1 /* This file is part of the program psim.
3 Copyright (C) 1994-1995,1997 Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <sys/types.h>
41 typedef struct _open_table open_table;
57 current_line (open_table *file)
59 line_ref *entry = ZALLOC (line_ref);
60 *entry = file->pseudo_line;
65 new_table_entry (open_table *file,
66 table_entry_type type)
69 entry = ZALLOC (table_entry);
70 entry->file = file->root;
71 entry->line = current_line (file);
77 set_nr_table_entry_fields (table_entry *entry,
80 entry->field = NZALLOC (char*, nr_fields + 1);
81 entry->nr_fields = nr_fields;
86 table_push (table *root,
88 table_include *includes,
89 const char *file_name)
94 table_include *include = &dummy;
96 /* dummy up a search of this directory */
97 dummy.next = includes;
100 /* create a file descriptor */
101 file = ZALLOC (open_table);
108 file->parent = root->current;
109 root->current = file;
113 /* save the file name */
114 char *dup_name = NZALLOC (char, strlen (include->dir) + strlen (file_name) + 2);
115 if (dup_name == NULL)
120 if (include->dir[0] != '\0')
122 strcat (dup_name, include->dir);
123 strcat (dup_name, "/");
125 strcat (dup_name, file_name);
126 file->real_line.file_name = dup_name;
127 file->pseudo_line.file_name = dup_name;
130 ff = fopen (dup_name, "rb");
133 /* zfree (dup_name); */
134 if (include->next == NULL)
137 error (line, "Problem opening file `%s'\n", file_name);
141 include = include->next;
145 /* determine the size */
146 fseek (ff, 0, SEEK_END);
147 file->size = ftell (ff);
148 fseek (ff, 0, SEEK_SET);
150 /* allocate this much memory */
151 file->buffer = (char*) zalloc (file->size + 1);
152 if (file->buffer == NULL)
157 file->pos = file->buffer;
160 if (fread (file->buffer, 1, file->size, ff) < file->size) {
164 file->buffer[file->size] = '\0';
166 /* set the initial line numbering */
167 file->real_line.line_nr = 1; /* specifies current line */
168 file->pseudo_line.line_nr = 1; /* specifies current line */
175 table_open (const char *file_name)
179 /* create a file descriptor */
180 root = ZALLOC (table);
187 table_push (root, NULL, NULL, file_name);
192 skip_spaces (char *chp)
206 back_spaces (char *start, char *chp)
211 || !isspace (chp[-1]))
218 skip_digits (char *chp)
231 skip_to_separator (char *chp,
236 char *sep = separators;
250 skip_to_null (char *chp)
252 return skip_to_separator (chp, "");
257 skip_to_nl (char * chp)
259 return skip_to_separator (chp, "\n");
264 next_line (open_table *file)
266 file->pos = skip_to_nl (file->pos);
267 if (*file->pos == '0')
268 error (&file->pseudo_line, "Missing <nl> at end of line\n");
271 file->real_line.line_nr += 1;
272 file->pseudo_line.line_nr += 1;
277 table_read (table *root)
279 open_table *file = root->current;
280 table_entry *entry = NULL;
285 while (*file->pos == '\0')
287 if (file->parent != NULL)
290 root->current = file;
297 if (*file->pos == '{')
300 next_line (file); /* discard leading brace */
301 entry = new_table_entry (file, table_code_entry);
303 /* determine how many lines are involved - look for <nl> "}" */
306 while (*file->pos != '}')
311 set_nr_table_entry_fields (entry, nr_lines);
313 /* now enter each line */
316 for (line_nr = 0; line_nr < entry->nr_fields; line_nr++)
318 if (strncmp (chp, " ", 2) == 0)
319 entry->field[line_nr] = chp + 2;
321 entry->field[line_nr] = chp;
322 chp = skip_to_null (chp) + 1;
324 /* skip trailing brace */
325 ASSERT (*file->pos == '}');
332 if (*file->pos == '\t')
334 char *chp = file->pos;
335 entry = new_table_entry (file, table_code_entry);
336 /* determine how many lines are involved - look for <nl> !<tab> */
339 int nr_blank_lines = 0;
342 if (*file->pos == '\t')
344 nr_lines = nr_lines + nr_blank_lines + 1;
350 file->pos = skip_spaces (file->pos);
351 if (*file->pos != '\n')
357 set_nr_table_entry_fields (entry, nr_lines);
359 /* now enter each line */
362 for (line_nr = 0; line_nr < entry->nr_fields; line_nr++)
365 entry->field[line_nr] = chp + 1;
367 entry->field[line_nr] = ""; /* blank */
368 chp = skip_to_null (chp) + 1;
375 if (file->pos[0] == '#')
377 char *chp = skip_spaces (file->pos + 1);
379 /* cpp line-nr directive - # <line-nr> "<file>" */
381 && *skip_digits (chp) == ' '
382 && *skip_spaces (skip_digits (chp)) == '"')
387 /* parse the number */
388 line_nr = atoi(file->pos) - 1;
389 /* skip to the file name */
390 while (file->pos[0] != '0'
391 && file->pos[0] != '"'
392 && file->pos[0] != '\0')
394 if (file->pos[0] != '"')
395 error (&file->real_line, "Missing opening quote in cpp directive\n");
396 /* parse the file name */
398 file_name = file->pos;
399 while (file->pos[0] != '"'
400 && file->pos[0] != '\0')
402 if (file->pos[0] != '"')
403 error (&file->real_line, "Missing closing quote in cpp directive\n");
406 file->pos = skip_to_nl (file->pos);
407 if (file->pos[0] != '\n')
408 error (&file->real_line, "Missing newline in cpp directive\n");
409 file->pseudo_line.file_name = file_name;
410 file->pseudo_line.line_nr = line_nr;
415 /* #define and #undef - not implemented yet */
417 /* Old style # comment */
422 /* blank line or end-of-file? */
423 file->pos = skip_spaces (file->pos);
424 if (*file->pos == '\0')
425 error (&file->pseudo_line, "Missing <nl> at end of file\n");
426 if (*file->pos == '\n')
432 /* comment - leading // or # - skip */
433 if ((file->pos[0] == '/' && file->pos[1] == '/')
434 || (file->pos[0] == '#'))
442 char *chp = file->pos;
443 entry = new_table_entry (file, table_colon_entry);
445 /* figure out how many fields */
451 tmpch = skip_to_separator (tmpch, "\\:");
454 /* eat the escaped character */
456 while (cp[1] != '\0')
464 else if (*tmpch != ':')
473 set_nr_table_entry_fields (entry, nr_fields);
478 for (field_nr = 0; field_nr < entry->nr_fields; field_nr++)
480 chp = skip_spaces (chp);
481 entry->field[field_nr] = chp;
482 chp = skip_to_null (chp);
483 *back_spaces (entry->field[field_nr], chp) = '\0';
492 ASSERT (entry == NULL || entry->field[entry->nr_fields] == NULL);
497 table_print_code (lf *file,
503 field_nr < entry->nr_fields;
506 char *chp = entry->field[field_nr];
507 int in_bit_field = 0;
509 lf_indent_suppress(file);
517 nr += lf_putchr(file, '_');
519 else if (in_bit_field && chp[0] == ':')
521 nr += lf_putchr(file, '_');
523 else if (in_bit_field && *chp == '}')
525 nr += lf_putchr(file, '_');
530 nr += lf_putchr(file, *chp);
536 line_ref line = *entry->line;
537 line.line_nr += field_nr;
538 error (&line, "Bit field brace miss match\n");
540 nr += lf_putchr(file, '\n');
547 dump_line_ref (lf *file,
549 const line_ref *line,
552 lf_printf (file, "%s(line_ref*) 0x%lx", prefix, (long) line);
555 lf_indent (file, +1);
556 lf_printf (file, "\n(line_nr %d)", line->line_nr);
557 lf_printf (file, "\n(file_name %s)", line->file_name);
558 lf_indent (file, -1);
560 lf_printf (file, "%s", suffix);
565 table_entry_type_to_str (table_entry_type type)
569 case table_code_entry: return "code-entry";
570 case table_colon_entry: return "colon-entry";
576 dump_table_entry(lf *file,
578 const table_entry *entry,
581 lf_printf (file, "%s(table_entry*) 0x%lx", prefix, (long) entry);
585 lf_indent (file, +1);
586 dump_line_ref (file, "\n(line ", entry->line, ")");
587 lf_printf (file, "\n(type %s)", table_entry_type_to_str (entry->type));
588 lf_printf (file, "\n(nr_fields %d)", entry->nr_fields);
589 lf_printf (file, "\n(fields");
590 lf_indent (file, +1);
591 for (field = 0; field < entry->nr_fields; field++)
592 lf_printf (file, "\n\"%s\"", entry->field[field]);
593 lf_indent (file, -1);
594 lf_printf (file, ")");
595 lf_indent (file, -1);
597 lf_printf (file, "%s", suffix);
603 main(int argc, char **argv)
612 printf("Usage: table <file>\n");
616 t = table_open (argv[1]);
617 l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-table");
623 entry = table_read (t);
625 sprintf (line, "(%d ", line_nr);
626 dump_table_entry (l, line, entry, ")\n");
628 while (entry != NULL);