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 static struct isl_options *find_nested_options(struct isl_args *args,
15 void *opt, struct isl_args *wanted)
18 struct isl_options *options;
23 for (i = 0; args->args[i].type != isl_arg_end; ++i) {
24 if (args->args[i].type != isl_arg_child)
26 options = find_nested_options(args->args[i].u.child.child,
27 *(void **)(((char *)opt) + args->args[i].offset),
36 static struct isl_options *find_nested_isl_options(struct isl_args *args,
39 return find_nested_options(args, opt, &isl_options_args);
42 void *isl_ctx_peek_options(isl_ctx *ctx, struct isl_args *args)
46 return find_nested_options(ctx->user_args, ctx->user_opt, args);
49 isl_ctx *isl_ctx_alloc_with_options(struct isl_args *args, void *user_opt)
51 struct isl_ctx *ctx = NULL;
52 struct isl_options *opt = NULL;
53 int opt_allocated = 0;
58 opt = find_nested_isl_options(args, user_opt);
60 opt = isl_options_new_with_defaults();
66 ctx = isl_calloc_type(NULL, struct isl_ctx);
70 if (isl_hash_table_init(ctx, &ctx->id_table, 0))
73 ctx->stats = isl_calloc_type(ctx, struct isl_stats);
77 ctx->user_args = args;
78 ctx->user_opt = user_opt;
79 ctx->opt_allocated = opt_allocated;
83 isl_int_init(ctx->zero);
84 isl_int_set_si(ctx->zero, 0);
86 isl_int_init(ctx->one);
87 isl_int_set_si(ctx->one, 1);
89 isl_int_init(ctx->two);
90 isl_int_set_si(ctx->two, 2);
92 isl_int_init(ctx->negone);
93 isl_int_set_si(ctx->negone, -1);
95 isl_int_init(ctx->normalize_gcd);
100 ctx->error = isl_error_none;
104 isl_args_free(args, user_opt);
106 isl_options_free(opt);
111 struct isl_ctx *isl_ctx_alloc()
113 struct isl_options *opt;
115 opt = isl_options_new_with_defaults();
117 return isl_ctx_alloc_with_options(&isl_options_args, opt);
120 void isl_ctx_ref(struct isl_ctx *ctx)
125 void isl_ctx_deref(struct isl_ctx *ctx)
127 isl_assert(ctx, ctx->ref > 0, return);
131 void isl_ctx_free(struct isl_ctx *ctx)
136 isl_die(ctx, isl_error_invalid,
137 "isl_ctx freed, but some objects still reference it",
140 isl_hash_table_clear(&ctx->id_table);
141 isl_blk_clear_cache(ctx);
142 isl_int_clear(ctx->zero);
143 isl_int_clear(ctx->one);
144 isl_int_clear(ctx->two);
145 isl_int_clear(ctx->negone);
146 isl_int_clear(ctx->normalize_gcd);
147 isl_args_free(ctx->user_args, ctx->user_opt);
148 if (ctx->opt_allocated)
154 struct isl_options *isl_ctx_options(isl_ctx *ctx)
161 enum isl_error isl_ctx_last_error(isl_ctx *ctx)
166 void isl_ctx_reset_error(isl_ctx *ctx)
168 ctx->error = isl_error_none;
171 void isl_ctx_set_error(isl_ctx *ctx, enum isl_error error)
177 void isl_ctx_abort(isl_ctx *ctx)
183 void isl_ctx_resume(isl_ctx *ctx)
189 int isl_ctx_aborted(isl_ctx *ctx)
191 return ctx ? ctx->abort : -1;
194 int isl_ctx_parse_options(isl_ctx *ctx, int argc, char **argv, unsigned flags)
198 return isl_args_parse(ctx->user_args, argc, argv, ctx->user_opt, flags);