static float parse_additive_expression(parser_state_t *self)
{
float left, right;
if(!self->token) return NAN;
left = parse_multiplicative_expression(self);
while(self->token && self->token->type == T_OPERATOR)
{
operators_t operator= self->token->data.operator;
if(operator!= O_PLUS &&operator!= O_MINUS) return left;
free(self->token);
self->token = get_token(self);
right = parse_multiplicative_expression(self);
if(operator== O_PLUS)
left += right;
else if(operator== O_MINUS)
left -= right;
}
return left;
}
static void
accept_multiplicative_expression()
{
parse_unary_expression(); /* - things */
parse_multiplicative_expression(); /* * / % */
}
