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//===- unittest/Tooling/RecursiveASTVisitorTestTypeLocVisitor.cpp ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
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));
}
TEST(RecursiveASTVisitor, VisitInvalidType) {
TypeLocVisitor Visitor;
// FIXME: It would be nice to have information about subtypes of invalid type
//Visitor.ExpectMatch("typeof(struct F *) []", 1, 1);
// Even if the full type is invalid, it should still find sub types
//Visitor.ExpectMatch("struct F", 1, 19);
EXPECT_FALSE(Visitor.runOver(
"__typeof__(struct F*) var[invalid];\n",
TypeLocVisitor::Lang_C));
}
} // end anonymous namespace
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