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Diffstat (limited to 'js/public/ProtoKey.h')
| -rw-r--r-- | js/public/ProtoKey.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/js/public/ProtoKey.h b/js/public/ProtoKey.h new file mode 100644 index 0000000000..398e1f03f1 --- /dev/null +++ b/js/public/ProtoKey.h @@ -0,0 +1,136 @@ +/* -*- 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_ProtoKey_h +#define js_ProtoKey_h + +/* A higher-order macro for enumerating all JSProtoKey values. */ +/* + * Consumers define macros as follows: + * MACRO(name, clasp) + * name: The canonical name of the class. + * clasp: The JSClass for this object, or "dummy" if it doesn't exist. + * + * + * Consumers wishing to iterate over all the JSProtoKey values, can use + * JS_FOR_EACH_PROTOTYPE. However, there are certain values that don't + * correspond to real constructors, like Null or constructors that are disabled + * via preprocessor directives. We still need to include these in the JSProtoKey + * list in order to maintain binary XDR compatibility, but we need to provide a + * tool to handle them differently. JS_FOR_PROTOTYPES fills this niche. + * + * Consumers pass two macros to JS_FOR_PROTOTYPES - |REAL| and |IMAGINARY|. The + * former is invoked for entries that have real client-exposed constructors, and + * the latter is called for the rest. Consumers that don't care about this + * distinction can simply pass the same macro to both, which is exactly what + * JS_FOR_EACH_PROTOTYPE does. + */ + +#define CLASP(NAME) (&NAME##Class) +#define OCLASP(NAME) (&NAME##Object::class_) +#define TYPED_ARRAY_CLASP(TYPE) (&TypedArrayObject::classes[JS::Scalar::TYPE]) +#define ERROR_CLASP(TYPE) (&ErrorObject::classes[TYPE]) + +#ifdef JS_HAS_INTL_API +# define IF_INTL(REAL, IMAGINARY) REAL +#else +# define IF_INTL(REAL, IMAGINARY) IMAGINARY +#endif + +#ifdef ENABLE_WASM_TYPE_REFLECTIONS +# define IF_WASM_TYPE(REAL, IMAGINARY) REAL +#else +# define IF_WASM_TYPE(REAL, IMAGINARY) IMAGINARY +#endif + +#define JS_FOR_PROTOTYPES_(REAL, IMAGINARY, REAL_IF_INTL, REAL_IF_WASM_TYPE) \ + IMAGINARY(Null, dummy) \ + REAL(Object, OCLASP(Plain)) \ + REAL(Function, &FunctionClass) \ + IMAGINARY(BoundFunction, OCLASP(BoundFunction)) \ + REAL(Array, OCLASP(Array)) \ + REAL(Boolean, OCLASP(Boolean)) \ + REAL(JSON, CLASP(JSON)) \ + REAL(Date, OCLASP(Date)) \ + REAL(Math, CLASP(Math)) \ + REAL(Number, OCLASP(Number)) \ + REAL(String, OCLASP(String)) \ + REAL(RegExp, OCLASP(RegExp)) \ + REAL(Error, ERROR_CLASP(JSEXN_ERR)) \ + REAL(InternalError, ERROR_CLASP(JSEXN_INTERNALERR)) \ + REAL(AggregateError, ERROR_CLASP(JSEXN_AGGREGATEERR)) \ + REAL(EvalError, ERROR_CLASP(JSEXN_EVALERR)) \ + REAL(RangeError, ERROR_CLASP(JSEXN_RANGEERR)) \ + REAL(ReferenceError, ERROR_CLASP(JSEXN_REFERENCEERR)) \ + REAL(SyntaxError, ERROR_CLASP(JSEXN_SYNTAXERR)) \ + REAL(TypeError, ERROR_CLASP(JSEXN_TYPEERR)) \ + REAL(URIError, ERROR_CLASP(JSEXN_URIERR)) \ + REAL(DebuggeeWouldRun, ERROR_CLASP(JSEXN_DEBUGGEEWOULDRUN)) \ + REAL(CompileError, ERROR_CLASP(JSEXN_WASMCOMPILEERROR)) \ + REAL(LinkError, ERROR_CLASP(JSEXN_WASMLINKERROR)) \ + REAL(RuntimeError, ERROR_CLASP(JSEXN_WASMRUNTIMEERROR)) \ + REAL(ArrayBuffer, OCLASP(ArrayBuffer)) \ + REAL(Int8Array, TYPED_ARRAY_CLASP(Int8)) \ + REAL(Uint8Array, TYPED_ARRAY_CLASP(Uint8)) \ + REAL(Int16Array, TYPED_ARRAY_CLASP(Int16)) \ + REAL(Uint16Array, TYPED_ARRAY_CLASP(Uint16)) \ + REAL(Int32Array, TYPED_ARRAY_CLASP(Int32)) \ + REAL(Uint32Array, TYPED_ARRAY_CLASP(Uint32)) \ + REAL(Float32Array, TYPED_ARRAY_CLASP(Float32)) \ + REAL(Float64Array, TYPED_ARRAY_CLASP(Float64)) \ + REAL(Uint8ClampedArray, TYPED_ARRAY_CLASP(Uint8Clamped)) \ + REAL(BigInt64Array, TYPED_ARRAY_CLASP(BigInt64)) \ + REAL(BigUint64Array, TYPED_ARRAY_CLASP(BigUint64)) \ + REAL(BigInt, OCLASP(BigInt)) \ + REAL(Proxy, CLASP(Proxy)) \ + REAL(WeakMap, OCLASP(WeakMap)) \ + REAL(Map, OCLASP(Map)) \ + REAL(Set, OCLASP(Set)) \ + REAL(DataView, OCLASP(DataView)) \ + REAL(Symbol, OCLASP(Symbol)) \ + REAL(ShadowRealm, OCLASP(ShadowRealm)) \ + REAL(SharedArrayBuffer, OCLASP(SharedArrayBuffer)) \ + REAL_IF_INTL(Intl, CLASP(Intl)) \ + REAL_IF_INTL(Collator, OCLASP(Collator)) \ + REAL_IF_INTL(DateTimeFormat, OCLASP(DateTimeFormat)) \ + REAL_IF_INTL(DisplayNames, OCLASP(DisplayNames)) \ + REAL_IF_INTL(ListFormat, OCLASP(ListFormat)) \ + REAL_IF_INTL(Locale, OCLASP(Locale)) \ + REAL_IF_INTL(NumberFormat, OCLASP(NumberFormat)) \ + REAL_IF_INTL(PluralRules, OCLASP(PluralRules)) \ + REAL_IF_INTL(RelativeTimeFormat, OCLASP(RelativeTimeFormat)) \ + REAL(Reflect, CLASP(Reflect)) \ + REAL(WeakSet, OCLASP(WeakSet)) \ + REAL(TypedArray, &js::TypedArrayObject::sharedTypedArrayPrototypeClass) \ + REAL(Atomics, OCLASP(Atomics)) \ + REAL(SavedFrame, &js::SavedFrame::class_) \ + REAL(Promise, OCLASP(Promise)) \ + REAL(AsyncFunction, CLASP(AsyncFunction)) \ + REAL(GeneratorFunction, CLASP(GeneratorFunction)) \ + REAL(AsyncGeneratorFunction, CLASP(AsyncGeneratorFunction)) \ + REAL(WebAssembly, OCLASP(WasmNamespace)) \ + REAL(WasmModule, OCLASP(WasmModule)) \ + REAL(WasmInstance, OCLASP(WasmInstance)) \ + REAL(WasmMemory, OCLASP(WasmMemory)) \ + REAL(WasmTable, OCLASP(WasmTable)) \ + REAL(WasmGlobal, OCLASP(WasmGlobal)) \ + REAL(WasmTag, OCLASP(WasmTag)) \ + REAL_IF_WASM_TYPE(WasmFunction, CLASP(WasmFunction)) \ + REAL(WasmException, OCLASP(WasmException)) \ + REAL(FinalizationRegistry, OCLASP(FinalizationRegistry)) \ + REAL(WeakRef, OCLASP(WeakRef)) \ + REAL(Iterator, OCLASP(Iterator)) \ + REAL(AsyncIterator, OCLASP(AsyncIterator)) \ + IF_RECORD_TUPLE(REAL(Record, (&RecordType::class_))) \ + IF_RECORD_TUPLE(REAL(Tuple, (&TupleType::class_))) + +#define JS_FOR_PROTOTYPES(REAL, IMAGINARY) \ + JS_FOR_PROTOTYPES_(REAL, IMAGINARY, IF_INTL(REAL, IMAGINARY), \ + IF_WASM_TYPE(REAL, IMAGINARY)) + +#define JS_FOR_EACH_PROTOTYPE(MACRO) JS_FOR_PROTOTYPES(MACRO, MACRO) + +#endif /* js_ProtoKey_h */ |