X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/20c1e2ad9841d06212465ce0b81c771d08c9ec51..55f0c7b1f26afabb7f356343f2650626e09fce51:/src/tables.h?ds=sidebyside diff --git a/src/tables.h b/src/tables.h index 27ff7b54..911917fd 100644 --- a/src/tables.h +++ b/src/tables.h @@ -1,5 +1,5 @@ /* Prepare the LALR and GLR parser tables. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2004 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -15,8 +15,8 @@ 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., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef TABLES_H_ # define TABLES_H_ @@ -56,7 +56,7 @@ something else to do. YYPACT[S] = index in YYTABLE of the portion describing state S. - The lookahead token's type is used to index that portion to find + The look-ahead token's type is used to index that portion to find out what to do. If the value in YYTABLE is positive, we shift the token and go to @@ -85,33 +85,35 @@ default (from YYDEFACT or YYDEFGOTO) should be used. Otherwise, YYTABLE[P+I] should be used. - YYFINAL = the state number of the termination state. YYFLAG = most - negative short int. Used to flag ?? */ + YYFINAL = the state number of the termination state. + + YYLAST ( = high) the number of the last element of YYTABLE, i.e., + sizeof (YYTABLE) - 1. */ extern int nvectors; -typedef int base_t; -extern base_t *base; +typedef int base_number; +extern base_number *base; /* A distinguished value of BASE, negative infinite. During the - computation equals to BASE_MIN, later mapped to BASE_NINF to + computation equals to BASE_MINIMUM, later mapped to BASE_NINF to keep parser tables small. */ -extern base_t base_ninf; +extern base_number base_ninf; extern unsigned int *conflict_table; extern unsigned int *conflict_list; extern int conflict_list_cnt; -extern base_t *table; -extern base_t *check; -/* The value used in TABLE to denote explicit parse errors +extern base_number *table; +extern base_number *check; +/* The value used in TABLE to denote explicit syntax errors (%nonassoc), a negative infinite. */ -extern base_t table_ninf; +extern base_number table_ninf; -extern state_number_t *yydefgoto; -extern rule_number_t *yydefact; +extern state_number *yydefgoto; +extern rule_number *yydefact; extern int high; -void tables_generate PARAMS ((void)); -void tables_free PARAMS ((void)); +void tables_generate (void); +void tables_free (void); #endif /* !TABLES_H_ */