1 // Copyright 2006-2008 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. 4 5 // The infrastructure used for (localized) message reporting in V8. 6 // 7 // Note: there's a big unresolved issue about ownership of the data 8 // structures used by this framework. 9 10 #ifndef V8_MESSAGES_H_ 11 #define V8_MESSAGES_H_ 12 13 #include "src/base/smart-pointers.h" 14 #include "src/handles.h" 15 #include "src/list.h" 16 17 namespace v8 { 18 namespace internal { 19 20 // Forward declarations. 21 class JSMessageObject; 22 class LookupIterator; 23 class SourceInfo; 24 25 class MessageLocation { 26 public: 27 MessageLocation(Handle<Script> script, int start_pos, int end_pos, 28 Handle<JSFunction> function = Handle<JSFunction>()) 29 : script_(script), 30 start_pos_(start_pos), 31 end_pos_(end_pos), 32 function_(function) {} 33 MessageLocation() : start_pos_(-1), end_pos_(-1) { } 34 35 Handle<Script> script() const { return script_; } 36 int start_pos() const { return start_pos_; } 37 int end_pos() const { return end_pos_; } 38 Handle<JSFunction> function() const { return function_; } 39 40 private: 41 Handle<Script> script_; 42 int start_pos_; 43 int end_pos_; 44 Handle<JSFunction> function_; 45 }; 46 47 48 class CallSite { 49 public: 50 CallSite(Isolate* isolate, Handle<JSObject> call_site_obj); 51 52 Handle<Object> GetFileName(); 53 Handle<Object> GetFunctionName(); 54 Handle<Object> GetScriptNameOrSourceUrl(); 55 Handle<Object> GetMethodName(); 56 // Return 1-based line number, including line offset. 57 int GetLineNumber(); 58 // Return 1-based column number, including column offset if first line. 59 int GetColumnNumber(); 60 bool IsNative(); 61 bool IsToplevel(); 62 bool IsEval(); 63 bool IsConstructor(); 64 65 bool IsValid() { return !fun_.is_null(); } 66 67 private: 68 Isolate* isolate_; 69 Handle<Object> receiver_; 70 Handle<JSFunction> fun_; 71 int32_t pos_; 72 }; 73 74 75 #define MESSAGE_TEMPLATES(T) \ 76 /* Error */ \ 77 T(None, "") \ 78 T(CyclicProto, "Cyclic __proto__ value") \ 79 T(Debugger, "Debugger: %") \ 80 T(DebuggerLoading, "Error loading debugger") \ 81 T(DefaultOptionsMissing, "Internal % error. Default options are missing.") \ 82 T(UncaughtException, "Uncaught %") \ 83 T(Unsupported, "Not supported") \ 84 T(WrongServiceType, "Internal error, wrong service type: %") \ 85 T(WrongValueType, "Internal error. Wrong value type.") \ 86 /* TypeError */ \ 87 T(ApplyNonFunction, \ 88 "Function.prototype.apply was called on %, which is a % and not a " \ 89 "function") \ 90 T(ArrayBufferTooShort, \ 91 "Derived ArrayBuffer constructor created a buffer which was too small") \ 92 T(ArrayBufferSpeciesThis, \ 93 "ArrayBuffer subclass returned this from species constructor") \ 94 T(ArrayFunctionsOnFrozen, "Cannot modify frozen array elements") \ 95 T(ArrayFunctionsOnSealed, "Cannot add/remove sealed array elements") \ 96 T(ArrayNotSubclassable, "Subclassing Arrays is not currently supported.") \ 97 T(CalledNonCallable, "% is not a function") \ 98 T(CalledOnNonObject, "% called on non-object") \ 99 T(CalledOnNullOrUndefined, "% called on null or undefined") \ 100 T(CallSiteExpectsFunction, \ 101 "CallSite expects function as second argument, got %") \ 102 T(CannotConvertToPrimitive, "Cannot convert object to primitive value") \ 103 T(CannotPreventExt, "Cannot prevent extensions") \ 104 T(CannotFreezeArrayBufferView, \ 105 "Cannot freeze array buffer views with elements") \ 106 T(CircularStructure, "Converting circular structure to JSON") \ 107 T(ConstructAbstractClass, "Abstract class % not directly constructable") \ 108 T(ConstAssign, "Assignment to constant variable.") \ 109 T(ConstructorNonCallable, \ 110 "Class constructor % cannot be invoked without 'new'") \ 111 T(ConstructorNotFunction, "Constructor % requires 'new'") \ 112 T(ConstructorNotReceiver, "The .constructor property is not an object") \ 113 T(CurrencyCode, "Currency code is required with currency style.") \ 114 T(DataViewNotArrayBuffer, \ 115 "First argument to DataView constructor must be an ArrayBuffer") \ 116 T(DateType, "this is not a Date object.") \ 117 T(DebuggerFrame, "Debugger: Invalid frame index.") \ 118 T(DebuggerType, "Debugger: Parameters have wrong types.") \ 119 T(DeclarationMissingInitializer, "Missing initializer in % declaration") \ 120 T(DefineDisallowed, "Cannot define property:%, object is not extensible.") \ 121 T(DuplicateTemplateProperty, "Object template has duplicate property '%'") \ 122 T(ExtendsValueGenerator, \ 123 "Class extends value % may not be a generator function") \ 124 T(ExtendsValueNotFunction, \ 125 "Class extends value % is not a function or null") \ 126 T(FirstArgumentNotRegExp, \ 127 "First argument to % must not be a regular expression") \ 128 T(FunctionBind, "Bind must be called on a function") \ 129 T(GeneratorRunning, "Generator is already running") \ 130 T(IllegalInvocation, "Illegal invocation") \ 131 T(IncompatibleMethodReceiver, "Method % called on incompatible receiver %") \ 132 T(InstanceofFunctionExpected, \ 133 "Expecting a function in instanceof check, but got %") \ 134 T(InstanceofNonobjectProto, \ 135 "Function has non-object prototype '%' in instanceof check") \ 136 T(InvalidArgument, "invalid_argument") \ 137 T(InvalidInOperatorUse, "Cannot use 'in' operator to search for '%' in %") \ 138 T(InvalidSimdOperation, "% is not a valid type for this SIMD operation.") \ 139 T(IteratorResultNotAnObject, "Iterator result % is not an object") \ 140 T(IteratorValueNotAnObject, "Iterator value % is not an entry object") \ 141 T(LanguageID, "Language ID should be string or object.") \ 142 T(MethodCalledOnWrongObject, \ 143 "Method % called on a non-object or on a wrong type of object.") \ 144 T(MethodInvokedOnNullOrUndefined, \ 145 "Method invoked on undefined or null value.") \ 146 T(MethodInvokedOnWrongType, "Method invoked on an object that is not %.") \ 147 T(NoAccess, "no access") \ 148 T(NonCoercible, "Cannot match against 'undefined' or 'null'.") \ 149 T(NonExtensibleProto, "% is not extensible") \ 150 T(NonObjectPropertyLoad, "Cannot read property '%' of %") \ 151 T(NonObjectPropertyStore, "Cannot set property '%' of %") \ 152 T(NoSetterInCallback, "Cannot set property % of % which has only a getter") \ 153 T(NotAnIterator, "% is not an iterator") \ 154 T(NotAPromise, "% is not a promise") \ 155 T(NotConstructor, "% is not a constructor") \ 156 T(NotDateObject, "this is not a Date object.") \ 157 T(NotIntlObject, "% is not an i18n object.") \ 158 T(NotGeneric, "% is not generic") \ 159 T(NotIterable, "% is not iterable") \ 160 T(NotPropertyName, "% is not a valid property name") \ 161 T(NotTypedArray, "this is not a typed array.") \ 162 T(NotSharedTypedArray, "% is not a shared typed array.") \ 163 T(NotIntegerSharedTypedArray, "% is not an integer shared typed array.") \ 164 T(NotInt32SharedTypedArray, "% is not an int32 shared typed array.") \ 165 T(ObjectGetterExpectingFunction, \ 166 "Object.prototype.__defineGetter__: Expecting function") \ 167 T(ObjectGetterCallable, "Getter must be a function: %") \ 168 T(ObjectNotExtensible, "Can't add property %, object is not extensible") \ 169 T(ObjectSetterExpectingFunction, \ 170 "Object.prototype.__defineSetter__: Expecting function") \ 171 T(ObjectSetterCallable, "Setter must be a function: %") \ 172 T(ObserveCallbackFrozen, \ 173 "Object.observe cannot deliver to a frozen function object") \ 174 T(ObserveGlobalProxy, "% cannot be called on the global proxy object") \ 175 T(ObserveAccessChecked, "% cannot be called on access-checked objects") \ 176 T(ObserveInvalidAccept, \ 177 "Third argument to Object.observe must be an array of strings.") \ 178 T(ObserveNonFunction, "Object.% cannot deliver to non-function") \ 179 T(ObserveNonObject, "Object.% cannot % non-object") \ 180 T(ObserveNotifyNonNotifier, "notify called on non-notifier object") \ 181 T(ObservePerformNonFunction, "Cannot perform non-function") \ 182 T(ObservePerformNonString, "Invalid non-string changeType") \ 183 T(ObserveTypeNonString, \ 184 "Invalid changeRecord with non-string 'type' property") \ 185 T(OrdinaryFunctionCalledAsConstructor, \ 186 "Function object that's not a constructor was created with new") \ 187 T(PromiseCyclic, "Chaining cycle detected for promise %") \ 188 T(PromiseExecutorAlreadyInvoked, \ 189 "Promise executor has already been invoked with non-undefined arguments") \ 190 T(PropertyDescObject, "Property description must be an object: %") \ 191 T(PropertyNotFunction, \ 192 "'%' returned for property '%' of object '%' is not a function") \ 193 T(ProtoObjectOrNull, "Object prototype may only be an Object or null: %") \ 194 T(PrototypeParentNotAnObject, \ 195 "Class extends value does not have valid prototype property %") \ 196 T(ProxyConstructNonObject, \ 197 "'construct' on proxy: trap returned non-object ('%')") \ 198 T(ProxyDefinePropertyNonConfigurable, \ 199 "'defineProperty' on proxy: trap returned truish for defining " \ 200 "non-configurable property '%' which is either non-existant or " \ 201 "configurable in the proxy target") \ 202 T(ProxyDefinePropertyNonExtensible, \ 203 "'defineProperty' on proxy: trap returned truish for adding property '%' " \ 204 " to the non-extensible proxy target") \ 205 T(ProxyDefinePropertyIncompatible, \ 206 "'defineProperty' on proxy: trap returned truish for adding property '%' " \ 207 " that is incompatible with the existing property in the proxy target") \ 208 T(ProxyDeletePropertyNonConfigurable, \ 209 "'deleteProperty' on proxy: trap returned truish for property '%' which " \ 210 "is non-configurable in the proxy target") \ 211 T(ProxyEnumerateNonObject, "'enumerate' on proxy: trap returned non-object") \ 212 T(ProxyEnumerateNonString, \ 213 "'enumerate' on proxy: trap result includes non-string") \ 214 T(ProxyGetNonConfigurableData, \ 215 "'get' on proxy: property '%' is a read-only and " \ 216 "non-configurable data property on the proxy target but the proxy " \ 217 "did not return its actual value (expected '%' but got '%')") \ 218 T(ProxyGetNonConfigurableAccessor, \ 219 "'get' on proxy: property '%' is a non-configurable accessor " \ 220 "property on the proxy target and does not have a getter function, but " \ 221 "the trap did not return 'undefined' (got '%')") \ 222 T(ProxyGetOwnPropertyDescriptorIncompatible, \ 223 "'getOwnPropertyDescriptor' on proxy: trap returned descriptor for " \ 224 "property '%' that is incompatible with the existing property in the " \ 225 "proxy target") \ 226 T(ProxyGetOwnPropertyDescriptorInvalid, \ 227 "'getOwnPropertyDescriptor' on proxy: trap returned neither object nor " \ 228 "undefined for property '%'") \ 229 T(ProxyGetOwnPropertyDescriptorNonConfigurable, \ 230 "'getOwnPropertyDescriptor' on proxy: trap reported non-configurability " \ 231 "for property '%' which is either non-existant or configurable in the " \ 232 "proxy target") \ 233 T(ProxyGetOwnPropertyDescriptorNonExtensible, \ 234 "'getOwnPropertyDescriptor' on proxy: trap returned undefined for " \ 235 "property '%' which exists in the non-extensible proxy target") \ 236 T(ProxyGetOwnPropertyDescriptorUndefined, \ 237 "'getOwnPropertyDescriptor' on proxy: trap returned undefined for " \ 238 "property '%' which is non-configurable in the proxy target") \ 239 T(ProxyGetPrototypeOfInvalid, \ 240 "'getPrototypeOf' on proxy: trap returned neither object nor null") \ 241 T(ProxyGetPrototypeOfNonExtensible, \ 242 "'getPrototypeOf' on proxy: proxy target is non-extensible but the " \ 243 "trap did not return its actual prototype") \ 244 T(ProxyHandlerOrTargetRevoked, \ 245 "Cannot create proxy with a revoked proxy as target or handler") \ 246 T(ProxyHasNonConfigurable, \ 247 "'has' on proxy: trap returned falsish for property '%' which exists in " \ 248 "the proxy target as non-configurable") \ 249 T(ProxyHasNonExtensible, \ 250 "'has' on proxy: trap returned falsish for property '%' but the proxy " \ 251 "target is not extensible") \ 252 T(ProxyIsExtensibleInconsistent, \ 253 "'isExtensible' on proxy: trap result does not reflect extensibility of " \ 254 "proxy target (which is '%')") \ 255 T(ProxyNonObject, \ 256 "Cannot create proxy with a non-object as target or handler") \ 257 T(ProxyOwnKeysMissing, \ 258 "'ownKeys' on proxy: trap result did not include '%'") \ 259 T(ProxyOwnKeysNonExtensible, \ 260 "'ownKeys' on proxy: trap returned extra keys but proxy target is " \ 261 "non-extensible") \ 262 T(ProxyPreventExtensionsExtensible, \ 263 "'preventExtensions' on proxy: trap returned truish but the proxy target " \ 264 "is extensible") \ 265 T(ProxyPrivate, "Cannot pass private property name to proxy trap") \ 266 T(ProxyRevoked, "Cannot perform '%' on a proxy that has been revoked") \ 267 T(ProxySetFrozenData, \ 268 "'set' on proxy: trap returned truish for property '%' which exists in " \ 269 "the proxy target as a non-configurable and non-writable data property " \ 270 "with a different value") \ 271 T(ProxySetFrozenAccessor, \ 272 "'set' on proxy: trap returned truish for property '%' which exists in " \ 273 "the proxy target as a non-configurable and non-writable accessor " \ 274 "property without a setter") \ 275 T(ProxySetPrototypeOfNonExtensible, \ 276 "'setPrototypeOf' on proxy: trap returned truish for setting a new " \ 277 "prototype on the non-extensible proxy target") \ 278 T(ProxyTrapReturnedFalsish, "'%' on proxy: trap returned falsish") \ 279 T(ProxyTrapReturnedFalsishFor, \ 280 "'%' on proxy: trap returned falsish for property '%'") \ 281 T(ReadGlobalReferenceThroughProxy, "Trying to access '%' through proxy") \ 282 T(RedefineDisallowed, "Cannot redefine property: %") \ 283 T(RedefineExternalArray, \ 284 "Cannot redefine a property of an object with external array elements") \ 285 T(ReduceNoInitial, "Reduce of empty array with no initial value") \ 286 T(RegExpFlags, \ 287 "Cannot supply flags when constructing one RegExp from another") \ 288 T(RegExpNonObject, "% getter called on non-object %") \ 289 T(RegExpNonRegExp, "% getter called on non-RegExp object") \ 290 T(ReinitializeIntl, "Trying to re-initialize % object.") \ 291 T(ResolvedOptionsCalledOnNonObject, \ 292 "resolvedOptions method called on a non-object or on a object that is " \ 293 "not Intl.%.") \ 294 T(ResolverNotAFunction, "Promise resolver % is not a function") \ 295 T(RestrictedFunctionProperties, \ 296 "'caller' and 'arguments' are restricted function properties and cannot " \ 297 "be accessed in this context.") \ 298 T(StaticPrototype, "Classes may not have static property named prototype") \ 299 T(StrictCannotAssign, "Cannot assign to read only '%' in strict mode") \ 300 T(StrictDeleteProperty, "Cannot delete property '%' of %") \ 301 T(StrictPoisonPill, \ 302 "'caller', 'callee', and 'arguments' properties may not be accessed on " \ 303 "strict mode functions or the arguments objects for calls to them") \ 304 T(StrictReadOnlyProperty, \ 305 "Cannot assign to read only property '%' of % '%'") \ 306 T(StrictCannotCreateProperty, "Cannot create property '%' on % '%'") \ 307 T(StrongArity, \ 308 "In strong mode, calling a function with too few arguments is deprecated") \ 309 T(StrongDeleteProperty, \ 310 "Deleting property '%' of strong object '%' is deprecated") \ 311 T(StrongExtendNull, "In strong mode, classes extending null are deprecated") \ 312 T(StrongImplicitConversion, \ 313 "In strong mode, implicit conversions are deprecated") \ 314 T(StrongRedefineDisallowed, \ 315 "On strong object %, redefining writable, non-configurable property '%' " \ 316 "to be non-writable is deprecated") \ 317 T(StrongSetProto, \ 318 "On strong object %, redefining the internal prototype is deprecated") \ 319 T(SymbolKeyFor, "% is not a symbol") \ 320 T(SymbolToNumber, "Cannot convert a Symbol value to a number") \ 321 T(SymbolToString, "Cannot convert a Symbol value to a string") \ 322 T(SimdToNumber, "Cannot convert a SIMD value to a number") \ 323 T(UndefinedOrNullToObject, "Cannot convert undefined or null to object") \ 324 T(ValueAndAccessor, \ 325 "Invalid property descriptor. Cannot both specify accessors and a value " \ 326 "or writable attribute, %") \ 327 T(VarRedeclaration, "Identifier '%' has already been declared") \ 328 T(WrongArgs, "%: Arguments list has wrong type") \ 329 /* ReferenceError */ \ 330 T(NonMethod, "'super' is referenced from non-method") \ 331 T(NotDefined, "% is not defined") \ 332 T(StrongSuperCallMissing, \ 333 "In strong mode, invoking the super constructor in a subclass is " \ 334 "required") \ 335 T(StrongUnboundGlobal, \ 336 "In strong mode, using an undeclared global variable '%' is not allowed") \ 337 T(UnsupportedSuper, "Unsupported reference to 'super'") \ 338 /* RangeError */ \ 339 T(DateRange, "Provided date is not in valid range.") \ 340 T(ExpectedTimezoneID, \ 341 "Expected Area/Location(/Location)* for time zone, got %") \ 342 T(ExpectedLocation, \ 343 "Expected letters optionally connected with underscores or hyphens for " \ 344 "a location, got %") \ 345 T(InvalidArrayBufferLength, "Invalid array buffer length") \ 346 T(ArrayBufferAllocationFailed, "Array buffer allocation failed") \ 347 T(InvalidArrayLength, "Invalid array length") \ 348 T(InvalidCodePoint, "Invalid code point %") \ 349 T(InvalidCountValue, "Invalid count value") \ 350 T(InvalidCurrencyCode, "Invalid currency code: %") \ 351 T(InvalidDataViewAccessorOffset, \ 352 "Offset is outside the bounds of the DataView") \ 353 T(InvalidDataViewLength, "Invalid data view length") \ 354 T(InvalidDataViewOffset, "Start offset is outside the bounds of the buffer") \ 355 T(InvalidHint, "Invalid hint: %") \ 356 T(InvalidLanguageTag, "Invalid language tag: %") \ 357 T(InvalidWeakMapKey, "Invalid value used as weak map key") \ 358 T(InvalidWeakSetValue, "Invalid value used in weak set") \ 359 T(InvalidStringLength, "Invalid string length") \ 360 T(InvalidTimeValue, "Invalid time value") \ 361 T(InvalidTypedArrayAlignment, "% of % should be a multiple of %") \ 362 T(InvalidTypedArrayLength, "Invalid typed array length") \ 363 T(InvalidTypedArrayOffset, "Start offset is too large:") \ 364 T(LetInLexicalBinding, "let is disallowed as a lexically bound name") \ 365 T(LocaleMatcher, "Illegal value for localeMatcher:%") \ 366 T(NormalizationForm, "The normalization form should be one of %.") \ 367 T(NumberFormatRange, "% argument must be between 0 and 20") \ 368 T(PropertyValueOutOfRange, "% value is out of range.") \ 369 T(StackOverflow, "Maximum call stack size exceeded") \ 370 T(ToPrecisionFormatRange, "toPrecision() argument must be between 1 and 21") \ 371 T(ToRadixFormatRange, "toString() radix argument must be between 2 and 36") \ 372 T(TypedArraySetNegativeOffset, "Start offset is negative") \ 373 T(TypedArraySetSourceTooLarge, "Source is too large") \ 374 T(UnsupportedTimeZone, "Unsupported time zone specified %") \ 375 T(ValueOutOfRange, "Value % out of range for % options property %") \ 376 /* SyntaxError */ \ 377 T(BadGetterArity, "Getter must not have any formal parameters.") \ 378 T(BadSetterArity, "Setter must have exactly one formal parameter.") \ 379 T(ConstructorIsAccessor, "Class constructor may not be an accessor") \ 380 T(ConstructorIsGenerator, "Class constructor may not be a generator") \ 381 T(DerivedConstructorReturn, \ 382 "Derived constructors may only return object or undefined") \ 383 T(DuplicateConstructor, "A class may only have one constructor") \ 384 T(DuplicateExport, "Duplicate export of '%'") \ 385 T(DuplicateProto, \ 386 "Duplicate __proto__ fields are not allowed in object literals") \ 387 T(ForInLoopInitializer, \ 388 "for-in loop variable declaration may not have an initializer.") \ 389 T(ForInOfLoopMultiBindings, \ 390 "Invalid left-hand side in % loop: Must have a single binding.") \ 391 T(ForOfLoopInitializer, \ 392 "for-of loop variable declaration may not have an initializer.") \ 393 T(IllegalAccess, "Illegal access") \ 394 T(IllegalBreak, "Illegal break statement") \ 395 T(IllegalContinue, "Illegal continue statement") \ 396 T(IllegalLanguageModeDirective, \ 397 "Illegal '%' directive in function with non-simple parameter list") \ 398 T(IllegalReturn, "Illegal return statement") \ 399 T(InvalidEscapedReservedWord, "Keyword must not contain escaped characters") \ 400 T(InvalidLhsInAssignment, "Invalid left-hand side in assignment") \ 401 T(InvalidCoverInitializedName, "Invalid shorthand property initializer") \ 402 T(InvalidDestructuringTarget, "Invalid destructuring assignment target") \ 403 T(InvalidLhsInFor, "Invalid left-hand side in for-loop") \ 404 T(InvalidLhsInPostfixOp, \ 405 "Invalid left-hand side expression in postfix operation") \ 406 T(InvalidLhsInPrefixOp, \ 407 "Invalid left-hand side expression in prefix operation") \ 408 T(InvalidRegExpFlags, "Invalid flags supplied to RegExp constructor '%'") \ 409 T(LabelRedeclaration, "Label '%' has already been declared") \ 410 T(MalformedArrowFunParamList, "Malformed arrow function parameter list") \ 411 T(MalformedRegExp, "Invalid regular expression: /%/: %") \ 412 T(MalformedRegExpFlags, "Invalid regular expression flags") \ 413 T(ModuleExportUndefined, "Export '%' is not defined in module") \ 414 T(MultipleDefaultsInSwitch, \ 415 "More than one default clause in switch statement") \ 416 T(NewlineAfterThrow, "Illegal newline after throw") \ 417 T(NoCatchOrFinally, "Missing catch or finally after try") \ 418 T(NotIsvar, "builtin %%IS_VAR: not a variable") \ 419 T(ParamAfterRest, "Rest parameter must be last formal parameter") \ 420 T(PushPastSafeLength, \ 421 "Pushing % elements on an array-like of length % " \ 422 "is disallowed, as the total surpasses 2**53-1") \ 423 T(ElementAfterRest, "Rest element must be last element in array") \ 424 T(BadSetterRestParameter, \ 425 "Setter function argument must not be a rest parameter") \ 426 T(ParamDupe, "Duplicate parameter name not allowed in this context") \ 427 T(ParenthesisInArgString, "Function arg string contains parenthesis") \ 428 T(SingleFunctionLiteral, "Single function literal required") \ 429 T(SloppyLexical, \ 430 "Block-scoped declarations (let, const, function, class) not yet " \ 431 "supported outside strict mode") \ 432 T(SpeciesNotConstructor, \ 433 "object.constructor[Symbol.species] is not a constructor") \ 434 T(StrictDelete, "Delete of an unqualified identifier in strict mode.") \ 435 T(StrictEvalArguments, "Unexpected eval or arguments in strict mode") \ 436 T(StrictFunction, \ 437 "In strict mode code, functions can only be declared at top level or " \ 438 "immediately within another function.") \ 439 T(StrictOctalLiteral, "Octal literals are not allowed in strict mode.") \ 440 T(StrictWith, "Strict mode code may not include a with statement") \ 441 T(StrongArguments, \ 442 "In strong mode, 'arguments' is deprecated, use '...args' instead") \ 443 T(StrongConstructorDirective, \ 444 "\"use strong\" directive is disallowed in class constructor body") \ 445 T(StrongConstructorReturnMisplaced, \ 446 "In strong mode, returning from a constructor before its super " \ 447 "constructor invocation or all assignments to 'this' is deprecated") \ 448 T(StrongConstructorReturnValue, \ 449 "In strong mode, returning a value from a constructor is deprecated") \ 450 T(StrongConstructorSuper, \ 451 "In strong mode, 'super' can only be used to invoke the super " \ 452 "constructor, and cannot be nested inside another statement or " \ 453 "expression") \ 454 T(StrongConstructorThis, \ 455 "In strong mode, 'this' can only be used to initialize properties, and " \ 456 "cannot be nested inside another statement or expression") \ 457 T(StrongDelete, \ 458 "In strong mode, 'delete' is deprecated, use maps or sets instead") \ 459 T(StrongDirectEval, "In strong mode, direct calls to eval are deprecated") \ 460 T(StrongEllision, \ 461 "In strong mode, arrays with holes are deprecated, use maps instead") \ 462 T(StrongEmpty, \ 463 "In strong mode, empty sub-statements are deprecated, make them explicit " \ 464 "with '{}' instead") \ 465 T(StrongEqual, \ 466 "In strong mode, '==' and '!=' are deprecated, use '===' and '!==' " \ 467 "instead") \ 468 T(StrongForIn, \ 469 "In strong mode, 'for'-'in' loops are deprecated, use 'for'-'of' instead") \ 470 T(StrongPropertyAccess, \ 471 "In strong mode, accessing missing property '%' of % is deprecated") \ 472 T(StrongSuperCallDuplicate, \ 473 "In strong mode, invoking the super constructor multiple times is " \ 474 "deprecated") \ 475 T(StrongSuperCallMisplaced, \ 476 "In strong mode, the super constructor must be invoked before any " \ 477 "assignment to 'this'") \ 478 T(StrongSwitchFallthrough, \ 479 "In strong mode, switch fall-through is deprecated, terminate each case " \ 480 "with 'break', 'continue', 'return' or 'throw'") \ 481 T(StrongUndefined, \ 482 "In strong mode, binding or assigning to 'undefined' is deprecated") \ 483 T(StrongUseBeforeDeclaration, \ 484 "In strong mode, declaring variable '%' before its use is required") \ 485 T(StrongVar, \ 486 "In strong mode, 'var' is deprecated, use 'let' or 'const' instead") \ 487 T(TemplateOctalLiteral, \ 488 "Octal literals are not allowed in template strings.") \ 489 T(ThisFormalParameter, "'this' is not a valid formal parameter name") \ 490 T(TooManyArguments, \ 491 "Too many arguments in function call (only 65535 allowed)") \ 492 T(TooManyParameters, \ 493 "Too many parameters in function definition (only 65535 allowed)") \ 494 T(TooManyVariables, "Too many variables declared (only 4194303 allowed)") \ 495 T(TypedArrayTooShort, \ 496 "Derived TypedArray constructor created an array which was too small") \ 497 T(UnexpectedEOS, "Unexpected end of input") \ 498 T(UnexpectedReserved, "Unexpected reserved word") \ 499 T(UnexpectedStrictReserved, "Unexpected strict mode reserved word") \ 500 T(UnexpectedSuper, "'super' keyword unexpected here") \ 501 T(UnexpectedNewTarget, "new.target expression is not allowed here") \ 502 T(UnexpectedTemplateString, "Unexpected template string") \ 503 T(UnexpectedToken, "Unexpected token %") \ 504 T(UnexpectedTokenIdentifier, "Unexpected identifier") \ 505 T(UnexpectedTokenNumber, "Unexpected number") \ 506 T(UnexpectedTokenString, "Unexpected string") \ 507 T(UnexpectedTokenRegExp, "Unexpected regular expression") \ 508 T(UnknownLabel, "Undefined label '%'") \ 509 T(UnterminatedArgList, "missing ) after argument list") \ 510 T(UnterminatedRegExp, "Invalid regular expression: missing /") \ 511 T(UnterminatedTemplate, "Unterminated template literal") \ 512 T(UnterminatedTemplateExpr, "Missing } in template expression") \ 513 /* EvalError */ \ 514 T(CodeGenFromStrings, "%") \ 515 /* URIError */ \ 516 T(URIMalformed, "URI malformed") 517 518 class MessageTemplate { 519 public: 520 enum Template { 521 #define TEMPLATE(NAME, STRING) k##NAME, 522 MESSAGE_TEMPLATES(TEMPLATE) 523 #undef TEMPLATE 524 kLastMessage 525 }; 526 527 static const char* TemplateString(int template_index); 528 529 static MaybeHandle<String> FormatMessage(int template_index, 530 Handle<String> arg0, 531 Handle<String> arg1, 532 Handle<String> arg2); 533 534 static Handle<String> FormatMessage(Isolate* isolate, int template_index, 535 Handle<Object> arg); 536 }; 537 538 539 // A message handler is a convenience interface for accessing the list 540 // of message listeners registered in an environment 541 class MessageHandler { 542 public: 543 // Returns a message object for the API to use. 544 static Handle<JSMessageObject> MakeMessageObject( 545 Isolate* isolate, MessageTemplate::Template type, 546 MessageLocation* location, Handle<Object> argument, 547 Handle<JSArray> stack_frames); 548 549 // Report a formatted message (needs JS allocation). 550 static void ReportMessage(Isolate* isolate, MessageLocation* loc, 551 Handle<JSMessageObject> message); 552 553 static void DefaultMessageReport(Isolate* isolate, const MessageLocation* loc, 554 Handle<Object> message_obj); 555 static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data); 556 static base::SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate, 557 Handle<Object> data); 558 }; 559 560 561 } // namespace internal 562 } // namespace v8 563 564 #endif // V8_MESSAGES_H_ 565
