/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 sts=4 et sw=4 tw=99: * * Copyright 2014 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef asmjs_asmjs_h #define asmjs_asmjs_h #include "NamespaceImports.h" namespace js { class ExclusiveContext; namespace frontend { template <typename ParseHandler> class Parser; class ParseContext; class FullParseHandler; class ParseNode; } typedef frontend::Parser<frontend::FullParseHandler> AsmJSParser; // This function takes over parsing of a function starting with "use asm". The // return value indicates whether an error was reported which the caller should // propagate. If no error was reported, the function may still fail to validate // as asm.js. In this case, the parser.tokenStream has been advanced an // indeterminate amount and the entire function should be reparsed from the // beginning. extern MOZ_MUST_USE bool CompileAsmJS(ExclusiveContext* cx, AsmJSParser& parser, frontend::ParseNode* stmtList, bool* validated); // asm.js module/export queries: extern bool IsAsmJSModuleNative(JSNative native); extern bool IsAsmJSModule(JSFunction* fun); extern bool IsAsmJSFunction(JSFunction* fun); extern bool IsAsmJSStrictModeModuleOrFunction(JSFunction* fun); // asm.js testing natives: extern bool IsAsmJSCompilationAvailable(JSContext* cx, unsigned argc, JS::Value* vp); extern bool IsAsmJSModule(JSContext* cx, unsigned argc, JS::Value* vp); extern bool IsAsmJSModuleLoadedFromCache(JSContext* cx, unsigned argc, Value* vp); extern bool IsAsmJSFunction(JSContext* cx, unsigned argc, JS::Value* vp); // asm.js toString/toSource support: extern JSString* AsmJSFunctionToString(JSContext* cx, HandleFunction fun); extern JSString* AsmJSModuleToString(JSContext* cx, HandleFunction fun, bool addParenToLambda); // asm.js heap: extern bool IsValidAsmJSHeapLength(uint32_t length); } // namespace js #endif // asmjs_asmjs_h