2003-11-24 Eric Christopher <echristo@redhat.com>

	PR C/13014
	* c-decl.c (c_in_iteration_stmt, c_in_case_stmt): New.
	(start_function): Use.
	(c_push_function_context): Ditto.
	(c-pop_function_context): Ditto.
        (language_function): Move...
	* c-tree.h: ... here. Add x_in_iteration_stmt, and
	x_in_case_stmt.
	* c-parse.in (do_stmt_start, select_or_iter_stmt, stmt): Use
	c_in_iteration_stmt, c_in_case_stmt for parser state. Move
	check for valid break or continue statment here...
	* c-semantics.c (genrtl_break_stmt, genrtl_continue_stmt): From
	here. Change original errors to abort.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73887 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 20 insertions, 4 deletions

diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index 3ba495395b2..f04e7b4edfa 100644
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -44,12 +44,12 @@ struct lang_identifier GTY(())
 
 /* The resulting tree type.  */
 
-union lang_tree_node 
+union lang_tree_node
   GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
        chain_next ("TREE_CODE (&%h.generic) == INTEGER_TYPE ? (union lang_tree_node *)TYPE_NEXT_VARIANT (&%h.generic) : (union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
 {
-  union tree_node GTY ((tag ("0"), 
-			desc ("tree_node_structure (&%h)"))) 
+  union tree_node GTY ((tag ("0"),
+			desc ("tree_node_structure (&%h)")))
     generic;
   struct lang_identifier GTY ((tag ("1"))) identifier;
 };
@@ -106,7 +106,7 @@ struct lang_decl GTY(())
 /* In a RECORD_TYPE, a sorted array of the fields of the type.  */
 struct lang_type GTY(())
 {
-  struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s; 
+  struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s;
 };
 
 /* Record whether a type or decl was written with nonconstant size.
@@ -152,6 +152,22 @@ struct lang_type GTY(())
 #define KEEP_YES	1
 #define KEEP_MAYBE	2
 
+/* Save and restore the variables in this file and elsewhere
+   that keep track of the progress of compilation of the current function.
+   Used for nested functions.  */
+
+struct language_function GTY(())
+{
+  struct c_language_function base;
+  int returns_value;
+  int returns_null;
+  int returns_abnormally;
+  int warn_about_return_type;
+  int extern_inline;
+  int x_in_iteration_stmt;
+  int x_in_case_stmt;
+};
+
 
 /* in c-parse.in */
 extern void c_parse_init (void);