1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BridgeJSC_h
#define BridgeJSC_h
#include "Bridge.h"
#include <runtime/JSString.h>
#include <runtime/Operations.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace JSC {
class ArgList;
class Identifier;
class JSGlobalObject;
class PropertyNameArray;
class RuntimeMethod;
namespace Bindings {
class Instance;
class Method;
class RootObject;
class RuntimeObject;
class Field {
public:
virtual JSValue valueFromInstance(ExecState*, const Instance*) const = 0;
virtual void setValueToInstance(ExecState*, const Instance*, JSValue) const = 0;
virtual ~Field() { }
};
class Class {
WTF_MAKE_NONCOPYABLE(Class); WTF_MAKE_FAST_ALLOCATED;
public:
Class() { }
virtual Method* methodNamed(PropertyName, Instance*) const = 0;
virtual Field* fieldNamed(PropertyName, Instance*) const = 0;
virtual JSValue fallbackObject(ExecState*, Instance*, PropertyName) { return jsUndefined(); }
virtual ~Class() { }
};
class Instance : public RefCounted<Instance> {
public:
Instance(PassRefPtr<RootObject>);
// These functions are called before and after the main entry points into
// the native implementations. They can be used to establish and cleanup
// any needed state.
void begin();
void end();
virtual Class* getClass() const = 0;
JSObject* createRuntimeObject(ExecState*);
void willInvalidateRuntimeObject();
// Returns false if the value was not set successfully.
virtual bool setValueOfUndefinedField(ExecState*, PropertyName, JSValue) { return false; }
virtual JSValue getMethod(ExecState*, PropertyName) = 0;
virtual JSValue invokeMethod(ExecState*, RuntimeMethod* method) = 0;
virtual bool supportsInvokeDefaultMethod() const { return false; }
virtual JSValue invokeDefaultMethod(ExecState*) { return jsUndefined(); }
virtual bool supportsConstruct() const { return false; }
virtual JSValue invokeConstruct(ExecState*, const ArgList&) { return JSValue(); }
virtual void getPropertyNames(ExecState*, PropertyNameArray&) { }
virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const = 0;
virtual JSValue valueOf(ExecState* exec) const = 0;
RootObject* rootObject() const;
virtual ~Instance();
virtual bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&) { return false; }
virtual bool getOwnPropertyDescriptor(JSObject*, ExecState*, PropertyName, PropertyDescriptor&) { return false; }
virtual void put(JSObject*, ExecState*, PropertyName, JSValue, PutPropertySlot&) { }
protected:
virtual void virtualBegin() { }
virtual void virtualEnd() { }
virtual RuntimeObject* newRuntimeObject(ExecState*);
RefPtr<RootObject> m_rootObject;
private:
Weak<RuntimeObject> m_runtimeObject;
};
class Array {
WTF_MAKE_NONCOPYABLE(Array);
public:
Array(PassRefPtr<RootObject>);
virtual ~Array();
virtual void setValueAt(ExecState*, unsigned index, JSValue) const = 0;
virtual JSValue valueAt(ExecState*, unsigned index) const = 0;
virtual unsigned int getLength() const = 0;
protected:
RefPtr<RootObject> m_rootObject;
};
const char* signatureForParameters(const ArgList&);
typedef HashMap<RefPtr<StringImpl>, Method*> MethodMap;
typedef HashMap<RefPtr<StringImpl>, Field*> FieldMap;
} // namespace Bindings
} // namespace JSC
#endif
|
