From c5ee2135734475fb187b41accfd390dc0b6d8a97 Mon Sep 17 00:00:00 2001
From: LAUN Wolfgang <wolfgang.laun@alcatel.at>
Date: Fri, 2 Jan 2004 12:31:46 +0100
Subject: [PATCH] Re: [perl #24774] eval + format - \n = pp_ctl.c assertion
 Message-ID: <DF27CDCBD2581D4B88431901094E4B4D02B0C4B3@attmsx1>

eval of of a truncated format should fail

p4raw-id: //depot/perl@22055
---
 t/op/write.t |  8 ++++----
 toke.c       | 17 ++++++++++++-----
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/t/op/write.t b/t/op/write.t
index 85b5f26..2e90b39 100755
--- a/t/op/write.t
+++ b/t/op/write.t
@@ -302,12 +302,12 @@ $v
 
 {
     # Bug #24774 format without trailing \n failed assertion
+    # but this must not compile because we'd get a ';' into the format
+
     my @v = ('k');
     eval "format OUT14 = \n@\n\@v";
-    open(OUT14, '>Op_write.tmp') || die "Can't create Op_write.tmp";
-    write(OUT14);
-    close OUT14 or die "Could not close: $!";
-    print "ok 14\n";
+    print $@ ? "ok 14\n" : "not ok 14\n";
+
 }
 
 #######################################
diff --git a/toke.c b/toke.c
index 3b010ec..54831e7 100644
--- a/toke.c
+++ b/toke.c
@@ -2427,8 +2427,12 @@ Perl_yylex(pTHX)
 	if (!PL_rsfp) {
 	    PL_last_uni = 0;
 	    PL_last_lop = 0;
-	    if (PL_lex_brackets)
-		yyerror("Missing right curly or square bracket");
+	    if (PL_lex_brackets) {
+ 	        if (PL_lex_formbrack)
+		    yyerror("Format not terminated");
+                else
+		    yyerror("Missing right curly or square bracket");
+	    }
             DEBUG_T( { PerlIO_printf(Perl_debug_log,
                         "### Tokener got EOF\n");
             } );
@@ -7603,6 +7607,7 @@ S_scan_formline(pTHX_ register char *s)
     register char *t;
     SV *stuff = newSVpvn("",0);
     bool needargs = FALSE;
+    bool eofmt = FALSE;
 
     while (!needargs) {
 	if (*s == '.' || *s == /*{*/'}') {
@@ -7612,8 +7617,10 @@ S_scan_formline(pTHX_ register char *s)
 #else
 	    for (t = s+1;SPACE_OR_TAB(*t) || *t == '\r'; t++) ;
 #endif
-	    if (*t == '\n' || t == PL_bufend)
+	    if (*t == '\n' || t == PL_bufend) {
+	        eofmt = TRUE;
 		break;
+            }
 	}
 	if (PL_in_eval && !PL_rsfp) {
 	    eol = strchr(s,'\n');
@@ -7653,7 +7660,6 @@ S_scan_formline(pTHX_ register char *s)
 	    PL_last_lop = PL_last_uni = Nullch;
 	    if (!s) {
 		s = PL_bufptr;
-		yyerror("Format not terminated");
 		break;
 	    }
 	}
@@ -7682,7 +7688,8 @@ S_scan_formline(pTHX_ register char *s)
     }
     else {
 	SvREFCNT_dec(stuff);
-	PL_lex_formbrack = 0;
+	if (eofmt)
+	    PL_lex_formbrack = 0;
 	PL_bufptr = s;
     }
     return s;
-- 
2.7.4