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| author | Tom Tromey <tromey@redhat.com> | 2007-01-04 15:32:26 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2007-01-04 15:32:26 +0000 |
| commit | 705e2d28a1c830064e0bc77fd7e37f7e73b01516 (patch) | |
| tree | b221eae7c64169c5383839dda76552523ac6432e /libcpp | |
| parent | 79e6eaeb8f4c9f54c97425ec9c103378691a7099 (diff) | |
| download | gcc-705e2d28a1c830064e0bc77fd7e37f7e73b01516.zip gcc-705e2d28a1c830064e0bc77fd7e37f7e73b01516.tar.gz gcc-705e2d28a1c830064e0bc77fd7e37f7e73b01516.tar.bz2 | |
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
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/ChangeLog | 8 | ||||
| -rw-r--r-- | libcpp/directives.c | 11 | ||||
| -rw-r--r-- | libcpp/internal.h | 9 |
3 files changed, 21 insertions, 7 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 96c5140..072c6aa 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -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 diff --git a/libcpp/directives.c b/libcpp/directives.c index 7fb142e..2ef914a 100644 --- a/libcpp/directives.c +++ b/libcpp/directives.c @@ -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 diff --git a/libcpp/internal.h b/libcpp/internal.h index 857bfe1..20f4235 100644 --- a/libcpp/internal.h +++ b/libcpp/internal.h @@ -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); |