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cppinit.c (cpp_finish): Pop the final buffer without comment. 

* cppinit.c (cpp_finish): Pop the final buffer without comment.
	* cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
	take care to avoid multiple no-newline at EOF warnings in that
	case.

From-SVN: r44701
This commit is contained in:
Neil Booth 2001-08-07 20:37:26 +00:00 committed by Neil Booth
parent 570a98eb7c
commit 7364fdd8e0
3 changed files with 25 additions and 12 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
* cppinit.c (cpp_finish): Pop the final buffer without comment.
* cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
take care to avoid multiple no-newline at EOF warnings in that
case.
Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
* calls.c (expand_call): Do not emit INSN_SETJMP note.

13
gcc/cppinit.c
View File

@ -1010,12 +1010,13 @@ void
cpp_finish (pfile)
cpp_reader *pfile;
{
if (CPP_BUFFER (pfile))
{
cpp_ice (pfile, "buffers still stacked in cpp_finish");
while (CPP_BUFFER (pfile))
_cpp_pop_buffer (pfile);
}
/* cpplex.c leaves the final buffer on the stack. This it so that
it returns an unending stream of CPP_EOFs to the client. If we
popped the buffer, we'd derefence a NULL buffer pointer and
segfault. It's nice to allow the client to do worry-free excess
cpp_get_token calls. */
while (pfile->buffer)
_cpp_pop_buffer (pfile);
/* Don't write the deps file if preprocessing has failed. */
if (CPP_OPTION (pfile, print_deps) && pfile->errors == 0)

17
gcc/cpplex.c
View File

@ -897,21 +897,26 @@ _cpp_lex_token (pfile, result)
pfile->line--;
else if (! pfile->state.parsing_args)
{
unsigned char ret = pfile->buffer->return_at_eof;
/* Non-empty files should end in a newline. Don't warn for
command line and _Pragma buffers. */
if (pfile->lexer_pos.col != 0)
{
/* Account for the missing \n. */
/* Account for the missing \n, prevent multiple warnings. */
pfile->line++;
pfile->lexer_pos.col = 0;
if (!buffer->from_stage3)
cpp_pedwarn (pfile, "no newline at end of file");
}
_cpp_pop_buffer (pfile);
if (pfile->buffer && !ret)
goto next_token;
/* Don't pop the last file. */
if (buffer->prev)
{
unsigned char stop = buffer->return_at_eof;
_cpp_pop_buffer (pfile);
if (!stop)
goto next_token;
}
}
result->type = CPP_EOF;
return;