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comparison dwt/internal/objc/runtime.d @ 0:380af2bdd8e5

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author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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children 8b48be5454ce
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-1:000000000000 0:380af2bdd8e5
1 /**
2 * Copyright: Copyright (c) 2008 Jacob Carlborg. All rights reserved.
3 * Authors: Jacob Carlborg
4 * Version: Initial created: 2008
5 * License: $(LINK2 http://opensource.org/licenses/bsd-license.php, BSD Style)
6 *
7 */
8 module dwt.internal.objc.runtime;
9
10 import tango.stdc.stringz : fromStringz, toStringz;
11
12 import dwt.dwthelper.utils : string;
13 static import dwt.internal.objc.bindings;
14
15 alias objc_ivar* Ivar;
16 alias objc_method* Method;
17 alias objc_object Protocol;
18
19 alias char* SEL;
20 alias objc_class* Class;
21 alias objc_object* id;
22
23 alias extern (C) id function(id, SEL, ...) IMP;
24
25 struct objc_object
26 {
27 Class isa;
28 }
29
30 struct objc_super
31 {
32 id receiver;
33 Class clazz;
34 }
35
36 struct objc_class
37 {
38 Class isa;
39 Class super_class;
40 const char* name;
41 int versionn;
42 int info;
43 int instance_size;
44 objc_ivar_list* ivars;
45 objc_method_list** methodLists;
46 objc_cache* cache;
47 objc_protocol_list* protocols;
48 }
49
50 struct objc_ivar
51 {
52 char* ivar_name;
53 char* ivar_type;
54 int ivar_offset;
55
56 version (X86_64)
57 int space;
58 }
59
60 struct objc_ivar_list
61 {
62 int ivar_count;
63
64 version (X86_64)
65 int space;
66
67 /* variable length structure */
68 objc_ivar ivar_list[1];
69 }
70
71 struct objc_method
72 {
73 SEL method_name;
74 char* method_types;
75 IMP method_imp;
76 }
77
78 struct objc_method_list
79 {
80 objc_method_list* obsolete;
81
82 int method_count;
83
84 version (X86_64)
85 int space;
86
87 /* variable length structure */
88 objc_method method_list[1];
89 }
90
91 struct objc_cache
92 {
93 uint mask /* total = mask + 1 */;
94 uint occupied;
95 Method buckets[1];
96 }
97
98 struct objc_protocol_list
99 {
100 objc_protocol_list* next;
101 long count;
102 Protocol* list[1];
103 }
104
105 template Runtime ()
106 {
107 alias dwt.internal.objc.bindings.objc_msgSendSuper objc_msgSendSuper;
108 alias dwt.internal.objc.bindings.objc_registerClassPair objc_registerClassPair;
109 alias dwt.internal.objc.bindings.objc_msgSend objc_msgSend;
110 alias dwt.internal.objc.bindings.objc_msgSend_fpret objc_msgSend_fpret;
111 alias dwt.internal.objc.bindings.objc_msgSend_stret objc_msgSend_stret;
112
113 bool class_addIvar (Class cls, string name, size_t size, byte alignment, string types)
114 {
115 return dwt.internal.objc.bindings.class_addIvar(cls, name.toStringz(), size, alignment, types.toStringz());
116 }
117
118 bool class_addMethod (Class cls, SEL name, IMP imp, string types)
119 {
120 return dwt.internal.objc.bindings.class_addMethod(cls, name, imp, types.toStringz());
121 }
122
123 Class objc_allocateClassPair (Class superclass, string name, size_t extraBytes)
124 {
125 return dwt.internal.objc.bindings.objc_allocateClassPair(superclass, name.toStringz(), extraBytes);
126 }
127
128 id objc_getClass (string name)
129 {
130 return dwt.internal.objc.bindings.objc_getClass(name.toStringz());
131 }
132
133 id objc_lookUpClass (string name)
134 {
135 return dwt.internal.objc.bindings.objc_lookUpClass(name.toStringz());
136 }
137
138 string object_getClassName (id obj)
139 {
140 return fromStringz(dwt.internal.objc.bindings.object_getClassName(obj));
141 }
142
143 Ivar object_getInstanceVariable (id obj, string name, void** outValue)
144 {
145 return dwt.internal.objc.bindings.object_getInstanceVariable(obj, name.toStringz(), outValue);
146 }
147
148 Ivar object_setInstanceVariable (id obj, string name, void* value)
149 {
150 return dwt.internal.objc.bindings.object_setInstanceVariable(obj, name.toStringz(), value);
151 }
152
153 string sel_registerName (string str)
154 {
155 return fromStringz(dwt.internal.objc.bindings.sel_registerName(str.toStringz()));
156 }
157 }