| OLD | NEW |
| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // ------------------------------------------------------------------- | 5 // ------------------------------------------------------------------- |
| 6 | 6 |
| 7 var $errorToString; | 7 var $errorToString; |
| 8 var $formatMessage; | 8 var $formatMessage; |
| 9 var $getStackTraceLine; | 9 var $getStackTraceLine; |
| 10 var $messageGetPositionInLine; | 10 var $messageGetPositionInLine; |
| (...skipping 220 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 231 str = "#<error>"; | 231 str = "#<error>"; |
| 232 } | 232 } |
| 233 } | 233 } |
| 234 } | 234 } |
| 235 result += str; | 235 result += str; |
| 236 } | 236 } |
| 237 return result; | 237 return result; |
| 238 } | 238 } |
| 239 | 239 |
| 240 | 240 |
| 241 function NoSideEffectsObjectToString() { |
| 242 if (IS_UNDEFINED(this) && !IS_UNDETECTABLE(this)) return "[object Undefined]"; |
| 243 if (IS_NULL(this)) return "[object Null]"; |
| 244 return "[object " + %_ClassOf(TO_OBJECT_INLINE(this)) + "]"; |
| 245 } |
| 246 |
| 247 |
| 241 function NoSideEffectToString(obj) { | 248 function NoSideEffectToString(obj) { |
| 242 if (IS_STRING(obj)) return obj; | 249 if (IS_STRING(obj)) return obj; |
| 243 if (IS_NUMBER(obj)) return %_NumberToString(obj); | 250 if (IS_NUMBER(obj)) return %_NumberToString(obj); |
| 244 if (IS_BOOLEAN(obj)) return obj ? 'true' : 'false'; | 251 if (IS_BOOLEAN(obj)) return obj ? 'true' : 'false'; |
| 245 if (IS_UNDEFINED(obj)) return 'undefined'; | 252 if (IS_UNDEFINED(obj)) return 'undefined'; |
| 246 if (IS_NULL(obj)) return 'null'; | 253 if (IS_NULL(obj)) return 'null'; |
| 247 if (IS_FUNCTION(obj)) { | 254 if (IS_FUNCTION(obj)) { |
| 248 var str = %_CallFunction(obj, FunctionToString); | 255 var str = %_CallFunction(obj, obj, $functionSourceString); |
| 249 if (str.length > 128) { | 256 if (str.length > 128) { |
| 250 str = %_SubString(str, 0, 111) + "...<omitted>..." + | 257 str = %_SubString(str, 0, 111) + "...<omitted>..." + |
| 251 %_SubString(str, str.length - 2, str.length); | 258 %_SubString(str, str.length - 2, str.length); |
| 252 } | 259 } |
| 253 return str; | 260 return str; |
| 254 } | 261 } |
| 255 if (IS_SYMBOL(obj)) return %_CallFunction(obj, $symbolToString); | 262 if (IS_SYMBOL(obj)) return %_CallFunction(obj, $symbolToString); |
| 256 if (IS_OBJECT(obj) | 263 if (IS_OBJECT(obj) |
| 257 && %GetDataProperty(obj, "toString") === ObjectToString) { | 264 && %GetDataProperty(obj, "toString") === $objectToString) { |
| 258 var constructor = %GetDataProperty(obj, "constructor"); | 265 var constructor = %GetDataProperty(obj, "constructor"); |
| 259 if (typeof constructor == "function") { | 266 if (typeof constructor == "function") { |
| 260 var constructorName = constructor.name; | 267 var constructorName = constructor.name; |
| 261 if (IS_STRING(constructorName) && constructorName !== "") { | 268 if (IS_STRING(constructorName) && constructorName !== "") { |
| 262 return "#<" + constructorName + ">"; | 269 return "#<" + constructorName + ">"; |
| 263 } | 270 } |
| 264 } | 271 } |
| 265 } | 272 } |
| 266 if (CanBeSafelyTreatedAsAnErrorObject(obj)) { | 273 if (CanBeSafelyTreatedAsAnErrorObject(obj)) { |
| 267 return %_CallFunction(obj, ErrorToString); | 274 return %_CallFunction(obj, ErrorToString); |
| (...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 299 function ToStringCheckErrorObject(obj) { | 306 function ToStringCheckErrorObject(obj) { |
| 300 if (CanBeSafelyTreatedAsAnErrorObject(obj)) { | 307 if (CanBeSafelyTreatedAsAnErrorObject(obj)) { |
| 301 return %_CallFunction(obj, ErrorToString); | 308 return %_CallFunction(obj, ErrorToString); |
| 302 } else { | 309 } else { |
| 303 return ToString(obj); | 310 return ToString(obj); |
| 304 } | 311 } |
| 305 } | 312 } |
| 306 | 313 |
| 307 | 314 |
| 308 function ToDetailString(obj) { | 315 function ToDetailString(obj) { |
| 309 if (obj != null && IS_OBJECT(obj) && obj.toString === ObjectToString) { | 316 if (obj != null && IS_OBJECT(obj) && obj.toString === $objectToString) { |
| 310 var constructor = obj.constructor; | 317 var constructor = obj.constructor; |
| 311 if (typeof constructor == "function") { | 318 if (typeof constructor == "function") { |
| 312 var constructorName = constructor.name; | 319 var constructorName = constructor.name; |
| 313 if (IS_STRING(constructorName) && constructorName !== "") { | 320 if (IS_STRING(constructorName) && constructorName !== "") { |
| 314 return "#<" + constructorName + ">"; | 321 return "#<" + constructorName + ">"; |
| 315 } | 322 } |
| 316 } | 323 } |
| 317 } | 324 } |
| 318 return ToStringCheckErrorObject(obj); | 325 return ToStringCheckErrorObject(obj); |
| 319 } | 326 } |
| (...skipping 257 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 577 * | 584 * |
| 578 * @return {?string} script name if present, value for //# sourceURL or | 585 * @return {?string} script name if present, value for //# sourceURL or |
| 579 * deprecated //@ sourceURL comment otherwise. | 586 * deprecated //@ sourceURL comment otherwise. |
| 580 */ | 587 */ |
| 581 function ScriptNameOrSourceURL() { | 588 function ScriptNameOrSourceURL() { |
| 582 if (this.source_url) return this.source_url; | 589 if (this.source_url) return this.source_url; |
| 583 return this.name; | 590 return this.name; |
| 584 } | 591 } |
| 585 | 592 |
| 586 | 593 |
| 587 SetUpLockedPrototype(Script, [ | 594 $setUpLockedPrototype(Script, [ |
| 588 "source", | 595 "source", |
| 589 "name", | 596 "name", |
| 590 "source_url", | 597 "source_url", |
| 591 "source_mapping_url", | 598 "source_mapping_url", |
| 592 "line_ends", | 599 "line_ends", |
| 593 "line_offset", | 600 "line_offset", |
| 594 "column_offset" | 601 "column_offset" |
| 595 ], [ | 602 ], [ |
| 596 "lineFromPosition", ScriptLineFromPosition, | 603 "lineFromPosition", ScriptLineFromPosition, |
| 597 "locationFromPosition", ScriptLocationFromPosition, | 604 "locationFromPosition", ScriptLocationFromPosition, |
| (...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 641 * Source text for this location. | 648 * Source text for this location. |
| 642 */ | 649 */ |
| 643 function SourceLocationSourceText() { | 650 function SourceLocationSourceText() { |
| 644 return %_CallFunction(this.script.source, | 651 return %_CallFunction(this.script.source, |
| 645 this.start, | 652 this.start, |
| 646 this.end, | 653 this.end, |
| 647 $stringSubstring); | 654 $stringSubstring); |
| 648 } | 655 } |
| 649 | 656 |
| 650 | 657 |
| 651 SetUpLockedPrototype(SourceLocation, | 658 $setUpLockedPrototype(SourceLocation, |
| 652 ["script", "position", "line", "column", "start", "end"], | 659 ["script", "position", "line", "column", "start", "end"], |
| 653 ["sourceText", SourceLocationSourceText] | 660 ["sourceText", SourceLocationSourceText] |
| 654 ); | 661 ); |
| 655 | 662 |
| 656 | 663 |
| 657 /** | 664 /** |
| 658 * Class for a source slice. A source slice is a part of a script source with | 665 * Class for a source slice. A source slice is a part of a script source with |
| 659 * the following properties: | 666 * the following properties: |
| 660 * script : script object for the source | 667 * script : script object for the source |
| 661 * from_line : line number for the first line in the slice | 668 * from_line : line number for the first line in the slice |
| (...skipping 23 matching lines...) Expand all Loading... |
| 685 * @return {String} Source text for this slice. The last line will include | 692 * @return {String} Source text for this slice. The last line will include |
| 686 * the line terminating characters (if any) | 693 * the line terminating characters (if any) |
| 687 */ | 694 */ |
| 688 function SourceSliceSourceText() { | 695 function SourceSliceSourceText() { |
| 689 return %_CallFunction(this.script.source, | 696 return %_CallFunction(this.script.source, |
| 690 this.from_position, | 697 this.from_position, |
| 691 this.to_position, | 698 this.to_position, |
| 692 $stringSubstring); | 699 $stringSubstring); |
| 693 } | 700 } |
| 694 | 701 |
| 695 SetUpLockedPrototype(SourceSlice, | 702 $setUpLockedPrototype(SourceSlice, |
| 696 ["script", "from_line", "to_line", "from_position", "to_position"], | 703 ["script", "from_line", "to_line", "from_position", "to_position"], |
| 697 ["sourceText", SourceSliceSourceText] | 704 ["sourceText", SourceSliceSourceText] |
| 698 ); | 705 ); |
| 699 | 706 |
| 700 | 707 |
| 701 // Returns the offset of the given position within the containing | 708 // Returns the offset of the given position within the containing |
| 702 // line. | 709 // line. |
| 703 function GetPositionInLine(message) { | 710 function GetPositionInLine(message) { |
| 704 var script = %MessageGetScript(message); | 711 var script = %MessageGetScript(message); |
| 705 var start_position = %MessageGetStartPosition(message); | 712 var start_position = %MessageGetStartPosition(message); |
| (...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 780 return %CallSiteGetFunctionNameRT(receiver, fun, pos); | 787 return %CallSiteGetFunctionNameRT(receiver, fun, pos); |
| 781 } | 788 } |
| 782 | 789 |
| 783 function CallSiteGetMethodName() { | 790 function CallSiteGetMethodName() { |
| 784 // See if we can find a unique property on the receiver that holds | 791 // See if we can find a unique property on the receiver that holds |
| 785 // this function. | 792 // this function. |
| 786 var receiver = GET_PRIVATE(this, CallSiteReceiverKey); | 793 var receiver = GET_PRIVATE(this, CallSiteReceiverKey); |
| 787 var fun = GET_PRIVATE(this, CallSiteFunctionKey); | 794 var fun = GET_PRIVATE(this, CallSiteFunctionKey); |
| 788 var ownName = fun.name; | 795 var ownName = fun.name; |
| 789 if (ownName && receiver && | 796 if (ownName && receiver && |
| 790 (%_CallFunction(receiver, ownName, ObjectLookupGetter) === fun || | 797 (%_CallFunction(receiver, ownName, $objectLookupGetter) === fun || |
| 791 %_CallFunction(receiver, ownName, ObjectLookupSetter) === fun || | 798 %_CallFunction(receiver, ownName, $objectLookupSetter) === fun || |
| 792 (IS_OBJECT(receiver) && %GetDataProperty(receiver, ownName) === fun))) { | 799 (IS_OBJECT(receiver) && %GetDataProperty(receiver, ownName) === fun))) { |
| 793 // To handle DontEnum properties we guess that the method has | 800 // To handle DontEnum properties we guess that the method has |
| 794 // the same name as the function. | 801 // the same name as the function. |
| 795 return ownName; | 802 return ownName; |
| 796 } | 803 } |
| 797 var name = null; | 804 var name = null; |
| 798 for (var prop in receiver) { | 805 for (var prop in receiver) { |
| 799 if (%_CallFunction(receiver, prop, ObjectLookupGetter) === fun || | 806 if (%_CallFunction(receiver, prop, $objectLookupGetter) === fun || |
| 800 %_CallFunction(receiver, prop, ObjectLookupSetter) === fun || | 807 %_CallFunction(receiver, prop, $objectLookupSetter) === fun || |
| 801 (IS_OBJECT(receiver) && %GetDataProperty(receiver, prop) === fun)) { | 808 (IS_OBJECT(receiver) && %GetDataProperty(receiver, prop) === fun)) { |
| 802 // If we find more than one match bail out to avoid confusion. | 809 // If we find more than one match bail out to avoid confusion. |
| 803 if (name) { | 810 if (name) { |
| 804 return null; | 811 return null; |
| 805 } | 812 } |
| 806 name = prop; | 813 name = prop; |
| 807 } | 814 } |
| 808 } | 815 } |
| 809 if (name) { | 816 if (name) { |
| 810 return name; | 817 return name; |
| (...skipping 96 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 907 } else { | 914 } else { |
| 908 line += fileLocation; | 915 line += fileLocation; |
| 909 addSuffix = false; | 916 addSuffix = false; |
| 910 } | 917 } |
| 911 if (addSuffix) { | 918 if (addSuffix) { |
| 912 line += " (" + fileLocation + ")"; | 919 line += " (" + fileLocation + ")"; |
| 913 } | 920 } |
| 914 return line; | 921 return line; |
| 915 } | 922 } |
| 916 | 923 |
| 917 SetUpLockedPrototype(CallSite, ["receiver", "fun", "pos"], [ | 924 $setUpLockedPrototype(CallSite, ["receiver", "fun", "pos"], [ |
| 918 "getThis", CallSiteGetThis, | 925 "getThis", CallSiteGetThis, |
| 919 "getTypeName", CallSiteGetTypeName, | 926 "getTypeName", CallSiteGetTypeName, |
| 920 "isToplevel", CallSiteIsToplevel, | 927 "isToplevel", CallSiteIsToplevel, |
| 921 "isEval", CallSiteIsEval, | 928 "isEval", CallSiteIsEval, |
| 922 "getEvalOrigin", CallSiteGetEvalOrigin, | 929 "getEvalOrigin", CallSiteGetEvalOrigin, |
| 923 "getScriptNameOrSourceURL", CallSiteGetScriptNameOrSourceURL, | 930 "getScriptNameOrSourceURL", CallSiteGetScriptNameOrSourceURL, |
| 924 "getFunction", CallSiteGetFunction, | 931 "getFunction", CallSiteGetFunction, |
| 925 "getFunctionName", CallSiteGetFunctionName, | 932 "getFunctionName", CallSiteGetFunctionName, |
| 926 "getMethodName", CallSiteGetMethodName, | 933 "getMethodName", CallSiteGetMethodName, |
| 927 "getFileName", CallSiteGetFileName, | 934 "getFileName", CallSiteGetFileName, |
| (...skipping 168 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1096 SET_PRIVATE(this, $stackTraceSymbol, UNDEFINED); | 1103 SET_PRIVATE(this, $stackTraceSymbol, UNDEFINED); |
| 1097 SET_PRIVATE(this, formatted_stack_trace_symbol, v); | 1104 SET_PRIVATE(this, formatted_stack_trace_symbol, v); |
| 1098 } | 1105 } |
| 1099 }; | 1106 }; |
| 1100 | 1107 |
| 1101 | 1108 |
| 1102 // Use a dummy function since we do not actually want to capture a stack trace | 1109 // Use a dummy function since we do not actually want to capture a stack trace |
| 1103 // when constructing the initial Error prototytpes. | 1110 // when constructing the initial Error prototytpes. |
| 1104 var captureStackTrace = function captureStackTrace(obj, cons_opt) { | 1111 var captureStackTrace = function captureStackTrace(obj, cons_opt) { |
| 1105 // Define accessors first, as this may fail and throw. | 1112 // Define accessors first, as this may fail and throw. |
| 1106 ObjectDefineProperty(obj, 'stack', { get: StackTraceGetter, | 1113 $objectDefineProperty(obj, 'stack', { get: StackTraceGetter, |
| 1107 set: StackTraceSetter, | 1114 set: StackTraceSetter, |
| 1108 configurable: true }); | 1115 configurable: true }); |
| 1109 %CollectStackTrace(obj, cons_opt ? cons_opt : captureStackTrace); | 1116 %CollectStackTrace(obj, cons_opt ? cons_opt : captureStackTrace); |
| 1110 } | 1117 } |
| 1111 | 1118 |
| 1112 | 1119 |
| 1113 // Define special error type constructors. | 1120 // Define special error type constructors. |
| 1114 function DefineError(f) { | 1121 function DefineError(f) { |
| 1115 // Store the error function in both the global object | 1122 // Store the error function in both the global object |
| 1116 // and the runtime object. The function is fetched | 1123 // and the runtime object. The function is fetched |
| 1117 // from the runtime object when throwing errors from | 1124 // from the runtime object when throwing errors from |
| 1118 // within the runtime system to avoid strange side | 1125 // within the runtime system to avoid strange side |
| (...skipping 103 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1222 } catch(e) { | 1229 } catch(e) { |
| 1223 // If this error message was encountered already return the empty | 1230 // If this error message was encountered already return the empty |
| 1224 // string for it instead of recursively formatting it. | 1231 // string for it instead of recursively formatting it. |
| 1225 if (e === cyclic_error_marker) { | 1232 if (e === cyclic_error_marker) { |
| 1226 return ''; | 1233 return ''; |
| 1227 } | 1234 } |
| 1228 throw e; | 1235 throw e; |
| 1229 } | 1236 } |
| 1230 } | 1237 } |
| 1231 | 1238 |
| 1232 InstallFunctions(GlobalError.prototype, DONT_ENUM, ['toString', ErrorToString]); | 1239 $installFunctions(GlobalError.prototype, DONT_ENUM, |
| 1240 ['toString', ErrorToString]); |
| 1233 | 1241 |
| 1234 $errorToString = ErrorToString; | 1242 $errorToString = ErrorToString; |
| 1235 $formatMessage = FormatMessage; | 1243 $formatMessage = FormatMessage; |
| 1236 $getStackTraceLine = GetStackTraceLine; | 1244 $getStackTraceLine = GetStackTraceLine; |
| 1237 $messageGetPositionInLine = GetPositionInLine; | 1245 $messageGetPositionInLine = GetPositionInLine; |
| 1238 $messageGetLineNumber = GetLineNumber; | 1246 $messageGetLineNumber = GetLineNumber; |
| 1239 $messageGetSourceLine = GetSourceLine; | 1247 $messageGetSourceLine = GetSourceLine; |
| 1240 $toDetailString = ToDetailString; | 1248 $toDetailString = ToDetailString; |
| 1241 | 1249 |
| 1242 $Error = GlobalError; | 1250 $Error = GlobalError; |
| (...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1289 return MakeGenericError(GlobalTypeError, type, [arg]); | 1297 return MakeGenericError(GlobalTypeError, type, [arg]); |
| 1290 } | 1298 } |
| 1291 | 1299 |
| 1292 //Boilerplate for exceptions for stack overflows. Used from | 1300 //Boilerplate for exceptions for stack overflows. Used from |
| 1293 //Isolate::StackOverflow(). | 1301 //Isolate::StackOverflow(). |
| 1294 $stackOverflowBoilerplate = MakeRangeError(kStackOverflow); | 1302 $stackOverflowBoilerplate = MakeRangeError(kStackOverflow); |
| 1295 %DefineAccessorPropertyUnchecked($stackOverflowBoilerplate, 'stack', | 1303 %DefineAccessorPropertyUnchecked($stackOverflowBoilerplate, 'stack', |
| 1296 StackTraceGetter, StackTraceSetter, DONT_ENUM); | 1304 StackTraceGetter, StackTraceSetter, DONT_ENUM); |
| 1297 | 1305 |
| 1298 })(); | 1306 })(); |
| OLD | NEW |