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| author | Neil Booth <neil@daikokuya.demon.co.uk> | 2002-05-06 22:53:10 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2002-05-06 22:53:10 +0000 |
| commit | a5a49440f74e957e418360804bf270a8ebc9ad8e (patch) | |
| tree | 3f56b583072218fe62c5e65ab9af8fa0eb09165a /gcc/c-common.c | |
| parent | d7ee9f9fa759ab04e844982d8818001f6ba7d4cd (diff) | |
| download | gcc-a5a49440f74e957e418360804bf270a8ebc9ad8e.zip gcc-a5a49440f74e957e418360804bf270a8ebc9ad8e.tar.gz gcc-a5a49440f74e957e418360804bf270a8ebc9ad8e.tar.bz2 | |
c-common.c (warn_multichar): New.
* c-common.c (warn_multichar): New.
(c_common_init): Set CPP's warn_multichar.
* c-common.h (warn_multichar): New.
* c-decl.c (warn_multichar): Remove.
* c-lex.c (lex_charconst): Update.
* c-tree.h (warn_multichar): Remove.
* cppexp.c (eval_token): Sign-extend charconst value.
* cppinit.c (cpp_create_reader): Set warn_multichar.
* cpplex.c (cpp_interpret_charconst): Don't sign-extend
each character. Update prototype. Sign-extend the result.
* cpplib.h: Fix conditions.
(struct cpp_options): Add new warning flag.
(cpp_interpret_charconst): Update prototype.
cp:
* Make-lang.in (decl2.o): Update.
* cp-tree.h (warn_multichar): Remove.
* decl2.c: Include c-common.h.
(warn_multichar): Remove.
doc:
* cpp.texi: Update documentation.
testsuite:
* gcc.dg/cpp/charconst-3.c: Correct tests accordingly.
From-SVN: r53240
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 72c4988b..bc4b0b9 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -201,6 +201,10 @@ int flag_short_double; int flag_short_wchar; +/* Nonzero means warn about use of multicharacter literals. */ + +int warn_multichar = 1; + /* Nonzero means warn about possible violations of sequence point rules. */ int warn_sequence_point; @@ -4307,6 +4311,8 @@ c_common_init (filename) options->int_precision = TYPE_PRECISION (integer_type_node); options->wchar_precision = TYPE_PRECISION (wchar_type_node); + options->warn_multichar = warn_multichar; + /* NULL is passed up to toplev.c and we exit quickly. */ if (flag_preprocess_only) { |