diff options
| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-07-08 16:18:49 +0000 |
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| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-07-08 16:18:49 +0000 |
| commit | 71fd77c9b4b3398097c48d6c1d3be7296d670f89 (patch) | |
| tree | ca77b69e8b4f032f1066c6a31847233f9db7f8e5 /libcpp | |
| parent | 313793ac30b7208dfb273ab1823bed6b0c20deb4 (diff) | |
| download | gcc-71fd77c9b4b3398097c48d6c1d3be7296d670f89.tar.gz | |
2008-07-08 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk r137620
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@137632 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/ChangeLog | 6 | ||||
| -rw-r--r-- | libcpp/macro.c | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 7f069414f7e..2d29a309566 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,9 @@ +2008-06-13 Andrew Haley <aph@redhat.com> + + PR preprocessor/33305 + * macro.c (replace_args): Print a warning for empty macro + arguments in C89 and C++. + 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. diff --git a/libcpp/macro.c b/libcpp/macro.c index 016754bc952..edc2856551a 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -1009,6 +1009,17 @@ replace_args (cpp_reader *pfile, cpp_hashnode *node, cpp_macro *macro, macro_arg if (src->flags & PASTE_LEFT) paste_flag = dest - 1; } + else if (CPP_PEDANTIC (pfile) && ! macro->syshdr + && ! CPP_OPTION (pfile, c99) + && ! cpp_in_system_header (pfile)) + { + cpp_error (pfile, CPP_DL_PEDWARN, + "invoking macro %s argument %d: " + "empty macro arguments are undefined" + " in ISO C90 and ISO C++98", + NODE_NAME (node), + src->val.arg_no); + } /* Avoid paste on RHS (even case count == 0). */ if (!pfile->state.in_directive && !(src->flags & PASTE_LEFT)) |