2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the GNU LGPLv2.1 license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
10 #include <isl_ctx_private.h>
12 #include <isl/options.h>
14 void isl_handle_error(isl_ctx *ctx, int error, const char *msg,
15 const char *file, int line)
17 isl_ctx_set_error(ctx, error);
19 switch (isl_options_get_on_error(ctx)) {
20 case ISL_ON_ERROR_WARN:
21 fprintf(stderr, "%s:%d: %s\n", file, line, msg);
23 case ISL_ON_ERROR_CONTINUE:
25 case ISL_ON_ERROR_ABORT:
26 fprintf(stderr, "%s:%d: %s\n", file, line, msg);
32 static struct isl_options *find_nested_options(struct isl_args *args,
33 void *opt, struct isl_args *wanted)
36 struct isl_options *options;
41 for (i = 0; args->args[i].type != isl_arg_end; ++i) {
42 if (args->args[i].type != isl_arg_child)
44 options = find_nested_options(args->args[i].u.child.child,
45 *(void **)(((char *)opt) + args->args[i].offset),
54 static struct isl_options *find_nested_isl_options(struct isl_args *args,
57 return find_nested_options(args, opt, &isl_options_args);
60 void *isl_ctx_peek_options(isl_ctx *ctx, struct isl_args *args)
64 return find_nested_options(ctx->user_args, ctx->user_opt, args);
67 isl_ctx *isl_ctx_alloc_with_options(struct isl_args *args, void *user_opt)
69 struct isl_ctx *ctx = NULL;
70 struct isl_options *opt = NULL;
71 int opt_allocated = 0;
76 opt = find_nested_isl_options(args, user_opt);
78 opt = isl_options_new_with_defaults();
84 ctx = isl_calloc_type(NULL, struct isl_ctx);
88 if (isl_hash_table_init(ctx, &ctx->id_table, 0))
91 ctx->stats = isl_calloc_type(ctx, struct isl_stats);
95 ctx->user_args = args;
96 ctx->user_opt = user_opt;
97 ctx->opt_allocated = opt_allocated;
101 isl_int_init(ctx->zero);
102 isl_int_set_si(ctx->zero, 0);
104 isl_int_init(ctx->one);
105 isl_int_set_si(ctx->one, 1);
107 isl_int_init(ctx->two);
108 isl_int_set_si(ctx->two, 2);
110 isl_int_init(ctx->negone);
111 isl_int_set_si(ctx->negone, -1);
113 isl_int_init(ctx->normalize_gcd);
118 ctx->error = isl_error_none;
122 isl_args_free(args, user_opt);
124 isl_options_free(opt);
129 struct isl_ctx *isl_ctx_alloc()
131 struct isl_options *opt;
133 opt = isl_options_new_with_defaults();
135 return isl_ctx_alloc_with_options(&isl_options_args, opt);
138 void isl_ctx_ref(struct isl_ctx *ctx)
143 void isl_ctx_deref(struct isl_ctx *ctx)
145 isl_assert(ctx, ctx->ref > 0, return);
149 void isl_ctx_free(struct isl_ctx *ctx)
154 isl_die(ctx, isl_error_invalid,
155 "isl_ctx freed, but some objects still reference it",
158 isl_hash_table_clear(&ctx->id_table);
159 isl_blk_clear_cache(ctx);
160 isl_int_clear(ctx->zero);
161 isl_int_clear(ctx->one);
162 isl_int_clear(ctx->two);
163 isl_int_clear(ctx->negone);
164 isl_int_clear(ctx->normalize_gcd);
165 isl_args_free(ctx->user_args, ctx->user_opt);
166 if (ctx->opt_allocated)
172 struct isl_options *isl_ctx_options(isl_ctx *ctx)
179 enum isl_error isl_ctx_last_error(isl_ctx *ctx)
184 void isl_ctx_reset_error(isl_ctx *ctx)
186 ctx->error = isl_error_none;
189 void isl_ctx_set_error(isl_ctx *ctx, enum isl_error error)
195 void isl_ctx_abort(isl_ctx *ctx)
201 void isl_ctx_resume(isl_ctx *ctx)
207 int isl_ctx_aborted(isl_ctx *ctx)
209 return ctx ? ctx->abort : -1;
212 int isl_ctx_parse_options(isl_ctx *ctx, int argc, char **argv, unsigned flags)
216 return isl_args_parse(ctx->user_args, argc, argv, ctx->user_opt, flags);