forked from OSchip/llvm-project
105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
// RUN: %clang_cc1 -fdiagnostics-parseable-fixits -x c++ %s 2> %t || true
|
|
// RUN: FileCheck %s < %t
|
|
// PR5941
|
|
// END.
|
|
|
|
/* Test fixits for * and & mismatch in function arguments.
|
|
* Since fixits are on the notes, they cannot be applied automatically. */
|
|
|
|
typedef int intTy;
|
|
typedef int intTy2;
|
|
|
|
void f0(int *a);
|
|
void f1(double *a);
|
|
void f1(intTy &a);
|
|
|
|
void f2(intTy2 *a) {
|
|
// CHECK: error: no matching function for call to 'f1
|
|
// CHECK: dereference the argument with *
|
|
// CHECK: void f1(intTy &a);
|
|
// CHECK: fix-it{{.*}}*(
|
|
// CHECK-NEXT: fix-it{{.*}})
|
|
// CHECK: void f1(double *a);
|
|
f1(a + 1);
|
|
|
|
// This call cannot be fixed since without resulting in null pointer dereference.
|
|
// CHECK: error: no matching function for call to 'f1
|
|
// CHECK-NOT: dereference the argument with *
|
|
// CHECK-NOT: fix-it
|
|
f1((int *)0);
|
|
}
|
|
|
|
void f3(int &a) {
|
|
// CHECK: error: no matching function for call to 'f0
|
|
// CHECK: fix-it{{.*}}&
|
|
f0(a);
|
|
}
|
|
|
|
|
|
void m(int *a, const int *b); // match 2
|
|
void m(double *a, int *b); // no match
|
|
void m(int *a, double *b); // no match
|
|
void m(intTy &a, int *b); // match 1
|
|
|
|
void mcaller(intTy2 a, int b) {
|
|
// CHECK: error: no matching function for call to 'm
|
|
// CHECK: take the address of the argument with &
|
|
// CHECK: fix-it{{.*}}&
|
|
// CHECK: take the address of the argument with &
|
|
// CHECK: fix-it{{.*}}&
|
|
// CHECK: fix-it{{.*}}&
|
|
m(a, b);
|
|
|
|
// This call cannot be fixed because (a + 1) is not an l-value.
|
|
// CHECK: error: no matching function for call to 'm
|
|
// CHECK-NOT: fix-it
|
|
m(a + 1, b);
|
|
}
|
|
|
|
// Test derived to base conversions.
|
|
struct A {
|
|
int xx;
|
|
};
|
|
|
|
struct B : public A {
|
|
double y;
|
|
};
|
|
|
|
class C : A {};
|
|
|
|
bool br(A &a);
|
|
bool bp(A *a);
|
|
bool dv(B b);
|
|
|
|
void dbcaller(A *ptra, B *ptrb, C &c) {
|
|
B b;
|
|
|
|
// CHECK: error: no matching function for call to 'br
|
|
// CHECK: fix-it{{.*}}*
|
|
br(ptrb); // good
|
|
|
|
// CHECK: error: no matching function for call to 'bp
|
|
// CHECK: fix-it{{.*}}&
|
|
bp(b); // good
|
|
|
|
// CHECK: error: no matching function for call to 'dv
|
|
// CHECK-NOT: fix-it
|
|
dv(ptra); // bad: base to derived
|
|
|
|
// CHECK: error: no matching function for call to 'dv
|
|
// CHECK: remove &
|
|
dv(&b);
|
|
|
|
// CHECK: error: no matching function for call to 'bp
|
|
// CHECK: remove *
|
|
bp(*ptra);
|
|
|
|
// TODO: Test that we do not provide a fixit when inheritance is private.
|
|
// CHECK: error: no matching function for call to 'bp
|
|
// There should not be a fixit here:
|
|
// CHECK: fix-it
|
|
bp(c);
|
|
}
|
|
|
|
// CHECK: errors generated
|