clang 19.0.0git
CGObjCRuntime.h
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1//===----- CGObjCRuntime.h - Interface to ObjC Runtimes ---------*- C++ -*-===//
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// This provides an abstract class for Objective-C code generation. Concrete
10// subclasses of this implement code generation for specific Objective-C
11// runtime libraries.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_CLANG_LIB_CODEGEN_CGOBJCRUNTIME_H
16#define LLVM_CLANG_LIB_CODEGEN_CGOBJCRUNTIME_H
17#include "CGBuilder.h"
18#include "CGCall.h"
19#include "CGCleanup.h"
20#include "CGValue.h"
21#include "clang/AST/DeclObjC.h"
22#include "clang/Basic/IdentifierTable.h" // Selector
23#include "llvm/ADT/UniqueVector.h"
24
25namespace llvm {
26 class Constant;
27 class Function;
28 class Module;
29 class StructLayout;
30 class StructType;
31 class Type;
32 class Value;
33}
34
35namespace clang {
36namespace CodeGen {
37class CGFunctionInfo;
38class CodeGenFunction;
39}
40
41 class FieldDecl;
42 class ObjCAtTryStmt;
43 class ObjCAtThrowStmt;
44 class ObjCAtSynchronizedStmt;
45 class ObjCContainerDecl;
46 class ObjCCategoryImplDecl;
47 class ObjCImplementationDecl;
48 class ObjCInterfaceDecl;
49 class ObjCMessageExpr;
50 class ObjCMethodDecl;
51 class ObjCProtocolDecl;
52 class Selector;
53 class ObjCIvarDecl;
54 class ObjCStringLiteral;
55 class BlockDeclRefExpr;
56
57namespace CodeGen {
58 class CodeGenModule;
59 class CGBlockInfo;
60
61// FIXME: Several methods should be pure virtual but aren't to avoid the
62// partially-implemented subclass breaking.
63
64/// Implements runtime-specific code generation functions.
66protected:
69
70 // Utility functions for unified ivar access. These need to
71 // eventually be folded into other places (the structure layout
72 // code).
73
74 /// Compute an offset to the given ivar, suitable for passing to
75 /// EmitValueForIvarAtOffset. Note that the correct handling of
76 /// bit-fields is carefully coordinated by these two, use caution!
77 ///
78 /// The latter overload is suitable for computing the offset of a
79 /// sythesized ivar.
81 const ObjCInterfaceDecl *OID,
82 const ObjCIvarDecl *Ivar);
84 const ObjCImplementationDecl *OID,
85 const ObjCIvarDecl *Ivar);
86
88 const ObjCInterfaceDecl *OID,
89 llvm::Value *BaseValue,
90 const ObjCIvarDecl *Ivar,
91 unsigned CVRQualifiers,
92 llvm::Value *Offset);
93 /// Emits a try / catch statement. This function is intended to be called by
94 /// subclasses, and provides a generic mechanism for generating these, which
95 /// should be usable by all runtimes. The caller must provide the functions
96 /// to call when entering and exiting a \@catch() block, and the function
97 /// used to rethrow exceptions. If the begin and end catch functions are
98 /// NULL, then the function assumes that the EH personality function provides
99 /// the thrown object directly.
101 llvm::FunctionCallee beginCatchFn,
102 llvm::FunctionCallee endCatchFn,
103 llvm::FunctionCallee exceptionRethrowFn);
104
105 void EmitInitOfCatchParam(CodeGenFunction &CGF, llvm::Value *exn,
106 const VarDecl *paramDecl);
107
108 /// Emits an \@synchronize() statement, using the \p syncEnterFn and
109 /// \p syncExitFn arguments as the functions called to lock and unlock
110 /// the object. This function can be called by subclasses that use
111 /// zero-cost exception handling.
113 const ObjCAtSynchronizedStmt &S,
114 llvm::FunctionCallee syncEnterFn,
115 llvm::FunctionCallee syncExitFn);
116
117public:
118 virtual ~CGObjCRuntime();
119
120 std::string getSymbolNameForMethod(const ObjCMethodDecl *method,
121 bool includeCategoryName = true);
122
123 /// Generate the function required to register all Objective-C components in
124 /// this compilation unit with the runtime library.
125 virtual llvm::Function *ModuleInitFunction() = 0;
126
127 /// Get a selector for the specified name and type values.
128 /// The result should have the LLVM type for ASTContext::getObjCSelType().
129 virtual llvm::Value *GetSelector(CodeGenFunction &CGF, Selector Sel) = 0;
130
131 /// Get the address of a selector for the specified name and type values.
132 /// This is a rarely-used language extension, but sadly it exists.
133 ///
134 /// The result should have the LLVM type for a pointer to
135 /// ASTContext::getObjCSelType().
137
138 /// Get a typed selector.
139 virtual llvm::Value *GetSelector(CodeGenFunction &CGF,
140 const ObjCMethodDecl *Method) = 0;
141
142 /// Get the type constant to catch for the given ObjC pointer type.
143 /// This is used externally to implement catching ObjC types in C++.
144 /// Runtimes which don't support this should add the appropriate
145 /// error to Sema.
146 virtual llvm::Constant *GetEHType(QualType T) = 0;
147
148 virtual CatchTypeInfo getCatchAllTypeInfo() { return { nullptr, 0 }; }
149
150 /// Generate a constant string object.
152
153 /// Generate a category. A category contains a list of methods (and
154 /// accompanying metadata) and a list of protocols.
155 virtual void GenerateCategory(const ObjCCategoryImplDecl *OCD) = 0;
156
157 /// Generate a class structure for this class.
158 virtual void GenerateClass(const ObjCImplementationDecl *OID) = 0;
159
160 /// Register an class alias.
161 virtual void RegisterAlias(const ObjCCompatibleAliasDecl *OAD) = 0;
162
163 /// Generate an Objective-C message send operation.
164 ///
165 /// \param Method - The method being called, this may be null if synthesizing
166 /// a property setter or getter.
167 virtual CodeGen::RValue
169 ReturnValueSlot ReturnSlot,
170 QualType ResultType,
171 Selector Sel,
172 llvm::Value *Receiver,
173 const CallArgList &CallArgs,
174 const ObjCInterfaceDecl *Class = nullptr,
175 const ObjCMethodDecl *Method = nullptr) = 0;
176
177 /// Generate an Objective-C message send operation.
178 ///
179 /// This variant allows for the call to be substituted with an optimized
180 /// variant.
183 ReturnValueSlot Return,
184 QualType ResultType,
185 Selector Sel,
186 llvm::Value *Receiver,
187 const CallArgList& Args,
188 const ObjCInterfaceDecl *OID,
189 const ObjCMethodDecl *Method,
190 bool isClassMessage);
191
192 /// Generate an Objective-C message send operation to the super
193 /// class initiated in a method for Class and with the given Self
194 /// object.
195 ///
196 /// \param Method - The method being called, this may be null if synthesizing
197 /// a property setter or getter.
198 virtual CodeGen::RValue
200 ReturnValueSlot ReturnSlot,
201 QualType ResultType,
202 Selector Sel,
204 bool isCategoryImpl,
205 llvm::Value *Self,
206 bool IsClassMessage,
207 const CallArgList &CallArgs,
208 const ObjCMethodDecl *Method = nullptr) = 0;
209
210 /// Walk the list of protocol references from a class, category or
211 /// protocol to traverse the DAG formed from it's inheritance hierarchy. Find
212 /// the list of protocols that ends each walk at either a runtime
213 /// protocol or a non-runtime protocol with no parents. For the common case of
214 /// just a list of standard runtime protocols this just returns the same list
215 /// that was passed in.
216 std::vector<const ObjCProtocolDecl *>
219
220 /// Emit the code to return the named protocol as an object, as in a
221 /// \@protocol expression.
222 virtual llvm::Value *GenerateProtocolRef(CodeGenFunction &CGF,
223 const ObjCProtocolDecl *OPD) = 0;
224
225 /// Generate the named protocol. Protocols contain method metadata but no
226 /// implementations.
227 virtual void GenerateProtocol(const ObjCProtocolDecl *OPD) = 0;
228
229 /// GetOrEmitProtocol - Get the protocol object for the given
230 /// declaration, emitting it if necessary. The return value has type
231 /// ProtocolPtrTy.
232 virtual llvm::Constant *GetOrEmitProtocol(const ObjCProtocolDecl *PD) = 0;
233
234 /// Generate a function preamble for a method with the specified
235 /// types.
236
237 // FIXME: Current this just generates the Function definition, but really this
238 // should also be generating the loads of the parameters, as the runtime
239 // should have full control over how parameters are passed.
240 virtual llvm::Function *GenerateMethod(const ObjCMethodDecl *OMD,
241 const ObjCContainerDecl *CD) = 0;
242
243 /// Generates prologue for direct Objective-C Methods.
245 llvm::Function *Fn,
246 const ObjCMethodDecl *OMD,
247 const ObjCContainerDecl *CD) = 0;
248
249 /// Return the runtime function for getting properties.
250 virtual llvm::FunctionCallee GetPropertyGetFunction() = 0;
251
252 /// Return the runtime function for setting properties.
253 virtual llvm::FunctionCallee GetPropertySetFunction() = 0;
254
255 /// Return the runtime function for optimized setting properties.
256 virtual llvm::FunctionCallee GetOptimizedPropertySetFunction(bool atomic,
257 bool copy) = 0;
258
259 // API for atomic copying of qualified aggregates in getter.
260 virtual llvm::FunctionCallee GetGetStructFunction() = 0;
261 // API for atomic copying of qualified aggregates in setter.
262 virtual llvm::FunctionCallee GetSetStructFunction() = 0;
263 /// API for atomic copying of qualified aggregates with non-trivial copy
264 /// assignment (c++) in setter.
265 virtual llvm::FunctionCallee GetCppAtomicObjectSetFunction() = 0;
266 /// API for atomic copying of qualified aggregates with non-trivial copy
267 /// assignment (c++) in getter.
268 virtual llvm::FunctionCallee GetCppAtomicObjectGetFunction() = 0;
269
270 /// GetClass - Return a reference to the class for the given
271 /// interface decl.
272 virtual llvm::Value *GetClass(CodeGenFunction &CGF,
273 const ObjCInterfaceDecl *OID) = 0;
274
275
277 llvm_unreachable("autoreleasepool unsupported in this ABI");
278 }
279
280 /// EnumerationMutationFunction - Return the function that's called by the
281 /// compiler when a mutation is detected during foreach iteration.
282 virtual llvm::FunctionCallee EnumerationMutationFunction() = 0;
283
285 const ObjCAtSynchronizedStmt &S) = 0;
287 const ObjCAtTryStmt &S) = 0;
289 const ObjCAtThrowStmt &S,
290 bool ClearInsertionPoint=true) = 0;
292 Address AddrWeakObj) = 0;
294 llvm::Value *src, Address dest) = 0;
296 llvm::Value *src, Address dest,
297 bool threadlocal=false) = 0;
299 llvm::Value *src, Address dest,
300 llvm::Value *ivarOffset) = 0;
302 llvm::Value *src, Address dest) = 0;
303
305 QualType ObjectTy,
306 llvm::Value *BaseValue,
307 const ObjCIvarDecl *Ivar,
308 unsigned CVRQualifiers) = 0;
309 virtual llvm::Value *EmitIvarOffset(CodeGen::CodeGenFunction &CGF,
311 const ObjCIvarDecl *Ivar) = 0;
313 Address DestPtr,
314 Address SrcPtr,
315 llvm::Value *Size) = 0;
317 const CodeGen::CGBlockInfo &blockInfo) = 0;
319 const CodeGen::CGBlockInfo &blockInfo) = 0;
321 const CGBlockInfo &blockInfo) {
322 return {};
323 }
324
325 /// Returns an i8* which points to the byref layout information.
327 QualType T) = 0;
328
331 llvm::PointerType *MessengerType;
332
334 llvm::PointerType *messengerType)
335 : CallInfo(callInfo), MessengerType(messengerType) {}
336 };
337
338 MessageSendInfo getMessageSendInfo(const ObjCMethodDecl *method,
339 QualType resultType,
340 CallArgList &callArgs);
342 const ObjCMethodDecl *method,
343 bool isSuper,
344 const ObjCInterfaceDecl *classReceiver,
345 llvm::Value *receiver);
346 static bool isWeakLinkedClass(const ObjCInterfaceDecl *cls);
347
348 /// Destroy the callee-destroyed arguments of the given method,
349 /// if it has any. Used for nil-receiver paths in message sends.
350 /// Never does anything if the method does not satisfy
351 /// hasParamDestroyedInCallee().
352 ///
353 /// \param callArgs - just the formal arguments, not including implicit
354 /// arguments such as self and cmd
356 const ObjCMethodDecl *method,
357 const CallArgList &callArgs);
358
359 // FIXME: This probably shouldn't be here, but the code to compute
360 // it is here.
362 const ObjCInterfaceDecl *ID,
363 const ObjCIvarDecl *Ivar);
364};
365
366/// Creates an instance of an Objective-C runtime class.
367//TODO: This should include some way of selecting which runtime to target.
368CGObjCRuntime *CreateGNUObjCRuntime(CodeGenModule &CGM);
370}
371}
372#endif
MatchType Type
static char ID
Definition: Arena.cpp:183
Defines the clang::IdentifierInfo, clang::IdentifierTable, and clang::Selector interfaces.
Like RawAddress, an abstract representation of an aligned address, but the pointer contained in this ...
Definition: Address.h:111
CGBlockInfo - Information to generate a block literal.
Definition: CGBlocks.h:156
CGFunctionInfo - Class to encapsulate the information about a function definition.
Implements runtime-specific code generation functions.
Definition: CGObjCRuntime.h:65
virtual llvm::Constant * GetEHType(QualType T)=0
Get the type constant to catch for the given ObjC pointer type.
virtual void EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF, llvm::Value *src, Address dest, llvm::Value *ivarOffset)=0
virtual llvm::FunctionCallee GetCppAtomicObjectGetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in getter.
virtual void EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF, llvm::Value *src, Address dest)=0
virtual CatchTypeInfo getCatchAllTypeInfo()
virtual llvm::Constant * BuildByrefLayout(CodeGen::CodeGenModule &CGM, QualType T)=0
Returns an i8* which points to the byref layout information.
void EmitInitOfCatchParam(CodeGenFunction &CGF, llvm::Value *exn, const VarDecl *paramDecl)
bool canMessageReceiverBeNull(CodeGenFunction &CGF, const ObjCMethodDecl *method, bool isSuper, const ObjCInterfaceDecl *classReceiver, llvm::Value *receiver)
virtual void EmitGCMemmoveCollectable(CodeGen::CodeGenFunction &CGF, Address DestPtr, Address SrcPtr, llvm::Value *Size)=0
virtual llvm::FunctionCallee GetPropertySetFunction()=0
Return the runtime function for setting properties.
virtual llvm::FunctionCallee GetCppAtomicObjectSetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in setter.
virtual void EmitTryStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtTryStmt &S)=0
virtual CodeGen::RValue GenerateMessageSend(CodeGen::CodeGenFunction &CGF, ReturnValueSlot ReturnSlot, QualType ResultType, Selector Sel, llvm::Value *Receiver, const CallArgList &CallArgs, const ObjCInterfaceDecl *Class=nullptr, const ObjCMethodDecl *Method=nullptr)=0
Generate an Objective-C message send operation.
virtual LValue EmitObjCValueForIvar(CodeGen::CodeGenFunction &CGF, QualType ObjectTy, llvm::Value *BaseValue, const ObjCIvarDecl *Ivar, unsigned CVRQualifiers)=0
virtual llvm::Value * GetSelector(CodeGenFunction &CGF, const ObjCMethodDecl *Method)=0
Get a typed selector.
std::string getSymbolNameForMethod(const ObjCMethodDecl *method, bool includeCategoryName=true)
virtual void RegisterAlias(const ObjCCompatibleAliasDecl *OAD)=0
Register an class alias.
virtual void GenerateCategory(const ObjCCategoryImplDecl *OCD)=0
Generate a category.
static void destroyCalleeDestroyedArguments(CodeGenFunction &CGF, const ObjCMethodDecl *method, const CallArgList &callArgs)
Destroy the callee-destroyed arguments of the given method, if it has any.
CodeGen::RValue GeneratePossiblySpecializedMessageSend(CodeGenFunction &CGF, ReturnValueSlot Return, QualType ResultType, Selector Sel, llvm::Value *Receiver, const CallArgList &Args, const ObjCInterfaceDecl *OID, const ObjCMethodDecl *Method, bool isClassMessage)
Generate an Objective-C message send operation.
Definition: CGObjC.cpp:438
virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtThrowStmt &S, bool ClearInsertionPoint=true)=0
LValue EmitValueForIvarAtOffset(CodeGen::CodeGenFunction &CGF, const ObjCInterfaceDecl *OID, llvm::Value *BaseValue, const ObjCIvarDecl *Ivar, unsigned CVRQualifiers, llvm::Value *Offset)
virtual llvm::Value * EmitIvarOffset(CodeGen::CodeGenFunction &CGF, const ObjCInterfaceDecl *Interface, const ObjCIvarDecl *Ivar)=0
uint64_t ComputeIvarBaseOffset(CodeGen::CodeGenModule &CGM, const ObjCInterfaceDecl *OID, const ObjCIvarDecl *Ivar)
Compute an offset to the given ivar, suitable for passing to EmitValueForIvarAtOffset.
virtual llvm::Function * GenerateMethod(const ObjCMethodDecl *OMD, const ObjCContainerDecl *CD)=0
Generate a function preamble for a method with the specified types.
virtual llvm::Value * GenerateProtocolRef(CodeGenFunction &CGF, const ObjCProtocolDecl *OPD)=0
Emit the code to return the named protocol as an object, as in a @protocol expression.
virtual llvm::Value * EmitObjCWeakRead(CodeGen::CodeGenFunction &CGF, Address AddrWeakObj)=0
virtual llvm::Function * ModuleInitFunction()=0
Generate the function required to register all Objective-C components in this compilation unit with t...
virtual CodeGen::RValue GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF, ReturnValueSlot ReturnSlot, QualType ResultType, Selector Sel, const ObjCInterfaceDecl *Class, bool isCategoryImpl, llvm::Value *Self, bool IsClassMessage, const CallArgList &CallArgs, const ObjCMethodDecl *Method=nullptr)=0
Generate an Objective-C message send operation to the super class initiated in a method for Class and...
virtual void GenerateClass(const ObjCImplementationDecl *OID)=0
Generate a class structure for this class.
virtual std::string getRCBlockLayoutStr(CodeGen::CodeGenModule &CGM, const CGBlockInfo &blockInfo)
virtual llvm::FunctionCallee EnumerationMutationFunction()=0
EnumerationMutationFunction - Return the function that's called by the compiler when a mutation is de...
virtual llvm::Constant * BuildGCBlockLayout(CodeGen::CodeGenModule &CGM, const CodeGen::CGBlockInfo &blockInfo)=0
static bool isWeakLinkedClass(const ObjCInterfaceDecl *cls)
virtual llvm::FunctionCallee GetGetStructFunction()=0
virtual llvm::Constant * GetOrEmitProtocol(const ObjCProtocolDecl *PD)=0
GetOrEmitProtocol - Get the protocol object for the given declaration, emitting it if necessary.
virtual ConstantAddress GenerateConstantString(const StringLiteral *)=0
Generate a constant string object.
virtual llvm::Value * GetClass(CodeGenFunction &CGF, const ObjCInterfaceDecl *OID)=0
GetClass - Return a reference to the class for the given interface decl.
virtual void GenerateProtocol(const ObjCProtocolDecl *OPD)=0
Generate the named protocol.
virtual llvm::Constant * BuildRCBlockLayout(CodeGen::CodeGenModule &CGM, const CodeGen::CGBlockInfo &blockInfo)=0
virtual llvm::FunctionCallee GetOptimizedPropertySetFunction(bool atomic, bool copy)=0
Return the runtime function for optimized setting properties.
void EmitTryCatchStmt(CodeGenFunction &CGF, const ObjCAtTryStmt &S, llvm::FunctionCallee beginCatchFn, llvm::FunctionCallee endCatchFn, llvm::FunctionCallee exceptionRethrowFn)
Emits a try / catch statement.
CodeGen::CodeGenModule & CGM
Definition: CGObjCRuntime.h:67
CGObjCRuntime(CodeGen::CodeGenModule &CGM)
Definition: CGObjCRuntime.h:68
MessageSendInfo getMessageSendInfo(const ObjCMethodDecl *method, QualType resultType, CallArgList &callArgs)
Compute the pointer-to-function type to which a message send should be casted in order to correctly c...
virtual llvm::Value * GetSelector(CodeGenFunction &CGF, Selector Sel)=0
Get a selector for the specified name and type values.
virtual void GenerateDirectMethodPrologue(CodeGenFunction &CGF, llvm::Function *Fn, const ObjCMethodDecl *OMD, const ObjCContainerDecl *CD)=0
Generates prologue for direct Objective-C Methods.
virtual Address GetAddrOfSelector(CodeGenFunction &CGF, Selector Sel)=0
Get the address of a selector for the specified name and type values.
virtual void EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF, llvm::Value *src, Address dest)=0
virtual llvm::Value * EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF)
virtual void EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF, llvm::Value *src, Address dest, bool threadlocal=false)=0
void EmitAtSynchronizedStmt(CodeGenFunction &CGF, const ObjCAtSynchronizedStmt &S, llvm::FunctionCallee syncEnterFn, llvm::FunctionCallee syncExitFn)
Emits an @synchronize() statement, using the syncEnterFn and syncExitFn arguments as the functions ca...
virtual llvm::FunctionCallee GetPropertyGetFunction()=0
Return the runtime function for getting properties.
unsigned ComputeBitfieldBitOffset(CodeGen::CodeGenModule &CGM, const ObjCInterfaceDecl *ID, const ObjCIvarDecl *Ivar)
virtual llvm::FunctionCallee GetSetStructFunction()=0
std::vector< const ObjCProtocolDecl * > GetRuntimeProtocolList(ObjCProtocolDecl::protocol_iterator begin, ObjCProtocolDecl::protocol_iterator end)
Walk the list of protocol references from a class, category or protocol to traverse the DAG formed fr...
Definition: CGObjC.cpp:466
virtual void EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtSynchronizedStmt &S)=0
CallArgList - Type for representing both the value and type of arguments in a call.
Definition: CGCall.h:258
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
This class organizes the cross-function state that is used while generating LLVM code.
A specialization of Address that requires the address to be an LLVM Constant.
Definition: Address.h:260
LValue - This represents an lvalue references.
Definition: CGValue.h:181
RValue - This trivial value class is used to represent the result of an expression that is evaluated.
Definition: CGValue.h:41
ReturnValueSlot - Contains the address where the return value of a function can be stored,...
Definition: CGCall.h:356
Represents Objective-C's @synchronized statement.
Definition: StmtObjC.h:303
Represents Objective-C's @throw statement.
Definition: StmtObjC.h:358
Represents Objective-C's @try ... @catch ... @finally statement.
Definition: StmtObjC.h:167
ObjCCategoryImplDecl - An object of this class encapsulates a category @implementation declaration.
Definition: DeclObjC.h:2539
ObjCCompatibleAliasDecl - Represents alias of a class.
Definition: DeclObjC.h:2767
ObjCContainerDecl - Represents a container for method declarations.
Definition: DeclObjC.h:946
ObjCImplementationDecl - Represents a class definition - this is where method definitions are specifi...
Definition: DeclObjC.h:2590
Represents an ObjC class declaration.
Definition: DeclObjC.h:1152
ObjCIvarDecl - Represents an ObjC instance variable.
Definition: DeclObjC.h:1948
ObjCMethodDecl - Represents an instance or class method declaration.
Definition: DeclObjC.h:140
Represents an Objective-C protocol declaration.
Definition: DeclObjC.h:2079
ObjCProtocolList::iterator protocol_iterator
Definition: DeclObjC.h:2152
A (possibly-)qualified type.
Definition: Type.h:738
Smart pointer class that efficiently represents Objective-C method names.
StringLiteral - This represents a string literal expression, e.g.
Definition: Expr.h:1773
Represents a variable declaration or definition.
Definition: Decl.h:918
CGObjCRuntime * CreateMacObjCRuntime(CodeGenModule &CGM)
CGObjCRuntime * CreateGNUObjCRuntime(CodeGenModule &CGM)
Creates an instance of an Objective-C runtime class.
Definition: CGObjCGNU.cpp:4340
The JSON file list parser is used to communicate input to InstallAPI.
@ Self
'self' clause, allowed on Compute and Combined Constructs, plus 'update'.
@ Module
Module linkage, which indicates that the entity can be referred to from other translation units withi...
const FunctionProtoType * T
@ Interface
The "__interface" keyword introduces the elaborated-type-specifier.
@ Class
The "class" keyword introduces the elaborated-type-specifier.
Diagnostic wrappers for TextAPI types for error reporting.
Definition: Dominators.h:30
MessageSendInfo(const CGFunctionInfo &callInfo, llvm::PointerType *messengerType)
The MS C++ ABI needs a pointer to RTTI data plus some flags to describe the type of a catch handler,...
Definition: CGCleanup.h:39