re PR preprocessor/57580 (Repeated _Pragma message directives in macro causes problems)

PR preprocessor/57580
	* c-ppoutput.c (print): Change printed field to bool.
	Move src_file last for smaller padding.
	(init_pp_output): Set print.printed to false instead of 0.
	(scan_translation_unit): Fix up formatting.  Set print.printed
	to true after printing something other than newline.
	(scan_translation_unit_trad): Set print.printed to true instead of 1.
	(maybe_print_line_1): Set print.printed to false instead of 0.
	(print_line_1): Likewise.
	(do_line_change): Set print.printed to true instead of 1.
	(cb_define, dump_queued_macros, cb_include, cb_def_pragma,
	dump_macro): Set print.printed to false after printing newline.

	* c-c++-common/cpp/pr57580.c: New test.
	* c-c++-common/gomp/pr57580.c: New test.

From-SVN: r231213
This commit is contained in:
Jakub Jelinek 2015-12-03 00:53:43 +01:00 committed by Jakub Jelinek
parent 49ed2fa429
commit 6eb4a53763
5 changed files with 90 additions and 14 deletions

View file

@ -1,3 +1,18 @@
2015-12-03 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/57580
* c-ppoutput.c (print): Change printed field to bool.
Move src_file last for smaller padding.
(init_pp_output): Set print.printed to false instead of 0.
(scan_translation_unit): Fix up formatting. Set print.printed
to true after printing something other than newline.
(scan_translation_unit_trad): Set print.printed to true instead of 1.
(maybe_print_line_1): Set print.printed to false instead of 0.
(print_line_1): Likewise.
(do_line_change): Set print.printed to true instead of 1.
(cb_define, dump_queued_macros, cb_include, cb_def_pragma,
dump_macro): Set print.printed to false after printing newline.
2015-12-02 Jason Merrill <jason@redhat.com>
* c-common.c (fold_for_warn): New.

View file

@ -31,11 +31,11 @@ static struct
const cpp_token *prev; /* Previous token. */
const cpp_token *source; /* Source token for spacing. */
int src_line; /* Line number currently being written. */
unsigned char printed; /* Nonzero if something output at line. */
bool printed; /* True if something output at line. */
bool first_time; /* pp_file_change hasn't been called yet. */
const char *src_file; /* Current source file. */
bool prev_was_system_token; /* True if the previous token was a
system token.*/
const char *src_file; /* Current source file. */
} print;
/* Defined and undefined macros being queued for output with -dU at
@ -153,7 +153,7 @@ init_pp_output (FILE *out_stream)
/* Initialize the print structure. */
print.src_line = 1;
print.printed = 0;
print.printed = false;
print.prev = 0;
print.outf = out_stream;
print.first_time = 1;
@ -206,12 +206,16 @@ scan_translation_unit (cpp_reader *pfile)
{
line_marker_emitted = do_line_change (pfile, token, loc, false);
putc (' ', print.outf);
print.printed = true;
}
else if (print.source->flags & PREV_WHITE
|| (print.prev
&& cpp_avoid_paste (pfile, print.prev, token))
|| (print.prev == NULL && token->type == CPP_HASH))
putc (' ', print.outf);
{
putc (' ', print.outf);
print.printed = true;
}
}
else if (token->flags & PREV_WHITE)
{
@ -222,6 +226,7 @@ scan_translation_unit (cpp_reader *pfile)
&& !in_pragma)
line_marker_emitted = do_line_change (pfile, token, loc, false);
putc (' ', print.outf);
print.printed = true;
}
avoid_paste = false;
@ -239,7 +244,7 @@ scan_translation_unit (cpp_reader *pfile)
fprintf (print.outf, "%s %s", space, name);
else
fprintf (print.outf, "%s", name);
print.printed = 1;
print.printed = true;
in_pragma = true;
}
else if (token->type == CPP_PRAGMA_EOL)
@ -250,23 +255,23 @@ scan_translation_unit (cpp_reader *pfile)
else
{
if (cpp_get_options (parse_in)->debug)
linemap_dump_location (line_table, token->src_loc,
print.outf);
linemap_dump_location (line_table, token->src_loc, print.outf);
if (do_line_adjustments
&& !in_pragma
&& !line_marker_emitted
&& print.prev_was_system_token != !!in_system_header_at(loc)
&& print.prev_was_system_token != !!in_system_header_at (loc)
&& !is_location_from_builtin_token (loc))
/* The system-ness of this token is different from the one
of the previous token. Let's emit a line change to
mark the new system-ness before we emit the token. */
{
do_line_change (pfile, token, loc, false);
print.prev_was_system_token = !!in_system_header_at(loc);
print.prev_was_system_token = !!in_system_header_at (loc);
}
cpp_output_token (token, print.outf);
line_marker_emitted = false;
print.printed = true;
}
/* CPP_COMMENT tokens and raw-string literal tokens can
@ -316,7 +321,7 @@ scan_translation_unit_trad (cpp_reader *pfile)
size_t len = pfile->out.cur - pfile->out.base;
maybe_print_line (pfile->out.first_line);
fwrite (pfile->out.base, 1, len, print.outf);
print.printed = 1;
print.printed = true;
if (!CPP_OPTION (pfile, discard_comments))
account_for_newlines (pfile->out.base, len);
}
@ -339,7 +344,7 @@ maybe_print_line_1 (source_location src_loc, FILE *stream)
{
putc ('\n', stream);
print.src_line++;
print.printed = 0;
print.printed = false;
}
if (!flag_no_line_commands
@ -385,7 +390,7 @@ print_line_1 (source_location src_loc, const char *special_flags, FILE *stream)
/* End any previous line of text. */
if (print.printed)
putc ('\n', stream);
print.printed = 0;
print.printed = false;
if (!flag_no_line_commands)
{
@ -460,7 +465,7 @@ do_line_change (cpp_reader *pfile, const cpp_token *token,
if (!CPP_OPTION (pfile, traditional))
{
int spaces = LOCATION_COLUMN (src_loc) - 2;
print.printed = 1;
print.printed = true;
while (-- spaces >= 0)
putc (' ', print.outf);
@ -503,6 +508,7 @@ cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node)
fputs ((const char *) NODE_NAME (node), print.outf);
putc ('\n', print.outf);
print.printed = false;
linemap_resolve_location (line_table, line,
LRK_MACRO_DEFINITION_LOCATION,
&map);
@ -554,7 +560,7 @@ dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED)
{
putc ('\n', print.outf);
print.src_line++;
print.printed = 0;
print.printed = false;
}
for (q = define_queue; q;)
@ -563,6 +569,7 @@ dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED)
fputs ("#define ", print.outf);
fputs (q->macro, print.outf);
putc ('\n', print.outf);
print.printed = false;
print.src_line++;
oq = q;
q = q->next;
@ -606,6 +613,7 @@ cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
}
putc ('\n', print.outf);
print.printed = false;
print.src_line++;
}
@ -671,6 +679,7 @@ cb_def_pragma (cpp_reader *pfile, source_location line)
maybe_print_line (line);
fputs ("#pragma ", print.outf);
cpp_output_line (pfile, print.outf);
print.printed = false;
print.src_line++;
}
@ -684,6 +693,7 @@ dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED)
fputs ((const char *) cpp_macro_definition (pfile, node),
print.outf);
putc ('\n', print.outf);
print.printed = false;
print.src_line++;
}

View file

@ -1,3 +1,9 @@
2015-12-03 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/57580
* c-c++-common/cpp/pr57580.c: New test.
* c-c++-common/gomp/pr57580.c: New test.
2015-12-02 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>

View file

@ -0,0 +1,9 @@
/* PR preprocessor/57580 */
/* { dg-do compile } */
/* { dg-options "-save-temps" } */
#define MSG \
_Pragma("message(\"message0\")") \
_Pragma("message(\"message1\")")
MSG /* { dg-message "message0" } */
/* { dg-message "message1" "" { target *-*-* } 8 } */

View file

@ -0,0 +1,36 @@
/* PR preprocessor/57580 */
/* { dg-do compile } */
/* { dg-options "-fopenmp -save-temps -fdump-tree-gimple" } */
#define PS \
_Pragma("omp parallel num_threads(2)") \
{ \
_Pragma("omp single") \
{ \
ret = 0; \
} \
}
int
main ()
{
int ret;
_Pragma("omp parallel num_threads(3)")
{
_Pragma("omp single")
{
ret = 0;
}
}
_Pragma("omp parallel num_threads(4)") { _Pragma("omp single") { ret = 0; } }
{ _Pragma("omp parallel num_threads(5)") { _Pragma("omp single") { ret = 0; } } }
PS
PS
return ret;
}
/* { dg-final { scan-tree-dump-times "#pragma omp parallel\[^\n\r]*num_threads\\(2\\)" 2 "gimple" } } */
/* { dg-final { scan-tree-dump-times "#pragma omp parallel\[^\n\r]*num_threads\\(3\\)" 1 "gimple" } } */
/* { dg-final { scan-tree-dump-times "#pragma omp parallel\[^\n\r]*num_threads\\(4\\)" 1 "gimple" } } */
/* { dg-final { scan-tree-dump-times "#pragma omp parallel\[^\n\r]*num_threads\\(5\\)" 1 "gimple" } } */
/* { dg-final { scan-tree-dump-times "#pragma omp single" 5 "gimple" } } */