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| author | Neil Booth <neilb@earthling.net> | 2000-10-30 22:29:00 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2000-10-30 22:29:00 +0000 |
| commit | a5c3cccda43ddeaa0e90df75f74c230dea0ad579 (patch) | |
| tree | aea40a1085df8546a232c08b4db9f87353674441 /gcc/cpplib.h | |
| parent | dbdaea4110d5c97ba1addef900516eea7846a2c0 (diff) | |
| download | gcc-a5c3cccda43ddeaa0e90df75f74c230dea0ad579.zip gcc-a5c3cccda43ddeaa0e90df75f74c230dea0ad579.tar.gz gcc-a5c3cccda43ddeaa0e90df75f74c230dea0ad579.tar.bz2 | |
cppfiles.c (stack_include_file): Check for stacked contexts here.
* cppfiles.c (stack_include_file): Check for stacked contexts
here.
* cpphash.h (_cpp_do__Pragma): New prototype.
* cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
* cpplex.c (skip_escaped_newlines): Only process trigraphs and
escaped newlines if !(buffer->from_stage3).
(_cpp_lex_token): Warn about missing newlines iff
!buffer->from_stage3.
* cpplib.c (get__Pragma_string, destringize,
_cpp_do__Pragma): New functions.
(run_directive): Set output_line for _Pragma to avoid line
markers in output. Set from_stage3 and prevent macro expansion
for _Pragma and command-line options. Check buffer exhaustion.
(cpp_push_buffer): Don't check for stacked macro contexts, as
this is perfectly legitimate for _Pragma. Move the check to
stack_include_file instead. Set from_stage3 iff buffer is
preprocessed input.
* cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
unsigned. New boolean from_stage3.
(struct spec_nodes): Add n__Pragma.
* cppmacro.c (enter_macro_context): Flip sense of return value.
(_cpp_get_token): Handle _Pragma operator.
From-SVN: r37147
Diffstat (limited to 'gcc/cpplib.h')
| -rw-r--r-- | gcc/cpplib.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 747ff18..de7a1a5 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -287,7 +287,12 @@ struct cpp_buffer The warning happens only for C89 extended mode with -pedantic on, or for -Wtraditional, and only once per file (otherwise it would be far too noisy). */ - char warned_cplusplus_comments; + unsigned char warned_cplusplus_comments; + + /* True if we don't process trigraphs and escaped newlines. True + for preprocessed input, command line directives, and _Pragma + buffers. */ + unsigned char from_stage3; }; /* Maximum nesting of cpp_buffers. We use a static limit, partly for @@ -509,6 +514,7 @@ struct spec_nodes { cpp_hashnode *n_L; /* L"str" */ cpp_hashnode *n_defined; /* defined operator */ + cpp_hashnode *n__Pragma; /* _Pragma operator */ cpp_hashnode *n__STRICT_ANSI__; /* STDC_0_IN_SYSTEM_HEADERS */ cpp_hashnode *n__CHAR_UNSIGNED__; /* plain char is unsigned */ cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */ |