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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_JSFunction_inl_h
#define vm_JSFunction_inl_h
#include "vm/JSFunction.h"
#include "gc/Allocator.h"
#include "gc/GCProbes.h"
#include "vm/WellKnownAtom.h" // js_*_str
#include "vm/JSObject-inl.h"
#include "vm/NativeObject-inl.h"
namespace js {
inline const char* GetFunctionNameBytes(JSContext* cx, JSFunction* fun,
UniqueChars* bytes) {
if (JSAtom* name = fun->explicitName()) {
*bytes = StringToNewUTF8CharsZ(cx, *name);
return bytes->get();
}
return js_anonymous_str;
}
} /* namespace js */
/* static */
inline JSFunction* JSFunction::create(JSContext* cx, js::gc::AllocKind kind,
js::gc::InitialHeap heap,
js::Handle<js::SharedShape*> shape) {
MOZ_ASSERT(kind == js::gc::AllocKind::FUNCTION ||
kind == js::gc::AllocKind::FUNCTION_EXTENDED);
debugCheckNewObject(shape, kind, heap);
const JSClass* clasp = shape->getObjectClass();
MOZ_ASSERT(clasp->isNativeObject());
MOZ_ASSERT(clasp->isJSFunction());
MOZ_ASSERT_IF(kind == js::gc::AllocKind::FUNCTION,
clasp == js::FunctionClassPtr);
MOZ_ASSERT_IF(kind == js::gc::AllocKind::FUNCTION_EXTENDED,
clasp == js::FunctionExtendedClassPtr);
static constexpr size_t NumDynamicSlots = 0;
MOZ_ASSERT(calculateDynamicSlots(shape->numFixedSlots(), shape->slotSpan(),
clasp) == NumDynamicSlots);
NativeObject* nobj =
cx->newCell<NativeObject>(kind, NumDynamicSlots, heap, clasp);
if (!nobj) {
return nullptr;
}
nobj->initShape(shape);
nobj->initEmptyDynamicSlots();
nobj->setEmptyElements();
JSFunction* fun = static_cast<JSFunction*>(nobj);
fun->initFixedSlots(JSCLASS_RESERVED_SLOTS(clasp));
fun->initFlagsAndArgCount();
fun->initFixedSlot(NativeJitInfoOrInterpretedScriptSlot,
JS::PrivateValue(nullptr));
if (kind == js::gc::AllocKind::FUNCTION_EXTENDED) {
fun->setFlags(FunctionFlags::EXTENDED);
}
MOZ_ASSERT(!clasp->shouldDelayMetadataBuilder(),
"Function has no extra data hanging off it, that wouldn't be "
"allocated at this point, that would require delaying the "
"building of metadata for it");
fun = SetNewObjectMetadata(cx, fun);
js::gc::gcprobes::CreateObject(fun);
return fun;
}
#endif /* vm_JSFunction_inl_h */
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