100 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -verify -fsyntax-only -Wshadow-all %s
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| 
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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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| 
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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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| }
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| }
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| 
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| namespace xx {
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|   int m;
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| }
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| namespace yy {
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|   int m;
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| }
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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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| 
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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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| }
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| 
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| class A {
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|   static int data; // expected-note {{previous declaration}}
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|   // expected-note@+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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| 
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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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| 
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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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| 
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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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|   }
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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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| 
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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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| private:
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|   int Bar;
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| };
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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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| }
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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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| 
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| extern int bob; // expected-note {{previous declaration is here}}
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| 
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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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| 
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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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| }
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