1 // RUN: rm -rf %t 2 // RUN: %clang_cc1 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs %s -verify 3 4 int &global(int); 5 int &global2(int); 6 7 namespace N6 { 8 char &f(char); 9 } 10 11 namespace N8 { } 12 13 namespace LookupBeforeImport { 14 int &f(int); 15 } 16 void testEarly() { 17 int &r = LookupBeforeImport::f(1); 18 } 19 20 @import namespaces_left; 21 @import namespaces_right; 22 23 void test() { 24 int &ir1 = N1::f(1); 25 int &ir2 = N2::f(1); 26 int &ir3 = N3::f(1); 27 int &ir4 = global(1); 28 int &ir5 = ::global2(1); 29 float &fr1 = N1::f(1.0f); 30 float &fr2 = N2::f(1.0f); 31 float &fr3 = global(1.0f); 32 float &fr4 = ::global2(1.0f); 33 float &fr5 = LookupBeforeImport::f(1.0f); 34 double &dr1 = N2::f(1.0); 35 double &dr2 = N3::f(1.0); 36 double &dr3 = global(1.0); 37 double &dr4 = ::global2(1.0); 38 double &dr5 = LookupBeforeImport::f(1.0); 39 40 struct AddAndReexportBeforeImport::S s; 41 int k = AddAndReexportBeforeImport::S; 42 } 43 44 // Test namespaces merged without a common first declaration. 45 namespace N5 { 46 char &f(char); 47 } 48 49 namespace N10 { 50 int &f(int); 51 } 52 53 void testMerged() { 54 int &ir1 = N5::f(17); 55 int &ir2 = N6::f(17); 56 int &ir3 = N7::f(17); 57 double &fr1 = N5::f(1.0); 58 double &fr2 = N6::f(1.0); 59 double &fr3 = N7::f(1.0); 60 char &cr1 = N5::f('a'); 61 char &cr2 = N6::f('b'); 62 } 63 64 // Test merging of declarations within namespaces that themselves were 65 // merged without a common first declaration. 66 void testMergedMerged() { 67 int &ir1 = N8::f(17); 68 int &ir2 = N9::f(17); 69 int &ir3 = N10::f(17); 70 } 71 72 // Test merging when using anonymous namespaces, which does not 73 // actually perform any merging. 74 void testAnonymousNotMerged() { 75 N11::consumeFoo(N11::getFoo()); // expected-error{{cannot initialize a parameter of type 'N11::(anonymous namespace)::Foo *' with an rvalue of type 'N11::(anonymous namespace)::Foo *'}} 76 N12::consumeFoo(N12::getFoo()); // expected-error{{cannot initialize a parameter of type 'N12::(anonymous namespace)::Foo *' with an rvalue of type 'N12::(anonymous namespace)::Foo *'}} 77 } 78 79 // expected-note@Inputs/namespaces-right.h:60 {{passing argument to parameter here}} 80 // expected-note@Inputs/namespaces-right.h:67 {{passing argument to parameter here}} 81 82 // Test that bringing in one name from an overload set does not hide the rest. 83 void testPartialImportOfOverloadSet() { 84 void (*p)() = N13::p; 85 p(); 86 N13::f(0); 87 } 88
