X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/6ce2d93a9b49afbc196e764923d539bc0caa1120..8b9e021fd1e3b03568d4b2167c47f33ba822a1c8:/src/state.h?ds=inline diff --git a/src/state.h b/src/state.h index 390ab8af..a1ed9934 100644 --- a/src/state.h +++ b/src/state.h @@ -1,24 +1,22 @@ -/* Type definitions for nondeterministic finite state machine for Bison. +/* Type definitions for the finite state machine for Bison. - Copyright (C) 1984, 1989, 2000, 2001, 2002, 2003, 2004, 2007 Free - Software Foundation, Inc. + Copyright (C) 1984, 1989, 2000-2004, 2007, 2009-2010 Free Software + Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. - Bison is free software; you can redistribute it and/or modify + 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, or (at your option) - any later version. + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - Bison is distributed in the hope that it will be useful, + 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 Bison; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* These type definitions are used to represent a nondeterministic @@ -195,6 +193,8 @@ typedef struct | states. | `---------*/ +struct state_list; + struct state { state_number number; @@ -203,6 +203,11 @@ struct state reductions *reductions; errs *errs; + /* When an includer (such as ielr.c) needs to store states in a list, the + includer can define struct state_list as the list node structure and can + store in this member a reference to the node containing each state. */ + struct state_list *state_list; + /* If non-zero, then no lookahead sets on reduce actions are needed to decide what to do in state S. */ char consistent; @@ -210,6 +215,7 @@ struct state /* If some conflicts were solved thanks to precedence/associativity, a human readable description of the resolution. */ const char *solved_conflicts; + const char *solved_conflicts_xml; /* Its items. Must be last, since ITEMS can be arbitrarily large. Sorted ascendingly on item index in RITEM, which is sorted on rule number. */ @@ -223,6 +229,7 @@ extern state *final_state; /* Create a new state with ACCESSING_SYMBOL for those items. */ state *state_new (symbol_number accessing_symbol, size_t core_size, item_number *core); +state *state_new_isocore (state const *s); /* Set the transitions of STATE. */ void state_transitions_set (state *s, int num, state **trans); @@ -238,6 +245,8 @@ void state_errs_set (state *s, int num, symbol **errors); /* Print on OUT all the lookahead tokens such that this STATE wants to reduce R. */ void state_rule_lookahead_tokens_print (state *s, rule *r, FILE *out); +void state_rule_lookahead_tokens_print_xml (state *s, rule *r, + FILE *out, int level); /* Create/destroy the states hash table. */ void state_hash_new (void);