isl_ast_codegen.c: create_node: avoid invalid access on error

[platform/upstream/isl.git] / isl_ast_build_private.h

diff --git a/isl_ast_build_private.h b/isl_ast_build_private.h
index 0ee88c5..5881eff 100644 (file)
--- a/isl_ast_build_private.h
+++ b/isl_ast_build_private.h
@@ -98,6 +98,12 @@ enum isl_ast_build_domain_type {
  * an element of the domain.  Each of these nodes is a user node
  * with as expression a call expression.
  *
+ * The "before_each_for" callback is called on each for node before
+ * its children have been created.
+ *
+ * The "after_each_for" callback is called on each for node after
+ * its children have been created.
+ *
  * "executed" contains the inverse schedule at this point
  * of the AST generation.
  * It is currently only used in isl_ast_build_get_schedule, which is
@@ -131,6 +137,14 @@ struct isl_ast_build {
                __isl_keep isl_ast_build *build, void *user);
        void *at_each_domain_user;
 
+       __isl_give isl_id *(*before_each_for)(
+               __isl_keep isl_ast_build *context, void *user);
+       void *before_each_for_user;
+       __isl_give isl_ast_node *(*after_each_for)(
+               __isl_take isl_ast_node *node,
+               __isl_keep isl_ast_build *context, void *user);
+       void *after_each_for_user;
+
        __isl_give isl_ast_node *(*create_leaf)(
                __isl_take isl_ast_build *build, void *user);
        void *create_leaf_user;