This is the doxygen documentation for gtkboard.

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stack.c File Reference

implements a stack for navigating undoing and redoing moves. More...

#include "stack.h"
#include "game.h"
#include "move.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>

Go to the source code of this file.

Defines
#define	STACK_SIZE   4096
	Maximum size of stack.
Functions
void	stack_free ()
void	movstack_init ()
int	movstack_get_num_moves ()
void	movstack_push (byte *board, byte *move)
byte*	movstack_pop ()
void	movstack_trunc ()
	Truncates a stack to the current poisition. More...
byte*	movstack_forw ()
byte*	movstack_back ()
void	movstack_free ()
void	statestack_push (void *state)
void*	statestack_peek ()
void*	statestack_pop ()
void	statestack_trunc ()
void*	statestack_forw ()
void*	statestack_back ()
void	statestack_free ()
Variables
int	movstack_ptr = 0
	Current position in the stack.
int	movstack_max = 0
	Current size of the stack.
byte*	movstack [STACK_SIZE]
	Array for moves.
byte*	movinvstack [STACK_SIZE]
	Array for move inverses. See mov_getinv().
int	statestack_ptr = 0
int	statestack_max = 0
void*	statestack [STACK_SIZE]

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Detailed Description

implements a stack for navigating undoing and redoing moves.

stack is as follows: 0 ---> movstack_ptr : "back" list; movstack_ptr ---> movstack_max : "forward" list

Definition in file stack.c.

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Define Documentation

#define STACK_SIZE   4096

Maximum size of stack. Definition at line 44 of file stack.c.

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Function Documentation

byte* movstack_back ( )

Definition at line 107 of file stack.c. Referenced by engine_back_move().

byte* movstack_forw ( )

Definition at line 99 of file stack.c. Referenced by engine_forw_move().

void movstack_free ( )

Definition at line 115 of file stack.c. Referenced by stack_free().

int movstack_get_num_moves ( )

Definition at line 63 of file stack.c.

void movstack_init ( )

Definition at line 58 of file stack.c.

byte* movstack_pop ( )

Definition at line 78 of file stack.c.

void movstack_push ( byte * board, byte * move )

Definition at line 68 of file stack.c.

void movstack_trunc ( )

Truncates a stack to the current poisition. This will be called when the user makes a move when it is not the final poisition. Definition at line 87 of file stack.c. Referenced by engine_make_move(), and engine_take_move().

void stack_free ( )

Definition at line 52 of file stack.c. Referenced by engine_new_game(), and engine_reset_game().

void* statestack_back ( )

Definition at line 180 of file stack.c. Referenced by engine_back_move().

void* statestack_forw ( )

Definition at line 172 of file stack.c. Referenced by engine_forw_move().

void statestack_free ( )

Definition at line 188 of file stack.c. Referenced by stack_free().

void* statestack_peek ( )

Definition at line 149 of file stack.c. Referenced by engine_make_move(), and engine_take_move().

void* statestack_pop ( )

Definition at line 156 of file stack.c.

void statestack_push ( void * state )

Definition at line 136 of file stack.c.

void statestack_trunc ( )

Definition at line 163 of file stack.c.

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Variable Documentation

byte* movinvstack[STACK_SIZE] [static]

Array for move inverses. See mov_getinv(). Definition at line 50 of file stack.c.

byte* movstack[STACK_SIZE] [static]

Array for moves. Definition at line 47 of file stack.c.

int movstack_max = 0 [static]

Current size of the stack. Definition at line 41 of file stack.c.

int movstack_ptr = 0 [static]

Current position in the stack. Definition at line 38 of file stack.c.

void* statestack[STACK_SIZE] [static]

Definition at line 133 of file stack.c.

int statestack_max = 0 [static]

Definition at line 131 of file stack.c.

int statestack_ptr = 0 [static]

Definition at line 131 of file stack.c.