2 * Copyright (c) 1989 The Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * $FreeBSD: src/usr.bin/yacc/reader.c,v 1.8.2.1 2001/10/05 03:00:44 obrien Exp $
37 * $DragonFly: src/usr.bin/yacc/reader.c,v 1.5 2005/01/05 15:26:05 joerg Exp $
39 * @(#)reader.c 5.7 (Berkeley) 1/20/91
46 /* The line size must be a positive integer. One hundred was chosen */
47 /* because few lines in Yacc input grammars exceed 100 characters. */
48 /* Note that if a line exceeds LINESIZE characters, the line buffer */
49 /* will be expanded to accomodate it. */
59 char saw_eof, unionized;
78 static const char line_format[] = "#line %d \"%s\"\n";
80 static void add_symbol(void);
81 static void advance_to_start(void);
82 static void cachec(int);
83 static void check_symbols(void);
84 static void copy_action(void);
85 static void copy_ident(void);
86 static void copy_text(void);
87 static void copy_union(void);
88 static void declare_start(void);
89 static void declare_tokens(int);
90 static void declare_types(void);
91 static char *dup_line(void);
92 static void end_rule(void);
93 static void expand_items(void);
94 static void expand_rules(void);
95 static void free_tags(void);
96 static void get_line(void);
97 static bucket *get_literal(void);
98 static bucket *get_name(void);
99 static int get_number(void);
100 static char *get_tag(void);
101 static int hexval(int);
102 static void initialize_grammar(void);
103 static void insert_empty_rule(void);
104 static int is_reserved(char *);
105 static int keyword(void);
106 static int mark_symbol(void);
107 static int nextc(void);
108 static void pack_grammar(void);
109 static void pack_names(void);
110 static void pack_symbols(void);
111 static void print_grammar(void);
112 static void read_declarations(void);
113 static void read_grammar(void);
114 static void skip_comment(void);
115 static void start_rule(bucket *, int);
121 if (cinc >= cache_size)
124 cache = REALLOC(cache, cache_size);
125 if (cache == 0) no_space();
135 FILE *f = input_file;
139 if (saw_eof || (c = getc(f)) == EOF)
141 if (line) { FREE(line); line = NULL; }
147 if (line == 0 || linesize != (LINESIZE + 1))
149 if (line) FREE(line);
150 linesize = LINESIZE + 1;
151 line = MALLOC(linesize);
152 if (line == 0) no_space();
160 if (c == '\n') { cptr = line; return; }
163 linesize += LINESIZE;
164 line = REALLOC(line, linesize);
165 if (line == 0) no_space();
184 if (line == 0) return (0);
186 while (*s != '\n') ++s;
187 p = MALLOC(s - line + 1);
188 if (p == 0) no_space();
192 while ((*t++ = *s++) != '\n') continue;
202 int st_lineno = lineno;
203 char *st_line = dup_line();
204 char *st_cptr = st_line + (cptr - line);
209 if (*s == '*' && s[1] == '/')
219 unterminated_comment(st_lineno, st_line, st_cptr);
247 if (line == 0) return (EOF);
273 else if (s[1] == '/')
276 if (line == 0) return (EOF);
294 const char *t_cptr = cptr;
304 if (isupper(c)) c = tolower(c);
307 else if (isdigit(c) || c == '_' || c == '.' || c == '$')
315 if (strcmp(cache, "token") == 0 || strcmp(cache, "term") == 0)
317 if (strcmp(cache, "type") == 0)
319 if (strcmp(cache, "left") == 0)
321 if (strcmp(cache, "right") == 0)
323 if (strcmp(cache, "nonassoc") == 0 || strcmp(cache, "binary") == 0)
325 if (strcmp(cache, "start") == 0)
327 if (strcmp(cache, "union") == 0)
329 if (strcmp(cache, "ident") == 0)
331 if (strcmp(cache, "expect") == 0)
339 if (c == '%' || c == '\\')
350 syntax_error(lineno, line, t_cptr);
360 FILE *f = output_file;
363 if (c == EOF) unexpected_EOF();
364 if (c != '"') syntax_error(lineno, line, cptr);
366 fprintf(f, "#ident \"");
392 int need_newline = 0;
393 int t_lineno = lineno;
394 char *t_line = dup_line();
395 const char *t_cptr = t_line + (cptr - line - 2);
401 unterminated_text(t_lineno, t_line, t_cptr);
403 if (!lflag) fprintf(f, line_format, lineno, input_file_name);
415 unterminated_text(t_lineno, t_line, t_cptr);
420 int s_lineno = lineno;
421 char *s_line = dup_line();
422 const char *s_cptr = s_line + (cptr - line - 1);
437 unterminated_string(s_lineno, s_line, s_cptr);
446 unterminated_string(s_lineno, s_line, s_cptr);
459 while ((c = *++cptr) != '\n')
461 if (c == '*' && cptr[1] == '/')
471 int c_lineno = lineno;
472 char *c_line = dup_line();
473 const char *c_cptr = c_line + (cptr - line - 1);
481 if (c == '*' && *cptr == '/')
492 unterminated_comment(c_lineno, c_line, c_cptr);
503 if (need_newline) putc('\n', f);
524 int u_lineno = lineno;
525 char *u_line = dup_line();
526 const char *u_cptr = u_line + (cptr - line - 6);
528 if (unionized) over_unionized(cptr - 6);
532 fprintf(text_file, line_format, lineno, input_file_name);
534 fprintf(text_file, "typedef union");
535 if (dflag) fprintf(union_file, "typedef union");
541 if (dflag) putc(c, union_file);
547 if (line == 0) unterminated_union(u_lineno, u_line, u_cptr);
557 fprintf(text_file, " YYSTYPE;\n");
566 int s_lineno = lineno;
567 char *s_line = dup_line();
568 const char *s_cptr = s_line + (cptr - line - 1);
575 if (dflag) putc(c, union_file);
582 unterminated_string(s_lineno, s_line, s_cptr);
587 if (dflag) putc(c, union_file);
592 unterminated_string(s_lineno, s_line, s_cptr);
602 putc('*', text_file);
603 if (dflag) putc('*', union_file);
604 while ((c = *++cptr) != '\n')
606 if (c == '*' && cptr[1] == '/')
608 fprintf(text_file, "* ");
609 if (dflag) fprintf(union_file, "* ");
614 if (dflag) putc(c, union_file);
617 fprintf(text_file, "*/\n");
618 if (dflag) fprintf(union_file, "*/\n");
623 int c_lineno = lineno;
624 char *c_line = dup_line();
625 const char *c_cptr = c_line + (cptr - line - 1);
627 putc('*', text_file);
628 if (dflag) putc('*', union_file);
634 if (dflag) putc(c, union_file);
635 if (c == '*' && *cptr == '/')
637 putc('/', text_file);
638 if (dflag) putc('/', union_file);
647 unterminated_comment(c_lineno, c_line, c_cptr);
662 if (c >= '0' && c <= '9')
664 if (c >= 'A' && c <= 'F')
665 return (c - 'A' + 10);
666 if (c >= 'a' && c <= 'f')
667 return (c - 'a' + 10);
680 int s_lineno = lineno;
681 char *s_line = dup_line();
682 const char *s_cptr = s_line + (cptr - line);
689 if (c == quote) break;
690 if (c == '\n') unterminated_string(s_lineno, s_line, s_cptr);
693 const char *c_cptr = cptr - 1;
700 if (line == 0) unterminated_string(s_lineno, s_line, s_cptr);
703 case '0': case '1': case '2': case '3':
704 case '4': case '5': case '6': case '7':
709 n = (n << 3) + (c - '0');
713 n = (n << 3) + (c - '0');
717 if (n > MAXCHAR) illegal_character(c_cptr);
724 if (n < 0 || n >= 16)
725 illegal_character(c_cptr);
730 if (i < 0 || i >= 16) break;
733 if (n > MAXCHAR) illegal_character(c_cptr);
738 case 'a': c = 7; break;
739 case 'b': c = '\b'; break;
740 case 'f': c = '\f'; break;
741 case 'n': c = '\n'; break;
742 case 'r': c = '\r'; break;
743 case 't': c = '\t'; break;
744 case 'v': c = '\v'; break;
753 if (s == 0) no_space();
755 for (i = 0; i < n; ++i)
764 for (i = 0; i < n; ++i)
766 c = ((unsigned char *)s)[i];
767 if (c == '\\' || c == cache[0])
779 case 7: cachec('a'); break;
780 case '\b': cachec('b'); break;
781 case '\f': cachec('f'); break;
782 case '\n': cachec('n'); break;
783 case '\r': cachec('r'); break;
784 case '\t': cachec('t'); break;
785 case '\v': cachec('v'); break;
787 cachec(((c >> 6) & 7) + '0');
788 cachec(((c >> 3) & 7) + '0');
789 cachec((c & 7) + '0');
803 if (n == 1 && bp->value == UNDEFINED)
804 bp->value = *(unsigned char *)s;
812 is_reserved(char *name)
816 if (strcmp(name, ".") == 0 ||
817 strcmp(name, "$accept") == 0 ||
818 strcmp(name, "$end") == 0)
821 if (name[0] == '$' && name[1] == '$' && isdigit(name[2]))
824 while (isdigit(*s)) ++s;
825 if (*s == NUL) return (1);
838 for (c = *cptr; IS_IDENT(c); c = *++cptr)
842 if (is_reserved(cache)) used_reserved(cache);
844 return (lookup(cache));
855 for (c = *cptr; isdigit(c); c = *++cptr)
856 n = 10*n + (c - '0');
868 int t_lineno = lineno;
869 char *t_line = dup_line();
870 const char *t_cptr = t_line + (cptr - line);
874 if (c == EOF) unexpected_EOF();
875 if (!isalpha(c) && c != '_' && c != '$')
876 illegal_tag(t_lineno, t_line, t_cptr);
879 do { cachec(c); c = *++cptr; } while (IS_IDENT(c));
883 if (c == EOF) unexpected_EOF();
885 illegal_tag(t_lineno, t_line, t_cptr);
888 for (i = 0; i < ntags; ++i)
890 if (strcmp(cache, tag_table[i]) == 0)
891 return (tag_table[i]);
897 tag_table = (char **)
898 (tag_table ? REALLOC(tag_table, tagmax*sizeof(char *))
899 : MALLOC(tagmax*sizeof(char *)));
900 if (tag_table == 0) no_space();
904 if (s == 0) no_space();
906 tag_table[ntags] = s;
914 declare_tokens(int assoc)
921 if (assoc != TOKEN) ++prec;
924 if (c == EOF) unexpected_EOF();
929 if (c == EOF) unexpected_EOF();
934 if (isalpha(c) || c == '_' || c == '.' || c == '$')
936 else if (c == '\'' || c == '"')
941 if (bp == goal) tokenized_start(bp->name);
946 if (bp->tag && tag != bp->tag)
947 retyped_warning(bp->name);
953 if (bp->prec && prec != bp->prec)
954 reprec_warning(bp->name);
960 if (c == EOF) unexpected_EOF();
964 value = get_number();
965 if (bp->value != UNDEFINED && value != bp->value)
966 revalued_warning(bp->name);
969 if (c == EOF) unexpected_EOF();
976 * %expect requires special handling
977 * as it really isn't part of the yacc
978 * grammar only a flag for yacc proper.
981 declare_expect(int assoc)
985 if (assoc != EXPECT) ++prec;
988 * Stay away from nextc - doesn't
989 * detect EOL and will read to EOF.
992 if (c == EOF) unexpected_EOF();
998 SRexpect = get_number();
1002 * Looking for number before EOL.
1003 * Spaces, tabs, and numbers are ok,
1004 * words, punc., etc. are syntax errors.
1006 else if (c == '\n' || isalpha(c) || !isspace(c))
1008 syntax_error(lineno, line, cptr);
1013 if (c == EOF) unexpected_EOF();
1027 if (c == EOF) unexpected_EOF();
1028 if (c != '<') syntax_error(lineno, line, cptr);
1034 if (isalpha(c) || c == '_' || c == '.' || c == '$')
1036 else if (c == '\'' || c == '"')
1041 if (bp->tag && tag != bp->tag)
1042 retyped_warning(bp->name);
1055 if (c == EOF) unexpected_EOF();
1056 if (!isalpha(c) && c != '_' && c != '.' && c != '$')
1057 syntax_error(lineno, line, cptr);
1059 if (bp->class == TERM)
1060 terminal_start(bp->name);
1061 if (goal && goal != bp)
1062 restarted_warning();
1068 read_declarations(void)
1073 cache = MALLOC(cache_size);
1074 if (cache == 0) no_space();
1079 if (c == EOF) unexpected_EOF();
1080 if (c != '%') syntax_error(lineno, line, cptr);
1081 switch (k = keyword())
1122 initialize_grammar(void)
1126 pitem = (bucket **) MALLOC(maxitems*sizeof(bucket *));
1127 if (pitem == 0) no_space();
1135 plhs = (bucket **) MALLOC(maxrules*sizeof(bucket *));
1136 if (plhs == 0) no_space();
1140 rprec = (short *) MALLOC(maxrules*sizeof(short));
1141 if (rprec == 0) no_space();
1145 rassoc = (char *) MALLOC(maxrules*sizeof(char));
1146 if (rassoc == 0) no_space();
1157 pitem = (bucket **) REALLOC(pitem, maxitems*sizeof(bucket *));
1158 if (pitem == 0) no_space();
1166 plhs = (bucket **) REALLOC(plhs, maxrules*sizeof(bucket *));
1167 if (plhs == 0) no_space();
1168 rprec = (short *) REALLOC(rprec, maxrules*sizeof(short));
1169 if (rprec == 0) no_space();
1170 rassoc = (char *) REALLOC(rassoc, maxrules*sizeof(char));
1171 if (rassoc == 0) no_space();
1176 advance_to_start(void)
1186 if (c != '%') break;
1202 syntax_error(lineno, line, s_cptr);
1207 if (!isalpha(c) && c != '_' && c != '.' && c != '_')
1208 syntax_error(lineno, line, cptr);
1212 if (bp->class == TERM)
1213 terminal_start(bp->name);
1219 if (c == EOF) unexpected_EOF();
1220 if (c != ':') syntax_error(lineno, line, cptr);
1221 start_rule(bp, s_lineno);
1227 start_rule(bucket *bp, int s_lineno)
1229 if (bp->class == TERM)
1230 terminal_lhs(s_lineno);
1231 bp->class = NONTERM;
1232 if (nrules >= maxrules)
1235 rprec[nrules] = UNDEFINED;
1236 rassoc[nrules] = TOKEN;
1245 if (!last_was_action && plhs[nrules]->tag)
1247 for (i = nitems - 1; pitem[i]; --i) continue;
1248 if (pitem[i+1] == 0 || pitem[i+1]->tag != plhs[nrules]->tag)
1249 default_action_warning();
1252 last_was_action = 0;
1253 if (nitems >= maxitems) expand_items();
1261 insert_empty_rule(void)
1266 sprintf(cache, "$$%d", ++gensym);
1267 bp = make_bucket(cache);
1268 last_symbol->next = bp;
1270 bp->tag = plhs[nrules]->tag;
1271 bp->class = NONTERM;
1273 if ((nitems += 2) > maxitems)
1275 bpp = pitem + nitems - 1;
1277 while ((bpp[0] = bpp[-1])) --bpp;
1279 if (++nrules >= maxrules)
1281 plhs[nrules] = plhs[nrules-1];
1282 plhs[nrules-1] = bp;
1283 rprec[nrules] = rprec[nrules-1];
1284 rprec[nrules-1] = 0;
1285 rassoc[nrules] = rassoc[nrules-1];
1286 rassoc[nrules-1] = TOKEN;
1295 int s_lineno = lineno;
1298 if (c == '\'' || c == '"')
1307 start_rule(bp, s_lineno);
1312 if (last_was_action)
1313 insert_empty_rule();
1314 last_was_action = 0;
1316 if (++nitems > maxitems)
1318 pitem[nitems-1] = bp;
1330 FILE *f = action_file;
1331 int a_lineno = lineno;
1332 char *a_line = dup_line();
1333 char *a_cptr = a_line + (cptr - line);
1335 if (last_was_action)
1336 insert_empty_rule();
1337 last_was_action = 1;
1339 fprintf(f, "case %d:\n", nrules - 2);
1341 fprintf(f, line_format, lineno, input_file_name);
1342 if (*cptr == '=') ++cptr;
1345 for (i = nitems - 1; pitem[i]; --i) ++n;
1354 int d_lineno = lineno;
1355 char *d_line = dup_line();
1356 char *d_cptr = d_line + (cptr - line);
1363 fprintf(f, "yyval.%s", tag);
1368 else if (isdigit(c))
1371 if (i > n) dollar_warning(d_lineno, i);
1372 fprintf(f, "yyvsp[%d].%s", i - n, tag);
1376 else if (c == '-' && isdigit(cptr[1]))
1379 i = -get_number() - n;
1380 fprintf(f, "yyvsp[%d].%s", i, tag);
1385 dollar_error(d_lineno, d_line, d_cptr);
1387 else if (cptr[1] == '$')
1391 tag = plhs[nrules]->tag;
1392 if (tag == 0) untyped_lhs();
1393 fprintf(f, "yyval.%s", tag);
1396 fprintf(f, "yyval");
1400 else if (isdigit(cptr[1]))
1406 if (i <= 0 || i > n)
1408 tag = pitem[nitems + i - n - 1]->tag;
1409 if (tag == 0) untyped_rhs(i, pitem[nitems + i - n - 1]->name);
1410 fprintf(f, "yyvsp[%d].%s", i - n, tag);
1415 dollar_warning(lineno, i);
1416 fprintf(f, "yyvsp[%d]", i - n);
1420 else if (cptr[1] == '-')
1426 fprintf(f, "yyvsp[%d]", -i - n);
1430 if (isalpha(c) || c == '_' || c == '$')
1436 } while (isalnum(c) || c == '_' || c == '$');
1446 if (line) goto loop;
1447 unterminated_action(a_lineno, a_line, a_cptr);
1450 if (depth > 0) goto loop;
1451 fprintf(f, "\nbreak;\n");
1459 if (--depth > 0) goto loop;
1460 fprintf(f, "\nbreak;\n");
1466 int s_lineno = lineno;
1467 char *s_line = dup_line();
1468 char *s_cptr = s_line + (cptr - line - 1);
1481 unterminated_string(s_lineno, s_line, s_cptr);
1490 unterminated_string(s_lineno, s_line, s_cptr);
1501 while ((c = *++cptr) != '\n')
1503 if (c == '*' && cptr[1] == '/')
1513 int c_lineno = lineno;
1514 char *c_line = dup_line();
1515 char *c_cptr = c_line + (cptr - line - 1);
1523 if (c == '*' && *cptr == '/')
1534 unterminated_comment(c_lineno, c_line, c_cptr);
1553 if (c == '%' || c == '\\')
1561 else if ((c == 'p' || c == 'P') &&
1562 ((c = cptr[2]) == 'r' || c == 'R') &&
1563 ((c = cptr[3]) == 'e' || c == 'E') &&
1564 ((c = cptr[4]) == 'c' || c == 'C') &&
1565 ((c = cptr[5], !IS_IDENT(c))))
1568 syntax_error(lineno, line, cptr);
1571 if (isalpha(c) || c == '_' || c == '.' || c == '$')
1573 else if (c == '\'' || c == '"')
1577 syntax_error(lineno, line, cptr);
1581 if (rprec[nrules] != UNDEFINED && bp->prec != rprec[nrules])
1584 rprec[nrules] = bp->prec;
1585 rassoc[nrules] = bp->assoc;
1595 initialize_grammar();
1601 if (c == EOF) break;
1602 if (isalpha(c) || c == '_' || c == '.' || c == '$' || c == '\'' ||
1605 else if (c == '{' || c == '=')
1610 start_rule(plhs[nrules-1], 0);
1615 if (mark_symbol()) break;
1618 syntax_error(lineno, line, cptr);
1629 if (tag_table == 0) return;
1631 for (i = 0; i < ntags; ++i)
1633 assert(tag_table[i]);
1646 name_pool_size = 13; /* 13 == sizeof("$end") + sizeof("$accept") */
1647 for (bp = first_symbol; bp; bp = bp->next)
1648 name_pool_size += strlen(bp->name) + 1;
1649 name_pool = MALLOC(name_pool_size);
1650 if (name_pool == 0) no_space();
1652 strcpy(name_pool, "$accept");
1653 strcpy(name_pool+8, "$end");
1655 for (bp = first_symbol; bp; bp = bp->next)
1659 while ((*t++ = *s++)) continue;
1671 if (goal->class == UNKNOWN)
1672 undefined_goal(goal->name);
1674 for (bp = first_symbol; bp; bp = bp->next)
1676 if (bp->class == UNKNOWN)
1678 undefined_symbol_warning(bp->name);
1694 for (bp = first_symbol; bp; bp = bp->next)
1697 if (bp->class == TERM) ++ntokens;
1699 start_symbol = ntokens;
1700 nvars = nsyms - ntokens;
1702 symbol_name = (char **) MALLOC(nsyms*sizeof(char *));
1703 if (symbol_name == 0) no_space();
1704 symbol_value = (short *) MALLOC(nsyms*sizeof(short));
1705 if (symbol_value == 0) no_space();
1706 symbol_prec = (short *) MALLOC(nsyms*sizeof(short));
1707 if (symbol_prec == 0) no_space();
1708 symbol_assoc = MALLOC(nsyms);
1709 if (symbol_assoc == 0) no_space();
1711 v = (bucket **) MALLOC(nsyms*sizeof(bucket *));
1712 if (v == 0) no_space();
1715 v[start_symbol] = 0;
1718 j = start_symbol + 1;
1719 for (bp = first_symbol; bp; bp = bp->next)
1721 if (bp->class == TERM)
1726 assert(i == ntokens && j == nsyms);
1728 for (i = 1; i < ntokens; ++i)
1731 goal->index = start_symbol + 1;
1732 k = start_symbol + 2;
1742 for (i = start_symbol + 1; i < nsyms; ++i)
1752 for (i = 1; i < ntokens; ++i)
1757 for (j = k++; j > 0 && symbol_value[j-1] > n; --j)
1758 symbol_value[j] = symbol_value[j-1];
1759 symbol_value[j] = n;
1763 if (v[1]->value == UNDEFINED)
1768 for (i = 2; i < ntokens; ++i)
1770 if (v[i]->value == UNDEFINED)
1772 while (j < k && n == symbol_value[j])
1774 while (++j < k && n == symbol_value[j]) continue;
1782 symbol_name[0] = name_pool + 8;
1783 symbol_value[0] = 0;
1785 symbol_assoc[0] = TOKEN;
1786 for (i = 1; i < ntokens; ++i)
1788 symbol_name[i] = v[i]->name;
1789 symbol_value[i] = v[i]->value;
1790 symbol_prec[i] = v[i]->prec;
1791 symbol_assoc[i] = v[i]->assoc;
1793 symbol_name[start_symbol] = name_pool;
1794 symbol_value[start_symbol] = -1;
1795 symbol_prec[start_symbol] = 0;
1796 symbol_assoc[start_symbol] = TOKEN;
1797 for (++i; i < nsyms; ++i)
1800 symbol_name[k] = v[i]->name;
1801 symbol_value[k] = v[i]->value;
1802 symbol_prec[k] = v[i]->prec;
1803 symbol_assoc[k] = v[i]->assoc;
1814 int assoc, loc_prec;
1816 ritem = (short *) MALLOC(nitems*sizeof(short));
1817 if (ritem == 0) no_space();
1818 rlhs = (short *) MALLOC(nrules*sizeof(short));
1819 if (rlhs == 0) no_space();
1820 rrhs = (short *) MALLOC((nrules+1)*sizeof(short));
1821 if (rrhs == 0) no_space();
1822 rprec = (short *) REALLOC(rprec, nrules*sizeof(short));
1823 if (rprec == 0) no_space();
1824 rassoc = REALLOC(rassoc, nrules);
1825 if (rassoc == 0) no_space();
1828 ritem[1] = goal->index;
1833 rlhs[2] = start_symbol;
1839 for (i = 3; i < nrules; ++i)
1841 rlhs[i] = plhs[i]->index;
1847 ritem[j] = pitem[j]->index;
1848 if (pitem[j]->class == TERM)
1850 loc_prec = pitem[j]->prec;
1851 assoc = pitem[j]->assoc;
1857 if (rprec[i] == UNDEFINED)
1859 rprec[i] = loc_prec;
1875 FILE *f = verbose_file;
1880 for (i = 2; i < nrules; ++i)
1882 if (rlhs[i] != rlhs[i-1])
1884 if (i != 2) fprintf(f, "\n");
1885 fprintf(f, "%4d %s :", i - 2, symbol_name[rlhs[i]]);
1886 spacing = strlen(symbol_name[rlhs[i]]) + 1;
1890 fprintf(f, "%4d ", i - 2);
1892 while (--j >= 0) putc(' ', f);
1896 while (ritem[k] >= 0)
1898 fprintf(f, " %s", symbol_name[ritem[k]]);
1910 write_section(banner);
1911 create_symbol_table();
1912 read_declarations();
1914 free_symbol_table();