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| author | Zack Weinberg <zack@wolery.cumb.org> | 2000-04-22 23:02:08 +0000 |
|---|---|---|
| committer | Zack Weinberg <zack@gcc.gnu.org> | 2000-04-22 23:02:08 +0000 |
| commit | 0f89df67fc5dbad0e6eb068f6facc4cbb0342c0d (patch) | |
| tree | ce631ea761f6a054491332ece44f6ba0154f01b3 /gcc/cpplib.c | |
| parent | 4ff812cd3f08389d68aa257bbfa9baaf9dbda2cc (diff) | |
| download | gcc-0f89df67fc5dbad0e6eb068f6facc4cbb0342c0d.zip gcc-0f89df67fc5dbad0e6eb068f6facc4cbb0342c0d.tar.gz gcc-0f89df67fc5dbad0e6eb068f6facc4cbb0342c0d.tar.bz2 | |
cpphash.c (trad_stringify, add_pat): New functions.
* cpphash.c (trad_stringify, add_pat): New functions.
(collect_expansion): Restore support for -traditional syntax.
Use trad_stringify and add_pat.
(_cpp_macroexpand): Restore support for -traditional semantics.
* cpplex.c (_cpp_scan_line): Don't change space_before if we
get a COMMENT token.
(_cpp_lex_token): Provide COMMENT tokens to caller if
traditional and parsing_define_directive.
(skip_comment): Warn about // comments if -Wtraditional.
* cpplib.c (do_define): Fix typo. Create EMPTY nodes with
proper node type.
(do_undef): Don't warn about undefining EMPTY nodes.
From-SVN: r33350
Diffstat (limited to 'gcc/cpplib.c')
| -rw-r--r-- | gcc/cpplib.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c index f881584..7f2554b 100644 --- a/gcc/cpplib.c +++ b/gcc/cpplib.c @@ -352,7 +352,7 @@ do_define (pfile) if (list->tokens_used == 2 && list->tokens[1].type == CPP_VSPACE) - empty = 0; /* Empty definition of object-like macro. */ + empty = 1; /* Empty definition of object-like macro. */ /* If the next character, with no intervening whitespace, is '(', then this is a function-like macro. Otherwise it is an object- @@ -425,7 +425,8 @@ do_define (pfile) } else { - HASHNODE *hp = _cpp_make_hashnode (sym, len, T_MACRO, hash); + HASHNODE *hp = _cpp_make_hashnode (sym, len, empty ? T_EMPTY : T_MACRO, + hash); hp->value.defn = def; *slot = hp; } @@ -768,7 +769,7 @@ do_undef (pfile) if (CPP_OPTION (pfile, debug_output)) pass_thru_directive (hp->name, len, pfile, T_UNDEF); - if (hp->type != T_MACRO) + if (hp->type != T_MACRO && hp->type != T_EMPTY) cpp_warning (pfile, "undefining `%s'", hp->name); htab_clear_slot (pfile->hashtab, (void **)slot); |