225 lines
6.6 KiB
C++
225 lines
6.6 KiB
C++
// RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -Wshadow-all %s
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namespace {
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int i; // expected-note {{previous declaration is here}}
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}
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namespace one {
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namespace two {
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int j; // expected-note {{previous declaration is here}}
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typedef int jj; // expected-note 2 {{previous declaration is here}}
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using jjj=int; // expected-note 2 {{previous declaration is here}}
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}
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}
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namespace xx {
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int m;
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typedef int mm;
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using mmm=int;
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}
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namespace yy {
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int m;
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typedef char mm;
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using mmm=char;
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}
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using namespace one::two;
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using namespace xx;
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using namespace yy;
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void foo() {
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int i; // expected-warning {{declaration shadows a variable in namespace '(anonymous)'}}
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int j; // expected-warning {{declaration shadows a variable in namespace 'one::two'}}
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int m;
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int mm;
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int mmm;
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}
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class A {
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static int data; // expected-note 1 {{previous declaration}}
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// expected-note@+1 1 {{previous declaration}}
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int field;
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int f1, f2, f3, f4; // expected-note 8 {{previous declaration is here}}
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typedef int a1; // expected-note 2 {{previous declaration}}
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using a2=int; // expected-note 2 {{previous declaration}}
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// The initialization is safe, but the modifications are not.
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A(int f1, int f2, int f3, int f4) // expected-note-re 4 {{variable 'f{{[0-4]}}' is declared here}}
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: f1(f1) {
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f1 = 3; // expected-warning {{modifying constructor parameter 'f1' that shadows a field of 'A'}}
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f1 = 4; // one warning per shadow
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f2++; // expected-warning {{modifying constructor parameter 'f2' that shadows a field of 'A'}}
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--f3; // expected-warning {{modifying constructor parameter 'f3' that shadows a field of 'A'}}
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f4 += 2; // expected-warning {{modifying constructor parameter 'f4' that shadows a field of 'A'}}
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}
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// The initialization is safe, but the modifications are not.
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// expected-warning-re@+1 4 {{constructor parameter 'f{{[0-4]}}' shadows the field 'f{{[0-9]}}' of 'A'}}
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A(int f1, int f2, int f3, int f4, double overload_dummy) {}
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void test() {
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char *field; // expected-warning {{declaration shadows a field of 'A'}}
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char *data; // expected-warning {{declaration shadows a static data member of 'A'}}
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char *a1; // no warning
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char *a2; // no warning
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char *jj; // no warning
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char *jjj; // no warning
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}
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void test2() {
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typedef char field; // no warning
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typedef char data; // no warning
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typedef char a1; // expected-warning {{declaration shadows a typedef in 'A'}}
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typedef char a2; // expected-warning {{declaration shadows a type alias in 'A'}}
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typedef char jj; // expected-warning {{declaration shadows a typedef in namespace 'one::two'}}
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typedef char jjj; // expected-warning {{declaration shadows a type alias in namespace 'one::two'}}
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}
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void test3() {
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using field=char; // no warning
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using data=char; // no warning
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using a1=char; // expected-warning {{declaration shadows a typedef in 'A'}}
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using a2=char; // expected-warning {{declaration shadows a type alias in 'A'}}
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using jj=char; // expected-warning {{declaration shadows a typedef in namespace 'one::two'}}
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using jjj=char; // expected-warning {{declaration shadows a type alias in namespace 'one::two'}}
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}
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};
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struct path {
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using value_type = char;
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typedef char value_type2;
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struct iterator {
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using value_type = path; // no warning
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typedef path value_type2; // no warning
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};
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};
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// TODO: this should warn, <rdar://problem/5018057>
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class B : A {
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int data;
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static int field;
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};
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// rdar://8900456
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namespace rdar8900456 {
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struct Foo {
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static void Baz();
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static void Baz1();
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static void Baz2();
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private:
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int Bar;
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};
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void Foo::Baz() {
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double Bar = 12; // Don't warn.
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}
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void Foo::Baz1() {
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typedef int Bar; // Don't warn.
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}
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void Foo::Baz2() {
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using Bar=int; // Don't warn.
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}
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}
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// http://llvm.org/PR9160
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namespace PR9160 {
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struct V {
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V(int);
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};
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struct S {
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V v;
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static void m() {
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if (1) {
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V v(0);
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}
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}
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};
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}
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extern int bob; // expected-note 1 {{previous declaration is here}}
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typedef int bob1; // expected-note 2 {{previous declaration is here}}
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using bob2=int; // expected-note 2 {{previous declaration is here}}
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// rdar://8883302
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void rdar8883302() {
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extern int bob; // don't warn for shadowing.
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}
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void test8() {
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int bob; // expected-warning {{declaration shadows a variable in the global namespace}}
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int bob1; //no warning
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int bob2; // no warning
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}
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void test9() {
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typedef int bob; // no warning
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typedef int bob1; // expected-warning {{declaration shadows a typedef in the global namespace}}
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typedef int bob2; // expected-warning {{declaration shadows a type alias in the global namespace}}
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}
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void test10() {
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using bob=int; // no warning
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using bob1=int; // expected-warning {{declaration shadows a typedef in the global namespace}}
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using bob2=int; // expected-warning {{declaration shadows a type alias in the global namespace}}
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}
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namespace rdar29067894 {
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void avoidWarningWhenRedefining(int b) { // expected-note {{previous definition is here}}
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int a = 0; // expected-note {{previous definition is here}}
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int a = 1; // expected-error {{redefinition of 'a'}}
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int b = 2; // expected-error {{redefinition of 'b'}}
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using c=char; // expected-note {{previous definition is here}}
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using c=int; // expected-error {{type alias redefinition with different types ('int' vs 'char')}}
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typedef char d; // expected-note {{previous definition is here}}
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typedef int d; // expected-error {{typedef redefinition with different types ('int' vs 'char')}}
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using e=char; // expected-note {{previous definition is here}}
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typedef int e; // expected-error {{type alias redefinition with different types ('int' vs 'char')}}
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int f; // expected-note {{previous definition is here}}
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using f=int; // expected-error {{redefinition of 'f'}}
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using g=int; // expected-note {{previous definition is here}}
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int g; // expected-error {{redefinition of 'g'}}
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typedef int h; // expected-note {{previous definition is here}}
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int h; // expected-error {{redefinition of 'h'}}
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int k; // expected-note {{previous definition is here}}
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typedef int k; // expected-error {{redefinition of 'k'}}
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using l=char; // no warning or error.
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using l=char; // no warning or error.
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typedef char l; // no warning or error.
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typedef char n; // no warning or error.
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typedef char n; // no warning or error.
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using n=char; // no warning or error.
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}
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}
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extern "C" {
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typedef int externC; // expected-note {{previous declaration is here}}
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}
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void handleLinkageSpec() {
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typedef void externC; // expected-warning {{declaration shadows a typedef in the global namespace}}
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}
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namespace PR33947 {
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void f(int a) {
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struct A {
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void g(int a) {}
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A() { int a; }
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};
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}
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}
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