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 | |
32 | namespace 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 | |