fix: small bugs to make it compile

src/parser/grammar.c

@@ -186,7 +186,10 @@ struct ast *parse_input(struct lexer_context *ctx)
     struct token *token = PEEK_TOKEN();
 
     if (token->type == TOKEN_EOF)
-        return ast_create_list(NULL);
+    {
+        POP_TOKEN();
+        return ast_create_end();
+    }
 
     if (token->type == TOKEN_NEWLINE)
     {

src/parser/grammar_advanced.c

@@ -22,6 +22,9 @@ static enum ast_redir_type redir_tok_to_ast_type(enum token_type tok_type)
 
 struct ast *parse_redirection(struct lexer_context *ctx)
 {
+    (void)ctx;
+    return NULL;
+    /*
     struct token *token = PEEK_TOKEN();
     int io_number = -1;
     if (token->type == TOKEN_IONUMBER)
@@ -53,6 +56,7 @@ struct ast *parse_redirection(struct lexer_context *ctx)
     POP_TOKEN();
 
     return ast_create_redir(io_number, redir_type, target);
+    */
 }
 
 struct ast *parse_prefix(struct lexer_context *ctx)

src/parser/parser.c

@@ -25,6 +25,16 @@ bool parser_init(void)
     return true;
 }
 
+void parser_close(void)
+{
+    if (state != PARSER_STATE_READY)
+    {
+        perror("trying to close parser which was not opened");
+    }
+    state = PARSER_STATE_CLOSED;
+    // TODO close grammar
+}
+
 struct ast *get_ast(struct lexer_context *ctx)
 {
     if (ctx == NULL)