X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_input_omega.c;h=cd02cc5a39d4980eee5bbb141115b4bbe54a143f;hb=786f51e03cc18f6031c63d0fa40b4f00a00e9673;hp=9cd75f5fe0a373d3e17aa8135acf1d2bdc9bd0c0;hpb=17151f04973ecdcfa99113e094369bbb852b20f7;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_input_omega.c b/isl_input_omega.c
index 9cd75f5..cd02cc5 100644
--- a/isl_input_omega.c
+++ b/isl_input_omega.c
@@ -1,332 +1,11 @@
 #include <ctype.h>
 #include <string.h>
 #include <strings.h>
+#include <isl_seq.h>
+#include "isl_stream.h"
+#include "isl_map_private.h"
 #include "isl_input_omega.h"
 
-enum token_type { TOKEN_UNKNOWN = 256, TOKEN_VALUE, TOKEN_IDENT, TOKEN_GE,
-		  TOKEN_LE, TOKEN_TO, TOKEN_AND, TOKEN_EXISTS };
-
-struct token {
-	enum token_type  type;
-
-	unsigned int on_new_line : 1;
-	int line;
-	int col;
-
-	union {
-		isl_int	v;
-		char	*s;
-	} u;
-};
-
-static struct token *token_new(struct isl_ctx *ctx,
-	int line, int col, unsigned on_new_line)
-{
-	struct token *tok = isl_alloc_type(ctx, struct token);
-	if (!tok)
-		return NULL;
-	tok->line = line;
-	tok->col = col;
-	tok->on_new_line = on_new_line;
-	return tok;
-}
-
-void token_free(struct token *tok)
-{
-	if (!tok)
-		return;
-	if (tok->type == TOKEN_VALUE)
-		isl_int_clear(tok->u.v);
-	else if (tok->type == TOKEN_IDENT)
-		free(tok->u.s);
-	free(tok);
-}
-
-struct stream {
-	struct isl_ctx	*ctx;
-	FILE        	*file;
-	const char  	*str;
-	int	    	line;
-	int	    	col;
-	int	    	eof;
-
-	char	    	*buffer;
-	size_t	    	size;
-	size_t	    	len;
-	int	    	c;
-
-	struct token	*tokens[5];
-	int	    	n_token;
-};
-
-void stream_error(struct stream *s, struct token *tok, char *msg)
-{
-	int line = tok ? tok->line : s->line;
-	int col = tok ? tok->col : s->col;
-	fprintf(stderr, "syntax error (%d, %d): %s\n", line, col, msg);
-	if (tok) {
-		if (tok->type < 256)
-			fprintf(stderr, "got '%c'\n", tok->type);
-		else
-			fprintf(stderr, "got token type %d\n", tok->type);
-	}
-}
-
-static void stream_free(struct stream *s);
-
-static struct stream* stream_new(struct isl_ctx *ctx)
-{
-	int i;
-	struct stream *s = isl_alloc_type(ctx, struct stream);
-	if (!s)
-		return NULL;
-	s->ctx = ctx;
-	s->size = 256;
-	s->file = NULL;
-	s->str = NULL;
-	s->buffer = isl_alloc_array(ctx, char, s->size);
-	if (!s->buffer)
-		goto error;
-	s->len = 0;
-	s->line = 1;
-	s->col = 0;
-	s->eof = 0;
-	s->c = -1;
-	for (i = 0; i < 5; ++i)
-		s->tokens[i] = NULL;
-	s->n_token = 0;
-	return s;
-error:
-	stream_free(s);
-	return NULL;
-}
-
-static struct stream* stream_new_file(struct isl_ctx *ctx, FILE *file)
-{
-	struct stream *s = stream_new(ctx);
-	if (!s)
-		return NULL;
-	s->file = file;
-	return s;
-}
-
-static int stream_getc(struct stream *s)
-{
-	int c;
-	if (s->eof)
-		return -1;
-	if (s->file)
-		c = fgetc(s->file);
-	else {
-		c = *s->str++;
-		if (c == '\0')
-			c = -1;
-	}
-	if (c == -1)
-		s->eof = 1;
-	if (!s->eof) {
-		if (s->c == '\n') {
-			s->line++;
-			s->col = 0;
-		} else
-			s->col++;
-	}
-	s->c = c;
-	return c;
-}
-
-static void stream_ungetc(struct stream *s, int c)
-{
-	if (s->file)
-		ungetc(c, s->file);
-	else
-		--s->str;
-	s->c = -1;
-}
-
-static int stream_push_char(struct stream *s, int c)
-{
-	if (s->len >= s->size) {
-		s->size = (3*s->size)/2;
-		s->buffer = isl_realloc_array(ctx, s->buffer, char, s->size);
-		if (!s->buffer)
-			return -1;
-	}
-	s->buffer[s->len++] = c;
-	return 0;
-}
-
-static void stream_push_token(struct stream *s, struct token *tok)
-{
-	isl_assert(s->ctx, s->n_token < 5, return);
-	s->tokens[s->n_token++] = tok;
-}
-
-static struct token *stream_next_token(struct stream *s)
-{
-	int c;
-	struct token *tok = NULL;
-	int line, col;
-	int old_line = s->line;
-
-	if (s->n_token)
-		return s->tokens[--s->n_token];
-
-	s->len = 0;
-
-	/* skip spaces */
-	while ((c = stream_getc(s)) != -1 && isspace(c))
-		/* nothing */
-		;
-
-	line = s->line;
-	col = s->col;
-
-	if (c == -1)
-		return NULL;
-	if (c == '(' ||
-	    c == ')' ||
-	    c == '+' ||
-	    c == '/' ||
-	    c == '*' ||
-	    c == '^' ||
-	    c == '=' ||
-	    c == ',' ||
-	    c == ':' ||
-	    c == '[' ||
-	    c == ']' ||
-	    c == '{' ||
-	    c == '}') {
-		tok = token_new(s->ctx, line, col, old_line != line);
-		if (!tok)
-			return NULL;
-		tok->type = (enum token_type)c;
-		return tok;
-	}
-	if (c == '-') {
-		int c;
-		if ((c = stream_getc(s)) == '>') {
-			tok = token_new(s->ctx, line, col, old_line != line);
-			if (!tok)
-				return NULL;
-			tok->type = TOKEN_TO;
-			return tok;
-		}
-		if (c != -1)
-			stream_ungetc(s, c);
-	}
-	if (c == '-' || isdigit(c)) {
-		tok = token_new(s->ctx, line, col, old_line != line);
-		if (!tok)
-			return NULL;
-		tok->type = TOKEN_VALUE;
-		isl_int_init(tok->u.v);
-		if (stream_push_char(s, c))
-			goto error;
-		while ((c = stream_getc(s)) != -1 && isdigit(c))
-			if (stream_push_char(s, c))
-				goto error;
-		if (c != -1)
-			stream_ungetc(s, c);
-		if (s->len == 1 && s->buffer[0] == '-')
-			isl_int_set_si(tok->u.v, -1);
-		else {
-			stream_push_char(s, '\0');
-			isl_int_read(tok->u.v, s->buffer);
-		}
-		return tok;
-	}
-	if (isalpha(c)) {
-		tok = token_new(s->ctx, line, col, old_line != line);
-		if (!tok)
-			return NULL;
-		stream_push_char(s, c);
-		while ((c = stream_getc(s)) != -1 && isalnum(c))
-			stream_push_char(s, c);
-		if (c != -1)
-			stream_ungetc(s, c);
-		stream_push_char(s, '\0');
-		if (!strcasecmp(s->buffer, "exists"))
-			tok->type = TOKEN_EXISTS;
-		else {
-			tok->type = TOKEN_IDENT;
-			tok->u.s = strdup(s->buffer);
-		}
-		return tok;
-	}
-	if (c == '>') {
-		int c;
-		if ((c = stream_getc(s)) == '=') {
-			tok = token_new(s->ctx, line, col, old_line != line);
-			if (!tok)
-				return NULL;
-			tok->type = TOKEN_GE;
-			return tok;
-		}
-		if (c != -1)
-			stream_ungetc(s, c);
-	}
-	if (c == '<') {
-		int c;
-		if ((c = stream_getc(s)) == '=') {
-			tok = token_new(s->ctx, line, col, old_line != line);
-			if (!tok)
-				return NULL;
-			tok->type = TOKEN_LE;
-			return tok;
-		}
-		if (c != -1)
-			stream_ungetc(s, c);
-	}
-	if (c == '&') {
-		tok = token_new(s->ctx, line, col, old_line != line);
-		if (!tok)
-			return NULL;
-		tok->type = TOKEN_AND;
-		if ((c = stream_getc(s)) != '&' && c != -1)
-			stream_ungetc(s, c);
-		return tok;
-	}
-
-	tok = token_new(s->ctx, line, col, old_line != line);
-	if (!tok)
-		return NULL;
-	tok->type = TOKEN_UNKNOWN;
-	return tok;
-error:
-	token_free(tok);
-	return NULL;
-}
-
-static int stream_eat(struct stream *s, int type)
-{
-	struct token *tok;
-
-	tok = stream_next_token(s);
-	if (!tok)
-		return -1;
-	if (tok->type == type) {
-		token_free(tok);
-		return 0;
-	}
-	stream_error(s, tok, "expecting other token");
-	stream_push_token(s, tok);
-	return -1;
-}
-
-static void stream_free(struct stream *s)
-{
-	if (!s)
-		return;
-	free(s->buffer);
-	if (s->n_token != 0) {
-		struct token *tok = stream_next_token(s);
-		stream_error(s, tok, "unexpected token");
-		token_free(tok);
-	}
-	free(s);
-}
-
 struct variable {
 	char    	    	*name;
 	int	     		 pos;
@@ -409,153 +88,154 @@ static int vars_pos(struct vars *v, const char *s, int len)
 	return pos;
 }
 
-static struct vars *read_var_list(struct stream *s, struct vars *v)
+static struct vars *read_var_list(struct isl_stream *s, struct vars *v)
 {
-	struct token *tok;
+	struct isl_token *tok;
 
-	while ((tok = stream_next_token(s)) != NULL) {
+	while ((tok = isl_stream_next_token(s)) != NULL) {
 		int p;
 		int n = v->n;
 
-		if (tok->type != TOKEN_IDENT)
+		if (tok->type != ISL_TOKEN_IDENT)
 			break;
 
 		p = vars_pos(v, tok->u.s, -1);
 		if (p < 0)
 			goto error;
 		if (p < n) {
-			stream_error(s, tok, "expecting unique identifier");
+			isl_stream_error(s, tok, "expecting unique identifier");
 			goto error;
 		}
-		token_free(tok);
-		tok = stream_next_token(s);
+		isl_token_free(tok);
+		tok = isl_stream_next_token(s);
 		if (!tok || tok->type != ',')
 			break;
 
-		token_free(tok);
+		isl_token_free(tok);
 	}
 	if (tok)
-		stream_push_token(s, tok);
+		isl_stream_push_token(s, tok);
 
 	return v;
 error:
-	token_free(tok);
+	isl_token_free(tok);
 	vars_free(v);
 	return NULL;
 }
 
-static struct vars *read_tuple(struct stream *s, struct vars *v)
+static struct vars *read_tuple(struct isl_stream *s, struct vars *v)
 {
-	struct token *tok;
+	struct isl_token *tok;
 
-	tok = stream_next_token(s);
+	tok = isl_stream_next_token(s);
 	if (!tok || tok->type != '[') {
-		stream_error(s, tok, "expecting '['");
+		isl_stream_error(s, tok, "expecting '['");
 		goto error;
 	}
-	token_free(tok);
+	isl_token_free(tok);
 	v = read_var_list(s, v);
-	tok = stream_next_token(s);
+	tok = isl_stream_next_token(s);
 	if (!tok || tok->type != ']') {
-		stream_error(s, tok, "expecting ']'");
+		isl_stream_error(s, tok, "expecting ']'");
 		goto error;
 	}
-	token_free(tok);
+	isl_token_free(tok);
 
 	return v;
 error:
 	if (tok)
-		token_free(tok);
+		isl_token_free(tok);
 	vars_free(v);
 	return NULL;
 }
 
-static struct isl_basic_map *add_constraints(struct stream *s,
+static struct isl_basic_map *add_constraints(struct isl_stream *s,
 	struct vars **v, struct isl_basic_map *bmap);
 
-static struct isl_basic_map *add_exists(struct stream *s,
+static struct isl_basic_map *add_exists(struct isl_stream *s,
 	struct vars **v, struct isl_basic_map *bmap)
 {
-	struct token *tok;
+	struct isl_token *tok;
 	int n = (*v)->n;
 	int extra;
 	int seen_paren = 0;
 	int i;
 	unsigned total;
 
-	tok = stream_next_token(s);
+	tok = isl_stream_next_token(s);
 	if (!tok)
 		goto error;
 	if (tok->type == '(') {
 		seen_paren = 1;
-		token_free(tok);
+		isl_token_free(tok);
 	} else
-		stream_push_token(s, tok);
+		isl_stream_push_token(s, tok);
 	*v = read_var_list(s, *v);
 	if (!*v)
 		goto error;
 	extra = (*v)->n - n;
-	bmap = isl_basic_map_extend(s->ctx, bmap, bmap->nparam,
-			bmap->n_in, bmap->n_out, extra, 0, 0);
-	total = bmap->nparam+bmap->n_in+bmap->n_out+bmap->extra;
+	bmap = isl_basic_map_cow(bmap);
+	bmap = isl_basic_map_extend_dim(bmap, isl_dim_copy(bmap->dim),
+			extra, 0, 0);
+	total = isl_basic_map_total_dim(bmap);
 	for (i = 0; i < extra; ++i) {
 		int k;
-		if ((k = isl_basic_map_alloc_div(s->ctx, bmap)) < 0)
+		if ((k = isl_basic_map_alloc_div(bmap)) < 0)
 			goto error;
 		isl_seq_clr(bmap->div[k], 1+1+total);
 	}
 	if (!bmap)
 		return NULL;
-	if (stream_eat(s, ':'))
+	if (isl_stream_eat(s, ':'))
 		goto error;
 	bmap = add_constraints(s, v, bmap);
-	if (seen_paren && stream_eat(s, ')'))
+	if (seen_paren && isl_stream_eat(s, ')'))
 		goto error;
 	return bmap;
 error:
-	isl_basic_map_free(s->ctx, bmap);
+	isl_basic_map_free(bmap);
 	return NULL;
 }
 
-static struct isl_basic_map *add_constraint(struct stream *s,
+static struct isl_basic_map *add_constraint(struct isl_stream *s,
 	struct vars **v, struct isl_basic_map *bmap)
 {
-	unsigned total = bmap->nparam+bmap->n_in+bmap->n_out+bmap->extra;
+	unsigned total = isl_basic_map_total_dim(bmap);
 	int k;
 	int sign = 1;
 	int equality = 0;
 	int op = 0;
-	struct token *tok = NULL;
+	struct isl_token *tok = NULL;
 
-	tok = stream_next_token(s);
+	tok = isl_stream_next_token(s);
 	if (!tok)
 		goto error;
-	if (tok->type == TOKEN_EXISTS) {
-		token_free(tok);
+	if (tok->type == ISL_TOKEN_EXISTS) {
+		isl_token_free(tok);
 		return add_exists(s, v, bmap);
 	}
-	stream_push_token(s, tok);
+	isl_stream_push_token(s, tok);
 
-	bmap = isl_basic_map_extend(s->ctx, bmap, bmap->nparam,
-			bmap->n_in, bmap->n_out, 0, 0, 1);
-	k = isl_basic_map_alloc_inequality(s->ctx, bmap);
+	bmap = isl_basic_map_cow(bmap);
+	bmap = isl_basic_map_extend_constraints(bmap, 0, 1);
+	k = isl_basic_map_alloc_inequality(bmap);
 	if (k < 0)
 		goto error;
 	isl_seq_clr(bmap->ineq[k], 1+total);
 
 	for (;;) {
-		tok = stream_next_token(s);
+		tok = isl_stream_next_token(s);
 		if (!tok) {
-			stream_error(s, NULL, "unexpected EOF");
+			isl_stream_error(s, NULL, "unexpected EOF");
 			goto error;
 		}
-		if (tok->type == TOKEN_IDENT) {
+		if (tok->type == ISL_TOKEN_IDENT) {
 			int n = (*v)->n;
 			int pos = vars_pos(*v, tok->u.s, -1);
 			if (pos < 0)
 				goto error;
 			if (pos >= n) {
-				stream_error(s, tok, "unknown identifier");
+				isl_stream_error(s, tok, "unknown identifier");
 				goto error;
 			}
 			if (sign > 0)
@@ -564,147 +244,149 @@ static struct isl_basic_map *add_constraint(struct stream *s,
 			else
 				isl_int_sub_ui(bmap->ineq[k][1+pos],
 						bmap->ineq[k][1+pos], 1);
-		} else if (tok->type == TOKEN_VALUE) {
-			struct token *tok2;
+		} else if (tok->type == ISL_TOKEN_VALUE) {
+			struct isl_token *tok2;
 			int n = (*v)->n;
 			int pos = -1;
-			tok2 = stream_next_token(s);
-			if (tok2 && tok2->type == TOKEN_IDENT) {
+			tok2 = isl_stream_next_token(s);
+			if (tok2 && tok2->type == ISL_TOKEN_IDENT) {
 				pos = vars_pos(*v, tok2->u.s, -1);
 				if (pos < 0)
 					goto error;
 				if (pos >= n) {
-					stream_error(s, tok2,
+					isl_stream_error(s, tok2,
 						"unknown identifier");
-					token_free(tok2);
+					isl_token_free(tok2);
 					goto error;
 				}
-				token_free(tok2);
+				isl_token_free(tok2);
 			} else if (tok2)
-				stream_push_token(s, tok2);
+				isl_stream_push_token(s, tok2);
 			if (sign < 0)
 				isl_int_neg(tok->u.v, tok->u.v);
 			isl_int_add(bmap->ineq[k][1+pos],
 					bmap->ineq[k][1+pos], tok->u.v);
-		} else if (tok->type == TOKEN_LE) {
+		} else if (tok->type == '+') {
+			/* nothing */
+		} else if (tok->type == ISL_TOKEN_LE) {
 			op = 1;
 			isl_seq_neg(bmap->ineq[k], bmap->ineq[k], 1+total);
-		} else if (tok->type == TOKEN_GE) {
+		} else if (tok->type == ISL_TOKEN_GE) {
 			op = 1;
 			sign = -1;
 		} else if (tok->type == '=') {
 			if (op) {
-				stream_error(s, tok, "too many operators");
+				isl_stream_error(s, tok, "too many operators");
 				goto error;
 			}
 			op = 1;
 			equality = 1;
 			sign = -1;
 		} else {
-			stream_push_token(s, tok);
+			isl_stream_push_token(s, tok);
 			break;
 		}
-		token_free(tok);
+		isl_token_free(tok);
 	}
 	tok = NULL;
 	if (!op) {
-		stream_error(s, tok, "missing operator");
+		isl_stream_error(s, tok, "missing operator");
 		goto error;
 	}
 	if (equality)
-		isl_basic_map_inequality_to_equality(s->ctx, bmap, k);
+		isl_basic_map_inequality_to_equality(bmap, k);
 	return bmap;
 error:
 	if (tok)
-		token_free(tok);
-	isl_basic_map_free(s->ctx, bmap);
+		isl_token_free(tok);
+	isl_basic_map_free(bmap);
 	return NULL;
 }
 
-static struct isl_basic_map *add_constraints(struct stream *s,
+static struct isl_basic_map *add_constraints(struct isl_stream *s,
 	struct vars **v, struct isl_basic_map *bmap)
 {
-	struct token *tok;
+	struct isl_token *tok;
 
 	for (;;) {
 		bmap = add_constraint(s, v, bmap);
 		if (!bmap)
 			return NULL;
-		tok = stream_next_token(s);
+		tok = isl_stream_next_token(s);
 		if (!tok) {
-			stream_error(s, NULL, "unexpected EOF");
+			isl_stream_error(s, NULL, "unexpected EOF");
 			goto error;
 		}
-		if (tok->type != TOKEN_AND)
+		if (tok->type != ISL_TOKEN_AND)
 			break;
-		token_free(tok);
+		isl_token_free(tok);
 	}
-	stream_push_token(s, tok);
+	isl_stream_push_token(s, tok);
 
 	return bmap;
 error:
 	if (tok)
-		token_free(tok);
-	isl_basic_map_free(s->ctx, bmap);
+		isl_token_free(tok);
+	isl_basic_map_free(bmap);
 	return NULL;
 }
 
-static struct isl_basic_map *basic_map_read(struct stream *s)
+static struct isl_basic_map *basic_map_read(struct isl_stream *s)
 {
 	struct isl_basic_map *bmap = NULL;
-	struct token *tok;
+	struct isl_token *tok;
 	struct vars *v = NULL;
 	int n1;
 	int n2;
 
-	tok = stream_next_token(s);
+	tok = isl_stream_next_token(s);
 	if (!tok || tok->type != '{') {
-		stream_error(s, tok, "expecting '{'");
+		isl_stream_error(s, tok, "expecting '{'");
 		if (tok)
-			stream_push_token(s, tok);
+			isl_stream_push_token(s, tok);
 		goto error;
 	}
-	token_free(tok);
+	isl_token_free(tok);
 	v = vars_new(s->ctx);
 	v = read_tuple(s, v);
 	if (!v)
 		return NULL;
 	n1 = v->n;
-	tok = stream_next_token(s);
-	if (tok && tok->type == TOKEN_TO) {
-		token_free(tok);
+	tok = isl_stream_next_token(s);
+	if (tok && tok->type == ISL_TOKEN_TO) {
+		isl_token_free(tok);
 		v = read_tuple(s, v);
 		if (!v)
 			return NULL;
 		n2 = v->n - n1;
 	} else {
 		if (tok)
-			stream_push_token(s, tok);
+			isl_stream_push_token(s, tok);
 		n2 = n1;
 		n1 = 0;
 	}
 	bmap = isl_basic_map_alloc(s->ctx, 0, n1, n2, 0, 0,0);
 	if (!bmap)
 		goto error;
-	tok = stream_next_token(s);
+	tok = isl_stream_next_token(s);
 	if (tok && tok->type == ':') {
-		token_free(tok);
+		isl_token_free(tok);
 		bmap = add_constraints(s, &v, bmap);
-		tok = stream_next_token(s);
+		tok = isl_stream_next_token(s);
 	}
 	if (tok && tok->type == '}') {
-		token_free(tok);
+		isl_token_free(tok);
 	} else {
-		stream_error(s, tok, "unexpected token");
+		isl_stream_error(s, tok, "unexpected isl_token");
 		if (tok)
-			token_free(tok);
+			isl_token_free(tok);
 		goto error;
 	}
 	vars_free(v);
 
 	return bmap;
 error:
-	isl_basic_map_free(s->ctx, bmap);
+	isl_basic_map_free(bmap);
 	if (v)
 		vars_free(v);
 	return NULL;
@@ -714,11 +396,11 @@ struct isl_basic_map *isl_basic_map_read_from_file_omega(
 		struct isl_ctx *ctx, FILE *input)
 {
 	struct isl_basic_map *bmap;
-	struct stream *s = stream_new_file(ctx, input);
+	struct isl_stream *s = isl_stream_new_file(ctx, input);
 	if (!s)
 		return NULL;
 	bmap = basic_map_read(s);
-	stream_free(s);
+	isl_stream_free(s);
 	return bmap;
 }
 
@@ -729,9 +411,35 @@ struct isl_basic_set *isl_basic_set_read_from_file_omega(
 	bmap = isl_basic_map_read_from_file_omega(ctx, input);
 	if (!bmap)
 		return NULL;
-	isl_assert(ctx, bmap->n_in == 0, goto error);
+	isl_assert(ctx, isl_basic_map_n_in(bmap) == 0, goto error);
+	return (struct isl_basic_set *)bmap;
+error:
+	isl_basic_map_free(bmap);
+	return NULL;
+}
+
+struct isl_basic_map *isl_basic_map_read_from_str_omega(
+		struct isl_ctx *ctx, const char *str)
+{
+	struct isl_basic_map *bmap;
+	struct isl_stream *s = isl_stream_new_str(ctx, str);
+	if (!s)
+		return NULL;
+	bmap = basic_map_read(s);
+	isl_stream_free(s);
+	return bmap;
+}
+
+struct isl_basic_set *isl_basic_set_read_from_str_omega(
+		struct isl_ctx *ctx, const char *str)
+{
+	struct isl_basic_map *bmap;
+	bmap = isl_basic_map_read_from_str_omega(ctx, str);
+	if (!bmap)
+		return NULL;
+	isl_assert(ctx, isl_basic_map_n_in(bmap) == 0, goto error);
 	return (struct isl_basic_set *)bmap;
 error:
-	isl_basic_map_free(ctx, bmap);
+	isl_basic_map_free(bmap);
 	return NULL;
 }