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