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
toFoobar()9 namespace barstool { int toFoobar() { return 1; } } // expected-note 3 {{'barstool::toFoobar' declared here}}
Double(int x)10 int Double(int x) { return x + x; }
empty()11 void empty() {
12 Double(toFoobar()); // expected-error{{use of undeclared identifier 'toFoobar'; did you mean 'barstool::toFoobar'?}}
13 }
14
15 namespace fizbin {
toFoobar()16 namespace baztool { bool toFoobar() { return true; } } // expected-note{{'fizbin::baztool' declared here}}
moreFoobar()17 namespace nested { bool moreFoobar() { return true; } } // expected-note{{'fizbin::nested::moreFoobar' declared here}}
lessFoobar()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:
morebar()22 static bool morebar() { return false; } // expected-note{{'morebar' declared here}}
23 };
24 }
Check()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
Alt()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
f()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
f()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 {};
bar()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}}
Start()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 }
confusing()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 {} }
nstest()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 {
nstest()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