/* Preprocess only, using cpplib.
- Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
Free Software Foundation, Inc.
Written by Per Bothner, 1994-95.
-This program is free software; you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
-later version.
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 3, or (at your option) any
+ later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
/* General output routines. */
static void scan_translation_unit (cpp_reader *);
+static void print_lines_directives_only (int, const void *, size_t);
+static void scan_translation_unit_directives_only (cpp_reader *);
static void scan_translation_unit_trad (cpp_reader *);
static void account_for_newlines (const unsigned char *, size_t);
static int dump_macro (cpp_reader *, cpp_hashnode *, void *);
/* Callback routines for the parser. Most of these are active only
in specific modes. */
static void cb_line_change (cpp_reader *, const cpp_token *, int);
-static void cb_define (cpp_reader *, fileline, cpp_hashnode *);
-static void cb_undef (cpp_reader *, fileline, cpp_hashnode *);
-static void cb_include (cpp_reader *, fileline, const unsigned char *,
- const char *, int);
-static void cb_ident (cpp_reader *, fileline, const cpp_string *);
-static void cb_def_pragma (cpp_reader *, fileline);
+static void cb_define (cpp_reader *, source_location, cpp_hashnode *);
+static void cb_undef (cpp_reader *, source_location, cpp_hashnode *);
+static void cb_include (cpp_reader *, source_location, const unsigned char *,
+ const char *, int, const cpp_token **);
+static void cb_ident (cpp_reader *, source_location, const cpp_string *);
+static void cb_def_pragma (cpp_reader *, source_location);
static void cb_read_pch (cpp_reader *pfile, const char *name,
int fd, const char *orig_name);
}
else if (cpp_get_options (pfile)->traditional)
scan_translation_unit_trad (pfile);
+ else if (cpp_get_options (pfile)->directives_only
+ && !cpp_get_options (pfile)->preprocessed)
+ scan_translation_unit_directives_only (pfile);
else
scan_translation_unit (pfile);
}
}
+static void
+print_lines_directives_only (int lines, const void *buf, size_t size)
+{
+ print.src_line += lines;
+ fwrite (buf, 1, size, print.outf);
+}
+
+/* Writes out the preprocessed file, handling spacing and paste
+ avoidance issues. */
+static void
+scan_translation_unit_directives_only (cpp_reader *pfile)
+{
+ struct _cpp_dir_only_callbacks cb;
+
+ cb.print_lines = print_lines_directives_only;
+ cb.maybe_print_line = maybe_print_line;
+
+ _cpp_preprocess_dir_only (pfile, &cb);
+}
+
/* Adjust print.src_line for newlines embedded in output. */
static void
account_for_newlines (const unsigned char *str, size_t len)
static void
maybe_print_line (source_location src_loc)
{
- const struct line_map *map = linemap_lookup (&line_table, src_loc);
+ const struct line_map *map = linemap_lookup (line_table, src_loc);
int src_line = SOURCE_LINE (map, src_loc);
/* End the previous line of text. */
if (print.printed)
if (!flag_no_line_commands)
{
- const struct line_map *map = linemap_lookup (&line_table, src_loc);
+ const struct line_map *map = linemap_lookup (line_table, src_loc);
size_t to_file_len = strlen (map->to_file);
- unsigned char *to_file_quoted = alloca (to_file_len * 4 + 1);
+ unsigned char *to_file_quoted =
+ (unsigned char *) alloca (to_file_len * 4 + 1);
unsigned char *p;
print.src_line = SOURCE_LINE (map, src_loc);
/* cpp_quote_string does not nul-terminate, so we have to do it
ourselves. */
p = cpp_quote_string (to_file_quoted,
- (unsigned char *)map->to_file, to_file_len);
+ (const unsigned char *) map->to_file, to_file_len);
*p = '\0';
- fprintf (print.outf, "# %u \"%s\"%s", print.src_line,
+ fprintf (print.outf, "# %u \"%s\"%s",
+ print.src_line == 0 ? 1 : print.src_line,
to_file_quoted, special_flags);
if (map->sysp == 2)
ought to care. Some things do care; the fault lies with them. */
if (!CPP_OPTION (pfile, traditional))
{
- const struct line_map *map = linemap_lookup (&line_table, src_loc);
+ const struct line_map *map = linemap_lookup (line_table, src_loc);
int spaces = SOURCE_COLUMN (map, src_loc) - 2;
print.printed = 1;
}
static void
-cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, fileline line,
+cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
const cpp_string *str)
{
maybe_print_line (line);
- fprintf (print.outf, "#ident \"%s\"\n", str->text);
+ fprintf (print.outf, "#ident %s\n", str->text);
print.src_line++;
}
static void
-cb_define (cpp_reader *pfile, fileline line, cpp_hashnode *node)
+cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node)
{
maybe_print_line (line);
fputs ("#define ", print.outf);
fputs ((const char *) NODE_NAME (node), print.outf);
putc ('\n', print.outf);
- print.src_line++;
+ if (linemap_lookup (line_table, line)->to_line != 0)
+ print.src_line++;
}
static void
static void
cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
- const unsigned char *dir, const char *header, int angle_brackets)
+ const unsigned char *dir, const char *header, int angle_brackets,
+ const cpp_token **comments)
{
maybe_print_line (line);
if (angle_brackets)
- fprintf (print.outf, "#%s <%s>\n", dir, header);
+ fprintf (print.outf, "#%s <%s>", dir, header);
else
- fprintf (print.outf, "#%s \"%s\"\n", dir, header);
+ fprintf (print.outf, "#%s \"%s\"", dir, header);
+
+ if (comments != NULL)
+ {
+ while (*comments != NULL)
+ {
+ if ((*comments)->flags & PREV_WHITE)
+ putc (' ', print.outf);
+ cpp_output_token (*comments, print.outf);
+ ++comments;
+ }
+ }
+
+ putc ('\n', print.outf);
print.src_line++;
}
pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir)
{
size_t to_file_len = strlen (dir);
- unsigned char *to_file_quoted = alloca (to_file_len * 4 + 1);
+ unsigned char *to_file_quoted =
+ (unsigned char *) alloca (to_file_len * 4 + 1);
unsigned char *p;
/* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */
- p = cpp_quote_string (to_file_quoted, (unsigned char *) dir, to_file_len);
+ p = cpp_quote_string (to_file_quoted, (const unsigned char *) dir, to_file_len);
*p = '\0';
fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted);
}
{
const char *flags = "";
- if (flag_no_line_commands || flag_no_output)
+ if (flag_no_line_commands)
return;
if (map != NULL)
/* Bring current file to correct line when entering a new file. */
if (map->reason == LC_ENTER)
{
- const struct line_map *from = INCLUDED_FROM (&line_table, map);
+ const struct line_map *from = INCLUDED_FROM (line_table, map);
maybe_print_line (LAST_SOURCE_LINE_LOCATION (from));
}
if (map->reason == LC_ENTER)
/* Copy a #pragma directive to the preprocessed output. */
static void
-cb_def_pragma (cpp_reader *pfile, fileline line)
+cb_def_pragma (cpp_reader *pfile, source_location line)
{
maybe_print_line (line);
fputs ("#pragma ", print.outf);
int fd, const char *orig_name ATTRIBUTE_UNUSED)
{
c_common_read_pch (pfile, name, fd, orig_name);
-
+
fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name);
print.src_line++;
}
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