diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/ch-exp.y | 5 | ||||
| -rw-r--r-- | gdb/ch-lang.c | 2 |
3 files changed, 8 insertions, 4 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 477e03a..4009a09 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +Fri Jan 21 19:10:44 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * ch-exp.y (match_string_literal): Allow a zero-length string. + * ch-lang.c (chill_printstr): Don't print zero-length string funny. + Sat Jan 22 17:08:48 1994 Jim Kingdon (kingdon@lioth.cygnus.com) * i386aix-nat.c (i386_float_info): Reverse order of registers before diff --git a/gdb/ch-exp.y b/gdb/ch-exp.y index 59ffd3f..ebef813 100644 --- a/gdb/ch-exp.y +++ b/gdb/ch-exp.y @@ -1335,7 +1335,7 @@ match_float_literal () return (0); } -/* Recognize a string literal. A string literal is a nonzero sequence +/* Recognize a string literal. A string literal is a sequence of characters enclosed in matching single or double quotes, except that a single character inside single quotes is a character literal, which we reject as a string literal. To embed the terminator character inside @@ -1363,7 +1363,6 @@ match_string_literal () tempbuf[tempbufindex++] = *tokptr; } if (*tokptr == '\0' /* no terminator */ - || tempbufindex == 0 /* no string */ || (tempbufindex == 1 && *tokptr == '\'')) /* char literal */ { return (0); @@ -1806,7 +1805,7 @@ yylex () { case '\'': case '\"': - /* First try to match a string literal, which is any nonzero + /* First try to match a string literal, which is any sequence of characters enclosed in matching single or double quotes, except that a single character inside single quotes is a character literal, so we have to catch that case also. */ diff --git a/gdb/ch-lang.c b/gdb/ch-lang.c index 32ab878..3200982 100644 --- a/gdb/ch-lang.c +++ b/gdb/ch-lang.c @@ -95,7 +95,7 @@ chill_printstr (stream, string, length, force_ellipses) if (length == 0) { - chill_printchar ('\0', stream); + fputs_filtered ("\"\"", stream); return; } |