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Differential D5671

Separated RecursiveASTVisitorTest into multiple files to prevent the necessity of using /bigobj on MSVC.
ClosedPublic

Authored by curdeius on Oct 8 2014, 6:11 AM.

Details

Reviewers
klimek
delesley
jdennett

Diff Detail

Event Timeline

curdeius updated this revision to Diff 14569.Oct 8 2014, 6:11 AM
curdeius retitled this revision from to Separated RecursiveASTVisitorTest into multiple files to prevent the necessity of using /bigobj on MSVC..
curdeius updated this object.
curdeius edited the test plan for this revision. (Show Details)
curdeius added a subscriber: curdeius.
Herald added a subscriber: klimek. · View Herald TranscriptOct 8 2014, 6:11 AM
curdeius added reviewers: klimek, jdennett, delesley.Oct 8 2014, 6:16 AM
curdeius added a subscriber: Unknown Object (MLST).
klimek accepted this revision.Oct 8 2014, 7:30 AM
klimek edited edge metadata.

I like the splitting up, even though I think it's for the wrong reasons :)

This revision is now accepted and ready to land.Oct 8 2014, 7:30 AM
curdeius added a comment.Oct 8 2014, 7:35 AM

Well, another reason was to keep it easy to digest in smaller chunks, but yes I didn't mention it even if it is more important.
Can you please land it as I have no write access.
The error on MSVC was annoying though.

unittests/Tooling/TestVisitor.h
234

Wrong header guard comment removed.

curdeius closed this revision.Oct 10 2014, 1:33 AM

Commited by klimek in r219410.

Revision Contents

Diff 14569

unittests/Tooling/CMakeLists.txt

set(LLVM_LINK_COMPONENTS set(LLVM_LINK_COMPONENTS
Support Support
) )
add_clang_unittest(ToolingTests add_clang_unittest(ToolingTests
CommentHandlerTest.cpp CommentHandlerTest.cpp
CompilationDatabaseTest.cpp CompilationDatabaseTest.cpp
ToolingTest.cpp ToolingTest.cpp
RecursiveASTVisitorTest.cpp RecursiveASTVisitorTest.cpp
RecursiveASTVisitorTestCallVisitor.cpp
RecursiveASTVisitorTestDeclVisitor.cpp
RecursiveASTVisitorTestExprVisitor.cpp
RecursiveASTVisitorTestTypeLocVisitor.cpp
RefactoringTest.cpp RefactoringTest.cpp
RewriterTest.cpp RewriterTest.cpp
RefactoringCallbacksTest.cpp RefactoringCallbacksTest.cpp
ReplacementsYamlTest.cpp ReplacementsYamlTest.cpp
) )
target_link_libraries(ToolingTests target_link_libraries(ToolingTests
clangAST clangAST
clangASTMatchers clangASTMatchers
clangBasic clangBasic
clangFrontend clangFrontend
clangLex clangLex
clangRewrite clangRewrite
clangTooling clangTooling
) )

unittests/Tooling/RecursiveASTVisitorTest.cpp

//===- unittest/Tooling/RecursiveASTVisitorTest.cpp -----------------------===// //===- unittest/Tooling/RecursiveASTVisitorTest.cpp -----------------------===//
// //
// The LLVM Compiler Infrastructure // The LLVM Compiler Infrastructure
// //
// This file is distributed under the University of Illinois Open Source // This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details. // License. See LICENSE.TXT for details.
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "TestVisitor.h" #include "TestVisitor.h"
#include <stack> #include <stack>
using namespace clang; using namespace clang;
namespace { namespace {
class TypeLocVisitor : public ExpectedLocationVisitor<TypeLocVisitor> {
public:
bool VisitTypeLoc(TypeLoc TypeLocation) {
Match(TypeLocation.getType().getAsString(), TypeLocation.getBeginLoc());
return true;
}
};
class DeclRefExprVisitor : public ExpectedLocationVisitor<DeclRefExprVisitor> {
public:
bool VisitDeclRefExpr(DeclRefExpr *Reference) {
Match(Reference->getNameInfo().getAsString(), Reference->getLocation());
return true;
}
};
class VarDeclVisitor : public ExpectedLocationVisitor<VarDeclVisitor> {
public:
bool VisitVarDecl(VarDecl *Variable) {
Match(Variable->getNameAsString(), Variable->getLocStart());
return true;
}
};
class ParmVarDeclVisitorForImplicitCode :
public ExpectedLocationVisitor<ParmVarDeclVisitorForImplicitCode> {
public:
bool shouldVisitImplicitCode() const { return true; }
bool VisitParmVarDecl(ParmVarDecl *ParamVar) {
Match(ParamVar->getNameAsString(), ParamVar->getLocStart());
return true;
}
};
class CXXMemberCallVisitor
: public ExpectedLocationVisitor<CXXMemberCallVisitor> {
public:
bool VisitCXXMemberCallExpr(CXXMemberCallExpr *Call) {
Match(Call->getMethodDecl()->getQualifiedNameAsString(),
Call->getLocStart());
return true;
}
};
class NamedDeclVisitor
: public ExpectedLocationVisitor<NamedDeclVisitor> {
public:
bool VisitNamedDecl(NamedDecl *Decl) {
std::string NameWithTemplateArgs;
llvm::raw_string_ostream OS(NameWithTemplateArgs);
Decl->getNameForDiagnostic(OS,
Decl->getASTContext().getPrintingPolicy(),
true);
Match(OS.str(), Decl->getLocation());
return true;
}
};
class CXXOperatorCallExprTraverser
: public ExpectedLocationVisitor<CXXOperatorCallExprTraverser> {
public:
// Use Traverse, not Visit, to check that data recursion optimization isn't
// bypassing the call of this function.
bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *CE) {
Match(getOperatorSpelling(CE->getOperator()), CE->getExprLoc());
return ExpectedLocationVisitor<CXXOperatorCallExprTraverser>::
TraverseCXXOperatorCallExpr(CE);
}
};
class ParenExprVisitor : public ExpectedLocationVisitor<ParenExprVisitor> {
public:
bool VisitParenExpr(ParenExpr *Parens) {
Match("", Parens->getExprLoc());
return true;
}
};
class LambdaExprVisitor : public ExpectedLocationVisitor<LambdaExprVisitor> { class LambdaExprVisitor : public ExpectedLocationVisitor<LambdaExprVisitor> {
public: public:
bool VisitLambdaExpr(LambdaExpr *Lambda) { bool VisitLambdaExpr(LambdaExpr *Lambda) {
PendingBodies.push(Lambda); PendingBodies.push(Lambda);
Match("", Lambda->getIntroducerRange().getBegin()); Match("", Lambda->getIntroducerRange().getBegin());
return true; return true;
} }
/// For each call to VisitLambdaExpr, we expect a subsequent call (with /// For each call to VisitLambdaExpr, we expect a subsequent call (with
/// proper nesting) to TraverseLambdaBody. /// proper nesting) to TraverseLambdaBody.
bool TraverseLambdaBody(LambdaExpr *Lambda) { bool TraverseLambdaBody(LambdaExpr *Lambda) {
EXPECT_FALSE(PendingBodies.empty()); EXPECT_FALSE(PendingBodies.empty());
EXPECT_EQ(PendingBodies.top(), Lambda); EXPECT_EQ(PendingBodies.top(), Lambda);
PendingBodies.pop(); PendingBodies.pop();
return TraverseStmt(Lambda->getBody()); return TraverseStmt(Lambda->getBody());
} }
/// Determine whether TraverseLambdaBody has been called for every call to /// Determine whether TraverseLambdaBody has been called for every call to
/// VisitLambdaExpr. /// VisitLambdaExpr.
bool allBodiesHaveBeenTraversed() const { bool allBodiesHaveBeenTraversed() const {
return PendingBodies.empty(); return PendingBodies.empty();
} }
private: private:
std::stack<LambdaExpr *> PendingBodies; std::stack<LambdaExpr *> PendingBodies;
}; };
// Matches the (optional) capture-default of a lambda-introducer.
class LambdaDefaultCaptureVisitor
: public ExpectedLocationVisitor<LambdaDefaultCaptureVisitor> {
public:
bool VisitLambdaExpr(LambdaExpr *Lambda) {
if (Lambda->getCaptureDefault() != LCD_None) {
Match("", Lambda->getCaptureDefaultLoc());
}
return true;
}
};
class TemplateArgumentLocTraverser
: public ExpectedLocationVisitor<TemplateArgumentLocTraverser> {
public:
bool TraverseTemplateArgumentLoc(const TemplateArgumentLoc &ArgLoc) {
std::string ArgStr;
llvm::raw_string_ostream Stream(ArgStr);
const TemplateArgument &Arg = ArgLoc.getArgument();
Arg.print(Context->getPrintingPolicy(), Stream);
Match(Stream.str(), ArgLoc.getLocation());
return ExpectedLocationVisitor<TemplateArgumentLocTraverser>::
TraverseTemplateArgumentLoc(ArgLoc);
}
};
class CXXBoolLiteralExprVisitor
: public ExpectedLocationVisitor<CXXBoolLiteralExprVisitor> {
public:
bool VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *BE) {
if (BE->getValue())
Match("true", BE->getLocation());
else
Match("false", BE->getLocation());
return true;
}
};
// Test RAV visits parameter variable declaration of the implicit
// copy assignment operator and implicit copy constructor.
TEST(RecursiveASTVisitor, VisitsParmVarDeclForImplicitCode) {
ParmVarDeclVisitorForImplicitCode Visitor;
// Match parameter variable name of implicit copy assignment operator and
// implicit copy constructor.
// This parameter name does not have a valid IdentifierInfo, and shares
// same SourceLocation with its class declaration, so we match an empty name
// with the class' source location.
Visitor.ExpectMatch("", 1, 7);
Visitor.ExpectMatch("", 3, 7);
EXPECT_TRUE(Visitor.runOver(
"class X {};\n"
"void foo(X a, X b) {a = b;}\n"
"class Y {};\n"
"void bar(Y a) {Y b = a;}"));
}
TEST(RecursiveASTVisitor, VisitsBaseClassDeclarations) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 1, 30);
EXPECT_TRUE(Visitor.runOver("class X {}; class Y : public X {};"));
}
TEST(RecursiveASTVisitor, VisitsCXXBaseSpecifiersOfForwardDeclaredClass) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 3, 18);
EXPECT_TRUE(Visitor.runOver(
"class Y;\n"
"class X {};\n"
"class Y : public X {};"));
}
TEST(RecursiveASTVisitor, VisitsCXXBaseSpecifiersWithIncompleteInnerClass) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 2, 18);
EXPECT_TRUE(Visitor.runOver(
"class X {};\n"
"class Y : public X { class Z; };"));
}
TEST(RecursiveASTVisitor, VisitsCXXBaseSpecifiersOfSelfReferentialType) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("X<class Y>", 2, 18);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> class X {};\n"
"class Y : public X<Y> {};"));
}
TEST(RecursiveASTVisitor, VisitsBaseClassTemplateArguments) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 2, 3);
EXPECT_TRUE(Visitor.runOver(
"void x(); template <void (*T)()> class X {};\nX<x> y;"));
}
TEST(RecursiveASTVisitor, VisitsCXXForRangeStmtRange) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 2, 25);
Visitor.ExpectMatch("x", 2, 30);
EXPECT_TRUE(Visitor.runOver(
"int x[5];\n"
"void f() { for (int i : x) { x[0] = 1; } }",
DeclRefExprVisitor::Lang_CXX11));
}
TEST(RecursiveASTVisitor, VisitsCXXForRangeStmtLoopVariable) {
VarDeclVisitor Visitor;
Visitor.ExpectMatch("i", 2, 17);
EXPECT_TRUE(Visitor.runOver(
"int x[5];\n"
"void f() { for (int i : x) {} }",
VarDeclVisitor::Lang_CXX11));
}
TEST(RecursiveASTVisitor, VisitsCallExpr) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 1, 22);
EXPECT_TRUE(Visitor.runOver(
"void x(); void y() { x(); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("Y::x", 3, 3);
EXPECT_TRUE(Visitor.runOver(
"struct Y { void x(); };\n"
"template<typename T> void y(T t) {\n"
" t.x();\n"
"}\n"
"void foo() { y<Y>(Y()); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInNestedFunctionTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("Y::x", 4, 5);
EXPECT_TRUE(Visitor.runOver(
"struct Y { void x(); };\n"
"template<typename T> struct Z {\n"
" template<typename U> static void f() {\n"
" T().x();\n"
" }\n"
"};\n"
"void foo() { Z<Y>::f<int>(); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInNestedClassTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::x", 5, 7);
EXPECT_TRUE(Visitor.runOver(
"template <typename T1> struct X {\n"
" template <typename T2> struct Y {\n"
" void f() {\n"
" T2 y;\n"
" y.x();\n"
" }\n"
" };\n"
"};\n"
"struct A { void x(); };\n"
"int main() {\n"
" (new X<A>::Y<A>())->f();\n"
"}"));
}
/* FIXME: According to Richard Smith this is a bug in the AST.
TEST(RecursiveASTVisitor, VisitsBaseClassTemplateArgumentsInInstantiation) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 3, 43);
EXPECT_TRUE(Visitor.runOver(
"template <typename T> void x();\n"
"template <void (*T)()> class X {};\n"
"template <typename T> class Y : public X< x<T> > {};\n"
"Y<int> y;"));
}
*/
TEST(RecursiveASTVisitor, VisitsCallInPartialTemplateSpecialization) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::x", 6, 20);
EXPECT_TRUE(Visitor.runOver(
"template <typename T1> struct X {\n"
" template <typename T2, bool B> struct Y { void g(); };\n"
"};\n"
"template <typename T1> template <typename T2>\n"
"struct X<T1>::Y<T2, true> {\n"
" void f() { T2 y; y.x(); }\n"
"};\n"
"struct A { void x(); };\n"
"int main() {\n"
" (new X<A>::Y<A, true>())->f();\n"
"}\n"));
}
TEST(RecursiveASTVisitor, VisitsExplicitTemplateSpecialization) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::f", 4, 5);
EXPECT_TRUE(Visitor.runOver(
"struct A {\n"
" void f() const {}\n"
" template<class T> void g(const T& t) const {\n"
" t.f();\n"
" }\n"
"};\n"
"template void A::g(const A& a) const;\n"));
}
TEST(RecursiveASTVisitor, VisitsPartialTemplateSpecialization) {
// From cfe-commits/Week-of-Mon-20100830/033998.html
// Contrary to the approach suggested in that email, we visit all
// specializations when we visit the primary template. Visiting them when we
// visit the associated specialization is problematic for specializations of
// template members of class templates.
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<bool>", 1, 26);
Visitor.ExpectMatch("A<char *>", 2, 26);
EXPECT_TRUE(Visitor.runOver(
"template <class T> class A {};\n"
"template <class T> class A<T*> {};\n"
"A<bool> ab;\n"
"A<char*> acp;\n"));
}
TEST(RecursiveASTVisitor, VisitsUndefinedClassTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>", 1, 29);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> struct A;\n"
"A<int> *p;\n"));
}
TEST(RecursiveASTVisitor, VisitsNestedUndefinedClassTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>::B<char>", 2, 31);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> struct A {\n"
" template<typename U> struct B;\n"
"};\n"
"A<int>::B<char> *p;\n"));
}
TEST(RecursiveASTVisitor, VisitsUndefinedFunctionTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>", 1, 26);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> int A();\n"
"int k = A<int>();\n"));
}
TEST(RecursiveASTVisitor, VisitsNestedUndefinedFunctionTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>::B<char>", 2, 35);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> struct A {\n"
" template<typename U> static int B();\n"
"};\n"
"int k = A<int>::B<char>();\n"));
}
TEST(RecursiveASTVisitor, NoRecursionInSelfFriend) {
// From cfe-commits/Week-of-Mon-20100830/033977.html
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("vector_iterator<int>", 2, 7);
EXPECT_TRUE(Visitor.runOver(
"template<typename Container>\n"
"class vector_iterator {\n"
" template <typename C> friend class vector_iterator;\n"
"};\n"
"vector_iterator<int> it_int;\n"));
}
TEST(RecursiveASTVisitor, TraversesOverloadedOperator) {
CXXOperatorCallExprTraverser Visitor;
Visitor.ExpectMatch("()", 4, 9);
EXPECT_TRUE(Visitor.runOver(
"struct A {\n"
" int operator()();\n"
"} a;\n"
"int k = a();\n"));
}
TEST(RecursiveASTVisitor, VisitsParensDuringDataRecursion) {
ParenExprVisitor Visitor;
Visitor.ExpectMatch("", 1, 9);
EXPECT_TRUE(Visitor.runOver("int k = (4) + 9;\n"));
}
TEST(RecursiveASTVisitor, VisitsClassTemplateNonTypeParmDefaultArgument) {
CXXBoolLiteralExprVisitor Visitor;
Visitor.ExpectMatch("true", 2, 19);
EXPECT_TRUE(Visitor.runOver(
"template<bool B> class X;\n"
"template<bool B = true> class Y;\n"
"template<bool B> class Y {};\n"));
}
TEST(RecursiveASTVisitor, VisitsClassTemplateTypeParmDefaultArgument) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 2, 23);
EXPECT_TRUE(Visitor.runOver(
"class X;\n"
"template<typename T = X> class Y;\n"
"template<typename T> class Y {};\n"));
}
TEST(RecursiveASTVisitor, VisitsClassTemplateTemplateParmDefaultArgument) {
TemplateArgumentLocTraverser Visitor;
Visitor.ExpectMatch("X", 2, 40);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> class X;\n"
"template<template <typename> class T = X> class Y;\n"
"template<template <typename> class T> class Y {};\n"));
}
// A visitor that visits implicit declarations and matches constructors.
class ImplicitCtorVisitor
: public ExpectedLocationVisitor<ImplicitCtorVisitor> {
public:
bool shouldVisitImplicitCode() const { return true; }
bool VisitCXXConstructorDecl(CXXConstructorDecl* Ctor) {
if (Ctor->isImplicit()) { // Was not written in source code
if (const CXXRecordDecl* Class = Ctor->getParent()) {
Match(Class->getName(), Ctor->getLocation());
}
}
return true;
}
};
TEST(RecursiveASTVisitor, VisitsImplicitCopyConstructors) {
ImplicitCtorVisitor Visitor;
Visitor.ExpectMatch("Simple", 2, 8);
// Note: Clang lazily instantiates implicit declarations, so we need
// to use them in order to force them to appear in the AST.
EXPECT_TRUE(Visitor.runOver(
"struct WithCtor { WithCtor(); }; \n"
"struct Simple { Simple(); WithCtor w; }; \n"
"int main() { Simple s; Simple t(s); }\n"));
}
/// \brief A visitor that optionally includes implicit code and matches
/// CXXConstructExpr.
///
/// The name recorded for the match is the name of the class whose constructor
/// is invoked by the CXXConstructExpr, not the name of the class whose
/// constructor the CXXConstructExpr is contained in.
class ConstructExprVisitor
: public ExpectedLocationVisitor<ConstructExprVisitor> {
public:
ConstructExprVisitor() : ShouldVisitImplicitCode(false) {}
bool shouldVisitImplicitCode() const { return ShouldVisitImplicitCode; }
void setShouldVisitImplicitCode(bool NewValue) {
ShouldVisitImplicitCode = NewValue;
}
bool VisitCXXConstructExpr(CXXConstructExpr* Expr) {
if (const CXXConstructorDecl* Ctor = Expr->getConstructor()) {
if (const CXXRecordDecl* Class = Ctor->getParent()) {
Match(Class->getName(), Expr->getLocation());
}
}
return true;
}
private:
bool ShouldVisitImplicitCode;
};
TEST(RecursiveASTVisitor, CanVisitImplicitMemberInitializations) {
ConstructExprVisitor Visitor;
Visitor.setShouldVisitImplicitCode(true);
Visitor.ExpectMatch("WithCtor", 2, 8);
// Simple has a constructor that implicitly initializes 'w'. Test
// that a visitor that visits implicit code visits that initialization.
// Note: Clang lazily instantiates implicit declarations, so we need
// to use them in order to force them to appear in the AST.
EXPECT_TRUE(Visitor.runOver(
"struct WithCtor { WithCtor(); }; \n"
"struct Simple { WithCtor w; }; \n"
"int main() { Simple s; }\n"));
}
// The same as CanVisitImplicitMemberInitializations, but checking that the
// visits are omitted when the visitor does not include implicit code.
TEST(RecursiveASTVisitor, CanSkipImplicitMemberInitializations) {
ConstructExprVisitor Visitor;
Visitor.setShouldVisitImplicitCode(false);
Visitor.DisallowMatch("WithCtor", 2, 8);
// Simple has a constructor that implicitly initializes 'w'. Test
// that a visitor that skips implicit code skips that initialization.
// Note: Clang lazily instantiates implicit declarations, so we need
// to use them in order to force them to appear in the AST.
EXPECT_TRUE(Visitor.runOver(
"struct WithCtor { WithCtor(); }; \n"
"struct Simple { WithCtor w; }; \n"
"int main() { Simple s; }\n"));
}
TEST(RecursiveASTVisitor, VisitsExtension) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("s", 1, 24);
EXPECT_TRUE(Visitor.runOver(
"int s = __extension__ (s);\n"));
}
TEST(RecursiveASTVisitor, VisitsCompoundLiteralType) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("struct S", 1, 26);
EXPECT_TRUE(Visitor.runOver(
"int f() { return (struct S { int a; }){.a = 0}.a; }",
TypeLocVisitor::Lang_C));
}
TEST(RecursiveASTVisitor, VisitsObjCPropertyType) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("NSNumber", 2, 33);
EXPECT_TRUE(Visitor.runOver(
"@class NSNumber; \n"
"@interface A @property (retain) NSNumber *x; @end\n",
TypeLocVisitor::Lang_OBJC));
}
TEST(RecursiveASTVisitor, VisitsLambdaExpr) { TEST(RecursiveASTVisitor, VisitsLambdaExpr) {
LambdaExprVisitor Visitor; LambdaExprVisitor Visitor;
Visitor.ExpectMatch("", 1, 12); Visitor.ExpectMatch("", 1, 12);
EXPECT_TRUE(Visitor.runOver("void f() { []{ return; }(); }", EXPECT_TRUE(Visitor.runOver("void f() { []{ return; }(); }",
LambdaExprVisitor::Lang_CXX11)); LambdaExprVisitor::Lang_CXX11));
} }
TEST(RecursiveASTVisitor, TraverseLambdaBodyCanBeOverridden) { TEST(RecursiveASTVisitor, TraverseLambdaBodyCanBeOverridden) {
LambdaExprVisitor Visitor; LambdaExprVisitor Visitor;
EXPECT_TRUE(Visitor.runOver("void f() { []{ return; }(); }", EXPECT_TRUE(Visitor.runOver("void f() { []{ return; }(); }",
LambdaExprVisitor::Lang_CXX11)); LambdaExprVisitor::Lang_CXX11));
EXPECT_TRUE(Visitor.allBodiesHaveBeenTraversed()); EXPECT_TRUE(Visitor.allBodiesHaveBeenTraversed());
} }
// Matches the (optional) capture-default of a lambda-introducer.
class LambdaDefaultCaptureVisitor
: public ExpectedLocationVisitor<LambdaDefaultCaptureVisitor> {
public:
bool VisitLambdaExpr(LambdaExpr *Lambda) {
if (Lambda->getCaptureDefault() != LCD_None) {
Match("", Lambda->getCaptureDefaultLoc());
}
return true;
}
};
TEST(RecursiveASTVisitor, HasCaptureDefaultLoc) { TEST(RecursiveASTVisitor, HasCaptureDefaultLoc) {
LambdaDefaultCaptureVisitor Visitor; LambdaDefaultCaptureVisitor Visitor;
Visitor.ExpectMatch("", 1, 20); Visitor.ExpectMatch("", 1, 20);
EXPECT_TRUE(Visitor.runOver("void f() { int a; [=]{a;}; }", EXPECT_TRUE(Visitor.runOver("void f() { int a; [=]{a;}; }",
LambdaDefaultCaptureVisitor::Lang_CXX11)); LambdaDefaultCaptureVisitor::Lang_CXX11));
} }
TEST(RecursiveASTVisitor, VisitsCopyExprOfBlockDeclCapture) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 3, 24);
EXPECT_TRUE(Visitor.runOver("void f(int(^)(int)); \n"
"void g() { \n"
" f([&](int x){ return x; }); \n"
"}",
DeclRefExprVisitor::Lang_OBJCXX11));
}
// Checks for lambda classes that are not marked as implicitly-generated. // Checks for lambda classes that are not marked as implicitly-generated.
// (There should be none.) // (There should be none.)
class ClassVisitor : public ExpectedLocationVisitor<ClassVisitor> { class ClassVisitor : public ExpectedLocationVisitor<ClassVisitor> {
public: public:
ClassVisitor() : SawNonImplicitLambdaClass(false) {} ClassVisitor() : SawNonImplicitLambdaClass(false) {}
bool VisitCXXRecordDecl(CXXRecordDecl* record) { bool VisitCXXRecordDecl(CXXRecordDecl* record) {
if (record->isLambda() && !record->isImplicit()) if (record->isLambda() && !record->isImplicit())
SawNonImplicitLambdaClass = true; SawNonImplicitLambdaClass = true;
Show All 11 Lines
TEST(RecursiveASTVisitor, LambdaClosureTypesAreImplicit) { TEST(RecursiveASTVisitor, LambdaClosureTypesAreImplicit) {
ClassVisitor Visitor; ClassVisitor Visitor;
EXPECT_TRUE(Visitor.runOver("auto lambda = []{};", EXPECT_TRUE(Visitor.runOver("auto lambda = []{};",
ClassVisitor::Lang_CXX11)); ClassVisitor::Lang_CXX11));
EXPECT_TRUE(Visitor.sawOnlyImplicitLambdaClasses()); EXPECT_TRUE(Visitor.sawOnlyImplicitLambdaClasses());
} }
// Check to ensure that attributes and expressions within them are being // Check to ensure that attributes and expressions within them are being
// visited. // visited.
class AttrVisitor : public ExpectedLocationVisitor<AttrVisitor> { class AttrVisitor : public ExpectedLocationVisitor<AttrVisitor> {
public: public:
bool VisitMemberExpr(MemberExpr *ME) { bool VisitMemberExpr(MemberExpr *ME) {
Match(ME->getMemberDecl()->getNameAsString(), ME->getLocStart()); Match(ME->getMemberDecl()->getNameAsString(), ME->getLocStart());
return true; return true;
} }
Show All 29 Lines

unittests/Tooling/RecursiveASTVisitorTestCallVisitor.cpp

  • This file was added.
//===- unittest/Tooling/RecursiveASTVisitorTestCallVisitor.cpp ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
#include <stack>
using namespace clang;
namespace {
class CXXMemberCallVisitor
: public ExpectedLocationVisitor<CXXMemberCallVisitor> {
public:
bool VisitCXXMemberCallExpr(CXXMemberCallExpr *Call) {
Match(Call->getMethodDecl()->getQualifiedNameAsString(),
Call->getLocStart());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsCallInTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("Y::x", 3, 3);
EXPECT_TRUE(Visitor.runOver(
"struct Y { void x(); };\n"
"template<typename T> void y(T t) {\n"
" t.x();\n"
"}\n"
"void foo() { y<Y>(Y()); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInNestedFunctionTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("Y::x", 4, 5);
EXPECT_TRUE(Visitor.runOver(
"struct Y { void x(); };\n"
"template<typename T> struct Z {\n"
" template<typename U> static void f() {\n"
" T().x();\n"
" }\n"
"};\n"
"void foo() { Z<Y>::f<int>(); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInNestedClassTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::x", 5, 7);
EXPECT_TRUE(Visitor.runOver(
"template <typename T1> struct X {\n"
" template <typename T2> struct Y {\n"
" void f() {\n"
" T2 y;\n"
" y.x();\n"
" }\n"
" };\n"
"};\n"
"struct A { void x(); };\n"
"int main() {\n"
" (new X<A>::Y<A>())->f();\n"
"}"));
}
TEST(RecursiveASTVisitor, VisitsCallInPartialTemplateSpecialization) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::x", 6, 20);
EXPECT_TRUE(Visitor.runOver(
"template <typename T1> struct X {\n"
" template <typename T2, bool B> struct Y { void g(); };\n"
"};\n"
"template <typename T1> template <typename T2>\n"
"struct X<T1>::Y<T2, true> {\n"
" void f() { T2 y; y.x(); }\n"
"};\n"
"struct A { void x(); };\n"
"int main() {\n"
" (new X<A>::Y<A, true>())->f();\n"
"}\n"));
}
TEST(RecursiveASTVisitor, VisitsExplicitTemplateSpecialization) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::f", 4, 5);
EXPECT_TRUE(Visitor.runOver(
"struct A {\n"
" void f() const {}\n"
" template<class T> void g(const T& t) const {\n"
" t.f();\n"
" }\n"
"};\n"
"template void A::g(const A& a) const;\n"));
}
class CXXOperatorCallExprTraverser
: public ExpectedLocationVisitor<CXXOperatorCallExprTraverser> {
public:
// Use Traverse, not Visit, to check that data recursion optimization isn't
// bypassing the call of this function.
bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *CE) {
Match(getOperatorSpelling(CE->getOperator()), CE->getExprLoc());
return ExpectedLocationVisitor<CXXOperatorCallExprTraverser>::
TraverseCXXOperatorCallExpr(CE);
}
};
TEST(RecursiveASTVisitor, TraversesOverloadedOperator) {
CXXOperatorCallExprTraverser Visitor;
Visitor.ExpectMatch("()", 4, 9);
EXPECT_TRUE(Visitor.runOver(
"struct A {\n"
" int operator()();\n"
"} a;\n"
"int k = a();\n"));
}
} // end anonymous namespace

unittests/Tooling/RecursiveASTVisitorTestDeclVisitor.cpp

  • This file was added.
//===- unittest/Tooling/RecursiveASTVisitorTestDeclVisitor.cpp ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
#include <stack>
using namespace clang;
namespace {
class VarDeclVisitor : public ExpectedLocationVisitor<VarDeclVisitor> {
public:
bool VisitVarDecl(VarDecl *Variable) {
Match(Variable->getNameAsString(), Variable->getLocStart());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsCXXForRangeStmtLoopVariable) {
VarDeclVisitor Visitor;
Visitor.ExpectMatch("i", 2, 17);
EXPECT_TRUE(Visitor.runOver(
"int x[5];\n"
"void f() { for (int i : x) {} }",
VarDeclVisitor::Lang_CXX11));
}
class ParmVarDeclVisitorForImplicitCode :
public ExpectedLocationVisitor<ParmVarDeclVisitorForImplicitCode> {
public:
bool shouldVisitImplicitCode() const { return true; }
bool VisitParmVarDecl(ParmVarDecl *ParamVar) {
Match(ParamVar->getNameAsString(), ParamVar->getLocStart());
return true;
}
};
// Test RAV visits parameter variable declaration of the implicit
// copy assignment operator and implicit copy constructor.
TEST(RecursiveASTVisitor, VisitsParmVarDeclForImplicitCode) {
ParmVarDeclVisitorForImplicitCode Visitor;
// Match parameter variable name of implicit copy assignment operator and
// implicit copy constructor.
// This parameter name does not have a valid IdentifierInfo, and shares
// same SourceLocation with its class declaration, so we match an empty name
// with the class' source location.
Visitor.ExpectMatch("", 1, 7);
Visitor.ExpectMatch("", 3, 7);
EXPECT_TRUE(Visitor.runOver(
"class X {};\n"
"void foo(X a, X b) {a = b;}\n"
"class Y {};\n"
"void bar(Y a) {Y b = a;}"));
}
class NamedDeclVisitor
: public ExpectedLocationVisitor<NamedDeclVisitor> {
public:
bool VisitNamedDecl(NamedDecl *Decl) {
std::string NameWithTemplateArgs;
llvm::raw_string_ostream OS(NameWithTemplateArgs);
Decl->getNameForDiagnostic(OS,
Decl->getASTContext().getPrintingPolicy(),
true);
Match(OS.str(), Decl->getLocation());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsPartialTemplateSpecialization) {
// From cfe-commits/Week-of-Mon-20100830/033998.html
// Contrary to the approach suggested in that email, we visit all
// specializations when we visit the primary template. Visiting them when we
// visit the associated specialization is problematic for specializations of
// template members of class templates.
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<bool>", 1, 26);
Visitor.ExpectMatch("A<char *>", 2, 26);
EXPECT_TRUE(Visitor.runOver(
"template <class T> class A {};\n"
"template <class T> class A<T*> {};\n"
"A<bool> ab;\n"
"A<char*> acp;\n"));
}
TEST(RecursiveASTVisitor, VisitsUndefinedClassTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>", 1, 29);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> struct A;\n"
"A<int> *p;\n"));
}
TEST(RecursiveASTVisitor, VisitsNestedUndefinedClassTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>::B<char>", 2, 31);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> struct A {\n"
" template<typename U> struct B;\n"
"};\n"
"A<int>::B<char> *p;\n"));
}
TEST(RecursiveASTVisitor, VisitsUndefinedFunctionTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>", 1, 26);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> int A();\n"
"int k = A<int>();\n"));
}
TEST(RecursiveASTVisitor, VisitsNestedUndefinedFunctionTemplateSpecialization) {
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("A<int>::B<char>", 2, 35);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> struct A {\n"
" template<typename U> static int B();\n"
"};\n"
"int k = A<int>::B<char>();\n"));
}
TEST(RecursiveASTVisitor, NoRecursionInSelfFriend) {
// From cfe-commits/Week-of-Mon-20100830/033977.html
NamedDeclVisitor Visitor;
Visitor.ExpectMatch("vector_iterator<int>", 2, 7);
EXPECT_TRUE(Visitor.runOver(
"template<typename Container>\n"
"class vector_iterator {\n"
" template <typename C> friend class vector_iterator;\n"
"};\n"
"vector_iterator<int> it_int;\n"));
}
} // end anonymous namespace

unittests/Tooling/RecursiveASTVisitorTestExprVisitor.cpp

  • This file was added.
//===- unittest/Tooling/RecursiveASTVisitorTestExprVisitor.cpp ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
#include <stack>
using namespace clang;
namespace {
class ParenExprVisitor : public ExpectedLocationVisitor<ParenExprVisitor> {
public:
bool VisitParenExpr(ParenExpr *Parens) {
Match("", Parens->getExprLoc());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsParensDuringDataRecursion) {
ParenExprVisitor Visitor;
Visitor.ExpectMatch("", 1, 9);
EXPECT_TRUE(Visitor.runOver("int k = (4) + 9;\n"));
}
class TemplateArgumentLocTraverser
: public ExpectedLocationVisitor<TemplateArgumentLocTraverser> {
public:
bool TraverseTemplateArgumentLoc(const TemplateArgumentLoc &ArgLoc) {
std::string ArgStr;
llvm::raw_string_ostream Stream(ArgStr);
const TemplateArgument &Arg = ArgLoc.getArgument();
Arg.print(Context->getPrintingPolicy(), Stream);
Match(Stream.str(), ArgLoc.getLocation());
return ExpectedLocationVisitor<TemplateArgumentLocTraverser>::
TraverseTemplateArgumentLoc(ArgLoc);
}
};
TEST(RecursiveASTVisitor, VisitsClassTemplateTemplateParmDefaultArgument) {
TemplateArgumentLocTraverser Visitor;
Visitor.ExpectMatch("X", 2, 40);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> class X;\n"
"template<template <typename> class T = X> class Y;\n"
"template<template <typename> class T> class Y {};\n"));
}
class CXXBoolLiteralExprVisitor
: public ExpectedLocationVisitor<CXXBoolLiteralExprVisitor> {
public:
bool VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *BE) {
if (BE->getValue())
Match("true", BE->getLocation());
else
Match("false", BE->getLocation());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsClassTemplateNonTypeParmDefaultArgument) {
CXXBoolLiteralExprVisitor Visitor;
Visitor.ExpectMatch("true", 2, 19);
EXPECT_TRUE(Visitor.runOver(
"template<bool B> class X;\n"
"template<bool B = true> class Y;\n"
"template<bool B> class Y {};\n"));
}
// A visitor that visits implicit declarations and matches constructors.
class ImplicitCtorVisitor
: public ExpectedLocationVisitor<ImplicitCtorVisitor> {
public:
bool shouldVisitImplicitCode() const { return true; }
bool VisitCXXConstructorDecl(CXXConstructorDecl* Ctor) {
if (Ctor->isImplicit()) { // Was not written in source code
if (const CXXRecordDecl* Class = Ctor->getParent()) {
Match(Class->getName(), Ctor->getLocation());
}
}
return true;
}
};
TEST(RecursiveASTVisitor, VisitsImplicitCopyConstructors) {
ImplicitCtorVisitor Visitor;
Visitor.ExpectMatch("Simple", 2, 8);
// Note: Clang lazily instantiates implicit declarations, so we need
// to use them in order to force them to appear in the AST.
EXPECT_TRUE(Visitor.runOver(
"struct WithCtor { WithCtor(); }; \n"
"struct Simple { Simple(); WithCtor w; }; \n"
"int main() { Simple s; Simple t(s); }\n"));
}
/// \brief A visitor that optionally includes implicit code and matches
/// CXXConstructExpr.
///
/// The name recorded for the match is the name of the class whose constructor
/// is invoked by the CXXConstructExpr, not the name of the class whose
/// constructor the CXXConstructExpr is contained in.
class ConstructExprVisitor
: public ExpectedLocationVisitor<ConstructExprVisitor> {
public:
ConstructExprVisitor() : ShouldVisitImplicitCode(false) {}
bool shouldVisitImplicitCode() const { return ShouldVisitImplicitCode; }
void setShouldVisitImplicitCode(bool NewValue) {
ShouldVisitImplicitCode = NewValue;
}
bool VisitCXXConstructExpr(CXXConstructExpr* Expr) {
if (const CXXConstructorDecl* Ctor = Expr->getConstructor()) {
if (const CXXRecordDecl* Class = Ctor->getParent()) {
Match(Class->getName(), Expr->getLocation());
}
}
return true;
}
private:
bool ShouldVisitImplicitCode;
};
TEST(RecursiveASTVisitor, CanVisitImplicitMemberInitializations) {
ConstructExprVisitor Visitor;
Visitor.setShouldVisitImplicitCode(true);
Visitor.ExpectMatch("WithCtor", 2, 8);
// Simple has a constructor that implicitly initializes 'w'. Test
// that a visitor that visits implicit code visits that initialization.
// Note: Clang lazily instantiates implicit declarations, so we need
// to use them in order to force them to appear in the AST.
EXPECT_TRUE(Visitor.runOver(
"struct WithCtor { WithCtor(); }; \n"
"struct Simple { WithCtor w; }; \n"
"int main() { Simple s; }\n"));
}
// The same as CanVisitImplicitMemberInitializations, but checking that the
// visits are omitted when the visitor does not include implicit code.
TEST(RecursiveASTVisitor, CanSkipImplicitMemberInitializations) {
ConstructExprVisitor Visitor;
Visitor.setShouldVisitImplicitCode(false);
Visitor.DisallowMatch("WithCtor", 2, 8);
// Simple has a constructor that implicitly initializes 'w'. Test
// that a visitor that skips implicit code skips that initialization.
// Note: Clang lazily instantiates implicit declarations, so we need
// to use them in order to force them to appear in the AST.
EXPECT_TRUE(Visitor.runOver(
"struct WithCtor { WithCtor(); }; \n"
"struct Simple { WithCtor w; }; \n"
"int main() { Simple s; }\n"));
}
class DeclRefExprVisitor : public ExpectedLocationVisitor<DeclRefExprVisitor> {
public:
bool VisitDeclRefExpr(DeclRefExpr *Reference) {
Match(Reference->getNameInfo().getAsString(), Reference->getLocation());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsBaseClassTemplateArguments) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 2, 3);
EXPECT_TRUE(Visitor.runOver(
"void x(); template <void (*T)()> class X {};\nX<x> y;"));
}
TEST(RecursiveASTVisitor, VisitsCXXForRangeStmtRange) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 2, 25);
Visitor.ExpectMatch("x", 2, 30);
EXPECT_TRUE(Visitor.runOver(
"int x[5];\n"
"void f() { for (int i : x) { x[0] = 1; } }",
DeclRefExprVisitor::Lang_CXX11));
}
TEST(RecursiveASTVisitor, VisitsCallExpr) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 1, 22);
EXPECT_TRUE(Visitor.runOver(
"void x(); void y() { x(); }"));
}
/* FIXME: According to Richard Smith this is a bug in the AST.
TEST(RecursiveASTVisitor, VisitsBaseClassTemplateArgumentsInInstantiation) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 3, 43);
EXPECT_TRUE(Visitor.runOver(
"template <typename T> void x();\n"
"template <void (*T)()> class X {};\n"
"template <typename T> class Y : public X< x<T> > {};\n"
"Y<int> y;"));
}
*/
TEST(RecursiveASTVisitor, VisitsExtension) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("s", 1, 24);
EXPECT_TRUE(Visitor.runOver(
"int s = __extension__ (s);\n"));
}
TEST(RecursiveASTVisitor, VisitsCopyExprOfBlockDeclCapture) {
DeclRefExprVisitor Visitor;
Visitor.ExpectMatch("x", 3, 24);
EXPECT_TRUE(Visitor.runOver("void f(int(^)(int)); \n"
"void g() { \n"
" f([&](int x){ return x; }); \n"
"}",
DeclRefExprVisitor::Lang_OBJCXX11));
}
} // end anonymous namespace

unittests/Tooling/RecursiveASTVisitorTestTypeLocVisitor.cpp

  • This file was added.
//===- unittest/Tooling/RecursiveASTVisitorTestTypeLocVisitor.cpp ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
#include <stack>
using namespace clang;
namespace {
class TypeLocVisitor : public ExpectedLocationVisitor<TypeLocVisitor> {
public:
bool VisitTypeLoc(TypeLoc TypeLocation) {
Match(TypeLocation.getType().getAsString(), TypeLocation.getBeginLoc());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsBaseClassDeclarations) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 1, 30);
EXPECT_TRUE(Visitor.runOver("class X {}; class Y : public X {};"));
}
TEST(RecursiveASTVisitor, VisitsCXXBaseSpecifiersOfForwardDeclaredClass) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 3, 18);
EXPECT_TRUE(Visitor.runOver(
"class Y;\n"
"class X {};\n"
"class Y : public X {};"));
}
TEST(RecursiveASTVisitor, VisitsCXXBaseSpecifiersWithIncompleteInnerClass) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 2, 18);
EXPECT_TRUE(Visitor.runOver(
"class X {};\n"
"class Y : public X { class Z; };"));
}
TEST(RecursiveASTVisitor, VisitsCXXBaseSpecifiersOfSelfReferentialType) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("X<class Y>", 2, 18);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> class X {};\n"
"class Y : public X<Y> {};"));
}
TEST(RecursiveASTVisitor, VisitsClassTemplateTypeParmDefaultArgument) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("class X", 2, 23);
EXPECT_TRUE(Visitor.runOver(
"class X;\n"
"template<typename T = X> class Y;\n"
"template<typename T> class Y {};\n"));
}
TEST(RecursiveASTVisitor, VisitsCompoundLiteralType) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("struct S", 1, 26);
EXPECT_TRUE(Visitor.runOver(
"int f() { return (struct S { int a; }){.a = 0}.a; }",
TypeLocVisitor::Lang_C));
}
TEST(RecursiveASTVisitor, VisitsObjCPropertyType) {
TypeLocVisitor Visitor;
Visitor.ExpectMatch("NSNumber", 2, 33);
EXPECT_TRUE(Visitor.runOver(
"@class NSNumber; \n"
"@interface A @property (retain) NSNumber *x; @end\n",
TypeLocVisitor::Lang_OBJC));
}
} // end anonymous namespace

unittests/Tooling/TestVisitor.h

Show First 20 Lines • Show All 225 Lines • ▼ Show 20 Lines struct ExpectedMatch {
bool Found; bool Found;
}; };
std::vector<MatchCandidate> DisallowedMatches; std::vector<MatchCandidate> DisallowedMatches;
std::vector<ExpectedMatch> ExpectedMatches; std::vector<ExpectedMatch> ExpectedMatches;
}; };
} }
#endif /* LLVM_CLANG_TEST_VISITOR_H */ #endif
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