From ce5827c6fb5f211a937282dcbda3b857f8845a9b Mon Sep 17 00:00:00 2001 From: naruse Date: Tue, 17 Aug 2010 16:53:25 +0000 Subject: * regcomp.c: revert r26701; it introduces Bug #3681. [ruby-core:31677] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- regcomp.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) (limited to 'regcomp.c') diff --git a/regcomp.c b/regcomp.c index ef4c086242..6b03019ea5 100644 --- a/regcomp.c +++ b/regcomp.c @@ -3671,7 +3671,6 @@ setup_comb_exp_check(Node* node, int state, ScanEnv* env) #define IN_NOT (1<<1) #define IN_REPEAT (1<<2) #define IN_VAR_REPEAT (1<<3) -#define IN_LAST (1<<4) /* setup_tree does the following work. 1. check empty loop. (set qn->target_empty_info) @@ -3693,8 +3692,7 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env) { Node* prev = NULL_NODE; do { - int s = IS_NOT_NULL(NCDR(node)) ? (state & ~IN_LAST) : state; - r = setup_tree(NCAR(node), reg, s, env); + r = setup_tree(NCAR(node), reg, state, env); if (IS_NOT_NULL(prev) && r == 0) { r = next_setup(prev, NCAR(node), reg); } @@ -3825,20 +3823,6 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env) } } #endif - - if ((state & IN_LAST) != 0 && qn->greedy && IS_REPEAT_INFINITE(qn->upper)) { - /* automatic posseivation a* (at last) ==> (?>a*) */ - if (qn->lower <= 1) { - int ttype = NTYPE(qn->target); - if (IS_NODE_TYPE_SIMPLE(ttype)) { - Node* en = onig_node_new_enclose(ENCLOSE_STOP_BACKTRACK); - CHECK_NULL_RETURN_MEMERR(en); - SET_ENCLOSE_STATUS(en, NST_STOP_BT_SIMPLE_REPEAT); - swap_node(node, en); - NENCLOSE(node)->target = en; - } - } - } } break; @@ -5393,7 +5377,7 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end, reg->num_call = 0; #endif - r = setup_tree(root, reg, IN_LAST, &scan_env); + r = setup_tree(root, reg, 0, &scan_env); if (r != 0) goto err_unset; #ifdef ONIG_DEBUG_PARSE_TREE -- cgit v1.2.1