expand_statement
int cost = expand_statement(stmt);
expand_statement(base_type->stmt);
expand_statement(simple);
expand_statement(stmt->if_true);
expand_statement(stmt->if_false);
cost = expand_statement(last);
cost += expand_statement(s);
expand_statement(stmt->iterator_pre_statement);
expand_statement(stmt->iterator_statement);
expand_statement(stmt->iterator_post_statement);
expand_statement(stmt->switch_statement);
expand_statement(stmt->case_statement);
expand_statement(stmt->label_statement);
static int expand_statement(struct statement *);