r127066 - in /trunk: gcc/ChangeLog gcc/c-opts.c...

[aaw at gcc dot gnu dot org]

Author: aaw
Date: Mon Jul 30 18:29:20 2007
New Revision: 127066

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=127066
Log:
	libcpp/
	* directives-only.c: New file.
	* internal.h (struct _cpp_dir_only_callbacks): New.
	(_cpp_preprocess_dir_only): New function.
	* directives.c (_cpp_handle_directive): Check directives_only before
	disabling execution of indented directives.
	* files.c (_cpp_stack_file): Add directives_only check.
	* include/cpplib.h (struct cpp_options): Add directives_only.
	(cpp_init_special_builtins): New function.
	* init.c (cpp_init_special_builtins): New function.
	(cpp_init_builtins): Move builtin_array initialization to
	cpp_init_special_builtins.
	(post_options): Check directives_only before setting
	pfile->state.prevent_expansion = 1.
	* macro.c (_cpp_builtin_macro_text): Print an error if __COUNTER__
	is expanded inside a directive while -fdirectives-only is enabled.
	* Makefile.in (libcpp_a_OBJS): Add directives-only.o.
	(libcpp_a_SOURCES): Add directives-only.c.

	gcc/
	* c-ppoutput.c (print_lines_directives_only): New function.
	(scan_translation_unit_directives_only): New function.
	(preprocess_file): Add call to scan_translation_unit_directives_only.
	* c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
	(sanitize_cpp_opts): Add default flag_dump_macros setting for
	-fdirectives-only.  Add errors for -fdirectives-only conflict with
	-Wunused-macros and -traditional.
	(finish_options): Add builtin macro initialization for
	-fdirectives-only + -fpreprocessed.
	* c.opt (fdirectives-only): New.
	* doc/cppopts.texi (fdirectives-only): New.

	gcc/testsuite/
	* gcc.dg/cpp/counter-2.c: New test.
	* gcc.dg/cpp/counter-3.c: New test.
	* gcc.dg/cpp/dir-only-1.c: New test.
	* gcc.dg/cpp/dir-only-1.h: New file.
	* gcc.dg/cpp/dir-only-2.c: New test.
	* gcc.dg/cpp/dir-only-3.c: New test.
	* gcc.dg/cpp/dir-only-3a.h: New file.
	* gcc.dg/cpp/dir-only-3b.h: New file.
	* gcc.dg/cpp/dir-only-4.c: New test.
	* gcc.dg/cpp/dir-only-5.c: New test.
	* gcc.dg/cpp/dir-only-6.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/cpp/counter-2.c
    trunk/gcc/testsuite/gcc.dg/cpp/counter-3.c
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-1.c
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-1.h
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-2.c
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-3.c
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-3a.h
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-3b.h
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-4.c
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-5.c
    trunk/gcc/testsuite/gcc.dg/cpp/dir-only-6.c
    trunk/libcpp/directives-only.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-opts.c
    trunk/gcc/c-ppoutput.c
    trunk/gcc/c.opt
    trunk/gcc/doc/cppopts.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/libcpp/ChangeLog
    trunk/libcpp/Makefile.in
    trunk/libcpp/directives.c
    trunk/libcpp/files.c
    trunk/libcpp/include/cpplib.h
    trunk/libcpp/init.c
    trunk/libcpp/internal.h
    trunk/libcpp/macro.c