-
Notifications
You must be signed in to change notification settings - Fork 138
/
packfilerawsegment.pmc
265 lines (177 loc) · 5.57 KB
/
packfilerawsegment.pmc
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
/*
Copyright (C) 2001-2011, Parrot Foundation.
=head1 NAME
src/pmc/packfilerawsegment.pmc - PackfileRawSegment PMC
=head1 DESCRIPTION
This class implements a PackfileRawSegment object, a low level view of a
segment that just splits it into an array of integers.
See packfile.pmc for the toplevel Packfile interface, see packfilesegment.pmc
for the list of common methods every packfile segment pmc must implement; see
PDD13 for the design spec.
=head2 Methods
=over 4
=cut
*/
/* HEADERIZER HFILE: none */
/* HEADERIZER BEGIN: static */
/* HEADERIZER END: static */
pmclass PackfileRawSegment auto_attrs extends PackfileSegment {
/* Type of segment */
ATTR INTVAL type;
/* ResizableIntegerArray of opcodes */
ATTR PMC *opcodes;
/*
=item C<init>
Create empty PackfileRawSegment.
=cut
*/
VTABLE void init() {
Parrot_PackfileRawSegment_attributes * const attrs =
PMC_data_typed(SELF, Parrot_PackfileRawSegment_attributes*);
attrs->opcodes = Parrot_pmc_new(INTERP, enum_class_ResizableIntegerArray);
attrs->type = PF_BYTEC_SEG;
PObj_custom_mark_SET(SELF);
}
/*
=item C<void mark()>
Marks the object as live.
=cut
*/
VTABLE void mark() {
Parrot_PackfileRawSegment_attributes * const attrs =
PARROT_PACKFILERAWSEGMENT(SELF);
Parrot_gc_mark_PMC_alive(INTERP, attrs->opcodes);
SUPER();
}
/*
=item C<set_pointer>
Initialize PackfileRawSegment from PackFile_Segment
=cut
*/
VTABLE void set_pointer(void * pointer) {
const PackFile_Segment * const pfseg =
(const PackFile_Segment *)pointer;
Parrot_PackfileRawSegment_attributes * const attrs =
PARROT_PACKFILERAWSEGMENT(SELF);
PMC * const opcodes = attrs->opcodes;
/* Preserve type of unpacked segment */
attrs->type = pfseg->type;
if (pfseg->size) {
size_t i;
/* copy data to own array */
VTABLE_set_integer_native(INTERP, opcodes, pfseg->size);
/* Not very efficient... */
for (i = 0; i < pfseg->size; ++i) {
VTABLE_set_integer_keyed_int(INTERP, opcodes, i, pfseg->data[i]);
}
}
}
/*
=item C<void *get_pointer()>
=cut
*/
VTABLE void *get_pointer() {
PackFile_Segment * const pfseg =
(PackFile_Segment*)mem_gc_allocate_zeroed_typed(INTERP, PackFile_ByteCode);
const Parrot_PackfileRawSegment_attributes * const attrs =
PARROT_PACKFILERAWSEGMENT(SELF);
PMC * const opcodes = attrs->opcodes;
size_t i;
pfseg->type = attrs->type;
pfseg->size = VTABLE_get_integer(INTERP, opcodes);
pfseg->data = mem_gc_allocate_n_typed(INTERP, pfseg->size, opcode_t);
/* Not very efficient... */
for (i = 0; i < pfseg->size; ++i) {
pfseg->data[i] = VTABLE_get_integer_keyed_int(INTERP, opcodes, i);
}
return pfseg;
}
/*
=item C<INTVAL elements()>
Get the number of elements in the array.
=cut
*/
VTABLE INTVAL elements() {
return VTABLE_elements(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes);
}
VTABLE INTVAL get_integer() {
return VTABLE_elements(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes);
}
VTABLE FLOATVAL get_number() {
return VTABLE_elements(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes);
}
/*
=item C<INTVAL get_integer_keyed_int(INTVAL key)>
=item C<INTVAL get_pmc_keyed_int(INTVAL key)>
=item C<INTVAL get_pmc_keyed(PMC *key)>
Fetch an integer's worth of data from the segment.
=cut
*/
VTABLE INTVAL get_integer_keyed_int(INTVAL key) {
return VTABLE_get_integer_keyed_int(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes, key);
}
VTABLE PMC *get_pmc_keyed_int(INTVAL index) {
return Parrot_pmc_box_integer(INTERP, STATICSELF.get_integer_keyed_int(index));
}
VTABLE PMC *get_pmc_keyed(PMC *key) {
return STATICSELF.get_pmc_keyed_int(VTABLE_get_integer(INTERP, key));
}
/*
=item C<void set_integer_keyed_int(INTVAL key, INTVAL value)>
Set an integer's worth of data in the segment.
=cut
*/
VTABLE void set_integer_keyed_int(INTVAL key, INTVAL value) {
VTABLE_set_integer_keyed_int(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes, key, value);
}
VTABLE void set_pmc_keyed(PMC *key, PMC *value) {
SELF.set_integer_keyed_int(
VTABLE_get_integer(INTERP, key),
VTABLE_get_integer(INTERP, value));
}
/*
=item C<void push_integer(INTVAL value)>
Append opcode to segment
=cut
*/
VTABLE void push_integer(INTVAL value) {
VTABLE_push_integer(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes, value);
}
VTABLE void push_pmc(PMC *value) {
VTABLE_push_integer(INTERP,
PARROT_PACKFILERAWSEGMENT(SELF)->opcodes,
VTABLE_get_integer(INTERP, value));
}
/*
=item C<METHOD type()>
Set of get segment type.
=cut
TODO: Don't allow create Directory, Annotations, etc segments.
*/
METHOD type(INTVAL type :optional, INTVAL got_type :opt_flag) {
Parrot_PackfileRawSegment_attributes * const attrs =
PARROT_PACKFILERAWSEGMENT(SELF);
INTVAL res;
if (got_type) {
attrs->type = type;
}
res = attrs->type;
RETURN(INTVAL res);
}
}
/*
=back
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4 cinoptions='\:2=2' :
*/