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 MessageLocation(Handle<Script> script, int start_pos, int end_pos, 29 Handle<JSFunction> function); 30 MessageLocation(); 31 32 Handle<Script> script() const { return script_; } 33 int start_pos() const { return start_pos_; } 34 int end_pos() const { return end_pos_; } 35 Handle<JSFunction> function() const { return function_; } 36 37 private: 38 Handle<Script> script_; 39 int start_pos_; 40 int end_pos_; 41 Handle<JSFunction> function_; 42 }; 43 44 45 class CallSite { 46 public: 47 CallSite(Isolate* isolate, Handle<JSObject> call_site_obj); 48 49 Handle<Object> GetFileName(); 50 Handle<Object> GetFunctionName(); 51 Handle<Object> GetScriptNameOrSourceUrl(); 52 Handle<Object> GetMethodName(); 53 // Return 1-based line number, including line offset. 54 int GetLineNumber(); 55 // Return 1-based column number, including column offset if first line. 56 int GetColumnNumber(); 57 bool IsNative(); 58 bool IsToplevel(); 59 bool IsEval(); 60 bool IsConstructor(); 61 62 bool IsJavaScript() { return !fun_.is_null(); } 63 bool IsWasm() { return !wasm_obj_.is_null(); } 64 65 private: 66 Isolate* isolate_; 67 Handle<Object> receiver_; 68 Handle<JSFunction> fun_; 69 int32_t pos_ = -1; 70 Handle<JSObject> wasm_obj_; 71 uint32_t wasm_func_index_ = static_cast<uint32_t>(-1); 72 }; 73 74 #define MESSAGE_TEMPLATES(T) \ 75 /* Error */ \ 76 T(None, "") \ 77 T(CyclicProto, "Cyclic __proto__ value") \ 78 T(Debugger, "Debugger: %") \ 79 T(DebuggerLoading, "Error loading debugger") \ 80 T(DefaultOptionsMissing, "Internal % error. Default options are missing.") \ 81 T(UncaughtException, "Uncaught %") \ 82 T(Unsupported, "Not supported") \ 83 T(WrongServiceType, "Internal error, wrong service type: %") \ 84 T(WrongValueType, "Internal error. Wrong value type.") \ 85 /* TypeError */ \ 86 T(ApplyNonFunction, \ 87 "Function.prototype.apply was called on %, which is a % and not a " \ 88 "function") \ 89 T(ArrayBufferTooShort, \ 90 "Derived ArrayBuffer constructor created a buffer which was too small") \ 91 T(ArrayBufferSpeciesThis, \ 92 "ArrayBuffer subclass returned this from species constructor") \ 93 T(ArrayFunctionsOnFrozen, "Cannot modify frozen array elements") \ 94 T(ArrayFunctionsOnSealed, "Cannot add/remove sealed array elements") \ 95 T(ArrayNotSubclassable, "Subclassing Arrays is not currently supported.") \ 96 T(CalledNonCallable, "% is not a function") \ 97 T(CalledOnNonObject, "% called on non-object") \ 98 T(CalledOnNullOrUndefined, "% called on null or undefined") \ 99 T(CallSiteExpectsFunction, \ 100 "CallSite expects wasm object as first or function as second argument, " \ 101 "got <%, %>") \ 102 T(CallSiteMethod, "CallSite method % expects CallSite as receiver") \ 103 T(CannotConvertToPrimitive, "Cannot convert object to primitive value") \ 104 T(CannotPreventExt, "Cannot prevent extensions") \ 105 T(CannotFreezeArrayBufferView, \ 106 "Cannot freeze array buffer views with elements") \ 107 T(CircularStructure, "Converting circular structure to JSON") \ 108 T(ConstructAbstractClass, "Abstract class % not directly constructable") \ 109 T(ConstAssign, "Assignment to constant variable.") \ 110 T(ConstructorNonCallable, \ 111 "Class constructor % cannot be invoked without 'new'") \ 112 T(ConstructorNotFunction, "Constructor % requires 'new'") \ 113 T(ConstructorNotReceiver, "The .constructor property is not an object") \ 114 T(CurrencyCode, "Currency code is required with currency style.") \ 115 T(DataViewNotArrayBuffer, \ 116 "First argument to DataView constructor must be an ArrayBuffer") \ 117 T(DateType, "this is not a Date object.") \ 118 T(DebuggerFrame, "Debugger: Invalid frame index.") \ 119 T(DebuggerType, "Debugger: Parameters have wrong types.") \ 120 T(DeclarationMissingInitializer, "Missing initializer in % declaration") \ 121 T(DefineDisallowed, "Cannot define property:%, object is not extensible.") \ 122 T(DetachedOperation, "Cannot perform % on a detached ArrayBuffer") \ 123 T(DuplicateTemplateProperty, "Object template has duplicate property '%'") \ 124 T(ExtendsValueNotConstructor, \ 125 "Class extends value % is not a constructor 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(InstanceofNonobjectProto, \ 133 "Function has non-object prototype '%' in instanceof check") \ 134 T(InvalidArgument, "invalid_argument") \ 135 T(InvalidInOperatorUse, "Cannot use 'in' operator to search for '%' in %") \ 136 T(InvalidRegExpExecResult, \ 137 "RegExp exec method returned something other than an Object or null") \ 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(NonCallableInInstanceOfCheck, \ 149 "Right-hand side of 'instanceof' is not callable") \ 150 T(NonCoercible, "Cannot match against 'undefined' or 'null'.") \ 151 T(NonExtensibleProto, "% is not extensible") \ 152 T(NonObjectInInstanceOfCheck, \ 153 "Right-hand side of 'instanceof' is not an object") \ 154 T(NonObjectPropertyLoad, "Cannot read property '%' of %") \ 155 T(NonObjectPropertyStore, "Cannot set property '%' of %") \ 156 T(NoSetterInCallback, "Cannot set property % of % which has only a getter") \ 157 T(NotAnIterator, "% is not an iterator") \ 158 T(NotAPromise, "% is not a promise") \ 159 T(NotConstructor, "% is not a constructor") \ 160 T(NotDateObject, "this is not a Date object.") \ 161 T(NotIntlObject, "% is not an i18n object.") \ 162 T(NotGeneric, "% is not generic") \ 163 T(NotIterable, "% is not iterable") \ 164 T(NotPropertyName, "% is not a valid property name") \ 165 T(NotTypedArray, "this is not a typed array.") \ 166 T(NotSharedTypedArray, "% is not a shared typed array.") \ 167 T(NotIntegerSharedTypedArray, "% is not an integer shared typed array.") \ 168 T(NotInt32SharedTypedArray, "% is not an int32 shared typed array.") \ 169 T(ObjectGetterExpectingFunction, \ 170 "Object.prototype.__defineGetter__: Expecting function") \ 171 T(ObjectGetterCallable, "Getter must be a function: %") \ 172 T(ObjectNotExtensible, "Can't add property %, object is not extensible") \ 173 T(ObjectSetterExpectingFunction, \ 174 "Object.prototype.__defineSetter__: Expecting function") \ 175 T(ObjectSetterCallable, "Setter must be a function: %") \ 176 T(OrdinaryFunctionCalledAsConstructor, \ 177 "Function object that's not a constructor was created with new") \ 178 T(PromiseCyclic, "Chaining cycle detected for promise %") \ 179 T(PromiseExecutorAlreadyInvoked, \ 180 "Promise executor has already been invoked with non-undefined arguments") \ 181 T(PromiseNonCallable, "Promise resolve or reject function is not callable") \ 182 T(PropertyDescObject, "Property description must be an object: %") \ 183 T(PropertyNotFunction, \ 184 "'%' returned for property '%' of object '%' is not a function") \ 185 T(ProtoObjectOrNull, "Object prototype may only be an Object or null: %") \ 186 T(PrototypeParentNotAnObject, \ 187 "Class extends value does not have valid prototype property %") \ 188 T(ProxyConstructNonObject, \ 189 "'construct' on proxy: trap returned non-object ('%')") \ 190 T(ProxyDefinePropertyNonConfigurable, \ 191 "'defineProperty' on proxy: trap returned truish for defining " \ 192 "non-configurable property '%' which is either non-existant or " \ 193 "configurable in the proxy target") \ 194 T(ProxyDefinePropertyNonExtensible, \ 195 "'defineProperty' on proxy: trap returned truish for adding property '%' " \ 196 " to the non-extensible proxy target") \ 197 T(ProxyDefinePropertyIncompatible, \ 198 "'defineProperty' on proxy: trap returned truish for adding property '%' " \ 199 " that is incompatible with the existing property in the proxy target") \ 200 T(ProxyDeletePropertyNonConfigurable, \ 201 "'deleteProperty' on proxy: trap returned truish for property '%' which " \ 202 "is non-configurable in the proxy target") \ 203 T(ProxyGetNonConfigurableData, \ 204 "'get' on proxy: property '%' is a read-only and " \ 205 "non-configurable data property on the proxy target but the proxy " \ 206 "did not return its actual value (expected '%' but got '%')") \ 207 T(ProxyGetNonConfigurableAccessor, \ 208 "'get' on proxy: property '%' is a non-configurable accessor " \ 209 "property on the proxy target and does not have a getter function, but " \ 210 "the trap did not return 'undefined' (got '%')") \ 211 T(ProxyGetOwnPropertyDescriptorIncompatible, \ 212 "'getOwnPropertyDescriptor' on proxy: trap returned descriptor for " \ 213 "property '%' that is incompatible with the existing property in the " \ 214 "proxy target") \ 215 T(ProxyGetOwnPropertyDescriptorInvalid, \ 216 "'getOwnPropertyDescriptor' on proxy: trap returned neither object nor " \ 217 "undefined for property '%'") \ 218 T(ProxyGetOwnPropertyDescriptorNonConfigurable, \ 219 "'getOwnPropertyDescriptor' on proxy: trap reported non-configurability " \ 220 "for property '%' which is either non-existant or configurable in the " \ 221 "proxy target") \ 222 T(ProxyGetOwnPropertyDescriptorNonExtensible, \ 223 "'getOwnPropertyDescriptor' on proxy: trap returned undefined for " \ 224 "property '%' which exists in the non-extensible proxy target") \ 225 T(ProxyGetOwnPropertyDescriptorUndefined, \ 226 "'getOwnPropertyDescriptor' on proxy: trap returned undefined for " \ 227 "property '%' which is non-configurable in the proxy target") \ 228 T(ProxyGetPrototypeOfInvalid, \ 229 "'getPrototypeOf' on proxy: trap returned neither object nor null") \ 230 T(ProxyGetPrototypeOfNonExtensible, \ 231 "'getPrototypeOf' on proxy: proxy target is non-extensible but the " \ 232 "trap did not return its actual prototype") \ 233 T(ProxyHandlerOrTargetRevoked, \ 234 "Cannot create proxy with a revoked proxy as target or handler") \ 235 T(ProxyHasNonConfigurable, \ 236 "'has' on proxy: trap returned falsish for property '%' which exists in " \ 237 "the proxy target as non-configurable") \ 238 T(ProxyHasNonExtensible, \ 239 "'has' on proxy: trap returned falsish for property '%' but the proxy " \ 240 "target is not extensible") \ 241 T(ProxyIsExtensibleInconsistent, \ 242 "'isExtensible' on proxy: trap result does not reflect extensibility of " \ 243 "proxy target (which is '%')") \ 244 T(ProxyNonObject, \ 245 "Cannot create proxy with a non-object as target or handler") \ 246 T(ProxyOwnKeysMissing, \ 247 "'ownKeys' on proxy: trap result did not include '%'") \ 248 T(ProxyOwnKeysNonExtensible, \ 249 "'ownKeys' on proxy: trap returned extra keys but proxy target is " \ 250 "non-extensible") \ 251 T(ProxyPreventExtensionsExtensible, \ 252 "'preventExtensions' on proxy: trap returned truish but the proxy target " \ 253 "is extensible") \ 254 T(ProxyPrivate, "Cannot pass private property name to proxy trap") \ 255 T(ProxyRevoked, "Cannot perform '%' on a proxy that has been revoked") \ 256 T(ProxySetFrozenData, \ 257 "'set' on proxy: trap returned truish for property '%' which exists in " \ 258 "the proxy target as a non-configurable and non-writable data property " \ 259 "with a different value") \ 260 T(ProxySetFrozenAccessor, \ 261 "'set' on proxy: trap returned truish for property '%' which exists in " \ 262 "the proxy target as a non-configurable and non-writable accessor " \ 263 "property without a setter") \ 264 T(ProxySetPrototypeOfNonExtensible, \ 265 "'setPrototypeOf' on proxy: trap returned truish for setting a new " \ 266 "prototype on the non-extensible proxy target") \ 267 T(ProxyTrapReturnedFalsish, "'%' on proxy: trap returned falsish") \ 268 T(ProxyTrapReturnedFalsishFor, \ 269 "'%' on proxy: trap returned falsish for property '%'") \ 270 T(ReadGlobalReferenceThroughProxy, "Trying to access '%' through proxy") \ 271 T(RedefineDisallowed, "Cannot redefine property: %") \ 272 T(RedefineExternalArray, \ 273 "Cannot redefine a property of an object with external array elements") \ 274 T(ReduceNoInitial, "Reduce of empty array with no initial value") \ 275 T(RegExpFlags, \ 276 "Cannot supply flags when constructing one RegExp from another") \ 277 T(RegExpNonObject, "% getter called on non-object %") \ 278 T(RegExpNonRegExp, "% getter called on non-RegExp object") \ 279 T(ReinitializeIntl, "Trying to re-initialize % object.") \ 280 T(ResolvedOptionsCalledOnNonObject, \ 281 "resolvedOptions method called on a non-object or on a object that is " \ 282 "not Intl.%.") \ 283 T(ResolverNotAFunction, "Promise resolver % is not a function") \ 284 T(RestrictedFunctionProperties, \ 285 "'caller' and 'arguments' are restricted function properties and cannot " \ 286 "be accessed in this context.") \ 287 T(ReturnMethodNotCallable, "The iterator's 'return' method is not callable") \ 288 T(StaticPrototype, "Classes may not have static property named prototype") \ 289 T(StrictCannotAssign, "Cannot assign to read only '%' in strict mode") \ 290 T(StrictDeleteProperty, "Cannot delete property '%' of %") \ 291 T(StrictPoisonPill, \ 292 "'caller', 'callee', and 'arguments' properties may not be accessed on " \ 293 "strict mode functions or the arguments objects for calls to them") \ 294 T(StrictReadOnlyProperty, \ 295 "Cannot assign to read only property '%' of % '%'") \ 296 T(StrictCannotCreateProperty, "Cannot create property '%' on % '%'") \ 297 T(SymbolIteratorInvalid, \ 298 "Result of the Symbol.iterator method is not an object") \ 299 T(SymbolKeyFor, "% is not a symbol") \ 300 T(SymbolToNumber, "Cannot convert a Symbol value to a number") \ 301 T(SymbolToString, "Cannot convert a Symbol value to a string") \ 302 T(SimdToNumber, "Cannot convert a SIMD value to a number") \ 303 T(ThrowMethodMissing, "The iterator does not provide a 'throw' method.") \ 304 T(UndefinedOrNullToObject, "Cannot convert undefined or null to object") \ 305 T(ValueAndAccessor, \ 306 "Invalid property descriptor. Cannot both specify accessors and a value " \ 307 "or writable attribute, %") \ 308 T(VarRedeclaration, "Identifier '%' has already been declared") \ 309 T(WrongArgs, "%: Arguments list has wrong type") \ 310 /* ReferenceError */ \ 311 T(NonMethod, "'super' is referenced from non-method") \ 312 T(NotDefined, "% is not defined") \ 313 T(UnsupportedSuper, "Unsupported reference to 'super'") \ 314 /* RangeError */ \ 315 T(DateRange, "Provided date is not in valid range.") \ 316 T(ExpectedTimezoneID, \ 317 "Expected Area/Location(/Location)* for time zone, got %") \ 318 T(ExpectedLocation, \ 319 "Expected letters optionally connected with underscores or hyphens for " \ 320 "a location, got %") \ 321 T(InvalidArrayBufferLength, "Invalid array buffer length") \ 322 T(ArrayBufferAllocationFailed, "Array buffer allocation failed") \ 323 T(InvalidArrayLength, "Invalid array length") \ 324 T(InvalidAtomicAccessIndex, "Invalid atomic access index") \ 325 T(InvalidCodePoint, "Invalid code point %") \ 326 T(InvalidCountValue, "Invalid count value") \ 327 T(InvalidCurrencyCode, "Invalid currency code: %") \ 328 T(InvalidDataViewAccessorOffset, \ 329 "Offset is outside the bounds of the DataView") \ 330 T(InvalidDataViewLength, "Invalid data view length") \ 331 T(InvalidDataViewOffset, "Start offset is outside the bounds of the buffer") \ 332 T(InvalidHint, "Invalid hint: %") \ 333 T(InvalidLanguageTag, "Invalid language tag: %") \ 334 T(InvalidWeakMapKey, "Invalid value used as weak map key") \ 335 T(InvalidWeakSetValue, "Invalid value used in weak set") \ 336 T(InvalidStringLength, "Invalid string length") \ 337 T(InvalidTimeValue, "Invalid time value") \ 338 T(InvalidTypedArrayAlignment, "% of % should be a multiple of %") \ 339 T(InvalidTypedArrayLength, "Invalid typed array length") \ 340 T(InvalidTypedArrayOffset, "Start offset is too large:") \ 341 T(InvalidSimdIndex, "Index out of bounds for SIMD operation") \ 342 T(InvalidSimdLaneValue, "Lane value out of bounds for SIMD operation") \ 343 T(LetInLexicalBinding, "let is disallowed as a lexically bound name") \ 344 T(LocaleMatcher, "Illegal value for localeMatcher:%") \ 345 T(NormalizationForm, "The normalization form should be one of %.") \ 346 T(NumberFormatRange, "% argument must be between 0 and 20") \ 347 T(PropertyValueOutOfRange, "% value is out of range.") \ 348 T(StackOverflow, "Maximum call stack size exceeded") \ 349 T(ToPrecisionFormatRange, "toPrecision() argument must be between 1 and 21") \ 350 T(ToRadixFormatRange, "toString() radix argument must be between 2 and 36") \ 351 T(TypedArraySetNegativeOffset, "Start offset is negative") \ 352 T(TypedArraySetSourceTooLarge, "Source is too large") \ 353 T(UnsupportedTimeZone, "Unsupported time zone specified %") \ 354 T(ValueOutOfRange, "Value % out of range for % options property %") \ 355 /* SyntaxError */ \ 356 T(BadGetterArity, "Getter must not have any formal parameters.") \ 357 T(BadSetterArity, "Setter must have exactly one formal parameter.") \ 358 T(ConstructorIsAccessor, "Class constructor may not be an accessor") \ 359 T(ConstructorIsGenerator, "Class constructor may not be a generator") \ 360 T(ConstructorIsAsync, "Class constructor may not be an async method") \ 361 T(DerivedConstructorReturn, \ 362 "Derived constructors may only return object or undefined") \ 363 T(DuplicateConstructor, "A class may only have one constructor") \ 364 T(DuplicateExport, "Duplicate export of '%'") \ 365 T(DuplicateProto, \ 366 "Duplicate __proto__ fields are not allowed in object literals") \ 367 T(ForInOfLoopInitializer, \ 368 "% loop variable declaration may not have an initializer.") \ 369 T(ForInOfLoopMultiBindings, \ 370 "Invalid left-hand side in % loop: Must have a single binding.") \ 371 T(GeneratorInLegacyContext, \ 372 "Generator declarations are not allowed in legacy contexts.") \ 373 T(IllegalBreak, "Illegal break statement") \ 374 T(IllegalContinue, "Illegal continue statement") \ 375 T(IllegalLanguageModeDirective, \ 376 "Illegal '%' directive in function with non-simple parameter list") \ 377 T(IllegalReturn, "Illegal return statement") \ 378 T(InvalidEscapedReservedWord, "Keyword must not contain escaped characters") \ 379 T(InvalidEscapedMetaProperty, "'%' must not contain escaped characters") \ 380 T(InvalidLhsInAssignment, "Invalid left-hand side in assignment") \ 381 T(InvalidCoverInitializedName, "Invalid shorthand property initializer") \ 382 T(InvalidDestructuringTarget, "Invalid destructuring assignment target") \ 383 T(InvalidLhsInFor, "Invalid left-hand side in for-loop") \ 384 T(InvalidLhsInPostfixOp, \ 385 "Invalid left-hand side expression in postfix operation") \ 386 T(InvalidLhsInPrefixOp, \ 387 "Invalid left-hand side expression in prefix operation") \ 388 T(InvalidRegExpFlags, "Invalid flags supplied to RegExp constructor '%'") \ 389 T(InvalidOrUnexpectedToken, "Invalid or unexpected token") \ 390 T(JsonParseUnexpectedEOS, "Unexpected end of JSON input") \ 391 T(JsonParseUnexpectedToken, "Unexpected token % in JSON at position %") \ 392 T(JsonParseUnexpectedTokenNumber, "Unexpected number in JSON at position %") \ 393 T(JsonParseUnexpectedTokenString, "Unexpected string in JSON at position %") \ 394 T(LabelRedeclaration, "Label '%' has already been declared") \ 395 T(LabelledFunctionDeclaration, \ 396 "Labelled function declaration not allowed as the body of a control flow " \ 397 "structure") \ 398 T(MalformedArrowFunParamList, "Malformed arrow function parameter list") \ 399 T(MalformedRegExp, "Invalid regular expression: /%/: %") \ 400 T(MalformedRegExpFlags, "Invalid regular expression flags") \ 401 T(ModuleExportUndefined, "Export '%' is not defined in module") \ 402 T(MultipleDefaultsInSwitch, \ 403 "More than one default clause in switch statement") \ 404 T(NewlineAfterThrow, "Illegal newline after throw") \ 405 T(NoCatchOrFinally, "Missing catch or finally after try") \ 406 T(NotIsvar, "builtin %%IS_VAR: not a variable") \ 407 T(ParamAfterRest, "Rest parameter must be last formal parameter") \ 408 T(InvalidRestParameter, \ 409 "Rest parameter must be an identifier or destructuring pattern") \ 410 T(PushPastSafeLength, \ 411 "Pushing % elements on an array-like of length % " \ 412 "is disallowed, as the total surpasses 2**53-1") \ 413 T(ElementAfterRest, "Rest element must be last element in array") \ 414 T(BadSetterRestParameter, \ 415 "Setter function argument must not be a rest parameter") \ 416 T(ParamDupe, "Duplicate parameter name not allowed in this context") \ 417 T(ParenthesisInArgString, "Function arg string contains parenthesis") \ 418 T(RuntimeWrongNumArgs, "Runtime function given wrong number of arguments") \ 419 T(SingleFunctionLiteral, "Single function literal required") \ 420 T(SloppyFunction, \ 421 "In non-strict mode code, functions can only be declared at top level, " \ 422 "inside a block, or as the body of an if statement.") \ 423 T(SpeciesNotConstructor, \ 424 "object.constructor[Symbol.species] is not a constructor") \ 425 T(StrictDelete, "Delete of an unqualified identifier in strict mode.") \ 426 T(StrictEvalArguments, "Unexpected eval or arguments in strict mode") \ 427 T(StrictFunction, \ 428 "In strict mode code, functions can only be declared at top level or " \ 429 "inside a block.") \ 430 T(StrictOctalLiteral, "Octal literals are not allowed in strict mode.") \ 431 T(StrictWith, "Strict mode code may not include a with statement") \ 432 T(TemplateOctalLiteral, \ 433 "Octal literals are not allowed in template strings.") \ 434 T(ThisFormalParameter, "'this' is not a valid formal parameter name") \ 435 T(AwaitBindingIdentifier, \ 436 "'await' is not a valid identifier name in an async function") \ 437 T(AwaitExpressionFormalParameter, \ 438 "Illegal await-expression in formal parameters of async function") \ 439 T(TooManyArguments, \ 440 "Too many arguments in function call (only 65535 allowed)") \ 441 T(TooManyParameters, \ 442 "Too many parameters in function definition (only 65535 allowed)") \ 443 T(TooManySpreads, \ 444 "Literal containing too many nested spreads (up to 65534 allowed)") \ 445 T(TooManyVariables, "Too many variables declared (only 4194303 allowed)") \ 446 T(TypedArrayTooShort, \ 447 "Derived TypedArray constructor created an array which was too small") \ 448 T(UnexpectedEOS, "Unexpected end of input") \ 449 T(UnexpectedFunctionSent, \ 450 "function.sent expression is not allowed outside a generator") \ 451 T(UnexpectedInsideTailCall, "Unexpected expression inside tail call") \ 452 T(UnexpectedReserved, "Unexpected reserved word") \ 453 T(UnexpectedStrictReserved, "Unexpected strict mode reserved word") \ 454 T(UnexpectedSuper, "'super' keyword unexpected here") \ 455 T(UnexpectedSloppyTailCall, \ 456 "Tail call expressions are not allowed in non-strict mode") \ 457 T(UnexpectedNewTarget, "new.target expression is not allowed here") \ 458 T(UnexpectedTailCall, "Tail call expression is not allowed here") \ 459 T(UnexpectedTailCallInCatchBlock, \ 460 "Tail call expression in catch block when finally block is also present") \ 461 T(UnexpectedTailCallInForInOf, "Tail call expression in for-in/of body") \ 462 T(UnexpectedTailCallInTryBlock, "Tail call expression in try block") \ 463 T(UnexpectedTailCallOfEval, "Tail call of a direct eval is not allowed") \ 464 T(UnexpectedTemplateString, "Unexpected template string") \ 465 T(UnexpectedToken, "Unexpected token %") \ 466 T(UnexpectedTokenIdentifier, "Unexpected identifier") \ 467 T(UnexpectedTokenNumber, "Unexpected number") \ 468 T(UnexpectedTokenString, "Unexpected string") \ 469 T(UnexpectedTokenRegExp, "Unexpected regular expression") \ 470 T(UnknownLabel, "Undefined label '%'") \ 471 T(UnterminatedArgList, "missing ) after argument list") \ 472 T(UnterminatedRegExp, "Invalid regular expression: missing /") \ 473 T(UnterminatedTemplate, "Unterminated template literal") \ 474 T(UnterminatedTemplateExpr, "Missing } in template expression") \ 475 T(FoundNonCallableHasInstance, "Found non-callable @@hasInstance") \ 476 T(InvalidHexEscapeSequence, "Invalid hexadecimal escape sequence") \ 477 T(InvalidUnicodeEscapeSequence, "Invalid Unicode escape sequence") \ 478 T(UndefinedUnicodeCodePoint, "Undefined Unicode code-point") \ 479 T(YieldInParameter, "Yield expression not allowed in formal parameter") \ 480 /* EvalError */ \ 481 T(CodeGenFromStrings, "%") \ 482 /* URIError */ \ 483 T(URIMalformed, "URI malformed") \ 484 /* Wasm errors (currently Error) */ \ 485 T(WasmTrapUnreachable, "unreachable") \ 486 T(WasmTrapMemOutOfBounds, "memory access out of bounds") \ 487 T(WasmTrapDivByZero, "divide by zero") \ 488 T(WasmTrapDivUnrepresentable, "divide result unrepresentable") \ 489 T(WasmTrapRemByZero, "remainder by zero") \ 490 T(WasmTrapFloatUnrepresentable, "integer result unrepresentable") \ 491 T(WasmTrapFuncInvalid, "invalid function") \ 492 T(WasmTrapFuncSigMismatch, "function signature mismatch") 493 494 class MessageTemplate { 495 public: 496 enum Template { 497 #define TEMPLATE(NAME, STRING) k##NAME, 498 MESSAGE_TEMPLATES(TEMPLATE) 499 #undef TEMPLATE 500 kLastMessage 501 }; 502 503 static const char* TemplateString(int template_index); 504 505 static MaybeHandle<String> FormatMessage(int template_index, 506 Handle<String> arg0, 507 Handle<String> arg1, 508 Handle<String> arg2); 509 510 static Handle<String> FormatMessage(Isolate* isolate, int template_index, 511 Handle<Object> arg); 512 }; 513 514 515 // A message handler is a convenience interface for accessing the list 516 // of message listeners registered in an environment 517 class MessageHandler { 518 public: 519 // Returns a message object for the API to use. 520 static Handle<JSMessageObject> MakeMessageObject( 521 Isolate* isolate, MessageTemplate::Template type, 522 MessageLocation* location, Handle<Object> argument, 523 Handle<JSArray> stack_frames); 524 525 // Report a formatted message (needs JS allocation). 526 static void ReportMessage(Isolate* isolate, MessageLocation* loc, 527 Handle<JSMessageObject> message); 528 529 static void DefaultMessageReport(Isolate* isolate, const MessageLocation* loc, 530 Handle<Object> message_obj); 531 static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data); 532 static base::SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate, 533 Handle<Object> data); 534 }; 535 536 537 } // namespace internal 538 } // namespace v8 539 540 #endif // V8_MESSAGES_H_ 541
