1//===- unittest/Tooling/RecursiveASTVisitorTests/Attr.cpp -----------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "TestVisitor.h"
10
11using namespace clang;
12
13namespace {
14
15// Check to ensure that attributes and expressions within them are being
16// visited.
17class AttrVisitor : public ExpectedLocationVisitor<AttrVisitor> {
18public:
19 bool VisitMemberExpr(MemberExpr *ME) {
20 Match(Name: ME->getMemberDecl()->getNameAsString(), Location: ME->getBeginLoc());
21 return true;
22 }
23 bool VisitAttr(Attr *A) {
24 Match(Name: "Attr", Location: A->getLocation());
25 return true;
26 }
27 bool VisitGuardedByAttr(GuardedByAttr *A) {
28 Match(Name: "guarded_by", Location: A->getLocation());
29 return true;
30 }
31};
32
33
34TEST(RecursiveASTVisitor, AttributesAreVisited) {
35 AttrVisitor Visitor;
36 Visitor.ExpectMatch(Match: "Attr", Line: 4, Column: 24);
37 Visitor.ExpectMatch(Match: "guarded_by", Line: 4, Column: 24);
38 Visitor.ExpectMatch(Match: "mu1", Line: 4, Column: 35);
39 Visitor.ExpectMatch(Match: "Attr", Line: 5, Column: 29);
40 Visitor.ExpectMatch(Match: "mu1", Line: 5, Column: 54);
41 Visitor.ExpectMatch(Match: "mu2", Line: 5, Column: 59);
42 EXPECT_TRUE(Visitor.runOver(
43 "class Foo {\n"
44 " int mu1;\n"
45 " int mu2;\n"
46 " int a __attribute__((guarded_by(mu1)));\n"
47 " void bar() __attribute__((exclusive_locks_required(mu1, mu2)));\n"
48 "};\n"));
49}
50
51} // end anonymous namespace
52

source code of clang/unittests/Tooling/RecursiveASTVisitorTests/Attr.cpp