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| author | Joseph Myers <joseph@codesourcery.com> | 2008-04-02 20:42:53 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2008-04-02 20:42:53 +0100 |
| commit | 93d45d9eda934cf8d9ab3e4e4c81fce9ed994a07 (patch) | |
| tree | f70286f28df6c1a7f1cb8695448540d74ba1f396 /libcpp/include/cpplib.h | |
| parent | e6b69d0e5667a210ed70b677de4778f6f50396a4 (diff) | |
| download | gcc-93d45d9eda934cf8d9ab3e4e4c81fce9ed994a07.zip gcc-93d45d9eda934cf8d9ab3e4e4c81fce9ed994a07.tar.gz gcc-93d45d9eda934cf8d9ab3e4e4c81fce9ed994a07.tar.bz2 | |
cppopts.texi (-dU): Document.
gcc:
* doc/cppopts.texi (-dU): Document.
* c-common.h (flag_dump_macros): Update comment.
* c-opts.c (handle_OPT_d): Handle -dU.
* c-ppoutput.c (macro_queue, define_queue, undef_queue,
dump_queued_macros, cb_used_define, cb_used_undef): New.
(init_pp_output): Handle -dU.
(cb_line_change): Call dump_queued_macros.
* toplev.c (decode_d_option): Accept -dU as preprocessor option.
gcc/testsuite:
* gcc.dg/cpp/cmdlne-dU-1.c, gcc.dg/cpp/cmdlne-dU-2.c,
gcc.dg/cpp/cmdlne-dU-3.c, gcc.dg/cpp/cmdlne-dU-4.c,
gcc.dg/cpp/cmdlne-dU-5.c, gcc.dg/cpp/cmdlne-dU-6.c,
gcc.dg/cpp/cmdlne-dU-7.c, gcc.dg/cpp/cmdlne-dU-8.c,
gcc.dg/cpp/cmdlne-dU-9.c, gcc.dg/cpp/cmdlne-dU-10.c,
gcc.dg/cpp/cmdlne-dU-11.c, gcc.dg/cpp/cmdlne-dU-12.c,
gcc.dg/cpp/cmdlne-dU-13.c, gcc.dg/cpp/cmdlne-dU-14.c,
gcc.dg/cpp/cmdlne-dU-15.c, gcc.dg/cpp/cmdlne-dU-16.c,
gcc.dg/cpp/cmdlne-dU-17.c, gcc.dg/cpp/cmdlne-dU-18.c,
gcc.dg/cpp/cmdlne-dU-19.c, gcc.dg/cpp/cmdlne-dU-20.c,
gcc.dg/cpp/cmdlne-dU-21.c, gcc.dg/cpp/cmdlne-dU-22.c: New tests.
libcpp:
* include/cpplib.h (struct cpp_callbacks): Add used_define,
used_undef and before_define.
(NODE_USED): Define.
* directives.c (do_define, do_undef, undefine_macros, do_ifdef,
do_ifndef, cpp_pop_definition): Handle new flag and use new
callbacks.
* expr.c (parse_defined): Handle new flag and use new callbacks.
* macro.c (enter_macro_context, _cpp_free_definition): Handle new
flag and use new callbacks.
From-SVN: r133847
Diffstat (limited to 'libcpp/include/cpplib.h')
| -rw-r--r-- | libcpp/include/cpplib.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index e205be7..84de0e0 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -480,6 +480,14 @@ struct cpp_callbacks This callback receives the translated message. */ void (*error) (cpp_reader *, int, const char *, va_list *) ATTRIBUTE_FPTR_PRINTF(3,0); + + /* Callbacks for when a macro is expanded, or tested (whether + defined or not at the time) in #ifdef, #ifndef or "defined". */ + void (*used_define) (cpp_reader *, unsigned int, cpp_hashnode *); + void (*used_undef) (cpp_reader *, unsigned int, cpp_hashnode *); + /* Called before #define and #undef or other macro definition + changes are processed. */ + void (*before_define) (cpp_reader *); }; /* Chain of directories to look for include files in. */ @@ -537,6 +545,7 @@ extern const char *progname; #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ #define NODE_DISABLED (1 << 5) /* A disabled macro. */ #define NODE_MACRO_ARG (1 << 6) /* Used during #define processing. */ +#define NODE_USED (1 << 7) /* Dumped with -dU. */ /* Different flavors of hash node. */ enum node_type |