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Diffstat (limited to 'sim/ppc/lf.c')
| -rw-r--r-- | sim/ppc/lf.c | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/sim/ppc/lf.c b/sim/ppc/lf.c new file mode 100644 index 0000000..2a42015 --- /dev/null +++ b/sim/ppc/lf.c @@ -0,0 +1,440 @@ +/* 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 "config.h" +#include "misc.h" +#include "lf.h" + +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + +#ifdef HAVE_STRING_H +#include <string.h> +#else +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif +#endif + +struct _lf { + FILE *stream; + int line_nr; /* nr complete lines written, curr line is line_nr+1 */ + int indent; + int line_blank; + const char *name; + const char *program; + lf_file_references references; + lf_file_type type; +}; + + +lf * +lf_open(char *name, + 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->references = references; + new_lf->type = type; + new_lf->name = (real_name == NULL ? name : real_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"); + 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); + } + free(file); + } +} + + +int +lf_putchr(lf *file, + const char chr) +{ + int nr = 0; + 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); + nr += file->indent; + file->line_blank = 0; + } + putc(chr, file->stream); + nr += 1; + return nr; +} + +void +lf_indent_suppress(lf *file) +{ + file->line_blank = 0; +} + + +int +lf_putstr(lf *file, + const char *string) +{ + int nr = 0; + const char *chp; + if (string != NULL) { + for (chp = string; *chp != '\0'; chp++) { + nr += lf_putchr(file, *chp); + } + } + return nr; +} + +static int +do_lf_putunsigned(lf *file, + unsigned u) +{ + int nr = 0; + if (u > 0) { + nr += do_lf_putunsigned(file, u / 10); + nr += lf_putchr(file, (u % 10) + '0'); + } + return nr; +} + + +int +lf_putint(lf *file, + int decimal) +{ + int nr = 0; + if (decimal == 0) + nr += lf_putchr(file, '0'); + else if (decimal < 0) { + nr += lf_putchr(file, '-'); + nr += do_lf_putunsigned(file, -decimal); + } + else if (decimal > 0) { + nr += do_lf_putunsigned(file, decimal); + } + else + ASSERT(0); + return nr; +} + + +int +lf_printf(lf *file, + const char *fmt, + ...) +{ + int nr = 0; + 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)); + nr += lf_putstr(file, buf); + va_end(ap); + return nr; +} + + +int +lf_print__c_code(lf *file, + const char *code) +{ + int nr = 0; + const 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; + nr += lf_putchr(file, '_'); + } + else if (in_bit_field && chp[0] == ':') { + nr += lf_putchr(file, '_'); + } + else if (in_bit_field && *chp == '}') { + nr += lf_putchr(file, '_'); + in_bit_field = 0; + } + else { + nr += lf_putchr(file, *chp); + } + chp++; + } + if (in_bit_field) + error("bit field paren miss match some where\n"); + if (*chp == '\n') { + nr += lf_putchr(file, '\n'); + chp++; + } + } + nr += lf_putchr(file, '\n'); + return nr; +} + + +int +lf_print__external_reference(lf *file, + int line_nr, + const char *file_name) +{ + int nr = 0; + switch (file->references) { + case lf_include_references: + lf_indent_suppress(file); + 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; +} + +int +lf_print__internal_reference(lf *file) +{ + 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 +lf_indent(lf *file, int delta) +{ + file->indent += delta; +} + + +int +lf_print__gnu_copyleft(lf *file) +{ + int nr = 0; + switch (file->type) { + case lf_is_c: + case lf_is_h: + nr += lf_printf(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 %s */ +", filter_filename(file->program)); + break; + default: + ASSERT(0); + break; + } + return nr; +} + + +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) + 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 + 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; +} + |