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-rw-r--r--gcc/cpplex.c49
1 files changed, 32 insertions, 17 deletions
diff --git a/gcc/cpplex.c b/gcc/cpplex.c
index 4708382..b35f298 100644
--- a/gcc/cpplex.c
+++ b/gcc/cpplex.c
@@ -193,7 +193,6 @@ cpp_push_buffer (pfile, buffer, length)
new = (cpp_buffer *) xcalloc (1, sizeof (cpp_buffer));
- new->if_stack = pfile->if_stack;
new->buf = new->cur = buffer;
new->rlimit = buffer + length;
new->prev = buf;
@@ -221,7 +220,7 @@ cpp_pop_buffer (pfile)
pfile->system_include_depth--;
if (pfile->potential_control_macro)
{
- buf->ihash->control_macro = pfile->potential_control_macro;
+ buf->ihash->cmacro = pfile->potential_control_macro;
pfile->potential_control_macro = 0;
}
pfile->input_stack_listing_current = 0;
@@ -1743,6 +1742,7 @@ cpp_get_token (pfile)
{
enum cpp_ttype token;
long written = CPP_WRITTEN (pfile);
+ int macro_buffer;
get_next:
token = _cpp_lex_token (pfile);
@@ -1750,24 +1750,26 @@ cpp_get_token (pfile)
switch (token)
{
default:
+ if (pfile->skipping)
+ break;
pfile->potential_control_macro = 0;
pfile->only_seen_white = 0;
- return token;
+ break;
+
+ case CPP_HSPACE:
+ case CPP_COMMENT:
+ break;
case CPP_VSPACE:
if (pfile->only_seen_white == 0)
pfile->only_seen_white = 1;
CPP_BUMP_LINE (pfile);
- return token;
-
- case CPP_HSPACE:
- case CPP_COMMENT:
- return token;
+ break;
case CPP_HASH:
pfile->potential_control_macro = 0;
if (!pfile->only_seen_white)
- return CPP_HASH;
+ break;
/* XXX shouldn't have to do this - remove the hash or %: from
the token buffer. */
if (CPP_PWRITTEN (pfile)[-1] == '#')
@@ -1776,30 +1778,43 @@ cpp_get_token (pfile)
CPP_ADJUST_WRITTEN (pfile, -2);
if (_cpp_handle_directive (pfile))
- return CPP_DIRECTIVE;
+ {
+ token = CPP_DIRECTIVE;
+ break;
+ }
pfile->only_seen_white = 0;
CPP_PUTC (pfile, '#');
- return CPP_HASH;
+ break;
case CPP_MACRO:
+ if (pfile->skipping)
+ break;
pfile->potential_control_macro = 0;
pfile->only_seen_white = 0;
if (! pfile->no_macro_expand
&& maybe_macroexpand (pfile, written))
goto get_next;
- return CPP_NAME;
+ token = CPP_NAME;
+ break;
+ /* Do not run this case through the 'skipping' logic. */
case CPP_EOF:
if (CPP_BUFFER (pfile) == NULL)
return CPP_EOF;
- if (CPP_IS_MACRO_BUFFER (CPP_BUFFER (pfile)))
- {
- cpp_pop_buffer (pfile);
- goto get_next;
- }
+ macro_buffer = CPP_IS_MACRO_BUFFER (CPP_BUFFER (pfile));
+
cpp_pop_buffer (pfile);
+ if (macro_buffer)
+ goto get_next;
return CPP_EOF;
}
+
+ if (pfile->skipping)
+ {
+ CPP_SET_WRITTEN (pfile, written);
+ goto get_next;
+ }
+ return token;
}
/* Like cpp_get_token, but skip spaces and comments. */