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cpplib.h (cpp_define_formatted): New.

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2008-04-22  Daniel Franke  <franke.daniel@gmail.com>

        * include/cpplib.h (cpp_define_formatted): New.
        * directives.c (cpp_define_formatted): New.

From-SVN: r134564
This commit is contained in:
Daniel Franke 2008-04-22 14:04:32 -04:00 committed by Daniel Franke
parent 6ca1c37cdb
commit 28f6862553
3 changed files with 32 additions and 5 deletions
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5
libcpp/ChangeLog
View File

@ -1,3 +1,8 @@
2008-04-22 Daniel Franke <franke.daniel@gmail.com>
* include/cpplib.h (cpp_define_formatted): New.
* directives.c (cpp_define_formatted): New.
2008-04-21 Tom Tromey <tromey@redhat.com>
PR libcpp/33415:

20
libcpp/directives.c
View File

@ -2123,6 +2123,26 @@ cpp_define (cpp_reader *pfile, const char *str)
run_directive (pfile, T_DEFINE, buf, count);
}
/* Use to build macros to be run through cpp_define() as
described above.
Example: cpp_define_formatted (pfile, "MACRO=%d", value); */
void
cpp_define_formatted (cpp_reader *pfile, const char *fmt, ...)
{
char *ptr = NULL;
va_list ap;
va_start (ap, fmt);
vasprintf (&ptr, fmt, ap);
va_end (ap);
cpp_define (pfile, ptr);
free (ptr);
}
/* Slight variant of the above for use by initialize_builtins. */
void
_cpp_define_builtin (cpp_reader *pfile, const char *str)

12
libcpp/include/cpplib.h
View File

@ -730,6 +730,8 @@ extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t);
/* Used to register macros and assertions, perhaps from the command line.
The text is the same as the command line argument. */
extern void cpp_define (cpp_reader *, const char *);
extern void cpp_define_formatted (cpp_reader *pfile,
const char *fmt, ...) ATTRIBUTE_PRINTF_2;
extern void cpp_assert (cpp_reader *, const char *);
extern void cpp_undef (cpp_reader *, const char *);
extern void cpp_unassert (cpp_reader *, const char *);
@ -838,7 +840,7 @@ extern void cpp_errno (cpp_reader *, int, const char *msgid);
extern void cpp_error_with_line (cpp_reader *, int, source_location, unsigned,
const char *msgid, ...) ATTRIBUTE_PRINTF_5;
/* In cpplex.c */
/* In lex.c */
extern int cpp_ideq (const cpp_token *, const char *);
extern void cpp_output_line (cpp_reader *, FILE *);
extern void cpp_output_token (const cpp_token *, FILE *);
@ -851,7 +853,7 @@ extern const char *cpp_type2name (enum cpp_ttype);
extern cppchar_t cpp_parse_escape (cpp_reader *, const unsigned char ** pstr,
const unsigned char *limit, int wide);
/* In cpphash.c */
/* In hash.c */
/* Lookup an identifier in the hashtable. Puts the identifier in the
table if it is not already there. */
@ -861,13 +863,13 @@ extern cpp_hashnode *cpp_lookup (cpp_reader *, const unsigned char *,
typedef int (*cpp_cb) (cpp_reader *, cpp_hashnode *, void *);
extern void cpp_forall_identifiers (cpp_reader *, cpp_cb, void *);
/* In cppmacro.c */
/* In macro.c */
extern void cpp_scan_nooutput (cpp_reader *);
extern int cpp_sys_macro_p (cpp_reader *);
extern unsigned char *cpp_quote_string (unsigned char *, const unsigned char *,
unsigned int);
/* In cppfiles.c */
/* In files.c */
extern bool cpp_included (cpp_reader *, const char *);
extern bool cpp_included_before (cpp_reader *, const char *, source_location);
extern void cpp_make_system_header (cpp_reader *, int, int);
@ -880,7 +882,7 @@ extern struct _cpp_file *cpp_get_file (cpp_buffer *);
extern cpp_buffer *cpp_get_prev (cpp_buffer *);
extern void cpp_clear_file_cache (cpp_reader *);
/* In cpppch.c */
/* In pch.c */
struct save_macro_data;
extern int cpp_save_state (cpp_reader *, FILE *);
extern int cpp_write_pch_deps (cpp_reader *, FILE *);