1 files changed, 21 insertions, 19 deletions

diff --git a/src/board/fen.cpp b/src/board/fen.cpp
index ccd8b6f..faa8f83 100644
--- a/src/board/fen.cpp
+++ b/src/board/fen.cpp
@@ -2,9 +2,11 @@
 #include "board.hpp"
 #include <cassert>
 #include <cctype>
+#include <cstdint>
 #include <cstdlib>
 #include <print>
 #include <string>
+#include <sys/types.h>
 
 bool WHITE = true;
 bool BLACK = false;
@@ -16,51 +18,51 @@ void setBoardFen(std::string fen, Game *g) {
 
   Position enpassant = {};
   enum parserState {
-    POSITION,
-    TURN,
+    BOARD,
+    PLAYER_TO_MOVE,
     CASTLE,
     ENPASSANT,
     HALF_MOVE_CLOCK,
     FULL_MOVE_CLOCK,
   };
-  parserState state = POSITION;
+  parserState parser_state = BOARD;
 
   for (uint i = 0; i < fen.length(); i++) {
     char c = fen[i];
     if (c == ' ') {
-      if (state == POSITION) {
-        state = TURN;
+      if (parser_state == BOARD) {
+        parser_state = PLAYER_TO_MOVE;
         continue;
       }
-      if (state == TURN) {
-        state = CASTLE;
+      if (parser_state == PLAYER_TO_MOVE) {
+        parser_state = CASTLE;
         continue;
       }
-      if (state == CASTLE) {
-        state = ENPASSANT;
+      if (parser_state == CASTLE) {
+        parser_state = ENPASSANT;
         continue;
       }
-      if (state == ENPASSANT) {
-        state = HALF_MOVE_CLOCK;
+      if (parser_state == ENPASSANT) {
+        parser_state = HALF_MOVE_CLOCK;
         continue;
       }
-      if (state == HALF_MOVE_CLOCK) {
-        state = FULL_MOVE_CLOCK;
+      if (parser_state == HALF_MOVE_CLOCK) {
+        parser_state = FULL_MOVE_CLOCK;
         continue;
       }
     }
-    if (state == ENPASSANT) {
+    if (parser_state == ENPASSANT) {
       if (toupper(c) >= 'A' && toupper(c) <= 'H') {
-        enpassant.file = toupper(c) - 'A';
+        enpassant.file = static_cast<uint8_t>(toupper(c) - 'A');
         g->canEnpassant = true;
       }
       if (c >= '1' && c <= '8') {
-        enpassant.rank = c - '0';
+        enpassant.rank = static_cast<uint8_t>(c - '0');
         g->canEnpassant = true;
       }
       continue;
     }
-    if (state == CASTLE) {
+    if (parser_state == CASTLE) {
       if (c == '-') {
         g->blackCastleKing = false;
         g->blackCastleQueen = false;
@@ -85,7 +87,7 @@ void setBoardFen(std::string fen, Game *g) {
         continue;
       }
     }
-    if (state == TURN) {
+    if (parser_state == PLAYER_TO_MOVE) {
       if (toupper(c) == 'W') {
         g->turn = WHITE;
         continue;
@@ -95,7 +97,7 @@ void setBoardFen(std::string fen, Game *g) {
         continue;
       }
     }
-    if (state == POSITION) {
+    if (parser_state == BOARD) {
       if (isdigit(c)) {
         int move = c - '0';
         file += move;