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| author | Neil Booth <neilb@earthling.net> | 2000-11-22 20:36:10 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2000-11-22 20:36:10 +0000 |
| commit | 4a5b68a2f743ff0742b64c97bb75e6ee0c3c1471 (patch) | |
| tree | 2ae21a5cad4b86f0223248b6d989593f99c8520f /gcc/cpplib.h | |
| parent | a165f034f9475245783ff7949b28ee3134bcc21a (diff) | |
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cpplex.c (trigraph_ok): Ensure we don't warn twice.
* cpplex.c (trigraph_ok): Ensure we don't warn twice.
* cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
From-SVN: r37669
Diffstat (limited to 'gcc/cpplib.h')
| -rw-r--r-- | gcc/cpplib.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 5922f94..91cca90 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -282,6 +282,10 @@ struct cpp_buffer /* Line number at line_base (above). */ unsigned int lineno; + /* Because of the way the lexer works, -Wtrigraphs can sometimes + warn twice for the same trigraph. This helps prevent that. */ + const unsigned char *last_Wtrigraphs; + /* True if we have already warned about C++ comments in this file. The warning happens only for C89 extended mode with -pedantic on, or for -Wtraditional, and only once per file (otherwise it would |