// RUN: %clang_cc1 -Wparentheses -fsyntax-only -verify %s
// RUN: %clang_cc1 -Wparentheses -fixit %s -o - | %clang_cc1 -Wparentheses -Werror -
bool someConditionFunc();
void conditional_op(int x, int y, bool b) {
(void)(x + someConditionFunc() ? 1 : 2); // expected-warning {{operator '?:' has lower precedence than '+'}} \
// expected-note {{place parentheses around the '?:' expression to evaluate it first}} \
// expected-note {{place parentheses around the '+' expression to silence this warning}}
(void)(x - b ? 1 : 2); // expected-warning {{operator '?:' has lower precedence than '-'}} \
// expected-note {{place parentheses around the '?:' expression to evaluate it first}} \
// expected-note {{place parentheses around the '-' expression to silence this warning}}
(void)(x * (x == y) ? 1 : 2); // expected-warning {{operator '?:' has lower precedence than '*'}} \
// expected-note {{place parentheses around the '?:' expression to evaluate it first}} \
// expected-note {{place parentheses around the '*' expression to silence this warning}}
}
class Stream {
public:
operator int();
Stream &operator<<(int);
Stream &operator<<(const char*);
};
void f(Stream& s, bool b) {
(void)(s << b ? "foo" : "bar"); // expected-warning {{operator '?:' has lower precedence than '<<'}} \
// expected-note {{place parentheses around the '?:' expression to evaluate it first}} \
// expected-note {{place parentheses around the '<<' expression to silence this warning}}
}
struct S {
operator int() { return 42; }
friend S operator+(const S &lhs, bool) { return S(); }
};
void test(S *s, bool (S::*m_ptr)()) {
(void)(*s + true ? "foo" : "bar"); // expected-warning {{operator '?:' has lower precedence than '+'}} \
// expected-note {{place parentheses around the '?:' expression to evaluate it first}} \
// expected-note {{place parentheses around the '+' expression to silence this warning}}
(void)((*s + true) ? "foo" : "bar"); // No warning.
// Don't crash on unusual member call expressions.
(void)((s->*m_ptr)() ? "foo" : "bar");
}