add isl_point_get_dim

[platform/upstream/isl.git] / isl_ctx.c

diff --git a/isl_ctx.c b/isl_ctx.c
index e844e56..5b37bf5 100644 (file)
--- a/isl_ctx.c
+++ b/isl_ctx.c
@@ -7,23 +7,23 @@
  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
  */
 
-#include "isl_ctx.h"
-#include "isl_vec.h"
+#include <isl_ctx_private.h>
+#include <isl/vec.h>
 
-static struct isl_options *find_nested_isl_options(struct isl_arg *arg,
-       void *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 == isl_options_arg)
+       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_isl_options(arg[i].u.child.child,
-                                   *(void **)(((char *)opt) + arg->offset));
+               options = find_nested_options(arg[i].u.child.child,
+                               *(void **)(((char *)opt) + arg->offset), wanted);
                if (options)
                        return options;
        }
@@ -31,6 +31,19 @@ static struct isl_options *find_nested_isl_options(struct isl_arg *arg,
        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;
@@ -71,12 +84,18 @@ isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
        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->n_miss = 0;
+
+       ctx->error = isl_error_none;
 
        return ctx;
 error:
@@ -116,6 +135,7 @@ void isl_ctx_free(struct isl_ctx *ctx)
        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);
@@ -131,3 +151,36 @@ struct isl_options *isl_ctx_options(isl_ctx *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;
+}
+
+void isl_ctx_set_error(isl_ctx *ctx, enum isl_error error)
+{
+       if (ctx)
+               ctx->error = error;
+}
+
+void isl_ctx_abort(isl_ctx *ctx)
+{
+       if (ctx)
+               ctx->abort = 1;
+}
+
+void isl_ctx_resume(isl_ctx *ctx)
+{
+       if (ctx)
+               ctx->abort = 0;
+}
+
+int isl_ctx_aborted(isl_ctx *ctx)
+{
+       return ctx ? ctx->abort : -1;
+}