From 4c3a8340729ab239a926a5263f711fc20a0e2468 Mon Sep 17 00:00:00 2001
From: SADAHIRO Tomoyuki <BQW10602@nifty.com>
Date: Fri, 12 Aug 2005 09:20:39 +0900
Subject: [PATCH] Re: Transliteration operator(tr//)on EBCDIC platform
 Message-Id: <20050812001541.EA69.BQW10602@nifty.com>

p4raw-id: //depot/perl@25303
---
 t/op/tr.t |  7 ++-----
 toke.c    | 18 ++++++++++++++++--
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/t/op/tr.t b/t/op/tr.t
index b3661a4..2a3d29c 100755
--- a/t/op/tr.t
+++ b/t/op/tr.t
@@ -295,18 +295,15 @@ is($a, "X");
 # (i-j, r-s, I-J, R-S), [\x89-\x91] [\xc9-\xd1] has to match them,
 # from Karsten Sperling.
 
-# Not working in EBCDIC as of 12674.
 $c = ($a = "\x89\x8a\x8b\x8c\x8d\x8f\x90\x91") =~ tr/\x89-\x91/X/;
 is($c, 8);
 is($a, "XXXXXXXX");
-   
-# Not working in EBCDIC as of 12674.
+
 $c = ($a = "\xc9\xca\xcb\xcc\xcd\xcf\xd0\xd1") =~ tr/\xc9-\xd1/X/;
 is($c, 8);
 is($a, "XXXXXXXX");
 
-
-SKIP: {   
+SKIP: {
     skip "not EBCDIC", 4 unless $Is_EBCDIC;
 
     $c = ($a = "\x89\x8a\x8b\x8c\x8d\x8f\x90\x91") =~ tr/i-j/X/;
diff --git a/toke.c b/toke.c
index 19bac4f..1b16de0 100644
--- a/toke.c
+++ b/toke.c
@@ -1368,6 +1368,9 @@ S_scan_const(pTHX_ char *start)
     I32  has_utf8 = FALSE;			/* Output constant is UTF8 */
     I32  this_utf8 = UTF;			/* The source string is assumed to be UTF8 */
     UV uv;
+#ifdef EBCDIC
+    UV literal_endpoint = 0;
+#endif
 
     const char *leaveit =	/* set of acceptably-backslashed characters */
 	PL_lex_inpat
@@ -1417,8 +1420,9 @@ S_scan_const(pTHX_ char *start)
                 }
 
 #ifdef EBCDIC
-		if ((isLOWER(min) && isLOWER(max)) ||
-		    (isUPPER(min) && isUPPER(max))) {
+		if (literal_endpoint == 2 &&
+		    ((isLOWER(min) && isLOWER(max)) ||
+		     (isUPPER(min) && isUPPER(max)))) {
 		    if (isLOWER(min)) {
 			for (i = min; i <= max; i++)
 			    if (isLOWER(i))
@@ -1437,6 +1441,9 @@ S_scan_const(pTHX_ char *start)
 		/* mark the range as done, and continue */
 		dorange = FALSE;
 		didrange = TRUE;
+#ifdef EBCDIC
+		literal_endpoint = 0;
+#endif
 		continue;
 	    }
 
@@ -1455,6 +1462,9 @@ S_scan_const(pTHX_ char *start)
 	    }
 	    else {
 		didrange = FALSE;
+#ifdef EBCDIC
+		literal_endpoint = 0;
+#endif
 	    }
 	}
 
@@ -1788,6 +1798,10 @@ S_scan_const(pTHX_ char *start)
 	    s++;
 	    continue;
 	} /* end if (backslash) */
+#ifdef EBCDIC
+	else
+	    literal_endpoint++;
+#endif
 
     default_action:
 	/* If we started with encoded form, or already know we want it
-- 
2.7.4