Report error locations in almost all cases and more accurately.

TODO

@@ -51,6 +51,7 @@ builtin for getting size of an image
 real gamma function buggy
 
 ** Compiler
+Make exprtree and scanner use compiler pools as well
 Generator for simplifiers
 Simplify coordinate stuff (non-stretched ident filter)
 calculate R in the filter code

backends/cc.c

@@ -804,7 +804,7 @@ generate_plug_in (char *filter, char *output_filename,
 
     sprintf(template_path, "%s/%s", TEMPLATE_DIR, template_filename);
 
-    mathmap = parse_mathmap(filter, FALSE);
+    mathmap = parse_mathmap(filter);
 
     if (mathmap == 0)
     {

cocoa.c

@@ -36,11 +36,11 @@ delete_expression_marker (void)
 }
 
 void
-set_expression_marker (int line, int column)
+set_expression_marker (int start_line, int start_column, int end_line, int end_column)
 {
     delete_expression_marker();
-	
-    printf("FIXME: the error is at %d:%d\n", line, column);	
+
+    printf("FIXME: the error is at %d:%d\n", start_line, start_column);
 }
 
 void

expression_db.c

@@ -387,7 +387,7 @@ fetch_expression_mathmap (expression_db_t *expr, designer_design_type_t *design_
 		if (source == NULL)
 		    return NULL;
 
-		expr->v.expression.mathmap = parse_mathmap(source, FALSE);
+		expr->v.expression.mathmap = parse_mathmap(source);
 
 		g_free(source);
 	    }
@@ -411,7 +411,7 @@ fetch_expression_mathmap (expression_db_t *expr, designer_design_type_t *design_
 
 		source = make_filter_source_from_design(design, NULL);
 
-		expr->v.design.mathmap = parse_mathmap(source, FALSE);
+		expr->v.design.mathmap = parse_mathmap(source);
 
 		g_free(source);
 		designer_free_design(design);
@@ -474,7 +474,7 @@ get_expression_docstring (expression_db_t *edb)
     if (expression == NULL)
 	return NULL;
 
-    mathmap = parse_mathmap(expression, FALSE);
+    mathmap = parse_mathmap(expression);
     if (mathmap == NULL)
 	return NULL;