diff options
Diffstat (limited to 'expression.c')
| -rw-r--r-- | expression.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/expression.c b/expression.c index e5ebad65..6f4300b9 100644 --- a/expression.c +++ b/expression.c @@ -62,7 +62,10 @@ static struct token *comma_expression(struct token *, struct expression **); struct token *parens_expression(struct token *token, struct expression **expr, const char *where) { + struct token *p; + token = expect(token, '(', where); + p = token; if (match_op(token, '{')) { struct expression *e = alloc_expression(token->pos, EXPR_STATEMENT); struct statement *stmt = alloc_statement(token->pos, STMT_COMPOUND); @@ -74,6 +77,9 @@ struct token *parens_expression(struct token *token, struct expression **expr, c token = expect(token, '}', "at end of statement expression"); } else token = parse_expression(token, expr); + + if (token == p) + sparse_error(token->pos, "an expression is expected before ')'"); return expect(token, ')', where); } |