52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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//===- unittest/Tooling/RecursiveASTVisitorTests/Attr.cpp -----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "TestVisitor.h"
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using namespace clang;
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namespace {
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// Check to ensure that attributes and expressions within them are being
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// visited.
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class AttrVisitor : public ExpectedLocationVisitor<AttrVisitor> {
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public:
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bool VisitMemberExpr(MemberExpr *ME) {
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Match(ME->getMemberDecl()->getNameAsString(), ME->getBeginLoc());
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return true;
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}
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bool VisitAttr(Attr *A) {
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Match("Attr", A->getLocation());
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return true;
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}
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bool VisitGuardedByAttr(GuardedByAttr *A) {
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Match("guarded_by", A->getLocation());
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return true;
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}
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};
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TEST(RecursiveASTVisitor, AttributesAreVisited) {
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AttrVisitor Visitor;
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Visitor.ExpectMatch("Attr", 4, 24);
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Visitor.ExpectMatch("guarded_by", 4, 24);
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Visitor.ExpectMatch("mu1", 4, 35);
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Visitor.ExpectMatch("Attr", 5, 29);
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Visitor.ExpectMatch("mu1", 5, 54);
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Visitor.ExpectMatch("mu2", 5, 59);
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EXPECT_TRUE(Visitor.runOver(
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"class Foo {\n"
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" int mu1;\n"
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" int mu2;\n"
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" int a __attribute__((guarded_by(mu1)));\n"
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" void bar() __attribute__((exclusive_locks_required(mu1, mu2)));\n"
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"};\n"));
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}
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} // end anonymous namespace
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