Tidy up some more Pod nits.

[p5sagit/p5-mst-13.2.git] / toke.c

diff --git a/toke.c b/toke.c
index 885027e..734c516 100644 (file)
--- a/toke.c
+++ b/toke.c
@@ -3999,7 +3999,14 @@ Perl_yylex(pTHX)
                        const char *d1 = d;
 
                        do {
-                           if (*d1 == 'M' || *d1 == 'm' || *d1 == 'C') {
+                           bool baduni = FALSE;
+                           if (*d1 == 'C') {
+                               const char *d2 = d1 + 1;
+                               if (parse_unicode_opts((const char **)&d2)
+                                   != PL_unicode)
+                                   baduni = TRUE;
+                           }
+                           if (baduni || *d1 == 'M' || *d1 == 'm') {
                                const char * const m = d1;
                                while (*d1 && !isSPACE(*d1))
                                    d1++;
@@ -5271,14 +5278,17 @@ Perl_yylex(pTHX)
        /* Is this a label? */
        if (!tmp && PL_expect == XSTATE
              && d < PL_bufend && *d == ':' && *(d + 1) != ':') {
+           tmp = keyword(PL_tokenbuf, len, 0);
+           if (tmp)
+               Perl_croak(aTHX_ "Can't use keyword '%s' as a label", PL_tokenbuf);
            s = d + 1;
            pl_yylval.pval = CopLABEL_alloc(PL_tokenbuf);
            CLINE;
            TOKEN(LABEL);
        }
-
-       /* Check for keywords */
-       tmp = keyword(PL_tokenbuf, len, 0);
+       else
+           /* Check for keywords */
+           tmp = keyword(PL_tokenbuf, len, 0);
 
        /* Is this a word before a => operator? */
        if (*d == '=' && d[1] == '>') {
@@ -5689,10 +5699,22 @@ Perl_yylex(pTHX)
 
                /* Call it a bare word */
 
-               bareword:
                if (PL_hints & HINT_STRICT_SUBS)
                    pl_yylval.opval->op_private |= OPpCONST_STRICT;
                else {
+               bareword:
+                   /* after "print" and similar functions (corresponding to
+                    * "F? L" in opcode.pl), whatever wasn't already parsed as
+                    * a filehandle should be subject to "strict subs".
+                    * Likewise for the optional indirect-object argument to system
+                    * or exec, which can't be a bareword */
+                   if ((PL_last_lop_op == OP_PRINT
+                           || PL_last_lop_op == OP_PRTF
+                           || PL_last_lop_op == OP_SAY
+                           || PL_last_lop_op == OP_SYSTEM
+                           || PL_last_lop_op == OP_EXEC)
+                           && (PL_hints & HINT_STRICT_SUBS))
+                       pl_yylval.opval->op_private |= OPpCONST_STRICT;
                    if (lastchar != '-') {
                        if (ckWARN(WARN_RESERVED)) {
                            d = PL_tokenbuf;