-/* Type definitions for nondeterministic finite state machine for Bison.
+/* Type definitions for the finite state machine for Bison.
- Copyright (C) 1984, 1989, 2000-2004, 2007, 2009-2010 Free Software
+ Copyright (C) 1984, 1989, 2000-2004, 2007, 2009-2013 Free Software
Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
TRANSITIONS->states[Num]? Can be a token (amongst which the error
token), or non terminals in case of gotos. */
-#define TRANSITION_SYMBOL(Transitions, Num) \
+# define TRANSITION_SYMBOL(Transitions, Num) \
(Transitions->states[Num]->accessing_symbol)
/* Is the TRANSITIONS->states[Num] a shift? (as opposed to gotos). */
-#define TRANSITION_IS_SHIFT(Transitions, Num) \
+# define TRANSITION_IS_SHIFT(Transitions, Num) \
(ISTOKEN (TRANSITION_SYMBOL (Transitions, Num)))
/* Is the TRANSITIONS->states[Num] a goto?. */
-#define TRANSITION_IS_GOTO(Transitions, Num) \
+# define TRANSITION_IS_GOTO(Transitions, Num) \
(!TRANSITION_IS_SHIFT (Transitions, Num))
/* Is the TRANSITIONS->states[Num] labelled by the error token? */
-#define TRANSITION_IS_ERROR(Transitions, Num) \
+# define TRANSITION_IS_ERROR(Transitions, Num) \
(TRANSITION_SYMBOL (Transitions, Num) == errtoken->number)
/* When resolving a SR conflicts, if the reduction wins, the shift is
disabled. */
-#define TRANSITION_DISABLE(Transitions, Num) \
+# define TRANSITION_DISABLE(Transitions, Num) \
(Transitions->states[Num] = NULL)
-#define TRANSITION_IS_DISABLED(Transitions, Num) \
+# define TRANSITION_IS_DISABLED(Transitions, Num) \
(Transitions->states[Num] == NULL)
/* Iterate over each transition over a token (shifts). */
-#define FOR_EACH_SHIFT(Transitions, Iter) \
- for (Iter = 0; \
- Iter < Transitions->num \
- && (TRANSITION_IS_DISABLED (Transitions, Iter) \
- || TRANSITION_IS_SHIFT (Transitions, Iter)); \
- ++Iter) \
+# define FOR_EACH_SHIFT(Transitions, Iter) \
+ for (Iter = 0; \
+ Iter < Transitions->num \
+ && (TRANSITION_IS_DISABLED (Transitions, Iter) \
+ || TRANSITION_IS_SHIFT (Transitions, Iter)); \
+ ++Iter) \
if (!TRANSITION_IS_DISABLED (Transitions, Iter))
/* Create a new state with ACCESSING_SYMBOL for those items. */
state *state_new (symbol_number accessing_symbol,
- size_t core_size, item_number *core);
+ size_t core_size, item_number *core);
state *state_new_isocore (state const *s);
/* Set the transitions of STATE. */
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);
+ FILE *out, int level);
/* Create/destroy the states hash table. */
void state_hash_new (void);