1/*
2 * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSNativeStdFunction.h"
28
29#include "JSCInlines.h"
30#include "JSFunction.h"
31#include "JSFunctionInlines.h"
32#include "JSObject.h"
33#include "NativeStdFunctionCell.h"
34#include "VM.h"
35
36namespace JSC {
37
38const ClassInfo JSNativeStdFunction::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSNativeStdFunction) };
39
40JSNativeStdFunction::JSNativeStdFunction(VM& vm, JSGlobalObject* globalObject, Structure* structure)
41 : Base(vm, globalObject, structure)
42{
43}
44
45void JSNativeStdFunction::visitChildren(JSCell* cell, SlotVisitor& visitor)
46{
47 JSNativeStdFunction* thisObject = jsCast<JSNativeStdFunction*>(cell);
48 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
49 Base::visitChildren(thisObject, visitor);
50 visitor.append(thisObject->m_functionCell);
51}
52
53void JSNativeStdFunction::finishCreation(VM& vm, NativeExecutable* executable, int length, const String& name, NativeStdFunctionCell* functionCell)
54{
55 Base::finishCreation(vm, executable, length, name);
56 ASSERT(inherits(vm, info()));
57 m_functionCell.set(vm, this, functionCell);
58}
59
60static EncodedJSValue JSC_HOST_CALL runStdFunction(ExecState* state)
61{
62 JSNativeStdFunction* function = jsCast<JSNativeStdFunction*>(state->jsCallee());
63 ASSERT(function);
64 return function->nativeStdFunctionCell()->function()(state);
65}
66
67JSNativeStdFunction* JSNativeStdFunction::create(VM& vm, JSGlobalObject* globalObject, int length, const String& name, NativeStdFunction&& nativeStdFunction, Intrinsic intrinsic, NativeFunction nativeConstructor)
68{
69 NativeExecutable* executable = vm.getHostFunction(runStdFunction, intrinsic, nativeConstructor, nullptr, name);
70 NativeStdFunctionCell* functionCell = NativeStdFunctionCell::create(vm, WTFMove(nativeStdFunction));
71 Structure* structure = globalObject->nativeStdFunctionStructure();
72 JSNativeStdFunction* function = new (NotNull, allocateCell<JSNativeStdFunction>(vm.heap)) JSNativeStdFunction(vm, globalObject, structure);
73 function->finishCreation(vm, executable, length, name, functionCell);
74 return function;
75}
76
77} // namespace JSC
78