diff -r 000000000000 -r 6474c204b198 js/src/jsprototypes.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/js/src/jsprototypes.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,108 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * vim: set ts=8 sts=4 et sw=4 tw=99: + * 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 jsprototypes_h +#define jsprototypes_h + +/* A higher-order macro for enumerating all JSProtoKey values. */ +/* + * Consumers define macros as follows: + * macro(name, code, init, clasp) + * name: The canonical name of the class. + * code: The enumerator code. There are part of the XDR API, and must not change. + * init: Initialization function. These are |extern "C";|, and clients should use + * |extern "C" {}| as appropriate when using this macro. + * 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[ScalarTypeDescr::type]) + +#ifdef ENABLE_PARALLEL_JS +#define IF_PJS(real,imaginary) real +#else +#define IF_PJS(real,imaginary) imaginary +#endif + +#ifdef EXPOSE_INTL_API +#define IF_INTL(real,imaginary) real +#else +#define IF_INTL(real,imaginary) imaginary +#endif + +#ifdef ENABLE_BINARYDATA +#define IF_BDATA(real,imaginary) real +#else +#define IF_BDATA(real,imaginary) imaginary +#endif + +#ifdef ENABLE_SHARED_ARRAY_BUFFER +#define IF_SAB(real,imaginary) real +#else +#define IF_SAB(real,imaginary) imaginary +#endif + +#define JS_FOR_PROTOTYPES(real,imaginary) \ + imaginary(Null, 0, js_InitNullClass, dummy) \ + real(Object, 1, js_InitObjectClass, &JSObject::class_) \ + real(Function, 2, js_InitFunctionClass, &JSFunction::class_) \ + real(Array, 3, js_InitArrayClass, OCLASP(Array)) \ + real(Boolean, 4, js_InitBooleanClass, OCLASP(Boolean)) \ + real(JSON, 5, js_InitJSONClass, CLASP(JSON)) \ + real(Date, 6, js_InitViaClassSpec, OCLASP(Date)) \ + real(Math, 7, js_InitMathClass, CLASP(Math)) \ + real(Number, 8, js_InitNumberClass, OCLASP(Number)) \ + real(String, 9, js_InitStringClass, OCLASP(String)) \ + real(RegExp, 10, js_InitRegExpClass, OCLASP(RegExp)) \ + real(Error, 11, js_InitExceptionClasses, OCLASP(Error)) \ + real(InternalError, 12, js_InitExceptionClasses, OCLASP(Error)) \ + real(EvalError, 13, js_InitExceptionClasses, OCLASP(Error)) \ + real(RangeError, 14, js_InitExceptionClasses, OCLASP(Error)) \ + real(ReferenceError, 15, js_InitExceptionClasses, OCLASP(Error)) \ + real(SyntaxError, 16, js_InitExceptionClasses, OCLASP(Error)) \ + real(TypeError, 17, js_InitExceptionClasses, OCLASP(Error)) \ + real(URIError, 18, js_InitExceptionClasses, OCLASP(Error)) \ + real(Iterator, 19, js_InitIteratorClasses, OCLASP(PropertyIterator)) \ + real(StopIteration, 20, js_InitIteratorClasses, OCLASP(StopIteration)) \ + real(ArrayBuffer, 21, js_InitTypedArrayClasses, &js::ArrayBufferObject::protoClass) \ + real(Int8Array, 22, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_INT8)) \ + real(Uint8Array, 23, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_UINT8)) \ + real(Int16Array, 24, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_INT16)) \ + real(Uint16Array, 25, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_UINT16)) \ + real(Int32Array, 26, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_INT32)) \ + real(Uint32Array, 27, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_UINT32)) \ + real(Float32Array, 28, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_FLOAT32)) \ + real(Float64Array, 29, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_FLOAT64)) \ + real(Uint8ClampedArray, 30, js_InitTypedArrayClasses, TYPED_ARRAY_CLASP(TYPE_UINT8_CLAMPED)) \ + real(Proxy, 31, js_InitProxyClass, &ProxyObject::uncallableClass_) \ + real(WeakMap, 32, js_InitWeakMapClass, OCLASP(WeakMap)) \ + real(Map, 33, js_InitMapClass, OCLASP(Map)) \ + real(Set, 34, js_InitSetClass, OCLASP(Set)) \ + real(DataView, 35, js_InitTypedArrayClasses, OCLASP(DataView)) \ +IF_SAB(real,imaginary)(SharedArrayBuffer, 36, js_InitSharedArrayBufferClass, &js::SharedArrayBufferObject::protoClass) \ +IF_INTL(real,imaginary) (Intl, 37, js_InitIntlClass, CLASP(Intl)) \ +IF_BDATA(real,imaginary)(TypedObject, 38, js_InitTypedObjectModuleObject, OCLASP(TypedObjectModule)) \ + imaginary(GeneratorFunction, 39, js_InitIteratorClasses, dummy) \ +IF_BDATA(real,imaginary)(SIMD, 40, js_InitSIMDClass, OCLASP(SIMD)) \ + +#define JS_FOR_EACH_PROTOTYPE(macro) JS_FOR_PROTOTYPES(macro,macro) + +#endif /* jsprototypes_h */