From 252bac7d299094e44f1d0aedffb67034d601ad04 Mon Sep 17 00:00:00 2001 From: wl Date: Mon, 7 Jan 2013 06:11:55 +0000 Subject: [eqn] Handle border cases of `delim on' and `delim off'. * src/preproc/eqn/lex.cpp (do_delim): Handle multiple sequences of `delim on' gracefully (ditto for `delim off'). --- src/preproc/eqn/lex.cpp | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/preproc/eqn/lex.cpp b/src/preproc/eqn/lex.cpp index 899ecaeb..ed8930f5 100644 --- a/src/preproc/eqn/lex.cpp +++ b/src/preproc/eqn/lex.cpp @@ -1071,13 +1071,17 @@ void do_delim() else { if (c == 'o' && d == 'f' && peek_char() == 'f') { (void)get_char(); - start_delim_saved = start_delim; - end_delim_saved = end_delim; + if (start_delim) + start_delim_saved = start_delim; + if (end_delim) + end_delim_saved = end_delim; start_delim = end_delim = '\0'; } else if (c == 'o' && d == 'n' && !compatible_flag) { - start_delim = start_delim_saved; - end_delim = end_delim_saved; + if (start_delim_saved) + start_delim = start_delim_saved; + if (end_delim_saved) + end_delim = end_delim_saved; } else { start_delim = c; -- cgit v1.2.1