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 of the License, or
+ the Free Software Foundation; either version 3 of the License, 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.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stdbool.h>
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
#include "misc.h"
#include "lf.h"
-#ifdef HAVE_STDLIB_H
#include <stdlib.h>
-#endif
+#include <string.h>
struct _lf {
FILE *stream;
int line_nr; /* nr complete lines written, curr line is line_nr+1 */
int indent;
int line_blank;
- char *file_name;
- int number_lines;
+ const char *name; /* Output name with diagnostics. */
+ const char *filename; /* Output filename. */
+ char *tmpname; /* Temporary output filename. */
+ const char *program;
+ lf_file_references references;
+ lf_file_type type;
};
lf *
-lf_open(char *name,
- char *real_name,
- int number_lines)
+lf_open(const char *name,
+ const char *real_name,
+ lf_file_references references,
+ lf_file_type type,
+ const char *program)
{
/* create a file object */
lf *new_lf = ZALLOC(lf);
ASSERT(new_lf != NULL);
- new_lf->number_lines = number_lines;
- new_lf->file_name = (real_name == NULL
- ? name
- : real_name);
-
+ new_lf->references = references;
+ new_lf->type = type;
+ new_lf->name = (real_name == NULL ? name : real_name);
+ new_lf->filename = name;
+ new_lf->program = program;
/* attach to stdout if pipe */
if (!strcmp(name, "-")) {
new_lf->stream = stdout;
}
else {
/* create a new file */
- new_lf->stream = fopen(name, "w");
- ASSERT(new_lf->stream != NULL);
+ char *tmpname = zalloc (strlen (name) + 5);
+ sprintf (tmpname, "%s.tmp", name);
+ new_lf->filename = name;
+ new_lf->tmpname = tmpname;
+ new_lf->stream = fopen(tmpname, "w+");
+ if (new_lf->stream == NULL) {
+ perror(name);
+ exit(1);
+ }
}
return new_lf;
}
void
lf_close(lf *file)
{
- if (file->stream != stdout) {
- if (fclose(file->stream)) {
- perror("lf_close.fclose");
- exit(1);
+ FILE *fp;
+ bool update = true;
+
+ /* If we wrote to stdout, no house keeping needed. */
+ if (file->stream == stdout)
+ return;
+
+ /* Rename the temp file to the real file if it's changed. */
+ fp = fopen (file->filename, "r");
+ if (fp != NULL)
+ {
+ off_t len;
+
+ fseek (fp, 0, SEEK_END);
+ len = ftell (fp);
+
+ if (len == ftell (file->stream))
+ {
+ off_t off;
+ size_t cnt;
+ char *oldbuf = zalloc (len);
+ char *newbuf = zalloc (len);
+
+ rewind (fp);
+ off = 0;
+ while ((cnt = fread (oldbuf + off, 1, len - off, fp)) > 0)
+ off += cnt;
+ ASSERT (off == len);
+
+ rewind (file->stream);
+ off = 0;
+ while ((cnt = fread (newbuf + off, 1, len - off, file->stream)) > 0)
+ off += cnt;
+ ASSERT (off == len);
+
+ if (memcmp (oldbuf, newbuf, len) == 0)
+ update = false;
+ }
+
+ fclose (fp);
}
- free(file);
- }
+
+ if (fclose (file->stream))
+ {
+ perror ("lf_close.fclose");
+ exit (1);
+ }
+
+ if (update)
+ {
+ if (rename (file->tmpname, file->filename) != 0)
+ {
+ perror ("lf_close.rename");
+ exit (1);
+ }
+ }
+ else
+ {
+ if (remove (file->tmpname) != 0)
+ {
+ perror ("lf_close.unlink");
+ exit (1);
+ }
+ }
+
+ free (file->tmpname);
+ free (file);
}
-void
+int
lf_putchr(lf *file,
const char chr)
{
+ int nr = 0;
if (chr == '\n') {
file->line_nr += 1;
file->line_blank = 1;
int pad;
for (pad = file->indent; pad > 0; pad--)
putc(' ', file->stream);
+ nr += file->indent;
file->line_blank = 0;
}
putc(chr, file->stream);
+ nr += 1;
+ return nr;
}
void
}
-void
+int
lf_putstr(lf *file,
const char *string)
{
+ int nr = 0;
const char *chp;
if (string != NULL) {
for (chp = string; *chp != '\0'; chp++) {
- lf_putchr(file, *chp);
+ nr += lf_putchr(file, *chp);
}
}
+ return nr;
}
-static void
+static int
do_lf_putunsigned(lf *file,
unsigned u)
{
+ int nr = 0;
if (u > 0) {
- do_lf_putunsigned(file, u / 10);
- lf_putchr(file, (u % 10) + '0');
+ nr += do_lf_putunsigned(file, u / 10);
+ nr += lf_putchr(file, (u % 10) + '0');
}
+ return nr;
}
-void
+int
lf_putint(lf *file,
int decimal)
{
+ int nr = 0;
if (decimal == 0)
- lf_putchr(file, '0');
+ nr += lf_putchr(file, '0');
else if (decimal < 0) {
- lf_putchr(file, '-');
- do_lf_putunsigned(file, -decimal);
+ nr += lf_putchr(file, '-');
+ nr += do_lf_putunsigned(file, -decimal);
}
else if (decimal > 0) {
- do_lf_putunsigned(file, decimal);
+ nr += do_lf_putunsigned(file, decimal);
}
else
ASSERT(0);
+ return nr;
}
-void
+int
lf_printf(lf *file,
const char *fmt,
...)
{
+ int nr = 0;
char buf[1024];
va_list ap;
vsprintf(buf, fmt, ap);
/* FIXME - this is really stuffed but so is vsprintf() on a sun! */
ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf));
- lf_putstr(file, buf);
+ nr += lf_putstr(file, buf);
va_end(ap);
+ return nr;
}
-void
-lf_print_c_code(lf *file, char *code)
+int
+lf_print__c_code(lf *file,
+ const char *code)
{
- char *chp = code;
+ int nr = 0;
+ const char *chp = code;
int in_bit_field = 0;
while (*chp != '\0') {
if (*chp == '\t')
while (*chp != '\0' && *chp != '\n') {
if (chp[0] == '{' && !isspace(chp[1])) {
in_bit_field = 1;
- lf_putchr(file, '_');
+ nr += lf_putchr(file, '_');
}
else if (in_bit_field && chp[0] == ':') {
- lf_putchr(file, '_');
+ nr += lf_putchr(file, '_');
}
else if (in_bit_field && *chp == '}') {
- lf_putchr(file, '_');
+ nr += lf_putchr(file, '_');
in_bit_field = 0;
}
else {
- lf_putchr(file, *chp);
+ nr += lf_putchr(file, *chp);
}
chp++;
}
if (in_bit_field)
error("bit field paren miss match some where\n");
if (*chp == '\n') {
- lf_putchr(file, '\n');
+ nr += lf_putchr(file, '\n');
chp++;
}
}
- lf_putchr(file, '\n');
+ nr += lf_putchr(file, '\n');
+ return nr;
}
-void
-lf_print_c_line_nr(lf *file,
- int line_nr,
- char *file_name)
+int
+lf_print__external_reference(lf *file,
+ int line_nr,
+ const char *file_name)
{
- if (file->number_lines) {
+ int nr = 0;
+ switch (file->references) {
+ case lf_include_references:
lf_indent_suppress(file);
- lf_putstr(file, "#line ");
- lf_putint(file, line_nr);
- lf_putstr(file, " \"");
- lf_putstr(file, file_name);
- lf_putstr(file, "\"\n");
+ nr += lf_putstr(file, "#line ");
+ nr += lf_putint(file, line_nr);
+ nr += lf_putstr(file, " \"");
+ nr += lf_putstr(file, file_name);
+ nr += lf_putstr(file, "\"\n");
+ break;
+ case lf_omit_references:
+ break;
}
+ return nr;
}
-void
-lf_print_lf_c_line_nr(lf *file)
+int
+lf_print__internal_reference(lf *file)
{
- lf_print_c_line_nr(file, file->line_nr+2, file->file_name);
+ int nr = 0;
+ nr += lf_print__external_reference(file, file->line_nr+2, file->name);
/* line_nr == last_line, want to number from next */
+ return nr;
}
void
}
-void
-lf_print_copyleft(lf *file)
+int
+lf_print__gnu_copyleft(lf *file)
{
- lf_putstr(file, "\
-/* This file is part of the program psim.
-
- Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
-
- 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 of the License, 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.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- --
-
- This file was generated by the program gen */
-");
+ int nr = 0;
+ switch (file->type) {
+ case lf_is_c:
+ case lf_is_h:
+ nr += lf_printf(file, "\n\
+/* This file is part of the program psim.\n\
+\n\
+ Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>\n\
+\n\
+ This program is free software; you can redistribute it and/or modify\n\
+ it under the terms of the GNU General Public License as published by\n\
+ the Free Software Foundation; either version 3 of the License, or\n\
+ (at your option) any later version.\n\
+\n\
+ This program is distributed in the hope that it will be useful,\n\
+ but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
+ GNU General Public License for more details.\n\
+\n\
+ You should have received a copy of the GNU General Public License\n\
+ along with this program; if not, see <http://www.gnu.org/licenses/>.\n\
+\n\
+ --\n\
+\n\
+ This file was generated by the program %s */\n\
+", filter_filename(file->program));
+ break;
+ default:
+ ASSERT(0);
+ break;
+ }
+ return nr;
}
-void
-lf_print_binary(lf *file, int decimal, int width)
+int
+lf_putbin(lf *file, int decimal, int width)
{
+ int nr = 0;
int bit;
ASSERT(width > 0);
-
for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
if (decimal & bit)
- lf_putchr(file, '1');
+ nr += lf_putchr(file, '1');
+ else
+ nr += lf_putchr(file, '0');
+ }
+ return nr;
+}
+
+int
+lf_print__this_file_is_empty(lf *file)
+{
+ int nr = 0;
+ switch (file->type) {
+ case lf_is_c:
+ case lf_is_h:
+ nr += lf_printf(file,
+ "/* This generated file (%s) is intentionally left blank */\n",
+ file->name);
+ break;
+ default:
+ ASSERT(0);
+ }
+ return nr;
+}
+
+int
+lf_print__ucase_filename(lf *file)
+{
+ int nr = 0;
+ const char *chp = file->name;
+ while (*chp != '\0') {
+ char ch = *chp;
+ if (islower(ch)) {
+ nr += lf_putchr(file, toupper(ch));
+ }
+ else if (ch == '.')
+ nr += lf_putchr(file, '_');
else
- lf_putchr(file, '0');
+ nr += lf_putchr(file, ch);
+ chp++;
+ }
+ return nr;
+}
+
+int
+lf_print__file_start(lf *file)
+{
+ int nr = 0;
+ switch (file->type) {
+ case lf_is_h:
+ case lf_is_c:
+ nr += lf_print__gnu_copyleft(file);
+ nr += lf_printf(file, "\n");
+ nr += lf_printf(file, "#ifndef _");
+ nr += lf_print__ucase_filename(file);
+ nr += lf_printf(file, "_\n");
+ nr += lf_printf(file, "#define _");
+ nr += lf_print__ucase_filename(file);
+ nr += lf_printf(file, "_\n");
+ nr += lf_printf(file, "\n");
+ break;
+ default:
+ ASSERT(0);
+ }
+ return nr;
+}
+
+
+int
+lf_print__file_finish(lf *file)
+{
+ int nr = 0;
+ switch (file->type) {
+ case lf_is_h:
+ case lf_is_c:
+ nr += lf_printf(file, "\n");
+ nr += lf_printf(file, "#endif /* _");
+ nr += lf_print__ucase_filename(file);
+ nr += lf_printf(file, "_*/\n");
+ break;
+ default:
+ ASSERT(0);
}
+ return nr;
+}
+
+int
+lf_print_function_type(lf *file,
+ const char *type,
+ const char *prefix,
+ const char *trailing_space)
+{
+ int nr = 0;
+ nr += lf_printf(file, "%s\\\n(%s)", prefix, type);
+ if (trailing_space != NULL)
+ nr += lf_printf(file, "%s", trailing_space);
+#if 0
+ const char *type_pointer = strrchr(type, '*');
+ int type_pointer_offset = (type_pointer != NULL
+ ? type_pointer - type
+ : 0);
+ if (type_pointer == NULL) {
+ lf_printf(file, "%s %s", type, prefix);
+ }
+ else {
+ char *munged_type = (char*)zalloc(strlen(type)
+ + strlen(prefix)
+ + strlen(" * ")
+ + 1);
+ strcpy(munged_type, type);
+ munged_type[type_pointer_offset] = '\0';
+ if (type_pointer_offset > 0 && type[type_pointer_offset-1] != ' ')
+ strcat(munged_type, " ");
+ strcat(munged_type, prefix);
+ strcat(munged_type, " ");
+ strcat(munged_type, type + type_pointer_offset);
+ lf_printf(file, "%s", munged_type);
+ free(munged_type);
+ }
+ if (trailing_space != NULL && type_pointer_offset < strlen(type) - 1)
+ lf_printf(file, trailing_space);
+#endif
+ return nr;
}
+
projects / thirdparty / binutils-gdb.git / blobdiff