// RUN: %clang_cc1 -Wparentheses -fsyntax-only -verify %s
+// RUN: %clang_cc1 -Wparentheses -fsyntax-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
// Test the various warnings under -Wparentheses
void if_assign(void) {
int i;
if (i = 4) {} // expected-warning {{assignment as a condition}} \
- // expected-note{{use '==' to turn this assignment into an equality comparison}} \
- // expected-note{{place parentheses around the assignment to silence this warning}}
+ // expected-note{{place parentheses around the assignment to silence this warning}} \
+ // expected-note{{use '==' to turn this assignment into an equality comparison}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:7-[[@LINE-3]]:7}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:12-[[@LINE-4]]:12}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:9-[[@LINE-5]]:10}:"=="
+
if ((i = 4)) {}
}
void bitwise_rel(unsigned i) {
(void)(i & 0x2 == 0); // expected-warning {{& 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}}
+ // expected-note{{place parentheses around the '==' expression to silence this warning}} \
+ // expected-note{{place parentheses around the & expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:14-[[@LINE-3]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:22-[[@LINE-4]]:22}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:10-[[@LINE-5]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:17-[[@LINE-6]]:17}:")"
+
(void)(0 == i & 0x2); // expected-warning {{& 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}}
+ // expected-note{{place parentheses around the '==' expression to silence this warning}} \
+ // expected-note{{place parentheses around the & expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:16-[[@LINE-4]]:16}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:15-[[@LINE-5]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:22-[[@LINE-6]]:22}:")"
+
(void)(i & 0xff < 30); // expected-warning {{& 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}}
+ // expected-note{{place parentheses around the '<' expression to silence this warning}} \
+ // expected-note{{place parentheses around the & expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:14-[[@LINE-3]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:23-[[@LINE-4]]:23}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:10-[[@LINE-5]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:18-[[@LINE-6]]:18}:")"
+
(void)((i & 0x2) == 0);
(void)(i & (0x2 == 0));
// Eager logical op
(void)(i & i | i); // expected-warning {{'&' within '|'}} \
// expected-note {{place parentheses around the '&' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:10-[[@LINE-2]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:15-[[@LINE-3]]:15}:")"
(void)(i | i & i); // expected-warning {{'&' within '|'}} \
// expected-note {{place parentheses around the '&' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:14-[[@LINE-2]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:19-[[@LINE-3]]:19}:")"
(void)(i ||
i && i); // expected-warning {{'&&' within '||'}} \
- // expected-note {{place parentheses around the '&&' expression to silence this warning}}
+ // expected-note {{place parentheses around the '&&' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:14-[[@LINE-2]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:20-[[@LINE-3]]:20}:")"
+
(void)(i || i && "w00t"); // no warning.
(void)("w00t" && i || i); // no warning.
+
(void)(i || i && "w00t" || i); // expected-warning {{'&&' within '||'}} \
// expected-note {{place parentheses around the '&&' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:15-[[@LINE-2]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:26-[[@LINE-3]]:26}:")"
+
(void)(i || "w00t" && i || i); // expected-warning {{'&&' within '||'}} \
// expected-note {{place parentheses around the '&&' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:15-[[@LINE-2]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:26-[[@LINE-3]]:26}:")"
+
(void)(i && i || 0); // no warning.
(void)(0 || i && i); // no warning.
}
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}}
+ // expected-note {{place parentheses around the '+' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:33-[[@LINE-4]]:33}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:41-[[@LINE-6]]:41}:")"
(void)((x + someConditionFunc()) ? 1 : 2); // no 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}}
+ // expected-note {{place parentheses around the '-' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:15-[[@LINE-4]]:15}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:23-[[@LINE-6]]:23}:")"
(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}}
+ // expected-note {{place parentheses around the '*' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:22-[[@LINE-4]]:22}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:30-[[@LINE-6]]:30}:")"
(void)(x / !x ? 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}}
+ // expected-note {{place parentheses around the '/' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:16-[[@LINE-4]]:16}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:24-[[@LINE-6]]:24}:")"
(void)(x % 2 ? 1 : 2); // no warning
}
-// RUN: %clang_cc1 -fsyntax-only -Wparentheses -Werror -fdiagnostics-show-option %s 2>&1 | FileCheck %s
-// CHECK: error: using the result of an assignment as a condition without parentheses [-Werror,-Wparentheses]
+// RUN: %clang_cc1 -fsyntax-only -Wparentheses -Werror -fdiagnostics-show-option %s 2>&1 | FileCheck %s -check-prefix=CHECK-FLAG
+// CHECK-FLAG: error: using the result of an assignment as a condition without parentheses [-Werror,-Wparentheses]
// RUN: %clang_cc1 -Wparentheses -fsyntax-only -verify %s
+// RUN: %clang_cc1 -Wparentheses -fsyntax-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
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}}
+ // expected-note {{place parentheses around the '+' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:33-[[@LINE-4]]:33}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:41-[[@LINE-6]]:41}:")"
(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}}
+ // expected-note {{place parentheses around the '-' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:15-[[@LINE-4]]:15}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:23-[[@LINE-6]]:23}:")"
(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}}
+ // expected-note {{place parentheses around the '*' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:22-[[@LINE-4]]:22}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:30-[[@LINE-6]]:30}:")"
}
class Stream {
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}}
+ // expected-note {{place parentheses around the '<<' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:16-[[@LINE-4]]:16}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:15-[[@LINE-5]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:32-[[@LINE-6]]:32}:")"
+
(void)(s << 5 == 1); // expected-warning {{overloaded operator << has lower precedence than comparison operator}} \
- // expected-note {{place parentheses around the '<<' expression to silence this warning}} \
- // expected-note {{place parentheses around comparison expression to evaluate it first}}
+ // expected-note {{place parentheses around comparison expression to evaluate it first}} \
+ // expected-note {{place parentheses around the '<<' expression to silence this warning}}
+
(void)(s >> 5 == 1); // expected-warning {{overloaded operator >> has lower precedence than comparison operator}} \
- // expected-note {{place parentheses around the '>>' expression to silence this warning}} \
- // expected-note {{place parentheses around comparison expression to evaluate it first}}
+ // expected-note {{place parentheses around comparison expression to evaluate it first}} \
+ // expected-note {{place parentheses around the '>>' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:15-[[@LINE-3]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:21-[[@LINE-4]]:21}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:10-[[@LINE-5]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:16-[[@LINE-6]]:16}:")"
}
struct 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}}
+ // expected-note {{place parentheses around the '+' expression to silence this warning}} \
+ // expected-note {{place parentheses around the '?:' expression to evaluate it first}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:10-[[@LINE-3]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:19-[[@LINE-4]]:19}:")"
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:15-[[@LINE-5]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:35-[[@LINE-6]]:35}:")"
(void)((*s + true) ? "foo" : "bar"); // No warning.
void test(int a, int b, int c) {
(void)(a >> b + c); // expected-warning {{operator '>>' has lower precedence than '+'; '+' will be evaluated first}} \
expected-note {{place parentheses around the '+' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:15-[[@LINE-2]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:20-[[@LINE-3]]:20}:")"
+
(void)(a - b << c); // expected-warning {{operator '<<' has lower precedence than '-'; '-' will be evaluated first}} \
expected-note {{place parentheses around the '-' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:10-[[@LINE-2]]:10}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:15-[[@LINE-3]]:15}:")"
+
Stream() << b + c;
Stream() >> b + c; // expected-warning {{operator '>>' has lower precedence than '+'; '+' will be evaluated first}} \
expected-note {{place parentheses around the '+' expression to silence this warning}}
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:15-[[@LINE-2]]:15}:"("
+ // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:20-[[@LINE-3]]:20}:")"
}
namespace PR15628 {