diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cppmacro.c | 1 | ||||
| -rw-r--r-- | gcc/doc/cpp.texi | 14 |
3 files changed, 11 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4387656..888d814 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (_cpp_create_definition): Leave comments off. + + * doc/cpp.texi: Update. + 2001-10-08 DJ Delorie <dj@redhat.com> * c-decl.c (grokfield): Make sure the only unnamed fields diff --git a/gcc/cppmacro.c b/gcc/cppmacro.c index 221682e..4a30831 100644 --- a/gcc/cppmacro.c +++ b/gcc/cppmacro.c @@ -1329,7 +1329,6 @@ _cpp_create_definition (pfile, node) else if (ctoken->type != CPP_EOF && !(ctoken->flags & PREV_WHITE)) cpp_pedwarn (pfile, "ISO C requires whitespace after the macro name"); - pfile->state.save_comments = ! CPP_OPTION (pfile, discard_comments); saved_cur_token = pfile->cur_token; if (macro->fun_like) diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index e8f7e9e..1d7dfd6 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -4228,15 +4228,11 @@ linemarkers. @xref{Preprocessor Output}. @item -C Do not discard comments. All comments are passed through to the output file, except for comments in processed directives, which are deleted -along with the directive. Comments appearing in the expansion list of a -macro will be preserved, and appear in place wherever the macro is -invoked. - -You should be prepared for side effects when using @option{-C}; it causes -the preprocessor to treat comments as tokens in their own right. For -example, macro redefinitions that were trivial when comments were -replaced by a single space might become significant when comments are -retained. Also, comments appearing at the start of what would be a +along with the directive. + +You should be prepared for side effects when using @option{-C}; it +causes the preprocessor to treat comments as tokens in their own right. +For example, comments appearing at the start of what would be a directive line have the effect of turning that line into an ordinary source line, since the first token on the line is no longer a @samp{#}. |