1/*
2 * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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#ifndef APICast_h
27#define APICast_h
28
29#include "JSAPIValueWrapper.h"
30#include "JSGlobalObject.h"
31#include "JSValue.h"
32#include <wtf/Platform.h>
33#include <wtf/UnusedParam.h>
34
35namespace JSC {
36 class ExecState;
37 class PropertyNameArray;
38 class JSGlobalData;
39 class JSObject;
40 class JSValue;
41}
42
43typedef const struct OpaqueJSContextGroup* JSContextGroupRef;
44typedef const struct OpaqueJSContext* JSContextRef;
45typedef struct OpaqueJSContext* JSGlobalContextRef;
46typedef struct OpaqueJSPropertyNameAccumulator* JSPropertyNameAccumulatorRef;
47typedef const struct OpaqueJSValue* JSValueRef;
48typedef struct OpaqueJSValue* JSObjectRef;
49
50/* Opaque typing convenience methods */
51
52inline JSC::ExecState* toJS(JSContextRef c)
53{
54 ASSERT(c);
55 return reinterpret_cast<JSC::ExecState*>(const_cast<OpaqueJSContext*>(c));
56}
57
58inline JSC::ExecState* toJS(JSGlobalContextRef c)
59{
60 ASSERT(c);
61 return reinterpret_cast<JSC::ExecState*>(c);
62}
63
64inline JSC::JSValue toJS(JSC::ExecState* exec, JSValueRef v)
65{
66 ASSERT_UNUSED(exec, exec);
67 ASSERT(v);
68#if USE(JSVALUE32_64)
69 JSC::JSCell* jsCell = reinterpret_cast<JSC::JSCell*>(const_cast<OpaqueJSValue*>(v));
70 if (!jsCell)
71 return JSC::JSValue();
72 if (jsCell->isAPIValueWrapper())
73 return static_cast<JSC::JSAPIValueWrapper*>(jsCell)->value();
74 return jsCell;
75#else
76 return JSC::JSValue::decode(ptr: reinterpret_cast<JSC::EncodedJSValue>(const_cast<OpaqueJSValue*>(v)));
77#endif
78}
79
80inline JSC::JSValue toJSForGC(JSC::ExecState* exec, JSValueRef v)
81{
82 ASSERT_UNUSED(exec, exec);
83 ASSERT(v);
84#if USE(JSVALUE32_64)
85 JSC::JSCell* jsCell = reinterpret_cast<JSC::JSCell*>(const_cast<OpaqueJSValue*>(v));
86 if (!jsCell)
87 return JSC::JSValue();
88 return jsCell;
89#else
90 return JSC::JSValue::decode(ptr: reinterpret_cast<JSC::EncodedJSValue>(const_cast<OpaqueJSValue*>(v)));
91#endif
92}
93
94inline JSC::JSObject* toJS(JSObjectRef o)
95{
96 return reinterpret_cast<JSC::JSObject*>(o);
97}
98
99inline JSC::PropertyNameArray* toJS(JSPropertyNameAccumulatorRef a)
100{
101 return reinterpret_cast<JSC::PropertyNameArray*>(a);
102}
103
104inline JSC::JSGlobalData* toJS(JSContextGroupRef g)
105{
106 return reinterpret_cast<JSC::JSGlobalData*>(const_cast<OpaqueJSContextGroup*>(g));
107}
108
109inline JSValueRef toRef(JSC::ExecState* exec, JSC::JSValue v)
110{
111#if USE(JSVALUE32_64)
112 if (!v)
113 return 0;
114 if (!v.isCell())
115 return reinterpret_cast<JSValueRef>(asCell(JSC::jsAPIValueWrapper(exec, v)));
116 return reinterpret_cast<JSValueRef>(asCell(v));
117#else
118 UNUSED_PARAM(exec);
119 return reinterpret_cast<JSValueRef>(JSC::JSValue::encode(value: v));
120#endif
121}
122
123inline JSObjectRef toRef(JSC::JSObject* o)
124{
125 return reinterpret_cast<JSObjectRef>(o);
126}
127
128inline JSObjectRef toRef(const JSC::JSObject* o)
129{
130 return reinterpret_cast<JSObjectRef>(const_cast<JSC::JSObject*>(o));
131}
132
133inline JSContextRef toRef(JSC::ExecState* e)
134{
135 return reinterpret_cast<JSContextRef>(e);
136}
137
138inline JSGlobalContextRef toGlobalRef(JSC::ExecState* e)
139{
140 ASSERT(e == e->lexicalGlobalObject()->globalExec());
141 return reinterpret_cast<JSGlobalContextRef>(e);
142}
143
144inline JSPropertyNameAccumulatorRef toRef(JSC::PropertyNameArray* l)
145{
146 return reinterpret_cast<JSPropertyNameAccumulatorRef>(l);
147}
148
149inline JSContextGroupRef toRef(JSC::JSGlobalData* g)
150{
151 return reinterpret_cast<JSContextGroupRef>(g);
152}
153
154#endif // APICast_h
155

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/API/APICast.h