1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-c++11-extensions %s 2 3 namespace fizbin { class Foobar {}; } // expected-note 2 {{'fizbin::Foobar' declared here}} \ 4 // expected-note {{'Foobar' declared here}} 5 Foobar *my_bar // expected-error{{unknown type name 'Foobar'; did you mean 'fizbin::Foobar'?}} 6 = new Foobar; // expected-error{{unknown type name 'Foobar'; did you mean 'fizbin::Foobar'?}} 7 fizbin::Foobar *my_foo = new fizbin::FooBar; // expected-error{{no type named 'FooBar' in namespace 'fizbin'; did you mean 'Foobar'?}} 8 9 namespace barstool { int toFoobar() { return 1; } } // expected-note 3 {{'barstool::toFoobar' declared here}} 10 int Double(int x) { return x + x; } 11 void empty() { 12 Double(toFoobar()); // expected-error{{use of undeclared identifier 'toFoobar'; did you mean 'barstool::toFoobar'?}} 13 } 14 15 namespace fizbin { 16 namespace baztool { bool toFoobar() { return true; } } // expected-note{{'fizbin::baztool' declared here}} 17 namespace nested { bool moreFoobar() { return true; } } // expected-note{{'fizbin::nested::moreFoobar' declared here}} 18 namespace nested { bool lessFoobar() { return true; } } // expected-note{{'fizbin::nested' declared here}} \ 19 // expected-note{{'fizbin::nested::lessFoobar' declared here}} 20 class dummy { // expected-note 2 {{'fizbin::dummy' declared here}} 21 public: 22 static bool morebar() { return false; } // expected-note{{'morebar' declared here}} 23 }; 24 } 25 void Check() { // expected-note{{'Check' declared here}} 26 if (toFoobar()) Double(7); // expected-error{{use of undeclared identifier 'toFoobar'; did you mean 'barstool::toFoobar'?}} 27 if (noFoobar()) Double(7); // expected-error{{use of undeclared identifier 'noFoobar'; did you mean 'barstool::toFoobar'?}} 28 if (moreFoobar()) Double(7); // expected-error{{use of undeclared identifier 'moreFoobar'; did you mean 'fizbin::nested::moreFoobar'}} 29 if (lessFoobar()) Double(7); // expected-error{{use of undeclared identifier 'lessFoobar'; did you mean 'fizbin::nested::lessFoobar'?}} 30 if (baztool::toFoobar()) Double(7); // expected-error{{use of undeclared identifier 'baztool'; did you mean 'fizbin::baztool'?}} 31 if (nested::moreFoobar()) Double(7); // expected-error{{use of undeclared identifier 'nested'; did you mean 'fizbin::nested'?}} 32 if (dummy::morebar()) Double(7); // expected-error{{use of undeclared identifier 'dummy'; did you mean 'fizbin::dummy'?}} 33 if (dummy::mrebar()) Double(7); // expected-error{{use of undeclared identifier 'dummy'; did you mean 'fizbin::dummy'?}} \ 34 // expected-error{{no member named 'mrebar' in 'fizbin::dummy'; did you mean 'morebar'?}} 35 if (moFoobin()) Double(7); // expected-error{{use of undeclared identifier 'moFoobin'}} 36 } 37 38 void Alt() { 39 Cleck(); // expected-error{{use of undeclared identifier 'Cleck'; did you mean 'Check'?}} 40 } 41 42 namespace N { 43 namespace inner { 44 class myvector { /* ... */ }; // expected-note{{'inner::myvector' declared here}} 45 } 46 47 void f() { 48 myvector v; // expected-error{{unknown type name 'myvector'; did you mean 'inner::myvector'?}} 49 } 50 } 51 52 namespace realstd { 53 inline namespace __1 { 54 class mylinkedlist { /* ... */ }; // expected-note 2 {{'realstd::mylinkedlist' declared here}} 55 } 56 57 class linkedlist { /* ... */ }; 58 } 59 60 void f() { 61 mylinkedlist v; // expected-error{{unknown type name 'mylinkedlist'; did you mean 'realstd::mylinkedlist'?}} 62 nylinkedlist w; // expected-error{{unknown type name 'nylinkedlist'; did you mean 'realstd::mylinkedlist'?}} 63 } 64 65 // Test case from http://llvm.org/bugs/show_bug.cgi?id=10318 66 namespace llvm { 67 template <typename T> class GraphWriter {}; // expected-note 3{{declared here}} 68 } 69 70 struct S {}; 71 void bar() { 72 GraphWriter<S> x; //expected-error{{no template named 'GraphWriter'; did you mean 'llvm::GraphWriter'?}} 73 (void)new llvm::GraphWriter; // expected-error {{use of class template 'llvm::GraphWriter' requires template arguments}} 74 (void)new llvm::Graphwriter<S>; // expected-error {{no template named 'Graphwriter' in namespace 'llvm'; did you mean 'GraphWriter'?}} 75 } 76 77 // If namespace prefixes and character edits have the same weight, correcting 78 // "fimish" to "N::famish" would have the same edit distance as correcting 79 // "fimish" to "Finish". The result would be no correction being suggested 80 // unless one of the corrections is given precedence (e.g. by filtering out 81 // suggestions with added namespace qualifiers). 82 namespace N { void famish(int); } 83 void Finish(int); // expected-note {{'Finish' declared here}} 84 void Start() { 85 fimish(7); // expected-error {{use of undeclared identifier 'fimish'; did you mean 'Finish'?}} 86 } 87 88 // But just eliminating the corrections containing added namespace qualifiers 89 // won't work if both of the tied corrections have namespace qualifiers added. 90 namespace N { 91 void someCheck(int); // expected-note {{'N::someCheck' declared here}} 92 namespace O { void somechock(int); } 93 } 94 void confusing() { 95 somechick(7); // expected-error {{use of undeclared identifier 'somechick'; did you mean 'N::someCheck'?}} 96 } 97 98 99 class Message {}; 100 namespace extra { 101 namespace util { 102 namespace MessageUtils { 103 bool Equivalent(const Message&, const Message&); // expected-note {{'extra::util::MessageUtils::Equivalent' declared here}} \ 104 // expected-note {{'::extra::util::MessageUtils::Equivalent' declared here}} 105 } 106 } 107 } 108 namespace util { namespace MessageUtils {} } 109 bool nstest () { 110 Message a, b; 111 return util::MessageUtils::Equivalent(a, b); // expected-error {{no member named 'Equivalent' in namespace 'util::MessageUtils'; did you mean 'extra::util::MessageUtils::Equivalent'?}} 112 } 113 114 namespace util { 115 namespace extra { 116 bool nstest () { 117 Message a, b; 118 return MessageUtils::Equivalent(a, b); // expected-error {{no member named 'Equivalent' in namespace 'util::MessageUtils'; did you mean '::extra::util::MessageUtils::Equivalent'?}} 119 } 120 } 121 } 122
