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
|
/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* 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 JSContextRef_h
#define JSContextRef_h
#include <JavaScriptCore/JSObjectRef.h>
#include <JavaScriptCore/JSValueRef.h>
#include <JavaScriptCore/WebKitAvailability.h>
#ifndef __cplusplus
#include <stdbool.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*!
@function
@abstract Creates a JavaScript context group.
@discussion A JSContextGroup associates JavaScript contexts with one another.
Contexts in the same group may share and exchange JavaScript objects. Sharing and/or exchanging
JavaScript objects between contexts in different groups will produce undefined behavior.
When objects from the same context group are used in multiple threads, explicit
synchronization is required.
@result The created JSContextGroup.
*/
JS_EXPORT JSContextGroupRef JSContextGroupCreate() AVAILABLE_IN_WEBKIT_VERSION_4_0;
/*!
@function
@abstract Retains a JavaScript context group.
@param group The JSContextGroup to retain.
@result A JSContextGroup that is the same as group.
*/
JS_EXPORT JSContextGroupRef JSContextGroupRetain(JSContextGroupRef group) AVAILABLE_IN_WEBKIT_VERSION_4_0;
/*!
@function
@abstract Releases a JavaScript context group.
@param group The JSContextGroup to release.
*/
JS_EXPORT void JSContextGroupRelease(JSContextGroupRef group) AVAILABLE_IN_WEBKIT_VERSION_4_0;
/*!
@function
@abstract Creates a global JavaScript execution context.
@discussion JSGlobalContextCreate allocates a global object and populates it with all the
built-in JavaScript objects, such as Object, Function, String, and Array.
In WebKit version 4.0 and later, the context is created in a unique context group.
Therefore, scripts may execute in it concurrently with scripts executing in other contexts.
However, you may not use values created in the context in other contexts.
@param globalObjectClass The class to use when creating the global object. Pass
NULL to use the default object class.
@result A JSGlobalContext with a global object of class globalObjectClass.
*/
JS_EXPORT JSGlobalContextRef JSGlobalContextCreate(JSClassRef globalObjectClass) AVAILABLE_WEBKIT_VERSION_3_0_AND_LATER;
/*!
@function
@abstract Creates a global JavaScript execution context in the context group provided.
@discussion JSGlobalContextCreateInGroup allocates a global object and populates it with
all the built-in JavaScript objects, such as Object, Function, String, and Array.
@param globalObjectClass The class to use when creating the global object. Pass
NULL to use the default object class.
@param group The context group to use. The created global context retains the group.
Pass NULL to create a unique group for the context.
@result A JSGlobalContext with a global object of class globalObjectClass and a context
group equal to group.
*/
JS_EXPORT JSGlobalContextRef JSGlobalContextCreateInGroup(JSContextGroupRef group, JSClassRef globalObjectClass) AVAILABLE_IN_WEBKIT_VERSION_4_0;
/*!
@function
@abstract Retains a global JavaScript execution context.
@param ctx The JSGlobalContext to retain.
@result A JSGlobalContext that is the same as ctx.
*/
JS_EXPORT JSGlobalContextRef JSGlobalContextRetain(JSGlobalContextRef ctx);
/*!
@function
@abstract Releases a global JavaScript execution context.
@param ctx The JSGlobalContext to release.
*/
JS_EXPORT void JSGlobalContextRelease(JSGlobalContextRef ctx);
/*!
@function
@abstract Gets the global object of a JavaScript execution context.
@param ctx The JSContext whose global object you want to get.
@result ctx's global object.
*/
JS_EXPORT JSObjectRef JSContextGetGlobalObject(JSContextRef ctx);
/*!
@function
@abstract Gets the context group to which a JavaScript execution context belongs.
@param ctx The JSContext whose group you want to get.
@result ctx's group.
*/
JS_EXPORT JSContextGroupRef JSContextGetGroup(JSContextRef ctx) AVAILABLE_IN_WEBKIT_VERSION_4_0;
#ifdef __cplusplus
}
#endif
#endif /* JSContextRef_h */
|
