diff options
author | aj <aj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-29 16:21:58 +0000 |
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committer | aj <aj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-29 16:21:58 +0000 |
commit | 35cb52328130204135957d24fa9d6df39585ca64 (patch) | |
tree | d12a59c660881801d6279dba52e7bd166ec393fb /gcc/et-forest.h | |
parent | 8ec3a57be60a7500b15d2fa3ad8d530f15019064 (diff) | |
download | gcc-35cb52328130204135957d24fa9d6df39585ca64.tar.gz |
* except.c: Convert prototypes to ISO C90.
* except.h: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* et-forest.h: Likewise.
* except.c: Likewise.
* explow.c: Likewise.
* expmed.c: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68674 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/et-forest.h')
-rw-r--r-- | gcc/et-forest.h | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/gcc/et-forest.h b/gcc/et-forest.h index 8ef8e30b494..b4ac5500ca8 100644 --- a/gcc/et-forest.h +++ b/gcc/et-forest.h @@ -1,5 +1,5 @@ -/* Et-forest data structure implementation. - Copyright (C) 2002 Free Software Foundation, Inc. +/* Et-forest data structure implementation. + Copyright (C) 2002, 2003 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -15,32 +15,32 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* This package implements ET forest data structure. Each tree in +/* This package implements ET forest data structure. Each tree in the structure maintains a tree structure and offers logarithmic time for tree operations (insertion and removal of nodes and edges) and poly-logarithmic time for nearest common ancestor. - - ET tree strores its structue as a sequence of symbols obtained + + ET tree strores its structue as a sequence of symbols obtained by dfs(root) - dfs (node) + dfs (node) { s = node; for each child c of node do s = concat (s, c, node); return s; } - + For example for tree - + 1 / | \ 2 3 4 / | 4 5 - + the sequence is 1 2 4 2 5 3 1 3 1 4 1. - + The sequence is stored in a sligtly modified splay tree. In order to support various types of node values, a hashtable is used to convert node values to the internal representation. */ @@ -58,23 +58,23 @@ extern "C" { typedef struct et_forest *et_forest_t; typedef struct et_forest_node *et_forest_node_t; -extern et_forest_t et_forest_create PARAMS ((void)); - -extern void et_forest_delete PARAMS ((et_forest_t)); - -extern et_forest_node_t et_forest_add_node PARAMS ((et_forest_t, void *)); -extern int et_forest_add_edge PARAMS ((et_forest_t, et_forest_node_t, - et_forest_node_t)); -extern void et_forest_remove_node PARAMS ((et_forest_t, et_forest_node_t)); -extern int et_forest_remove_edge PARAMS ((et_forest_t, et_forest_node_t, - et_forest_node_t)); -extern et_forest_node_t et_forest_parent PARAMS ((et_forest_t, et_forest_node_t)); -extern et_forest_node_t et_forest_common_ancestor PARAMS ((et_forest_t, - et_forest_node_t, - et_forest_node_t)); -extern void * et_forest_node_value PARAMS ((et_forest_t, et_forest_node_t)); -extern int et_forest_enumerate_sons PARAMS ((et_forest_t, et_forest_node_t, - et_forest_node_t *)); +extern et_forest_t et_forest_create (void); + +extern void et_forest_delete (et_forest_t); + +extern et_forest_node_t et_forest_add_node (et_forest_t, void *); +extern int et_forest_add_edge (et_forest_t, et_forest_node_t, + et_forest_node_t); +extern void et_forest_remove_node (et_forest_t, et_forest_node_t); +extern int et_forest_remove_edge (et_forest_t, et_forest_node_t, + et_forest_node_t); +extern et_forest_node_t et_forest_parent (et_forest_t, et_forest_node_t); +extern et_forest_node_t et_forest_common_ancestor (et_forest_t, + et_forest_node_t, + et_forest_node_t); +extern void * et_forest_node_value (et_forest_t, et_forest_node_t); +extern int et_forest_enumerate_sons (et_forest_t, et_forest_node_t, + et_forest_node_t *); #ifdef __cplusplus } |