1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
| //===-- RenameAliasTest.cpp - unit tests for renaming alias ---------------===//
//
// 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 "ClangRenameTest.h"
namespace clang {
namespace clang_rename {
namespace test {
namespace {
class RenameAliasTest : public ClangRenameTest {
public:
RenameAliasTest() {
AppendToHeader(R"(
#define MACRO(x) x
namespace some_ns {
class A {
public:
void foo() {}
struct Nested {
enum NestedEnum {
E1, E2,
};
};
};
} // namespace some_ns
namespace a {
typedef some_ns::A TA;
using UA = some_ns::A;
} // namespace a
namespace b {
typedef some_ns::A TA;
using UA = some_ns::A;
}
template <typename T> class ptr {};
template <typename T>
using TPtr = ptr<int>;
)");
}
};
INSTANTIATE_TEST_CASE_P(
RenameAliasTests, RenameAliasTest,
testing::ValuesIn(std::vector<Case>({
// basic functions
{"void f(a::TA a1) {}", "void f(b::TB a1) {}", "a::TA", "b::TB"},
{"void f(a::UA a1) {}", "void f(b::UB a1) {}", "a::UA", "b::UB"},
{"void f(a::TA* a1) {}", "void f(b::TB* a1) {}", "a::TA", "b::TB"},
{"void f(a::TA** a1) {}", "void f(b::TB** a1) {}", "a::TA", "b::TB"},
{"a::TA f() { return a::TA(); }", "b::TB f() { return b::TB(); }",
"a::TA", "b::TB"},
{"a::TA f() { return a::UA(); }", "b::TB f() { return a::UA(); }",
"a::TA", "b::TB"},
{"a::TA f() { return a::UA(); }", "a::TA f() { return b::UB(); }",
"a::UA", "b::UB"},
{"void f() { a::TA a; }", "void f() { b::TB a; }", "a::TA", "b::TB"},
{"void f(const a::TA& a1) {}", "void f(const b::TB& a1) {}", "a::TA",
"b::TB"},
{"void f(const a::UA& a1) {}", "void f(const b::UB& a1) {}", "a::UA",
"b::UB"},
{"void f(const a::TA* a1) {}", "void f(const b::TB* a1) {}", "a::TA",
"b::TB"},
{"namespace a { void f(TA a1) {} }",
"namespace a { void f(b::TB a1) {} }", "a::TA", "b::TB"},
{"void f(MACRO(a::TA) a1) {}", "void f(MACRO(b::TB) a1) {}", "a::TA",
"b::TB"},
{"void f(MACRO(a::TA a1)) {}", "void f(MACRO(b::TB a1)) {}", "a::TA",
"b::TB"},
// shorten/add namespace.
{"namespace b { void f(a::UA a1) {} }",
"namespace b {void f(UB a1) {} }", "a::UA", "b::UB"},
{"namespace a { void f(UA a1) {} }",
"namespace a {void f(b::UB a1) {} }", "a::UA", "b::UB"},
// use namespace and typedefs
{"struct S { using T = a::TA; T a_; };",
"struct S { using T = b::TB; T a_; };", "a::TA", "b::TB"},
{"using T = a::TA; T gA;", "using T = b::TB; T gA;", "a::TA", "b::TB"},
{"using T = a::UA; T gA;", "using T = b::UB; T gA;", "a::UA", "b::UB"},
{"typedef a::TA T; T gA;", "typedef b::TB T; T gA;", "a::TA", "b::TB"},
{"typedef a::UA T; T gA;", "typedef b::UB T; T gA;", "a::UA", "b::UB"},
{"typedef MACRO(a::TA) T; T gA;", "typedef MACRO(b::TB) T; T gA;",
"a::TA", "b::TB"},
// types in using shadows.
{"using a::TA; TA gA;", "using b::TB; b::TB gA;", "a::TA", "b::TB"},
{"using a::UA; UA gA;", "using b::UB; b::UB gA;", "a::UA", "b::UB"},
// struct members and other oddities
{"struct S : public a::TA {};", "struct S : public b::TB {};", "a::TA",
"b::TB"},
{"struct S : public a::UA {};", "struct S : public b::UB {};", "a::UA",
"b::UB"},
{"struct F { void f(a::TA a1) {} };",
"struct F { void f(b::TB a1) {} };", "a::TA", "b::TB"},
{"struct F { a::TA a_; };", "struct F { b::TB a_; };", "a::TA",
"b::TB"},
{"struct F { ptr<a::TA> a_; };", "struct F { ptr<b::TB> a_; };",
"a::TA", "b::TB"},
{"struct F { ptr<a::UA> a_; };", "struct F { ptr<b::UB> a_; };",
"a::UA", "b::UB"},
// types in nested name specifiers
{"void f() { a::TA::Nested ne; }", "void f() { b::TB::Nested ne; }",
"a::TA", "b::TB"},
{"void f() { a::UA::Nested ne; }", "void f() { b::UB::Nested ne; }",
"a::UA", "b::UB"},
{"void f() { a::TA::Nested::NestedEnum e; }",
"void f() { b::TB::Nested::NestedEnum e; }", "a::TA", "b::TB"},
{"void f() { auto e = a::TA::Nested::NestedEnum::E1; }",
"void f() { auto e = b::TB::Nested::NestedEnum::E1; }", "a::TA",
"b::TB"},
{"void f() { auto e = a::TA::Nested::E1; }",
"void f() { auto e = b::TB::Nested::E1; }", "a::TA", "b::TB"},
// templates
{"template <typename T> struct Foo { T t; }; void f() { Foo<a::TA> "
"foo; }",
"template <typename T> struct Foo { T t; }; void f() { Foo<b::TB> "
"foo; }",
"a::TA", "b::TB"},
{"template <typename T> struct Foo { a::TA a; };",
"template <typename T> struct Foo { b::TB a; };", "a::TA", "b::TB"},
{"template <typename T> void f(T t) {} void g() { f<a::TA>(a::TA()); }",
"template <typename T> void f(T t) {} void g() { f<b::TB>(b::TB()); }",
"a::TA", "b::TB"},
{"template <typename T> void f(T t) {} void g() { f<a::UA>(a::UA()); }",
"template <typename T> void f(T t) {} void g() { f<b::UB>(b::UB()); }",
"a::UA", "b::UB"},
{"template <typename T> int f() { return 1; } template <> int "
"f<a::TA>() { return 2; } int g() { return f<a::TA>(); }",
"template <typename T> int f() { return 1; } template <> int "
"f<b::TB>() { return 2; } int g() { return f<b::TB>(); }",
"a::TA", "b::TB"},
{"struct Foo { template <typename T> T foo(); }; void g() { Foo f; "
"auto a = f.template foo<a::TA>(); }",
"struct Foo { template <typename T> T foo(); }; void g() { Foo f; "
"auto a = f.template foo<b::TB>(); }",
"a::TA", "b::TB"},
{"struct Foo { template <typename T> T foo(); }; void g() { Foo f; "
"auto a = f.template foo<a::UA>(); }",
"struct Foo { template <typename T> T foo(); }; void g() { Foo f; "
"auto a = f.template foo<b::UB>(); }",
"a::UA", "b::UB"},
// The following two templates are distilled from regressions found in
// unique_ptr<> and type_traits.h
{"template <typename T> struct outer { typedef T type; type Baz(); }; "
"outer<a::TA> g_A;",
"template <typename T> struct outer { typedef T type; type Baz(); }; "
"outer<b::TB> g_A;",
"a::TA", "b::TB"},
{"template <typename T> struct nested { typedef T type; }; template "
"<typename T> struct outer { typename nested<T>::type Foo(); }; "
"outer<a::TA> g_A;",
"template <typename T> struct nested { typedef T type; }; template "
"<typename T> struct outer { typename nested<T>::type Foo(); }; "
"outer<b::TB> g_A;",
"a::TA", "b::TB"},
// macros
{"#define FOO(T, t) T t\nvoid f() { FOO(a::TA, a1); FOO(a::TA, a2); }",
"#define FOO(T, t) T t\nvoid f() { FOO(b::TB, a1); FOO(b::TB, a2); }",
"a::TA", "b::TB"},
{"#define FOO(n) a::TA n\nvoid f() { FOO(a1); FOO(a2); }",
"#define FOO(n) b::TB n\nvoid f() { FOO(a1); FOO(a2); }", "a::TA",
"b::TB"},
{"#define FOO(n) a::UA n\nvoid f() { FOO(a1); FOO(a2); }",
"#define FOO(n) b::UB n\nvoid f() { FOO(a1); FOO(a2); }", "a::UA",
"b::UB"},
// Pointer to member functions
{"auto gA = &a::TA::foo;", "auto gA = &b::TB::foo;", "a::TA", "b::TB"},
{"using a::TA; auto gA = &TA::foo;",
"using b::TB; auto gA = &b::TB::foo;", "a::TA", "b::TB"},
{"typedef a::TA T; auto gA = &T::foo;",
"typedef b::TB T; auto gA = &T::foo;", "a::TA", "b::TB"},
{"auto gA = &MACRO(a::TA)::foo;", "auto gA = &MACRO(b::TB)::foo;",
"a::TA", "b::TB"},
// templated using alias.
{"void f(TPtr<int> p) {}", "void f(NewTPtr<int> p) {}", "TPtr",
"NewTPtr"},
{"void f(::TPtr<int> p) {}", "void f(::NewTPtr<int> p) {}", "TPtr",
"NewTPtr"},
})), );
TEST_P(RenameAliasTest, RenameAlias) {
auto Param = GetParam();
assert(!Param.OldName.empty());
assert(!Param.NewName.empty());
std::string Actual =
runClangRenameOnCode(Param.Before, Param.OldName, Param.NewName);
CompareSnippets(Param.After, Actual);
}
TEST_F(RenameAliasTest, RenameTypedefDefinitions) {
std::string Before = R"(
class X {};
typedef X TOld;
)";
std::string Expected = R"(
class X {};
typedef X TNew;
)";
std::string After = runClangRenameOnCode(Before, "TOld", "TNew");
CompareSnippets(Expected, After);
}
TEST_F(RenameAliasTest, RenameUsingAliasDefinitions) {
std::string Before = R"(
class X {};
using UOld = X;
)";
std::string Expected = R"(
class X {};
using UNew = X;
)";
std::string After = runClangRenameOnCode(Before, "UOld", "UNew");
CompareSnippets(Expected, After);
}
TEST_F(RenameAliasTest, RenameTemplatedAliasDefinitions) {
std::string Before = R"(
template <typename T>
class X { T t; };
template <typename T>
using Old = X<T>;
)";
std::string Expected = R"(
template <typename T>
class X { T t; };
template <typename T>
using New = X<T>;
)";
std::string After = runClangRenameOnCode(Before, "Old", "New");
CompareSnippets(Expected, After);
}
TEST_F(RenameAliasTest, RenameAliasesInNamespaces) {
std::string Before = R"(
namespace x { class X {}; }
namespace ns {
using UOld = x::X;
}
)";
std::string Expected = R"(
namespace x { class X {}; }
namespace ns {
using UNew = x::X;
}
)";
std::string After = runClangRenameOnCode(Before, "ns::UOld", "ns::UNew");
CompareSnippets(Expected, After);
}
TEST_F(RenameAliasTest, AliasesInMacros) {
std::string Before = R"(
namespace x { class Old {}; }
namespace ns {
#define REF(alias) alias alias_var;
#define ALIAS(old) \
using old##Alias = x::old; \
REF(old##Alias);
ALIAS(Old);
OldAlias old_alias;
}
)";
std::string Expected = R"(
namespace x { class Old {}; }
namespace ns {
#define REF(alias) alias alias_var;
#define ALIAS(old) \
using old##Alias = x::old; \
REF(old##Alias);
ALIAS(Old);
NewAlias old_alias;
}
)";
std::string After =
runClangRenameOnCode(Before, "ns::OldAlias", "ns::NewAlias");
CompareSnippets(Expected, After);
}
} // anonymous namespace
} // namespace test
} // namespace clang_rename
} // namesdpace clang
|