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 ConstructData_h
30#define ConstructData_h
31
32namespace JSC {
33
34 class ArgList;
35 class ExecState;
36 class FunctionExecutable;
37 class JSObject;
38 class JSValue;
39 class ScopeChainNode;
40
41 enum ConstructType {
42 ConstructTypeNone,
43 ConstructTypeHost,
44 ConstructTypeJS
45 };
46
47 typedef JSObject* (*NativeConstructor)(ExecState*, JSObject*, const ArgList&);
48
49#ifdef QT_BUILD_SCRIPT_LIB
50 class NativeConstrWrapper
51 {
52 NativeConstructor ptr;
53 //Hack. If this variable is true and if debugger is attached at the end of
54 //operator() execution functionExit event will be created (in most cases it will be default)
55 //This variable was created because of FunctionWrapper::proxyCall method that change result
56 //on fly. Event shuld be created with original value so the method should call it itself.
57 bool callDebuggerFunctionExit;
58 public:
59 inline NativeConstrWrapper& operator=(NativeConstructor func)
60 {
61 callDebuggerFunctionExit = true;
62 ptr = func;
63 return *this;
64 }
65 inline operator NativeConstructor() const {return ptr;}
66 inline operator bool() const {return ptr;}
67
68 inline void doNotCallDebuggerFunctionExit() {callDebuggerFunctionExit = false;}
69 JSObject* operator()(ExecState*, JSObject*, const ArgList&) const;
70 };
71#endif
72
73#if defined(QT_BUILD_SCRIPT_LIB) && OS(SOLARIS)
74 struct
75#else
76 union
77#endif
78 ConstructData {
79 struct {
80#ifndef QT_BUILD_SCRIPT_LIB
81 NativeConstructor function;
82#else
83 NativeConstrWrapper function;
84#endif
85 } native;
86 struct {
87 FunctionExecutable* functionExecutable;
88 ScopeChainNode* scopeChain;
89 } js;
90 };
91
92 JSObject* construct(ExecState*, JSValue constructor, ConstructType, const ConstructData&, const ArgList&);
93
94} // namespace JSC
95
96#endif // ConstructData_h
97

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ConstructData.h