// 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 <memory>
#include "src/handles.h"
#include "src/list.h"
namespace v8 {
namespace internal {
// Forward declarations.
class AbstractCode;
class FrameArray;
class JSMessageObject;
class LookupIterator;
class SharedFunctionInfo;
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<SharedFunctionInfo> shared);
MessageLocation();
Handle<Script> script() const { return script_; }
int start_pos() const { return start_pos_; }
int end_pos() const { return end_pos_; }
Handle<SharedFunctionInfo> shared() const { return shared_; }
private:
Handle<Script> script_;
int start_pos_;
int end_pos_;
Handle<SharedFunctionInfo> shared_;
};
class StackFrameBase {
public:
virtual ~StackFrameBase() {}
virtual Handle<Object> GetReceiver() const = 0;
virtual Handle<Object> GetFunction() const = 0;
virtual Handle<Object> GetFileName() = 0;
virtual Handle<Object> GetFunctionName() = 0;
virtual Handle<Object> GetScriptNameOrSourceUrl() = 0;
virtual Handle<Object> GetMethodName() = 0;
virtual Handle<Object> GetTypeName() = 0;
virtual Handle<Object> GetEvalOrigin();
virtual int GetPosition() const = 0;
// Return 1-based line number, including line offset.
virtual int GetLineNumber() = 0;
// Return 1-based column number, including column offset if first line.
virtual int GetColumnNumber() = 0;
virtual bool IsNative() = 0;
virtual bool IsToplevel() = 0;
virtual bool IsEval();
virtual bool IsConstructor() = 0;
virtual bool IsStrict() const = 0;
virtual MaybeHandle<String> ToString() = 0;
protected:
StackFrameBase() {}
explicit StackFrameBase(Isolate* isolate) : isolate_(isolate) {}
Isolate* isolate_;
private:
virtual bool HasScript() const = 0;
virtual Handle<Script> GetScript() const = 0;
};
class JSStackFrame : public StackFrameBase {
public:
JSStackFrame(Isolate* isolate, Handle<Object> receiver,
Handle<JSFunction> function, Handle<AbstractCode> code,
int offset);
virtual ~JSStackFrame() {}
Handle<Object> GetReceiver() const override { return receiver_; }
Handle<Object> GetFunction() const override;
Handle<Object> GetFileName() override;
Handle<Object> GetFunctionName() override;
Handle<Object> GetScriptNameOrSourceUrl() override;
Handle<Object> GetMethodName() override;
Handle<Object> GetTypeName() override;
int GetPosition() const override;
int GetLineNumber() override;
int GetColumnNumber() override;
bool IsNative() override;
bool IsToplevel() override;
bool IsConstructor() override;
bool IsStrict() const override { return is_strict_; }
MaybeHandle<String> ToString() override;
private:
JSStackFrame();
void FromFrameArray(Isolate* isolate, Handle<FrameArray> array, int frame_ix);
bool HasScript() const override;
Handle<Script> GetScript() const override;
Handle<Object> receiver_;
Handle<JSFunction> function_;
Handle<AbstractCode> code_;
int offset_;
bool force_constructor_;
bool is_strict_;
friend class FrameArrayIterator;
};
class WasmStackFrame : public StackFrameBase {
public:
virtual ~WasmStackFrame() {}
Handle<Object> GetReceiver() const override { return wasm_instance_; }
Handle<Object> GetFunction() const override;
Handle<Object> GetFileName() override { return Null(); }
Handle<Object> GetFunctionName() override;
Handle<Object> GetScriptNameOrSourceUrl() override { return Null(); }
Handle<Object> GetMethodName() override { return Null(); }
Handle<Object> GetTypeName() override { return Null(); }
int GetPosition() const override;
int GetLineNumber() override { return wasm_func_index_; }
int GetColumnNumber() override { return -1; }
bool IsNative() override { return false; }
bool IsToplevel() override { return false; }
bool IsConstructor() override { return false; }
bool IsStrict() const override { return false; }
MaybeHandle<String> ToString() override;
protected:
Handle<Object> Null() const;
bool HasScript() const override;
Handle<Script> GetScript() const override;
// TODO(wasm): Use proper typing.
Handle<Object> wasm_instance_;
uint32_t wasm_func_index_;
Handle<AbstractCode> code_;
int offset_;
private:
WasmStackFrame();
void FromFrameArray(Isolate* isolate, Handle<FrameArray> array, int frame_ix);
friend class FrameArrayIterator;
friend class AsmJsWasmStackFrame;
};
class AsmJsWasmStackFrame : public WasmStackFrame {
public:
virtual ~AsmJsWasmStackFrame() {}
Handle<Object> GetReceiver() const override;
Handle<Object> GetFunction() const override;
Handle<Object> GetFileName() override;
Handle<Object> GetScriptNameOrSourceUrl() override;
int GetPosition() const override;
int GetLineNumber() override;
int GetColumnNumber() override;
MaybeHandle<String> ToString() override;
private:
friend class FrameArrayIterator;
AsmJsWasmStackFrame();
void FromFrameArray(Isolate* isolate, Handle<FrameArray> array, int frame_ix);
bool is_at_number_conversion_;
};
class FrameArrayIterator {
public:
FrameArrayIterator(Isolate* isolate, Handle<FrameArray> array,
int frame_ix = 0);
StackFrameBase* Frame();
bool HasNext() const;
void Next();
private:
Isolate* isolate_;
Handle<FrameArray> array_;
int next_frame_ix_;
WasmStackFrame wasm_frame_;
AsmJsWasmStackFrame asm_wasm_frame_;
JSStackFrame js_frame_;
};
// Determines how stack trace collection skips frames.
enum FrameSkipMode {
// Unconditionally skips the first frame. Used e.g. when the Error constructor
// is called, in which case the first frame is always a BUILTIN_EXIT frame.
SKIP_FIRST,
// Skip all frames until a specified caller function is seen.
SKIP_UNTIL_SEEN,
SKIP_NONE,
};
class ErrorUtils : public AllStatic {
public:
static MaybeHandle<Object> Construct(
Isolate* isolate, Handle<JSFunction> target, Handle<Object> new_target,
Handle<Object> message, FrameSkipMode mode, Handle<Object> caller,
bool suppress_detailed_trace);
static MaybeHandle<String> ToString(Isolate* isolate, Handle<Object> recv);
static MaybeHandle<Object> MakeGenericError(
Isolate* isolate, Handle<JSFunction> constructor, int template_index,
Handle<Object> arg0, Handle<Object> arg1, Handle<Object> arg2,
FrameSkipMode mode);
// Formats a textual stack trace from the given structured stack trace.
// Note that this can call arbitrary JS code through Error.prepareStackTrace.
static MaybeHandle<Object> FormatStackTrace(Isolate* isolate,
Handle<JSObject> error,
Handle<Object> stack_trace);
};
#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(AtomicsWaitNotAllowed, "Atomics.wait cannot be called in this context") \
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(CyclicModuleDependency, "Detected cycle while resolving name '%'") \
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(ImmutablePrototypeSet, \
"Immutable prototype object '%' cannot have their prototype set") \
T(ImportCallNotNewExpression, "Cannot use new with import") \
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(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(NotSuperConstructor, "Super constructor % of % is not a constructor") \
T(NotSuperConstructorAnonymousClass, \
"Super constructor % of anonymous class is not a constructor") \
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, "Cannot 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(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(SymbolAsyncIteratorInvalid, \
"Result of the Symbol.asyncIterator 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(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(NotDefined, "% is not defined") \
T(SuperAlreadyCalled, "Super constructor may only be called once") \
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 DataView length %") \
T(InvalidOffset, "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(InvalidTypedArrayIndex, "Invalid typed array index") \
T(InvalidTypedArrayLength, "Invalid typed array length") \
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(AmbiguousExport, \
"The requested module contains conflicting star exports for name '%'") \
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(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") \
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(ArgStringTerminatesParametersEarly, \
"Arg string terminates parameters early") \
T(UnexpectedEndOfArgString, "Unexpected end of arg string") \
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(StrictDecimalWithLeadingZero, \
"Decimals with leading zeros are not allowed in strict mode.") \
T(StrictOctalEscape, \
"Octal escape sequences are not allowed in strict mode.") \
T(StrictWith, "Strict mode code may not include a with statement") \
T(TemplateOctalLiteral, \
"Octal escape sequences 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(UnexpectedReserved, "Unexpected reserved word") \
T(UnexpectedStrictReserved, "Unexpected strict mode reserved word") \
T(UnexpectedSuper, "'super' keyword unexpected here") \
T(UnexpectedNewTarget, "new.target expression is not allowed here") \
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(UnexpectedLexicalDeclaration, \
"Lexical declaration cannot appear in a single-statement context") \
T(UnknownLabel, "Undefined label '%'") \
T(UnresolvableExport, \
"The requested module does not provide an export named '%'") \
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, "%") \
T(NoSideEffectDebugEvaluate, "Possible side-effect in debug-evaluate") \
/* 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") \
T(WasmTrapInvalidIndex, "invalid index into function table") \
T(WasmTrapTypeError, "invalid type") \
/* Asm.js validation related */ \
T(AsmJsInvalid, "Invalid asm.js: %") \
T(AsmJsCompiled, "Converted asm.js to WebAssembly: %") \
T(AsmJsInstantiated, "Instantiated asm.js: %") \
/* DataCloneError messages */ \
T(DataCloneError, "% could not be cloned.") \
T(DataCloneErrorOutOfMemory, "Data cannot be cloned, out of memory.") \
T(DataCloneErrorNeuteredArrayBuffer, \
"An ArrayBuffer is neutered and could not be cloned.") \
T(DataCloneErrorSharedArrayBufferTransferred, \
"A SharedArrayBuffer could not be cloned. SharedArrayBuffer must not be " \
"transferred.") \
T(DataCloneDeserializationError, "Unable to deserialize cloned data.") \
T(DataCloneDeserializationVersionError, \
"Unable to deserialize cloned data due to invalid or unsupported " \
"version.")
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,
const MessageLocation* location, Handle<Object> argument,
Handle<JSArray> stack_frames);
// Report a formatted message (needs JS allocation).
static void ReportMessage(Isolate* isolate, const 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 std::unique_ptr<char[]> GetLocalizedMessage(Isolate* isolate,
Handle<Object> data);
private:
static void ReportMessageNoExceptions(Isolate* isolate,
const MessageLocation* loc,
Handle<Object> message_obj,
v8::Local<v8::Value> api_exception_obj);
};
} // namespace internal
} // namespace v8
#endif // V8_MESSAGES_H_