forked from OSchip/llvm-project
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
//===- unittest/Tooling/LookupTest.cpp ------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "TestVisitor.h"
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#include "clang/Tooling/Core/Lookup.h"
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using namespace clang;
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namespace {
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struct GetDeclsVisitor : TestVisitor<GetDeclsVisitor> {
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std::function<void(CallExpr *)> OnCall;
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SmallVector<Decl *, 4> DeclStack;
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bool VisitCallExpr(CallExpr *Expr) {
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OnCall(Expr);
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return true;
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}
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bool TraverseDecl(Decl *D) {
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DeclStack.push_back(D);
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bool Ret = TestVisitor::TraverseDecl(D);
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DeclStack.pop_back();
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return Ret;
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}
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};
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TEST(LookupTest, replaceNestedName) {
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GetDeclsVisitor Visitor;
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auto replaceCallExpr = [&](const CallExpr *Expr,
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StringRef ReplacementString) {
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const auto *Callee = cast<DeclRefExpr>(Expr->getCallee()->IgnoreImplicit());
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const ValueDecl *FD = Callee->getDecl();
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return tooling::replaceNestedName(
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Callee->getQualifier(), Visitor.DeclStack.back()->getDeclContext(), FD,
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ReplacementString);
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};
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("bar", replaceCallExpr(Expr, "::bar"));
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};
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Visitor.runOver("namespace a { void foo(); }\n"
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"namespace a { void f() { foo(); } }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver("namespace a { void foo(); }\n"
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"namespace a { void f() { foo(); } }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver("namespace a { void foo(); }\n"
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"namespace b { void f() { a::foo(); } }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver("namespace a { void foo(); }\n"
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"namespace b { namespace a { void foo(); }\n"
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"void f() { a::foo(); } }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("c::bar", replaceCallExpr(Expr, "::a::c::bar"));
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};
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Visitor.runOver("namespace a { namespace b { void foo(); }\n"
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"void f() { b::foo(); } }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver("namespace a { namespace b { void foo(); }\n"
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"void f() { b::foo(); } }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("bar", replaceCallExpr(Expr, "::bar"));
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};
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Visitor.runOver("void foo(); void f() { foo(); }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("::bar", replaceCallExpr(Expr, "::bar"));
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};
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Visitor.runOver("void foo(); void f() { ::foo(); }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver("namespace a { void foo(); }\nvoid f() { a::foo(); }\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("a::bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver("namespace a { int foo(); }\nauto f = a::foo();\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("bar", replaceCallExpr(Expr, "::a::bar"));
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};
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Visitor.runOver(
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"namespace a { int foo(); }\nusing a::foo;\nauto f = foo();\n");
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Visitor.OnCall = [&](CallExpr *Expr) {
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EXPECT_EQ("c::bar", replaceCallExpr(Expr, "::a::c::bar"));
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};
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Visitor.runOver("namespace a { namespace b { void foo(); } }\n"
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"namespace a { namespace b { namespace {"
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"void f() { foo(); }"
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"} } }\n");
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}
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} // end anonymous namespace
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