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/* -*- 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 vm_SelfHosting_h_
#define vm_SelfHosting_h_
#include "jsapi.h"
#include "NamespaceImports.h"
#include "vm/Stack.h"
namespace js {
/*
* Check whether the given JSFunction is a self-hosted function whose
* self-hosted name is the given name.
*/
bool IsSelfHostedFunctionWithName(JSFunction* fun, JSAtom* name);
/*
* Returns the name of the cloned function's binding in the self-hosted global.
*
* This returns a non-null value only when this is a top level function
* declaration in the self-hosted global.
*/
PropertyName* GetClonedSelfHostedFunctionName(const JSFunction* fun);
/*
* Same as GetClonedSelfHostedFunctionName, but `fun` is guaranteed to be an
* extended function.
*
* This function is supposed to be used off-thread, especially the JIT
* compilation thread, that cannot access JSFunction.flags_, because of
* a race condition.
*
* See Also: WrappedFunction.isExtended_
*/
PropertyName* GetClonedSelfHostedFunctionNameOffMainThread(JSFunction* fun);
constexpr char ExtendedUnclonedSelfHostedFunctionNamePrefix = '$';
/*
* Uncloned self-hosted functions with `$` prefix are allocated as
* extended function, to store the original name in `_SetCanonicalName`.
*/
bool IsExtendedUnclonedSelfHostedFunctionName(JSAtom* name);
bool IsCallSelfHostedNonGenericMethod(NativeImpl impl);
bool ReportIncompatibleSelfHostedMethod(JSContext* cx, const CallArgs& args);
/* Get the compile options used when compiling self hosted code. */
void FillSelfHostingCompileOptions(JS::CompileOptions& options);
#ifdef DEBUG
/*
* Calls a self-hosted function by name.
*
* This function is only available in debug mode, because it always atomizes
* its |name| parameter. Use the alternative function below in non-debug code.
*/
bool CallSelfHostedFunction(JSContext* cx, char const* name, HandleValue thisv,
const AnyInvokeArgs& args, MutableHandleValue rval);
#endif
/*
* Calls a self-hosted function by name.
*/
bool CallSelfHostedFunction(JSContext* cx, HandlePropertyName name,
HandleValue thisv, const AnyInvokeArgs& args,
MutableHandleValue rval);
bool intrinsic_NewArrayIterator(JSContext* cx, unsigned argc, JS::Value* vp);
bool intrinsic_NewStringIterator(JSContext* cx, unsigned argc, JS::Value* vp);
bool intrinsic_NewRegExpStringIterator(JSContext* cx, unsigned argc,
JS::Value* vp);
} /* namespace js */
#endif /* vm_SelfHosting_h_ */