feat(lexer): elif token type

src/lexer/lexer.c

@@ -82,6 +82,10 @@ static void set_token_keyword(struct token *tok, char *begin, ssize_t size)
     {
         tok->type = TOKEN_ELSE;
     }
+    else if (strncmp(begin, "elif", size) == 0)
+    {
+        tok->type = TOKEN_ELIF;
+    }
 
     tok->data = calloc(size + 1, sizeof(char));
     if (tok->data == NULL)

src/lexer/lexer.h

@@ -14,7 +14,8 @@ enum token_type
     TOKEN_IF,
     TOKEN_THEN,
     TOKEN_ELSE,
-    TOKEN_FI
+    TOKEN_FI,
+    TOKEN_ELIF
 };
 
 struct token