1//===- CallbacksBinaryOperator.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 "CallbacksCommon.h"
10
11TEST(RecursiveASTVisitor, StmtCallbacks_TraverseBinaryOperator) {
12 class RecordingVisitor : public RecordingVisitorBase<RecordingVisitor> {
13 public:
14 RecordingVisitor(ShouldTraversePostOrder ShouldTraversePostOrderValue)
15 : RecordingVisitorBase(ShouldTraversePostOrderValue) {}
16
17 bool TraverseBinaryOperator(BinaryOperator *BO) {
18 recordCallback(__func__, BO, [&]() {
19 RecordingVisitorBase::TraverseBinaryOperator(BO);
20 });
21 return true;
22 }
23
24 bool WalkUpFromStmt(Stmt *S) {
25 recordCallback(CallbackName: __func__, S,
26 CallDefaultFn: [&]() { RecordingVisitorBase::WalkUpFromStmt(S); });
27 return true;
28 }
29 };
30
31 StringRef Code = R"cpp(
32void test() {
33 1;
34 2 + 3;
35 4;
36}
37)cpp";
38
39 EXPECT_TRUE(visitorCallbackLogEqual(
40 RecordingVisitor(ShouldTraversePostOrder::No), Code,
41 R"txt(
42WalkUpFromStmt CompoundStmt
43WalkUpFromStmt IntegerLiteral(1)
44TraverseBinaryOperator BinaryOperator(+)
45 WalkUpFromStmt BinaryOperator(+)
46 WalkUpFromStmt IntegerLiteral(2)
47 WalkUpFromStmt IntegerLiteral(3)
48WalkUpFromStmt IntegerLiteral(4)
49)txt"));
50
51 EXPECT_TRUE(visitorCallbackLogEqual(
52 RecordingVisitor(ShouldTraversePostOrder::Yes), Code,
53 R"txt(
54WalkUpFromStmt IntegerLiteral(1)
55TraverseBinaryOperator BinaryOperator(+)
56 WalkUpFromStmt IntegerLiteral(2)
57 WalkUpFromStmt IntegerLiteral(3)
58 WalkUpFromStmt BinaryOperator(+)
59WalkUpFromStmt IntegerLiteral(4)
60WalkUpFromStmt CompoundStmt
61)txt"));
62}
63
64TEST(RecursiveASTVisitor,
65 StmtCallbacks_TraverseBinaryOperator_WalkUpFromBinaryOperator) {
66 class RecordingVisitor : public RecordingVisitorBase<RecordingVisitor> {
67 public:
68 RecordingVisitor(ShouldTraversePostOrder ShouldTraversePostOrderValue)
69 : RecordingVisitorBase(ShouldTraversePostOrderValue) {}
70
71 bool TraverseBinaryOperator(BinaryOperator *BO) {
72 recordCallback(__func__, BO, [&]() {
73 RecordingVisitorBase::TraverseBinaryOperator(BO);
74 });
75 return true;
76 }
77
78 bool WalkUpFromStmt(Stmt *S) {
79 recordCallback(CallbackName: __func__, S,
80 CallDefaultFn: [&]() { RecordingVisitorBase::WalkUpFromStmt(S); });
81 return true;
82 }
83
84 bool WalkUpFromExpr(Expr *E) {
85 recordCallback(__func__, E,
86 [&]() { RecordingVisitorBase::WalkUpFromExpr(E); });
87 return true;
88 }
89
90 bool WalkUpFromBinaryOperator(BinaryOperator *BO) {
91 recordCallback(__func__, BO, [&]() {
92 RecordingVisitorBase::WalkUpFromBinaryOperator(BO);
93 });
94 return true;
95 }
96 };
97
98 StringRef Code = R"cpp(
99void test() {
100 1;
101 2 + 3;
102 4;
103}
104)cpp";
105
106 EXPECT_TRUE(visitorCallbackLogEqual(
107 RecordingVisitor(ShouldTraversePostOrder::No), Code,
108 R"txt(
109WalkUpFromStmt CompoundStmt
110WalkUpFromExpr IntegerLiteral(1)
111 WalkUpFromStmt IntegerLiteral(1)
112TraverseBinaryOperator BinaryOperator(+)
113 WalkUpFromBinaryOperator BinaryOperator(+)
114 WalkUpFromExpr BinaryOperator(+)
115 WalkUpFromStmt BinaryOperator(+)
116 WalkUpFromExpr IntegerLiteral(2)
117 WalkUpFromStmt IntegerLiteral(2)
118 WalkUpFromExpr IntegerLiteral(3)
119 WalkUpFromStmt IntegerLiteral(3)
120WalkUpFromExpr IntegerLiteral(4)
121 WalkUpFromStmt IntegerLiteral(4)
122)txt"));
123
124 EXPECT_TRUE(visitorCallbackLogEqual(
125 RecordingVisitor(ShouldTraversePostOrder::Yes), Code,
126 R"txt(
127WalkUpFromExpr IntegerLiteral(1)
128 WalkUpFromStmt IntegerLiteral(1)
129TraverseBinaryOperator BinaryOperator(+)
130 WalkUpFromExpr IntegerLiteral(2)
131 WalkUpFromStmt IntegerLiteral(2)
132 WalkUpFromExpr IntegerLiteral(3)
133 WalkUpFromStmt IntegerLiteral(3)
134 WalkUpFromBinaryOperator BinaryOperator(+)
135 WalkUpFromExpr BinaryOperator(+)
136 WalkUpFromStmt BinaryOperator(+)
137WalkUpFromExpr IntegerLiteral(4)
138 WalkUpFromStmt IntegerLiteral(4)
139WalkUpFromStmt CompoundStmt
140)txt"));
141}
142
143TEST(RecursiveASTVisitor, StmtCallbacks_WalkUpFromBinaryOperator) {
144 class RecordingVisitor : public RecordingVisitorBase<RecordingVisitor> {
145 public:
146 RecordingVisitor(ShouldTraversePostOrder ShouldTraversePostOrderValue)
147 : RecordingVisitorBase(ShouldTraversePostOrderValue) {}
148
149 bool WalkUpFromStmt(Stmt *S) {
150 recordCallback(CallbackName: __func__, S,
151 CallDefaultFn: [&]() { RecordingVisitorBase::WalkUpFromStmt(S); });
152 return true;
153 }
154
155 bool WalkUpFromExpr(Expr *E) {
156 recordCallback(__func__, E,
157 [&]() { RecordingVisitorBase::WalkUpFromExpr(E); });
158 return true;
159 }
160
161 bool WalkUpFromBinaryOperator(BinaryOperator *BO) {
162 recordCallback(__func__, BO, [&]() {
163 RecordingVisitorBase::WalkUpFromBinaryOperator(BO);
164 });
165 return true;
166 }
167 };
168
169 StringRef Code = R"cpp(
170void test() {
171 1;
172 2 + 3;
173 4;
174}
175)cpp";
176
177 EXPECT_TRUE(visitorCallbackLogEqual(
178 RecordingVisitor(ShouldTraversePostOrder::No), Code,
179 R"txt(
180WalkUpFromStmt CompoundStmt
181WalkUpFromExpr IntegerLiteral(1)
182 WalkUpFromStmt IntegerLiteral(1)
183WalkUpFromBinaryOperator BinaryOperator(+)
184 WalkUpFromExpr BinaryOperator(+)
185 WalkUpFromStmt BinaryOperator(+)
186WalkUpFromExpr IntegerLiteral(2)
187 WalkUpFromStmt IntegerLiteral(2)
188WalkUpFromExpr IntegerLiteral(3)
189 WalkUpFromStmt IntegerLiteral(3)
190WalkUpFromExpr IntegerLiteral(4)
191 WalkUpFromStmt IntegerLiteral(4)
192)txt"));
193
194 EXPECT_TRUE(visitorCallbackLogEqual(
195 RecordingVisitor(ShouldTraversePostOrder::Yes), Code,
196 R"txt(
197WalkUpFromExpr IntegerLiteral(1)
198 WalkUpFromStmt IntegerLiteral(1)
199WalkUpFromExpr IntegerLiteral(2)
200 WalkUpFromStmt IntegerLiteral(2)
201WalkUpFromExpr IntegerLiteral(3)
202 WalkUpFromStmt IntegerLiteral(3)
203WalkUpFromBinaryOperator BinaryOperator(+)
204 WalkUpFromExpr BinaryOperator(+)
205 WalkUpFromStmt BinaryOperator(+)
206WalkUpFromExpr IntegerLiteral(4)
207 WalkUpFromStmt IntegerLiteral(4)
208WalkUpFromStmt CompoundStmt
209)txt"));
210}
211

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