forked from bonzini/smalltalk
-
Notifications
You must be signed in to change notification settings - Fork 0
/
cobjects.st
193 lines (160 loc) · 4.63 KB
/
cobjects.st
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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
"======================================================================
|
| Test CObject operations
|
|
======================================================================"
"======================================================================
|
| Copyright (C) 2002, 2005, 2007, 2008 Free Software Foundation.
| Written by Paolo Bonzini
|
| This file is part of GNU Smalltalk.
|
| GNU Smalltalk is free software; you can redistribute it and/or modify it
| under the terms of the GNU General Public License as published by the Free
| Software Foundation; either version 2, or (at your option) any later version.
|
| GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
| details.
|
| You should have received a copy of the GNU General Public License along with
| GNU Smalltalk; see the file COPYING. If not, write to the Free Software
| Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
======================================================================"
Eval [
| ca buf |
ca := (CStringType arrayType: 1) new.
buf := (CCharType arrayType: 10) new.
buf at: 0 put: $a.
buf at: 1 put: $s.
buf at: 2 put: $d.
buf at: 3 put: 0 asCharacter.
ca at: 0 put: buf.
^ca at: 0
]
Eval [
| ca |
ca := (CStringType arrayType: 1) new.
ca at: 0 put: (CString value: 'asd').
^ca at: 0
]
Eval [ Smalltalk at: #CA put: nil ]
Eval [
CA := (CStringType arrayType: 2) new.
CA at: 0 put: (CString value: 'asd').
CA at: 1 put: (CString value: 'dsa')
]
Eval [ CA at: 0 ]
Eval [ CA at: 1 ]
Eval [ (CA addressAt: 0) class ]
Eval [ (CA addressAt: 0) value ]
Eval [ (CA addressAt: 1) value ]
Eval [ (CA + 1) class ]
Eval [ (CA + 1) at: -1 ]
Eval [ (CA + 1) at: 0 ]
Eval [ (CA + 1) - CA ]
Eval [ Smalltalk at: #CP put: nil ]
Eval [
CP := CStringType ptrType new.
CP value: CA.
CP value at: 0
]
Eval [ CP value at: 1 ]
Eval [ (CP value addressAt: 0) class ]
Eval [ (CP value addressAt: 0) value ]
Eval [ (CP value addressAt: 1) value ]
Eval [ (CP value + 1) class ]
Eval [ (CP value + 1) at: -1 ]
Eval [ (CP value + 1) at: 0 ]
Eval [ (CP value + 1) - CA ]
Eval [ (CPtrCType elementType: #int) new value ]
SmallInteger extend [
testAsync [
"Asynchronous vs. synchronous actually matters only when the function
calls back to Smalltalk. But otherwise, we have no coverage of how
the asyncCCall pragma is compiled."
<asyncCCall: 'marli' args: #(#self)>
]
]
Eval [ 3 testAsync ]
Object extend [
testCallin: aCallback [
<cCall: 'testCallin' returning: #void args: #(#selfSmalltalk #cObject)>
]
testCString: cString [
<cCall: 'testCString' returning: #void args: #(#cObject)>
]
testCObjectPtr: cObject [
<cCall: 'testCObjectPtr' returning: #void args: #(#cObjectPtr)>
]
]
Eval [ true testCallin: (CCallbackDescriptor for: [ :x | x printNl. 3 ]
returning: #int withArgs: #(#string)) ]
Eval [ nil testCString: (CString value: 'this is a test') ]
Eval [
cObject := CCharType new.
nil testCObjectPtr: cObject.
^cObject asString
]
Eval [
CStruct subclass: #StructB.
(CStruct subclass: #StructC) declaration: #((#b (#ptr #StructB))).
^StructC new b elementType cObjectType
]
Eval [
(CStruct subclass: #StructD) declaration: #((#b (#ptr #{StructB}))).
^StructD new b elementType cObjectType
]
"test some GCed CObjects."
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cObject storage size printNl.
cObject at: 1 put: 16r1111.
cObject at: 2 put: 16r2222.
cObject decr.
(cObject at: 2) printNl.
(cObject at: 3) printNl.
cObject at: 4 put: 16r3333.
cObject storage printNl.
cObject at: 5 put: 16rDEAD.
]
"test partly out of bound accesses"
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cObject adjPtrBy: 7.
cObject at: -4
]
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cObject adjPtrBy: 7.
cObject at: 0
]
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cIntObject := (cObject + 2) castTo: CIntType.
cIntObject value: 16r11111111.
(cObject at: 2) printNl.
cIntObject at: 1
]
Eval [
cObject := CCharType gcNew.
nil testCObjectPtr: cObject.
^cObject isAbsolute "must be true"
]
CStruct subclass: A [ <declaration: #((#a #int) (#b #char))> ]
Eval [
cObj := A gcNew.
cObj incr.
cObj a printNl.
cObj a value
]
Eval [
cObj := A gcNew.
cObj b value: $A.
cObj storage printNl
]
" ### need a lot more!"