424 lines
8.4 KiB
C
424 lines
8.4 KiB
C
/* The IGEN simulator generator for GDB, the GNU Debugger.
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Copyright 2002, 2007, 2008, 2009 Free Software Foundation, Inc.
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Contributed by Andrew Cagney.
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This file is part of GDB.
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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 3 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, see <http://www.gnu.org/licenses/>. */
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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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{
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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, 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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{
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new_lf->stream = stdout;
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}
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else
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{
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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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{
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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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{
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if (fclose (file->stream))
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{
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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, 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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{
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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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{
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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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int
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lf_write (lf *file, const char *string, int strlen_string)
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{
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int nr = 0;
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int i;
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for (i = 0; i < strlen_string; i++)
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nr += lf_putchr (file, string[i]);
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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, 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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{
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for (chp = string; *chp != '\0'; chp++)
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{
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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, unsigned u)
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{
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int nr = 0;
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if (u > 0)
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{
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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, 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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{
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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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{
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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, const char *fmt, ...)
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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) < 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__line_ref (lf *file, line_ref *line)
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{
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return lf_print__external_ref (file, line->line_nr, line->file_name);
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}
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int
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lf_print__external_ref (lf *file, int line_nr, 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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{
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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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nr += lf_putstr (file, "/* ");
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nr += lf_putstr (file, file_name);
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nr += lf_putstr (file, ":");
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nr += lf_putint (file, line_nr);
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nr += lf_putstr (file, "*/\n");
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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_ref (lf *file)
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{
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int nr = 0;
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nr += lf_print__external_ref (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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{
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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 GDB.\n\
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\n\
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Copyright 2002, 2007 Free Software Foundation, Inc.\n\
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\n\
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This program is free software; you can redistribute it and/or modify\n\
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it under the terms of the GNU General Public License as published by\n\
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the Free Software Foundation; either version 3 of the License, or\n\
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(at your option) any later version.\n\
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\n\
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This program is distributed in the hope that it will be useful,\n\
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but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
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GNU General Public License for more details.\n\
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\n\
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You should have received a copy of the GNU General Public License\n\
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along with this program. If not, see <http://www.gnu.org/licenses/>.\n\
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\n\
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--\n\
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\n\
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This file was generated by the program %s */\n\
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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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{
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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, const char *reason)
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{
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int nr = 0;
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switch (file->type)
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{
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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",
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file->name);
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if (reason != NULL)
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nr += lf_printf (file, " - %s", reason);
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nr += lf_printf (file, " */\n");
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break;
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default:
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ERROR ("Bad switch");
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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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{
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char ch = *chp;
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if (islower (ch))
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{
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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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{
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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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{
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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, 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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return nr;
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}
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int
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lf_print__function_type_function (lf *file,
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print_function * print_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(", prefix);
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nr += print_type (file);
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nr += lf_printf (file, ")");
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if (trailing_space != NULL)
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nr += lf_printf (file, "%s", trailing_space);
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return nr;
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}
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