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re PR preprocessor/28165 (_Pragma GCC system_header broken) 

libcpp
	PR preprocessor/28165:
	* internal.h (cpp_in_primary_file): New function.
	* directives.c (do_include_next): Use cpp_in_primary_file.
	(do_pragma_once): Likewise.
	(do_pragma_system_header): Likewise.
gcc/testsuite
	PR preprocessor/28165:
	* gcc.dg/cpp/pr28165.c: New file.

From-SVN: r120441
This commit is contained in:
Tom Tromey 2007-01-04 15:32:26 +00:00 committed by Tom Tromey
parent 79e6eaeb8f
commit 705e2d28a1
5 changed files with 32 additions and 7 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-01-04 Tom Tromey <tromey@redhat.com>
PR preprocessor/28165:
* gcc.dg/cpp/pr28165.c: New file.
2007-01-03 Josh Conner <jconner@apple.com>
PR middle-end/29683

6
gcc/testsuite/gcc.dg/cpp/pr28165.c Normal file
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@ -0,0 +1,6 @@
/* Copyright (C) 2007 Free Software Foundation, Inc. */
/* PR preprocessor/28165 */
/* { dg-do preprocess } */
#pragma GCC system_header /* { dg-warning "system_header" "ignored" } */
_Pragma ("GCC system_header") /* { dg-warning "system_header" "ignored" } */

8
libcpp/ChangeLog
View File

@ -1,3 +1,11 @@
2007-01-04 Tom Tromey <tromey@redhat.com>
PR preprocessor/28165:
* internal.h (cpp_in_primary_file): New function.
* directives.c (do_include_next): Use cpp_in_primary_file.
(do_pragma_once): Likewise.
(do_pragma_system_header): Likewise.
2006-12-29 Ian Lance Taylor <iant@google.com>
* lex.c (_cpp_clean_line): Add uses of __builtin_expect. Don't

11
libcpp/directives.c
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@ -1,6 +1,7 @@
/* CPP Library. (Directive handling.)
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
1999, 2000, 2001, 2002, 2003, 2004, 2005,
2007 Free Software Foundation, Inc.
Contributed by Per Bothner, 1994-95.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
@ -772,7 +773,7 @@ do_include_next (cpp_reader *pfile)
/* If this is the primary source file, warn and use the normal
search logic. */
if (! pfile->buffer->prev)
if (cpp_in_primary_file (pfile))
{
cpp_error (pfile, CPP_DL_WARNING,
"#include_next in primary source file");
@ -1346,7 +1347,7 @@ do_pragma (cpp_reader *pfile)
static void
do_pragma_once (cpp_reader *pfile)
{
if (pfile->buffer->prev == NULL)
if (cpp_in_primary_file (pfile))
cpp_error (pfile, CPP_DL_WARNING, "#pragma once in main file");
check_eol (pfile);
@ -1396,9 +1397,7 @@ do_pragma_poison (cpp_reader *pfile)
static void
do_pragma_system_header (cpp_reader *pfile)
{
cpp_buffer *buffer = pfile->buffer;
if (buffer->prev == 0)
if (cpp_in_primary_file (pfile))
cpp_error (pfile, CPP_DL_WARNING,
"#pragma system_header ignored outside include file");
else

9
libcpp/internal.h
View File

@ -1,5 +1,5 @@
/* Part of CPP library.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
@ -488,6 +488,13 @@ cpp_in_system_header (cpp_reader *pfile)
#define CPP_PEDANTIC(PF) CPP_OPTION (PF, pedantic)
#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
static inline int cpp_in_primary_file (cpp_reader *);
static inline int
cpp_in_primary_file (cpp_reader *pfile)
{
return pfile->line_table->depth == 1;
}
/* In errors.c */
extern int _cpp_begin_message (cpp_reader *, int,
source_location, unsigned int);