source: webkit/trunk/JavaScriptCore/runtime/CallData.h@ 45609

Last change on this file since 45609 was 43372, checked in by [email protected], 16 years ago

Improve native call performance

Reviewed by Gavin Barraclough.

Fix the windows build by adding calling convention declarations everywhere,
chose fastcall as that seemed most sensible given we were having to declare
the convention explicitly. In addition switched to fastcall on mac in the
deluded belief that documented fastcall behavior on windows would match
actual its actual behavior.

File size: 2.3 KB
Line 
1/*
2 * Copyright (C) 2008 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef CallData_h
30#define CallData_h
31
32#include "NativeFunctionWrapper.h"
33
34namespace JSC {
35
36 class ArgList;
37 class ExecState;
38 class FunctionBodyNode;
39 class JSObject;
40 class JSValue;
41 class ScopeChainNode;
42
43 enum CallType {
44 CallTypeNone,
45 CallTypeHost,
46 CallTypeJS
47 };
48
49 typedef JSValue (JSC_HOST_CALL *NativeFunction)(ExecState*, JSObject*, JSValue thisValue, const ArgList&);
50
51 union CallData {
52 struct {
53 NativeFunction function;
54 } native;
55 struct {
56 FunctionBodyNode* functionBody;
57 ScopeChainNode* scopeChain;
58 } js;
59 };
60
61 JSValue call(ExecState*, JSValue functionObject, CallType, const CallData&, JSValue thisValue, const ArgList&);
62
63} // namespace JSC
64
65#endif // CallData_h
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