__FUNCTION__ is only available under GNU C, else __FILE__ is used

[libfirm] / ir / ir / irgwalk.h

diff --git a/ir/ir/irgwalk.h b/ir/ir/irgwalk.h
index 71f6ee7..3db617c 100644 (file)
--- a/ir/ir/irgwalk.h
+++ b/ir/ir/irgwalk.h
@@ -1,14 +1,14 @@
 /* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Author: Boris Boesler
-**
-** traverse an ir graph
-** - execute the pre function before recursion
-** - execute the post function after recursion
-**
-** Uses current_ir_graph (from irgraph.h)!!! Set it to the proper
-** graph before starting the walker.
+* All rights reserved.
+*
+* Author: Boris Boesler
+*
+* traverse an ir graph
+* - execute the pre function before recursion
+* - execute the post function after recursion
+*
+* Uses current_ir_graph (from irgraph.h)!!! Set it to the proper
+* graph before starting the walker.
 */
 
 /* $Id$ */
@@ -19,7 +19,16 @@
 # include "irnode.h"
 
 /* type of callback function for ir_graph walk */
-typedef void (* irg_walk_func)(ir_node *, void *);
+#ifndef _IRG_WALK_FUNC_TYPEDEF_
+#define _IRG_WALK_FUNC_TYPEDEF_
+typedef void (irg_walk_func)(ir_node *, void *);
+#endif
+
+/* Allocates some necessary datastructures. */
+void init_ip_walk(void);
+
+/* Frees some necessary datastructures. */
+void finish_ip_walk(void);
 
 /* Walks over the ir graph, starting at the node given as first argument.
    Executes pre before visiting the predecessor of a node, post after.
@@ -28,36 +37,36 @@ typedef void (* irg_walk_func)(ir_node *, void *);
    flag.  It marks the node as visited before executing pre.
    The void* env can be used to pass status information between the
    pre and post functions.  */
-void irg_walk(ir_node *node, irg_walk_func pre, irg_walk_func post, void *env);
+void irg_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void *env);
 
 /* Like "irg_walk", but walks over all reachable nodes in the ir
  * graph, starting at the end operation. During the walk current_ir_graph
  * is set to irg. */
-void irg_walk_graph(ir_graph *irg, irg_walk_func pre, irg_walk_func post, void *env);
+void irg_walk_graph(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *env);
 
 /* Executes irg_walk(end, pre, post, env) for all irgraphs in irprog.
    Sets current_ir_graph properly for each walk.  Conserves current
    current_ir_graph.  In interprocedural view nodes can be visited several
    times. */
-void all_irg_walk(irg_walk_func pre, irg_walk_func post, void *env);
+void all_irg_walk(irg_walk_func *pre, irg_walk_func *post, void *env);
 
 /* Walks all irgs in interprocedural view.  Visits each node only once.
    Sets current_ir_graph properly. */
-void cg_walk(irg_walk_func pre, irg_walk_func post, void *env);
+void cg_walk(irg_walk_func *pre, irg_walk_func *post, void *env);
 
 /* Walks only over Block nodes in the graph.  Has it's own visited
    flag, so that it can be interleaved with the other walker.
    If a none block is passed, starts at the block this node belongs to.
    If end is passed also visites kept alive blocks. */
-void irg_block_walk(ir_node *node, irg_walk_func pre, irg_walk_func post, void *env);
+void irg_block_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void *env);
 
 /* Like "irg_block_walk", but walks over all reachable blocks in the
  * ir graph, starting at the end block. */
-void irg_block_walk_graph(ir_graph *irg, irg_walk_func pre, irg_walk_func post, void *env);
+void irg_block_walk_graph(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *env);
 
 /* Walks over all code in const_code_irg.
    Uses visited flag in const_code_irg. */
-void walk_const_code(irg_walk_func pre, irg_walk_func post, void *env);
+void walk_const_code(irg_walk_func *pre, irg_walk_func *post, void *env);
 
 
 # endif /* _IRGWALK_H_ */