add board_print, board_print_mask

src/chessdefs.h

@@ -18,7 +18,7 @@
 
 #define ONE            1ull
 #define C64(const_u64) const_u64##ULL
-#define mask(i)        ( ONE << (i) )
+#define mask(i)        ( (unsigned long long) (ONE << (i)) )
 //typedef ushort board;
 
 #define BOARDSIZE    (8*8)
@@ -51,19 +51,54 @@ typedef enum {
 typedef struct __pos_s pos_t;
 typedef struct __movelist_s movelist_t;
 
-/* bitboard
+/* basic types
  */
-//typedef u64 bitboard_t;
+typedef u64 bitboard_t;
 
 /* eval type
  */
 //typedef s32 eval_t;
 
-/* forward typedefs
+/* forward enum definition is impossible in C11, to simplify
+ * cross-dependancies, all important enum are moved here.
  */
-//typedef struct piece_list_s piece_list_t;
-//typedef struct board_s board_t;
-//typedef struct pos_s pos_t;
-//typedef struct move_s move_t;
+typedef enum {
+    _SSQUARE_ = -1,                               /* force signed enum */
+    A1 = 0, B1, C1, D1, E1, F1, G1, H1,
+    A2,     B2, C2, D2, E2, F2, G2, H2,
+    A3,     B3, C3, D3, E3, F3, G3, H3,
+    A4,     B4, C4, D4, E4, F4, G4, H4,
+    A5,     B5, C5, D5, E5, F5, G5, H5,
+    A6,     B6, C6, D6, E6, F6, G6, H6,
+    A7,     B7, C7, D7, E7, F7, G7, H7,
+    A8,     B8, C8, D8, E8, F8, G8, H8,
+    SQUARE_MAX = 64,
+    SQUARE_NONE = 64
+} square_t;
+
+typedef enum {
+    _SFILE_ = -1,                                 /* force signed enum */
+    FILE_A = 0, FILE_B, FILE_C, FILE_D, FILE_E, FILE_F, FILE_G, FILE_H,
+    FILE_MAX,
+} file_t;
+
+typedef enum {
+    _SRANK_ = -1,                                 /* force signed enum */
+    RANK_1 = 0, RANK_2, RANK_3, RANK_4, RANK_5, RANK_6, RANK_7, RANK_8,
+    RANK_MAX,
+} rank_t;
+
+typedef enum {
+    NORTH = 8,
+    EAST =  1,
+    SOUTH = -NORTH,
+    WEST = -EAST,
+
+    NORTH_EAST = (NORTH + EAST),
+    SOUTH_EAST = (SOUTH + EAST),
+    SOUTH_WEST = (SOUTH + WEST),
+    NORTH_WEST = (NORTH + WEST),
+} dir_t;
+
 
 #endif  /* _CHESSDEFS_H */