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| //===- unittest/Tooling/RecursiveASTVisitorTests/InitListExprPreOrder.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 {
// Check to ensure that InitListExpr is visited twice, once each for the
// syntactic and semantic form.
class InitListExprPreOrderVisitor
: public ExpectedLocationVisitor<InitListExprPreOrderVisitor> {
public:
InitListExprPreOrderVisitor(bool VisitImplicitCode)
: VisitImplicitCode(VisitImplicitCode) {}
bool shouldVisitImplicitCode() const { return VisitImplicitCode; }
bool VisitInitListExpr(InitListExpr *ILE) {
Match(ILE->isSemanticForm() ? "semantic" : "syntactic", ILE->getBeginLoc());
return true;
}
private:
bool VisitImplicitCode;
};
TEST(RecursiveASTVisitor, InitListExprIsPreOrderVisitedTwice) {
InitListExprPreOrderVisitor Visitor(/*VisitImplicitCode=*/true);
Visitor.ExpectMatch("syntactic", 2, 21);
Visitor.ExpectMatch("semantic", 2, 21);
EXPECT_TRUE(Visitor.runOver("struct S { int x; };\n"
"static struct S s = {.x = 0};\n",
InitListExprPreOrderVisitor::Lang_C));
}
TEST(RecursiveASTVisitor, InitListExprVisitedOnceWhenNoImplicit) {
InitListExprPreOrderVisitor Visitor(/*VisitImplicitCode=*/false);
Visitor.ExpectMatch("syntactic", 2, 21);
Visitor.DisallowMatch("semantic", 2, 21);
EXPECT_TRUE(Visitor.runOver("struct S { int x; };\n"
"static struct S s = {.x = 0};\n",
InitListExprPreOrderVisitor::Lang_C));
}
} // end anonymous namespace
|