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
| // RUN: %clang_cc1 -triple x86_64-pc-linux -std=c++11 -Wno-deprecated-declarations -ast-dump -ast-dump-filter Test %s | FileCheck --strict-whitespace %s
int TestLocation
__attribute__((unused));
// CHECK: VarDecl{{.*}}TestLocation
// CHECK-NEXT: UnusedAttr 0x{{[^ ]*}} <line:[[@LINE-2]]:16>
int TestIndent
__attribute__((unused));
// CHECK: {{^}}VarDecl{{.*TestIndent[^()]*$}}
// CHECK-NEXT: {{^}}`-UnusedAttr{{[^()]*$}}
void TestAttributedStmt() {
switch (1) {
case 1:
[[clang::fallthrough]];
case 2:
;
}
}
// CHECK: FunctionDecl{{.*}}TestAttributedStmt
// CHECK: AttributedStmt
// CHECK-NEXT: FallThroughAttr
// CHECK-NEXT: NullStmt
[[clang::warn_unused_result]] int TestCXX11DeclAttr();
// CHECK: FunctionDecl{{.*}}TestCXX11DeclAttr
// CHECK-NEXT: WarnUnusedResultAttr
int TestAlignedNull __attribute__((aligned));
// CHECK: VarDecl{{.*}}TestAlignedNull
// CHECK-NEXT: AlignedAttr {{.*}} aligned
// CHECK-NEXT: <<<NULL>>>
int TestAlignedExpr __attribute__((aligned(4)));
// CHECK: VarDecl{{.*}}TestAlignedExpr
// CHECK-NEXT: AlignedAttr {{.*}} aligned
// CHECK-NEXT: ConstantExpr
// CHECK-NEXT: IntegerLiteral
int TestEnum __attribute__((visibility("default")));
// CHECK: VarDecl{{.*}}TestEnum
// CHECK-NEXT: VisibilityAttr{{.*}} Default
class __attribute__((lockable)) Mutex {
} mu1, mu2;
int TestExpr __attribute__((guarded_by(mu1)));
// CHECK: VarDecl{{.*}}TestExpr
// CHECK-NEXT: GuardedByAttr
// CHECK-NEXT: DeclRefExpr{{.*}}mu1
class Mutex TestVariadicExpr __attribute__((acquired_after(mu1, mu2)));
// CHECK: VarDecl{{.*}}TestVariadicExpr
// CHECK: AcquiredAfterAttr
// CHECK-NEXT: DeclRefExpr{{.*}}mu1
// CHECK-NEXT: DeclRefExpr{{.*}}mu2
void function1(void *) {
int TestFunction __attribute__((cleanup(function1)));
}
// CHECK: VarDecl{{.*}}TestFunction
// CHECK-NEXT: CleanupAttr{{.*}} Function{{.*}}function1
void TestIdentifier(void *, int)
__attribute__((pointer_with_type_tag(ident1,1,2)));
// CHECK: FunctionDecl{{.*}}TestIdentifier
// CHECK: ArgumentWithTypeTagAttr{{.*}} pointer_with_type_tag ident1
void TestBool(void *, int)
__attribute__((pointer_with_type_tag(bool1,1,2)));
// CHECK: FunctionDecl{{.*}}TestBool
// CHECK: ArgumentWithTypeTagAttr{{.*}}pointer_with_type_tag bool1 1 2 IsPointer
void TestUnsigned(void *, int)
__attribute__((pointer_with_type_tag(unsigned1,1,2)));
// CHECK: FunctionDecl{{.*}}TestUnsigned
// CHECK: ArgumentWithTypeTagAttr{{.*}} pointer_with_type_tag unsigned1 1 2
void TestInt(void) __attribute__((constructor(123)));
// CHECK: FunctionDecl{{.*}}TestInt
// CHECK-NEXT: ConstructorAttr{{.*}} 123
static int TestString __attribute__((alias("alias1")));
// CHECK: VarDecl{{.*}}TestString
// CHECK-NEXT: AliasAttr{{.*}} "alias1"
extern struct s1 TestType
__attribute__((type_tag_for_datatype(ident1,int)));
// CHECK: VarDecl{{.*}}TestType
// CHECK-NEXT: TypeTagForDatatypeAttr{{.*}} int
void TestLabel() {
L: __attribute__((unused)) int i;
// CHECK: LabelStmt{{.*}}'L'
// CHECK: VarDecl{{.*}}i 'int'
// CHECK-NEXT: UnusedAttr{{.*}}
M: __attribute(()) int j;
// CHECK: LabelStmt {{.*}} 'M'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl {{.*}} j 'int'
N: __attribute(()) ;
// CHECK: LabelStmt {{.*}} 'N'
// CHECK-NEXT: NullStmt
}
namespace Test {
extern "C" int printf(const char *format, ...);
// CHECK: FunctionDecl{{.*}}printf
// CHECK-NEXT: ParmVarDecl{{.*}}format{{.*}}'const char *'
// CHECK-NEXT: FormatAttr{{.*}}Implicit printf 1 2
alignas(8) extern int x;
extern int x;
// CHECK: VarDecl{{.*}} x 'int'
// CHECK: VarDecl{{.*}} x 'int'
// CHECK-NEXT: AlignedAttr{{.*}} Inherited
}
int __attribute__((cdecl)) TestOne(void), TestTwo(void);
// CHECK: FunctionDecl{{.*}}TestOne{{.*}}__attribute__((cdecl))
// CHECK: FunctionDecl{{.*}}TestTwo{{.*}}__attribute__((cdecl))
void func() {
auto Test = []() __attribute__((no_thread_safety_analysis)) {};
// CHECK: CXXMethodDecl{{.*}}operator() 'void () const'
// CHECK: NoThreadSafetyAnalysisAttr
// Because GNU's noreturn applies to the function type, and this lambda does
// not have a capture list, the call operator and the function pointer
// conversion should both be noreturn, but the method should not contain a
// NoReturnAttr because the attribute applied to the type.
auto Test2 = []() __attribute__((noreturn)) { while(1); };
// CHECK: CXXMethodDecl{{.*}}operator() 'void () __attribute__((noreturn)) const'
// CHECK-NOT: NoReturnAttr
// CHECK: CXXConversionDecl{{.*}}operator void (*)() __attribute__((noreturn))
}
namespace PR20930 {
struct S {
struct { int Test __attribute__((deprecated)); };
// CHECK: FieldDecl{{.*}}Test 'int'
// CHECK-NEXT: DeprecatedAttr
};
void f() {
S s;
s.Test = 1;
// CHECK: IndirectFieldDecl{{.*}}Test 'int'
// CHECK: DeprecatedAttr
}
}
struct __attribute__((objc_bridge_related(NSParagraphStyle,,))) TestBridgedRef;
// CHECK: CXXRecordDecl{{.*}} struct TestBridgedRef
// CHECK-NEXT: ObjCBridgeRelatedAttr{{.*}} NSParagraphStyle
void TestExternalSourceSymbolAttr1()
__attribute__((external_source_symbol(language="Swift", defined_in="module", generated_declaration)));
// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr1
// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module" GeneratedDeclaration
void TestExternalSourceSymbolAttr2()
__attribute__((external_source_symbol(defined_in="module", language="Swift")));
// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr2
// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module"{{$}}
void TestExternalSourceSymbolAttr3()
__attribute__((external_source_symbol(generated_declaration, language="Objective-C++", defined_in="module")));
// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr3
// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Objective-C++" "module" GeneratedDeclaration
void TestExternalSourceSymbolAttr4()
__attribute__((external_source_symbol(defined_in="Some external file.cs", generated_declaration, language="C Sharp")));
// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr4
// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "C Sharp" "Some external file.cs" GeneratedDeclaration
void TestExternalSourceSymbolAttr5()
__attribute__((external_source_symbol(generated_declaration, defined_in="module", language="Swift")));
// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr5
// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module" GeneratedDeclaration
namespace TestNoEscape {
void noescapeFunc(int *p0, __attribute__((noescape)) int *p1) {}
// CHECK: `-FunctionDecl{{.*}} noescapeFunc 'void (int *, __attribute__((noescape)) int *)'
// CHECK-NEXT: ParmVarDecl
// CHECK-NEXT: ParmVarDecl
// CHECK-NEXT: NoEscapeAttr
}
namespace TestSuppress {
[[gsl::suppress("at-namespace")]];
// CHECK: NamespaceDecl{{.*}} TestSuppress
// CHECK-NEXT: EmptyDecl{{.*}}
// CHECK-NEXT: SuppressAttr{{.*}} at-namespace
[[gsl::suppress("on-decl")]]
void TestSuppressFunction();
// CHECK: FunctionDecl{{.*}} TestSuppressFunction
// CHECK-NEXT: SuppressAttr{{.*}} on-decl
void f() {
int *i;
[[gsl::suppress("on-stmt")]] {
// CHECK: AttributedStmt
// CHECK-NEXT: SuppressAttr{{.*}} on-stmt
// CHECK-NEXT: CompoundStmt
i = reinterpret_cast<int*>(7);
}
}
}
namespace TestLifetimeCategories {
class [[gsl::Owner(int)]] AOwner{};
// CHECK: CXXRecordDecl{{.*}} class AOwner
// CHECK: OwnerAttr {{.*}} int
class [[gsl::Pointer(int)]] APointer{};
// CHECK: CXXRecordDecl{{.*}} class APointer
// CHECK: PointerAttr {{.*}} int
class [[gsl::Pointer]] PointerWithoutArgument{};
// CHECK: CXXRecordDecl{{.*}} class PointerWithoutArgument
// CHECK: PointerAttr
class [[gsl::Owner]] OwnerWithoutArgument{};
// CHECK: CXXRecordDecl{{.*}} class OwnerWithoutArgument
// CHECK: OwnerAttr
} // namespace TestLifetimeCategories
// Verify the order of attributes in the Ast. It must reflect the order
// in the parsed source.
int mergeAttrTest() __attribute__((deprecated)) __attribute__((warn_unused_result));
int mergeAttrTest() __attribute__((annotate("test")));
int mergeAttrTest() __attribute__((unused,no_thread_safety_analysis));
// CHECK: FunctionDecl{{.*}} mergeAttrTest
// CHECK-NEXT: DeprecatedAttr
// CHECK-NEXT: WarnUnusedResultAttr
// CHECK: FunctionDecl{{.*}} mergeAttrTest
// CHECK-NEXT: DeprecatedAttr{{.*}} Inherited
// CHECK-NEXT: WarnUnusedResultAttr{{.*}} Inherited
// CHECK-NEXT: AnnotateAttr{{.*}}
// CHECK: FunctionDecl{{.*}} mergeAttrTest
// CHECK-NEXT: DeprecatedAttr{{.*}} Inherited
// CHECK-NEXT: WarnUnusedResultAttr{{.*}} Inherited
// CHECK-NEXT: AnnotateAttr{{.*}} Inherited
// CHECK-NEXT: UnusedAttr
// CHECK-NEXT: NoThreadSafetyAnalysisAttr
|