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
|
/*
* Copyright 2008-2009 Katholieke Universiteit Leuven
*
* Use of this software is governed by the GNU LGPLv2.1 license
*
* Written by Sven Verdoolaege, K.U.Leuven, Departement
* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
*/
#include "isl_ctx.h"
#include "isl_vec.h"
static struct isl_options *find_nested_options(struct isl_arg *arg,
void *opt, struct isl_arg *wanted)
{
int i;
struct isl_options *options;
if (arg == wanted)
return opt;
for (i = 0; arg[i].type != isl_arg_end; ++i) {
if (arg[i].type != isl_arg_child)
continue;
options = find_nested_options(arg[i].u.child.child,
*(void **)(((char *)opt) + arg->offset), wanted);
if (options)
return options;
}
return NULL;
}
static struct isl_options *find_nested_isl_options(struct isl_arg *arg,
void *opt)
{
return find_nested_options(arg, opt, isl_options_arg);
}
void *isl_ctx_peek_options(isl_ctx *ctx, struct isl_arg *arg)
{
if (!ctx)
return NULL;
return find_nested_options(ctx->user_arg, ctx->user_opt, arg);
}
isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
{
struct isl_ctx *ctx = NULL;
struct isl_options *opt = NULL;
int opt_allocated = 0;
if (!user_opt)
return NULL;
opt = find_nested_isl_options(arg, user_opt);
if (!opt) {
opt = isl_options_new_with_defaults();
if (!opt)
goto error;
opt_allocated = 1;
}
ctx = isl_calloc_type(NULL, struct isl_ctx);
if (!ctx)
goto error;
if (isl_hash_table_init(ctx, &ctx->name_hash, 0))
goto error;
ctx->stats = isl_calloc_type(ctx, struct isl_stats);
if (!ctx->stats)
goto error;
ctx->user_arg = arg;
ctx->user_opt = user_opt;
ctx->opt_allocated = opt_allocated;
ctx->opt = opt;
ctx->ref = 0;
isl_int_init(ctx->zero);
isl_int_set_si(ctx->zero, 0);
isl_int_init(ctx->one);
isl_int_set_si(ctx->one, 1);
isl_int_init(ctx->two);
isl_int_set_si(ctx->two, 2);
isl_int_init(ctx->negone);
isl_int_set_si(ctx->negone, -1);
isl_int_init(ctx->normalize_gcd);
ctx->n_cached = 0;
ctx->error = isl_error_none;
return ctx;
error:
isl_arg_free(arg, user_opt);
if (opt_allocated)
isl_options_free(opt);
free(ctx);
return NULL;
}
struct isl_ctx *isl_ctx_alloc()
{
struct isl_options *opt;
opt = isl_options_new_with_defaults();
return isl_ctx_alloc_with_options(isl_options_arg, opt);
}
void isl_ctx_ref(struct isl_ctx *ctx)
{
ctx->ref++;
}
void isl_ctx_deref(struct isl_ctx *ctx)
{
isl_assert(ctx, ctx->ref > 0, return);
ctx->ref--;
}
void isl_ctx_free(struct isl_ctx *ctx)
{
if (!ctx)
return;
isl_assert(ctx, ctx->ref == 0, return);
isl_hash_table_clear(&ctx->name_hash);
isl_blk_clear_cache(ctx);
isl_int_clear(ctx->zero);
isl_int_clear(ctx->one);
isl_int_clear(ctx->two);
isl_int_clear(ctx->negone);
isl_int_clear(ctx->normalize_gcd);
isl_arg_free(ctx->user_arg, ctx->user_opt);
if (ctx->opt_allocated)
free(ctx->opt);
free(ctx->stats);
free(ctx);
}
struct isl_options *isl_ctx_options(isl_ctx *ctx)
{
if (!ctx)
return NULL;
return ctx->opt;
}
enum isl_error isl_ctx_last_error(isl_ctx *ctx)
{
return ctx->error;
}
void isl_ctx_reset_error(isl_ctx *ctx)
{
ctx->error = isl_error_none;
}
|
