fix parsing of here documents in C<eval 's/.../<<FOO/e'>

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

diff --git a/toke.c b/toke.c
index d6fc1b8..1a17904 100644 (file)
--- a/toke.c
+++ b/toke.c
@@ -5352,6 +5352,9 @@ scan_subst(char *start)
 
     if (es) {
        SV *repl;
+       PL_sublex_info.super_bufptr = s;
+       PL_sublex_info.super_bufend = PL_bufend;
+       PL_multi_end = 0;
        pm->op_pmflags |= PMf_EVAL;
        repl = newSVpv("",0);
        while (es-- > 0)
@@ -5541,7 +5544,33 @@ scan_heredoc(register char *s)
     PL_multi_start = PL_curcop->cop_line;
     PL_multi_open = PL_multi_close = '<';
     term = *PL_tokenbuf;
-    if (!outer) {
+    if (PL_lex_inwhat == OP_SUBST && PL_in_eval && !PL_rsfp) {
+       char *bufptr = PL_sublex_info.super_bufptr;
+       char *bufend = PL_sublex_info.super_bufend;
+       char *olds = s - SvCUR(herewas);
+       s = strchr(bufptr, '\n');
+       if (!s)
+           s = bufend;
+       d = s;
+       while (s < bufend &&
+         (*s != term || memNE(s,PL_tokenbuf,len)) ) {
+           if (*s++ == '\n')
+               PL_curcop->cop_line++;
+       }
+       if (s >= bufend) {
+           PL_curcop->cop_line = PL_multi_start;
+           missingterm(PL_tokenbuf);
+       }
+       sv_setpvn(herewas,bufptr,d-bufptr+1);
+       sv_setpvn(tmpstr,d+1,s-d);
+       s += len - 1;
+       sv_catpvn(herewas,s,bufend-s);
+       (void)strcpy(bufptr,SvPVX(herewas));
+
+       s = olds;
+       goto retval;
+    }
+    else if (!outer) {
        d = s;
        while (s < PL_bufend &&
          (*s != term || memNE(s,PL_tokenbuf,len)) ) {
@@ -5605,8 +5634,9 @@ scan_heredoc(register char *s)
            sv_catsv(tmpstr,PL_linestr);
        }
     }
-    PL_multi_end = PL_curcop->cop_line;
     s++;
+retval:
+    PL_multi_end = PL_curcop->cop_line;
     if (SvCUR(tmpstr) + 5 < SvLEN(tmpstr)) {
        SvLEN_set(tmpstr, SvCUR(tmpstr) + 1);
        Renew(SvPVX(tmpstr), SvLEN(tmpstr), char);