| 1600 | var kFrameDetailsLocalCountIndex = 4; |
| 1601 | var kFrameDetailsSourcePositionIndex = 5; |
| 1602 | var kFrameDetailsConstructCallIndex = 6; |
| 1603 | var kFrameDetailsAtReturnIndex = 7; |
| 1604 | var kFrameDetailsFlagsIndex = 8; |
| 1605 | var kFrameDetailsFirstDynamicIndex = 9; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1606 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1607 | var kFrameDetailsNameIndex = 0; |
| 1608 | var kFrameDetailsValueIndex = 1; |
| 1609 | var kFrameDetailsNameValueSize = 2; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1610 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1611 | var kFrameDetailsFlagDebuggerFrameMask = 1 << 0; |
| 1612 | var kFrameDetailsFlagOptimizedFrameMask = 1 << 1; |
| 1613 | var kFrameDetailsFlagInlinedFrameIndexMask = 7 << 2; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1614 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1615 | /** |
| 1616 | * Wrapper for the frame details information retreived from the VM. The frame |
| 1617 | * details from the VM is an array with the following content. See runtime.cc |
| 1618 | * Runtime_GetFrameDetails. |
| 1619 | * 0: Id |
| 1620 | * 1: Receiver |
| 1621 | * 2: Function |
| 1622 | * 3: Argument count |
| 1623 | * 4: Local count |
| 1624 | * 5: Source position |
| 1625 | * 6: Construct call |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1626 | * 7: Is at return |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1627 | * 8: Flags (debugger frame, optimized frame, inlined frame index) |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1628 | * Arguments name, value |
| 1629 | * Locals name, value |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1630 | * Return value if any |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1631 | * @param {number} break_id Current break id |
| 1632 | * @param {number} index Frame number |
| 1633 | * @constructor |
| 1634 | */ |
| 1635 | function FrameDetails(break_id, index) { |
| 1636 | this.break_id_ = break_id; |
| 1637 | this.details_ = %GetFrameDetails(break_id, index); |
| 1638 | } |
| 1639 | |
| 1640 | |
| 1641 | FrameDetails.prototype.frameId = function() { |
| 1642 | %CheckExecutionState(this.break_id_); |
| 1643 | return this.details_[kFrameDetailsFrameIdIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1644 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1645 | |
| 1646 | |
| 1647 | FrameDetails.prototype.receiver = function() { |
| 1648 | %CheckExecutionState(this.break_id_); |
| 1649 | return this.details_[kFrameDetailsReceiverIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1650 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1651 | |
| 1652 | |
| 1653 | FrameDetails.prototype.func = function() { |
| 1654 | %CheckExecutionState(this.break_id_); |
| 1655 | return this.details_[kFrameDetailsFunctionIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1656 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1657 | |
| 1658 | |
| 1659 | FrameDetails.prototype.isConstructCall = function() { |
| 1660 | %CheckExecutionState(this.break_id_); |
| 1661 | return this.details_[kFrameDetailsConstructCallIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1662 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1663 | |
| 1664 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1665 | FrameDetails.prototype.isAtReturn = function() { |
| 1666 | %CheckExecutionState(this.break_id_); |
| 1667 | return this.details_[kFrameDetailsAtReturnIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1668 | }; |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1669 | |
| 1670 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1671 | FrameDetails.prototype.isDebuggerFrame = function() { |
| 1672 | %CheckExecutionState(this.break_id_); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1673 | var f = kFrameDetailsFlagDebuggerFrameMask; |
| 1674 | return (this.details_[kFrameDetailsFlagsIndex] & f) == f; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1675 | }; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1676 | |
| 1677 | |
| 1678 | FrameDetails.prototype.isOptimizedFrame = function() { |
| 1679 | %CheckExecutionState(this.break_id_); |
| 1680 | var f = kFrameDetailsFlagOptimizedFrameMask; |
| 1681 | return (this.details_[kFrameDetailsFlagsIndex] & f) == f; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1682 | }; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1683 | |
| 1684 | |
| 1685 | FrameDetails.prototype.isInlinedFrame = function() { |
| 1686 | return this.inlinedFrameIndex() > 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1687 | }; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1688 | |
| 1689 | |
| 1690 | FrameDetails.prototype.inlinedFrameIndex = function() { |
| 1691 | %CheckExecutionState(this.break_id_); |
| 1692 | var f = kFrameDetailsFlagInlinedFrameIndexMask; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1693 | return (this.details_[kFrameDetailsFlagsIndex] & f) >> 2; |
| 1694 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1695 | |
| 1696 | |
| 1697 | FrameDetails.prototype.argumentCount = function() { |
| 1698 | %CheckExecutionState(this.break_id_); |
| 1699 | return this.details_[kFrameDetailsArgumentCountIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1700 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1701 | |
| 1702 | |
| 1703 | FrameDetails.prototype.argumentName = function(index) { |
| 1704 | %CheckExecutionState(this.break_id_); |
| 1705 | if (index >= 0 && index < this.argumentCount()) { |
| 1706 | return this.details_[kFrameDetailsFirstDynamicIndex + |
| 1707 | index * kFrameDetailsNameValueSize + |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1708 | kFrameDetailsNameIndex]; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1709 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1710 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1711 | |
| 1712 | |
| 1713 | FrameDetails.prototype.argumentValue = function(index) { |
| 1714 | %CheckExecutionState(this.break_id_); |
| 1715 | if (index >= 0 && index < this.argumentCount()) { |
| 1716 | return this.details_[kFrameDetailsFirstDynamicIndex + |
| 1717 | index * kFrameDetailsNameValueSize + |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1718 | kFrameDetailsValueIndex]; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1719 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1720 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1721 | |
| 1722 | |
| 1723 | FrameDetails.prototype.localCount = function() { |
| 1724 | %CheckExecutionState(this.break_id_); |
| 1725 | return this.details_[kFrameDetailsLocalCountIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1726 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1727 | |
| 1728 | |
| 1729 | FrameDetails.prototype.sourcePosition = function() { |
| 1730 | %CheckExecutionState(this.break_id_); |
| 1731 | return this.details_[kFrameDetailsSourcePositionIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1732 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1733 | |
| 1734 | |
| 1735 | FrameDetails.prototype.localName = function(index) { |
| 1736 | %CheckExecutionState(this.break_id_); |
| 1737 | if (index >= 0 && index < this.localCount()) { |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1738 | var locals_offset = kFrameDetailsFirstDynamicIndex + |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1739 | this.argumentCount() * kFrameDetailsNameValueSize; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1740 | return this.details_[locals_offset + |
| 1741 | index * kFrameDetailsNameValueSize + |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1742 | kFrameDetailsNameIndex]; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1743 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1744 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1745 | |
| 1746 | |
| 1747 | FrameDetails.prototype.localValue = function(index) { |
| 1748 | %CheckExecutionState(this.break_id_); |
| 1749 | if (index >= 0 && index < this.localCount()) { |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1750 | var locals_offset = kFrameDetailsFirstDynamicIndex + |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1751 | this.argumentCount() * kFrameDetailsNameValueSize; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1752 | return this.details_[locals_offset + |
| 1753 | index * kFrameDetailsNameValueSize + |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1754 | kFrameDetailsValueIndex]; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1755 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1756 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1757 | |
| 1758 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1759 | FrameDetails.prototype.returnValue = function() { |
| 1760 | %CheckExecutionState(this.break_id_); |
| 1761 | var return_value_offset = |
| 1762 | kFrameDetailsFirstDynamicIndex + |
| 1763 | (this.argumentCount() + this.localCount()) * kFrameDetailsNameValueSize; |
| 1764 | if (this.details_[kFrameDetailsAtReturnIndex]) { |
| 1765 | return this.details_[return_value_offset]; |
| 1766 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1767 | }; |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1768 | |
| 1769 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1770 | FrameDetails.prototype.scopeCount = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1771 | if (IS_UNDEFINED(this.scopeCount_)) { |
| 1772 | this.scopeCount_ = %GetScopeCount(this.break_id_, this.frameId()); |
| 1773 | } |
| 1774 | return this.scopeCount_; |
| 1775 | }; |
| 1776 | |
| 1777 | |
| 1778 | FrameDetails.prototype.stepInPositionsImpl = function() { |
| 1779 | return %GetStepInPositions(this.break_id_, this.frameId()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1780 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1781 | |
| 1782 | |
| 1783 | /** |
| 1784 | * Mirror object for stack frames. |
| 1785 | * @param {number} break_id The break id in the VM for which this frame is |
| 1786 | valid |
| 1787 | * @param {number} index The frame index (top frame is index 0) |
| 1788 | * @constructor |
| 1789 | * @extends Mirror |
| 1790 | */ |
| 1791 | function FrameMirror(break_id, index) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1792 | %_CallFunction(this, FRAME_TYPE, Mirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1793 | this.break_id_ = break_id; |
| 1794 | this.index_ = index; |
| 1795 | this.details_ = new FrameDetails(break_id, index); |
| 1796 | } |
| 1797 | inherits(FrameMirror, Mirror); |
| 1798 | |
| 1799 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1800 | FrameMirror.prototype.details = function() { |
| 1801 | return this.details_; |
| 1802 | }; |
| 1803 | |
| 1804 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1805 | FrameMirror.prototype.index = function() { |
| 1806 | return this.index_; |
| 1807 | }; |
| 1808 | |
| 1809 | |
| 1810 | FrameMirror.prototype.func = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1811 | if (this.func_) { |
| 1812 | return this.func_; |
| 1813 | } |
| 1814 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1815 | // Get the function for this frame from the VM. |
| 1816 | var f = this.details_.func(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1817 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1818 | // Create a function mirror. NOTE: MakeMirror cannot be used here as the |
| 1819 | // value returned from the VM might be a string if the function for the |
| 1820 | // frame is unresolved. |
| 1821 | if (IS_FUNCTION(f)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1822 | return this.func_ = MakeMirror(f); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1823 | } else { |
| 1824 | return new UnresolvedFunctionMirror(f); |
| 1825 | } |
| 1826 | }; |
| 1827 | |
| 1828 | |
| 1829 | FrameMirror.prototype.receiver = function() { |
| 1830 | return MakeMirror(this.details_.receiver()); |
| 1831 | }; |
| 1832 | |
| 1833 | |
| 1834 | FrameMirror.prototype.isConstructCall = function() { |
| 1835 | return this.details_.isConstructCall(); |
| 1836 | }; |
| 1837 | |
| 1838 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1839 | FrameMirror.prototype.isAtReturn = function() { |
| 1840 | return this.details_.isAtReturn(); |
| 1841 | }; |
| 1842 | |
| 1843 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1844 | FrameMirror.prototype.isDebuggerFrame = function() { |
| 1845 | return this.details_.isDebuggerFrame(); |
| 1846 | }; |
| 1847 | |
| 1848 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1849 | FrameMirror.prototype.isOptimizedFrame = function() { |
| 1850 | return this.details_.isOptimizedFrame(); |
| 1851 | }; |
| 1852 | |
| 1853 | |
| 1854 | FrameMirror.prototype.isInlinedFrame = function() { |
| 1855 | return this.details_.isInlinedFrame(); |
| 1856 | }; |
| 1857 | |
| 1858 | |
| 1859 | FrameMirror.prototype.inlinedFrameIndex = function() { |
| 1860 | return this.details_.inlinedFrameIndex(); |
| 1861 | }; |
| 1862 | |
| 1863 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1864 | FrameMirror.prototype.argumentCount = function() { |
| 1865 | return this.details_.argumentCount(); |
| 1866 | }; |
| 1867 | |
| 1868 | |
| 1869 | FrameMirror.prototype.argumentName = function(index) { |
| 1870 | return this.details_.argumentName(index); |
| 1871 | }; |
| 1872 | |
| 1873 | |
| 1874 | FrameMirror.prototype.argumentValue = function(index) { |
| 1875 | return MakeMirror(this.details_.argumentValue(index)); |
| 1876 | }; |
| 1877 | |
| 1878 | |
| 1879 | FrameMirror.prototype.localCount = function() { |
| 1880 | return this.details_.localCount(); |
| 1881 | }; |
| 1882 | |
| 1883 | |
| 1884 | FrameMirror.prototype.localName = function(index) { |
| 1885 | return this.details_.localName(index); |
| 1886 | }; |
| 1887 | |
| 1888 | |
| 1889 | FrameMirror.prototype.localValue = function(index) { |
| 1890 | return MakeMirror(this.details_.localValue(index)); |
| 1891 | }; |
| 1892 | |
| 1893 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1894 | FrameMirror.prototype.returnValue = function() { |
| 1895 | return MakeMirror(this.details_.returnValue()); |
| 1896 | }; |
| 1897 | |
| 1898 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1899 | FrameMirror.prototype.sourcePosition = function() { |
| 1900 | return this.details_.sourcePosition(); |
| 1901 | }; |
| 1902 | |
| 1903 | |
| 1904 | FrameMirror.prototype.sourceLocation = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1905 | var func = this.func(); |
| 1906 | if (func.resolved()) { |
| 1907 | var script = func.script(); |
| 1908 | if (script) { |
| 1909 | return script.locationFromPosition(this.sourcePosition(), true); |
| 1910 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1911 | } |
| 1912 | }; |
| 1913 | |
| 1914 | |
| 1915 | FrameMirror.prototype.sourceLine = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1916 | var location = this.sourceLocation(); |
| 1917 | if (location) { |
| 1918 | return location.line; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1919 | } |
| 1920 | }; |
| 1921 | |
| 1922 | |
| 1923 | FrameMirror.prototype.sourceColumn = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1924 | var location = this.sourceLocation(); |
| 1925 | if (location) { |
| 1926 | return location.column; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1927 | } |
| 1928 | }; |
| 1929 | |
| 1930 | |
| 1931 | FrameMirror.prototype.sourceLineText = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1932 | var location = this.sourceLocation(); |
| 1933 | if (location) { |
| 1934 | return location.sourceText(); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1935 | } |
| 1936 | }; |
| 1937 | |
| 1938 | |
| 1939 | FrameMirror.prototype.scopeCount = function() { |
| 1940 | return this.details_.scopeCount(); |
| 1941 | }; |
| 1942 | |
| 1943 | |
| 1944 | FrameMirror.prototype.scope = function(index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1945 | return new ScopeMirror(this, UNDEFINED, index); |
| 1946 | }; |
| 1947 | |
| 1948 | |
| 1949 | FrameMirror.prototype.allScopes = function(opt_ignore_nested_scopes) { |
| 1950 | var scopeDetails = %GetAllScopesDetails(this.break_id_, |
| 1951 | this.details_.frameId(), |
| 1952 | this.details_.inlinedFrameIndex(), |
| 1953 | !!opt_ignore_nested_scopes); |
| 1954 | var result = []; |
| 1955 | for (var i = 0; i < scopeDetails.length; ++i) { |
| 1956 | result.push(new ScopeMirror(this, UNDEFINED, i, scopeDetails[i])); |
| 1957 | } |
| 1958 | return result; |
| 1959 | }; |
| 1960 | |
| 1961 | |
| 1962 | FrameMirror.prototype.stepInPositions = function() { |
| 1963 | var script = this.func().script(); |
| 1964 | var funcOffset = this.func().sourcePosition_(); |
| 1965 | |
| 1966 | var stepInRaw = this.details_.stepInPositionsImpl(); |
| 1967 | var result = []; |
| 1968 | if (stepInRaw) { |
| 1969 | for (var i = 0; i < stepInRaw.length; i++) { |
| 1970 | var posStruct = {}; |
| 1971 | var offset = script.locationFromPosition(funcOffset + stepInRaw[i], |
| 1972 | true); |
| 1973 | serializeLocationFields(offset, posStruct); |
| 1974 | var item = { |
| 1975 | position: posStruct |
| 1976 | }; |
| 1977 | result.push(item); |
| 1978 | } |
| 1979 | } |
| 1980 | |
| 1981 | return result; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1982 | }; |
| 1983 | |
| 1984 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1985 | FrameMirror.prototype.evaluate = function(source, disable_break, |
| 1986 | opt_context_object) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1987 | return MakeMirror(%DebugEvaluate(this.break_id_, |
| 1988 | this.details_.frameId(), |
| 1989 | this.details_.inlinedFrameIndex(), |
| 1990 | source, |
| 1991 | Boolean(disable_break), |
| 1992 | opt_context_object)); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1993 | }; |
| 1994 | |
| 1995 | |
| 1996 | FrameMirror.prototype.invocationText = function() { |
| 1997 | // Format frame invoaction (receiver, function and arguments). |
| 1998 | var result = ''; |
| 1999 | var func = this.func(); |
| 2000 | var receiver = this.receiver(); |
| 2001 | if (this.isConstructCall()) { |
| 2002 | // For constructor frames display new followed by the function name. |
| 2003 | result += 'new '; |
| 2004 | result += func.name() ? func.name() : '[anonymous]'; |
| 2005 | } else if (this.isDebuggerFrame()) { |
| 2006 | result += '[debugger]'; |
| 2007 | } else { |
| 2008 | // If the receiver has a className which is 'global' don't display it. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2009 | var display_receiver = |
| 2010 | !receiver.className || (receiver.className() != 'global'); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2011 | if (display_receiver) { |
| 2012 | result += receiver.toText(); |
| 2013 | } |
| 2014 | // Try to find the function as a property in the receiver. Include the |
| 2015 | // prototype chain in the lookup. |
| 2016 | var property = GetUndefinedMirror(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2017 | if (receiver.isObject()) { |
| 2018 | for (var r = receiver; |
| 2019 | !r.isNull() && property.isUndefined(); |
| 2020 | r = r.protoObject()) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2021 | property = r.lookupProperty(func); |
| 2022 | } |
| 2023 | } |
| 2024 | if (!property.isUndefined()) { |
| 2025 | // The function invoked was found on the receiver. Use the property name |
| 2026 | // for the backtrace. |
| 2027 | if (!property.isIndexed()) { |
| 2028 | if (display_receiver) { |
| 2029 | result += '.'; |
| 2030 | } |
| 2031 | result += property.name(); |
| 2032 | } else { |
| 2033 | result += '['; |
| 2034 | result += property.name(); |
| 2035 | result += ']'; |
| 2036 | } |
| 2037 | // Also known as - if the name in the function doesn't match the name |
| 2038 | // under which it was looked up. |
| 2039 | if (func.name() && func.name() != property.name()) { |
| 2040 | result += '(aka ' + func.name() + ')'; |
| 2041 | } |
| 2042 | } else { |
| 2043 | // The function invoked was not found on the receiver. Use the function |
| 2044 | // name if available for the backtrace. |
| 2045 | if (display_receiver) { |
| 2046 | result += '.'; |
| 2047 | } |
| 2048 | result += func.name() ? func.name() : '[anonymous]'; |
| 2049 | } |
| 2050 | } |
| 2051 | |
| 2052 | // Render arguments for normal frames. |
| 2053 | if (!this.isDebuggerFrame()) { |
| 2054 | result += '('; |
| 2055 | for (var i = 0; i < this.argumentCount(); i++) { |
| 2056 | if (i != 0) result += ', '; |
| 2057 | if (this.argumentName(i)) { |
| 2058 | result += this.argumentName(i); |
| 2059 | result += '='; |
| 2060 | } |
| 2061 | result += this.argumentValue(i).toText(); |
| 2062 | } |
| 2063 | result += ')'; |
| 2064 | } |
| 2065 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 2066 | if (this.isAtReturn()) { |
| 2067 | result += ' returning '; |
| 2068 | result += this.returnValue().toText(); |
| 2069 | } |
Ben Murdoch | f87a203 | 2010-10-22 12:50:53 +0100 | [diff] [blame] | 2070 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2071 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2072 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2073 | |
| 2074 | |
| 2075 | FrameMirror.prototype.sourceAndPositionText = function() { |
| 2076 | // Format source and position. |
| 2077 | var result = ''; |
| 2078 | var func = this.func(); |
| 2079 | if (func.resolved()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2080 | var script = func.script(); |
| 2081 | if (script) { |
| 2082 | if (script.name()) { |
| 2083 | result += script.name(); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2084 | } else { |
| 2085 | result += '[unnamed]'; |
| 2086 | } |
| 2087 | if (!this.isDebuggerFrame()) { |
| 2088 | var location = this.sourceLocation(); |
| 2089 | result += ' line '; |
| 2090 | result += !IS_UNDEFINED(location) ? (location.line + 1) : '?'; |
| 2091 | result += ' column '; |
| 2092 | result += !IS_UNDEFINED(location) ? (location.column + 1) : '?'; |
| 2093 | if (!IS_UNDEFINED(this.sourcePosition())) { |
| 2094 | result += ' (position ' + (this.sourcePosition() + 1) + ')'; |
| 2095 | } |
| 2096 | } |
| 2097 | } else { |
| 2098 | result += '[no source]'; |
| 2099 | } |
| 2100 | } else { |
| 2101 | result += '[unresolved]'; |
| 2102 | } |
| 2103 | |
| 2104 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2105 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2106 | |
| 2107 | |
| 2108 | FrameMirror.prototype.localsText = function() { |
| 2109 | // Format local variables. |
| 2110 | var result = ''; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2111 | var locals_count = this.localCount(); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2112 | if (locals_count > 0) { |
| 2113 | for (var i = 0; i < locals_count; ++i) { |
| 2114 | result += ' var '; |
| 2115 | result += this.localName(i); |
| 2116 | result += ' = '; |
| 2117 | result += this.localValue(i).toText(); |
| 2118 | if (i < locals_count - 1) result += '\n'; |
| 2119 | } |
| 2120 | } |
| 2121 | |
| 2122 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2123 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2124 | |
| 2125 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2126 | FrameMirror.prototype.restart = function() { |
| 2127 | var result = %LiveEditRestartFrame(this.break_id_, this.index_); |
| 2128 | if (IS_UNDEFINED(result)) { |
| 2129 | result = "Failed to find requested frame"; |
| 2130 | } |
| 2131 | return result; |
| 2132 | }; |
| 2133 | |
| 2134 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2135 | FrameMirror.prototype.toText = function(opt_locals) { |
| 2136 | var result = ''; |
| 2137 | result += '#' + (this.index() <= 9 ? '0' : '') + this.index(); |
| 2138 | result += ' '; |
| 2139 | result += this.invocationText(); |
| 2140 | result += ' '; |
| 2141 | result += this.sourceAndPositionText(); |
| 2142 | if (opt_locals) { |
| 2143 | result += '\n'; |
| 2144 | result += this.localsText(); |
| 2145 | } |
| 2146 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2147 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2148 | |
| 2149 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2150 | var kScopeDetailsTypeIndex = 0; |
| 2151 | var kScopeDetailsObjectIndex = 1; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2152 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2153 | function ScopeDetails(frame, fun, index, opt_details) { |
| 2154 | if (frame) { |
| 2155 | this.break_id_ = frame.break_id_; |
| 2156 | this.details_ = opt_details || |
| 2157 | %GetScopeDetails(frame.break_id_, |
| 2158 | frame.details_.frameId(), |
| 2159 | frame.details_.inlinedFrameIndex(), |
| 2160 | index); |
| 2161 | this.frame_id_ = frame.details_.frameId(); |
| 2162 | this.inlined_frame_id_ = frame.details_.inlinedFrameIndex(); |
| 2163 | } else { |
| 2164 | this.details_ = opt_details || %GetFunctionScopeDetails(fun.value(), index); |
| 2165 | this.fun_value_ = fun.value(); |
| 2166 | this.break_id_ = undefined; |
| 2167 | } |
| 2168 | this.index_ = index; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2169 | } |
| 2170 | |
| 2171 | |
| 2172 | ScopeDetails.prototype.type = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2173 | if (!IS_UNDEFINED(this.break_id_)) { |
| 2174 | %CheckExecutionState(this.break_id_); |
| 2175 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2176 | return this.details_[kScopeDetailsTypeIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2177 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2178 | |
| 2179 | |
| 2180 | ScopeDetails.prototype.object = function() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2181 | if (!IS_UNDEFINED(this.break_id_)) { |
| 2182 | %CheckExecutionState(this.break_id_); |
| 2183 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2184 | return this.details_[kScopeDetailsObjectIndex]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2185 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2186 | |
| 2187 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2188 | ScopeDetails.prototype.setVariableValueImpl = function(name, new_value) { |
| 2189 | var raw_res; |
| 2190 | if (!IS_UNDEFINED(this.break_id_)) { |
| 2191 | %CheckExecutionState(this.break_id_); |
| 2192 | raw_res = %SetScopeVariableValue(this.break_id_, this.frame_id_, |
| 2193 | this.inlined_frame_id_, this.index_, name, new_value); |
| 2194 | } else { |
| 2195 | raw_res = %SetScopeVariableValue(this.fun_value_, null, null, this.index_, |
| 2196 | name, new_value); |
| 2197 | } |
| 2198 | if (!raw_res) { |
| 2199 | throw new Error("Failed to set variable value"); |
| 2200 | } |
| 2201 | }; |
| 2202 | |
| 2203 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2204 | /** |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2205 | * Mirror object for scope of frame or function. Either frame or function must |
| 2206 | * be specified. |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2207 | * @param {FrameMirror} frame The frame this scope is a part of |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2208 | * @param {FunctionMirror} function The function this scope is a part of |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2209 | * @param {number} index The scope index in the frame |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2210 | * @param {Array=} opt_details Raw scope details data |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2211 | * @constructor |
| 2212 | * @extends Mirror |
| 2213 | */ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2214 | function ScopeMirror(frame, function, index, opt_details) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2215 | %_CallFunction(this, SCOPE_TYPE, Mirror); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2216 | if (frame) { |
| 2217 | this.frame_index_ = frame.index_; |
| 2218 | } else { |
| 2219 | this.frame_index_ = undefined; |
| 2220 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2221 | this.scope_index_ = index; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2222 | this.details_ = new ScopeDetails(frame, function, index, opt_details); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2223 | } |
| 2224 | inherits(ScopeMirror, Mirror); |
| 2225 | |
| 2226 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2227 | ScopeMirror.prototype.details = function() { |
| 2228 | return this.details_; |
| 2229 | }; |
| 2230 | |
| 2231 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2232 | ScopeMirror.prototype.frameIndex = function() { |
| 2233 | return this.frame_index_; |
| 2234 | }; |
| 2235 | |
| 2236 | |
| 2237 | ScopeMirror.prototype.scopeIndex = function() { |
| 2238 | return this.scope_index_; |
| 2239 | }; |
| 2240 | |
| 2241 | |
| 2242 | ScopeMirror.prototype.scopeType = function() { |
| 2243 | return this.details_.type(); |
| 2244 | }; |
| 2245 | |
| 2246 | |
| 2247 | ScopeMirror.prototype.scopeObject = function() { |
| 2248 | // For local and closure scopes create a transient mirror as these objects are |
| 2249 | // created on the fly materializing the local or closure scopes and |
| 2250 | // therefore will not preserve identity. |
| 2251 | var transient = this.scopeType() == ScopeType.Local || |
| 2252 | this.scopeType() == ScopeType.Closure; |
| 2253 | return MakeMirror(this.details_.object(), transient); |
| 2254 | }; |
| 2255 | |
| 2256 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2257 | ScopeMirror.prototype.setVariableValue = function(name, new_value) { |
| 2258 | this.details_.setVariableValueImpl(name, new_value); |
| 2259 | }; |
| 2260 | |
| 2261 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2262 | /** |
| 2263 | * Mirror object for script source. |
| 2264 | * @param {Script} script The script object |
| 2265 | * @constructor |
| 2266 | * @extends Mirror |
| 2267 | */ |
| 2268 | function ScriptMirror(script) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2269 | %_CallFunction(this, SCRIPT_TYPE, Mirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2270 | this.script_ = script; |
| 2271 | this.context_ = new ContextMirror(script.context_data); |
| 2272 | this.allocateHandle_(); |
| 2273 | } |
| 2274 | inherits(ScriptMirror, Mirror); |
| 2275 | |
| 2276 | |
| 2277 | ScriptMirror.prototype.value = function() { |
| 2278 | return this.script_; |
| 2279 | }; |
| 2280 | |
| 2281 | |
| 2282 | ScriptMirror.prototype.name = function() { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2283 | return this.script_.name || this.script_.nameOrSourceURL(); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2284 | }; |
| 2285 | |
| 2286 | |
| 2287 | ScriptMirror.prototype.id = function() { |
| 2288 | return this.script_.id; |
| 2289 | }; |
| 2290 | |
| 2291 | |
| 2292 | ScriptMirror.prototype.source = function() { |
| 2293 | return this.script_.source; |
| 2294 | }; |
| 2295 | |
| 2296 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2297 | ScriptMirror.prototype.setSource = function(source) { |
| 2298 | %DebugSetScriptSource(this.script_, source); |
| 2299 | }; |
| 2300 | |
| 2301 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2302 | ScriptMirror.prototype.lineOffset = function() { |
| 2303 | return this.script_.line_offset; |
| 2304 | }; |
| 2305 | |
| 2306 | |
| 2307 | ScriptMirror.prototype.columnOffset = function() { |
| 2308 | return this.script_.column_offset; |
| 2309 | }; |
| 2310 | |
| 2311 | |
| 2312 | ScriptMirror.prototype.data = function() { |
| 2313 | return this.script_.data; |
| 2314 | }; |
| 2315 | |
| 2316 | |
| 2317 | ScriptMirror.prototype.scriptType = function() { |
| 2318 | return this.script_.type; |
| 2319 | }; |
| 2320 | |
| 2321 | |
| 2322 | ScriptMirror.prototype.compilationType = function() { |
| 2323 | return this.script_.compilation_type; |
| 2324 | }; |
| 2325 | |
| 2326 | |
| 2327 | ScriptMirror.prototype.lineCount = function() { |
| 2328 | return this.script_.lineCount(); |
| 2329 | }; |
| 2330 | |
| 2331 | |
| 2332 | ScriptMirror.prototype.locationFromPosition = function( |
| 2333 | position, include_resource_offset) { |
| 2334 | return this.script_.locationFromPosition(position, include_resource_offset); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2335 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2336 | |
| 2337 | |
| 2338 | ScriptMirror.prototype.sourceSlice = function (opt_from_line, opt_to_line) { |
| 2339 | return this.script_.sourceSlice(opt_from_line, opt_to_line); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2340 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2341 | |
| 2342 | |
| 2343 | ScriptMirror.prototype.context = function() { |
| 2344 | return this.context_; |
| 2345 | }; |
| 2346 | |
| 2347 | |
| 2348 | ScriptMirror.prototype.evalFromScript = function() { |
| 2349 | return MakeMirror(this.script_.eval_from_script); |
| 2350 | }; |
| 2351 | |
| 2352 | |
| 2353 | ScriptMirror.prototype.evalFromFunctionName = function() { |
| 2354 | return MakeMirror(this.script_.eval_from_function_name); |
| 2355 | }; |
| 2356 | |
| 2357 | |
| 2358 | ScriptMirror.prototype.evalFromLocation = function() { |
| 2359 | var eval_from_script = this.evalFromScript(); |
| 2360 | if (!eval_from_script.isUndefined()) { |
| 2361 | var position = this.script_.eval_from_script_position; |
| 2362 | return eval_from_script.locationFromPosition(position, true); |
| 2363 | } |
| 2364 | }; |
| 2365 | |
| 2366 | |
| 2367 | ScriptMirror.prototype.toText = function() { |
| 2368 | var result = ''; |
| 2369 | result += this.name(); |
| 2370 | result += ' (lines: '; |
| 2371 | if (this.lineOffset() > 0) { |
| 2372 | result += this.lineOffset(); |
| 2373 | result += '-'; |
| 2374 | result += this.lineOffset() + this.lineCount() - 1; |
| 2375 | } else { |
| 2376 | result += this.lineCount(); |
| 2377 | } |
| 2378 | result += ')'; |
| 2379 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2380 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2381 | |
| 2382 | |
| 2383 | /** |
| 2384 | * Mirror object for context. |
| 2385 | * @param {Object} data The context data |
| 2386 | * @constructor |
| 2387 | * @extends Mirror |
| 2388 | */ |
| 2389 | function ContextMirror(data) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2390 | %_CallFunction(this, CONTEXT_TYPE, Mirror); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2391 | this.data_ = data; |
| 2392 | this.allocateHandle_(); |
| 2393 | } |
| 2394 | inherits(ContextMirror, Mirror); |
| 2395 | |
| 2396 | |
| 2397 | ContextMirror.prototype.data = function() { |
| 2398 | return this.data_; |
| 2399 | }; |
| 2400 | |
| 2401 | |
| 2402 | /** |
| 2403 | * Returns a mirror serializer |
| 2404 | * |
| 2405 | * @param {boolean} details Set to true to include details |
| 2406 | * @param {Object} options Options comtrolling the serialization |
| 2407 | * The following options can be set: |
| 2408 | * includeSource: include ths full source of scripts |
| 2409 | * @returns {MirrorSerializer} mirror serializer |
| 2410 | */ |
| 2411 | function MakeMirrorSerializer(details, options) { |
| 2412 | return new JSONProtocolSerializer(details, options); |
| 2413 | } |
| 2414 | |
| 2415 | |
| 2416 | /** |
| 2417 | * Object for serializing a mirror objects and its direct references. |
| 2418 | * @param {boolean} details Indicates whether to include details for the mirror |
| 2419 | * serialized |
| 2420 | * @constructor |
| 2421 | */ |
| 2422 | function JSONProtocolSerializer(details, options) { |
| 2423 | this.details_ = details; |
| 2424 | this.options_ = options; |
| 2425 | this.mirrors_ = [ ]; |
| 2426 | } |
| 2427 | |
| 2428 | |
| 2429 | /** |
| 2430 | * Returns a serialization of an object reference. The referenced object are |
| 2431 | * added to the serialization state. |
| 2432 | * |
| 2433 | * @param {Mirror} mirror The mirror to serialize |
| 2434 | * @returns {String} JSON serialization |
| 2435 | */ |
| 2436 | JSONProtocolSerializer.prototype.serializeReference = function(mirror) { |
| 2437 | return this.serialize_(mirror, true, true); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2438 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2439 | |
| 2440 | |
| 2441 | /** |
| 2442 | * Returns a serialization of an object value. The referenced objects are |
| 2443 | * added to the serialization state. |
| 2444 | * |
| 2445 | * @param {Mirror} mirror The mirror to serialize |
| 2446 | * @returns {String} JSON serialization |
| 2447 | */ |
| 2448 | JSONProtocolSerializer.prototype.serializeValue = function(mirror) { |
| 2449 | var json = this.serialize_(mirror, false, true); |
| 2450 | return json; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2451 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2452 | |
| 2453 | |
| 2454 | /** |
| 2455 | * Returns a serialization of all the objects referenced. |
| 2456 | * |
| 2457 | * @param {Mirror} mirror The mirror to serialize. |
| 2458 | * @returns {Array.<Object>} Array of the referenced objects converted to |
| 2459 | * protcol objects. |
| 2460 | */ |
| 2461 | JSONProtocolSerializer.prototype.serializeReferencedObjects = function() { |
| 2462 | // Collect the protocol representation of the referenced objects in an array. |
| 2463 | var content = []; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2464 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2465 | // Get the number of referenced objects. |
| 2466 | var count = this.mirrors_.length; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2467 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2468 | for (var i = 0; i < count; i++) { |
| 2469 | content.push(this.serialize_(this.mirrors_[i], false, false)); |
| 2470 | } |
| 2471 | |
| 2472 | return content; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2473 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2474 | |
| 2475 | |
| 2476 | JSONProtocolSerializer.prototype.includeSource_ = function() { |
| 2477 | return this.options_ && this.options_.includeSource; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2478 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2479 | |
| 2480 | |
| 2481 | JSONProtocolSerializer.prototype.inlineRefs_ = function() { |
| 2482 | return this.options_ && this.options_.inlineRefs; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2483 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2484 | |
| 2485 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2486 | JSONProtocolSerializer.prototype.maxStringLength_ = function() { |
| 2487 | if (IS_UNDEFINED(this.options_) || |
| 2488 | IS_UNDEFINED(this.options_.maxStringLength)) { |
| 2489 | return kMaxProtocolStringLength; |
| 2490 | } |
| 2491 | return this.options_.maxStringLength; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2492 | }; |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2493 | |
| 2494 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2495 | JSONProtocolSerializer.prototype.add_ = function(mirror) { |
| 2496 | // If this mirror is already in the list just return. |
| 2497 | for (var i = 0; i < this.mirrors_.length; i++) { |
| 2498 | if (this.mirrors_[i] === mirror) { |
| 2499 | return; |
| 2500 | } |
| 2501 | } |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2502 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2503 | // Add the mirror to the list of mirrors to be serialized. |
| 2504 | this.mirrors_.push(mirror); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2505 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2506 | |
| 2507 | |
| 2508 | /** |
| 2509 | * Formats mirror object to protocol reference object with some data that can |
| 2510 | * be used to display the value in debugger. |
| 2511 | * @param {Mirror} mirror Mirror to serialize. |
| 2512 | * @return {Object} Protocol reference object. |
| 2513 | */ |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2514 | JSONProtocolSerializer.prototype.serializeReferenceWithDisplayData_ = |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2515 | function(mirror) { |
| 2516 | var o = {}; |
| 2517 | o.ref = mirror.handle(); |
| 2518 | o.type = mirror.type(); |
| 2519 | switch (mirror.type()) { |
| 2520 | case UNDEFINED_TYPE: |
| 2521 | case NULL_TYPE: |
| 2522 | case BOOLEAN_TYPE: |
| 2523 | case NUMBER_TYPE: |
| 2524 | o.value = mirror.value(); |
| 2525 | break; |
| 2526 | case STRING_TYPE: |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2527 | o.value = mirror.getTruncatedValue(this.maxStringLength_()); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2528 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2529 | case SYMBOL_TYPE: |
| 2530 | o.description = mirror.description(); |
| 2531 | break; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2532 | case FUNCTION_TYPE: |
| 2533 | o.name = mirror.name(); |
| 2534 | o.inferredName = mirror.inferredName(); |
| 2535 | if (mirror.script()) { |
| 2536 | o.scriptId = mirror.script().id(); |
| 2537 | } |
| 2538 | break; |
| 2539 | case ERROR_TYPE: |
| 2540 | case REGEXP_TYPE: |
| 2541 | o.value = mirror.toText(); |
| 2542 | break; |
| 2543 | case OBJECT_TYPE: |
| 2544 | o.className = mirror.className(); |
| 2545 | break; |
| 2546 | } |
| 2547 | return o; |
| 2548 | }; |
| 2549 | |
| 2550 | |
| 2551 | JSONProtocolSerializer.prototype.serialize_ = function(mirror, reference, |
| 2552 | details) { |
| 2553 | // If serializing a reference to a mirror just return the reference and add |
| 2554 | // the mirror to the referenced mirrors. |
| 2555 | if (reference && |
| 2556 | (mirror.isValue() || mirror.isScript() || mirror.isContext())) { |
| 2557 | if (this.inlineRefs_() && mirror.isValue()) { |
| 2558 | return this.serializeReferenceWithDisplayData_(mirror); |
| 2559 | } else { |
| 2560 | this.add_(mirror); |
| 2561 | return {'ref' : mirror.handle()}; |
| 2562 | } |
| 2563 | } |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2564 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2565 | // Collect the JSON property/value pairs. |
| 2566 | var content = {}; |
| 2567 | |
| 2568 | // Add the mirror handle. |
| 2569 | if (mirror.isValue() || mirror.isScript() || mirror.isContext()) { |
| 2570 | content.handle = mirror.handle(); |
| 2571 | } |
| 2572 | |
| 2573 | // Always add the type. |
| 2574 | content.type = mirror.type(); |
| 2575 | |
| 2576 | switch (mirror.type()) { |
| 2577 | case UNDEFINED_TYPE: |
| 2578 | case NULL_TYPE: |
| 2579 | // Undefined and null are represented just by their type. |
| 2580 | break; |
| 2581 | |
| 2582 | case BOOLEAN_TYPE: |
| 2583 | // Boolean values are simply represented by their value. |
| 2584 | content.value = mirror.value(); |
| 2585 | break; |
| 2586 | |
| 2587 | case NUMBER_TYPE: |
| 2588 | // Number values are simply represented by their value. |
| 2589 | content.value = NumberToJSON_(mirror.value()); |
| 2590 | break; |
| 2591 | |
| 2592 | case STRING_TYPE: |
| 2593 | // String values might have their value cropped to keep down size. |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2594 | if (this.maxStringLength_() != -1 && |
| 2595 | mirror.length() > this.maxStringLength_()) { |
| 2596 | var str = mirror.getTruncatedValue(this.maxStringLength_()); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2597 | content.value = str; |
| 2598 | content.fromIndex = 0; |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2599 | content.toIndex = this.maxStringLength_(); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2600 | } else { |
| 2601 | content.value = mirror.value(); |
| 2602 | } |
| 2603 | content.length = mirror.length(); |
| 2604 | break; |
| 2605 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2606 | case SYMBOL_TYPE: |
| 2607 | content.description = mirror.description(); |
| 2608 | break; |
| 2609 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2610 | case OBJECT_TYPE: |
| 2611 | case FUNCTION_TYPE: |
| 2612 | case ERROR_TYPE: |
| 2613 | case REGEXP_TYPE: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2614 | case PROMISE_TYPE: |
| 2615 | case GENERATOR_TYPE: |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2616 | // Add object representation. |
| 2617 | this.serializeObject_(mirror, content, details); |
| 2618 | break; |
| 2619 | |
| 2620 | case PROPERTY_TYPE: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2621 | case INTERNAL_PROPERTY_TYPE: |
| 2622 | throw new Error('PropertyMirror cannot be serialized independently'); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2623 | break; |
| 2624 | |
| 2625 | case FRAME_TYPE: |
| 2626 | // Add object representation. |
| 2627 | this.serializeFrame_(mirror, content); |
| 2628 | break; |
| 2629 | |
| 2630 | case SCOPE_TYPE: |
| 2631 | // Add object representation. |
| 2632 | this.serializeScope_(mirror, content); |
| 2633 | break; |
| 2634 | |
| 2635 | case SCRIPT_TYPE: |
| 2636 | // Script is represented by id, name and source attributes. |
| 2637 | if (mirror.name()) { |
| 2638 | content.name = mirror.name(); |
| 2639 | } |
| 2640 | content.id = mirror.id(); |
| 2641 | content.lineOffset = mirror.lineOffset(); |
| 2642 | content.columnOffset = mirror.columnOffset(); |
| 2643 | content.lineCount = mirror.lineCount(); |
| 2644 | if (mirror.data()) { |
| 2645 | content.data = mirror.data(); |
| 2646 | } |
| 2647 | if (this.includeSource_()) { |
| 2648 | content.source = mirror.source(); |
| 2649 | } else { |
| 2650 | var sourceStart = mirror.source().substring(0, 80); |
| 2651 | content.sourceStart = sourceStart; |
| 2652 | } |
| 2653 | content.sourceLength = mirror.source().length; |
| 2654 | content.scriptType = mirror.scriptType(); |
| 2655 | content.compilationType = mirror.compilationType(); |
| 2656 | // For compilation type eval emit information on the script from which |
| 2657 | // eval was called if a script is present. |
| 2658 | if (mirror.compilationType() == 1 && |
| 2659 | mirror.evalFromScript()) { |
| 2660 | content.evalFromScript = |
| 2661 | this.serializeReference(mirror.evalFromScript()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2662 | var evalFromLocation = mirror.evalFromLocation(); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2663 | if (evalFromLocation) { |
| 2664 | content.evalFromLocation = { line: evalFromLocation.line, |
| 2665 | column: evalFromLocation.column }; |
| 2666 | } |
| 2667 | if (mirror.evalFromFunctionName()) { |
| 2668 | content.evalFromFunctionName = mirror.evalFromFunctionName(); |
| 2669 | } |
| 2670 | } |
| 2671 | if (mirror.context()) { |
| 2672 | content.context = this.serializeReference(mirror.context()); |
| 2673 | } |
| 2674 | break; |
| 2675 | |
| 2676 | case CONTEXT_TYPE: |
| 2677 | content.data = mirror.data(); |
| 2678 | break; |
| 2679 | } |
| 2680 | |
| 2681 | // Always add the text representation. |
| 2682 | content.text = mirror.toText(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2683 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2684 | // Create and return the JSON string. |
| 2685 | return content; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2686 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2687 | |
| 2688 | |
| 2689 | /** |
| 2690 | * Serialize object information to the following JSON format. |
| 2691 | * |
| 2692 | * {"className":"<class name>", |
| 2693 | * "constructorFunction":{"ref":<number>}, |
| 2694 | * "protoObject":{"ref":<number>}, |
| 2695 | * "prototypeObject":{"ref":<number>}, |
| 2696 | * "namedInterceptor":<boolean>, |
| 2697 | * "indexedInterceptor":<boolean>, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2698 | * "properties":[<properties>], |
| 2699 | * "internalProperties":[<internal properties>]} |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2700 | */ |
| 2701 | JSONProtocolSerializer.prototype.serializeObject_ = function(mirror, content, |
| 2702 | details) { |
| 2703 | // Add general object properties. |
| 2704 | content.className = mirror.className(); |
| 2705 | content.constructorFunction = |
| 2706 | this.serializeReference(mirror.constructorFunction()); |
| 2707 | content.protoObject = this.serializeReference(mirror.protoObject()); |
| 2708 | content.prototypeObject = this.serializeReference(mirror.prototypeObject()); |
| 2709 | |
| 2710 | // Add flags to indicate whether there are interceptors. |
| 2711 | if (mirror.hasNamedInterceptor()) { |
| 2712 | content.namedInterceptor = true; |
| 2713 | } |
| 2714 | if (mirror.hasIndexedInterceptor()) { |
| 2715 | content.indexedInterceptor = true; |
| 2716 | } |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2717 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2718 | if (mirror.isFunction()) { |
| 2719 | // Add function specific properties. |
| 2720 | content.name = mirror.name(); |
| 2721 | if (!IS_UNDEFINED(mirror.inferredName())) { |
| 2722 | content.inferredName = mirror.inferredName(); |
| 2723 | } |
| 2724 | content.resolved = mirror.resolved(); |
| 2725 | if (mirror.resolved()) { |
| 2726 | content.source = mirror.source(); |
| 2727 | } |
| 2728 | if (mirror.script()) { |
| 2729 | content.script = this.serializeReference(mirror.script()); |
| 2730 | content.scriptId = mirror.script().id(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2731 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2732 | serializeLocationFields(mirror.sourceLocation(), content); |
| 2733 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2734 | |
| 2735 | content.scopes = []; |
| 2736 | for (var i = 0; i < mirror.scopeCount(); i++) { |
| 2737 | var scope = mirror.scope(i); |
| 2738 | content.scopes.push({ |
| 2739 | type: scope.scopeType(), |
| 2740 | index: i |
| 2741 | }); |
| 2742 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2743 | } |
| 2744 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2745 | if (mirror.isGenerator()) { |
| 2746 | // Add generator specific properties. |
| 2747 | |
| 2748 | // Either 'running', 'closed', or 'suspended'. |
| 2749 | content.status = mirror.status(); |
| 2750 | |
| 2751 | content.func = this.serializeReference(mirror.func()) |
| 2752 | content.receiver = this.serializeReference(mirror.receiver()) |
| 2753 | |
| 2754 | // If the generator is suspended, the content add line/column properties. |
| 2755 | serializeLocationFields(mirror.sourceLocation(), content); |
| 2756 | |
| 2757 | // TODO(wingo): Also serialize a reference to the context (scope chain). |
| 2758 | } |
| 2759 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2760 | if (mirror.isDate()) { |
| 2761 | // Add date specific properties. |
| 2762 | content.value = mirror.value(); |
| 2763 | } |
| 2764 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2765 | if (mirror.isPromise()) { |
| 2766 | // Add promise specific properties. |
| 2767 | content.status = mirror.status(); |
| 2768 | content.promiseValue = this.serializeReference(mirror.promiseValue()); |
| 2769 | } |
| 2770 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2771 | // Add actual properties - named properties followed by indexed properties. |
| 2772 | var propertyNames = mirror.propertyNames(PropertyKind.Named); |
| 2773 | var propertyIndexes = mirror.propertyNames(PropertyKind.Indexed); |
| 2774 | var p = new Array(propertyNames.length + propertyIndexes.length); |
| 2775 | for (var i = 0; i < propertyNames.length; i++) { |
| 2776 | var propertyMirror = mirror.property(propertyNames[i]); |
| 2777 | p[i] = this.serializeProperty_(propertyMirror); |
| 2778 | if (details) { |
| 2779 | this.add_(propertyMirror.value()); |
| 2780 | } |
| 2781 | } |
| 2782 | for (var i = 0; i < propertyIndexes.length; i++) { |
| 2783 | var propertyMirror = mirror.property(propertyIndexes[i]); |
| 2784 | p[propertyNames.length + i] = this.serializeProperty_(propertyMirror); |
| 2785 | if (details) { |
| 2786 | this.add_(propertyMirror.value()); |
| 2787 | } |
| 2788 | } |
| 2789 | content.properties = p; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2790 | |
| 2791 | var internalProperties = mirror.internalProperties(); |
| 2792 | if (internalProperties.length > 0) { |
| 2793 | var ip = []; |
| 2794 | for (var i = 0; i < internalProperties.length; i++) { |
| 2795 | ip.push(this.serializeInternalProperty_(internalProperties[i])); |
| 2796 | } |
| 2797 | content.internalProperties = ip; |
| 2798 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2799 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2800 | |
| 2801 | |
| 2802 | /** |
| 2803 | * Serialize location information to the following JSON format: |
| 2804 | * |
| 2805 | * "position":"<position>", |
| 2806 | * "line":"<line>", |
| 2807 | * "column":"<column>", |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2808 | * |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2809 | * @param {SourceLocation} location The location to serialize, may be undefined. |
| 2810 | */ |
| 2811 | function serializeLocationFields (location, content) { |
| 2812 | if (!location) { |
| 2813 | return; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2814 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2815 | content.position = location.position; |
| 2816 | var line = location.line; |
| 2817 | if (!IS_UNDEFINED(line)) { |
| 2818 | content.line = line; |
| 2819 | } |
| 2820 | var column = location.column; |
| 2821 | if (!IS_UNDEFINED(column)) { |
| 2822 | content.column = column; |
| 2823 | } |
| 2824 | } |
| 2825 | |
| 2826 | |
| 2827 | /** |
| 2828 | * Serialize property information to the following JSON format for building the |
| 2829 | * array of properties. |
| 2830 | * |
| 2831 | * {"name":"<property name>", |
| 2832 | * "attributes":<number>, |
| 2833 | * "propertyType":<number>, |
| 2834 | * "ref":<number>} |
| 2835 | * |
| 2836 | * If the attribute for the property is PropertyAttribute.None it is not added. |
| 2837 | * If the propertyType for the property is PropertyType.Normal it is not added. |
| 2838 | * Here are a couple of examples. |
| 2839 | * |
| 2840 | * {"name":"hello","ref":1} |
| 2841 | * {"name":"length","attributes":7,"propertyType":3,"ref":2} |
| 2842 | * |
| 2843 | * @param {PropertyMirror} propertyMirror The property to serialize. |
| 2844 | * @returns {Object} Protocol object representing the property. |
| 2845 | */ |
| 2846 | JSONProtocolSerializer.prototype.serializeProperty_ = function(propertyMirror) { |
| 2847 | var result = {}; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2848 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2849 | result.name = propertyMirror.name(); |
| 2850 | var propertyValue = propertyMirror.value(); |
| 2851 | if (this.inlineRefs_() && propertyValue.isValue()) { |
| 2852 | result.value = this.serializeReferenceWithDisplayData_(propertyValue); |
| 2853 | } else { |
| 2854 | if (propertyMirror.attributes() != PropertyAttribute.None) { |
| 2855 | result.attributes = propertyMirror.attributes(); |
| 2856 | } |
| 2857 | if (propertyMirror.propertyType() != PropertyType.Normal) { |
| 2858 | result.propertyType = propertyMirror.propertyType(); |
| 2859 | } |
| 2860 | result.ref = propertyValue.handle(); |
| 2861 | } |
| 2862 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2863 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2864 | |
| 2865 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2866 | /** |
| 2867 | * Serialize internal property information to the following JSON format for |
| 2868 | * building the array of properties. |
| 2869 | * |
| 2870 | * {"name":"<property name>", |
| 2871 | * "ref":<number>} |
| 2872 | * |
| 2873 | * {"name":"[[BoundThis]]","ref":117} |
| 2874 | * |
| 2875 | * @param {InternalPropertyMirror} propertyMirror The property to serialize. |
| 2876 | * @returns {Object} Protocol object representing the property. |
| 2877 | */ |
| 2878 | JSONProtocolSerializer.prototype.serializeInternalProperty_ = |
| 2879 | function(propertyMirror) { |
| 2880 | var result = {}; |
| 2881 | |
| 2882 | result.name = propertyMirror.name(); |
| 2883 | var propertyValue = propertyMirror.value(); |
| 2884 | if (this.inlineRefs_() && propertyValue.isValue()) { |
| 2885 | result.value = this.serializeReferenceWithDisplayData_(propertyValue); |
| 2886 | } else { |
| 2887 | result.ref = propertyValue.handle(); |
| 2888 | } |
| 2889 | return result; |
| 2890 | }; |
| 2891 | |
| 2892 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2893 | JSONProtocolSerializer.prototype.serializeFrame_ = function(mirror, content) { |
| 2894 | content.index = mirror.index(); |
| 2895 | content.receiver = this.serializeReference(mirror.receiver()); |
| 2896 | var func = mirror.func(); |
| 2897 | content.func = this.serializeReference(func); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2898 | var script = func.script(); |
| 2899 | if (script) { |
| 2900 | content.script = this.serializeReference(script); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2901 | } |
| 2902 | content.constructCall = mirror.isConstructCall(); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 2903 | content.atReturn = mirror.isAtReturn(); |
| 2904 | if (mirror.isAtReturn()) { |
| 2905 | content.returnValue = this.serializeReference(mirror.returnValue()); |
| 2906 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2907 | content.debuggerFrame = mirror.isDebuggerFrame(); |
| 2908 | var x = new Array(mirror.argumentCount()); |
| 2909 | for (var i = 0; i < mirror.argumentCount(); i++) { |
| 2910 | var arg = {}; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2911 | var argument_name = mirror.argumentName(i); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2912 | if (argument_name) { |
| 2913 | arg.name = argument_name; |
| 2914 | } |
| 2915 | arg.value = this.serializeReference(mirror.argumentValue(i)); |
| 2916 | x[i] = arg; |
| 2917 | } |
| 2918 | content.arguments = x; |
| 2919 | var x = new Array(mirror.localCount()); |
| 2920 | for (var i = 0; i < mirror.localCount(); i++) { |
| 2921 | var local = {}; |
| 2922 | local.name = mirror.localName(i); |
| 2923 | local.value = this.serializeReference(mirror.localValue(i)); |
| 2924 | x[i] = local; |
| 2925 | } |
| 2926 | content.locals = x; |
| 2927 | serializeLocationFields(mirror.sourceLocation(), content); |
| 2928 | var source_line_text = mirror.sourceLineText(); |
| 2929 | if (!IS_UNDEFINED(source_line_text)) { |
| 2930 | content.sourceLineText = source_line_text; |
| 2931 | } |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2932 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2933 | content.scopes = []; |
| 2934 | for (var i = 0; i < mirror.scopeCount(); i++) { |
| 2935 | var scope = mirror.scope(i); |
| 2936 | content.scopes.push({ |
| 2937 | type: scope.scopeType(), |
| 2938 | index: i |
| 2939 | }); |
| 2940 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2941 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2942 | |
| 2943 | |
| 2944 | JSONProtocolSerializer.prototype.serializeScope_ = function(mirror, content) { |
| 2945 | content.index = mirror.scopeIndex(); |
| 2946 | content.frameIndex = mirror.frameIndex(); |
| 2947 | content.type = mirror.scopeType(); |
| 2948 | content.object = this.inlineRefs_() ? |
| 2949 | this.serializeValue(mirror.scopeObject()) : |
| 2950 | this.serializeReference(mirror.scopeObject()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2951 | }; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2952 | |
| 2953 | |
| 2954 | /** |
| 2955 | * Convert a number to a protocol value. For all finite numbers the number |
| 2956 | * itself is returned. For non finite numbers NaN, Infinite and |
| 2957 | * -Infinite the string representation "NaN", "Infinite" or "-Infinite" |
| 2958 | * (not including the quotes) is returned. |
| 2959 | * |
| 2960 | * @param {number} value The number value to convert to a protocol value. |
| 2961 | * @returns {number|string} Protocol value. |
| 2962 | */ |
| 2963 | function NumberToJSON_(value) { |
| 2964 | if (isNaN(value)) { |
| 2965 | return 'NaN'; |
| 2966 | } |
Steve Block | 9fac840 | 2011-05-12 15:51:54 +0100 | [diff] [blame] | 2967 | if (!NUMBER_IS_FINITE(value)) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2968 | if (value > 0) { |
| 2969 | return 'Infinity'; |
| 2970 | } else { |
| 2971 | return '-Infinity'; |
| 2972 | } |
| 2973 | } |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2974 | return value; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2975 | } |