/*-----------------------------------------------------------*/
/*--- Constructor(s) ----------------------------------------*/
/*-----------------------------------------------------------*/
/** Simple constructor. Note: this should not be used until the number
* of terminals in the grammar has been established.
*/
public parse_reduce_row()
{
/* make sure the size is Set */
if (_size <= 0 ) _size = non_terminal.number();
/* allocate the array */
under_non_term = new lalr_state[size()];
}
/*-----------------------------------------------------------*/
/*--- Constructor(s) ----------------------------------------*/
/*-----------------------------------------------------------*/
/** Simple constructor.
* @param shft_to the state that this action shifts to.
*/
public shift_action(lalr_state shft_to)
{
/* sanity check */
if (shft_to == null)
throw new internal_error(
"Attempt to create a shift_action to a null state");
_shift_to = shft_to;
}
/*-----------------------------------------------------------*/
/*--- Constructor(s) ----------------------------------------*/
/*-----------------------------------------------------------*/
/** Simple constructor.
* @param shft_to the state that this action shifts to.
*/
public shift_action(lalr_state shft_to)
{
/* sanity check */
if (shft_to == null)
{
throw new internal_error(
"Attempt to create a shift_action to a null state");
}
_shift_to = shft_to;
}
/*-----------------------------------------------------------*/
/*--- Constructor(s) ----------------------------------------*/
/*-----------------------------------------------------------*/
/** Simple constructor. Note: this should not be used until the number
* of terminals in the grammar has been established.
*/
public parse_reduce_row()
{
/* make sure the size is Set */
if (_size <= 0)
{
_size = non_terminal.number();
}
/* allocate the array */
under_non_term = new lalr_state[size()];
}
/*-----------------------------------------------------------*/
/*--- Constructor(s) ----------------------------------------*/
/*-----------------------------------------------------------*/
/** Full constructor.
* @param on_sym symbol we are transitioning on.
* @param to_st state we transition to.
* @param nxt next transition in linked list.
*/
public lalr_transition(symbol on_sym, lalr_state to_st, lalr_transition nxt)
{
/* sanity checks */
if (on_sym == null)
throw new internal_error("Attempt to create transition on null symbol");
if (to_st == null)
throw new internal_error("Attempt to create transition to null state");
/* initialize */
_on_symbol = on_sym;
_to_state = to_st;
_next = nxt;
}
/*-----------------------------------------------------------*/
/*--- Constructor(s) ----------------------------------------*/
/*-----------------------------------------------------------*/
/** Full constructor.
* @param on_sym symbol we are transitioning on.
* @param to_st state we transition to.
* @param nxt next transition in linked list.
*/
public lalr_transition(symbol on_sym, lalr_state to_st, lalr_transition nxt)
{
/* sanity checks */
if (on_sym == null)
{
throw new internal_error("Attempt to create transition on null symbol");
}
if (to_st == null)
{
throw new internal_error("Attempt to create transition to null state");
}
/* initialize */
_on_symbol = on_sym;
_to_state = to_st;
_next = nxt;
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/** Constructor with null next.
* @param on_sym symbol we are transitioning on.
* @param to_st state we transition to.
*/
public lalr_transition(symbol on_sym, lalr_state to_st)
: this(on_sym,to_st,null)
{
// this(on_sym, to_st, null);
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/** Constructor with null next.
* @param on_sym symbol we are transitioning on.
* @param to_st state we transition to.
*/
public lalr_transition(symbol on_sym, lalr_state to_st) : this(on_sym, to_st, null)
{
// this(on_sym, to_st, null);
}
