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13 | #ifndef LLVM_CLANG_AST_ATTR_H |
14 | #define LLVM_CLANG_AST_ATTR_H |
15 | |
16 | #include "clang/AST/ASTContextAllocate.h" |
17 | #include "clang/AST/AttrIterator.h" |
18 | #include "clang/AST/Decl.h" |
19 | #include "clang/AST/Expr.h" |
20 | #include "clang/AST/Type.h" |
21 | #include "clang/Basic/AttrKinds.h" |
22 | #include "clang/Basic/LLVM.h" |
23 | #include "clang/Basic/OpenMPKinds.h" |
24 | #include "clang/Basic/Sanitizers.h" |
25 | #include "clang/Basic/SourceLocation.h" |
26 | #include "llvm/ADT/StringSwitch.h" |
27 | #include "llvm/Support/ErrorHandling.h" |
28 | #include "llvm/Support/VersionTuple.h" |
29 | #include "llvm/Support/raw_ostream.h" |
30 | #include <algorithm> |
31 | #include <cassert> |
32 | |
33 | namespace clang { |
34 | class ASTContext; |
35 | class IdentifierInfo; |
36 | class ObjCInterfaceDecl; |
37 | class Expr; |
38 | class QualType; |
39 | class FunctionDecl; |
40 | class TypeSourceInfo; |
41 | |
42 | |
43 | class Attr { |
44 | private: |
45 | SourceRange Range; |
46 | unsigned AttrKind : 16; |
47 | |
48 | protected: |
49 | |
50 | |
51 | unsigned SpellingListIndex : 4; |
52 | unsigned Inherited : 1; |
53 | unsigned IsPackExpansion : 1; |
54 | unsigned Implicit : 1; |
55 | |
56 | |
57 | unsigned IsLateParsed : 1; |
58 | unsigned InheritEvenIfAlreadyPresent : 1; |
59 | |
60 | void *operator new(size_t bytes) noexcept { |
61 | llvm_unreachable("Attrs cannot be allocated with regular 'new'."); |
62 | } |
63 | void operator delete(void *data) noexcept { |
64 | llvm_unreachable("Attrs cannot be released with regular 'delete'."); |
65 | } |
66 | |
67 | public: |
68 | |
69 | void *operator new(size_t Bytes, ASTContext &C, |
70 | size_t Alignment = 8) noexcept { |
71 | return ::operator new(Bytes, C, Alignment); |
72 | } |
73 | void operator delete(void *Ptr, ASTContext &C, size_t Alignment) noexcept { |
74 | return ::operator delete(Ptr, C, Alignment); |
75 | } |
76 | |
77 | protected: |
78 | Attr(attr::Kind AK, SourceRange R, unsigned SpellingListIndex, |
79 | bool IsLateParsed) |
80 | : Range(R), AttrKind(AK), SpellingListIndex(SpellingListIndex), |
81 | Inherited(false), IsPackExpansion(false), Implicit(false), |
82 | IsLateParsed(IsLateParsed), InheritEvenIfAlreadyPresent(false) {} |
83 | |
84 | public: |
85 | |
86 | attr::Kind getKind() const { |
87 | return static_cast<attr::Kind>(AttrKind); |
88 | } |
89 | |
90 | unsigned getSpellingListIndex() const { return SpellingListIndex; } |
91 | const char *getSpelling() const; |
92 | |
93 | SourceLocation getLocation() const { return Range.getBegin(); } |
94 | SourceRange getRange() const { return Range; } |
95 | void setRange(SourceRange R) { Range = R; } |
96 | |
97 | bool isInherited() const { return Inherited; } |
98 | |
99 | |
100 | |
101 | bool isImplicit() const { return Implicit; } |
102 | void setImplicit(bool I) { Implicit = I; } |
103 | |
104 | void setPackExpansion(bool PE) { IsPackExpansion = PE; } |
105 | bool isPackExpansion() const { return IsPackExpansion; } |
106 | |
107 | |
108 | Attr *clone(ASTContext &C) const; |
109 | |
110 | bool isLateParsed() const { return IsLateParsed; } |
111 | |
112 | |
113 | void printPretty(raw_ostream &OS, const PrintingPolicy &Policy) const; |
114 | }; |
115 | |
116 | class TypeAttr : public Attr { |
117 | protected: |
118 | TypeAttr(attr::Kind AK, SourceRange R, unsigned SpellingListIndex, |
119 | bool IsLateParsed) |
120 | : Attr(AK, R, SpellingListIndex, IsLateParsed) {} |
121 | |
122 | public: |
123 | static bool classof(const Attr *A) { |
124 | return A->getKind() >= attr::FirstTypeAttr && |
125 | A->getKind() <= attr::LastTypeAttr; |
126 | } |
127 | }; |
128 | |
129 | class StmtAttr : public Attr { |
130 | protected: |
131 | StmtAttr(attr::Kind AK, SourceRange R, unsigned SpellingListIndex, |
132 | bool IsLateParsed) |
133 | : Attr(AK, R, SpellingListIndex, IsLateParsed) {} |
134 | |
135 | public: |
136 | static bool classof(const Attr *A) { |
137 | return A->getKind() >= attr::FirstStmtAttr && |
138 | A->getKind() <= attr::LastStmtAttr; |
139 | } |
140 | }; |
141 | |
142 | class InheritableAttr : public Attr { |
143 | protected: |
144 | InheritableAttr(attr::Kind AK, SourceRange R, unsigned SpellingListIndex, |
145 | bool IsLateParsed, bool InheritEvenIfAlreadyPresent) |
146 | : Attr(AK, R, SpellingListIndex, IsLateParsed) { |
147 | this->InheritEvenIfAlreadyPresent = InheritEvenIfAlreadyPresent; |
148 | } |
149 | |
150 | public: |
151 | void setInherited(bool I) { Inherited = I; } |
152 | |
153 | |
154 | |
155 | bool shouldInheritEvenIfAlreadyPresent() const { |
156 | return InheritEvenIfAlreadyPresent; |
157 | } |
158 | |
159 | |
160 | static bool classof(const Attr *A) { |
161 | return A->getKind() >= attr::FirstInheritableAttr && |
162 | A->getKind() <= attr::LastInheritableAttr; |
163 | } |
164 | }; |
165 | |
166 | class InheritableParamAttr : public InheritableAttr { |
167 | protected: |
168 | InheritableParamAttr(attr::Kind AK, SourceRange R, unsigned SpellingListIndex, |
169 | bool IsLateParsed, bool InheritEvenIfAlreadyPresent) |
170 | : InheritableAttr(AK, R, SpellingListIndex, IsLateParsed, |
171 | InheritEvenIfAlreadyPresent) {} |
172 | |
173 | public: |
174 | |
175 | static bool classof(const Attr *A) { |
176 | return A->getKind() >= attr::FirstInheritableParamAttr && |
177 | A->getKind() <= attr::LastInheritableParamAttr; |
178 | } |
179 | }; |
180 | |
181 | |
182 | |
183 | class ParameterABIAttr : public InheritableParamAttr { |
184 | protected: |
185 | ParameterABIAttr(attr::Kind AK, SourceRange R, |
186 | unsigned SpellingListIndex, bool IsLateParsed, |
187 | bool InheritEvenIfAlreadyPresent) |
188 | : InheritableParamAttr(AK, R, SpellingListIndex, IsLateParsed, |
189 | InheritEvenIfAlreadyPresent) {} |
190 | |
191 | public: |
192 | ParameterABI getABI() const { |
193 | switch (getKind()) { |
194 | case attr::SwiftContext: |
195 | return ParameterABI::SwiftContext; |
196 | case attr::SwiftErrorResult: |
197 | return ParameterABI::SwiftErrorResult; |
198 | case attr::SwiftIndirectResult: |
199 | return ParameterABI::SwiftIndirectResult; |
200 | default: |
201 | llvm_unreachable("bad parameter ABI attribute kind"); |
202 | } |
203 | } |
204 | |
205 | static bool classof(const Attr *A) { |
206 | return A->getKind() >= attr::FirstParameterABIAttr && |
207 | A->getKind() <= attr::LastParameterABIAttr; |
208 | } |
209 | }; |
210 | |
211 | |
212 | |
213 | class ParamIdx { |
214 | |
215 | unsigned Idx : 30; |
216 | unsigned HasThis : 1; |
217 | unsigned IsValid : 1; |
218 | |
219 | void assertComparable(const ParamIdx &I) const { |
220 | (0) . __assert_fail ("isValid() && I.isValid() && \"ParamIdx must be valid to be compared\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 221, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(isValid() && I.isValid() && |
221 | (0) . __assert_fail ("isValid() && I.isValid() && \"ParamIdx must be valid to be compared\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 221, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> "ParamIdx must be valid to be compared"); |
222 | |
223 | |
224 | |
225 | |
226 | (0) . __assert_fail ("HasThis == I.HasThis && \"ParamIdx must be for the same function to be compared\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 227, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(HasThis == I.HasThis && |
227 | (0) . __assert_fail ("HasThis == I.HasThis && \"ParamIdx must be for the same function to be compared\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 227, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> "ParamIdx must be for the same function to be compared"); |
228 | } |
229 | |
230 | public: |
231 | |
232 | |
233 | ParamIdx() : Idx(0), HasThis(false), IsValid(false) {} |
234 | |
235 | |
236 | |
237 | |
238 | |
239 | |
240 | |
241 | ParamIdx(unsigned Idx, const Decl *D) |
242 | : Idx(Idx), HasThis(false), IsValid(true) { |
243 | (0) . __assert_fail ("Idx >= 1 && \"Idx must be one-origin\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 243, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Idx >= 1 && "Idx must be one-origin"); |
244 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) |
245 | HasThis = FD->isCXXInstanceMember(); |
246 | } |
247 | |
248 | |
249 | |
250 | |
251 | |
252 | typedef uint32_t SerialType; |
253 | |
254 | |
255 | |
256 | SerialType serialize() const { |
257 | return *reinterpret_cast<const SerialType *>(this); |
258 | } |
259 | |
260 | |
261 | static ParamIdx deserialize(SerialType S) { |
262 | ParamIdx P(*reinterpret_cast<ParamIdx *>(&S)); |
263 | (0) . __assert_fail ("(!P.IsValid || P.Idx >= 1) && \"valid Idx must be one-origin\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 263, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert((!P.IsValid || P.Idx >= 1) && "valid Idx must be one-origin"); |
264 | return P; |
265 | } |
266 | |
267 | |
268 | bool isValid() const { return IsValid; } |
269 | |
270 | |
271 | |
272 | |
273 | |
274 | |
275 | |
276 | unsigned getSourceIndex() const { |
277 | (0) . __assert_fail ("isValid() && \"ParamIdx must be valid\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 277, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(isValid() && "ParamIdx must be valid"); |
278 | return Idx; |
279 | } |
280 | |
281 | |
282 | |
283 | |
284 | |
285 | |
286 | |
287 | unsigned getASTIndex() const { |
288 | (0) . __assert_fail ("isValid() && \"ParamIdx must be valid\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 288, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(isValid() && "ParamIdx must be valid"); |
289 | (0) . __assert_fail ("Idx >= 1 + HasThis && \"stored index must be base-1 and not specify C++ implicit this\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 290, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Idx >= 1 + HasThis && |
290 | (0) . __assert_fail ("Idx >= 1 + HasThis && \"stored index must be base-1 and not specify C++ implicit this\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 290, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> "stored index must be base-1 and not specify C++ implicit this"); |
291 | return Idx - 1 - HasThis; |
292 | } |
293 | |
294 | |
295 | |
296 | |
297 | |
298 | unsigned getLLVMIndex() const { |
299 | (0) . __assert_fail ("isValid() && \"ParamIdx must be valid\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 299, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(isValid() && "ParamIdx must be valid"); |
300 | (0) . __assert_fail ("Idx >= 1 && \"stored index must be base-1\"", "/home/seafit/code_projects/clang_source/clang/include/clang/AST/Attr.h", 300, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Idx >= 1 && "stored index must be base-1"); |
301 | return Idx - 1; |
302 | } |
303 | |
304 | bool operator==(const ParamIdx &I) const { |
305 | assertComparable(I); |
306 | return Idx == I.Idx; |
307 | } |
308 | bool operator!=(const ParamIdx &I) const { |
309 | assertComparable(I); |
310 | return Idx != I.Idx; |
311 | } |
312 | bool operator<(const ParamIdx &I) const { |
313 | assertComparable(I); |
314 | return Idx < I.Idx; |
315 | } |
316 | bool operator>(const ParamIdx &I) const { |
317 | assertComparable(I); |
318 | return Idx > I.Idx; |
319 | } |
320 | bool operator<=(const ParamIdx &I) const { |
321 | assertComparable(I); |
322 | return Idx <= I.Idx; |
323 | } |
324 | bool operator>=(const ParamIdx &I) const { |
325 | assertComparable(I); |
326 | return Idx >= I.Idx; |
327 | } |
328 | }; |
329 | |
330 | static_assert(sizeof(ParamIdx) == sizeof(ParamIdx::SerialType), |
331 | "ParamIdx does not fit its serialization type"); |
332 | |
333 | #include "clang/AST/Attrs.inc" |
334 | |
335 | inline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, |
336 | const Attr *At) { |
337 | DB.AddTaggedVal(reinterpret_cast<intptr_t>(At), |
338 | DiagnosticsEngine::ak_attr); |
339 | return DB; |
340 | } |
341 | |
342 | inline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, |
343 | const Attr *At) { |
344 | PD.AddTaggedVal(reinterpret_cast<intptr_t>(At), |
345 | DiagnosticsEngine::ak_attr); |
346 | return PD; |
347 | } |
348 | } |
349 | |
350 | #endif |
351 | |