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Diffstat (limited to 'sim/ppc/lf.c')
| -rw-r--r-- | sim/ppc/lf.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/sim/ppc/lf.c b/sim/ppc/lf.c new file mode 100644 index 0000000..ba0cc1d --- /dev/null +++ b/sim/ppc/lf.c @@ -0,0 +1,273 @@ +/* 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. + + */ + + +#include <stdio.h> +#include <stdarg.h> +#include <ctype.h> + +#include "misc.h" +#include "lf.h" + +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + +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; +}; + + +lf * +lf_open(char *name, + char *real_name, + int number_lines) +{ + /* 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); + + /* 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); + } + return new_lf; +} + + +void +lf_close(lf *file) +{ + if (file->stream != stdout) { + if (fclose(file->stream)) { + perror("lf_close.fclose"); + exit(1); + } + free(file); + } +} + + +void +lf_putchr(lf *file, + const char chr) +{ + if (chr == '\n') { + file->line_nr += 1; + file->line_blank = 1; + } + else if (file->line_blank) { + int pad; + for (pad = file->indent; pad > 0; pad--) + putc(' ', file->stream); + file->line_blank = 0; + } + putc(chr, file->stream); +} + +void +lf_indent_suppress(lf *file) +{ + file->line_blank = 0; +} + + +void +lf_putstr(lf *file, + const char *string) +{ + const char *chp; + if (string != NULL) { + for (chp = string; *chp != '\0'; chp++) { + lf_putchr(file, *chp); + } + } +} + +static void +do_lf_putunsigned(lf *file, + unsigned u) +{ + if (u > 0) { + do_lf_putunsigned(file, u / 10); + lf_putchr(file, (u % 10) + '0'); + } +} + + +void +lf_putint(lf *file, + int decimal) +{ + if (decimal == 0) + lf_putchr(file, '0'); + else if (decimal < 0) { + lf_putchr(file, '-'); + do_lf_putunsigned(file, -decimal); + } + else if (decimal > 0) { + do_lf_putunsigned(file, decimal); + } + else + ASSERT(0); +} + + +void +lf_printf(lf *file, + const char *fmt, + ...) +{ + char buf[1024]; + va_list ap; + + va_start(ap, fmt); + 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); + va_end(ap); +} + + +void +lf_print_c_code(lf *file, char *code) +{ + char *chp = code; + int in_bit_field = 0; + while (*chp != '\0') { + if (*chp == '\t') + chp++; + if (*chp == '#') + lf_indent_suppress(file); + while (*chp != '\0' && *chp != '\n') { + if (chp[0] == '{' && !isspace(chp[1])) { + in_bit_field = 1; + lf_putchr(file, '_'); + } + else if (in_bit_field && chp[0] == ':') { + lf_putchr(file, '_'); + } + else if (in_bit_field && *chp == '}') { + lf_putchr(file, '_'); + in_bit_field = 0; + } + else { + 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'); + chp++; + } + } + lf_putchr(file, '\n'); +} + + +void +lf_print_c_line_nr(lf *file, + int line_nr, + char *file_name) +{ + if (file->number_lines) { + 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"); + } +} + +void +lf_print_lf_c_line_nr(lf *file) +{ + lf_print_c_line_nr(file, file->line_nr+2, file->file_name); + /* line_nr == last_line, want to number from next */ +} + +void +lf_indent(lf *file, int delta) +{ + file->indent += delta; +} + + +void +lf_print_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 */ +"); +} + + +void +lf_print_binary(lf *file, int decimal, int width) +{ + int bit; + ASSERT(width > 0); + + for (bit = 1 << (width-1); bit != 0; bit >>= 1) { + if (decimal & bit) + lf_putchr(file, '1'); + else + lf_putchr(file, '0'); + } + +} |