441 lines
9.0 KiB
C
441 lines
9.0 KiB
C
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include "config.h"
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#include "misc.h"
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#include "lf.h"
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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struct _lf {
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FILE *stream;
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int line_nr; /* nr complete lines written, curr line is line_nr+1 */
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int indent;
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int line_blank;
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const char *name;
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const char *program;
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lf_file_references references;
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lf_file_type type;
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};
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lf *
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lf_open(char *name,
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char *real_name,
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lf_file_references references,
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lf_file_type type,
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const char *program)
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{
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/* create a file object */
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lf *new_lf = ZALLOC(lf);
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ASSERT(new_lf != NULL);
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new_lf->references = references;
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new_lf->type = type;
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new_lf->name = (real_name == NULL ? name : real_name);
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new_lf->program = program;
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/* attach to stdout if pipe */
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if (!strcmp(name, "-")) {
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new_lf->stream = stdout;
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}
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else {
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/* create a new file */
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new_lf->stream = fopen(name, "w");
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if (new_lf->stream == NULL) {
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perror(name);
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exit(1);
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}
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}
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return new_lf;
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}
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void
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lf_close(lf *file)
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{
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if (file->stream != stdout) {
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if (fclose(file->stream)) {
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perror("lf_close.fclose");
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exit(1);
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}
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free(file);
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}
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}
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int
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lf_putchr(lf *file,
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const char chr)
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{
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int nr = 0;
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if (chr == '\n') {
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file->line_nr += 1;
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file->line_blank = 1;
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}
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else if (file->line_blank) {
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int pad;
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for (pad = file->indent; pad > 0; pad--)
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putc(' ', file->stream);
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nr += file->indent;
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file->line_blank = 0;
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}
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putc(chr, file->stream);
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nr += 1;
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return nr;
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}
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void
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lf_indent_suppress(lf *file)
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{
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file->line_blank = 0;
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}
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int
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lf_putstr(lf *file,
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const char *string)
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{
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int nr = 0;
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const char *chp;
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if (string != NULL) {
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for (chp = string; *chp != '\0'; chp++) {
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nr += lf_putchr(file, *chp);
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}
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}
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return nr;
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}
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static int
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do_lf_putunsigned(lf *file,
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unsigned u)
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{
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int nr = 0;
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if (u > 0) {
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nr += do_lf_putunsigned(file, u / 10);
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nr += lf_putchr(file, (u % 10) + '0');
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}
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return nr;
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}
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int
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lf_putint(lf *file,
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int decimal)
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{
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int nr = 0;
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if (decimal == 0)
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nr += lf_putchr(file, '0');
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else if (decimal < 0) {
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nr += lf_putchr(file, '-');
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nr += do_lf_putunsigned(file, -decimal);
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}
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else if (decimal > 0) {
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nr += do_lf_putunsigned(file, decimal);
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}
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else
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ASSERT(0);
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return nr;
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}
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int
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lf_printf(lf *file,
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const char *fmt,
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...)
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{
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int nr = 0;
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char buf[1024];
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va_list ap;
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va_start(ap, fmt);
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vsprintf(buf, fmt, ap);
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/* FIXME - this is really stuffed but so is vsprintf() on a sun! */
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ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf));
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nr += lf_putstr(file, buf);
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va_end(ap);
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return nr;
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}
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int
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lf_print__c_code(lf *file,
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const char *code)
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{
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int nr = 0;
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const char *chp = code;
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int in_bit_field = 0;
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while (*chp != '\0') {
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if (*chp == '\t')
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chp++;
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if (*chp == '#')
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lf_indent_suppress(file);
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while (*chp != '\0' && *chp != '\n') {
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if (chp[0] == '{' && !isspace(chp[1])) {
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in_bit_field = 1;
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nr += lf_putchr(file, '_');
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}
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else if (in_bit_field && chp[0] == ':') {
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nr += lf_putchr(file, '_');
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}
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else if (in_bit_field && *chp == '}') {
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nr += lf_putchr(file, '_');
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in_bit_field = 0;
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}
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else {
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nr += lf_putchr(file, *chp);
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}
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chp++;
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}
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if (in_bit_field)
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error("bit field paren miss match some where\n");
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if (*chp == '\n') {
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nr += lf_putchr(file, '\n');
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chp++;
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}
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}
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nr += lf_putchr(file, '\n');
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return nr;
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}
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int
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lf_print__external_reference(lf *file,
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int line_nr,
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const char *file_name)
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{
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int nr = 0;
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switch (file->references) {
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case lf_include_references:
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lf_indent_suppress(file);
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nr += lf_putstr(file, "#line ");
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nr += lf_putint(file, line_nr);
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nr += lf_putstr(file, " \"");
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nr += lf_putstr(file, file_name);
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nr += lf_putstr(file, "\"\n");
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break;
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case lf_omit_references:
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break;
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}
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return nr;
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}
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int
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lf_print__internal_reference(lf *file)
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{
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int nr = 0;
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nr += lf_print__external_reference(file, file->line_nr+2, file->name);
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/* line_nr == last_line, want to number from next */
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return nr;
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}
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void
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lf_indent(lf *file, int delta)
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{
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file->indent += delta;
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}
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int
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lf_print__gnu_copyleft(lf *file)
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{
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int nr = 0;
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switch (file->type) {
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case lf_is_c:
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case lf_is_h:
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nr += lf_printf(file, "\
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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--
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This file was generated by the program %s */
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", filter_filename(file->program));
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break;
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default:
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ASSERT(0);
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break;
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}
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return nr;
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}
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int
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lf_putbin(lf *file, int decimal, int width)
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{
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int nr = 0;
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int bit;
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ASSERT(width > 0);
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for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
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if (decimal & bit)
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nr += lf_putchr(file, '1');
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else
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nr += lf_putchr(file, '0');
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}
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return nr;
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}
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int
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lf_print__this_file_is_empty(lf *file)
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{
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int nr = 0;
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switch (file->type) {
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case lf_is_c:
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case lf_is_h:
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nr += lf_printf(file,
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"/* This generated file (%s) is intentionally left blank */\n",
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file->name);
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break;
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default:
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ASSERT(0);
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}
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return nr;
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}
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int
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lf_print__ucase_filename(lf *file)
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{
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int nr = 0;
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const char *chp = file->name;
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while (*chp != '\0') {
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char ch = *chp;
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if (islower(ch)) {
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nr += lf_putchr(file, toupper(ch));
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}
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else if (ch == '.')
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nr += lf_putchr(file, '_');
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else
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nr += lf_putchr(file, ch);
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chp++;
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}
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return nr;
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}
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int
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lf_print__file_start(lf *file)
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{
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int nr = 0;
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switch (file->type) {
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case lf_is_h:
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case lf_is_c:
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nr += lf_print__gnu_copyleft(file);
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nr += lf_printf(file, "\n");
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nr += lf_printf(file, "#ifndef _");
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nr += lf_print__ucase_filename(file);
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nr += lf_printf(file, "_\n");
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nr += lf_printf(file, "#define _");
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nr += lf_print__ucase_filename(file);
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nr += lf_printf(file, "_\n");
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nr += lf_printf(file, "\n");
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break;
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default:
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ASSERT(0);
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}
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return nr;
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}
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int
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lf_print__file_finish(lf *file)
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{
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int nr = 0;
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switch (file->type) {
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case lf_is_h:
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case lf_is_c:
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nr += lf_printf(file, "\n");
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nr += lf_printf(file, "#endif /* _");
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nr += lf_print__ucase_filename(file);
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nr += lf_printf(file, "_*/\n");
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break;
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default:
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ASSERT(0);
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}
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return nr;
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}
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int
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lf_print_function_type(lf *file,
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const char *type,
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const char *prefix,
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const char *trailing_space)
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{
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int nr = 0;
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nr += lf_printf(file, "%s\\\n(%s)", prefix, type);
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if (trailing_space != NULL)
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nr += lf_printf(file, "%s", trailing_space);
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#if 0
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||
|
|
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;
|
||
|
|
}
|
||
|
|
|