#include "isl_ctx.h"
#include "isl_vec.h"
-isl_ctx *isl_ctx_alloc_with_options(struct isl_options *opt)
+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 (!opt)
+ 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 (!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);
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;
}
opt = isl_options_new_with_defaults();
- return isl_ctx_alloc_with_options(opt);
+ return isl_ctx_alloc_with_options(isl_options_arg, opt);
}
void isl_ctx_ref(struct isl_ctx *ctx)
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);
- free(ctx->opt);
+ isl_arg_free(ctx->user_arg, ctx->user_opt);
+ if (ctx->opt_allocated)
+ free(ctx->opt);
free(ctx->stats);
free(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;
+}