From: Andy Lester <andy@petdance.com>
Date: Sun, 14 May 2006 23:15:18 +0000 (-0500)
Subject: refactoring out S_regoptail
X-Git-Tag: accepted/trunk/20130322.191538~17638
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9674d46a132a274aad55231acfd004cbf1e42f04;p=platform%2Fupstream%2Fperl.git

refactoring out S_regoptail
Message-ID: <20060515041518.GA15745@petdance.com>

p4raw-id: //depot/perl@28205
---

diff --git a/embed.fnc b/embed.fnc
index bab0ae5..860f3f4 100644
--- a/embed.fnc
+++ b/embed.fnc
@@ -1290,7 +1290,6 @@ ERsn	|I32	|regcurly	|NN const char *
 Es	|regnode*|reg_node	|NN struct RExC_state_t *state|U8 op
 Es	|regnode*|regpiece	|NN struct RExC_state_t *state|NN I32 *flagp
 Es	|void	|reginsert	|NN struct RExC_state_t *state|U8 op|NN regnode *opnd
-Es	|void	|regoptail	|NN const struct RExC_state_t *state|NN regnode *p|NN const regnode *val
 Es	|void	|regtail	|NN const struct RExC_state_t *state|NN regnode *p|NN const regnode *val
 EsRn	|char*	|regwhite	|NN char *p|NN const char *e
 Es	|char*	|nextchar	|NN struct RExC_state_t *state
diff --git a/embed.h b/embed.h
index 69a920b..2d1e719 100644
--- a/embed.h
+++ b/embed.h
@@ -1302,7 +1302,6 @@
 #define reg_node		S_reg_node
 #define regpiece		S_regpiece
 #define reginsert		S_reginsert
-#define regoptail		S_regoptail
 #define regtail			S_regtail
 #define regwhite		S_regwhite
 #define nextchar		S_nextchar
@@ -3464,7 +3463,6 @@
 #define reg_node(a,b)		S_reg_node(aTHX_ a,b)
 #define regpiece(a,b)		S_regpiece(aTHX_ a,b)
 #define reginsert(a,b,c)	S_reginsert(aTHX_ a,b,c)
-#define regoptail(a,b,c)	S_regoptail(aTHX_ a,b,c)
 #define regtail(a,b,c)		S_regtail(aTHX_ a,b,c)
 #define regwhite		S_regwhite
 #define nextchar(a)		S_nextchar(aTHX_ a)
diff --git a/proto.h b/proto.h
index 80063e1..cfca4d8 100644
--- a/proto.h
+++ b/proto.h
@@ -3538,11 +3538,6 @@ STATIC void	S_reginsert(pTHX_ struct RExC_state_t *state, U8 op, regnode *opnd)
 			__attribute__nonnull__(pTHX_1)
 			__attribute__nonnull__(pTHX_3);
 
-STATIC void	S_regoptail(pTHX_ const struct RExC_state_t *state, regnode *p, const regnode *val)
-			__attribute__nonnull__(pTHX_1)
-			__attribute__nonnull__(pTHX_2)
-			__attribute__nonnull__(pTHX_3);
-
 STATIC void	S_regtail(pTHX_ const struct RExC_state_t *state, regnode *p, const regnode *val)
 			__attribute__nonnull__(pTHX_1)
 			__attribute__nonnull__(pTHX_2)
diff --git a/regcomp.c b/regcomp.c
index 9dc5395..8ca5cca 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -3543,10 +3543,16 @@ S_reg(pTHX_ RExC_state_t *pRExC_state, I32 paren, I32 *flagp)
 	}
 	regtail(pRExC_state, lastbr, ender);
 
-	if (have_branch) {
+	if (have_branch && !SIZE_ONLY) {
 	    /* Hook the tails of the branches to the closing node. */
-	    for (br = ret; br != NULL; br = regnext(br)) {
-		regoptail(pRExC_state, br, ender);
+	    for (br = ret; br; br = regnext(br)) {
+		const U8 op = PL_regkind[OP(br)];
+		if (op == BRANCH) {
+		    regtail(pRExC_state, NEXTOPER(br), ender);
+		}
+		else if (op == BRANCHJ) {
+		    regtail(pRExC_state, NEXTOPER(NEXTOPER(br)), ender);
+		}
 	    }
 	}
     }
@@ -5598,27 +5604,6 @@ S_regtail(pTHX_ const RExC_state_t *pRExC_state, regnode *p, const regnode *val)
 }
 
 /*
-- regoptail - regtail on operand of first argument; nop if operandless
-*/
-/* TODO: All three parms should be const */
-STATIC void
-S_regoptail(pTHX_ const RExC_state_t *pRExC_state, regnode *p, const regnode *val)
-{
-    dVAR;
-    /* "Operandless" and "op != BRANCH" are synonymous in practice. */
-    if (p == NULL || SIZE_ONLY)
-	return;
-    if (PL_regkind[(U8)OP(p)] == BRANCH) {
-	regtail(pRExC_state, NEXTOPER(p), val);
-    }
-    else if ( PL_regkind[(U8)OP(p)] == BRANCHJ) {
-	regtail(pRExC_state, NEXTOPER(NEXTOPER(p)), val);
-    }
-    else
-	return;
-}
-
-/*
  - regcurly - a little FSA that accepts {\d+,?\d*}
  */
 STATIC I32