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Add ability to force lexed tokens' source_locations.

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Use it to force BUILTINS_LOCATION when declaring builtins instead of creating a <built-in> entry in the line_table which is wrong.

	* c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens
	defined in cpp_init_builtins and c_cpp_builtins.

	gcc/fortran/ChangeLog
	* cpp.c (gfc_cpp_init): Force BUILTINS_LOCATION for tokens
	defined in cpp_define_builtins.

	libcpp/ChangeLog
	* init.c (cpp_create_reader): Inititalize forced_token_location_p.
	* internal.h (struct cpp_reader): Add field forced_token_location_p.
	* lex.c (_cpp_lex_direct): Use forced_token_location_p.
	(cpp_force_token_locations): New.
	(cpp_stop_forcing_token_locations): New.

From-SVN: r177973
This commit is contained in:
Gabriel Charette
2011-08-22 20:41:07 +00:00
committed by Gabriel Charette
parent c4831cff11
commit e3dfef44ef
9 changed files with 72 additions and 9 deletions
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libcpp/include/cpplib.h
+4
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@@ -989,4 +989,8 @@ extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **);
extern int cpp_read_state (cpp_reader *, const char *, FILE *,
struct save_macro_data *);
/* In lex.c */
extern void cpp_force_token_locations (cpp_reader *, source_location *);
extern void cpp_stop_forcing_token_locations (cpp_reader *);
#endif /* ! LIBCPP_CPPLIB_H */