diff options
Diffstat (limited to '')
| -rw-r--r-- | js/public/friend/DOMProxy.h | 91 | ||||
| -rw-r--r-- | js/public/friend/DumpFunctions.h | 127 | ||||
| -rw-r--r-- | js/public/friend/ErrorMessages.h | 47 | ||||
| -rw-r--r-- | js/public/friend/ErrorNumbers.msg | 821 | ||||
| -rw-r--r-- | js/public/friend/JSMEnvironment.h | 91 | ||||
| -rw-r--r-- | js/public/friend/PerformanceHint.h | 29 | ||||
| -rw-r--r-- | js/public/friend/StackLimits.h | 323 | ||||
| -rw-r--r-- | js/public/friend/UsageStatistics.h | 100 | ||||
| -rw-r--r-- | js/public/friend/WindowProxy.h | 105 | ||||
| -rw-r--r-- | js/public/friend/XrayJitInfo.h | 57 |
10 files changed, 1791 insertions, 0 deletions
diff --git a/js/public/friend/DOMProxy.h b/js/public/friend/DOMProxy.h new file mode 100644 index 0000000000..533c327adb --- /dev/null +++ b/js/public/friend/DOMProxy.h @@ -0,0 +1,91 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Specify information about DOMProxy proxies in the DOM, for use by ICs. + * + * Embedders who don't need to define particularly high-performance proxies that + * can have random properties added to them can ignore this header. + */ + +#ifndef js_friend_DOMProxy_h +#define js_friend_DOMProxy_h + +#include <stddef.h> // size_t +#include <stdint.h> // uint64_t + +#include "jstypes.h" // JS_PUBLIC_API + +#include "js/Id.h" // JS::PropertyKey +#include "js/RootingAPI.h" // JS::Handle, JS::Heap +#include "js/Value.h" // JS::UndefinedValue, JS::Value + +struct JS_PUBLIC_API JSContext; +class JS_PUBLIC_API JSObject; + +namespace JS { + +/* + * The DOMProxyShadowsCheck function will be called to check if the property for + * id should be gotten from the prototype, or if there is an own property that + * shadows it. + * * If ShadowsViaDirectExpando is returned, then the slot at + * listBaseExpandoSlot contains an expando object which has the property in + * question. + * * If ShadowsViaIndirectExpando is returned, then the slot at + * listBaseExpandoSlot contains a private pointer to an ExpandoAndGeneration + * and the expando object in the ExpandoAndGeneration has the property in + * question. + * * If DoesntShadow is returned then the slot at listBaseExpandoSlot should + * either be undefined or point to an expando object that would contain the + * own property. + * * If DoesntShadowUnique is returned then the slot at listBaseExpandoSlot + * should contain a private pointer to a ExpandoAndGeneration, which contains + * a JS::Value that should either be undefined or point to an expando object, + * and a uint64 value. If that value changes then the IC for getting a + * property will be invalidated. + * * If Shadows is returned, that means the property is an own property of the + * proxy but doesn't live on the expando object. + */ + +struct ExpandoAndGeneration { + ExpandoAndGeneration() : expando(JS::UndefinedValue()), generation(0) {} + + void OwnerUnlinked() { ++generation; } + + static constexpr size_t offsetOfExpando() { + return offsetof(ExpandoAndGeneration, expando); + } + + static constexpr size_t offsetOfGeneration() { + return offsetof(ExpandoAndGeneration, generation); + } + + Heap<Value> expando; + uint64_t generation; +}; + +enum class DOMProxyShadowsResult { + ShadowCheckFailed, + Shadows, + DoesntShadow, + DoesntShadowUnique, + ShadowsViaDirectExpando, + ShadowsViaIndirectExpando +}; + +using DOMProxyShadowsCheck = DOMProxyShadowsResult (*)(JSContext*, + Handle<JSObject*>, + Handle<JS::PropertyKey>); + +extern JS_PUBLIC_API void SetDOMProxyInformation( + const void* domProxyHandlerFamily, + DOMProxyShadowsCheck domProxyShadowsCheck, + const void* domRemoteProxyHandlerFamily); + +} // namespace JS + +#endif // js_friend_DOMProxy_h diff --git a/js/public/friend/DumpFunctions.h b/js/public/friend/DumpFunctions.h new file mode 100644 index 0000000000..3b69277edc --- /dev/null +++ b/js/public/friend/DumpFunctions.h @@ -0,0 +1,127 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Functions to print out values during debugging. */ + +#ifndef js_friend_DumpFunctions_h +#define js_friend_DumpFunctions_h + +#include "mozilla/Attributes.h" +#include "mozilla/MemoryReporting.h" // mozilla::MallocSizeOf + +#include <stddef.h> // size_t +#include <stdio.h> // FILE + +#include "jstypes.h" // JS_PUBLIC_API + +#include "js/Printer.h" // js::GenericPrinter +#include "js/Utility.h" // JS::UniqueChars + +class JS_PUBLIC_API JSAtom; +struct JS_PUBLIC_API JSContext; +class JS_PUBLIC_API JSObject; +class JS_PUBLIC_API JSScript; +class JS_PUBLIC_API JSString; + +namespace JS { + +class JS_PUBLIC_API BigInt; +class JS_PUBLIC_API PropertyKey; +class JS_PUBLIC_API Value; + +} // namespace JS + +namespace js { + +class InterpreterFrame; + +} // namespace js + +namespace JS { + +/** Exposed for DumpJSStack */ +extern JS_PUBLIC_API JS::UniqueChars FormatStackDump(JSContext* cx, + bool showArgs, + bool showLocals, + bool showThisProps); + +} // namespace JS + +namespace js { + +/* + * These functions are FRIEND_API to help the debugger find them and to support + * temporarily hacking js::Dump* calls into other code. Note that there are + * overloads that do not require the FILE* parameter, which will default to + * stderr. + * + * These functions are no-ops unless built with DEBUG or JS_JITSPEW. + */ + +extern JS_PUBLIC_API void DumpString(JSString* str, FILE* fp); + +extern JS_PUBLIC_API void DumpAtom(JSAtom* atom, FILE* fp); + +extern JS_PUBLIC_API void DumpObject(JSObject* obj, FILE* fp); + +extern JS_PUBLIC_API void DumpChars(const char16_t* s, size_t n, FILE* fp); + +// DumpBigInt() outputs the value in decimal if it fits within a 64-bit int, and +// otherwise in hex, prefixed with "0x". In both cases the "n" is appended. +extern JS_PUBLIC_API void DumpBigInt(JS::BigInt* bi, FILE* fp); + +extern JS_PUBLIC_API void DumpValue(const JS::Value& val, FILE* fp); + +extern JS_PUBLIC_API void DumpId(JS::PropertyKey id, FILE* fp); + +extern JS_PUBLIC_API bool DumpPC(JSContext* cx, FILE* fp); + +extern JS_PUBLIC_API bool DumpScript(JSContext* cx, JSScript* scriptArg, + FILE* fp); + +// Versions for use directly in a debugger (default parameters are not handled +// well in gdb; built-in handles like stderr are not handled well in lldb.) +extern JS_PUBLIC_API void DumpString(JSString* str); +extern JS_PUBLIC_API void DumpAtom(JSAtom* atom); +extern JS_PUBLIC_API void DumpObject(JSObject* obj); +extern JS_PUBLIC_API void DumpChars(const char16_t* s, size_t n); +extern JS_PUBLIC_API void DumpBigInt(JS::BigInt* bi); +extern JS_PUBLIC_API void DumpValue(const JS::Value& val); +extern JS_PUBLIC_API void DumpId(JS::PropertyKey id); +extern JS_PUBLIC_API void DumpInterpreterFrame( + JSContext* cx, InterpreterFrame* start = nullptr); +extern JS_PUBLIC_API bool DumpPC(JSContext* cx); +extern JS_PUBLIC_API bool DumpScript(JSContext* cx, JSScript* scriptArg); + +// DumpBacktrace(), unlike the other dump functions, always dumps a backtrace -- +// regardless of DEBUG or JS_JITSPEW. + +extern JS_PUBLIC_API void DumpBacktrace(JSContext* cx, FILE* fp); + +extern JS_PUBLIC_API void DumpBacktrace(JSContext* cx, GenericPrinter& out); + +extern JS_PUBLIC_API void DumpBacktrace(JSContext* cx); + +enum DumpHeapNurseryBehaviour { + CollectNurseryBeforeDump, + IgnoreNurseryObjects +}; + +/** + * Dump the complete object graph of heap-allocated things. + * fp is the file for the dump output. + */ +extern JS_PUBLIC_API void DumpHeap( + JSContext* cx, FILE* fp, DumpHeapNurseryBehaviour nurseryBehaviour, + mozilla::MallocSizeOf mallocSizeOf = nullptr); + +extern JS_PUBLIC_API void DumpFmt(FILE* fp, const char* fmt, ...) + MOZ_FORMAT_PRINTF(2, 3); +extern JS_PUBLIC_API void DumpFmt(const char* fmt, ...) MOZ_FORMAT_PRINTF(1, 2); + +} // namespace js + +#endif // js_friend_DumpFunctions_h diff --git a/js/public/friend/ErrorMessages.h b/js/public/friend/ErrorMessages.h new file mode 100644 index 0000000000..1615c8e052 --- /dev/null +++ b/js/public/friend/ErrorMessages.h @@ -0,0 +1,47 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * SpiderMonkey internal error numbering and error-formatting functionality + * (also for warnings). + * + * This functionality is moderately stable. JSErrNum and js::GetErrorMessage + * are widely used inside SpiderMonkey, and Gecko uses them to produce errors + * identical to those SpiderMonkey itself would produce, in various situations. + * However, the set of error numbers is not stable, error number values are not + * stable, error types are not stable, etc. Use your own error reporting code + * if you can. + */ + +#ifndef js_friend_ErrorMessages_h +#define js_friend_ErrorMessages_h + +#include "jstypes.h" // JS_PUBLIC_API + +struct JSErrorFormatString; + +enum JSErrNum { +#define MSG_DEF(name, count, exception, format) name, +#include "js/friend/ErrorNumbers.msg" +#undef MSG_DEF + JSErr_Limit +}; + +namespace js { + +/** + * A JSErrorCallback suitable for passing to |JS_ReportErrorNumberASCII| and + * similar functions in concert with one of the |JSErrNum| error numbers. + * + * This function is a function only of |errorNumber|: |userRef| and ambient + * state have no effect on its behavior. + */ +extern JS_PUBLIC_API const JSErrorFormatString* GetErrorMessage( + void* userRef, unsigned errorNumber); + +} // namespace js + +#endif // js_friend_ErrorMessages_h diff --git a/js/public/friend/ErrorNumbers.msg b/js/public/friend/ErrorNumbers.msg new file mode 100644 index 0000000000..47f6e640f8 --- /dev/null +++ b/js/public/friend/ErrorNumbers.msg @@ -0,0 +1,821 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * SpiderMonkey error messages. + * + * These are largely for internal use, but they're exposed publicly as a + * "friend" interface for embedders that want to replicate SpiderMonkey's exact + * error message behavior in particular circumstances. All names, arities, + * types, and messages are subject to change or removal. However, the + * longer-lived the error message, the less likely it is to change. + */ + +/* + * This is the JavaScript error message file. + * + * The format for each JS error message is: + * + * MSG_DEF(<SYMBOLIC_NAME>, <ARGUMENT_COUNT>, <EXCEPTION_NAME>, + * <FORMAT_STRING>) + * + * where ; + * <SYMBOLIC_NAME> is a legal C identifer that will be used in the + * JS engine source. + * + * <ARGUMENT_COUNT> is an integer literal specifying the total number of + * replaceable arguments in the following format string. + * + * <EXCEPTION_NAME> is an enum JSExnType value, defined in js/ErrorReport.h. + * + * <FORMAT_STRING> is a string literal, optionally containing sequences + * {X} where X is an integer representing the argument number that will + * be replaced with a string value when the error is reported. + * + * e.g. + * + * MSG_DEF(JSMSG_NOT_A_SUBSPECIES, 2, JSEXN_TYPEERROR, + * "{0} is not a member of the {1} family") + * + * can be used: + * + * JS_ReportErrorNumberASCII(JSMSG_NOT_A_SUBSPECIES, "Rhino", "Monkey"); + * + * to report: + * + * "TypeError: Rhino is not a member of the Monkey family" + */ + +// clang-format off +MSG_DEF(JSMSG_NOT_AN_ERROR, 0, JSEXN_ERR, "<Error #0 is reserved>") +MSG_DEF(JSMSG_NOT_DEFINED, 1, JSEXN_REFERENCEERR, "{0} is not defined") +MSG_DEF(JSMSG_MORE_ARGS_NEEDED, 4, JSEXN_TYPEERR, "{0}: At least {1} argument{2} required, but only {3} passed") +MSG_DEF(JSMSG_INCOMPATIBLE_PROTO, 3, JSEXN_TYPEERR, "{0}.prototype.{1} called on incompatible {2}") +MSG_DEF(JSMSG_INCOMPATIBLE_PROTO2, 3, JSEXN_TYPEERR, "{0}.prototype[{1}] called on incompatible {2}") +MSG_DEF(JSMSG_NO_CONSTRUCTOR, 1, JSEXN_TYPEERR, "{0} has no constructor") +MSG_DEF(JSMSG_BAD_SORT_ARG, 0, JSEXN_TYPEERR, "invalid Array.prototype.sort argument") +MSG_DEF(JSMSG_BAD_TOSORTED_ARG, 0, JSEXN_TYPEERR, "non-function passed to Array.prototype.toSorted") +MSG_DEF(JSMSG_READ_ONLY, 1, JSEXN_TYPEERR, "{0} is read-only") +MSG_DEF(JSMSG_CANT_DELETE, 1, JSEXN_TYPEERR, "property {0} is non-configurable and can't be deleted") +MSG_DEF(JSMSG_CANT_TRUNCATE_ARRAY, 0, JSEXN_TYPEERR, "can't delete non-configurable array element") +MSG_DEF(JSMSG_NOT_FUNCTION, 1, JSEXN_TYPEERR, "{0} is not a function") +MSG_DEF(JSMSG_PROPERTY_NOT_CALLABLE, 1, JSEXN_TYPEERR, "{0} property is not callable") +MSG_DEF(JSMSG_NOT_CONSTRUCTOR, 1, JSEXN_TYPEERR, "{0} is not a constructor") +MSG_DEF(JSMSG_BOGUS_CONSTRUCTOR, 1, JSEXN_TYPEERR, "{0} constructor can't be used directly") +MSG_DEF(JSMSG_CANT_CONVERT_TO, 2, JSEXN_TYPEERR, "can't convert {0} to {1}") +MSG_DEF(JSMSG_TOPRIMITIVE_NOT_CALLABLE, 2, JSEXN_TYPEERR, "can't convert {0} to {1}: its [Symbol.toPrimitive] property is not a function") +MSG_DEF(JSMSG_TOPRIMITIVE_RETURNED_OBJECT, 2, JSEXN_TYPEERR, "can't convert {0} to {1}: its [Symbol.toPrimitive] method returned an object") +MSG_DEF(JSMSG_NO_PROPERTIES, 1, JSEXN_TYPEERR, "{0} has no properties") +MSG_DEF(JSMSG_PROPERTY_FAIL, 2, JSEXN_TYPEERR, "can't access property {0} of {1}") +MSG_DEF(JSMSG_PROPERTY_FAIL_EXPR, 3, JSEXN_TYPEERR, "can't access property {0}, {1} is {2}") +MSG_DEF(JSMSG_BAD_REGEXP_FLAG, 1, JSEXN_SYNTAXERR, "invalid regular expression flag {0}") +MSG_DEF(JSMSG_INVALID_DATA_VIEW_LENGTH, 0, JSEXN_RANGEERR, "invalid data view length") +MSG_DEF(JSMSG_OFFSET_LARGER_THAN_FILESIZE, 0, JSEXN_RANGEERR, "offset is larger than filesize") +MSG_DEF(JSMSG_OFFSET_OUT_OF_BUFFER, 0, JSEXN_RANGEERR, "start offset is outside the bounds of the buffer") +MSG_DEF(JSMSG_OFFSET_OUT_OF_DATAVIEW, 0, JSEXN_RANGEERR, "offset is outside the bounds of the DataView") +MSG_DEF(JSMSG_SPREAD_TOO_LARGE, 0, JSEXN_RANGEERR, "array too large due to spread operand(s)") +MSG_DEF(JSMSG_BAD_WEAKMAP_KEY, 0, JSEXN_TYPEERR, "cannot use the given object as a weak map key") +MSG_DEF(JSMSG_BAD_GETTER_OR_SETTER, 1, JSEXN_TYPEERR, "invalid {0} usage") +MSG_DEF(JSMSG_BAD_ARRAY_LENGTH, 0, JSEXN_RANGEERR, "invalid array length") +MSG_DEF(JSMSG_SOURCE_ARRAY_TOO_LONG, 0, JSEXN_RANGEERR, "source array is too long") +MSG_DEF(JSMSG_REDECLARED_PREV, 2, JSEXN_NOTE, "Previously declared at line {0}, column {1}") +MSG_DEF(JSMSG_REDECLARED_VAR, 2, JSEXN_SYNTAXERR, "redeclaration of {0} {1}") +MSG_DEF(JSMSG_UNDECLARED_VAR, 1, JSEXN_REFERENCEERR, "assignment to undeclared variable {0}") +MSG_DEF(JSMSG_GET_MISSING_PRIVATE, 0, JSEXN_TYPEERR, "can't access private field or method: object is not the right class") +MSG_DEF(JSMSG_SET_MISSING_PRIVATE, 0, JSEXN_TYPEERR, "can't set private field: object is not the right class") +MSG_DEF(JSMSG_GETTER_ONLY, 1, JSEXN_TYPEERR, "setting getter-only property {0}") +MSG_DEF(JSMSG_PRIVATE_SETTER_ONLY, 0, JSEXN_TYPEERR, "getting private setter-only property") +MSG_DEF(JSMSG_OVERWRITING_ACCESSOR, 1, JSEXN_TYPEERR, "can't overwrite accessor property {0}") +MSG_DEF(JSMSG_INVALID_MAP_ITERABLE, 1, JSEXN_TYPEERR, "iterable for {0} should have array-like objects") +MSG_DEF(JSMSG_NESTING_GENERATOR, 0, JSEXN_TYPEERR, "already executing generator") +MSG_DEF(JSMSG_INCOMPATIBLE_METHOD, 3, JSEXN_TYPEERR, "{0} {1} called on incompatible {2}") +MSG_DEF(JSMSG_BAD_SURROGATE_CHAR, 1, JSEXN_TYPEERR, "bad surrogate character {0}") +MSG_DEF(JSMSG_UTF8_CHAR_TOO_LARGE, 1, JSEXN_TYPEERR, "UTF-8 character {0} too large") +MSG_DEF(JSMSG_MALFORMED_UTF8_CHAR, 1, JSEXN_TYPEERR, "malformed UTF-8 character sequence at offset {0}") +MSG_DEF(JSMSG_BUILTIN_CTOR_NO_NEW, 1, JSEXN_TYPEERR, "calling a builtin {0} constructor without new is forbidden") +MSG_DEF(JSMSG_EMPTY_ARRAY_REDUCE, 0, JSEXN_TYPEERR, "reduce of empty array with no initial value") +MSG_DEF(JSMSG_EMPTY_ITERATOR_REDUCE, 0, JSEXN_TYPEERR, "reduce of empty iterator with no initial value") +MSG_DEF(JSMSG_UNEXPECTED_TYPE, 2, JSEXN_TYPEERR, "{0} is {1}") +MSG_DEF(JSMSG_MISSING_FUN_ARG, 2, JSEXN_TYPEERR, "missing argument {0} when calling function {1}") +MSG_DEF(JSMSG_OBJECT_REQUIRED, 1, JSEXN_TYPEERR, "{0} is not a non-null object") +MSG_DEF(JSMSG_OBJECT_REQUIRED_ARG, 3, JSEXN_TYPEERR, "{0} argument of {1} must be an object, got {2}") +MSG_DEF(JSMSG_OBJECT_REQUIRED_WEAKMAP_KEY, 1, JSEXN_TYPEERR, "WeakMap key must be an object, got {0}") +MSG_DEF(JSMSG_OBJECT_REQUIRED_WEAKSET_VAL, 1, JSEXN_TYPEERR, "WeakSet value must be an object, got {0}") +MSG_DEF(JSMSG_OBJECT_REQUIRED_PROP_DESC, 1, JSEXN_TYPEERR, "Property descriptor must be an object, got {0}") +MSG_DEF(JSMSG_OBJECT_REQUIRED_RET_OWNKEYS, 1, JSEXN_TYPEERR, "ownKeys trap must be an object, got {0}") +MSG_DEF(JSMSG_WRONG_TYPE_ARG, 4, JSEXN_TYPEERR, "argument {0} to {1} must be an object of type {2}, got {3}") +MSG_DEF(JSMSG_SET_NON_OBJECT_RECEIVER, 2, JSEXN_TYPEERR, "can't assign to property {1} on {0}: not an object") +MSG_DEF(JSMSG_INVALID_DESCRIPTOR, 0, JSEXN_TYPEERR, "property descriptors must not specify a value or be writable when a getter or setter has been specified") +MSG_DEF(JSMSG_OBJECT_NOT_EXTENSIBLE, 1, JSEXN_TYPEERR, "{0}: Object is not extensible") +MSG_DEF(JSMSG_CANT_DEFINE_PROP_OBJECT_NOT_EXTENSIBLE, 2, JSEXN_TYPEERR, "can't define property {1}: {0} is not extensible") +MSG_DEF(JSMSG_CANT_REDEFINE_PROP, 1, JSEXN_TYPEERR, "can't redefine non-configurable property {0}") +MSG_DEF(JSMSG_CANT_REDEFINE_ARRAY_LENGTH, 0, JSEXN_TYPEERR, "can't redefine array length") +MSG_DEF(JSMSG_CANT_DEFINE_PAST_ARRAY_LENGTH, 0, JSEXN_TYPEERR, "can't define array index property past the end of an array with non-writable length") +MSG_DEF(JSMSG_BAD_GET_SET_FIELD, 1, JSEXN_TYPEERR, "property descriptor's {0} field is neither undefined nor a function") +MSG_DEF(JSMSG_THROW_TYPE_ERROR, 0, JSEXN_TYPEERR, "'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them") +MSG_DEF(JSMSG_NOT_EXPECTED_TYPE, 3, JSEXN_TYPEERR, "{0}: expected {1}, got {2}") +MSG_DEF(JSMSG_NOT_ITERABLE, 1, JSEXN_TYPEERR, "{0} is not iterable") +MSG_DEF(JSMSG_ALREADY_HAS_PRAGMA, 2, JSEXN_WARN, "{0} is being assigned a {1}, but already has one") +MSG_DEF(JSMSG_GET_ITER_RETURNED_PRIMITIVE, 0, JSEXN_TYPEERR, "[Symbol.iterator]() returned a non-object value") +MSG_DEF(JSMSG_ITER_METHOD_RETURNED_PRIMITIVE, 1, JSEXN_TYPEERR, "iterator.{0}() returned a non-object value") +MSG_DEF(JSMSG_CANT_SET_PROTO, 0, JSEXN_TYPEERR, "can't set prototype of this object") +MSG_DEF(JSMSG_CANT_SET_PROTO_OF, 1, JSEXN_TYPEERR, "can't set prototype of {0}") +MSG_DEF(JSMSG_CANT_SET_PROTO_CYCLE, 0, JSEXN_TYPEERR, "can't set prototype: it would cause a prototype chain cycle") +MSG_DEF(JSMSG_INVALID_ARG_TYPE, 3, JSEXN_TYPEERR, "Invalid type: {0} can't be a{1} {2}") +MSG_DEF(JSMSG_TERMINATED, 1, JSEXN_ERR, "Script terminated by timeout at:\n{0}") +MSG_DEF(JSMSG_CANT_CALL_CLASS_CONSTRUCTOR, 0, JSEXN_TYPEERR, "class constructors must be invoked with 'new'") +MSG_DEF(JSMSG_UNINITIALIZED_THIS, 0, JSEXN_REFERENCEERR, "must call super constructor before using 'this' in derived class constructor") +MSG_DEF(JSMSG_BAD_DERIVED_RETURN, 1, JSEXN_TYPEERR, "derived class constructor returned invalid value {0}") +MSG_DEF(JSMSG_BAD_HERITAGE, 2, JSEXN_TYPEERR, "class heritage {0} is {1}") +MSG_DEF(JSMSG_NOT_OBJORNULL, 1, JSEXN_TYPEERR, "{0} is not an object or null") +MSG_DEF(JSMSG_CONSTRUCTOR_DISABLED, 1, JSEXN_TYPEERR, "{0} is disabled") + +// JSON +MSG_DEF(JSMSG_JSON_BAD_PARSE, 3, JSEXN_SYNTAXERR, "JSON.parse: {0} at line {1} column {2} of the JSON data") +MSG_DEF(JSMSG_JSON_CYCLIC_VALUE, 0, JSEXN_TYPEERR, "cyclic object value") + +// Runtime errors +MSG_DEF(JSMSG_ASSIGN_TO_CALL, 0, JSEXN_REFERENCEERR, "cannot assign to function call") +MSG_DEF(JSMSG_ASSIGN_TO_PRIVATE_METHOD, 0, JSEXN_TYPEERR, "cannot assign to private method") +MSG_DEF(JSMSG_BAD_INSTANCEOF_RHS, 1, JSEXN_TYPEERR, "invalid 'instanceof' operand {0}") +MSG_DEF(JSMSG_BAD_PROTOTYPE, 1, JSEXN_TYPEERR, "'prototype' property of {0} is not an object") +MSG_DEF(JSMSG_IN_NOT_OBJECT, 1, JSEXN_TYPEERR, "right-hand side of 'in' should be an object, got {0}") +MSG_DEF(JSMSG_IN_STRING, 2, JSEXN_TYPEERR, "cannot use 'in' operator to search for {0} in {1}") +MSG_DEF(JSMSG_TOO_MANY_CON_SPREADARGS, 0, JSEXN_RANGEERR, "too many constructor arguments") +MSG_DEF(JSMSG_TOO_MANY_FUN_SPREADARGS, 0, JSEXN_RANGEERR, "too many function arguments") +MSG_DEF(JSMSG_UNINITIALIZED_LEXICAL, 1, JSEXN_REFERENCEERR, "can't access lexical declaration '{0}' before initialization") +MSG_DEF(JSMSG_BAD_CONST_ASSIGN, 1, JSEXN_TYPEERR, "invalid assignment to const '{0}'") +MSG_DEF(JSMSG_CANT_DECLARE_GLOBAL_BINDING, 2, JSEXN_TYPEERR, "cannot declare global binding '{0}': {1}") + +// Date +MSG_DEF(JSMSG_INVALID_DATE, 0, JSEXN_RANGEERR, "invalid date") +MSG_DEF(JSMSG_BAD_TOISOSTRING_PROP, 0, JSEXN_TYPEERR, "toISOString property is not callable") + +// String +MSG_DEF(JSMSG_BAD_URI, 0, JSEXN_URIERR, "malformed URI sequence") +MSG_DEF(JSMSG_INVALID_NORMALIZE_FORM, 0, JSEXN_RANGEERR, "form must be one of 'NFC', 'NFD', 'NFKC', or 'NFKD'") +MSG_DEF(JSMSG_NEGATIVE_REPETITION_COUNT, 0, JSEXN_RANGEERR, "repeat count must be non-negative") +MSG_DEF(JSMSG_NOT_A_CODEPOINT, 1, JSEXN_RANGEERR, "{0} is not a valid code point") +MSG_DEF(JSMSG_RESULTING_STRING_TOO_LARGE, 0, JSEXN_RANGEERR, "repeat count must be less than infinity and not overflow maximum string size") +MSG_DEF(JSMSG_FLAGS_UNDEFINED_OR_NULL, 0, JSEXN_TYPEERR, "'flags' property must neither be undefined nor null") +MSG_DEF(JSMSG_REQUIRES_GLOBAL_REGEXP, 1, JSEXN_TYPEERR, "{0} must be called with a global RegExp") + +// Number +MSG_DEF(JSMSG_BAD_RADIX, 0, JSEXN_RANGEERR, "radix must be an integer at least 2 and no greater than 36") +MSG_DEF(JSMSG_PRECISION_RANGE, 1, JSEXN_RANGEERR, "precision {0} out of range") + +// Function +MSG_DEF(JSMSG_BAD_APPLY_ARGS, 1, JSEXN_TYPEERR, "second argument to Function.prototype.{0} must be an array") +MSG_DEF(JSMSG_DEPRECATED_USAGE, 1, JSEXN_REFERENCEERR, "deprecated {0} usage") +MSG_DEF(JSMSG_NO_REST_NAME, 0, JSEXN_SYNTAXERR, "no parameter name after ...") +MSG_DEF(JSMSG_PARAMETER_AFTER_REST, 0, JSEXN_SYNTAXERR, "parameter after rest parameter") +MSG_DEF(JSMSG_TOO_MANY_ARGUMENTS, 0, JSEXN_RANGEERR, "too many arguments provided for a function call") + +// CSP +MSG_DEF(JSMSG_CSP_BLOCKED_EVAL, 0, JSEXN_EVALERR, "call to eval() blocked by CSP") +MSG_DEF(JSMSG_CSP_BLOCKED_FUNCTION, 0, JSEXN_EVALERR, "call to Function() blocked by CSP") +MSG_DEF(JSMSG_CSP_BLOCKED_WASM, 1, JSEXN_WASMCOMPILEERROR, "call to {0}() blocked by CSP") +MSG_DEF(JSMSG_CSP_BLOCKED_SHADOWREALM, 0, JSEXN_EVALERR, "call to ShadowRealm.prototype.evaluate blocked by CSP") + +// Wrappers +MSG_DEF(JSMSG_ACCESSOR_DEF_DENIED, 1, JSEXN_ERR, "Permission denied to define accessor property {0}") +MSG_DEF(JSMSG_DEAD_OBJECT, 0, JSEXN_TYPEERR, "can't access dead object") +MSG_DEF(JSMSG_OBJECT_ACCESS_DENIED, 0, JSEXN_ERR, "Permission denied to access object") +MSG_DEF(JSMSG_PROPERTY_ACCESS_DENIED, 1, JSEXN_ERR, "Permission denied to access property {0}") + +// JSAPI-only (Not thrown as JS exceptions) +MSG_DEF(JSMSG_CANT_CLONE_OBJECT, 0, JSEXN_TYPEERR, "can't clone object") +MSG_DEF(JSMSG_CANT_OPEN, 2, JSEXN_ERR, "can't open {0}: {1}") +MSG_DEF(JSMSG_SUPPORT_NOT_ENABLED, 1, JSEXN_ERR, "support for {0} is not enabled") +MSG_DEF(JSMSG_USER_DEFINED_ERROR, 0, JSEXN_ERR, "JS_ReportError was called") + +// Internal errors +MSG_DEF(JSMSG_ALLOC_OVERFLOW, 0, JSEXN_INTERNALERR, "allocation size overflow") +MSG_DEF(JSMSG_BAD_BYTECODE, 1, JSEXN_INTERNALERR, "unimplemented JavaScript bytecode {0}") +MSG_DEF(JSMSG_BUFFER_TOO_SMALL, 0, JSEXN_INTERNALERR, "buffer too small") +MSG_DEF(JSMSG_BYTECODE_TOO_BIG, 2, JSEXN_INTERNALERR, "bytecode {0} too large (limit {1})") +MSG_DEF(JSMSG_DECODE_FAILURE, 0, JSEXN_INTERNALERR, "failed to decode cache") +MSG_DEF(JSMSG_NEED_DIET, 1, JSEXN_INTERNALERR, "{0} too large") +MSG_DEF(JSMSG_OUT_OF_MEMORY, 0, JSEXN_INTERNALERR, "out of memory") +MSG_DEF(JSMSG_OVER_RECURSED, 0, JSEXN_INTERNALERR, "too much recursion") +MSG_DEF(JSMSG_TOO_DEEP, 1, JSEXN_INTERNALERR, "{0} nested too deeply") +MSG_DEF(JSMSG_UNCAUGHT_EXCEPTION, 1, JSEXN_INTERNALERR, "uncaught exception: {0}") +MSG_DEF(JSMSG_UNKNOWN_FORMAT, 1, JSEXN_INTERNALERR, "unknown bytecode format {0}") +MSG_DEF(JSMSG_UNSAFE_FILENAME, 1, JSEXN_INTERNALERR, "unsafe filename: {0}") + +// Frontend +MSG_DEF(JSMSG_ACCESSOR_WRONG_ARGS, 3, JSEXN_SYNTAXERR, "{0} functions must have {1} argument{2}") +MSG_DEF(JSMSG_ARRAY_INIT_TOO_BIG, 0, JSEXN_INTERNALERR, "array initializer too large") +MSG_DEF(JSMSG_AS_AFTER_IMPORT_STAR, 0, JSEXN_SYNTAXERR, "missing keyword 'as' after import *") +MSG_DEF(JSMSG_AS_AFTER_RESERVED_WORD, 1, JSEXN_SYNTAXERR, "missing keyword 'as' after reserved word '{0}'") +MSG_DEF(JSMSG_AS_AFTER_STRING, 0, JSEXN_SYNTAXERR, "missing keyword 'as' after string literal") +MSG_DEF(JSMSG_AWAIT_IN_PARAMETER, 0, JSEXN_SYNTAXERR, "await expression can't be used in parameter") +MSG_DEF(JSMSG_AWAIT_OUTSIDE_ASYNC, 0, JSEXN_SYNTAXERR, "await is only valid in async functions and async generators") +MSG_DEF(JSMSG_AWAIT_OUTSIDE_ASYNC_OR_MODULE, 0, JSEXN_SYNTAXERR, "await is only valid in async functions, async generators and modules") +MSG_DEF(JSMSG_TOP_LEVEL_AWAIT_NOT_SUPPORTED, 0, JSEXN_SYNTAXERR, "top level await is not supported in this context") +MSG_DEF(JSMSG_BAD_ARROW_ARGS, 0, JSEXN_SYNTAXERR, "invalid arrow-function arguments (parentheses around the arrow-function may help)") +MSG_DEF(JSMSG_BAD_COALESCE_MIXING, 0, JSEXN_SYNTAXERR, "cannot use `??` unparenthesized within `||` and `&&` expressions") +MSG_DEF(JSMSG_BAD_CONST_DECL, 0, JSEXN_SYNTAXERR, "missing = in const declaration") +MSG_DEF(JSMSG_BAD_CONTINUE, 0, JSEXN_SYNTAXERR, "continue must be inside loop") +MSG_DEF(JSMSG_BAD_DESTRUCT_ASS, 0, JSEXN_SYNTAXERR, "invalid destructuring assignment operator") +MSG_DEF(JSMSG_BAD_DESTRUCT_TARGET, 0, JSEXN_SYNTAXERR, "invalid destructuring target") +MSG_DEF(JSMSG_BAD_DESTRUCT_PARENS, 0, JSEXN_SYNTAXERR, "destructuring patterns in assignments can't be parenthesized") +MSG_DEF(JSMSG_BAD_DESTRUCT_DECL, 0, JSEXN_SYNTAXERR, "missing = in destructuring declaration") +MSG_DEF(JSMSG_BAD_DUP_ARGS, 0, JSEXN_SYNTAXERR, "duplicate argument names not allowed in this context") +MSG_DEF(JSMSG_BAD_FOR_LEFTSIDE, 0, JSEXN_SYNTAXERR, "invalid for-in/of left-hand side") +MSG_DEF(JSMSG_LEXICAL_DECL_DEFINES_LET,0, JSEXN_SYNTAXERR, "a lexical declaration can't define a 'let' binding") +MSG_DEF(JSMSG_BAD_STARTING_FOROF_LHS, 1, JSEXN_SYNTAXERR, "an expression X in 'for (X of Y)' must not start with '{0}'") +MSG_DEF(JSMSG_BAD_INCOP_OPERAND, 0, JSEXN_SYNTAXERR, "invalid increment/decrement operand") +MSG_DEF(JSMSG_BAD_LEFTSIDE_OF_ASS, 0, JSEXN_SYNTAXERR, "invalid assignment left-hand side") +MSG_DEF(JSMSG_BAD_LOCAL_STRING_EXPORT, 0, JSEXN_SYNTAXERR, "string exports can't be used without 'from'") +MSG_DEF(JSMSG_BAD_METHOD_DEF, 0, JSEXN_SYNTAXERR, "bad method definition") +MSG_DEF(JSMSG_BAD_POW_LEFTSIDE, 0, JSEXN_SYNTAXERR, "unparenthesized unary expression can't appear on the left-hand side of '**'") +MSG_DEF(JSMSG_BAD_PROP_ID, 0, JSEXN_SYNTAXERR, "invalid property id") +MSG_DEF(JSMSG_BAD_RETURN_OR_YIELD, 1, JSEXN_SYNTAXERR, "{0} not in function") +MSG_DEF(JSMSG_BAD_STRICT_ASSIGN, 1, JSEXN_SYNTAXERR, "'{0}' can't be defined or assigned to in strict mode code") +MSG_DEF(JSMSG_BAD_STRICT_ASSIGN_ARGUMENTS, 0, JSEXN_SYNTAXERR, "'arguments' can't be defined or assigned to in strict mode code") +MSG_DEF(JSMSG_BAD_STRICT_ASSIGN_EVAL, 0, JSEXN_SYNTAXERR, "'eval' can't be defined or assigned to in strict mode code") +MSG_DEF(JSMSG_BAD_SWITCH, 0, JSEXN_SYNTAXERR, "invalid switch statement") +MSG_DEF(JSMSG_BAD_SUPER, 0, JSEXN_SYNTAXERR, "invalid use of keyword 'super'") +MSG_DEF(JSMSG_BAD_SUPERPROP, 1, JSEXN_SYNTAXERR, "use of super {0} accesses only valid within methods or eval code within methods") +MSG_DEF(JSMSG_BAD_SUPERPRIVATE, 0, JSEXN_SYNTAXERR, "invalid access of private field on 'super'") +MSG_DEF(JSMSG_BAD_SUPERCALL, 0, JSEXN_SYNTAXERR, "super() is only valid in derived class constructors") +MSG_DEF(JSMSG_BAD_ARGUMENTS, 0, JSEXN_SYNTAXERR, "arguments is not valid in fields") +MSG_DEF(JSMSG_BRACKET_AFTER_LIST, 0, JSEXN_SYNTAXERR, "missing ] after element list") +MSG_DEF(JSMSG_BRACKET_IN_INDEX, 0, JSEXN_SYNTAXERR, "missing ] in index expression") +MSG_DEF(JSMSG_BRACKET_OPENED, 2, JSEXN_NOTE, "[ opened at line {0}, column {1}") +MSG_DEF(JSMSG_CATCH_IDENTIFIER, 0, JSEXN_SYNTAXERR, "missing identifier in catch") +MSG_DEF(JSMSG_CATCH_OR_FINALLY, 0, JSEXN_SYNTAXERR, "missing catch or finally after try") +MSG_DEF(JSMSG_CATCH_WITHOUT_TRY, 0, JSEXN_SYNTAXERR, "catch without try") +MSG_DEF(JSMSG_COLON_AFTER_CASE, 0, JSEXN_SYNTAXERR, "missing : after case label") +MSG_DEF(JSMSG_COLON_AFTER_ID, 0, JSEXN_SYNTAXERR, "missing : after property id") +MSG_DEF(JSMSG_COLON_IN_COND, 0, JSEXN_SYNTAXERR, "missing : in conditional expression") +MSG_DEF(JSMSG_COMP_PROP_UNTERM_EXPR, 0, JSEXN_SYNTAXERR, "missing ] in computed property name") +MSG_DEF(JSMSG_CURLY_AFTER_BODY, 0, JSEXN_SYNTAXERR, "missing } after function body") +MSG_DEF(JSMSG_CURLY_OPENED, 2, JSEXN_NOTE, "{ opened at line {0}, column {1}") +MSG_DEF(JSMSG_CURLY_AFTER_CATCH, 0, JSEXN_SYNTAXERR, "missing } after catch block") +MSG_DEF(JSMSG_CURLY_AFTER_FINALLY, 0, JSEXN_SYNTAXERR, "missing } after finally block") +MSG_DEF(JSMSG_CURLY_AFTER_LIST, 0, JSEXN_SYNTAXERR, "missing } after property list") +MSG_DEF(JSMSG_CURLY_AFTER_TRY, 0, JSEXN_SYNTAXERR, "missing } after try block") +MSG_DEF(JSMSG_CURLY_BEFORE_BODY, 0, JSEXN_SYNTAXERR, "missing { before function body") +MSG_DEF(JSMSG_CURLY_BEFORE_CATCH, 0, JSEXN_SYNTAXERR, "missing { before catch block") +MSG_DEF(JSMSG_CURLY_BEFORE_CLASS, 0, JSEXN_SYNTAXERR, "missing { before class body") +MSG_DEF(JSMSG_CURLY_BEFORE_FINALLY, 0, JSEXN_SYNTAXERR, "missing { before finally block") +MSG_DEF(JSMSG_CURLY_BEFORE_SWITCH, 0, JSEXN_SYNTAXERR, "missing { before switch body") +MSG_DEF(JSMSG_CURLY_BEFORE_TRY, 0, JSEXN_SYNTAXERR, "missing { before try block") +MSG_DEF(JSMSG_CURLY_IN_COMPOUND, 0, JSEXN_SYNTAXERR, "missing } in compound statement") +MSG_DEF(JSMSG_DECLARATION_AFTER_EXPORT,0, JSEXN_SYNTAXERR, "missing declaration after 'export' keyword") +MSG_DEF(JSMSG_DECLARATION_AFTER_IMPORT,0, JSEXN_SYNTAXERR, "missing declaration after 'import' keyword") +MSG_DEF(JSMSG_DEPRECATED_DELETE_OPERAND, 0, JSEXN_SYNTAXERR, "applying the 'delete' operator to an unqualified name is deprecated") +MSG_DEF(JSMSG_DEPRECATED_OCTAL_LITERAL,0, JSEXN_SYNTAXERR, "\"0\"-prefixed octal literals are deprecated; use the \"0o\" prefix instead") +MSG_DEF(JSMSG_DEPRECATED_OCTAL_ESCAPE ,0, JSEXN_SYNTAXERR, "octal escape sequences can't be used in untagged template literals or in strict mode code") +MSG_DEF(JSMSG_DEPRECATED_EIGHT_OR_NINE_ESCAPE, 0, JSEXN_SYNTAXERR, "the escapes \\8 and \\9 can't be used in untagged template literals or in strict mode code") +MSG_DEF(JSMSG_DEPRECATED_PRAGMA, 1, JSEXN_WARN, "Using //@ to indicate {0} pragmas is deprecated. Use //# instead") +MSG_DEF(JSMSG_DUPLICATE_EXPORT_NAME, 1, JSEXN_SYNTAXERR, "duplicate export name '{0}'") +MSG_DEF(JSMSG_DUPLICATE_FORMAL, 1, JSEXN_SYNTAXERR, "duplicate formal argument {0}") +MSG_DEF(JSMSG_DUPLICATE_LABEL, 0, JSEXN_SYNTAXERR, "duplicate label") +MSG_DEF(JSMSG_DUPLICATE_PROPERTY, 1, JSEXN_SYNTAXERR, "property name {0} appears more than once in object literal") +MSG_DEF(JSMSG_DUPLICATE_PROTO_PROPERTY, 0, JSEXN_SYNTAXERR, "property name __proto__ appears more than once in object literal") +MSG_DEF(JSMSG_EQUAL_AS_ASSIGN, 0, JSEXN_SYNTAXERR, "test for equality (==) mistyped as assignment (=)?") +MSG_DEF(JSMSG_EXPORT_DECL_AT_TOP_LEVEL,0, JSEXN_SYNTAXERR, "export declarations may only appear at top level of a module") +MSG_DEF(JSMSG_FINALLY_WITHOUT_TRY, 0, JSEXN_SYNTAXERR, "finally without try") +MSG_DEF(JSMSG_FORBIDDEN_AS_STATEMENT, 1, JSEXN_SYNTAXERR, "{0} can't appear in single-statement context") +MSG_DEF(JSMSG_FOR_AWAIT_OUTSIDE_ASYNC, 0, JSEXN_SYNTAXERR, "for await (... of ...) is only valid in async functions and async generators") +MSG_DEF(JSMSG_FROM_AFTER_IMPORT_CLAUSE, 0, JSEXN_SYNTAXERR, "missing keyword 'from' after import clause") +MSG_DEF(JSMSG_FROM_AFTER_EXPORT_STAR, 0, JSEXN_SYNTAXERR, "missing keyword 'from' after export *") +MSG_DEF(JSMSG_GARBAGE_AFTER_INPUT, 2, JSEXN_SYNTAXERR, "unexpected garbage after {0}, starting with {1}") +MSG_DEF(JSMSG_IDSTART_AFTER_NUMBER, 0, JSEXN_SYNTAXERR, "identifier starts immediately after numeric literal") +MSG_DEF(JSMSG_BAD_ESCAPE, 0, JSEXN_SYNTAXERR, "invalid escape sequence") +MSG_DEF(JSMSG_MISSING_PRIVATE_NAME, 0, JSEXN_SYNTAXERR, "'#' not followed by identifier") +MSG_DEF(JSMSG_PRIVATE_DELETE, 0, JSEXN_SYNTAXERR, "private fields can't be deleted") +MSG_DEF(JSMSG_MISSING_PRIVATE_DECL, 1, JSEXN_SYNTAXERR, "reference to undeclared private field or method {0}") +MSG_DEF(JSMSG_ILLEGAL_CHARACTER, 1, JSEXN_SYNTAXERR, "illegal character {0}") +MSG_DEF(JSMSG_IMPORT_META_OUTSIDE_MODULE, 0, JSEXN_SYNTAXERR, "import.meta may only appear in a module") +MSG_DEF(JSMSG_IMPORT_DECL_AT_TOP_LEVEL, 0, JSEXN_SYNTAXERR, "import declarations may only appear at top level of a module") +MSG_DEF(JSMSG_OF_AFTER_FOR_LOOP_DECL, 0, JSEXN_SYNTAXERR, "a declaration in the head of a for-of loop can't have an initializer") +MSG_DEF(JSMSG_IN_AFTER_LEXICAL_FOR_DECL,0,JSEXN_SYNTAXERR, "a lexical declaration in the head of a for-in loop can't have an initializer") +MSG_DEF(JSMSG_INVALID_FOR_IN_DECL_WITH_INIT,0,JSEXN_SYNTAXERR,"for-in loop head declarations may not have initializers") +MSG_DEF(JSMSG_INVALID_ID, 1, JSEXN_SYNTAXERR, "{0} is an invalid identifier") +MSG_DEF(JSMSG_SEPARATOR_IN_ZERO_PREFIXED_NUMBER, 0, JSEXN_SYNTAXERR, "numeric separators '_' are not allowed in numbers that start with '0'") +MSG_DEF(JSMSG_LABEL_NOT_FOUND, 0, JSEXN_SYNTAXERR, "label not found") +MSG_DEF(JSMSG_GENERATOR_LABEL, 0, JSEXN_SYNTAXERR, "generator functions cannot be labelled") +MSG_DEF(JSMSG_FUNCTION_LABEL, 0, JSEXN_SYNTAXERR, "functions cannot be labelled") +MSG_DEF(JSMSG_SLOPPY_FUNCTION_LABEL, 0, JSEXN_SYNTAXERR, "functions can only be labelled inside blocks") +MSG_DEF(JSMSG_LINE_BREAK_AFTER_THROW, 0, JSEXN_SYNTAXERR, "no line break is allowed between 'throw' and its expression") +MSG_DEF(JSMSG_MALFORMED_ESCAPE, 1, JSEXN_SYNTAXERR, "malformed {0} character escape sequence") +MSG_DEF(JSMSG_MISSING_BINARY_DIGITS, 0, JSEXN_SYNTAXERR, "missing binary digits after '0b'") +MSG_DEF(JSMSG_MISSING_EXPONENT, 0, JSEXN_SYNTAXERR, "missing exponent") +MSG_DEF(JSMSG_MISSING_EXPR_AFTER_THROW,0, JSEXN_SYNTAXERR, "throw statement is missing an expression") +MSG_DEF(JSMSG_MISSING_FORMAL, 0, JSEXN_SYNTAXERR, "missing formal parameter") +MSG_DEF(JSMSG_MISSING_HEXDIGITS, 0, JSEXN_SYNTAXERR, "missing hexadecimal digits after '0x'") +MSG_DEF(JSMSG_MISSING_OCTAL_DIGITS, 0, JSEXN_SYNTAXERR, "missing octal digits after '0o'") +MSG_DEF(JSMSG_NUMBER_END_WITH_UNDERSCORE, 0, JSEXN_SYNTAXERR, "underscore can appear only between digits, not after the last digit in a number") +MSG_DEF(JSMSG_NUMBER_MULTIPLE_ADJACENT_UNDERSCORES, 0, JSEXN_SYNTAXERR, "number cannot contain multiple adjacent underscores") +MSG_DEF(JSMSG_MODULE_SPEC_AFTER_FROM, 0, JSEXN_SYNTAXERR, "missing module specifier after 'from' keyword") +MSG_DEF(JSMSG_NAME_AFTER_DOT, 0, JSEXN_SYNTAXERR, "missing name after . operator") +MSG_DEF(JSMSG_NAMED_IMPORTS_OR_NAMESPACE_IMPORT, 0, JSEXN_SYNTAXERR, "expected named imports or namespace import after comma") +MSG_DEF(JSMSG_NO_BINDING_NAME, 0, JSEXN_SYNTAXERR, "missing binding name") +MSG_DEF(JSMSG_NO_EXPORT_NAME, 0, JSEXN_SYNTAXERR, "missing export name") +MSG_DEF(JSMSG_NO_IMPORT_NAME, 0, JSEXN_SYNTAXERR, "missing import name") +MSG_DEF(JSMSG_NO_VARIABLE_NAME, 0, JSEXN_SYNTAXERR, "missing variable name") +MSG_DEF(JSMSG_PAREN_AFTER_ARGS, 0, JSEXN_SYNTAXERR, "missing ) after argument list") +MSG_DEF(JSMSG_PAREN_AFTER_CATCH, 0, JSEXN_SYNTAXERR, "missing ) after catch") +MSG_DEF(JSMSG_PAREN_AFTER_COND, 0, JSEXN_SYNTAXERR, "missing ) after condition") +MSG_DEF(JSMSG_PAREN_AFTER_FOR, 0, JSEXN_SYNTAXERR, "missing ( after for") +MSG_DEF(JSMSG_PAREN_AFTER_FORMAL, 0, JSEXN_SYNTAXERR, "missing ) after formal parameters") +MSG_DEF(JSMSG_PAREN_AFTER_FOR_CTRL, 0, JSEXN_SYNTAXERR, "missing ) after for-loop control") +MSG_DEF(JSMSG_PAREN_AFTER_SWITCH, 0, JSEXN_SYNTAXERR, "missing ) after switch expression") +MSG_DEF(JSMSG_PAREN_AFTER_WITH, 0, JSEXN_SYNTAXERR, "missing ) after with-statement object") +MSG_DEF(JSMSG_PAREN_BEFORE_CATCH, 0, JSEXN_SYNTAXERR, "missing ( before catch") +MSG_DEF(JSMSG_PAREN_BEFORE_COND, 0, JSEXN_SYNTAXERR, "missing ( before condition") +MSG_DEF(JSMSG_PAREN_BEFORE_FORMAL, 0, JSEXN_SYNTAXERR, "missing ( before formal parameters") +MSG_DEF(JSMSG_PAREN_BEFORE_SWITCH, 0, JSEXN_SYNTAXERR, "missing ( before switch expression") +MSG_DEF(JSMSG_PAREN_BEFORE_WITH, 0, JSEXN_SYNTAXERR, "missing ( before with-statement object") +MSG_DEF(JSMSG_PAREN_IN_PAREN, 0, JSEXN_SYNTAXERR, "missing ) in parenthetical") +MSG_DEF(JSMSG_PAREN_AFTER_DECORATOR, 0, JSEXN_SYNTAXERR, "missing ) in decorator expression") +MSG_DEF(JSMSG_RC_AFTER_EXPORT_SPEC_LIST, 0, JSEXN_SYNTAXERR, "missing '}' after export specifier list") +MSG_DEF(JSMSG_RC_AFTER_IMPORT_SPEC_LIST, 0, JSEXN_SYNTAXERR, "missing '}' after module specifier list") +MSG_DEF(JSMSG_RESERVED_ID, 1, JSEXN_SYNTAXERR, "{0} is a reserved identifier") +MSG_DEF(JSMSG_REST_WITH_COMMA, 0, JSEXN_SYNTAXERR, "rest element may not have a trailing comma") +MSG_DEF(JSMSG_REST_WITH_DEFAULT, 0, JSEXN_SYNTAXERR, "rest parameter may not have a default") +MSG_DEF(JSMSG_SELFHOSTED_METHOD_CALL, 0, JSEXN_SYNTAXERR, "self-hosted code may not contain direct method calls. Use callFunction() or callContentFunction()") +MSG_DEF(JSMSG_SEMI_AFTER_FOR_COND, 0, JSEXN_SYNTAXERR, "missing ; after for-loop condition") +MSG_DEF(JSMSG_SEMI_AFTER_FOR_INIT, 0, JSEXN_SYNTAXERR, "missing ; after for-loop initializer") +MSG_DEF(JSMSG_SOURCE_TOO_LONG, 0, JSEXN_RANGEERR, "source is too long") +MSG_DEF(JSMSG_STMT_AFTER_RETURN, 0, JSEXN_WARN, "unreachable code after return statement") +MSG_DEF(JSMSG_STRICT_CODE_WITH, 0, JSEXN_SYNTAXERR, "strict mode code may not contain 'with' statements") +MSG_DEF(JSMSG_STRICT_NON_SIMPLE_PARAMS, 1, JSEXN_SYNTAXERR, "\"use strict\" not allowed in function with {0} parameter") +MSG_DEF(JSMSG_TEMPLSTR_UNTERM_EXPR, 0, JSEXN_SYNTAXERR, "missing } in template string") +MSG_DEF(JSMSG_TOO_MANY_CASES, 0, JSEXN_INTERNALERR, "too many switch cases") +MSG_DEF(JSMSG_TOO_MANY_CON_ARGS, 0, JSEXN_SYNTAXERR, "too many constructor arguments") +MSG_DEF(JSMSG_TOO_MANY_DEFAULTS, 0, JSEXN_SYNTAXERR, "more than one switch default") +MSG_DEF(JSMSG_TOO_MANY_FUN_ARGS, 0, JSEXN_SYNTAXERR, "too many function arguments") +MSG_DEF(JSMSG_TOO_MANY_LOCALS, 0, JSEXN_SYNTAXERR, "too many local variables") +MSG_DEF(JSMSG_TOO_MANY_RESUME_INDEXES, 0, JSEXN_SYNTAXERR, "too many yield/await/finally/case locations") +MSG_DEF(JSMSG_TOUGH_BREAK, 0, JSEXN_SYNTAXERR, "unlabeled break must be inside loop or switch") +MSG_DEF(JSMSG_UNEXPECTED_TOKEN, 2, JSEXN_SYNTAXERR, "expected {0}, got {1}") +MSG_DEF(JSMSG_UNEXPECTED_TOKEN_NO_EXPECT, 1, JSEXN_SYNTAXERR, "unexpected token: {0}") +MSG_DEF(JSMSG_UNEXPECTED_PARAMLIST_END,0, JSEXN_SYNTAXERR, "unexpected end of function parameter list") +MSG_DEF(JSMSG_UNNAMED_CLASS_STMT, 0, JSEXN_SYNTAXERR, "class statement requires a name") +MSG_DEF(JSMSG_UNNAMED_FUNCTION_STMT, 0, JSEXN_SYNTAXERR, "function statement requires a name") +MSG_DEF(JSMSG_UNPAIRED_SURROGATE_EXPORT, 0, JSEXN_SYNTAXERR, "module export name contains unpaired surrogate") +MSG_DEF(JSMSG_UNTERMINATED_COMMENT, 0, JSEXN_SYNTAXERR, "unterminated comment") +MSG_DEF(JSMSG_UNTERMINATED_REGEXP, 0, JSEXN_SYNTAXERR, "unterminated regular expression literal") +MSG_DEF(JSMSG_UNTERMINATED_STATIC_CLASS_BLOCK, 0, JSEXN_SYNTAXERR, "unterminated static class block") +MSG_DEF(JSMSG_EOF_BEFORE_END_OF_LITERAL,1,JSEXN_SYNTAXERR, "{0} literal not terminated before end of script") +MSG_DEF(JSMSG_EOL_BEFORE_END_OF_STRING,1, JSEXN_SYNTAXERR, "{0} string literal contains an unescaped line break") +MSG_DEF(JSMSG_EOF_IN_ESCAPE_IN_LITERAL,1, JSEXN_SYNTAXERR, "reached end of script in the middle of an escape sequence in a {0} literal") +MSG_DEF(JSMSG_USE_ASM_DIRECTIVE_FAIL, 0, JSEXN_SYNTAXERR, "\"use asm\" is only meaningful in the Directive Prologue of a function body") +MSG_DEF(JSMSG_VAR_HIDES_ARG, 1, JSEXN_TYPEERR, "variable {0} redeclares argument") +MSG_DEF(JSMSG_WHILE_AFTER_DO, 0, JSEXN_SYNTAXERR, "missing while after do-loop body") +MSG_DEF(JSMSG_YIELD_IN_PARAMETER, 0, JSEXN_SYNTAXERR, "yield expression can't be used in parameter") +MSG_DEF(JSMSG_YIELD_OUTSIDE_GENERATOR, 0, JSEXN_SYNTAXERR, "yield expression is only valid in generators") +MSG_DEF(JSMSG_BAD_COLUMN_NUMBER, 0, JSEXN_RANGEERR, "column number out of range") +MSG_DEF(JSMSG_BAD_LINE_NUMBER, 0, JSEXN_RANGEERR, "line number out of range") +MSG_DEF(JSMSG_BAD_NEWTARGET, 0, JSEXN_SYNTAXERR, "new.target only allowed within functions") +MSG_DEF(JSMSG_BAD_NEW_OPTIONAL, 0, JSEXN_SYNTAXERR, "new keyword cannot be used with an optional chain") +MSG_DEF(JSMSG_BAD_OPTIONAL_TEMPLATE, 0, JSEXN_SYNTAXERR, "tagged template cannot be used with optional chain") +MSG_DEF(JSMSG_IMPORT_ASSERTIONS_NOT_SUPPORTED, 0, JSEXN_SYNTAXERR, "import assertions are not currently supported") +MSG_DEF(JSMSG_ILLEGAL_PRIVATE_FIELD, 0, JSEXN_SYNTAXERR, "private fields aren't valid in this context") +MSG_DEF(JSMSG_ILLEGAL_PRIVATE_NAME, 0, JSEXN_SYNTAXERR, "private names aren't valid in this context") +MSG_DEF(JSMSG_INVALID_PRIVATE_NAME_PRECEDENCE, 0, JSEXN_SYNTAXERR, "invalid use of private name due to operator precedence") +MSG_DEF(JSMSG_INVALID_PRIVATE_NAME_IN_UNARY_EXPR, 0, JSEXN_SYNTAXERR, "invalid use of private name in unary expression without object reference") +MSG_DEF(JSMSG_ILLEGAL_PRIVATE_EXOTIC, 0, JSEXN_TYPEERR, "private fields or private methods aren't allowed on this exotic object") +MSG_DEF(JSMSG_PRIVATE_FIELD_DOUBLE, 0, JSEXN_TYPEERR, "Initializing an object twice is an error with private fields") +MSG_DEF(JSMSG_PRIVATE_BRAND_DOUBLE, 0, JSEXN_TYPEERR, "Initializing an object twice is an error with private methods") +MSG_DEF(JSMSG_CURLY_AFTER_ASSERT, 0, JSEXN_SYNTAXERR, "missing '{' after assert") +MSG_DEF(JSMSG_DUPLICATE_ASSERT_KEY, 1, JSEXN_SYNTAXERR, "duplicate assert key '{0}'") +MSG_DEF(JSMSG_COLON_AFTER_ASSERT_KEY, 0, JSEXN_SYNTAXERR, "missing : after assert key") +MSG_DEF(JSMSG_ASSERT_STRING_LITERAL, 0, JSEXN_SYNTAXERR, "expected string literal") +MSG_DEF(JSMSG_ASSERT_KEY_EXPECTED, 0, JSEXN_SYNTAXERR, "expected assertion key") +MSG_DEF(JSMSG_DECORATOR_NAME_EXPECTED, 0, JSEXN_SYNTAXERR, "expected property name in decorator expression") +MSG_DEF(JSMSG_CLASS_EXPECTED, 0, JSEXN_SYNTAXERR, "expected class") + +// UTF-8 source text encoding errors +MSG_DEF(JSMSG_BAD_LEADING_UTF8_UNIT, 1, JSEXN_SYNTAXERR, "{0} byte doesn't begin a valid UTF-8 code point") +MSG_DEF(JSMSG_NOT_ENOUGH_CODE_UNITS, 5, JSEXN_SYNTAXERR, "{0} byte in UTF-8 must be followed by {1} byte{2}, but {3} byte{4} present") +MSG_DEF(JSMSG_BAD_TRAILING_UTF8_UNIT, 1, JSEXN_SYNTAXERR, "bad trailing UTF-8 byte {0} doesn't match the pattern 0b10xxxxxx") +MSG_DEF(JSMSG_FORBIDDEN_UTF8_CODE_POINT,2,JSEXN_SYNTAXERR, "{0} isn't a valid code point because {1}") +MSG_DEF(JSMSG_BAD_CODE_UNITS, 1, JSEXN_NOTE, "the code units comprising this invalid code point were: {0}") + +// System encoding errors +MSG_DEF(JSMSG_CANT_CONVERT_TO_NARROW, 0, JSEXN_NOTE, "can't convert to narrow string") +MSG_DEF(JSMSG_CANT_CONVERT_TO_WIDE, 0, JSEXN_NOTE, "can't convert to wide string") +MSG_DEF(JSMSG_CANT_CONVERT_WIDE_TO_UTF8, 0, JSEXN_NOTE, "can't convert wide string to UTF-8") +MSG_DEF(JSMSG_CANT_CONVERT_UTF8_TO_WIDE, 0, JSEXN_NOTE, "can't convert UTF-8 to wide string") + +// SmooshMonkey +MSG_DEF(JSMSG_SMOOSH_COMPILE_ERROR, 1, JSEXN_SYNTAXERR, "{0}") +MSG_DEF(JSMSG_SMOOSH_UNIMPLEMENTED, 1, JSEXN_INTERNALERR, "{0}") + +// asm.js +MSG_DEF(JSMSG_USE_ASM_TYPE_FAIL, 1, JSEXN_TYPEERR, "asm.js type error: {0}") +MSG_DEF(JSMSG_USE_ASM_LINK_FAIL, 1, JSEXN_TYPEERR, "asm.js link error: {0}") +MSG_DEF(JSMSG_USE_ASM_TYPE_OK, 1, JSEXN_WARN, "Successfully compiled asm.js code (total compilation time {0}ms)") +MSG_DEF(JSMSG_USE_ASM_TYPE_OK_NO_TIME, 0, JSEXN_WARN, "Successfully compiled asm.js code ()") + +// wasm +MSG_DEF(JSMSG_WASM_VERBOSE, 1, JSEXN_WARN, "WebAssembly verbose: {0}") +MSG_DEF(JSMSG_WASM_COMPILE_WARNING, 1, JSEXN_WARN, "WebAssembly module validated with warning: {0}") +MSG_DEF(JSMSG_WASM_HUGE_MEMORY_FAILED, 0, JSEXN_WARN, "WebAssembly.Memory failed to reserve a large virtual memory region. This may be due to low configured virtual memory limits on this system.") +MSG_DEF(JSMSG_WASM_COMPILE_ERROR, 1, JSEXN_WASMCOMPILEERROR, "{0}") +MSG_DEF(JSMSG_WASM_BAD_IMPORT_TYPE, 2, JSEXN_WASMLINKERROR, "import object field '{0}' is not a {1}") +MSG_DEF(JSMSG_WASM_BAD_IMPORT_SIG, 2, JSEXN_WASMLINKERROR, "imported function '{0}.{1}' signature mismatch") +MSG_DEF(JSMSG_WASM_BAD_TAG_SIG, 2, JSEXN_WASMLINKERROR, "imported tag '{0}.{1}' signature mismatch") +MSG_DEF(JSMSG_WASM_BAD_IMP_INDEX, 1, JSEXN_WASMLINKERROR, "imported {0} with incompatible index type") +MSG_DEF(JSMSG_WASM_BAD_IMP_SIZE, 1, JSEXN_WASMLINKERROR, "imported {0} with incompatible size") +MSG_DEF(JSMSG_WASM_BAD_IMP_MAX, 1, JSEXN_WASMLINKERROR, "imported {0} with incompatible maximum size") +MSG_DEF(JSMSG_WASM_IMP_SHARED_REQD, 0, JSEXN_WASMLINKERROR, "imported unshared memory but shared required") +MSG_DEF(JSMSG_WASM_IMP_SHARED_BANNED, 0, JSEXN_WASMLINKERROR, "imported shared memory but unshared required") +MSG_DEF(JSMSG_WASM_NO_SHMEM_LINK, 0, JSEXN_WASMLINKERROR, "shared memory is disabled") +MSG_DEF(JSMSG_WASM_NO_MEM64_LINK, 0, JSEXN_WASMLINKERROR, "memory64 is disabled") +MSG_DEF(JSMSG_WASM_BAD_GLOB_MUT_LINK, 0, JSEXN_WASMLINKERROR, "imported global mutability mismatch") +MSG_DEF(JSMSG_WASM_BAD_GLOB_TYPE_LINK, 0, JSEXN_WASMLINKERROR, "imported global type mismatch") +MSG_DEF(JSMSG_WASM_BAD_TBL_TYPE_LINK, 0, JSEXN_WASMLINKERROR, "imported table type mismatch") +MSG_DEF(JSMSG_WASM_IND_CALL_TO_NULL, 0, JSEXN_WASMRUNTIMEERROR, "indirect call to null") +MSG_DEF(JSMSG_WASM_IND_CALL_BAD_SIG, 0, JSEXN_WASMRUNTIMEERROR, "indirect call signature mismatch") +MSG_DEF(JSMSG_WASM_UNREACHABLE, 0, JSEXN_WASMRUNTIMEERROR, "unreachable executed") +MSG_DEF(JSMSG_WASM_INTEGER_OVERFLOW, 0, JSEXN_WASMRUNTIMEERROR, "integer overflow") +MSG_DEF(JSMSG_WASM_INVALID_CONVERSION, 0, JSEXN_WASMRUNTIMEERROR, "invalid conversion to integer") +MSG_DEF(JSMSG_WASM_INT_DIVIDE_BY_ZERO, 0, JSEXN_WASMRUNTIMEERROR, "integer divide by zero") +MSG_DEF(JSMSG_WASM_OUT_OF_BOUNDS, 0, JSEXN_WASMRUNTIMEERROR, "index out of bounds") +MSG_DEF(JSMSG_WASM_UNALIGNED_ACCESS, 0, JSEXN_WASMRUNTIMEERROR, "unaligned memory access") +MSG_DEF(JSMSG_WASM_WAKE_OVERFLOW, 0, JSEXN_WASMRUNTIMEERROR, "too many woken agents") +MSG_DEF(JSMSG_WASM_DEREF_NULL, 0, JSEXN_WASMRUNTIMEERROR, "dereferencing null pointer") +MSG_DEF(JSMSG_WASM_BAD_CAST, 0, JSEXN_WASMRUNTIMEERROR, "bad cast") +MSG_DEF(JSMSG_WASM_MEM_IMP_LIMIT, 0, JSEXN_WASMRUNTIMEERROR, "too many memory pages") +MSG_DEF(JSMSG_WASM_TABLE_IMP_LIMIT, 0, JSEXN_WASMRUNTIMEERROR, "too many table elements") +MSG_DEF(JSMSG_WASM_ARRAY_IMP_LIMIT, 0, JSEXN_WASMRUNTIMEERROR, "too many array elements") +MSG_DEF(JSMSG_WASM_BAD_RANGE, 2, JSEXN_RANGEERR, "bad {0} {1}") +MSG_DEF(JSMSG_WASM_BAD_GROW, 1, JSEXN_RANGEERR, "failed to grow {0}") +MSG_DEF(JSMSG_WASM_TABLE_OUT_OF_BOUNDS, 0, JSEXN_WASMRUNTIMEERROR, "table index out of bounds") +MSG_DEF(JSMSG_WASM_BAD_ENFORCE_RANGE, 2, JSEXN_TYPEERR, "bad {0} {1}") +MSG_DEF(JSMSG_WASM_BAD_BUF_ARG, 0, JSEXN_TYPEERR, "first argument must be an ArrayBuffer or typed array object") +MSG_DEF(JSMSG_WASM_BAD_MOD_ARG, 0, JSEXN_TYPEERR, "first argument must be a WebAssembly.Module") +MSG_DEF(JSMSG_WASM_BAD_BUF_MOD_ARG, 0, JSEXN_TYPEERR, "first argument must be a WebAssembly.Module, ArrayBuffer or typed array object") +MSG_DEF(JSMSG_WASM_BAD_DESC_ARG, 1, JSEXN_TYPEERR, "first argument must be a {0} descriptor") +MSG_DEF(JSMSG_WASM_BAD_IMPORT_ARG, 0, JSEXN_TYPEERR, "second argument must be an object") +MSG_DEF(JSMSG_WASM_BAD_IMPORT_FIELD, 1, JSEXN_TYPEERR, "import object field '{0}' is not an Object") +MSG_DEF(JSMSG_WASM_BAD_REF_NONNULLABLE_VALUE, 0, JSEXN_TYPEERR, "cannot pass null to non-nullable WebAssembly reference") +MSG_DEF(JSMSG_WASM_BAD_FUNCREF_VALUE, 0, JSEXN_TYPEERR, "can only pass WebAssembly exported functions to funcref") +MSG_DEF(JSMSG_WASM_BAD_ANYREF_VALUE, 0, JSEXN_TYPEERR, "can only pass a WebAssembly GC object to an anyref") +MSG_DEF(JSMSG_WASM_BAD_NULL_EXTERNREF_VALUE, 0, JSEXN_TYPEERR, "can only pass null to nullexternref") +MSG_DEF(JSMSG_WASM_BAD_NULL_FUNCREF_VALUE, 0, JSEXN_TYPEERR, "can only pass null to nullfuncref") +MSG_DEF(JSMSG_WASM_BAD_NULL_ANYREF_VALUE, 0, JSEXN_TYPEERR, "can only pass null to nullref") +MSG_DEF(JSMSG_WASM_BAD_EQREF_VALUE, 0, JSEXN_TYPEERR, "can only pass a WebAssembly GC object to an eqref") +MSG_DEF(JSMSG_WASM_BAD_STRUCTREF_VALUE, 0, JSEXN_TYPEERR, "can only pass a WebAssembly struct object to a structref") +MSG_DEF(JSMSG_WASM_BAD_ARRAYREF_VALUE, 0, JSEXN_TYPEERR, "can only pass a WebAssembly array object to an arrayref") +MSG_DEF(JSMSG_WASM_BAD_TYPEREF_VALUE, 0, JSEXN_TYPEERR, "bad type") +MSG_DEF(JSMSG_WASM_BAD_VAL_TYPE, 0, JSEXN_TYPEERR, "cannot pass v128 to or from JS") +MSG_DEF(JSMSG_WASM_BAD_STRING_VAL_TYPE, 0, JSEXN_TYPEERR, "bad value type") +MSG_DEF(JSMSG_WASM_BAD_STRING_IDX_TYPE, 0, JSEXN_TYPEERR, "bad index type") +MSG_DEF(JSMSG_WASM_BAD_EXN_ARG, 0, JSEXN_TYPEERR, "first argument must be a WebAssembly.Tag") +MSG_DEF(JSMSG_WASM_BAD_EXN_PAYLOAD, 0, JSEXN_TYPEERR, "second argument must be an object") +MSG_DEF(JSMSG_WASM_BAD_EXN_PAYLOAD_LEN, 2, JSEXN_TYPEERR, "expected {0} values but got {1}") +MSG_DEF(JSMSG_WASM_BAD_EXN_TAG, 0, JSEXN_TYPEERR, "exception's tag did not match the provided exception tag") +MSG_DEF(JSMSG_WASM_BAD_EXN_OPTIONS, 0, JSEXN_TYPEERR, "argument cannot be converted to an ExceptionOptions") +MSG_DEF(JSMSG_WASM_BAD_FUNCTION_VALUE, 0, JSEXN_TYPEERR, "second argument must be a function") +MSG_DEF(JSMSG_WASM_NO_TRANSFER, 0, JSEXN_TYPEERR, "cannot transfer WebAssembly/asm.js ArrayBuffer") +MSG_DEF(JSMSG_WASM_TEXT_FAIL, 1, JSEXN_SYNTAXERR, "wasm text error: {0}") +MSG_DEF(JSMSG_WASM_MISSING_MAXIMUM, 0, JSEXN_TYPEERR, "'shared' is true but maximum is not specified") +MSG_DEF(JSMSG_WASM_GLOBAL_IMMUTABLE, 0, JSEXN_TYPEERR, "can't set value of immutable global") +MSG_DEF(JSMSG_WASM_WRONG_NUMBER_OF_VALUES, 2, JSEXN_TYPEERR, "wrong number of values returned by JavaScript to WebAssembly (expected {0}, got {1})") +MSG_DEF(JSMSG_WASM_NONSHARED_WAIT, 0, JSEXN_WASMRUNTIMEERROR, "atomic wait on non-shared memory") +MSG_DEF(JSMSG_WASM_SUPPLY_ONLY_ONE, 2, JSEXN_TYPEERR, "exactly one of {0} and {1} must be supplied") +MSG_DEF(JSMSG_WASM_MISSING_REQUIRED, 1, JSEXN_TYPEERR, "Missing required argument {0}") + +// Proxy +MSG_DEF(JSMSG_BAD_GETPROTOTYPEOF_TRAP_RETURN,0,JSEXN_TYPEERR,"proxy getPrototypeOf handler returned a non-object, non-null value") +MSG_DEF(JSMSG_INCONSISTENT_GETPROTOTYPEOF_TRAP,0,JSEXN_TYPEERR,"proxy getPrototypeOf handler didn't return the target object's prototype") +MSG_DEF(JSMSG_PROXY_SETPROTOTYPEOF_RETURNED_FALSE, 0, JSEXN_TYPEERR, "proxy setPrototypeOf handler returned false") +MSG_DEF(JSMSG_INCONSISTENT_SETPROTOTYPEOF_TRAP,0,JSEXN_TYPEERR,"proxy setPrototypeOf handler returned true, even though the target's prototype is immutable because the target is non-extensible") +MSG_DEF(JSMSG_CANT_CHANGE_EXTENSIBILITY, 0, JSEXN_TYPEERR, "can't change object's extensibility") +MSG_DEF(JSMSG_CANT_DEFINE_INVALID, 2, JSEXN_TYPEERR, "proxy can't define an incompatible property descriptor ('{0}', {1})") +MSG_DEF(JSMSG_CANT_DEFINE_NEW, 1, JSEXN_TYPEERR, "proxy can't define a new property '{0}' on a non-extensible object") +MSG_DEF(JSMSG_CANT_DEFINE_NE_AS_NC, 1, JSEXN_TYPEERR, "proxy can't define a non-existent '{0}' property as non-configurable") +MSG_DEF(JSMSG_PROXY_DEFINE_RETURNED_FALSE, 1, JSEXN_TYPEERR, "proxy defineProperty handler returned false for property '{0}'") +MSG_DEF(JSMSG_PROXY_DELETE_RETURNED_FALSE, 1, JSEXN_TYPEERR, "can't delete property '{0}': proxy deleteProperty handler returned false") +MSG_DEF(JSMSG_PROXY_PREVENTEXTENSIONS_RETURNED_FALSE, 0, JSEXN_TYPEERR, "proxy preventExtensions handler returned false") +MSG_DEF(JSMSG_PROXY_SET_RETURNED_FALSE, 1, JSEXN_TYPEERR, "proxy set handler returned false for property '{0}'") +MSG_DEF(JSMSG_CANT_REPORT_AS_NON_EXTENSIBLE, 0, JSEXN_TYPEERR, "proxy can't report an extensible object as non-extensible") +MSG_DEF(JSMSG_CANT_DELETE_NON_EXTENSIBLE, 1, JSEXN_TYPEERR, "proxy can't delete property '{0}' on a non-extensible object") +MSG_DEF(JSMSG_CANT_REPORT_C_AS_NC, 1, JSEXN_TYPEERR, "proxy can't report existing configurable property '{0}' as non-configurable") +MSG_DEF(JSMSG_CANT_REPORT_E_AS_NE, 1, JSEXN_TYPEERR, "proxy can't report an existing own property '{0}' as non-existent on a non-extensible object") +MSG_DEF(JSMSG_CANT_REPORT_INVALID, 2, JSEXN_TYPEERR, "proxy can't report an incompatible property descriptor ('{0}', {1})") +MSG_DEF(JSMSG_CANT_REPORT_NC_AS_NE, 1, JSEXN_TYPEERR, "proxy can't report a non-configurable own property '{0}' as non-existent") +MSG_DEF(JSMSG_CANT_REPORT_NEW, 1, JSEXN_TYPEERR, "proxy can't report a new property '{0}' on a non-extensible object") +MSG_DEF(JSMSG_CANT_REPORT_NE_AS_NC, 1, JSEXN_TYPEERR, "proxy can't report a non-existent property '{0}' as non-configurable") +MSG_DEF(JSMSG_CANT_REPORT_W_AS_NW, 1, JSEXN_TYPEERR, "proxy can't report existing writable property '{0}' as non-writable") +MSG_DEF(JSMSG_CANT_SET_NW_NC, 1, JSEXN_TYPEERR, "proxy can't successfully set a non-writable, non-configurable property '{0}'") +MSG_DEF(JSMSG_CANT_SET_WO_SETTER, 1, JSEXN_TYPEERR, "proxy can't succesfully set an accessor property '{0}' without a setter") +MSG_DEF(JSMSG_CANT_SKIP_NC, 1, JSEXN_TYPEERR, "proxy can't skip a non-configurable property '{0}'") +MSG_DEF(JSMSG_OWNKEYS_STR_SYM, 0, JSEXN_TYPEERR, "proxy [[OwnPropertyKeys]] must return an array with only string and symbol elements") +MSG_DEF(JSMSG_OWNKEYS_DUPLICATE, 1, JSEXN_TYPEERR, "proxy [[OwnPropertyKeys]] can't report property '{0}' more than once") +MSG_DEF(JSMSG_MUST_REPORT_SAME_VALUE, 1, JSEXN_TYPEERR, "proxy must report the same value for the non-writable, non-configurable property '{0}'") +MSG_DEF(JSMSG_MUST_REPORT_UNDEFINED, 1, JSEXN_TYPEERR, "proxy must report undefined for a non-configurable accessor property '{0}' without a getter") +MSG_DEF(JSMSG_PROXY_CONSTRUCT_OBJECT, 0, JSEXN_TYPEERR, "proxy [[Construct]] must return an object") +MSG_DEF(JSMSG_PROXY_EXTENSIBILITY, 0, JSEXN_TYPEERR, "proxy must report same extensiblitity as target") +MSG_DEF(JSMSG_PROXY_GETOWN_OBJORUNDEF, 1, JSEXN_TYPEERR, "proxy [[GetOwnProperty]] must return an object or undefined for property '{0}'") +MSG_DEF(JSMSG_PROXY_REVOKED, 0, JSEXN_TYPEERR, "illegal operation attempted on a revoked proxy") +MSG_DEF(JSMSG_BAD_TRAP, 1, JSEXN_TYPEERR, "proxy handler's {0} trap wasn't undefined, null, or callable") + +// Structured cloning +MSG_DEF(JSMSG_SC_BAD_CLONE_VERSION, 0, JSEXN_ERR, "unsupported structured clone version") +MSG_DEF(JSMSG_SC_BAD_SERIALIZED_DATA, 1, JSEXN_INTERNALERR, "bad serialized structured data ({0})") +MSG_DEF(JSMSG_SC_DUP_TRANSFERABLE, 0, JSEXN_TYPEERR, "duplicate transferable for structured clone") +MSG_DEF(JSMSG_SC_NOT_TRANSFERABLE, 0, JSEXN_TYPEERR, "invalid transferable array for structured clone") +MSG_DEF(JSMSG_SC_UNSUPPORTED_TYPE, 0, JSEXN_TYPEERR, "unsupported type for structured data") +MSG_DEF(JSMSG_SC_NOT_CLONABLE, 1, JSEXN_TYPEERR, "The {0} object cannot be serialized. The Cross-Origin-Opener-Policy and Cross-Origin-Embedder-Policy HTTP headers will enable this in the future.") +MSG_DEF(JSMSG_SC_NOT_CLONABLE_WITH_COOP_COEP, 1, JSEXN_TYPEERR, "The {0} object cannot be serialized. The Cross-Origin-Opener-Policy and Cross-Origin-Embedder-Policy HTTP headers can be used to enable this.") +MSG_DEF(JSMSG_SC_SAB_DISABLED, 0, JSEXN_TYPEERR, "SharedArrayBuffer not cloned - shared memory disabled in receiver") +MSG_DEF(JSMSG_SC_SAB_REFCNT_OFLO, 0, JSEXN_TYPEERR, "SharedArrayBuffer has too many references") +MSG_DEF(JSMSG_SC_SHMEM_TRANSFERABLE, 0, JSEXN_TYPEERR, "Shared memory objects must not be in the transfer list") +MSG_DEF(JSMSG_SC_SHMEM_POLICY, 0, JSEXN_TYPEERR, "Policy object must forbid cloning shared memory objects cross-process") + +// Debugger +MSG_DEF(JSMSG_ASSIGN_FUNCTION_OR_NULL, 1, JSEXN_TYPEERR, "value assigned to {0} must be a function or null") +MSG_DEF(JSMSG_DEBUG_BAD_LINE, 0, JSEXN_TYPEERR, "invalid line number") +MSG_DEF(JSMSG_DEBUG_BAD_OFFSET, 0, JSEXN_TYPEERR, "invalid script offset") +MSG_DEF(JSMSG_DEBUG_BREAKPOINT_NOT_ALLOWED, 0, JSEXN_ERR, "breakpoint is not allowed for this opcode") +MSG_DEF(JSMSG_DEBUG_BAD_REFERENT, 2, JSEXN_TYPEERR, "{0} does not refer to {1}") +MSG_DEF(JSMSG_DEBUG_BAD_RESUMPTION, 0, JSEXN_TYPEERR, "debugger resumption value must be undefined, {throw: val}, {return: val}, or null") +MSG_DEF(JSMSG_DEBUG_RESUMPTION_CONFLICT, 0, JSEXN_TYPEERR, "debugger hook returned a resumption, but an earlier hook already did") +MSG_DEF(JSMSG_DEBUG_CANT_DEBUG_GLOBAL, 0, JSEXN_TYPEERR, "passing non-debuggable global to addDebuggee") +MSG_DEF(JSMSG_DEBUG_SAME_COMPARTMENT, 0, JSEXN_TYPEERR, "debugger and debuggee must be in different compartments") +MSG_DEF(JSMSG_DEBUG_CCW_REQUIRED, 1, JSEXN_TYPEERR, "{0}: argument must be an object from a different compartment") +MSG_DEF(JSMSG_DEBUG_COMPARTMENT_MISMATCH, 2, JSEXN_TYPEERR, "{0}: descriptor .{1} property is an object in a different compartment than the target object") +MSG_DEF(JSMSG_DEBUG_LOOP, 0, JSEXN_TYPEERR, "cannot debug an object in same compartment as debugger or a compartment that is already debugging the debugger") +MSG_DEF(JSMSG_DEBUG_NOT_DEBUGGEE, 2, JSEXN_ERR, "{0} is not a debuggee {1}") +MSG_DEF(JSMSG_DEBUG_NOT_DEBUGGING, 0, JSEXN_ERR, "can't set breakpoint: script global is not a debuggee") +MSG_DEF(JSMSG_DEBUG_NOT_IDLE, 0, JSEXN_ERR, "can't start debugging: a debuggee script is on the stack") +MSG_DEF(JSMSG_DEBUG_NOT_ON_STACK, 1, JSEXN_ERR, "{0} is not on stack") +MSG_DEF(JSMSG_DEBUG_NOT_ON_STACK_OR_SUSPENDED, 1, JSEXN_ERR, "{0} is not on stack or suspended") +MSG_DEF(JSMSG_DEBUG_NO_ENV_OBJECT, 0, JSEXN_TYPEERR, "declarative Environments don't have binding objects") +MSG_DEF(JSMSG_DEBUG_PROTO, 2, JSEXN_TYPEERR, "{0}.prototype is not a valid {1} instance") +MSG_DEF(JSMSG_DEBUG_WRONG_OWNER, 1, JSEXN_TYPEERR, "{0} belongs to a different Debugger") +MSG_DEF(JSMSG_DEBUG_OPTIMIZED_OUT, 1, JSEXN_ERR, "variable '{0}' has been optimized out") +MSG_DEF(JSMSG_DEBUG_OPTIMIZED_OUT_FUN, 0, JSEXN_ERR, "function is optimized out") +MSG_DEF(JSMSG_DEBUG_FORCED_RETURN_DISALLOWED, 0, JSEXN_TYPEERR, "can't force return from a generator before the initial yield") +MSG_DEF(JSMSG_DEBUG_RESUMPTION_VALUE_DISALLOWED, 0, JSEXN_TYPEERR, "resumption values are disallowed in this hook") +MSG_DEF(JSMSG_DEBUG_VARIABLE_NOT_FOUND,0, JSEXN_TYPEERR, "variable not found in environment") +MSG_DEF(JSMSG_DEBUG_WRAPPER_IN_WAY, 3, JSEXN_TYPEERR, "{0} is {1}{2}a global object, but a direct reference is required") +MSG_DEF(JSMSG_DEBUGGEE_WOULD_RUN, 2, JSEXN_DEBUGGEEWOULDRUN, "debuggee '{0}:{1}' would run") +MSG_DEF(JSMSG_NOT_CALLABLE_OR_UNDEFINED, 0, JSEXN_TYPEERR, "value is not a function or undefined") +MSG_DEF(JSMSG_NOT_TRACKING_ALLOCATIONS, 1, JSEXN_ERR, "Cannot call {0} without setting trackingAllocationSites to true") +MSG_DEF(JSMSG_OBJECT_METADATA_CALLBACK_ALREADY_SET, 0, JSEXN_ERR, "Cannot track object allocation, because other tools are already doing so") +MSG_DEF(JSMSG_QUERY_INNERMOST_WITHOUT_LINE_URL, 0, JSEXN_TYPEERR, "findScripts query object with 'innermost' property must have 'line' and either 'displayURL', 'url', or 'source'") +MSG_DEF(JSMSG_QUERY_LINE_WITHOUT_URL, 0, JSEXN_TYPEERR, "findScripts query object has 'line' property, but no 'displayURL', 'url', or 'source' property") +MSG_DEF(JSMSG_DEBUG_CANT_SET_OPT_ENV, 1, JSEXN_REFERENCEERR, "can't set '{0}' in an optimized-out environment") +MSG_DEF(JSMSG_DEBUG_INVISIBLE_COMPARTMENT, 0, JSEXN_TYPEERR, "object in compartment marked as invisible to Debugger") +MSG_DEF(JSMSG_DEBUG_CENSUS_BREAKDOWN, 1, JSEXN_TYPEERR, "unrecognized 'by' value in takeCensus breakdown: {0}") +MSG_DEF(JSMSG_DEBUG_PROMISE_NOT_RESOLVED, 0, JSEXN_TYPEERR, "Promise hasn't been resolved") +MSG_DEF(JSMSG_DEBUG_PROMISE_NOT_FULFILLED, 0, JSEXN_TYPEERR, "Promise hasn't been fulfilled") +MSG_DEF(JSMSG_DEBUG_PROMISE_NOT_REJECTED, 0, JSEXN_TYPEERR, "Promise hasn't been rejected") +MSG_DEF(JSMSG_DEBUG_NO_BINARY_SOURCE, 0, JSEXN_ERR, "WebAssembly binary source is not available") + +// Testing functions +MSG_DEF(JSMSG_TESTING_SCRIPTS_ONLY, 0, JSEXN_TYPEERR, "only works on scripts") +MSG_DEF(JSMSG_INVALID_ARGS, 1, JSEXN_ERR, "{0}: invalid arguments") + +// Tracelogger +MSG_DEF(JSMSG_TRACELOGGER_ENABLE_FAIL, 1, JSEXN_ERR, "enabling tracelogger failed: {0}") + +// Intl +MSG_DEF(JSMSG_DATE_NOT_FINITE, 2, JSEXN_RANGEERR, "date value is not finite in {0}.{1}()") +MSG_DEF(JSMSG_DUPLICATE_VARIANT_SUBTAG, 0, JSEXN_RANGEERR, "duplicate variant subtag") +MSG_DEF(JSMSG_INTERNAL_INTL_ERROR, 0, JSEXN_ERR, "internal error while computing Intl data") +MSG_DEF(JSMSG_INVALID_CURRENCY_CODE, 1, JSEXN_RANGEERR, "invalid currency code in NumberFormat(): {0}") +MSG_DEF(JSMSG_INVALID_UNIT_IDENTIFIER, 1, JSEXN_RANGEERR, "invalid unit identifier in NumberFormat(): {0}") +MSG_DEF(JSMSG_INVALID_DIGITS_VALUE, 1, JSEXN_RANGEERR, "invalid digits value: {0}") +MSG_DEF(JSMSG_INVALID_KEY, 1, JSEXN_RANGEERR, "invalid key: {0}") +MSG_DEF(JSMSG_INVALID_LANGUAGE_TAG, 1, JSEXN_RANGEERR, "invalid language tag: {0}") +MSG_DEF(JSMSG_INVALID_LOCALES_ELEMENT, 0, JSEXN_TYPEERR, "invalid element in locales argument") +MSG_DEF(JSMSG_INVALID_LOCALE_MATCHER, 1, JSEXN_RANGEERR, "invalid locale matcher in supportedLocalesOf(): {0}") +MSG_DEF(JSMSG_INVALID_OPTION_VALUE, 2, JSEXN_RANGEERR, "invalid value {1} for option {0}") +MSG_DEF(JSMSG_INVALID_TIME_ZONE, 1, JSEXN_RANGEERR, "invalid time zone in DateTimeFormat(): {0}") +MSG_DEF(JSMSG_INVALID_DATETIME_OPTION, 2, JSEXN_TYPEERR, "can't set option {0} when {1} is used") +MSG_DEF(JSMSG_INVALID_DATETIME_STYLE, 2, JSEXN_TYPEERR, "can't set option {0} in Date.{1}()") +MSG_DEF(JSMSG_UNDEFINED_CURRENCY, 0, JSEXN_TYPEERR, "undefined currency in NumberFormat() with currency style") +MSG_DEF(JSMSG_UNDEFINED_UNIT, 0, JSEXN_TYPEERR, "undefined unit in NumberFormat() with unit style") +MSG_DEF(JSMSG_UNDEFINED_DATE, 2, JSEXN_TYPEERR, "undefined {0}-date in DateTimeFormat.{1}()") +MSG_DEF(JSMSG_UNDEFINED_NUMBER, 3, JSEXN_TYPEERR, "undefined {0} number in {1}.{2}()") +MSG_DEF(JSMSG_UNDEFINED_TYPE, 0, JSEXN_TYPEERR, "missing \"type\" option in DisplayNames()") +MSG_DEF(JSMSG_EXPONENT_TOO_LARGE, 0, JSEXN_RANGEERR, "exponent is too large") +MSG_DEF(JSMSG_NAN_NUMBER_RANGE, 3, JSEXN_RANGEERR, "range can't {0} with NaN in {1}.{2}()") +MSG_DEF(JSMSG_INVALID_NUMBER_OPTION, 2, JSEXN_TYPEERR, "can't set option {0} when {1} is used") +MSG_DEF(JSMSG_UNEQUAL_FRACTION_DIGITS, 0, JSEXN_RANGEERR, "fraction digits must be the same when roundingIncrement is used") + +// RegExp +MSG_DEF(JSMSG_BAD_CLASS_RANGE, 0, JSEXN_SYNTAXERR, "invalid range in character class") +MSG_DEF(JSMSG_ESCAPE_AT_END_OF_REGEXP, 0, JSEXN_SYNTAXERR, "\\ at end of pattern") +MSG_DEF(JSMSG_EXEC_NOT_OBJORNULL, 0, JSEXN_TYPEERR, "RegExp exec method should return object or null") +MSG_DEF(JSMSG_INVALID_DECIMAL_ESCAPE, 0, JSEXN_SYNTAXERR, "invalid decimal escape in regular expression") +MSG_DEF(JSMSG_INVALID_GROUP, 0, JSEXN_SYNTAXERR, "invalid regexp group") +MSG_DEF(JSMSG_INVALID_IDENTITY_ESCAPE, 0, JSEXN_SYNTAXERR, "invalid identity escape in regular expression") +MSG_DEF(JSMSG_INVALID_UNICODE_ESCAPE, 0, JSEXN_SYNTAXERR, "invalid unicode escape in regular expression") +MSG_DEF(JSMSG_MISSING_PAREN, 0, JSEXN_SYNTAXERR, "unterminated parenthetical") +MSG_DEF(JSMSG_NEWREGEXP_FLAGGED, 0, JSEXN_TYPEERR, "can't supply flags when constructing one RegExp from another") +MSG_DEF(JSMSG_NOTHING_TO_REPEAT, 0, JSEXN_SYNTAXERR, "nothing to repeat") +MSG_DEF(JSMSG_NUMBERS_OUT_OF_ORDER, 0, JSEXN_SYNTAXERR, "numbers out of order in {} quantifier.") +MSG_DEF(JSMSG_RANGE_WITH_CLASS_ESCAPE, 0, JSEXN_SYNTAXERR, "character class escape cannot be used in class range in regular expression") +MSG_DEF(JSMSG_RAW_BRACKET_IN_REGEXP, 0, JSEXN_SYNTAXERR, "raw bracket is not allowed in regular expression with unicode flag") +MSG_DEF(JSMSG_TOO_MANY_PARENS, 0, JSEXN_INTERNALERR, "too many parentheses in regular expression") +MSG_DEF(JSMSG_UNICODE_OVERFLOW, 1, JSEXN_SYNTAXERR, "Unicode codepoint must not be greater than 0x10FFFF in {0}") +MSG_DEF(JSMSG_UNMATCHED_RIGHT_PAREN, 0, JSEXN_SYNTAXERR, "unmatched ) in regular expression") +MSG_DEF(JSMSG_UNTERM_CLASS, 0, JSEXN_SYNTAXERR, "unterminated character class") +MSG_DEF(JSMSG_INVALID_PROPERTY_NAME, 0, JSEXN_SYNTAXERR, "invalid property name in regular expression") +MSG_DEF(JSMSG_INVALID_CLASS_PROPERTY_NAME, 0, JSEXN_SYNTAXERR, "invalid class property name in regular expression") +MSG_DEF(JSMSG_INCOMPLETE_QUANTIFIER, 0, JSEXN_SYNTAXERR, "incomplete quantifier in regular expression") +MSG_DEF(JSMSG_INVALID_QUANTIFIER, 0, JSEXN_SYNTAXERR, "invalid quantifier in regular expression") +MSG_DEF(JSMSG_INVALID_CAPTURE_NAME, 0, JSEXN_SYNTAXERR, "invalid capture group name in regular expression") +MSG_DEF(JSMSG_DUPLICATE_CAPTURE_NAME, 0, JSEXN_SYNTAXERR, "duplicate capture group name in regular expression") +MSG_DEF(JSMSG_INVALID_NAMED_REF, 0, JSEXN_SYNTAXERR, "invalid named reference in regular expression") +MSG_DEF(JSMSG_INVALID_NAMED_CAPTURE_REF, 0, JSEXN_SYNTAXERR, "invalid named capture reference in regular expression") +MSG_DEF(JSMSG_INCOMPATIBLE_REGEXP_GETTER, 2, JSEXN_TYPEERR, "RegExp.prototype.{0} getter called on non-RegExp object: {1}") + +// Self-hosting +MSG_DEF(JSMSG_DEFAULT_LOCALE_ERROR, 0, JSEXN_ERR, "internal error getting the default locale") + +// Typed object +MSG_DEF(JSMSG_TYPEDOBJECT_SETTING_IMMUTABLE, 0, JSEXN_ERR, "setting immutable field") + +// Array +MSG_DEF(JSMSG_TOO_LONG_ARRAY, 0, JSEXN_TYPEERR, "Too long array") + +// Typed array +MSG_DEF(JSMSG_BAD_INDEX, 0, JSEXN_RANGEERR, "invalid or out-of-range index") +MSG_DEF(JSMSG_DEFINE_BAD_INDEX, 0, JSEXN_TYPEERR, "can't define element for invalid or out-of-range index") +MSG_DEF(JSMSG_NON_ARRAY_BUFFER_RETURNED, 0, JSEXN_TYPEERR, "expected ArrayBuffer, but species constructor returned non-ArrayBuffer") +MSG_DEF(JSMSG_SAME_ARRAY_BUFFER_RETURNED, 0, JSEXN_TYPEERR, "expected different ArrayBuffer, but species constructor returned same ArrayBuffer") +MSG_DEF(JSMSG_SHORT_ARRAY_BUFFER_RETURNED, 2, JSEXN_TYPEERR, "expected ArrayBuffer with at least {0} bytes, but species constructor returns ArrayBuffer with {1} bytes") +MSG_DEF(JSMSG_TYPED_ARRAY_BAD_ARGS, 0, JSEXN_TYPEERR, "invalid arguments") +MSG_DEF(JSMSG_TYPED_ARRAY_DETACHED, 0, JSEXN_TYPEERR, "attempting to access detached ArrayBuffer") +MSG_DEF(JSMSG_TYPED_ARRAY_CONSTRUCT_OFFSET_BOUNDS, 2, JSEXN_RANGEERR, "start offset of {0}Array should be a multiple of {1}") +MSG_DEF(JSMSG_TYPED_ARRAY_CONSTRUCT_OFFSET_MISALIGNED, 2, JSEXN_RANGEERR, "buffer length for {0}Array should be a multiple of {1}") +MSG_DEF(JSMSG_TYPED_ARRAY_CONSTRUCT_OFFSET_LENGTH_BOUNDS, 1, JSEXN_RANGEERR, "size of buffer is too small for {0}Array with byteOffset") +MSG_DEF(JSMSG_TYPED_ARRAY_CONSTRUCT_ARRAY_LENGTH_BOUNDS, 1, JSEXN_RANGEERR, "attempting to construct out-of-bounds {0}Array on ArrayBuffer") +MSG_DEF(JSMSG_TYPED_ARRAY_CONSTRUCT_TOO_LARGE, 1, JSEXN_RANGEERR, "{0}Array too large") + +MSG_DEF(JSMSG_TYPED_ARRAY_CALL_OR_CONSTRUCT, 1, JSEXN_TYPEERR, "cannot directly {0} builtin %TypedArray%") +MSG_DEF(JSMSG_NON_TYPED_ARRAY_RETURNED, 0, JSEXN_TYPEERR, "constructor didn't return TypedArray object") +MSG_DEF(JSMSG_SHORT_TYPED_ARRAY_RETURNED, 2, JSEXN_TYPEERR, "expected TypedArray of at least length {0}, but constructor returned TypedArray of length {1}") +MSG_DEF(JSMSG_TYPED_ARRAY_NOT_COMPATIBLE, 2, JSEXN_TYPEERR, "{0} elements are incompatible with {1}") +MSG_DEF(JSMSG_ARRAYBUFFER_REQUIRED, 0, JSEXN_TYPEERR, "ArrayBuffer object required") + +MSG_DEF(JSMSG_ARRAYBUFFER_COPY_RANGE, 0, JSEXN_RANGEERR, "ArrayBuffer range incorrect for copying") + +// Shared array buffer +MSG_DEF(JSMSG_SHARED_ARRAY_BAD_LENGTH, 0, JSEXN_RANGEERR, "length argument out of range") +MSG_DEF(JSMSG_NON_SHARED_ARRAY_BUFFER_RETURNED, 0, JSEXN_TYPEERR, "expected SharedArrayBuffer, but species constructor returned non-SharedArrayBuffer") +MSG_DEF(JSMSG_SAME_SHARED_ARRAY_BUFFER_RETURNED, 0, JSEXN_TYPEERR, "expected different SharedArrayBuffer, but species constructor returned same SharedArrayBuffer") +MSG_DEF(JSMSG_SHORT_SHARED_ARRAY_BUFFER_RETURNED, 2, JSEXN_TYPEERR, "expected SharedArrayBuffer with at least {0} bytes, but species constructor returns SharedArrayBuffer with {1} bytes") + +// Reflect +MSG_DEF(JSMSG_BAD_PARSE_NODE, 0, JSEXN_INTERNALERR, "bad parse node") + +// Symbol +MSG_DEF(JSMSG_SYMBOL_TO_STRING, 0, JSEXN_TYPEERR, "can't convert symbol to string") +MSG_DEF(JSMSG_SYMBOL_TO_NUMBER, 0, JSEXN_TYPEERR, "can't convert symbol to number") + +// Atomics and futexes +MSG_DEF(JSMSG_ATOMICS_BAD_ARRAY, 0, JSEXN_TYPEERR, "invalid array type for the operation") +MSG_DEF(JSMSG_ATOMICS_WAIT_NOT_ALLOWED, 0, JSEXN_TYPEERR, "waiting is not allowed on this thread") + +// XPConnect wrappers and DOM bindings +MSG_DEF(JSMSG_CANT_SET_INTERPOSED, 1, JSEXN_TYPEERR, "unable to set interposed data property '{0}'") +MSG_DEF(JSMSG_CANT_DEFINE_WINDOW_ELEMENT, 0, JSEXN_TYPEERR, "can't define elements on a Window object") +MSG_DEF(JSMSG_CANT_DELETE_WINDOW_ELEMENT, 0, JSEXN_TYPEERR, "can't delete elements from a Window object") +MSG_DEF(JSMSG_CANT_DEFINE_WINDOW_NAMED_PROPERTY, 1, JSEXN_TYPEERR, "can't define property {0} on window's named properties object") +MSG_DEF(JSMSG_CANT_DELETE_WINDOW_NAMED_PROPERTY, 1, JSEXN_TYPEERR, "can't delete property {0} from window's named properties object") +MSG_DEF(JSMSG_CANT_PREVENT_EXTENSIONS, 0, JSEXN_TYPEERR, "can't prevent extensions on this proxy object") +MSG_DEF(JSMSG_CANT_DEFINE_WINDOW_NC, 0, JSEXN_TYPEERR, "can't define non-configurable property on WindowProxy") +MSG_DEF(JSMSG_NO_NAMED_SETTER, 2, JSEXN_TYPEERR, "{0} doesn't have a named property setter for '{1}'") +MSG_DEF(JSMSG_NO_INDEXED_SETTER, 2, JSEXN_TYPEERR, "{0} doesn't have an indexed property setter for '{1}'") +MSG_DEF(JSMSG_NOT_DATA_DESCRIPTOR, 2, JSEXN_TYPEERR, "can't define a getter/setter for element '{1}' of {0} object") + +// Super +MSG_DEF(JSMSG_CANT_DELETE_SUPER, 0, JSEXN_REFERENCEERR, "invalid delete involving 'super'") +MSG_DEF(JSMSG_REINIT_THIS, 0, JSEXN_REFERENCEERR, "super() called twice in derived class constructor") + +// Modules +MSG_DEF(JSMSG_MISSING_INDIRECT_EXPORT, 0, JSEXN_SYNTAXERR, "indirect export not found") +MSG_DEF(JSMSG_AMBIGUOUS_INDIRECT_EXPORT, 0, JSEXN_SYNTAXERR, "ambiguous indirect export") +MSG_DEF(JSMSG_MISSING_IMPORT, 0, JSEXN_SYNTAXERR, "import not found") +MSG_DEF(JSMSG_AMBIGUOUS_IMPORT, 0, JSEXN_SYNTAXERR, "ambiguous import") +MSG_DEF(JSMSG_MISSING_EXPORT, 1, JSEXN_SYNTAXERR, "local binding for export '{0}' not found") +MSG_DEF(JSMSG_BAD_MODULE_STATUS, 1, JSEXN_INTERNALERR, "module record has unexpected status: {0}") +MSG_DEF(JSMSG_DYNAMIC_IMPORT_FAILED, 1, JSEXN_TYPEERR, "error loading dynamically imported module: {0}") +MSG_DEF(JSMSG_DYNAMIC_IMPORT_NOT_SUPPORTED, 0, JSEXN_TYPEERR, "Dynamic import not supported in this context") + +// Import maps +MSG_DEF(JSMSG_IMPORT_MAPS_PARSE_FAILED, 1, JSEXN_SYNTAXERR, "Failed to parse import map: Invalid JSON format. {0}") +MSG_DEF(JSMSG_IMPORT_MAPS_NOT_A_MAP, 0, JSEXN_TYPEERR, "the top-level value needs to be a JSON object") +MSG_DEF(JSMSG_IMPORT_MAPS_IMPORTS_NOT_A_MAP, 0, JSEXN_TYPEERR, "the imports top-level key needs to be a JSON object") +MSG_DEF(JSMSG_IMPORT_MAPS_SCOPES_NOT_A_MAP, 0, JSEXN_TYPEERR, "the scopes top-level key needs to be a JSON object") +MSG_DEF(JSMSG_IMPORT_MAPS_SCOPE_VALUE_NOT_A_MAP, 1, JSEXN_TYPEERR, "the value of the scope with prefix '{0}' needs to be a JSON object") + +// Promise +MSG_DEF(JSMSG_CANNOT_RESOLVE_PROMISE_WITH_ITSELF, 0, JSEXN_TYPEERR, "A promise cannot be resolved with itself.") +MSG_DEF(JSMSG_PROMISE_CAPABILITY_HAS_SOMETHING_ALREADY, 0, JSEXN_TYPEERR, "GetCapabilitiesExecutor function already invoked with non-undefined values.") +MSG_DEF(JSMSG_PROMISE_RESOLVE_FUNCTION_NOT_CALLABLE, 0, JSEXN_TYPEERR, "A Promise subclass passed a non-callable value as the resolve function.") +MSG_DEF(JSMSG_PROMISE_REJECT_FUNCTION_NOT_CALLABLE, 0, JSEXN_TYPEERR, "A Promise subclass passed a non-callable value as the reject function.") +MSG_DEF(JSMSG_PROMISE_ERROR_IN_WRAPPED_REJECTION_REASON,0, JSEXN_INTERNALERR, "Promise rejection value is a non-unwrappable cross-compartment wrapper.") +MSG_DEF(JSMSG_PROMISE_ANY_REJECTION, 0, JSEXN_AGGREGATEERR, "No Promise in Promise.any was resolved") + +// Iterator +MSG_DEF(JSMSG_RETURN_NOT_CALLABLE, 0, JSEXN_TYPEERR, "property 'return' of iterator is not callable") +MSG_DEF(JSMSG_ITERATOR_NO_THROW, 0, JSEXN_TYPEERR, "iterator does not have a 'throw' method") + +// Async Function +MSG_DEF(JSMSG_UNHANDLABLE_PROMISE_REJECTION_WARNING, 0, JSEXN_WARN, "unhandlable error after resolving async function's promise") + +// Async Iteration +MSG_DEF(JSMSG_FOR_AWAIT_NOT_OF, 0, JSEXN_SYNTAXERR, "'for await' loop should be used with 'of'") +MSG_DEF(JSMSG_NOT_AN_ASYNC_GENERATOR, 0, JSEXN_TYPEERR, "Not an async generator") +MSG_DEF(JSMSG_NOT_AN_ASYNC_ITERATOR, 0, JSEXN_TYPEERR, "Not an async from sync iterator") +MSG_DEF(JSMSG_GET_ASYNC_ITER_RETURNED_PRIMITIVE, 0, JSEXN_TYPEERR, "[Symbol.asyncIterator]() returned a non-object value") +MSG_DEF(JSMSG_SUSPENDED_QUEUE_NOT_EMPTY, 0, JSEXN_INTERNALERR, "Async generator is in invalid state due to debugger interaction") + +// ReadableStream +MSG_DEF(JSMSG_READABLESTREAM_UNDERLYINGSOURCE_TYPE_WRONG,0, JSEXN_RANGEERR,"'underlyingSource.type' must be \"bytes\" or undefined.") +MSG_DEF(JSMSG_READABLESTREAM_BYTES_TYPE_NOT_IMPLEMENTED, 0, JSEXN_RANGEERR,"support for 'new ReadableStream({ type: \"bytes\" })' is not yet implemented") +MSG_DEF(JSMSG_READABLESTREAM_BYOB_READER_FOR_NON_BYTE_STREAM,0,JSEXN_TYPEERR,"can't get a BYOB reader for a non-byte stream") +MSG_DEF(JSMSG_READABLESTREAM_INVALID_READER_MODE, 0, JSEXN_TYPEERR,"'mode' must be \"byob\" or undefined.") +MSG_DEF(JSMSG_NUMBER_MUST_BE_FINITE_NON_NEGATIVE, 1, JSEXN_RANGEERR, "'{0}' must be a finite, non-negative number.") +MSG_DEF(JSMSG_READABLESTREAM_LOCKED_METHOD, 1, JSEXN_TYPEERR, "'{0}' can't be called on a locked stream.") +MSG_DEF(JSMSG_READABLESTREAM_LOCKED, 0, JSEXN_TYPEERR, "A Reader may only be created for an unlocked ReadableStream.") +MSG_DEF(JSMSG_READABLESTREAM_NOT_DEFAULT_CONTROLLER, 1, JSEXN_TYPEERR, "{0} requires a ReadableStreamDefaultController.") +MSG_DEF(JSMSG_READABLESTREAMREADER_NOT_OWNED, 1, JSEXN_TYPEERR, "The ReadableStream reader method '{0}' may only be called on a reader owned by a stream.") +MSG_DEF(JSMSG_READABLESTREAMREADER_NOT_EMPTY, 1, JSEXN_TYPEERR, "The ReadableStream reader method '{0}' may not be called on a reader with read requests.") +MSG_DEF(JSMSG_READABLESTREAMREADER_RELEASED, 0, JSEXN_TYPEERR, "The ReadableStream reader was released.") +MSG_DEF(JSMSG_READABLESTREAMCONTROLLER_CLOSED, 1, JSEXN_TYPEERR, "'{0}' called on a stream already closing.") +MSG_DEF(JSMSG_READABLESTREAMCONTROLLER_NOT_READABLE, 1, JSEXN_TYPEERR, "'{0}' may only be called on a stream in the 'readable' state.") +MSG_DEF(JSMSG_READABLEBYTESTREAMCONTROLLER_BAD_CHUNKSIZE,0, JSEXN_RANGEERR, "ReadableByteStreamController requires a positive integer or undefined for 'autoAllocateChunkSize'.") +MSG_DEF(JSMSG_READABLEBYTESTREAMCONTROLLER_BAD_CHUNK, 1, JSEXN_TYPEERR, "{0} passed a bad chunk.") +MSG_DEF(JSMSG_READABLEBYTESTREAMCONTROLLER_CLOSE_PENDING_PULL, 0, JSEXN_TYPEERR, "The ReadableByteStreamController cannot be closed while the buffer is being filled.") + +// Other Stream-related +MSG_DEF(JSMSG_STREAM_MISSING_HIGHWATERMARK, 0, JSEXN_TYPEERR, "'highWaterMark' must not be undefined.") +MSG_DEF(JSMSG_STREAM_INVALID_HIGHWATERMARK, 0, JSEXN_RANGEERR, "'highWaterMark' must be a non-negative, non-NaN number.") +MSG_DEF(JSMSG_STREAM_CONSUME_ERROR, 0, JSEXN_TYPEERR, "error consuming stream body") + +// (wasm) Response-related +MSG_DEF(JSMSG_WASM_ERROR_CONSUMING_RESPONSE, 0, JSEXN_TYPEERR, "WebAssembly: There was an error consuming the Response") +MSG_DEF(JSMSG_WASM_BAD_RESPONSE_VALUE, 0, JSEXN_TYPEERR, "WebAssembly: Expected Response or Promise resolving to Response") +MSG_DEF(JSMSG_WASM_BAD_RESPONSE_MIME_TYPE, 2, JSEXN_TYPEERR, "WebAssembly: Response has unsupported MIME type '{0}' expected '{1}'") +MSG_DEF(JSMSG_WASM_BAD_RESPONSE_CORS_SAME_ORIGIN, 0, JSEXN_TYPEERR, "WebAssembly: Response.type must be 'basic', 'cors' or 'default'") +MSG_DEF(JSMSG_WASM_BAD_RESPONSE_STATUS, 0, JSEXN_TYPEERR, "WebAssembly: Response does not have ok status") +MSG_DEF(JSMSG_WASM_RESPONSE_ALREADY_CONSUMED, 0, JSEXN_TYPEERR, "WebAssembly: Response already consumed") + +// BigInt +MSG_DEF(JSMSG_BIGINT_TO_NUMBER, 0, JSEXN_TYPEERR, "can't convert BigInt to number") +MSG_DEF(JSMSG_NONINTEGER_NUMBER_TO_BIGINT, 1, JSEXN_RANGEERR, "{0} can't be converted to BigInt because it isn't an integer") +MSG_DEF(JSMSG_BIGINT_TOO_LARGE, 0, JSEXN_RANGEERR, "BigInt is too large to allocate") +MSG_DEF(JSMSG_BIGINT_DIVISION_BY_ZERO, 0, JSEXN_RANGEERR, "BigInt division by zero") +MSG_DEF(JSMSG_BIGINT_NEGATIVE_EXPONENT, 0, JSEXN_RANGEERR, "BigInt negative exponent") +MSG_DEF(JSMSG_BIGINT_INVALID_SYNTAX, 0, JSEXN_SYNTAXERR, "invalid BigInt syntax") +MSG_DEF(JSMSG_BIGINT_NOT_SERIALIZABLE, 0, JSEXN_TYPEERR, "BigInt value can't be serialized in JSON") + +// FinalizationRegistry +MSG_DEF(JSMSG_NOT_A_FINALIZATION_REGISTRY, 1, JSEXN_TYPEERR, "{0} is not a FinalizationRegistry") +MSG_DEF(JSMSG_BAD_HELD_VALUE, 0, JSEXN_TYPEERR, "The heldValue parameter passed to FinalizationRegistry.register must not be the same as the target parameter") +MSG_DEF(JSMSG_BAD_UNREGISTER_TOKEN, 1, JSEXN_TYPEERR, "Invalid unregister token passed to {0}") +MSG_DEF(JSMSG_BAD_FINALIZATION_REGISTRY_OBJECT, 0, JSEXN_TYPEERR, "cannot register the given object with a FinalizationRegistry") + +// WeakRef +MSG_DEF(JSMSG_NOT_A_WEAK_REF, 1, JSEXN_TYPEERR, "{0} is not a WeakRef") +MSG_DEF(JSMSG_BAD_WEAKREF_TARGET, 0, JSEXN_TYPEERR, "cannot use the given object as the target of a WeakRef") + +// Iterator Helpers +MSG_DEF(JSMSG_NEGATIVE_LIMIT, 0, JSEXN_RANGEERR, "Iterator limits cannot be negative") + +// Record and Tuple +MSG_DEF(JSMSG_RECORD_TUPLE_NO_OBJECT, 0, JSEXN_TYPEERR, "Record and Tuple can only contain primitive values") +MSG_DEF(JSMSG_RECORD_NO_PROTO, 0, JSEXN_SYNTAXERR, "__proto__ is not a valid literal key in records") +MSG_DEF(JSMSG_RECORD_NO_SYMBOL_KEY, 0, JSEXN_TYPEERR, "Symbols cannot be used as record keys") +MSG_DEF(JSMSG_BAD_TUPLE_INDEX, 0, JSEXN_RANGEERR, "index out of range for tuple") +MSG_DEF(JSMSG_BAD_TUPLE_OBJECT, 0, JSEXN_TYPEERR, "value of TupleObject must be a Tuple") +MSG_DEF(JSMSG_RECORD_TUPLE_TO_NUMBER, 0, JSEXN_TYPEERR, "can't convert Record or Tuple to number") + + +// Shadow Realms +MSG_DEF(JSMSG_NOT_SHADOW_REALM, 0, JSEXN_TYPEERR, "Object is not a ShadowRealm") +MSG_DEF(JSMSG_SHADOW_REALM_EVALUATE_NOT_STRING, 0, JSEXN_TYPEERR, "a ShadowRealm can only evaluate a string") +MSG_DEF(JSMSG_SHADOW_REALM_INVALID_RETURN, 0, JSEXN_TYPEERR, "return value not primitive or callable") +MSG_DEF(JSMSG_SHADOW_REALM_WRAP_FAILURE, 0, JSEXN_TYPEERR, "unable to wrap callable return object") +MSG_DEF(JSMSG_SHADOW_REALM_EVALUATE_FAILURE, 0, JSEXN_TYPEERR, "evaluate failed.") +MSG_DEF(JSMSG_SHADOW_REALM_EVALUATE_FAILURE_DETAIL, 1, JSEXN_TYPEERR, "evaluate failed, error was {0}") +MSG_DEF(JSMSG_SHADOW_REALM_WRAPPED_EXECUTION_FAILURE, 0, JSEXN_TYPEERR, "wrapped function threw.") +MSG_DEF(JSMSG_SHADOW_REALM_WRAPPED_EXECUTION_FAILURE_DETAIL, 1, JSEXN_TYPEERR, "wrapped function threw, error was {0}") + +MSG_DEF(JSMSG_SHADOW_REALM_EXPORT_NOT_STRING, 0, JSEXN_TYPEERR, "exportName must be a string") +MSG_DEF(JSMSG_SHADOW_REALM_IMPORTVALUE_FAILED, 0, JSEXN_TYPEERR, "import value failed") +MSG_DEF(JSMSG_SHADOW_REALM_VALUE_NOT_EXPORTED, 0, JSEXN_TYPEERR, "value not exported") + +// Decorators +MSG_DEF(JSMSG_DECORATOR_INVALID_RETURN_TYPE, 0, JSEXN_TYPEERR, "Invalid value returned from decorator: decorators can only return undefined or a callable") + +//clang-format on diff --git a/js/public/friend/JSMEnvironment.h b/js/public/friend/JSMEnvironment.h new file mode 100644 index 0000000000..ad16f2ba62 --- /dev/null +++ b/js/public/friend/JSMEnvironment.h @@ -0,0 +1,91 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Functionality provided for the JSM component loader in Gecko, that requires + * its own unique manner of global environment and currently requires assistance + * from SpiderMonkey to do so. + * + * Embedders who aren't Gecko can ignore this header. + */ + +#ifndef js_friend_JSMEnvironment_h +#define js_friend_JSMEnvironment_h + +#include "jstypes.h" // JS_PUBLIC_API + +#include "js/GCVector.h" // JS::StackGCVector +#include "js/TypeDecls.h" + +// A 'JSMEnvironment' refers to an environment chain constructed for JSM loading +// in a shared global. Internally it is a NonSyntacticVariablesObject with a +// corresponding extensible LexicalEnvironmentObject that is accessible by +// JS_ExtensibleLexicalEnvironment. The |this| value of that lexical environment +// is the NSVO itself. +// +// Normal global environment (ES6): JSM "global" environment: +// +// * - extensible lexical environment +// | (code runs in this environment; +// | `let/const` bindings go here) +// | +// * - JSMEnvironment (=== `this`) +// | (`var` bindings go here) +// | +// * - extensible lexical environment * - extensible lexical environment +// | (code runs in this environment; | (empty) +// | `let/const` bindings go here) | +// | | +// * - actual global (=== `this`) * - shared JSM global +// (var bindings go here; and (Object, Math, etc. live here) +// Object, Math, etc. live here) + +namespace JS { + +/** + * Allocate a new environment in the current compartment that is compatible with + * JSM shared loading. + */ +extern JS_PUBLIC_API JSObject* NewJSMEnvironment(JSContext* cx); + +/** + * Execute the given script (copied into the current compartment if necessary) + * in the given JSMEnvironment. The script must have been compiled for + * hasNonSyntacticScope. The |jsmEnv| must have been previously allocated by + * |NewJSMEnvironment|. + * + * NOTE: The associated extensible lexical environment is reused. + */ +extern JS_PUBLIC_API bool ExecuteInJSMEnvironment(JSContext* cx, + Handle<JSScript*> script, + Handle<JSObject*> jsmEnv); + +// Additionally, target objects may be specified as required by the Gecko +// subscript loader. These are wrapped in non-syntactic WithEnvironments and +// temporarily placed on the environment chain. +extern JS_PUBLIC_API bool ExecuteInJSMEnvironment( + JSContext* cx, Handle<JSScript*> script, Handle<JSObject*> jsmEnv, + Handle<StackGCVector<JSObject*>> targetObj); + +// Used by native methods to determine the JSMEnvironment of caller if possible +// by looking at stack frames. Returns nullptr if top frame isn't a scripted +// caller in a JSM. +// +// NOTE: This may find NonSyntacticVariablesObject generated by other embedding +// such as a Gecko FrameScript. Caller can check the compartment if needed. +extern JS_PUBLIC_API JSObject* GetJSMEnvironmentOfScriptedCaller(JSContext* cx); + +/** + * Determine if obj is a JSMEnvironment + * + * NOTE: This may return true for an NonSyntacticVariablesObject generated by + * other embedding such as a Gecko FrameScript. Caller can check compartment. + */ +extern JS_PUBLIC_API bool IsJSMEnvironment(JSObject* obj); + +} // namespace JS + +#endif // js_friend_JSMEnvironment_h diff --git a/js/public/friend/PerformanceHint.h b/js/public/friend/PerformanceHint.h new file mode 100644 index 0000000000..ca743e3ab7 --- /dev/null +++ b/js/public/friend/PerformanceHint.h @@ -0,0 +1,29 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef js_friend_PerformanceHint_h +#define js_friend_PerformanceHint_h + +#include "jstypes.h" // JS_PUBLIC_API +#include "js/TypeDecls.h" // JSContext + +namespace js { +namespace gc { + +// API to let the DOM tell us whether we're currently in pageload. +// +// This currently affects nursery sizing; we tolerate large nursery sizes (and +// hence longer minor GC pauses) during pageload so as not to limit performance. + +enum class PerformanceHint { Normal, InPageLoad }; + +extern JS_PUBLIC_API void SetPerformanceHint(JSContext* cx, + PerformanceHint hint); + +} /* namespace gc */ +} /* namespace js */ + +#endif // js_friend_PerformanceHint_h diff --git a/js/public/friend/StackLimits.h b/js/public/friend/StackLimits.h new file mode 100644 index 0000000000..061c0efcf0 --- /dev/null +++ b/js/public/friend/StackLimits.h @@ -0,0 +1,323 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef js_friend_StackLimits_h +#define js_friend_StackLimits_h + +#include "mozilla/Attributes.h" // MOZ_ALWAYS_INLINE, MOZ_COLD +#include "mozilla/Likely.h" // MOZ_LIKELY +#include "mozilla/Variant.h" // mozilla::Variant, mozilla::AsVariant + +#include <stddef.h> // size_t + +#include "jstypes.h" // JS_PUBLIC_API + +#include "js/HeapAPI.h" // JS::StackKind, JS::StackForTrustedScript, JS::StackForUntrustedScript +#include "js/RootingAPI.h" // JS::RootingContext +#include "js/Stack.h" // JS::NativeStackLimit +#include "js/Utility.h" // JS_STACK_OOM_POSSIBLY_FAIL + +struct JS_PUBLIC_API JSContext; + +#ifndef JS_STACK_GROWTH_DIRECTION +# ifdef __hppa +# define JS_STACK_GROWTH_DIRECTION (1) +# else +# define JS_STACK_GROWTH_DIRECTION (-1) +# endif +#endif + +namespace js { + +class FrontendContext; + +#ifdef __wasi__ +extern MOZ_COLD JS_PUBLIC_API void IncWasiRecursionDepth(JSContext* cx); +extern MOZ_COLD JS_PUBLIC_API void DecWasiRecursionDepth(JSContext* cx); +extern MOZ_COLD JS_PUBLIC_API bool CheckWasiRecursionLimit(JSContext* cx); + +extern MOZ_COLD JS_PUBLIC_API void IncWasiRecursionDepth(FrontendContext* fc); +extern MOZ_COLD JS_PUBLIC_API void DecWasiRecursionDepth(FrontendContext* fc); +extern MOZ_COLD JS_PUBLIC_API bool CheckWasiRecursionLimit(FrontendContext* fc); +#endif // __wasi__ + +// AutoCheckRecursionLimit can be used to check whether we're close to using up +// the C++ stack. +// +// Typical usage is like this: +// +// AutoCheckRecursionLimit recursion(cx); +// if (!recursion.check(cx)) { +// return false; +// } +// +// The check* functions return |false| if we are close to the stack limit. +// They also report an overrecursion error, except for the DontReport variants. +// +// The checkSystem variant gives us a little extra space so we can ensure that +// crucial code is able to run. +// +// checkConservative allows less space than any other check, including a safety +// buffer (as in, it uses the untrusted limit and subtracts a little more from +// it). +class MOZ_RAII AutoCheckRecursionLimit { + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkLimitImpl( + JS::NativeStackLimit limit, void* sp) const; + + MOZ_ALWAYS_INLINE JS::NativeStackLimit getStackLimitSlow(JSContext* cx) const; + MOZ_ALWAYS_INLINE JS::NativeStackLimit getStackLimitHelper( + JSContext* cx, JS::StackKind kind, int extraAllowance) const; + + JS::NativeStackLimit getStackLimit(FrontendContext* fc) const; + + JS_PUBLIC_API JS::StackKind stackKindForCurrentPrincipal(JSContext* cx) const; + + JS_PUBLIC_API void assertMainThread(JSContext* cx) const; + +#ifdef __wasi__ + // The JSContext outlives AutoCheckRecursionLimit so it is safe to use raw + // pointer here. + mozilla::Variant<JSContext*, FrontendContext*> context_; +#endif // __wasi__ + + public: + explicit MOZ_ALWAYS_INLINE AutoCheckRecursionLimit(JSContext* cx) +#ifdef __wasi__ + : context_(mozilla::AsVariant(cx)) +#endif // __wasi__ + { +#ifdef __wasi__ + incWasiRecursionDepth(); +#endif // __wasi__ + } + + explicit MOZ_ALWAYS_INLINE AutoCheckRecursionLimit(FrontendContext* fc) +#ifdef __wasi__ + : context_(mozilla::AsVariant(fc)) +#endif // __wasi__ + { +#ifdef __wasi__ + incWasiRecursionDepth(); +#endif // __wasi__ + } + + MOZ_ALWAYS_INLINE ~AutoCheckRecursionLimit() { +#ifdef __wasi__ + decWasiRecursionDepth(); +#endif // __wasi__ + } + +#ifdef __wasi__ + MOZ_ALWAYS_INLINE void incWasiRecursionDepth() { + if (context_.is<JSContext*>()) { + JSContext* cx = context_.as<JSContext*>(); + IncWasiRecursionDepth(cx); + } else { + FrontendContext* fc = context_.as<FrontendContext*>(); + IncWasiRecursionDepth(fc); + } + } + + MOZ_ALWAYS_INLINE void decWasiRecursionDepth() { + if (context_.is<JSContext*>()) { + JSContext* cx = context_.as<JSContext*>(); + DecWasiRecursionDepth(cx); + } else { + FrontendContext* fc = context_.as<FrontendContext*>(); + DecWasiRecursionDepth(fc); + } + } + + MOZ_ALWAYS_INLINE bool checkWasiRecursionLimit() const { + if (context_.is<JSContext*>()) { + JSContext* cx = context_.as<JSContext*>(); + if (!CheckWasiRecursionLimit(cx)) { + return false; + } + } else { + FrontendContext* fc = context_.as<FrontendContext*>(); + if (!CheckWasiRecursionLimit(fc)) { + return false; + } + } + + return true; + } +#endif // __wasi__ + + AutoCheckRecursionLimit(const AutoCheckRecursionLimit&) = delete; + void operator=(const AutoCheckRecursionLimit&) = delete; + + [[nodiscard]] MOZ_ALWAYS_INLINE bool check(JSContext* cx) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool check(FrontendContext* fc) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkDontReport(JSContext* cx) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkDontReport( + FrontendContext* fc) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkWithExtra(JSContext* cx, + size_t extra) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkWithStackPointerDontReport( + JSContext* cx, void* sp) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkWithStackPointerDontReport( + FrontendContext* fc, void* sp) const; + + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkConservative(JSContext* cx) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkConservativeDontReport( + JSContext* cx) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkConservativeDontReport( + JS::NativeStackLimit limit) const; + + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkSystem(JSContext* cx) const; + [[nodiscard]] MOZ_ALWAYS_INLINE bool checkSystemDontReport( + JSContext* cx) const; +}; + +extern MOZ_COLD JS_PUBLIC_API void ReportOverRecursed(JSContext* maybecx); +extern MOZ_COLD JS_PUBLIC_API void ReportOverRecursed(FrontendContext* fc); + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkLimitImpl( + JS::NativeStackLimit limit, void* sp) const { + JS_STACK_OOM_POSSIBLY_FAIL(); + +#ifdef __wasi__ + if (!checkWasiRecursionLimit()) { + return false; + } +#endif // __wasi__ + +#if JS_STACK_GROWTH_DIRECTION > 0 + return MOZ_LIKELY(JS::NativeStackLimit(sp) < limit); +#else + return MOZ_LIKELY(JS::NativeStackLimit(sp) > limit); +#endif +} + +MOZ_ALWAYS_INLINE JS::NativeStackLimit +AutoCheckRecursionLimit::getStackLimitSlow(JSContext* cx) const { + JS::StackKind kind = stackKindForCurrentPrincipal(cx); + return getStackLimitHelper(cx, kind, 0); +} + +MOZ_ALWAYS_INLINE JS::NativeStackLimit +AutoCheckRecursionLimit::getStackLimitHelper(JSContext* cx, JS::StackKind kind, + int extraAllowance) const { + assertMainThread(cx); + JS::NativeStackLimit limit = + JS::RootingContext::get(cx)->nativeStackLimit[kind]; +#if JS_STACK_GROWTH_DIRECTION > 0 + limit += extraAllowance; +#else + limit -= extraAllowance; +#endif + return limit; +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::check(JSContext* cx) const { + if (MOZ_UNLIKELY(!checkDontReport(cx))) { + ReportOverRecursed(cx); + return false; + } + return true; +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::check( + FrontendContext* fc) const { + if (MOZ_UNLIKELY(!checkDontReport(fc))) { + ReportOverRecursed(fc); + return false; + } + return true; +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkDontReport( + JSContext* cx) const { + int stackDummy; + return checkWithStackPointerDontReport(cx, &stackDummy); +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkDontReport( + FrontendContext* fc) const { + int stackDummy; + return checkWithStackPointerDontReport(fc, &stackDummy); +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkWithStackPointerDontReport( + JSContext* cx, void* sp) const { + // getStackLimitSlow(cx) is pretty slow because it has to do an uninlined + // call to stackKindForCurrentPrincipal to determine which stack limit to + // use. To work around this, check the untrusted limit first to avoid the + // overhead in most cases. + JS::NativeStackLimit untrustedLimit = + getStackLimitHelper(cx, JS::StackForUntrustedScript, 0); + if (MOZ_LIKELY(checkLimitImpl(untrustedLimit, sp))) { + return true; + } + return checkLimitImpl(getStackLimitSlow(cx), sp); +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkWithStackPointerDontReport( + FrontendContext* fc, void* sp) const { + return checkLimitImpl(getStackLimit(fc), sp); +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkWithExtra( + JSContext* cx, size_t extra) const { + char stackDummy; + char* sp = &stackDummy; +#if JS_STACK_GROWTH_DIRECTION > 0 + sp += extra; +#else + sp -= extra; +#endif + if (MOZ_UNLIKELY(!checkWithStackPointerDontReport(cx, sp))) { + ReportOverRecursed(cx); + return false; + } + return true; +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkSystem( + JSContext* cx) const { + if (MOZ_UNLIKELY(!checkSystemDontReport(cx))) { + ReportOverRecursed(cx); + return false; + } + return true; +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkSystemDontReport( + JSContext* cx) const { + JS::NativeStackLimit limit = + getStackLimitHelper(cx, JS::StackForSystemCode, 0); + int stackDummy; + return checkLimitImpl(limit, &stackDummy); +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkConservative( + JSContext* cx) const { + if (MOZ_UNLIKELY(!checkConservativeDontReport(cx))) { + ReportOverRecursed(cx); + return false; + } + return true; +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkConservativeDontReport( + JSContext* cx) const { + JS::NativeStackLimit limit = getStackLimitHelper( + cx, JS::StackForUntrustedScript, -4096 * int(sizeof(size_t))); + int stackDummy; + return checkLimitImpl(limit, &stackDummy); +} + +MOZ_ALWAYS_INLINE bool AutoCheckRecursionLimit::checkConservativeDontReport( + JS::NativeStackLimit limit) const { + int stackDummy; + return checkLimitImpl(limit, &stackDummy); +} + +} // namespace js + +#endif // js_friend_StackLimits_h diff --git a/js/public/friend/UsageStatistics.h b/js/public/friend/UsageStatistics.h new file mode 100644 index 0000000000..0c23b0128f --- /dev/null +++ b/js/public/friend/UsageStatistics.h @@ -0,0 +1,100 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Telemetry and use counter functionality. */ + +#ifndef js_friend_UsageStatistics_h +#define js_friend_UsageStatistics_h + +#include <stdint.h> // uint32_t + +#include "jstypes.h" // JS_PUBLIC_API + +struct JS_PUBLIC_API JSContext; +class JS_PUBLIC_API JSObject; + +/* + * Telemetry reasons passed to the accumulate telemetry callback. + * + * It's OK for these enum values to change as they will be mapped to a fixed + * member of the mozilla::Telemetry::HistogramID enum by the callback. + */ +#define FOR_EACH_JS_METRIC(_) \ + _(GC_REASON_2, Enumeration) \ + _(GC_IS_COMPARTMENTAL, Boolean) \ + _(GC_ZONE_COUNT, QuantityDistribution) \ + _(GC_ZONES_COLLECTED, QuantityDistribution) \ + _(GC_MS, TimeDuration_MS) \ + _(GC_BUDGET_MS_2, TimeDuration_MS) \ + _(GC_BUDGET_WAS_INCREASED, Boolean) \ + _(GC_SLICE_WAS_LONG, Boolean) \ + _(GC_BUDGET_OVERRUN, TimeDuration_US) \ + _(GC_ANIMATION_MS, TimeDuration_MS) \ + _(GC_MAX_PAUSE_MS_2, TimeDuration_MS) \ + _(GC_PREPARE_MS, TimeDuration_MS) \ + _(GC_MARK_MS, TimeDuration_MS) \ + _(GC_SWEEP_MS, TimeDuration_MS) \ + _(GC_COMPACT_MS, TimeDuration_MS) \ + _(GC_MARK_ROOTS_US, TimeDuration_US) \ + _(GC_MARK_GRAY_MS_2, TimeDuration_MS) \ + _(GC_MARK_WEAK_MS, TimeDuration_MS) \ + _(GC_SLICE_MS, TimeDuration_MS) \ + _(GC_SLOW_PHASE, Enumeration) \ + _(GC_SLOW_TASK, Enumeration) \ + _(GC_MMU_50, Percentage) \ + _(GC_RESET, Boolean) \ + _(GC_RESET_REASON, Enumeration) \ + _(GC_NON_INCREMENTAL, Boolean) \ + _(GC_NON_INCREMENTAL_REASON, Enumeration) \ + _(GC_MINOR_REASON, Enumeration) \ + _(GC_MINOR_REASON_LONG, Enumeration) \ + _(GC_MINOR_US, TimeDuration_US) \ + _(GC_NURSERY_BYTES_2, MemoryDistribution) \ + _(GC_PRETENURE_COUNT_2, QuantityDistribution) \ + _(GC_NURSERY_PROMOTION_RATE, Percentage) \ + _(GC_TENURED_SURVIVAL_RATE, Percentage) \ + _(GC_MARK_RATE_2, QuantityDistribution) \ + _(GC_TIME_BETWEEN_S, TimeDuration_S) \ + _(GC_TIME_BETWEEN_SLICES_MS, TimeDuration_MS) \ + _(GC_SLICE_COUNT, QuantityDistribution) \ + _(DESERIALIZE_BYTES, MemoryDistribution) \ + _(DESERIALIZE_ITEMS, QuantityDistribution) \ + _(DESERIALIZE_US, TimeDuration_US) \ + _(GC_EFFECTIVENESS, MemoryDistribution) \ + _(GC_PARALLEL_MARK_SPEEDUP, Integer) \ + _(GC_PARALLEL_MARK_UTILIZATION, Percentage) \ + _(GC_PARALLEL_MARK_INTERRUPTIONS, Integer) \ + _(GC_TASK_START_DELAY_US, TimeDuration_US) + +// clang-format off +#define ENUM_DEF(NAME, _) NAME, +enum class JSMetric { + FOR_EACH_JS_METRIC(ENUM_DEF) + Count +}; +#undef ENUM_DEF +// clang-format on + +using JSAccumulateTelemetryDataCallback = void (*)(JSMetric, uint32_t); + +extern JS_PUBLIC_API void JS_SetAccumulateTelemetryCallback( + JSContext* cx, JSAccumulateTelemetryDataCallback callback); + +/* + * Use counter names passed to the accumulate use counter callback. + * + * It's OK to for these enum values to change as they will be mapped to a + * fixed member of the mozilla::UseCounter enum by the callback. + */ + +enum class JSUseCounter { ASMJS, WASM }; + +using JSSetUseCounterCallback = void (*)(JSObject*, JSUseCounter); + +extern JS_PUBLIC_API void JS_SetSetUseCounterCallback( + JSContext* cx, JSSetUseCounterCallback callback); + +#endif // js_friend_UsageStatistics_h diff --git a/js/public/friend/WindowProxy.h b/js/public/friend/WindowProxy.h new file mode 100644 index 0000000000..9023e9e96b --- /dev/null +++ b/js/public/friend/WindowProxy.h @@ -0,0 +1,105 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Window and WindowProxy. + * + * For silly obscure reasons embedders are better off not knowing, the web wants + * every global object to exist as two linked components: a Window component + * that stores global variables and appears in environment chains but can't be + * directly referred to by any script, and a WindowProxy component that + * intermediates access to its Window that *can* be directly referred to by + * script. (Thus the global |window| and |globalThis| properties, |this| in + * global code, the value of |(function() { return this; })()| in non-strict + * mode code, and similar values are WindowProxy objects, not Windows.) + * + * Maintaining an invariant of never exposing a Window to script requires + * substituting in its WindowProxy in a variety of apparently arbitrary (but + * actually *very* carefully and nervously selected) places throughout the + * engine and indeed the universe. + * + * This header defines functions that let embeddings convert from a WindowProxy + * to its Window and vice versa. + * + * If you're not embedding SpiderMonkey in a web browser, you can almost + * certainly ignore this header. + */ + +#ifndef js_friend_WindowProxy_h +#define js_friend_WindowProxy_h + +#include "jstypes.h" // JS_PUBLIC_API + +#include "js/Class.h" // JSCLASS_IS_GLOBAL +#include "js/Object.h" // JS::GetClass +#include "js/RootingAPI.h" // JS::Handle + +struct JS_PUBLIC_API JSContext; +class JS_PUBLIC_API JSObject; + +namespace js { + +/** + * Tell the JS engine which Class is used for WindowProxy objects. Used by the + * functions below. + */ +extern JS_PUBLIC_API void SetWindowProxyClass(JSContext* cx, + const JSClass* clasp); + +/** + * Associates a WindowProxy with a Window (global object). `windowProxy` must + * have the Class set by SetWindowProxyClass. + */ +extern JS_PUBLIC_API void SetWindowProxy(JSContext* cx, + JS::Handle<JSObject*> global, + JS::Handle<JSObject*> windowProxy); + +namespace detail { + +extern JS_PUBLIC_API bool IsWindowSlow(JSObject* obj); + +extern JS_PUBLIC_API JSObject* ToWindowProxyIfWindowSlow(JSObject* obj); + +} // namespace detail + +/** + * Returns true iff `obj` is a global object with an associated WindowProxy, + * see SetWindowProxy. + */ +inline bool IsWindow(JSObject* obj) { + if (JS::GetClass(obj)->flags & JSCLASS_IS_GLOBAL) { + return detail::IsWindowSlow(obj); + } + return false; +} + +/** + * Returns true iff `obj` has the WindowProxy Class (see SetWindowProxyClass). + */ +extern JS_PUBLIC_API bool IsWindowProxy(JSObject* obj); + +/** + * If `obj` is a Window, get its associated WindowProxy (or a CCW or dead + * wrapper if the page was navigated away from), else return `obj`. This + * function is infallible and never returns nullptr. + */ +MOZ_ALWAYS_INLINE JSObject* ToWindowProxyIfWindow(JSObject* obj) { + if (JS::GetClass(obj)->flags & JSCLASS_IS_GLOBAL) { + return detail::ToWindowProxyIfWindowSlow(obj); + } + return obj; +} + +/** + * If `obj` is a WindowProxy, get its associated Window (the compartment's + * global), else return `obj`. This function is infallible and never returns + * nullptr. + */ +extern JS_PUBLIC_API JSObject* ToWindowIfWindowProxy(JSObject* obj); + +} // namespace js + +#endif // js_friend_WindowProxy_h diff --git a/js/public/friend/XrayJitInfo.h b/js/public/friend/XrayJitInfo.h new file mode 100644 index 0000000000..ddeec6a44f --- /dev/null +++ b/js/public/friend/XrayJitInfo.h @@ -0,0 +1,57 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * JIT info so SpiderMonkey can efficiently work with Gecko XrayWrapper + * instances. + * + * This header is completely irrelevant to non-Gecko embedders. + */ + +#ifndef js_friend_XrayJitInfo_h +#define js_friend_XrayJitInfo_h + +#include <stddef.h> // size_t + +#include "jstypes.h" // JS_PUBLIC_API + +class JS_PUBLIC_API JSObject; + +namespace js { + +class JS_PUBLIC_API BaseProxyHandler; + +} // namespace js + +namespace JS { + +// Callbacks and other information for use by the JITs when optimizing accesses +// on xray wrappers. +struct XrayJitInfo { + // Test whether a proxy handler is a cross compartment xray with no + // security checks. + bool (*isCrossCompartmentXray)(const js::BaseProxyHandler* handler); + + // Test whether xrays in |obj|'s compartment have expandos of their own, + // instead of sharing them with Xrays from other compartments. + bool (*compartmentHasExclusiveExpandos)(JSObject* obj); + + // Proxy reserved slot used by xrays in sandboxes to store their holder + // object. + size_t xrayHolderSlot; + + // Reserved slot used by xray holders to store the xray's expando object. + size_t holderExpandoSlot; + + // Reserved slot used by xray expandos to store a custom prototype. + size_t expandoProtoSlot; +}; + +extern JS_PUBLIC_API void SetXrayJitInfo(XrayJitInfo* info); + +} // namespace JS + +#endif // js_friend_XrayJitInfo_h |