} symbol_list;
int lineno;
-short *user_toknums;
static symbol_list *grammar;
static int start_flag;
static bucket *startval;
/* Above loop exits when C is '}'. */
if (--count)
- {
- obstack_1grow (&action_obstack, c);
- c = getc (finput);
- }
+ obstack_1grow (&action_obstack, c);
}
obstack_1grow (&action_obstack, '\0');
p = symbol_list_new (sdummy);
/* Attach its lineno to that of the host rule. */
p->line = crule->line;
+ /* Move the action from the host rule to this one. */
+ p->action = crule->action;
+ p->action_line = crule->action_line;
+ crule->action = NULL;
+
if (crule1)
crule1->next = p;
else
int tokno = 1;
int last_user_token_number;
- user_toknums = XCALLOC (short, nsyms + 1);
symbols = XCALLOC (bucket *, nsyms);
max_user_token_number = 256;
}
symbols[bp->value] = bp;
- user_toknums[bp->value] = bp->user_token_number;
}
token_translations_init ();
}
-/*---------------------------------------------------------------.
-| Save the definition of token names in the `TOKENDEFS' muscle. |
-`---------------------------------------------------------------*/
-
-static void
-symbols_save (void)
-{
- struct obstack tokendefs;
- bucket *bp;
- obstack_init (&tokendefs);
-
- for (bp = firstsymbol; bp; bp = bp->next)
- {
- char *symbol = bp->tag; /* get symbol */
-
- if (bp->value >= ntokens)
- continue;
- if (bp->user_token_number == SALIAS)
- continue;
- if ('\'' == *symbol)
- continue; /* skip literal character */
- if (bp == errtoken)
- continue; /* skip error token */
- if ('\"' == *symbol)
- {
- /* use literal string only if given a symbol with an alias */
- if (bp->alias)
- symbol = bp->alias->tag;
- else
- continue;
- }
-
- /* Don't #define nonliteral tokens whose names contain periods. */
- if (strchr (symbol, '.'))
- continue;
-
- obstack_fgrow2 (&tokendefs, "# define %s\t%d\n",
- symbol, bp->user_token_number);
- if (semantic_parser)
- /* FIXME: This is probably wrong, and should be just as
- above. --akim. */
- obstack_fgrow2 (&tokendefs, "# define T%s\t%d\n", symbol, bp->value);
- }
-
- obstack_1grow (&tokendefs, 0);
- muscle_insert ("tokendef", xstrdup (obstack_finish (&tokendefs)));
- obstack_free (&tokendefs, NULL);
-}
-
-
/*---------------------------------------------------------------.
| Convert the rules into the representation using RRHS, RLHS and |
| RITEMS. |
fatal (_("too many items (max %d)"), MAXSHORT);
ritem = XCALLOC (short, nitems + 1);
- rule_table = XCALLOC (rule_t, nrules) - 1;
+ rules = XCALLOC (rule_t, nrules) - 1;
itemno = 0;
ruleno = 1;
while (p)
{
bucket *ruleprec = p->ruleprec;
- rule_table[ruleno].lhs = p->sym->value;
- rule_table[ruleno].rhs = itemno;
- rule_table[ruleno].line = p->line;
- rule_table[ruleno].useful = TRUE;
- rule_table[ruleno].action = p->action;
- rule_table[ruleno].action_line = p->action_line;
- rule_table[ruleno].guard = p->guard;
- rule_table[ruleno].guard_line = p->guard_line;
+ rules[ruleno].lhs = p->sym->value;
+ rules[ruleno].rhs = itemno;
+ rules[ruleno].line = p->line;
+ rules[ruleno].useful = TRUE;
+ rules[ruleno].action = p->action;
+ rules[ruleno].action_line = p->action_line;
+ rules[ruleno].guard = p->guard;
+ rules[ruleno].guard_line = p->guard_line;
p = p->next;
while (p && p->sym)
of the last token in it. */
if (p->sym->class == token_sym)
{
- rule_table[ruleno].prec = p->sym->prec;
- rule_table[ruleno].assoc = p->sym->assoc;
+ rules[ruleno].prec = p->sym->prec;
+ rules[ruleno].assoc = p->sym->assoc;
}
if (p)
p = p->next;
the specified symbol's precedence replaces the default. */
if (ruleprec)
{
- rule_table[ruleno].prec = ruleprec->prec;
- rule_table[ruleno].assoc = ruleprec->assoc;
- rule_table[ruleno].precsym = ruleprec->value;
+ rules[ruleno].prec = ruleprec->prec;
+ rules[ruleno].assoc = ruleprec->assoc;
+ rules[ruleno].precsym = ruleprec->value;
}
ritem[itemno++] = -ruleno;
/* Assign the symbols their symbol numbers. Write #defines for the
token symbols into FDEFINES if requested. */
packsymbols ();
- /* Save them. */
- symbols_save ();
/* Convert the grammar into the format described in gram.h. */
packgram ();
+
+ /* The grammar as a symbol_list is no longer needed. */
+ LIST_FREE (symbol_list, grammar);
}