// Copyright 2006-2008 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // The infrastructure used for (localized) message reporting in V8. // // Note: there's a big unresolved issue about ownership of the data // structures used by this framework. #ifndef V8_MESSAGES_H_ #define V8_MESSAGES_H_ #include "src/base/smart-pointers.h" #include "src/handles.h" #include "src/list.h" namespace v8 { namespace internal { // Forward declarations. class JSMessageObject; class LookupIterator; class SourceInfo; class MessageLocation { public: MessageLocation(Handle<Script> script, int start_pos, int end_pos); MessageLocation(Handle<Script> script, int start_pos, int end_pos, Handle<JSFunction> function); MessageLocation(); Handle<Script> script() const { return script_; } int start_pos() const { return start_pos_; } int end_pos() const { return end_pos_; } Handle<JSFunction> function() const { return function_; } private: Handle<Script> script_; int start_pos_; int end_pos_; Handle<JSFunction> function_; }; class CallSite { public: CallSite(Isolate* isolate, Handle<JSObject> call_site_obj); Handle<Object> GetFileName(); Handle<Object> GetFunctionName(); Handle<Object> GetScriptNameOrSourceUrl(); Handle<Object> GetMethodName(); // Return 1-based line number, including line offset. int GetLineNumber(); // Return 1-based column number, including column offset if first line. int GetColumnNumber(); bool IsNative(); bool IsToplevel(); bool IsEval(); bool IsConstructor(); bool IsJavaScript() { return !fun_.is_null(); } bool IsWasm() { return !wasm_obj_.is_null(); } private: Isolate* isolate_; Handle<Object> receiver_; Handle<JSFunction> fun_; int32_t pos_ = -1; Handle<JSObject> wasm_obj_; uint32_t wasm_func_index_ = static_cast<uint32_t>(-1); }; #define MESSAGE_TEMPLATES(T) \ /* Error */ \ T(None, "") \ T(CyclicProto, "Cyclic __proto__ value") \ T(Debugger, "Debugger: %") \ T(DebuggerLoading, "Error loading debugger") \ T(DefaultOptionsMissing, "Internal % error. Default options are missing.") \ T(UncaughtException, "Uncaught %") \ T(Unsupported, "Not supported") \ T(WrongServiceType, "Internal error, wrong service type: %") \ T(WrongValueType, "Internal error. Wrong value type.") \ /* TypeError */ \ T(ApplyNonFunction, \ "Function.prototype.apply was called on %, which is a % and not a " \ "function") \ T(ArrayBufferTooShort, \ "Derived ArrayBuffer constructor created a buffer which was too small") \ T(ArrayBufferSpeciesThis, \ "ArrayBuffer subclass returned this from species constructor") \ T(ArrayFunctionsOnFrozen, "Cannot modify frozen array elements") \ T(ArrayFunctionsOnSealed, "Cannot add/remove sealed array elements") \ T(ArrayNotSubclassable, "Subclassing Arrays is not currently supported.") \ T(CalledNonCallable, "% is not a function") \ T(CalledOnNonObject, "% called on non-object") \ T(CalledOnNullOrUndefined, "% called on null or undefined") \ T(CallSiteExpectsFunction, \ "CallSite expects wasm object as first or function as second argument, " \ "got <%, %>") \ T(CallSiteMethod, "CallSite method % expects CallSite as receiver") \ T(CannotConvertToPrimitive, "Cannot convert object to primitive value") \ T(CannotPreventExt, "Cannot prevent extensions") \ T(CannotFreezeArrayBufferView, \ "Cannot freeze array buffer views with elements") \ T(CircularStructure, "Converting circular structure to JSON") \ T(ConstructAbstractClass, "Abstract class % not directly constructable") \ T(ConstAssign, "Assignment to constant variable.") \ T(ConstructorNonCallable, \ "Class constructor % cannot be invoked without 'new'") \ T(ConstructorNotFunction, "Constructor % requires 'new'") \ T(ConstructorNotReceiver, "The .constructor property is not an object") \ T(CurrencyCode, "Currency code is required with currency style.") \ T(DataViewNotArrayBuffer, \ "First argument to DataView constructor must be an ArrayBuffer") \ T(DateType, "this is not a Date object.") \ T(DebuggerFrame, "Debugger: Invalid frame index.") \ T(DebuggerType, "Debugger: Parameters have wrong types.") \ T(DeclarationMissingInitializer, "Missing initializer in % declaration") \ T(DefineDisallowed, "Cannot define property:%, object is not extensible.") \ T(DetachedOperation, "Cannot perform % on a detached ArrayBuffer") \ T(DuplicateTemplateProperty, "Object template has duplicate property '%'") \ T(ExtendsValueNotConstructor, \ "Class extends value % is not a constructor or null") \ T(FirstArgumentNotRegExp, \ "First argument to % must not be a regular expression") \ T(FunctionBind, "Bind must be called on a function") \ T(GeneratorRunning, "Generator is already running") \ T(IllegalInvocation, "Illegal invocation") \ T(IncompatibleMethodReceiver, "Method % called on incompatible receiver %") \ T(InstanceofNonobjectProto, \ "Function has non-object prototype '%' in instanceof check") \ T(InvalidArgument, "invalid_argument") \ T(InvalidInOperatorUse, "Cannot use 'in' operator to search for '%' in %") \ T(InvalidRegExpExecResult, \ "RegExp exec method returned something other than an Object or null") \ T(InvalidSimdOperation, "% is not a valid type for this SIMD operation.") \ T(IteratorResultNotAnObject, "Iterator result % is not an object") \ T(IteratorValueNotAnObject, "Iterator value % is not an entry object") \ T(LanguageID, "Language ID should be string or object.") \ T(MethodCalledOnWrongObject, \ "Method % called on a non-object or on a wrong type of object.") \ T(MethodInvokedOnNullOrUndefined, \ "Method invoked on undefined or null value.") \ T(MethodInvokedOnWrongType, "Method invoked on an object that is not %.") \ T(NoAccess, "no access") \ T(NonCallableInInstanceOfCheck, \ "Right-hand side of 'instanceof' is not callable") \ T(NonCoercible, "Cannot match against 'undefined' or 'null'.") \ T(NonExtensibleProto, "% is not extensible") \ T(NonObjectInInstanceOfCheck, \ "Right-hand side of 'instanceof' is not an object") \ T(NonObjectPropertyLoad, "Cannot read property '%' of %") \ T(NonObjectPropertyStore, "Cannot set property '%' of %") \ T(NoSetterInCallback, "Cannot set property % of % which has only a getter") \ T(NotAnIterator, "% is not an iterator") \ T(NotAPromise, "% is not a promise") \ T(NotConstructor, "% is not a constructor") \ T(NotDateObject, "this is not a Date object.") \ T(NotIntlObject, "% is not an i18n object.") \ T(NotGeneric, "% is not generic") \ T(NotIterable, "% is not iterable") \ T(NotPropertyName, "% is not a valid property name") \ T(NotTypedArray, "this is not a typed array.") \ T(NotSharedTypedArray, "% is not a shared typed array.") \ T(NotIntegerSharedTypedArray, "% is not an integer shared typed array.") \ T(NotInt32SharedTypedArray, "% is not an int32 shared typed array.") \ T(ObjectGetterExpectingFunction, \ "Object.prototype.__defineGetter__: Expecting function") \ T(ObjectGetterCallable, "Getter must be a function: %") \ T(ObjectNotExtensible, "Can't add property %, object is not extensible") \ T(ObjectSetterExpectingFunction, \ "Object.prototype.__defineSetter__: Expecting function") \ T(ObjectSetterCallable, "Setter must be a function: %") \ T(OrdinaryFunctionCalledAsConstructor, \ "Function object that's not a constructor was created with new") \ T(PromiseCyclic, "Chaining cycle detected for promise %") \ T(PromiseExecutorAlreadyInvoked, \ "Promise executor has already been invoked with non-undefined arguments") \ T(PromiseNonCallable, "Promise resolve or reject function is not callable") \ T(PropertyDescObject, "Property description must be an object: %") \ T(PropertyNotFunction, \ "'%' returned for property '%' of object '%' is not a function") \ T(ProtoObjectOrNull, "Object prototype may only be an Object or null: %") \ T(PrototypeParentNotAnObject, \ "Class extends value does not have valid prototype property %") \ T(ProxyConstructNonObject, \ "'construct' on proxy: trap returned non-object ('%')") \ T(ProxyDefinePropertyNonConfigurable, \ "'defineProperty' on proxy: trap returned truish for defining " \ "non-configurable property '%' which is either non-existant or " \ "configurable in the proxy target") \ T(ProxyDefinePropertyNonExtensible, \ "'defineProperty' on proxy: trap returned truish for adding property '%' " \ " to the non-extensible proxy target") \ T(ProxyDefinePropertyIncompatible, \ "'defineProperty' on proxy: trap returned truish for adding property '%' " \ " that is incompatible with the existing property in the proxy target") \ T(ProxyDeletePropertyNonConfigurable, \ "'deleteProperty' on proxy: trap returned truish for property '%' which " \ "is non-configurable in the proxy target") \ T(ProxyGetNonConfigurableData, \ "'get' on proxy: property '%' is a read-only and " \ "non-configurable data property on the proxy target but the proxy " \ "did not return its actual value (expected '%' but got '%')") \ T(ProxyGetNonConfigurableAccessor, \ "'get' on proxy: property '%' is a non-configurable accessor " \ "property on the proxy target and does not have a getter function, but " \ "the trap did not return 'undefined' (got '%')") \ T(ProxyGetOwnPropertyDescriptorIncompatible, \ "'getOwnPropertyDescriptor' on proxy: trap returned descriptor for " \ "property '%' that is incompatible with the existing property in the " \ "proxy target") \ T(ProxyGetOwnPropertyDescriptorInvalid, \ "'getOwnPropertyDescriptor' on proxy: trap returned neither object nor " \ "undefined for property '%'") \ T(ProxyGetOwnPropertyDescriptorNonConfigurable, \ "'getOwnPropertyDescriptor' on proxy: trap reported non-configurability " \ "for property '%' which is either non-existant or configurable in the " \ "proxy target") \ T(ProxyGetOwnPropertyDescriptorNonExtensible, \ "'getOwnPropertyDescriptor' on proxy: trap returned undefined for " \ "property '%' which exists in the non-extensible proxy target") \ T(ProxyGetOwnPropertyDescriptorUndefined, \ "'getOwnPropertyDescriptor' on proxy: trap returned undefined for " \ "property '%' which is non-configurable in the proxy target") \ T(ProxyGetPrototypeOfInvalid, \ "'getPrototypeOf' on proxy: trap returned neither object nor null") \ T(ProxyGetPrototypeOfNonExtensible, \ "'getPrototypeOf' on proxy: proxy target is non-extensible but the " \ "trap did not return its actual prototype") \ T(ProxyHandlerOrTargetRevoked, \ "Cannot create proxy with a revoked proxy as target or handler") \ T(ProxyHasNonConfigurable, \ "'has' on proxy: trap returned falsish for property '%' which exists in " \ "the proxy target as non-configurable") \ T(ProxyHasNonExtensible, \ "'has' on proxy: trap returned falsish for property '%' but the proxy " \ "target is not extensible") \ T(ProxyIsExtensibleInconsistent, \ "'isExtensible' on proxy: trap result does not reflect extensibility of " \ "proxy target (which is '%')") \ T(ProxyNonObject, \ "Cannot create proxy with a non-object as target or handler") \ T(ProxyOwnKeysMissing, \ "'ownKeys' on proxy: trap result did not include '%'") \ T(ProxyOwnKeysNonExtensible, \ "'ownKeys' on proxy: trap returned extra keys but proxy target is " \ "non-extensible") \ T(ProxyPreventExtensionsExtensible, \ "'preventExtensions' on proxy: trap returned truish but the proxy target " \ "is extensible") \ T(ProxyPrivate, "Cannot pass private property name to proxy trap") \ T(ProxyRevoked, "Cannot perform '%' on a proxy that has been revoked") \ T(ProxySetFrozenData, \ "'set' on proxy: trap returned truish for property '%' which exists in " \ "the proxy target as a non-configurable and non-writable data property " \ "with a different value") \ T(ProxySetFrozenAccessor, \ "'set' on proxy: trap returned truish for property '%' which exists in " \ "the proxy target as a non-configurable and non-writable accessor " \ "property without a setter") \ T(ProxySetPrototypeOfNonExtensible, \ "'setPrototypeOf' on proxy: trap returned truish for setting a new " \ "prototype on the non-extensible proxy target") \ T(ProxyTrapReturnedFalsish, "'%' on proxy: trap returned falsish") \ T(ProxyTrapReturnedFalsishFor, \ "'%' on proxy: trap returned falsish for property '%'") \ T(ReadGlobalReferenceThroughProxy, "Trying to access '%' through proxy") \ T(RedefineDisallowed, "Cannot redefine property: %") \ T(RedefineExternalArray, \ "Cannot redefine a property of an object with external array elements") \ T(ReduceNoInitial, "Reduce of empty array with no initial value") \ T(RegExpFlags, \ "Cannot supply flags when constructing one RegExp from another") \ T(RegExpNonObject, "% getter called on non-object %") \ T(RegExpNonRegExp, "% getter called on non-RegExp object") \ T(ReinitializeIntl, "Trying to re-initialize % object.") \ T(ResolvedOptionsCalledOnNonObject, \ "resolvedOptions method called on a non-object or on a object that is " \ "not Intl.%.") \ T(ResolverNotAFunction, "Promise resolver % is not a function") \ T(RestrictedFunctionProperties, \ "'caller' and 'arguments' are restricted function properties and cannot " \ "be accessed in this context.") \ T(ReturnMethodNotCallable, "The iterator's 'return' method is not callable") \ T(StaticPrototype, "Classes may not have static property named prototype") \ T(StrictCannotAssign, "Cannot assign to read only '%' in strict mode") \ T(StrictDeleteProperty, "Cannot delete property '%' of %") \ T(StrictPoisonPill, \ "'caller', 'callee', and 'arguments' properties may not be accessed on " \ "strict mode functions or the arguments objects for calls to them") \ T(StrictReadOnlyProperty, \ "Cannot assign to read only property '%' of % '%'") \ T(StrictCannotCreateProperty, "Cannot create property '%' on % '%'") \ T(SymbolIteratorInvalid, \ "Result of the Symbol.iterator method is not an object") \ T(SymbolKeyFor, "% is not a symbol") \ T(SymbolToNumber, "Cannot convert a Symbol value to a number") \ T(SymbolToString, "Cannot convert a Symbol value to a string") \ T(SimdToNumber, "Cannot convert a SIMD value to a number") \ T(ThrowMethodMissing, "The iterator does not provide a 'throw' method.") \ T(UndefinedOrNullToObject, "Cannot convert undefined or null to object") \ T(ValueAndAccessor, \ "Invalid property descriptor. Cannot both specify accessors and a value " \ "or writable attribute, %") \ T(VarRedeclaration, "Identifier '%' has already been declared") \ T(WrongArgs, "%: Arguments list has wrong type") \ /* ReferenceError */ \ T(NonMethod, "'super' is referenced from non-method") \ T(NotDefined, "% is not defined") \ T(UnsupportedSuper, "Unsupported reference to 'super'") \ /* RangeError */ \ T(DateRange, "Provided date is not in valid range.") \ T(ExpectedTimezoneID, \ "Expected Area/Location(/Location)* for time zone, got %") \ T(ExpectedLocation, \ "Expected letters optionally connected with underscores or hyphens for " \ "a location, got %") \ T(InvalidArrayBufferLength, "Invalid array buffer length") \ T(ArrayBufferAllocationFailed, "Array buffer allocation failed") \ T(InvalidArrayLength, "Invalid array length") \ T(InvalidAtomicAccessIndex, "Invalid atomic access index") \ T(InvalidCodePoint, "Invalid code point %") \ T(InvalidCountValue, "Invalid count value") \ T(InvalidCurrencyCode, "Invalid currency code: %") \ T(InvalidDataViewAccessorOffset, \ "Offset is outside the bounds of the DataView") \ T(InvalidDataViewLength, "Invalid data view length") \ T(InvalidDataViewOffset, "Start offset is outside the bounds of the buffer") \ T(InvalidHint, "Invalid hint: %") \ T(InvalidLanguageTag, "Invalid language tag: %") \ T(InvalidWeakMapKey, "Invalid value used as weak map key") \ T(InvalidWeakSetValue, "Invalid value used in weak set") \ T(InvalidStringLength, "Invalid string length") \ T(InvalidTimeValue, "Invalid time value") \ T(InvalidTypedArrayAlignment, "% of % should be a multiple of %") \ T(InvalidTypedArrayLength, "Invalid typed array length") \ T(InvalidTypedArrayOffset, "Start offset is too large:") \ T(InvalidSimdIndex, "Index out of bounds for SIMD operation") \ T(InvalidSimdLaneValue, "Lane value out of bounds for SIMD operation") \ T(LetInLexicalBinding, "let is disallowed as a lexically bound name") \ T(LocaleMatcher, "Illegal value for localeMatcher:%") \ T(NormalizationForm, "The normalization form should be one of %.") \ T(NumberFormatRange, "% argument must be between 0 and 20") \ T(PropertyValueOutOfRange, "% value is out of range.") \ T(StackOverflow, "Maximum call stack size exceeded") \ T(ToPrecisionFormatRange, "toPrecision() argument must be between 1 and 21") \ T(ToRadixFormatRange, "toString() radix argument must be between 2 and 36") \ T(TypedArraySetNegativeOffset, "Start offset is negative") \ T(TypedArraySetSourceTooLarge, "Source is too large") \ T(UnsupportedTimeZone, "Unsupported time zone specified %") \ T(ValueOutOfRange, "Value % out of range for % options property %") \ /* SyntaxError */ \ T(BadGetterArity, "Getter must not have any formal parameters.") \ T(BadSetterArity, "Setter must have exactly one formal parameter.") \ T(ConstructorIsAccessor, "Class constructor may not be an accessor") \ T(ConstructorIsGenerator, "Class constructor may not be a generator") \ T(ConstructorIsAsync, "Class constructor may not be an async method") \ T(DerivedConstructorReturn, \ "Derived constructors may only return object or undefined") \ T(DuplicateConstructor, "A class may only have one constructor") \ T(DuplicateExport, "Duplicate export of '%'") \ T(DuplicateProto, \ "Duplicate __proto__ fields are not allowed in object literals") \ T(ForInOfLoopInitializer, \ "% loop variable declaration may not have an initializer.") \ T(ForInOfLoopMultiBindings, \ "Invalid left-hand side in % loop: Must have a single binding.") \ T(GeneratorInLegacyContext, \ "Generator declarations are not allowed in legacy contexts.") \ T(IllegalBreak, "Illegal break statement") \ T(IllegalContinue, "Illegal continue statement") \ T(IllegalLanguageModeDirective, \ "Illegal '%' directive in function with non-simple parameter list") \ T(IllegalReturn, "Illegal return statement") \ T(InvalidEscapedReservedWord, "Keyword must not contain escaped characters") \ T(InvalidEscapedMetaProperty, "'%' must not contain escaped characters") \ T(InvalidLhsInAssignment, "Invalid left-hand side in assignment") \ T(InvalidCoverInitializedName, "Invalid shorthand property initializer") \ T(InvalidDestructuringTarget, "Invalid destructuring assignment target") \ T(InvalidLhsInFor, "Invalid left-hand side in for-loop") \ T(InvalidLhsInPostfixOp, \ "Invalid left-hand side expression in postfix operation") \ T(InvalidLhsInPrefixOp, \ "Invalid left-hand side expression in prefix operation") \ T(InvalidRegExpFlags, "Invalid flags supplied to RegExp constructor '%'") \ T(InvalidOrUnexpectedToken, "Invalid or unexpected token") \ T(JsonParseUnexpectedEOS, "Unexpected end of JSON input") \ T(JsonParseUnexpectedToken, "Unexpected token % in JSON at position %") \ T(JsonParseUnexpectedTokenNumber, "Unexpected number in JSON at position %") \ T(JsonParseUnexpectedTokenString, "Unexpected string in JSON at position %") \ T(LabelRedeclaration, "Label '%' has already been declared") \ T(LabelledFunctionDeclaration, \ "Labelled function declaration not allowed as the body of a control flow " \ "structure") \ T(MalformedArrowFunParamList, "Malformed arrow function parameter list") \ T(MalformedRegExp, "Invalid regular expression: /%/: %") \ T(MalformedRegExpFlags, "Invalid regular expression flags") \ T(ModuleExportUndefined, "Export '%' is not defined in module") \ T(MultipleDefaultsInSwitch, \ "More than one default clause in switch statement") \ T(NewlineAfterThrow, "Illegal newline after throw") \ T(NoCatchOrFinally, "Missing catch or finally after try") \ T(NotIsvar, "builtin %%IS_VAR: not a variable") \ T(ParamAfterRest, "Rest parameter must be last formal parameter") \ T(InvalidRestParameter, \ "Rest parameter must be an identifier or destructuring pattern") \ T(PushPastSafeLength, \ "Pushing % elements on an array-like of length % " \ "is disallowed, as the total surpasses 2**53-1") \ T(ElementAfterRest, "Rest element must be last element in array") \ T(BadSetterRestParameter, \ "Setter function argument must not be a rest parameter") \ T(ParamDupe, "Duplicate parameter name not allowed in this context") \ T(ParenthesisInArgString, "Function arg string contains parenthesis") \ T(RuntimeWrongNumArgs, "Runtime function given wrong number of arguments") \ T(SingleFunctionLiteral, "Single function literal required") \ T(SloppyFunction, \ "In non-strict mode code, functions can only be declared at top level, " \ "inside a block, or as the body of an if statement.") \ T(SpeciesNotConstructor, \ "object.constructor[Symbol.species] is not a constructor") \ T(StrictDelete, "Delete of an unqualified identifier in strict mode.") \ T(StrictEvalArguments, "Unexpected eval or arguments in strict mode") \ T(StrictFunction, \ "In strict mode code, functions can only be declared at top level or " \ "inside a block.") \ T(StrictOctalLiteral, "Octal literals are not allowed in strict mode.") \ T(StrictWith, "Strict mode code may not include a with statement") \ T(TemplateOctalLiteral, \ "Octal literals are not allowed in template strings.") \ T(ThisFormalParameter, "'this' is not a valid formal parameter name") \ T(AwaitBindingIdentifier, \ "'await' is not a valid identifier name in an async function") \ T(AwaitExpressionFormalParameter, \ "Illegal await-expression in formal parameters of async function") \ T(TooManyArguments, \ "Too many arguments in function call (only 65535 allowed)") \ T(TooManyParameters, \ "Too many parameters in function definition (only 65535 allowed)") \ T(TooManySpreads, \ "Literal containing too many nested spreads (up to 65534 allowed)") \ T(TooManyVariables, "Too many variables declared (only 4194303 allowed)") \ T(TypedArrayTooShort, \ "Derived TypedArray constructor created an array which was too small") \ T(UnexpectedEOS, "Unexpected end of input") \ T(UnexpectedFunctionSent, \ "function.sent expression is not allowed outside a generator") \ T(UnexpectedInsideTailCall, "Unexpected expression inside tail call") \ T(UnexpectedReserved, "Unexpected reserved word") \ T(UnexpectedStrictReserved, "Unexpected strict mode reserved word") \ T(UnexpectedSuper, "'super' keyword unexpected here") \ T(UnexpectedSloppyTailCall, \ "Tail call expressions are not allowed in non-strict mode") \ T(UnexpectedNewTarget, "new.target expression is not allowed here") \ T(UnexpectedTailCall, "Tail call expression is not allowed here") \ T(UnexpectedTailCallInCatchBlock, \ "Tail call expression in catch block when finally block is also present") \ T(UnexpectedTailCallInForInOf, "Tail call expression in for-in/of body") \ T(UnexpectedTailCallInTryBlock, "Tail call expression in try block") \ T(UnexpectedTailCallOfEval, "Tail call of a direct eval is not allowed") \ T(UnexpectedTemplateString, "Unexpected template string") \ T(UnexpectedToken, "Unexpected token %") \ T(UnexpectedTokenIdentifier, "Unexpected identifier") \ T(UnexpectedTokenNumber, "Unexpected number") \ T(UnexpectedTokenString, "Unexpected string") \ T(UnexpectedTokenRegExp, "Unexpected regular expression") \ T(UnknownLabel, "Undefined label '%'") \ T(UnterminatedArgList, "missing ) after argument list") \ T(UnterminatedRegExp, "Invalid regular expression: missing /") \ T(UnterminatedTemplate, "Unterminated template literal") \ T(UnterminatedTemplateExpr, "Missing } in template expression") \ T(FoundNonCallableHasInstance, "Found non-callable @@hasInstance") \ T(InvalidHexEscapeSequence, "Invalid hexadecimal escape sequence") \ T(InvalidUnicodeEscapeSequence, "Invalid Unicode escape sequence") \ T(UndefinedUnicodeCodePoint, "Undefined Unicode code-point") \ T(YieldInParameter, "Yield expression not allowed in formal parameter") \ /* EvalError */ \ T(CodeGenFromStrings, "%") \ /* URIError */ \ T(URIMalformed, "URI malformed") \ /* Wasm errors (currently Error) */ \ T(WasmTrapUnreachable, "unreachable") \ T(WasmTrapMemOutOfBounds, "memory access out of bounds") \ T(WasmTrapDivByZero, "divide by zero") \ T(WasmTrapDivUnrepresentable, "divide result unrepresentable") \ T(WasmTrapRemByZero, "remainder by zero") \ T(WasmTrapFloatUnrepresentable, "integer result unrepresentable") \ T(WasmTrapFuncInvalid, "invalid function") \ T(WasmTrapFuncSigMismatch, "function signature mismatch") class MessageTemplate { public: enum Template { #define TEMPLATE(NAME, STRING) k##NAME, MESSAGE_TEMPLATES(TEMPLATE) #undef TEMPLATE kLastMessage }; static const char* TemplateString(int template_index); static MaybeHandle<String> FormatMessage(int template_index, Handle<String> arg0, Handle<String> arg1, Handle<String> arg2); static Handle<String> FormatMessage(Isolate* isolate, int template_index, Handle<Object> arg); }; // A message handler is a convenience interface for accessing the list // of message listeners registered in an environment class MessageHandler { public: // Returns a message object for the API to use. static Handle<JSMessageObject> MakeMessageObject( Isolate* isolate, MessageTemplate::Template type, MessageLocation* location, Handle<Object> argument, Handle<JSArray> stack_frames); // Report a formatted message (needs JS allocation). static void ReportMessage(Isolate* isolate, MessageLocation* loc, Handle<JSMessageObject> message); static void DefaultMessageReport(Isolate* isolate, const MessageLocation* loc, Handle<Object> message_obj); static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data); static base::SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate, Handle<Object> data); }; } // namespace internal } // namespace v8 #endif // V8_MESSAGES_H_