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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* Copyright 2014 Mozilla Foundation
* Copyright 2023 Moonchild Productions
*
* 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.
[[nodiscard]] extern 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);
extern bool
InstantiateAsmJS(JSContext* cx, unsigned argc, JS::Value* vp);
// 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 isToSource);
// asm.js heap:
extern bool
IsValidAsmJSHeapLength(uint32_t length);
} // namespace js
#endif // asmjs_asmjs_h
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