X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_ctx.c;h=5b37bf550b9114de21b76fb6644b820ef347c503;hb=264fb60022ac3e67a8453d73086816d6bdc5e425;hp=b8fda0c46b87c2513b35d404cbc43037fb266d0f;hpb=c4084e48d715859a1ce39847ffd4412535d8a263;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_ctx.c b/isl_ctx.c
index b8fda0c..5b37bf5 100644
--- a/isl_ctx.c
+++ b/isl_ctx.c
@@ -1,37 +1,186 @@
-#include "isl_ctx.h"
-#include "isl_vec.h"
-#ifdef ISL_POLYLIB
-#include <polylib/polylibgmp.h>
-#endif
+/*
+ * Copyright 2008-2009 Katholieke Universiteit Leuven
+ *
+ * Use of this software is governed by the GNU LGPLv2.1 license
+ *
+ * Written by Sven Verdoolaege, K.U.Leuven, Departement
+ * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
+ */
 
-struct isl_ctx *isl_ctx_alloc()
+#include <isl_ctx_private.h>
+#include <isl/vec.h>
+
+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;
 
-	ctx = isl_alloc_type(NULL, struct isl_ctx);
+	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 (isl_hash_table_init(ctx, &ctx->name_hash, 0))
+		goto error;
+
+	ctx->stats = isl_calloc_type(ctx, struct isl_stats);
+	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);
+
+	isl_int_init(ctx->normalize_gcd);
+
 	ctx->n_cached = 0;
+	ctx->n_miss = 0;
 
-#ifdef ISL_POLYLIB
-	ctx->MaxRays = POL_NO_DUAL | POL_INTEGER;
-#endif
+	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;
 }
 
+struct isl_ctx *isl_ctx_alloc()
+{
+	struct isl_options *opt;
+
+	opt = isl_options_new_with_defaults();
+
+	return isl_ctx_alloc_with_options(isl_options_arg, opt);
+}
+
+void isl_ctx_ref(struct isl_ctx *ctx)
+{
+	ctx->ref++;
+}
+
+void isl_ctx_deref(struct isl_ctx *ctx)
+{
+	isl_assert(ctx, ctx->ref > 0, return);
+	ctx->ref--;
+}
+
 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);
 	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);
+	if (ctx->opt_allocated)
+		free(ctx->opt);
+	free(ctx->stats);
 	free(ctx);
 }
+
+struct isl_options *isl_ctx_options(isl_ctx *ctx)
+{
+	if (!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;
+}