X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_ctx.c;h=515d865fd3da11839792449d49f47f3be1fcde83;hb=ac5bc82f1683ea8cc6b37dafc2b96ad1cf736cd3;hp=e844e564ae08a04431a9c8a35a81d40c51f59710;hpb=7adc3116c28a60bd8975a04e0041ea6005613249;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_ctx.c b/isl_ctx.c
index e844e56..515d865 100644
--- a/isl_ctx.c
+++ b/isl_ctx.c
@@ -1,29 +1,52 @@
 /*
  * Copyright 2008-2009 Katholieke Universiteit Leuven
  *
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * Use of this software is governed by the MIT license
  *
  * Written by Sven Verdoolaege, K.U.Leuven, Departement
  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
  */
 
-#include "isl_ctx.h"
-#include "isl_vec.h"
+#include <isl_ctx_private.h>
+#include <isl/vec.h>
+#include <isl_options_private.h>
 
-static struct isl_options *find_nested_isl_options(struct isl_arg *arg,
-	void *opt)
+void isl_handle_error(isl_ctx *ctx, enum isl_error error, const char *msg,
+	const char *file, int line)
+{
+	if (!ctx)
+		return;
+
+	isl_ctx_set_error(ctx, error);
+
+	switch (ctx->opt->on_error) {
+	case ISL_ON_ERROR_WARN:
+		fprintf(stderr, "%s:%d: %s\n", file, line, msg);
+		return;
+	case ISL_ON_ERROR_CONTINUE:
+		return;
+	case ISL_ON_ERROR_ABORT:
+		fprintf(stderr, "%s:%d: %s\n", file, line, msg);
+		abort();
+		return;
+	}
+}
+
+static struct isl_options *find_nested_options(struct isl_args *args,
+	void *opt, struct isl_args *wanted)
 {
 	int i;
 	struct isl_options *options;
 
-	if (arg == isl_options_arg)
+	if (args == wanted)
 		return opt;
 
-	for (i = 0; arg[i].type != isl_arg_end; ++i) {
-		if (arg[i].type != isl_arg_child)
+	for (i = 0; args->args[i].type != isl_arg_end; ++i) {
+		if (args->args[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(args->args[i].u.child.child,
+			    *(void **)(((char *)opt) + args->args[i].offset),
+			    wanted);
 		if (options)
 			return options;
 	}
@@ -31,7 +54,22 @@ static struct isl_options *find_nested_isl_options(struct isl_arg *arg,
 	return NULL;
 }
 
-isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
+static struct isl_options *find_nested_isl_options(struct isl_args *args,
+	void *opt)
+{
+	return find_nested_options(args, opt, &isl_options_args);
+}
+
+void *isl_ctx_peek_options(isl_ctx *ctx, struct isl_args *args)
+{
+	if (!ctx)
+		return NULL;
+	if (args == &isl_options_args)
+		return ctx->opt;
+	return find_nested_options(ctx->user_args, ctx->user_opt, args);
+}
+
+isl_ctx *isl_ctx_alloc_with_options(struct isl_args *args, void *user_opt)
 {
 	struct isl_ctx *ctx = NULL;
 	struct isl_options *opt = NULL;
@@ -40,7 +78,7 @@ isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
 	if (!user_opt)
 		return NULL;
 
-	opt = find_nested_isl_options(arg, user_opt);
+	opt = find_nested_isl_options(args, user_opt);
 	if (!opt) {
 		opt = isl_options_new_with_defaults();
 		if (!opt)
@@ -52,14 +90,14 @@ isl_ctx *isl_ctx_alloc_with_options(struct isl_arg *arg, void *user_opt)
 	if (!ctx)
 		goto error;
 
-	if (isl_hash_table_init(ctx, &ctx->name_hash, 0))
+	if (isl_hash_table_init(ctx, &ctx->id_table, 0))
 		goto error;
 
 	ctx->stats = isl_calloc_type(ctx, struct isl_stats);
 	if (!ctx->stats)
 		goto error;
 
-	ctx->user_arg = arg;
+	ctx->user_args = args;
 	ctx->user_opt = user_opt;
 	ctx->opt_allocated = opt_allocated;
 	ctx->opt = opt;
@@ -71,16 +109,22 @@ 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:
-	isl_arg_free(arg, user_opt);
+	isl_args_free(args, user_opt);
 	if (opt_allocated)
 		isl_options_free(opt);
 	free(ctx);
@@ -93,7 +137,7 @@ struct isl_ctx *isl_ctx_alloc()
 
 	opt = isl_options_new_with_defaults();
 
-	return isl_ctx_alloc_with_options(isl_options_arg, opt);
+	return isl_ctx_alloc_with_options(&isl_options_args, opt);
 }
 
 void isl_ctx_ref(struct isl_ctx *ctx)
@@ -111,14 +155,19 @@ 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);
+	if (ctx->ref != 0)
+		isl_die(ctx, isl_error_invalid,
+			"isl_ctx freed, but some objects still reference it",
+			return);
+
+	isl_hash_table_clear(&ctx->id_table);
 	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);
+	isl_args_free(ctx->user_args, ctx->user_opt);
 	if (ctx->opt_allocated)
 		free(ctx->opt);
 	free(ctx->stats);
@@ -131,3 +180,43 @@ 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;
+}
+
+int isl_ctx_parse_options(isl_ctx *ctx, int argc, char **argv, unsigned flags)
+{
+	if (!ctx)
+		return -1;
+	return isl_args_parse(ctx->user_args, argc, argv, ctx->user_opt, flags);
+}