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| 8 | |
| 9 | #include "TestVisitor.h" |
| 10 | #include "clang/Tooling/Core/Lookup.h" |
| 11 | using namespace clang; |
| 12 | |
| 13 | namespace { |
| 14 | struct GetDeclsVisitor : TestVisitor<GetDeclsVisitor> { |
| 15 | std::function<void(CallExpr *)> OnCall; |
| 16 | std::function<void(RecordTypeLoc)> OnRecordTypeLoc; |
| 17 | SmallVector<Decl *, 4> DeclStack; |
| 18 | |
| 19 | bool VisitCallExpr(CallExpr *Expr) { |
| 20 | if (OnCall) |
| 21 | OnCall(Expr); |
| 22 | return true; |
| 23 | } |
| 24 | |
| 25 | bool VisitRecordTypeLoc(RecordTypeLoc Loc) { |
| 26 | if (OnRecordTypeLoc) |
| 27 | OnRecordTypeLoc(Loc); |
| 28 | return true; |
| 29 | } |
| 30 | |
| 31 | bool TraverseDecl(Decl *D) { |
| 32 | DeclStack.push_back(D); |
| 33 | bool Ret = TestVisitor::TraverseDecl(D); |
| 34 | DeclStack.pop_back(); |
| 35 | return Ret; |
| 36 | } |
| 37 | }; |
| 38 | |
| 39 | TEST(LookupTest, replaceNestedFunctionName) { |
| 40 | GetDeclsVisitor Visitor; |
| 41 | |
| 42 | auto replaceCallExpr = [&](const CallExpr *Expr, |
| 43 | StringRef ReplacementString) { |
| 44 | const auto *Callee = cast<DeclRefExpr>(Expr->getCallee()->IgnoreImplicit()); |
| 45 | const ValueDecl *FD = Callee->getDecl(); |
| 46 | return tooling::replaceNestedName( |
| 47 | Callee->getQualifier(), Visitor.DeclStack.back()->getDeclContext(), FD, |
| 48 | ReplacementString); |
| 49 | }; |
| 50 | |
| 51 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 52 | EXPECT_EQ("bar", replaceCallExpr(Expr, "::bar")); |
| 53 | }; |
| 54 | Visitor.runOver("namespace a { void foo(); }\n" |
| 55 | "namespace a { void f() { foo(); } }\n"); |
| 56 | |
| 57 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 58 | EXPECT_EQ("bar", replaceCallExpr(Expr, "::a::bar")); |
| 59 | }; |
| 60 | Visitor.runOver("namespace a { void foo(); }\n" |
| 61 | "namespace a { void f() { foo(); } }\n"); |
| 62 | |
| 63 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 64 | EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar")); |
| 65 | }; |
| 66 | Visitor.runOver("namespace a { void foo(); }\n" |
| 67 | "namespace b { void f() { a::foo(); } }\n"); |
| 68 | |
| 69 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 70 | EXPECT_EQ("::a::bar", replaceCallExpr(Expr, "::a::bar")); |
| 71 | }; |
| 72 | Visitor.runOver("namespace a { void foo(); }\n" |
| 73 | "namespace b { namespace a { void foo(); }\n" |
| 74 | "void f() { a::foo(); } }\n"); |
| 75 | |
| 76 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 77 | EXPECT_EQ("c::bar", replaceCallExpr(Expr, "::a::c::bar")); |
| 78 | }; |
| 79 | Visitor.runOver("namespace a { namespace b { void foo(); }\n" |
| 80 | "void f() { b::foo(); } }\n"); |
| 81 | |
| 82 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 83 | EXPECT_EQ("bar", replaceCallExpr(Expr, "::a::bar")); |
| 84 | }; |
| 85 | Visitor.runOver("namespace a { namespace b { void foo(); }\n" |
| 86 | "void f() { b::foo(); } }\n"); |
| 87 | |
| 88 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 89 | EXPECT_EQ("bar", replaceCallExpr(Expr, "::bar")); |
| 90 | }; |
| 91 | Visitor.runOver("void foo(); void f() { foo(); }\n"); |
| 92 | |
| 93 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 94 | EXPECT_EQ("::bar", replaceCallExpr(Expr, "::bar")); |
| 95 | }; |
| 96 | Visitor.runOver("void foo(); void f() { ::foo(); }\n"); |
| 97 | |
| 98 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 99 | EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar")); |
| 100 | }; |
| 101 | Visitor.runOver("namespace a { void foo(); }\nvoid f() { a::foo(); }\n"); |
| 102 | |
| 103 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 104 | EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar")); |
| 105 | }; |
| 106 | Visitor.runOver("namespace a { int foo(); }\nauto f = a::foo();\n"); |
| 107 | |
| 108 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 109 | EXPECT_EQ("bar", replaceCallExpr(Expr, "::a::bar")); |
| 110 | }; |
| 111 | Visitor.runOver( |
| 112 | "namespace a { int foo(); }\nusing a::foo;\nauto f = foo();\n"); |
| 113 | |
| 114 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 115 | EXPECT_EQ("c::bar", replaceCallExpr(Expr, "::a::c::bar")); |
| 116 | }; |
| 117 | Visitor.runOver("namespace a { namespace b { void foo(); } }\n" |
| 118 | "namespace a { namespace b { namespace {" |
| 119 | "void f() { foo(); }" |
| 120 | "} } }\n"); |
| 121 | |
| 122 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 123 | EXPECT_EQ("x::bar", replaceCallExpr(Expr, "::a::x::bar")); |
| 124 | }; |
| 125 | Visitor.runOver("namespace a { namespace b { void foo(); } }\n" |
| 126 | "namespace a { namespace b { namespace c {" |
| 127 | "void f() { foo(); }" |
| 128 | "} } }\n"); |
| 129 | |
| 130 | |
| 131 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 132 | EXPECT_EQ("a::y::bar", replaceCallExpr(Expr, "::a::y::bar")); |
| 133 | }; |
| 134 | Visitor.runOver(R"( |
| 135 | namespace a { |
| 136 | namespace b { |
| 137 | namespace x { void foo() {} } |
| 138 | namespace y { void foo() {} } |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | namespace a { |
| 143 | namespace b { |
| 144 | void f() { x::foo(); } |
| 145 | } |
| 146 | })"); |
| 147 | |
| 148 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 149 | |
| 150 | EXPECT_EQ("::y::bar", replaceCallExpr(Expr, "::y::bar")); |
| 151 | }; |
| 152 | Visitor.runOver(R"( |
| 153 | namespace a { |
| 154 | namespace b { |
| 155 | void foo() {} |
| 156 | namespace y { } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | namespace a { |
| 161 | namespace b { |
| 162 | void f() { foo(); } |
| 163 | } |
| 164 | })"); |
| 165 | |
| 166 | Visitor.OnCall = [&](CallExpr *Expr) { |
| 167 | EXPECT_EQ("y::bar", replaceCallExpr(Expr, "::y::bar")); |
| 168 | }; |
| 169 | Visitor.runOver(R"( |
| 170 | namespace a { |
| 171 | namespace b { |
| 172 | namespace x { void foo() {} } |
| 173 | namespace y { void foo() {} } |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | void f() { a::b::x::foo(); } |
| 178 | )"); |
| 179 | } |
| 180 | |
| 181 | TEST(LookupTest, replaceNestedClassName) { |
| 182 | GetDeclsVisitor Visitor; |
| 183 | |
| 184 | auto replaceRecordTypeLoc = [&](RecordTypeLoc Loc, |
| 185 | StringRef ReplacementString) { |
| 186 | const auto *FD = cast<CXXRecordDecl>(Loc.getDecl()); |
| 187 | return tooling::replaceNestedName( |
| 188 | nullptr, Visitor.DeclStack.back()->getDeclContext(), FD, |
| 189 | ReplacementString); |
| 190 | }; |
| 191 | |
| 192 | Visitor.OnRecordTypeLoc = [&](RecordTypeLoc Type) { |
| 193 | |
| 194 | |
| 195 | if (Type.getDecl()->getQualifiedNameAsString() == "a::b::Foo") { |
| 196 | EXPECT_EQ("x::Bar", replaceRecordTypeLoc(Type, "::a::x::Bar")); |
| 197 | } |
| 198 | }; |
| 199 | Visitor.runOver("namespace a { namespace b {\n" |
| 200 | "class Foo;\n" |
| 201 | "namespace c { Foo f();; }\n" |
| 202 | "} }\n"); |
| 203 | |
| 204 | Visitor.OnRecordTypeLoc = [&](RecordTypeLoc Type) { |
| 205 | |
| 206 | |
| 207 | |
| 208 | if (Type.getDecl()->getQualifiedNameAsString() == "a::b::Foo") { |
| 209 | EXPECT_EQ("Bar", replaceRecordTypeLoc(Type, "::a::x::Bar")); |
| 210 | } |
| 211 | }; |
| 212 | Visitor.runOver("namespace a { namespace b { class Foo {}; } }\n" |
| 213 | "namespace c { using a::b::Foo; Foo f();; }\n"); |
| 214 | } |
| 215 | |
| 216 | } |
| 217 | |