|
150
|
1 //===- ExprCXX.cpp - (C++) Expression AST Node Implementation -------------===//
|
|
|
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 file implements the subclesses of Expr class declared in ExprCXX.h
|
|
|
10 //
|
|
|
11 //===----------------------------------------------------------------------===//
|
|
|
12
|
|
|
13 #include "clang/AST/ExprCXX.h"
|
|
|
14 #include "clang/AST/ASTContext.h"
|
|
|
15 #include "clang/AST/Attr.h"
|
|
173
|
16 #include "clang/AST/ComputeDependence.h"
|
|
150
|
17 #include "clang/AST/Decl.h"
|
|
|
18 #include "clang/AST/DeclAccessPair.h"
|
|
|
19 #include "clang/AST/DeclBase.h"
|
|
|
20 #include "clang/AST/DeclCXX.h"
|
|
|
21 #include "clang/AST/DeclTemplate.h"
|
|
|
22 #include "clang/AST/DeclarationName.h"
|
|
173
|
23 #include "clang/AST/DependenceFlags.h"
|
|
150
|
24 #include "clang/AST/Expr.h"
|
|
|
25 #include "clang/AST/LambdaCapture.h"
|
|
|
26 #include "clang/AST/NestedNameSpecifier.h"
|
|
|
27 #include "clang/AST/TemplateBase.h"
|
|
|
28 #include "clang/AST/Type.h"
|
|
|
29 #include "clang/AST/TypeLoc.h"
|
|
|
30 #include "clang/Basic/LLVM.h"
|
|
|
31 #include "clang/Basic/OperatorKinds.h"
|
|
|
32 #include "clang/Basic/SourceLocation.h"
|
|
|
33 #include "clang/Basic/Specifiers.h"
|
|
|
34 #include "llvm/ADT/ArrayRef.h"
|
|
|
35 #include "llvm/Support/Casting.h"
|
|
|
36 #include "llvm/Support/ErrorHandling.h"
|
|
|
37 #include <cassert>
|
|
|
38 #include <cstddef>
|
|
|
39 #include <cstring>
|
|
|
40 #include <memory>
|
|
|
41
|
|
|
42 using namespace clang;
|
|
|
43
|
|
|
44 //===----------------------------------------------------------------------===//
|
|
|
45 // Child Iterators for iterating over subexpressions/substatements
|
|
|
46 //===----------------------------------------------------------------------===//
|
|
|
47
|
|
|
48 bool CXXOperatorCallExpr::isInfixBinaryOp() const {
|
|
|
49 // An infix binary operator is any operator with two arguments other than
|
|
|
50 // operator() and operator[]. Note that none of these operators can have
|
|
|
51 // default arguments, so it suffices to check the number of argument
|
|
|
52 // expressions.
|
|
|
53 if (getNumArgs() != 2)
|
|
|
54 return false;
|
|
|
55
|
|
|
56 switch (getOperator()) {
|
|
|
57 case OO_Call: case OO_Subscript:
|
|
|
58 return false;
|
|
|
59 default:
|
|
|
60 return true;
|
|
|
61 }
|
|
|
62 }
|
|
|
63
|
|
|
64 CXXRewrittenBinaryOperator::DecomposedForm
|
|
|
65 CXXRewrittenBinaryOperator::getDecomposedForm() const {
|
|
|
66 DecomposedForm Result = {};
|
|
|
67 const Expr *E = getSemanticForm()->IgnoreImplicit();
|
|
|
68
|
|
|
69 // Remove an outer '!' if it exists (only happens for a '!=' rewrite).
|
|
|
70 bool SkippedNot = false;
|
|
|
71 if (auto *NotEq = dyn_cast<UnaryOperator>(E)) {
|
|
|
72 assert(NotEq->getOpcode() == UO_LNot);
|
|
|
73 E = NotEq->getSubExpr()->IgnoreImplicit();
|
|
|
74 SkippedNot = true;
|
|
|
75 }
|
|
|
76
|
|
|
77 // Decompose the outer binary operator.
|
|
|
78 if (auto *BO = dyn_cast<BinaryOperator>(E)) {
|
|
|
79 assert(!SkippedNot || BO->getOpcode() == BO_EQ);
|
|
|
80 Result.Opcode = SkippedNot ? BO_NE : BO->getOpcode();
|
|
|
81 Result.LHS = BO->getLHS();
|
|
|
82 Result.RHS = BO->getRHS();
|
|
|
83 Result.InnerBinOp = BO;
|
|
|
84 } else if (auto *BO = dyn_cast<CXXOperatorCallExpr>(E)) {
|
|
|
85 assert(!SkippedNot || BO->getOperator() == OO_EqualEqual);
|
|
|
86 assert(BO->isInfixBinaryOp());
|
|
|
87 switch (BO->getOperator()) {
|
|
|
88 case OO_Less: Result.Opcode = BO_LT; break;
|
|
|
89 case OO_LessEqual: Result.Opcode = BO_LE; break;
|
|
|
90 case OO_Greater: Result.Opcode = BO_GT; break;
|
|
|
91 case OO_GreaterEqual: Result.Opcode = BO_GE; break;
|
|
|
92 case OO_Spaceship: Result.Opcode = BO_Cmp; break;
|
|
|
93 case OO_EqualEqual: Result.Opcode = SkippedNot ? BO_NE : BO_EQ; break;
|
|
|
94 default: llvm_unreachable("unexpected binop in rewritten operator expr");
|
|
|
95 }
|
|
|
96 Result.LHS = BO->getArg(0);
|
|
|
97 Result.RHS = BO->getArg(1);
|
|
|
98 Result.InnerBinOp = BO;
|
|
|
99 } else {
|
|
|
100 llvm_unreachable("unexpected rewritten operator form");
|
|
|
101 }
|
|
|
102
|
|
|
103 // Put the operands in the right order for == and !=, and canonicalize the
|
|
|
104 // <=> subexpression onto the LHS for all other forms.
|
|
|
105 if (isReversed())
|
|
|
106 std::swap(Result.LHS, Result.RHS);
|
|
|
107
|
|
|
108 // If this isn't a spaceship rewrite, we're done.
|
|
|
109 if (Result.Opcode == BO_EQ || Result.Opcode == BO_NE)
|
|
|
110 return Result;
|
|
|
111
|
|
|
112 // Otherwise, we expect a <=> to now be on the LHS.
|
|
|
113 E = Result.LHS->IgnoreImplicitAsWritten();
|
|
|
114 if (auto *BO = dyn_cast<BinaryOperator>(E)) {
|
|
|
115 assert(BO->getOpcode() == BO_Cmp);
|
|
|
116 Result.LHS = BO->getLHS();
|
|
|
117 Result.RHS = BO->getRHS();
|
|
|
118 Result.InnerBinOp = BO;
|
|
|
119 } else if (auto *BO = dyn_cast<CXXOperatorCallExpr>(E)) {
|
|
|
120 assert(BO->getOperator() == OO_Spaceship);
|
|
|
121 Result.LHS = BO->getArg(0);
|
|
|
122 Result.RHS = BO->getArg(1);
|
|
|
123 Result.InnerBinOp = BO;
|
|
|
124 } else {
|
|
|
125 llvm_unreachable("unexpected rewritten operator form");
|
|
|
126 }
|
|
|
127
|
|
|
128 // Put the comparison operands in the right order.
|
|
|
129 if (isReversed())
|
|
|
130 std::swap(Result.LHS, Result.RHS);
|
|
|
131 return Result;
|
|
|
132 }
|
|
|
133
|
|
|
134 bool CXXTypeidExpr::isPotentiallyEvaluated() const {
|
|
|
135 if (isTypeOperand())
|
|
|
136 return false;
|
|
|
137
|
|
|
138 // C++11 [expr.typeid]p3:
|
|
|
139 // When typeid is applied to an expression other than a glvalue of
|
|
|
140 // polymorphic class type, [...] the expression is an unevaluated operand.
|
|
|
141 const Expr *E = getExprOperand();
|
|
|
142 if (const CXXRecordDecl *RD = E->getType()->getAsCXXRecordDecl())
|
|
|
143 if (RD->isPolymorphic() && E->isGLValue())
|
|
|
144 return true;
|
|
|
145
|
|
|
146 return false;
|
|
|
147 }
|
|
|
148
|
|
|
149 QualType CXXTypeidExpr::getTypeOperand(ASTContext &Context) const {
|
|
|
150 assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)");
|
|
|
151 Qualifiers Quals;
|
|
|
152 return Context.getUnqualifiedArrayType(
|
|
|
153 Operand.get<TypeSourceInfo *>()->getType().getNonReferenceType(), Quals);
|
|
|
154 }
|
|
|
155
|
|
|
156 QualType CXXUuidofExpr::getTypeOperand(ASTContext &Context) const {
|
|
|
157 assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)");
|
|
|
158 Qualifiers Quals;
|
|
|
159 return Context.getUnqualifiedArrayType(
|
|
|
160 Operand.get<TypeSourceInfo *>()->getType().getNonReferenceType(), Quals);
|
|
|
161 }
|
|
|
162
|
|
|
163 // CXXScalarValueInitExpr
|
|
|
164 SourceLocation CXXScalarValueInitExpr::getBeginLoc() const {
|
|
|
165 return TypeInfo ? TypeInfo->getTypeLoc().getBeginLoc() : getRParenLoc();
|
|
|
166 }
|
|
|
167
|
|
|
168 // CXXNewExpr
|
|
|
169 CXXNewExpr::CXXNewExpr(bool IsGlobalNew, FunctionDecl *OperatorNew,
|
|
|
170 FunctionDecl *OperatorDelete, bool ShouldPassAlignment,
|
|
|
171 bool UsualArrayDeleteWantsSize,
|
|
|
172 ArrayRef<Expr *> PlacementArgs, SourceRange TypeIdParens,
|
|
|
173 Optional<Expr *> ArraySize,
|
|
|
174 InitializationStyle InitializationStyle,
|
|
|
175 Expr *Initializer, QualType Ty,
|
|
|
176 TypeSourceInfo *AllocatedTypeInfo, SourceRange Range,
|
|
|
177 SourceRange DirectInitRange)
|
|
173
|
178 : Expr(CXXNewExprClass, Ty, VK_RValue, OK_Ordinary),
|
|
150
|
179 OperatorNew(OperatorNew), OperatorDelete(OperatorDelete),
|
|
|
180 AllocatedTypeInfo(AllocatedTypeInfo), Range(Range),
|
|
|
181 DirectInitRange(DirectInitRange) {
|
|
|
182
|
|
|
183 assert((Initializer != nullptr || InitializationStyle == NoInit) &&
|
|
|
184 "Only NoInit can have no initializer!");
|
|
|
185
|
|
|
186 CXXNewExprBits.IsGlobalNew = IsGlobalNew;
|
|
|
187 CXXNewExprBits.IsArray = ArraySize.hasValue();
|
|
|
188 CXXNewExprBits.ShouldPassAlignment = ShouldPassAlignment;
|
|
|
189 CXXNewExprBits.UsualArrayDeleteWantsSize = UsualArrayDeleteWantsSize;
|
|
|
190 CXXNewExprBits.StoredInitializationStyle =
|
|
|
191 Initializer ? InitializationStyle + 1 : 0;
|
|
|
192 bool IsParenTypeId = TypeIdParens.isValid();
|
|
|
193 CXXNewExprBits.IsParenTypeId = IsParenTypeId;
|
|
|
194 CXXNewExprBits.NumPlacementArgs = PlacementArgs.size();
|
|
|
195
|
|
173
|
196 if (ArraySize)
|
|
150
|
197 getTrailingObjects<Stmt *>()[arraySizeOffset()] = *ArraySize;
|
|
173
|
198 if (Initializer)
|
|
150
|
199 getTrailingObjects<Stmt *>()[initExprOffset()] = Initializer;
|
|
173
|
200 for (unsigned I = 0; I != PlacementArgs.size(); ++I)
|
|
150
|
201 getTrailingObjects<Stmt *>()[placementNewArgsOffset() + I] =
|
|
|
202 PlacementArgs[I];
|
|
|
203 if (IsParenTypeId)
|
|
|
204 getTrailingObjects<SourceRange>()[0] = TypeIdParens;
|
|
|
205
|
|
|
206 switch (getInitializationStyle()) {
|
|
|
207 case CallInit:
|
|
|
208 this->Range.setEnd(DirectInitRange.getEnd());
|
|
|
209 break;
|
|
|
210 case ListInit:
|
|
|
211 this->Range.setEnd(getInitializer()->getSourceRange().getEnd());
|
|
|
212 break;
|
|
|
213 default:
|
|
|
214 if (IsParenTypeId)
|
|
|
215 this->Range.setEnd(TypeIdParens.getEnd());
|
|
|
216 break;
|
|
|
217 }
|
|
173
|
218
|
|
|
219 setDependence(computeDependence(this));
|
|
150
|
220 }
|
|
|
221
|
|
|
222 CXXNewExpr::CXXNewExpr(EmptyShell Empty, bool IsArray,
|
|
|
223 unsigned NumPlacementArgs, bool IsParenTypeId)
|
|
|
224 : Expr(CXXNewExprClass, Empty) {
|
|
|
225 CXXNewExprBits.IsArray = IsArray;
|
|
|
226 CXXNewExprBits.NumPlacementArgs = NumPlacementArgs;
|
|
|
227 CXXNewExprBits.IsParenTypeId = IsParenTypeId;
|
|
|
228 }
|
|
|
229
|
|
|
230 CXXNewExpr *
|
|
|
231 CXXNewExpr::Create(const ASTContext &Ctx, bool IsGlobalNew,
|
|
|
232 FunctionDecl *OperatorNew, FunctionDecl *OperatorDelete,
|
|
|
233 bool ShouldPassAlignment, bool UsualArrayDeleteWantsSize,
|
|
|
234 ArrayRef<Expr *> PlacementArgs, SourceRange TypeIdParens,
|
|
|
235 Optional<Expr *> ArraySize,
|
|
|
236 InitializationStyle InitializationStyle, Expr *Initializer,
|
|
|
237 QualType Ty, TypeSourceInfo *AllocatedTypeInfo,
|
|
|
238 SourceRange Range, SourceRange DirectInitRange) {
|
|
|
239 bool IsArray = ArraySize.hasValue();
|
|
|
240 bool HasInit = Initializer != nullptr;
|
|
|
241 unsigned NumPlacementArgs = PlacementArgs.size();
|
|
|
242 bool IsParenTypeId = TypeIdParens.isValid();
|
|
|
243 void *Mem =
|
|
|
244 Ctx.Allocate(totalSizeToAlloc<Stmt *, SourceRange>(
|
|
|
245 IsArray + HasInit + NumPlacementArgs, IsParenTypeId),
|
|
|
246 alignof(CXXNewExpr));
|
|
|
247 return new (Mem)
|
|
|
248 CXXNewExpr(IsGlobalNew, OperatorNew, OperatorDelete, ShouldPassAlignment,
|
|
|
249 UsualArrayDeleteWantsSize, PlacementArgs, TypeIdParens,
|
|
|
250 ArraySize, InitializationStyle, Initializer, Ty,
|
|
|
251 AllocatedTypeInfo, Range, DirectInitRange);
|
|
|
252 }
|
|
|
253
|
|
|
254 CXXNewExpr *CXXNewExpr::CreateEmpty(const ASTContext &Ctx, bool IsArray,
|
|
|
255 bool HasInit, unsigned NumPlacementArgs,
|
|
|
256 bool IsParenTypeId) {
|
|
|
257 void *Mem =
|
|
|
258 Ctx.Allocate(totalSizeToAlloc<Stmt *, SourceRange>(
|
|
|
259 IsArray + HasInit + NumPlacementArgs, IsParenTypeId),
|
|
|
260 alignof(CXXNewExpr));
|
|
|
261 return new (Mem)
|
|
|
262 CXXNewExpr(EmptyShell(), IsArray, NumPlacementArgs, IsParenTypeId);
|
|
|
263 }
|
|
|
264
|
|
|
265 bool CXXNewExpr::shouldNullCheckAllocation() const {
|
|
|
266 return getOperatorNew()
|
|
|
267 ->getType()
|
|
|
268 ->castAs<FunctionProtoType>()
|
|
|
269 ->isNothrow() &&
|
|
|
270 !getOperatorNew()->isReservedGlobalPlacementOperator();
|
|
|
271 }
|
|
|
272
|
|
|
273 // CXXDeleteExpr
|
|
|
274 QualType CXXDeleteExpr::getDestroyedType() const {
|
|
|
275 const Expr *Arg = getArgument();
|
|
|
276
|
|
|
277 // For a destroying operator delete, we may have implicitly converted the
|
|
|
278 // pointer type to the type of the parameter of the 'operator delete'
|
|
|
279 // function.
|
|
|
280 while (const auto *ICE = dyn_cast<ImplicitCastExpr>(Arg)) {
|
|
|
281 if (ICE->getCastKind() == CK_DerivedToBase ||
|
|
|
282 ICE->getCastKind() == CK_UncheckedDerivedToBase ||
|
|
|
283 ICE->getCastKind() == CK_NoOp) {
|
|
|
284 assert((ICE->getCastKind() == CK_NoOp ||
|
|
|
285 getOperatorDelete()->isDestroyingOperatorDelete()) &&
|
|
|
286 "only a destroying operator delete can have a converted arg");
|
|
|
287 Arg = ICE->getSubExpr();
|
|
|
288 } else
|
|
|
289 break;
|
|
|
290 }
|
|
|
291
|
|
|
292 // The type-to-delete may not be a pointer if it's a dependent type.
|
|
|
293 const QualType ArgType = Arg->getType();
|
|
|
294
|
|
|
295 if (ArgType->isDependentType() && !ArgType->isPointerType())
|
|
|
296 return QualType();
|
|
|
297
|
|
|
298 return ArgType->castAs<PointerType>()->getPointeeType();
|
|
|
299 }
|
|
|
300
|
|
|
301 // CXXPseudoDestructorExpr
|
|
|
302 PseudoDestructorTypeStorage::PseudoDestructorTypeStorage(TypeSourceInfo *Info)
|
|
|
303 : Type(Info) {
|
|
|
304 Location = Info->getTypeLoc().getLocalSourceRange().getBegin();
|
|
|
305 }
|
|
|
306
|
|
173
|
307 CXXPseudoDestructorExpr::CXXPseudoDestructorExpr(
|
|
|
308 const ASTContext &Context, Expr *Base, bool isArrow,
|
|
|
309 SourceLocation OperatorLoc, NestedNameSpecifierLoc QualifierLoc,
|
|
|
310 TypeSourceInfo *ScopeType, SourceLocation ColonColonLoc,
|
|
|
311 SourceLocation TildeLoc, PseudoDestructorTypeStorage DestroyedType)
|
|
|
312 : Expr(CXXPseudoDestructorExprClass, Context.BoundMemberTy, VK_RValue,
|
|
|
313 OK_Ordinary),
|
|
|
314 Base(static_cast<Stmt *>(Base)), IsArrow(isArrow),
|
|
|
315 OperatorLoc(OperatorLoc), QualifierLoc(QualifierLoc),
|
|
|
316 ScopeType(ScopeType), ColonColonLoc(ColonColonLoc), TildeLoc(TildeLoc),
|
|
|
317 DestroyedType(DestroyedType) {
|
|
|
318 setDependence(computeDependence(this));
|
|
|
319 }
|
|
150
|
320
|
|
|
321 QualType CXXPseudoDestructorExpr::getDestroyedType() const {
|
|
|
322 if (TypeSourceInfo *TInfo = DestroyedType.getTypeSourceInfo())
|
|
|
323 return TInfo->getType();
|
|
|
324
|
|
|
325 return QualType();
|
|
|
326 }
|
|
|
327
|
|
|
328 SourceLocation CXXPseudoDestructorExpr::getEndLoc() const {
|
|
|
329 SourceLocation End = DestroyedType.getLocation();
|
|
|
330 if (TypeSourceInfo *TInfo = DestroyedType.getTypeSourceInfo())
|
|
|
331 End = TInfo->getTypeLoc().getLocalSourceRange().getEnd();
|
|
|
332 return End;
|
|
|
333 }
|
|
|
334
|
|
|
335 // UnresolvedLookupExpr
|
|
|
336 UnresolvedLookupExpr::UnresolvedLookupExpr(
|
|
|
337 const ASTContext &Context, CXXRecordDecl *NamingClass,
|
|
|
338 NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc,
|
|
|
339 const DeclarationNameInfo &NameInfo, bool RequiresADL, bool Overloaded,
|
|
|
340 const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin,
|
|
|
341 UnresolvedSetIterator End)
|
|
|
342 : OverloadExpr(UnresolvedLookupExprClass, Context, QualifierLoc,
|
|
|
343 TemplateKWLoc, NameInfo, TemplateArgs, Begin, End, false,
|
|
|
344 false, false),
|
|
|
345 NamingClass(NamingClass) {
|
|
|
346 UnresolvedLookupExprBits.RequiresADL = RequiresADL;
|
|
|
347 UnresolvedLookupExprBits.Overloaded = Overloaded;
|
|
|
348 }
|
|
|
349
|
|
|
350 UnresolvedLookupExpr::UnresolvedLookupExpr(EmptyShell Empty,
|
|
|
351 unsigned NumResults,
|
|
|
352 bool HasTemplateKWAndArgsInfo)
|
|
|
353 : OverloadExpr(UnresolvedLookupExprClass, Empty, NumResults,
|
|
|
354 HasTemplateKWAndArgsInfo) {}
|
|
|
355
|
|
|
356 UnresolvedLookupExpr *UnresolvedLookupExpr::Create(
|
|
|
357 const ASTContext &Context, CXXRecordDecl *NamingClass,
|
|
|
358 NestedNameSpecifierLoc QualifierLoc, const DeclarationNameInfo &NameInfo,
|
|
|
359 bool RequiresADL, bool Overloaded, UnresolvedSetIterator Begin,
|
|
|
360 UnresolvedSetIterator End) {
|
|
|
361 unsigned NumResults = End - Begin;
|
|
|
362 unsigned Size = totalSizeToAlloc<DeclAccessPair, ASTTemplateKWAndArgsInfo,
|
|
|
363 TemplateArgumentLoc>(NumResults, 0, 0);
|
|
|
364 void *Mem = Context.Allocate(Size, alignof(UnresolvedLookupExpr));
|
|
|
365 return new (Mem) UnresolvedLookupExpr(Context, NamingClass, QualifierLoc,
|
|
|
366 SourceLocation(), NameInfo, RequiresADL,
|
|
|
367 Overloaded, nullptr, Begin, End);
|
|
|
368 }
|
|
|
369
|
|
|
370 UnresolvedLookupExpr *UnresolvedLookupExpr::Create(
|
|
|
371 const ASTContext &Context, CXXRecordDecl *NamingClass,
|
|
|
372 NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc,
|
|
|
373 const DeclarationNameInfo &NameInfo, bool RequiresADL,
|
|
|
374 const TemplateArgumentListInfo *Args, UnresolvedSetIterator Begin,
|
|
|
375 UnresolvedSetIterator End) {
|
|
|
376 assert(Args || TemplateKWLoc.isValid());
|
|
|
377 unsigned NumResults = End - Begin;
|
|
|
378 unsigned NumTemplateArgs = Args ? Args->size() : 0;
|
|
|
379 unsigned Size =
|
|
|
380 totalSizeToAlloc<DeclAccessPair, ASTTemplateKWAndArgsInfo,
|
|
|
381 TemplateArgumentLoc>(NumResults, 1, NumTemplateArgs);
|
|
|
382 void *Mem = Context.Allocate(Size, alignof(UnresolvedLookupExpr));
|
|
|
383 return new (Mem) UnresolvedLookupExpr(Context, NamingClass, QualifierLoc,
|
|
|
384 TemplateKWLoc, NameInfo, RequiresADL,
|
|
|
385 /*Overloaded*/ true, Args, Begin, End);
|
|
|
386 }
|
|
|
387
|
|
|
388 UnresolvedLookupExpr *UnresolvedLookupExpr::CreateEmpty(
|
|
|
389 const ASTContext &Context, unsigned NumResults,
|
|
|
390 bool HasTemplateKWAndArgsInfo, unsigned NumTemplateArgs) {
|
|
|
391 assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
|
392 unsigned Size = totalSizeToAlloc<DeclAccessPair, ASTTemplateKWAndArgsInfo,
|
|
|
393 TemplateArgumentLoc>(
|
|
|
394 NumResults, HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
|
395 void *Mem = Context.Allocate(Size, alignof(UnresolvedLookupExpr));
|
|
|
396 return new (Mem)
|
|
|
397 UnresolvedLookupExpr(EmptyShell(), NumResults, HasTemplateKWAndArgsInfo);
|
|
|
398 }
|
|
|
399
|
|
|
400 OverloadExpr::OverloadExpr(StmtClass SC, const ASTContext &Context,
|
|
|
401 NestedNameSpecifierLoc QualifierLoc,
|
|
|
402 SourceLocation TemplateKWLoc,
|
|
|
403 const DeclarationNameInfo &NameInfo,
|
|
|
404 const TemplateArgumentListInfo *TemplateArgs,
|
|
|
405 UnresolvedSetIterator Begin,
|
|
|
406 UnresolvedSetIterator End, bool KnownDependent,
|
|
|
407 bool KnownInstantiationDependent,
|
|
|
408 bool KnownContainsUnexpandedParameterPack)
|
|
173
|
409 : Expr(SC, Context.OverloadTy, VK_LValue, OK_Ordinary), NameInfo(NameInfo),
|
|
|
410 QualifierLoc(QualifierLoc) {
|
|
150
|
411 unsigned NumResults = End - Begin;
|
|
|
412 OverloadExprBits.NumResults = NumResults;
|
|
|
413 OverloadExprBits.HasTemplateKWAndArgsInfo =
|
|
|
414 (TemplateArgs != nullptr ) || TemplateKWLoc.isValid();
|
|
|
415
|
|
|
416 if (NumResults) {
|
|
|
417 // Copy the results to the trailing array past UnresolvedLookupExpr
|
|
|
418 // or UnresolvedMemberExpr.
|
|
|
419 DeclAccessPair *Results = getTrailingResults();
|
|
|
420 memcpy(Results, Begin.I, NumResults * sizeof(DeclAccessPair));
|
|
|
421 }
|
|
|
422
|
|
|
423 if (TemplateArgs) {
|
|
173
|
424 auto Deps = TemplateArgumentDependence::None;
|
|
150
|
425 getTrailingASTTemplateKWAndArgsInfo()->initializeFrom(
|
|
173
|
426 TemplateKWLoc, *TemplateArgs, getTrailingTemplateArgumentLoc(), Deps);
|
|
150
|
427 } else if (TemplateKWLoc.isValid()) {
|
|
|
428 getTrailingASTTemplateKWAndArgsInfo()->initializeFrom(TemplateKWLoc);
|
|
|
429 }
|
|
|
430
|
|
173
|
431 setDependence(computeDependence(this, KnownDependent,
|
|
|
432 KnownInstantiationDependent,
|
|
|
433 KnownContainsUnexpandedParameterPack));
|
|
150
|
434 if (isTypeDependent())
|
|
|
435 setType(Context.DependentTy);
|
|
|
436 }
|
|
|
437
|
|
|
438 OverloadExpr::OverloadExpr(StmtClass SC, EmptyShell Empty, unsigned NumResults,
|
|
|
439 bool HasTemplateKWAndArgsInfo)
|
|
|
440 : Expr(SC, Empty) {
|
|
|
441 OverloadExprBits.NumResults = NumResults;
|
|
|
442 OverloadExprBits.HasTemplateKWAndArgsInfo = HasTemplateKWAndArgsInfo;
|
|
|
443 }
|
|
|
444
|
|
|
445 // DependentScopeDeclRefExpr
|
|
|
446 DependentScopeDeclRefExpr::DependentScopeDeclRefExpr(
|
|
|
447 QualType Ty, NestedNameSpecifierLoc QualifierLoc,
|
|
|
448 SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo,
|
|
|
449 const TemplateArgumentListInfo *Args)
|
|
173
|
450 : Expr(DependentScopeDeclRefExprClass, Ty, VK_LValue, OK_Ordinary),
|
|
150
|
451 QualifierLoc(QualifierLoc), NameInfo(NameInfo) {
|
|
|
452 DependentScopeDeclRefExprBits.HasTemplateKWAndArgsInfo =
|
|
|
453 (Args != nullptr) || TemplateKWLoc.isValid();
|
|
|
454 if (Args) {
|
|
173
|
455 auto Deps = TemplateArgumentDependence::None;
|
|
150
|
456 getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
173
|
457 TemplateKWLoc, *Args, getTrailingObjects<TemplateArgumentLoc>(), Deps);
|
|
150
|
458 } else if (TemplateKWLoc.isValid()) {
|
|
|
459 getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
|
460 TemplateKWLoc);
|
|
|
461 }
|
|
173
|
462 setDependence(computeDependence(this));
|
|
150
|
463 }
|
|
|
464
|
|
|
465 DependentScopeDeclRefExpr *DependentScopeDeclRefExpr::Create(
|
|
|
466 const ASTContext &Context, NestedNameSpecifierLoc QualifierLoc,
|
|
|
467 SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo,
|
|
|
468 const TemplateArgumentListInfo *Args) {
|
|
|
469 assert(QualifierLoc && "should be created for dependent qualifiers");
|
|
|
470 bool HasTemplateKWAndArgsInfo = Args || TemplateKWLoc.isValid();
|
|
|
471 std::size_t Size =
|
|
|
472 totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
|
473 HasTemplateKWAndArgsInfo, Args ? Args->size() : 0);
|
|
|
474 void *Mem = Context.Allocate(Size);
|
|
|
475 return new (Mem) DependentScopeDeclRefExpr(Context.DependentTy, QualifierLoc,
|
|
|
476 TemplateKWLoc, NameInfo, Args);
|
|
|
477 }
|
|
|
478
|
|
|
479 DependentScopeDeclRefExpr *
|
|
|
480 DependentScopeDeclRefExpr::CreateEmpty(const ASTContext &Context,
|
|
|
481 bool HasTemplateKWAndArgsInfo,
|
|
|
482 unsigned NumTemplateArgs) {
|
|
|
483 assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
|
484 std::size_t Size =
|
|
|
485 totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
|
486 HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
|
487 void *Mem = Context.Allocate(Size);
|
|
|
488 auto *E = new (Mem) DependentScopeDeclRefExpr(
|
|
|
489 QualType(), NestedNameSpecifierLoc(), SourceLocation(),
|
|
|
490 DeclarationNameInfo(), nullptr);
|
|
|
491 E->DependentScopeDeclRefExprBits.HasTemplateKWAndArgsInfo =
|
|
|
492 HasTemplateKWAndArgsInfo;
|
|
|
493 return E;
|
|
|
494 }
|
|
|
495
|
|
|
496 SourceLocation CXXConstructExpr::getBeginLoc() const {
|
|
|
497 if (isa<CXXTemporaryObjectExpr>(this))
|
|
|
498 return cast<CXXTemporaryObjectExpr>(this)->getBeginLoc();
|
|
|
499 return getLocation();
|
|
|
500 }
|
|
|
501
|
|
|
502 SourceLocation CXXConstructExpr::getEndLoc() const {
|
|
|
503 if (isa<CXXTemporaryObjectExpr>(this))
|
|
|
504 return cast<CXXTemporaryObjectExpr>(this)->getEndLoc();
|
|
|
505
|
|
|
506 if (ParenOrBraceRange.isValid())
|
|
|
507 return ParenOrBraceRange.getEnd();
|
|
|
508
|
|
|
509 SourceLocation End = getLocation();
|
|
|
510 for (unsigned I = getNumArgs(); I > 0; --I) {
|
|
|
511 const Expr *Arg = getArg(I-1);
|
|
|
512 if (!Arg->isDefaultArgument()) {
|
|
|
513 SourceLocation NewEnd = Arg->getEndLoc();
|
|
|
514 if (NewEnd.isValid()) {
|
|
|
515 End = NewEnd;
|
|
|
516 break;
|
|
|
517 }
|
|
|
518 }
|
|
|
519 }
|
|
|
520
|
|
|
521 return End;
|
|
|
522 }
|
|
|
523
|
|
|
524 CXXOperatorCallExpr::CXXOperatorCallExpr(OverloadedOperatorKind OpKind,
|
|
|
525 Expr *Fn, ArrayRef<Expr *> Args,
|
|
|
526 QualType Ty, ExprValueKind VK,
|
|
|
527 SourceLocation OperatorLoc,
|
|
|
528 FPOptions FPFeatures,
|
|
|
529 ADLCallKind UsesADL)
|
|
|
530 : CallExpr(CXXOperatorCallExprClass, Fn, /*PreArgs=*/{}, Args, Ty, VK,
|
|
|
531 OperatorLoc, /*MinNumArgs=*/0, UsesADL) {
|
|
|
532 CXXOperatorCallExprBits.OperatorKind = OpKind;
|
|
173
|
533 CXXOperatorCallExprBits.FPFeatures = FPFeatures.getAsOpaqueInt();
|
|
150
|
534 assert(
|
|
|
535 (CXXOperatorCallExprBits.OperatorKind == static_cast<unsigned>(OpKind)) &&
|
|
|
536 "OperatorKind overflow!");
|
|
173
|
537 assert((CXXOperatorCallExprBits.FPFeatures == FPFeatures.getAsOpaqueInt()) &&
|
|
150
|
538 "FPFeatures overflow!");
|
|
|
539 Range = getSourceRangeImpl();
|
|
|
540 }
|
|
|
541
|
|
|
542 CXXOperatorCallExpr::CXXOperatorCallExpr(unsigned NumArgs, EmptyShell Empty)
|
|
|
543 : CallExpr(CXXOperatorCallExprClass, /*NumPreArgs=*/0, NumArgs, Empty) {}
|
|
|
544
|
|
|
545 CXXOperatorCallExpr *CXXOperatorCallExpr::Create(
|
|
|
546 const ASTContext &Ctx, OverloadedOperatorKind OpKind, Expr *Fn,
|
|
|
547 ArrayRef<Expr *> Args, QualType Ty, ExprValueKind VK,
|
|
|
548 SourceLocation OperatorLoc, FPOptions FPFeatures, ADLCallKind UsesADL) {
|
|
|
549 // Allocate storage for the trailing objects of CallExpr.
|
|
|
550 unsigned NumArgs = Args.size();
|
|
|
551 unsigned SizeOfTrailingObjects =
|
|
|
552 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs);
|
|
|
553 void *Mem = Ctx.Allocate(sizeof(CXXOperatorCallExpr) + SizeOfTrailingObjects,
|
|
|
554 alignof(CXXOperatorCallExpr));
|
|
|
555 return new (Mem) CXXOperatorCallExpr(OpKind, Fn, Args, Ty, VK, OperatorLoc,
|
|
|
556 FPFeatures, UsesADL);
|
|
|
557 }
|
|
|
558
|
|
|
559 CXXOperatorCallExpr *CXXOperatorCallExpr::CreateEmpty(const ASTContext &Ctx,
|
|
|
560 unsigned NumArgs,
|
|
|
561 EmptyShell Empty) {
|
|
|
562 // Allocate storage for the trailing objects of CallExpr.
|
|
|
563 unsigned SizeOfTrailingObjects =
|
|
|
564 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs);
|
|
|
565 void *Mem = Ctx.Allocate(sizeof(CXXOperatorCallExpr) + SizeOfTrailingObjects,
|
|
|
566 alignof(CXXOperatorCallExpr));
|
|
|
567 return new (Mem) CXXOperatorCallExpr(NumArgs, Empty);
|
|
|
568 }
|
|
|
569
|
|
|
570 SourceRange CXXOperatorCallExpr::getSourceRangeImpl() const {
|
|
|
571 OverloadedOperatorKind Kind = getOperator();
|
|
|
572 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
|
|
|
573 if (getNumArgs() == 1)
|
|
|
574 // Prefix operator
|
|
|
575 return SourceRange(getOperatorLoc(), getArg(0)->getEndLoc());
|
|
|
576 else
|
|
|
577 // Postfix operator
|
|
|
578 return SourceRange(getArg(0)->getBeginLoc(), getOperatorLoc());
|
|
|
579 } else if (Kind == OO_Arrow) {
|
|
173
|
580 return SourceRange(getArg(0)->getBeginLoc(), getOperatorLoc());
|
|
150
|
581 } else if (Kind == OO_Call) {
|
|
|
582 return SourceRange(getArg(0)->getBeginLoc(), getRParenLoc());
|
|
|
583 } else if (Kind == OO_Subscript) {
|
|
|
584 return SourceRange(getArg(0)->getBeginLoc(), getRParenLoc());
|
|
|
585 } else if (getNumArgs() == 1) {
|
|
|
586 return SourceRange(getOperatorLoc(), getArg(0)->getEndLoc());
|
|
|
587 } else if (getNumArgs() == 2) {
|
|
|
588 return SourceRange(getArg(0)->getBeginLoc(), getArg(1)->getEndLoc());
|
|
|
589 } else {
|
|
|
590 return getOperatorLoc();
|
|
|
591 }
|
|
|
592 }
|
|
|
593
|
|
|
594 CXXMemberCallExpr::CXXMemberCallExpr(Expr *Fn, ArrayRef<Expr *> Args,
|
|
|
595 QualType Ty, ExprValueKind VK,
|
|
|
596 SourceLocation RP, unsigned MinNumArgs)
|
|
|
597 : CallExpr(CXXMemberCallExprClass, Fn, /*PreArgs=*/{}, Args, Ty, VK, RP,
|
|
|
598 MinNumArgs, NotADL) {}
|
|
|
599
|
|
|
600 CXXMemberCallExpr::CXXMemberCallExpr(unsigned NumArgs, EmptyShell Empty)
|
|
|
601 : CallExpr(CXXMemberCallExprClass, /*NumPreArgs=*/0, NumArgs, Empty) {}
|
|
|
602
|
|
|
603 CXXMemberCallExpr *CXXMemberCallExpr::Create(const ASTContext &Ctx, Expr *Fn,
|
|
|
604 ArrayRef<Expr *> Args, QualType Ty,
|
|
|
605 ExprValueKind VK,
|
|
|
606 SourceLocation RP,
|
|
|
607 unsigned MinNumArgs) {
|
|
|
608 // Allocate storage for the trailing objects of CallExpr.
|
|
|
609 unsigned NumArgs = std::max<unsigned>(Args.size(), MinNumArgs);
|
|
|
610 unsigned SizeOfTrailingObjects =
|
|
|
611 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs);
|
|
|
612 void *Mem = Ctx.Allocate(sizeof(CXXMemberCallExpr) + SizeOfTrailingObjects,
|
|
|
613 alignof(CXXMemberCallExpr));
|
|
|
614 return new (Mem) CXXMemberCallExpr(Fn, Args, Ty, VK, RP, MinNumArgs);
|
|
|
615 }
|
|
|
616
|
|
|
617 CXXMemberCallExpr *CXXMemberCallExpr::CreateEmpty(const ASTContext &Ctx,
|
|
|
618 unsigned NumArgs,
|
|
|
619 EmptyShell Empty) {
|
|
|
620 // Allocate storage for the trailing objects of CallExpr.
|
|
|
621 unsigned SizeOfTrailingObjects =
|
|
|
622 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs);
|
|
|
623 void *Mem = Ctx.Allocate(sizeof(CXXMemberCallExpr) + SizeOfTrailingObjects,
|
|
|
624 alignof(CXXMemberCallExpr));
|
|
|
625 return new (Mem) CXXMemberCallExpr(NumArgs, Empty);
|
|
|
626 }
|
|
|
627
|
|
|
628 Expr *CXXMemberCallExpr::getImplicitObjectArgument() const {
|
|
|
629 const Expr *Callee = getCallee()->IgnoreParens();
|
|
|
630 if (const auto *MemExpr = dyn_cast<MemberExpr>(Callee))
|
|
|
631 return MemExpr->getBase();
|
|
|
632 if (const auto *BO = dyn_cast<BinaryOperator>(Callee))
|
|
|
633 if (BO->getOpcode() == BO_PtrMemD || BO->getOpcode() == BO_PtrMemI)
|
|
|
634 return BO->getLHS();
|
|
|
635
|
|
|
636 // FIXME: Will eventually need to cope with member pointers.
|
|
|
637 return nullptr;
|
|
|
638 }
|
|
|
639
|
|
|
640 QualType CXXMemberCallExpr::getObjectType() const {
|
|
|
641 QualType Ty = getImplicitObjectArgument()->getType();
|
|
|
642 if (Ty->isPointerType())
|
|
|
643 Ty = Ty->getPointeeType();
|
|
|
644 return Ty;
|
|
|
645 }
|
|
|
646
|
|
|
647 CXXMethodDecl *CXXMemberCallExpr::getMethodDecl() const {
|
|
|
648 if (const auto *MemExpr = dyn_cast<MemberExpr>(getCallee()->IgnoreParens()))
|
|
|
649 return cast<CXXMethodDecl>(MemExpr->getMemberDecl());
|
|
|
650
|
|
|
651 // FIXME: Will eventually need to cope with member pointers.
|
|
|
652 return nullptr;
|
|
|
653 }
|
|
|
654
|
|
|
655 CXXRecordDecl *CXXMemberCallExpr::getRecordDecl() const {
|
|
|
656 Expr* ThisArg = getImplicitObjectArgument();
|
|
|
657 if (!ThisArg)
|
|
|
658 return nullptr;
|
|
|
659
|
|
|
660 if (ThisArg->getType()->isAnyPointerType())
|
|
|
661 return ThisArg->getType()->getPointeeType()->getAsCXXRecordDecl();
|
|
|
662
|
|
|
663 return ThisArg->getType()->getAsCXXRecordDecl();
|
|
|
664 }
|
|
|
665
|
|
|
666 //===----------------------------------------------------------------------===//
|
|
|
667 // Named casts
|
|
|
668 //===----------------------------------------------------------------------===//
|
|
|
669
|
|
|
670 /// getCastName - Get the name of the C++ cast being used, e.g.,
|
|
|
671 /// "static_cast", "dynamic_cast", "reinterpret_cast", or
|
|
|
672 /// "const_cast". The returned pointer must not be freed.
|
|
|
673 const char *CXXNamedCastExpr::getCastName() const {
|
|
|
674 switch (getStmtClass()) {
|
|
|
675 case CXXStaticCastExprClass: return "static_cast";
|
|
|
676 case CXXDynamicCastExprClass: return "dynamic_cast";
|
|
|
677 case CXXReinterpretCastExprClass: return "reinterpret_cast";
|
|
|
678 case CXXConstCastExprClass: return "const_cast";
|
|
173
|
679 case CXXAddrspaceCastExprClass: return "addrspace_cast";
|
|
150
|
680 default: return "<invalid cast>";
|
|
|
681 }
|
|
|
682 }
|
|
|
683
|
|
|
684 CXXStaticCastExpr *CXXStaticCastExpr::Create(const ASTContext &C, QualType T,
|
|
|
685 ExprValueKind VK,
|
|
|
686 CastKind K, Expr *Op,
|
|
|
687 const CXXCastPath *BasePath,
|
|
|
688 TypeSourceInfo *WrittenTy,
|
|
|
689 SourceLocation L,
|
|
|
690 SourceLocation RParenLoc,
|
|
|
691 SourceRange AngleBrackets) {
|
|
|
692 unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
|
693 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
694 auto *E =
|
|
|
695 new (Buffer) CXXStaticCastExpr(T, VK, K, Op, PathSize, WrittenTy, L,
|
|
|
696 RParenLoc, AngleBrackets);
|
|
|
697 if (PathSize)
|
|
|
698 std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
|
699 E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
|
700 return E;
|
|
|
701 }
|
|
|
702
|
|
|
703 CXXStaticCastExpr *CXXStaticCastExpr::CreateEmpty(const ASTContext &C,
|
|
|
704 unsigned PathSize) {
|
|
|
705 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
706 return new (Buffer) CXXStaticCastExpr(EmptyShell(), PathSize);
|
|
|
707 }
|
|
|
708
|
|
|
709 CXXDynamicCastExpr *CXXDynamicCastExpr::Create(const ASTContext &C, QualType T,
|
|
|
710 ExprValueKind VK,
|
|
|
711 CastKind K, Expr *Op,
|
|
|
712 const CXXCastPath *BasePath,
|
|
|
713 TypeSourceInfo *WrittenTy,
|
|
|
714 SourceLocation L,
|
|
|
715 SourceLocation RParenLoc,
|
|
|
716 SourceRange AngleBrackets) {
|
|
|
717 unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
|
718 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
719 auto *E =
|
|
|
720 new (Buffer) CXXDynamicCastExpr(T, VK, K, Op, PathSize, WrittenTy, L,
|
|
|
721 RParenLoc, AngleBrackets);
|
|
|
722 if (PathSize)
|
|
|
723 std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
|
724 E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
|
725 return E;
|
|
|
726 }
|
|
|
727
|
|
|
728 CXXDynamicCastExpr *CXXDynamicCastExpr::CreateEmpty(const ASTContext &C,
|
|
|
729 unsigned PathSize) {
|
|
|
730 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
731 return new (Buffer) CXXDynamicCastExpr(EmptyShell(), PathSize);
|
|
|
732 }
|
|
|
733
|
|
|
734 /// isAlwaysNull - Return whether the result of the dynamic_cast is proven
|
|
|
735 /// to always be null. For example:
|
|
|
736 ///
|
|
|
737 /// struct A { };
|
|
|
738 /// struct B final : A { };
|
|
|
739 /// struct C { };
|
|
|
740 ///
|
|
|
741 /// C *f(B* b) { return dynamic_cast<C*>(b); }
|
|
|
742 bool CXXDynamicCastExpr::isAlwaysNull() const
|
|
|
743 {
|
|
|
744 QualType SrcType = getSubExpr()->getType();
|
|
|
745 QualType DestType = getType();
|
|
|
746
|
|
|
747 if (const auto *SrcPTy = SrcType->getAs<PointerType>()) {
|
|
|
748 SrcType = SrcPTy->getPointeeType();
|
|
|
749 DestType = DestType->castAs<PointerType>()->getPointeeType();
|
|
|
750 }
|
|
|
751
|
|
|
752 if (DestType->isVoidType())
|
|
|
753 return false;
|
|
|
754
|
|
|
755 const auto *SrcRD =
|
|
|
756 cast<CXXRecordDecl>(SrcType->castAs<RecordType>()->getDecl());
|
|
|
757
|
|
|
758 if (!SrcRD->hasAttr<FinalAttr>())
|
|
|
759 return false;
|
|
|
760
|
|
|
761 const auto *DestRD =
|
|
|
762 cast<CXXRecordDecl>(DestType->castAs<RecordType>()->getDecl());
|
|
|
763
|
|
|
764 return !DestRD->isDerivedFrom(SrcRD);
|
|
|
765 }
|
|
|
766
|
|
|
767 CXXReinterpretCastExpr *
|
|
|
768 CXXReinterpretCastExpr::Create(const ASTContext &C, QualType T,
|
|
|
769 ExprValueKind VK, CastKind K, Expr *Op,
|
|
|
770 const CXXCastPath *BasePath,
|
|
|
771 TypeSourceInfo *WrittenTy, SourceLocation L,
|
|
|
772 SourceLocation RParenLoc,
|
|
|
773 SourceRange AngleBrackets) {
|
|
|
774 unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
|
775 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
776 auto *E =
|
|
|
777 new (Buffer) CXXReinterpretCastExpr(T, VK, K, Op, PathSize, WrittenTy, L,
|
|
|
778 RParenLoc, AngleBrackets);
|
|
|
779 if (PathSize)
|
|
|
780 std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
|
781 E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
|
782 return E;
|
|
|
783 }
|
|
|
784
|
|
|
785 CXXReinterpretCastExpr *
|
|
|
786 CXXReinterpretCastExpr::CreateEmpty(const ASTContext &C, unsigned PathSize) {
|
|
|
787 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
788 return new (Buffer) CXXReinterpretCastExpr(EmptyShell(), PathSize);
|
|
|
789 }
|
|
|
790
|
|
|
791 CXXConstCastExpr *CXXConstCastExpr::Create(const ASTContext &C, QualType T,
|
|
|
792 ExprValueKind VK, Expr *Op,
|
|
|
793 TypeSourceInfo *WrittenTy,
|
|
|
794 SourceLocation L,
|
|
|
795 SourceLocation RParenLoc,
|
|
|
796 SourceRange AngleBrackets) {
|
|
|
797 return new (C) CXXConstCastExpr(T, VK, Op, WrittenTy, L, RParenLoc, AngleBrackets);
|
|
|
798 }
|
|
|
799
|
|
|
800 CXXConstCastExpr *CXXConstCastExpr::CreateEmpty(const ASTContext &C) {
|
|
|
801 return new (C) CXXConstCastExpr(EmptyShell());
|
|
|
802 }
|
|
|
803
|
|
173
|
804 CXXAddrspaceCastExpr *
|
|
|
805 CXXAddrspaceCastExpr::Create(const ASTContext &C, QualType T, ExprValueKind VK,
|
|
|
806 CastKind K, Expr *Op, TypeSourceInfo *WrittenTy,
|
|
|
807 SourceLocation L, SourceLocation RParenLoc,
|
|
|
808 SourceRange AngleBrackets) {
|
|
|
809 return new (C) CXXAddrspaceCastExpr(T, VK, K, Op, WrittenTy, L, RParenLoc,
|
|
|
810 AngleBrackets);
|
|
|
811 }
|
|
|
812
|
|
|
813 CXXAddrspaceCastExpr *CXXAddrspaceCastExpr::CreateEmpty(const ASTContext &C) {
|
|
|
814 return new (C) CXXAddrspaceCastExpr(EmptyShell());
|
|
|
815 }
|
|
|
816
|
|
150
|
817 CXXFunctionalCastExpr *
|
|
|
818 CXXFunctionalCastExpr::Create(const ASTContext &C, QualType T, ExprValueKind VK,
|
|
|
819 TypeSourceInfo *Written, CastKind K, Expr *Op,
|
|
|
820 const CXXCastPath *BasePath,
|
|
|
821 SourceLocation L, SourceLocation R) {
|
|
|
822 unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
|
823 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
824 auto *E =
|
|
|
825 new (Buffer) CXXFunctionalCastExpr(T, VK, Written, K, Op, PathSize, L, R);
|
|
|
826 if (PathSize)
|
|
|
827 std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
|
828 E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
|
829 return E;
|
|
|
830 }
|
|
|
831
|
|
|
832 CXXFunctionalCastExpr *
|
|
|
833 CXXFunctionalCastExpr::CreateEmpty(const ASTContext &C, unsigned PathSize) {
|
|
|
834 void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
|
835 return new (Buffer) CXXFunctionalCastExpr(EmptyShell(), PathSize);
|
|
|
836 }
|
|
|
837
|
|
|
838 SourceLocation CXXFunctionalCastExpr::getBeginLoc() const {
|
|
|
839 return getTypeInfoAsWritten()->getTypeLoc().getBeginLoc();
|
|
|
840 }
|
|
|
841
|
|
|
842 SourceLocation CXXFunctionalCastExpr::getEndLoc() const {
|
|
|
843 return RParenLoc.isValid() ? RParenLoc : getSubExpr()->getEndLoc();
|
|
|
844 }
|
|
|
845
|
|
|
846 UserDefinedLiteral::UserDefinedLiteral(Expr *Fn, ArrayRef<Expr *> Args,
|
|
|
847 QualType Ty, ExprValueKind VK,
|
|
|
848 SourceLocation LitEndLoc,
|
|
|
849 SourceLocation SuffixLoc)
|
|
|
850 : CallExpr(UserDefinedLiteralClass, Fn, /*PreArgs=*/{}, Args, Ty, VK,
|
|
|
851 LitEndLoc, /*MinNumArgs=*/0, NotADL),
|
|
|
852 UDSuffixLoc(SuffixLoc) {}
|
|
|
853
|
|
|
854 UserDefinedLiteral::UserDefinedLiteral(unsigned NumArgs, EmptyShell Empty)
|
|
|
855 : CallExpr(UserDefinedLiteralClass, /*NumPreArgs=*/0, NumArgs, Empty) {}
|
|
|
856
|
|
|
857 UserDefinedLiteral *UserDefinedLiteral::Create(const ASTContext &Ctx, Expr *Fn,
|
|
|
858 ArrayRef<Expr *> Args,
|
|
|
859 QualType Ty, ExprValueKind VK,
|
|
|
860 SourceLocation LitEndLoc,
|
|
|
861 SourceLocation SuffixLoc) {
|
|
|
862 // Allocate storage for the trailing objects of CallExpr.
|
|
|
863 unsigned NumArgs = Args.size();
|
|
|
864 unsigned SizeOfTrailingObjects =
|
|
|
865 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs);
|
|
|
866 void *Mem = Ctx.Allocate(sizeof(UserDefinedLiteral) + SizeOfTrailingObjects,
|
|
|
867 alignof(UserDefinedLiteral));
|
|
|
868 return new (Mem) UserDefinedLiteral(Fn, Args, Ty, VK, LitEndLoc, SuffixLoc);
|
|
|
869 }
|
|
|
870
|
|
|
871 UserDefinedLiteral *UserDefinedLiteral::CreateEmpty(const ASTContext &Ctx,
|
|
|
872 unsigned NumArgs,
|
|
|
873 EmptyShell Empty) {
|
|
|
874 // Allocate storage for the trailing objects of CallExpr.
|
|
|
875 unsigned SizeOfTrailingObjects =
|
|
|
876 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs);
|
|
|
877 void *Mem = Ctx.Allocate(sizeof(UserDefinedLiteral) + SizeOfTrailingObjects,
|
|
|
878 alignof(UserDefinedLiteral));
|
|
|
879 return new (Mem) UserDefinedLiteral(NumArgs, Empty);
|
|
|
880 }
|
|
|
881
|
|
|
882 UserDefinedLiteral::LiteralOperatorKind
|
|
|
883 UserDefinedLiteral::getLiteralOperatorKind() const {
|
|
|
884 if (getNumArgs() == 0)
|
|
|
885 return LOK_Template;
|
|
|
886 if (getNumArgs() == 2)
|
|
|
887 return LOK_String;
|
|
|
888
|
|
|
889 assert(getNumArgs() == 1 && "unexpected #args in literal operator call");
|
|
|
890 QualType ParamTy =
|
|
|
891 cast<FunctionDecl>(getCalleeDecl())->getParamDecl(0)->getType();
|
|
|
892 if (ParamTy->isPointerType())
|
|
|
893 return LOK_Raw;
|
|
|
894 if (ParamTy->isAnyCharacterType())
|
|
|
895 return LOK_Character;
|
|
|
896 if (ParamTy->isIntegerType())
|
|
|
897 return LOK_Integer;
|
|
|
898 if (ParamTy->isFloatingType())
|
|
|
899 return LOK_Floating;
|
|
|
900
|
|
|
901 llvm_unreachable("unknown kind of literal operator");
|
|
|
902 }
|
|
|
903
|
|
|
904 Expr *UserDefinedLiteral::getCookedLiteral() {
|
|
|
905 #ifndef NDEBUG
|
|
|
906 LiteralOperatorKind LOK = getLiteralOperatorKind();
|
|
|
907 assert(LOK != LOK_Template && LOK != LOK_Raw && "not a cooked literal");
|
|
|
908 #endif
|
|
|
909 return getArg(0);
|
|
|
910 }
|
|
|
911
|
|
|
912 const IdentifierInfo *UserDefinedLiteral::getUDSuffix() const {
|
|
|
913 return cast<FunctionDecl>(getCalleeDecl())->getLiteralIdentifier();
|
|
|
914 }
|
|
|
915
|
|
173
|
916 CXXDefaultInitExpr::CXXDefaultInitExpr(const ASTContext &Ctx,
|
|
|
917 SourceLocation Loc, FieldDecl *Field,
|
|
|
918 QualType Ty, DeclContext *UsedContext)
|
|
150
|
919 : Expr(CXXDefaultInitExprClass, Ty.getNonLValueExprType(Ctx),
|
|
173
|
920 Ty->isLValueReferenceType()
|
|
|
921 ? VK_LValue
|
|
|
922 : Ty->isRValueReferenceType() ? VK_XValue : VK_RValue,
|
|
|
923 /*FIXME*/ OK_Ordinary),
|
|
150
|
924 Field(Field), UsedContext(UsedContext) {
|
|
|
925 CXXDefaultInitExprBits.Loc = Loc;
|
|
|
926 assert(Field->hasInClassInitializer());
|
|
173
|
927
|
|
|
928 setDependence(ExprDependence::None);
|
|
150
|
929 }
|
|
|
930
|
|
|
931 CXXTemporary *CXXTemporary::Create(const ASTContext &C,
|
|
|
932 const CXXDestructorDecl *Destructor) {
|
|
|
933 return new (C) CXXTemporary(Destructor);
|
|
|
934 }
|
|
|
935
|
|
|
936 CXXBindTemporaryExpr *CXXBindTemporaryExpr::Create(const ASTContext &C,
|
|
|
937 CXXTemporary *Temp,
|
|
|
938 Expr* SubExpr) {
|
|
|
939 assert((SubExpr->getType()->isRecordType() ||
|
|
|
940 SubExpr->getType()->isArrayType()) &&
|
|
|
941 "Expression bound to a temporary must have record or array type!");
|
|
|
942
|
|
|
943 return new (C) CXXBindTemporaryExpr(Temp, SubExpr);
|
|
|
944 }
|
|
|
945
|
|
|
946 CXXTemporaryObjectExpr::CXXTemporaryObjectExpr(
|
|
|
947 CXXConstructorDecl *Cons, QualType Ty, TypeSourceInfo *TSI,
|
|
|
948 ArrayRef<Expr *> Args, SourceRange ParenOrBraceRange,
|
|
|
949 bool HadMultipleCandidates, bool ListInitialization,
|
|
|
950 bool StdInitListInitialization, bool ZeroInitialization)
|
|
|
951 : CXXConstructExpr(
|
|
|
952 CXXTemporaryObjectExprClass, Ty, TSI->getTypeLoc().getBeginLoc(),
|
|
|
953 Cons, /* Elidable=*/false, Args, HadMultipleCandidates,
|
|
|
954 ListInitialization, StdInitListInitialization, ZeroInitialization,
|
|
|
955 CXXConstructExpr::CK_Complete, ParenOrBraceRange),
|
|
|
956 TSI(TSI) {}
|
|
|
957
|
|
|
958 CXXTemporaryObjectExpr::CXXTemporaryObjectExpr(EmptyShell Empty,
|
|
|
959 unsigned NumArgs)
|
|
|
960 : CXXConstructExpr(CXXTemporaryObjectExprClass, Empty, NumArgs) {}
|
|
|
961
|
|
|
962 CXXTemporaryObjectExpr *CXXTemporaryObjectExpr::Create(
|
|
|
963 const ASTContext &Ctx, CXXConstructorDecl *Cons, QualType Ty,
|
|
|
964 TypeSourceInfo *TSI, ArrayRef<Expr *> Args, SourceRange ParenOrBraceRange,
|
|
|
965 bool HadMultipleCandidates, bool ListInitialization,
|
|
|
966 bool StdInitListInitialization, bool ZeroInitialization) {
|
|
|
967 unsigned SizeOfTrailingObjects = sizeOfTrailingObjects(Args.size());
|
|
|
968 void *Mem =
|
|
|
969 Ctx.Allocate(sizeof(CXXTemporaryObjectExpr) + SizeOfTrailingObjects,
|
|
|
970 alignof(CXXTemporaryObjectExpr));
|
|
|
971 return new (Mem) CXXTemporaryObjectExpr(
|
|
|
972 Cons, Ty, TSI, Args, ParenOrBraceRange, HadMultipleCandidates,
|
|
|
973 ListInitialization, StdInitListInitialization, ZeroInitialization);
|
|
|
974 }
|
|
|
975
|
|
|
976 CXXTemporaryObjectExpr *
|
|
|
977 CXXTemporaryObjectExpr::CreateEmpty(const ASTContext &Ctx, unsigned NumArgs) {
|
|
|
978 unsigned SizeOfTrailingObjects = sizeOfTrailingObjects(NumArgs);
|
|
|
979 void *Mem =
|
|
|
980 Ctx.Allocate(sizeof(CXXTemporaryObjectExpr) + SizeOfTrailingObjects,
|
|
|
981 alignof(CXXTemporaryObjectExpr));
|
|
|
982 return new (Mem) CXXTemporaryObjectExpr(EmptyShell(), NumArgs);
|
|
|
983 }
|
|
|
984
|
|
|
985 SourceLocation CXXTemporaryObjectExpr::getBeginLoc() const {
|
|
|
986 return getTypeSourceInfo()->getTypeLoc().getBeginLoc();
|
|
|
987 }
|
|
|
988
|
|
|
989 SourceLocation CXXTemporaryObjectExpr::getEndLoc() const {
|
|
|
990 SourceLocation Loc = getParenOrBraceRange().getEnd();
|
|
|
991 if (Loc.isInvalid() && getNumArgs())
|
|
|
992 Loc = getArg(getNumArgs() - 1)->getEndLoc();
|
|
|
993 return Loc;
|
|
|
994 }
|
|
|
995
|
|
|
996 CXXConstructExpr *CXXConstructExpr::Create(
|
|
|
997 const ASTContext &Ctx, QualType Ty, SourceLocation Loc,
|
|
|
998 CXXConstructorDecl *Ctor, bool Elidable, ArrayRef<Expr *> Args,
|
|
|
999 bool HadMultipleCandidates, bool ListInitialization,
|
|
|
1000 bool StdInitListInitialization, bool ZeroInitialization,
|
|
|
1001 ConstructionKind ConstructKind, SourceRange ParenOrBraceRange) {
|
|
|
1002 unsigned SizeOfTrailingObjects = sizeOfTrailingObjects(Args.size());
|
|
|
1003 void *Mem = Ctx.Allocate(sizeof(CXXConstructExpr) + SizeOfTrailingObjects,
|
|
|
1004 alignof(CXXConstructExpr));
|
|
|
1005 return new (Mem) CXXConstructExpr(
|
|
|
1006 CXXConstructExprClass, Ty, Loc, Ctor, Elidable, Args,
|
|
|
1007 HadMultipleCandidates, ListInitialization, StdInitListInitialization,
|
|
|
1008 ZeroInitialization, ConstructKind, ParenOrBraceRange);
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 CXXConstructExpr *CXXConstructExpr::CreateEmpty(const ASTContext &Ctx,
|
|
|
1012 unsigned NumArgs) {
|
|
|
1013 unsigned SizeOfTrailingObjects = sizeOfTrailingObjects(NumArgs);
|
|
|
1014 void *Mem = Ctx.Allocate(sizeof(CXXConstructExpr) + SizeOfTrailingObjects,
|
|
|
1015 alignof(CXXConstructExpr));
|
|
|
1016 return new (Mem)
|
|
|
1017 CXXConstructExpr(CXXConstructExprClass, EmptyShell(), NumArgs);
|
|
|
1018 }
|
|
|
1019
|
|
|
1020 CXXConstructExpr::CXXConstructExpr(
|
|
|
1021 StmtClass SC, QualType Ty, SourceLocation Loc, CXXConstructorDecl *Ctor,
|
|
|
1022 bool Elidable, ArrayRef<Expr *> Args, bool HadMultipleCandidates,
|
|
|
1023 bool ListInitialization, bool StdInitListInitialization,
|
|
|
1024 bool ZeroInitialization, ConstructionKind ConstructKind,
|
|
|
1025 SourceRange ParenOrBraceRange)
|
|
173
|
1026 : Expr(SC, Ty, VK_RValue, OK_Ordinary), Constructor(Ctor),
|
|
|
1027 ParenOrBraceRange(ParenOrBraceRange), NumArgs(Args.size()) {
|
|
150
|
1028 CXXConstructExprBits.Elidable = Elidable;
|
|
|
1029 CXXConstructExprBits.HadMultipleCandidates = HadMultipleCandidates;
|
|
|
1030 CXXConstructExprBits.ListInitialization = ListInitialization;
|
|
|
1031 CXXConstructExprBits.StdInitListInitialization = StdInitListInitialization;
|
|
|
1032 CXXConstructExprBits.ZeroInitialization = ZeroInitialization;
|
|
|
1033 CXXConstructExprBits.ConstructionKind = ConstructKind;
|
|
|
1034 CXXConstructExprBits.Loc = Loc;
|
|
|
1035
|
|
|
1036 Stmt **TrailingArgs = getTrailingArgs();
|
|
|
1037 for (unsigned I = 0, N = Args.size(); I != N; ++I) {
|
|
|
1038 assert(Args[I] && "NULL argument in CXXConstructExpr!");
|
|
|
1039 TrailingArgs[I] = Args[I];
|
|
|
1040 }
|
|
173
|
1041
|
|
|
1042 setDependence(computeDependence(this));
|
|
150
|
1043 }
|
|
|
1044
|
|
|
1045 CXXConstructExpr::CXXConstructExpr(StmtClass SC, EmptyShell Empty,
|
|
|
1046 unsigned NumArgs)
|
|
|
1047 : Expr(SC, Empty), NumArgs(NumArgs) {}
|
|
|
1048
|
|
|
1049 LambdaCapture::LambdaCapture(SourceLocation Loc, bool Implicit,
|
|
|
1050 LambdaCaptureKind Kind, VarDecl *Var,
|
|
|
1051 SourceLocation EllipsisLoc)
|
|
|
1052 : DeclAndBits(Var, 0), Loc(Loc), EllipsisLoc(EllipsisLoc) {
|
|
|
1053 unsigned Bits = 0;
|
|
|
1054 if (Implicit)
|
|
|
1055 Bits |= Capture_Implicit;
|
|
|
1056
|
|
|
1057 switch (Kind) {
|
|
|
1058 case LCK_StarThis:
|
|
|
1059 Bits |= Capture_ByCopy;
|
|
|
1060 LLVM_FALLTHROUGH;
|
|
|
1061 case LCK_This:
|
|
|
1062 assert(!Var && "'this' capture cannot have a variable!");
|
|
|
1063 Bits |= Capture_This;
|
|
|
1064 break;
|
|
|
1065
|
|
|
1066 case LCK_ByCopy:
|
|
|
1067 Bits |= Capture_ByCopy;
|
|
|
1068 LLVM_FALLTHROUGH;
|
|
|
1069 case LCK_ByRef:
|
|
|
1070 assert(Var && "capture must have a variable!");
|
|
|
1071 break;
|
|
|
1072 case LCK_VLAType:
|
|
|
1073 assert(!Var && "VLA type capture cannot have a variable!");
|
|
|
1074 break;
|
|
|
1075 }
|
|
|
1076 DeclAndBits.setInt(Bits);
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 LambdaCaptureKind LambdaCapture::getCaptureKind() const {
|
|
|
1080 if (capturesVLAType())
|
|
|
1081 return LCK_VLAType;
|
|
|
1082 bool CapByCopy = DeclAndBits.getInt() & Capture_ByCopy;
|
|
|
1083 if (capturesThis())
|
|
|
1084 return CapByCopy ? LCK_StarThis : LCK_This;
|
|
|
1085 return CapByCopy ? LCK_ByCopy : LCK_ByRef;
|
|
|
1086 }
|
|
|
1087
|
|
|
1088 LambdaExpr::LambdaExpr(QualType T, SourceRange IntroducerRange,
|
|
|
1089 LambdaCaptureDefault CaptureDefault,
|
|
|
1090 SourceLocation CaptureDefaultLoc,
|
|
|
1091 ArrayRef<LambdaCapture> Captures, bool ExplicitParams,
|
|
|
1092 bool ExplicitResultType, ArrayRef<Expr *> CaptureInits,
|
|
|
1093 SourceLocation ClosingBrace,
|
|
|
1094 bool ContainsUnexpandedParameterPack)
|
|
173
|
1095 : Expr(LambdaExprClass, T, VK_RValue, OK_Ordinary),
|
|
150
|
1096 IntroducerRange(IntroducerRange), CaptureDefaultLoc(CaptureDefaultLoc),
|
|
|
1097 NumCaptures(Captures.size()), CaptureDefault(CaptureDefault),
|
|
|
1098 ExplicitParams(ExplicitParams), ExplicitResultType(ExplicitResultType),
|
|
|
1099 ClosingBrace(ClosingBrace) {
|
|
|
1100 assert(CaptureInits.size() == Captures.size() && "Wrong number of arguments");
|
|
|
1101 CXXRecordDecl *Class = getLambdaClass();
|
|
|
1102 CXXRecordDecl::LambdaDefinitionData &Data = Class->getLambdaData();
|
|
|
1103
|
|
|
1104 // FIXME: Propagate "has unexpanded parameter pack" bit.
|
|
|
1105
|
|
|
1106 // Copy captures.
|
|
|
1107 const ASTContext &Context = Class->getASTContext();
|
|
|
1108 Data.NumCaptures = NumCaptures;
|
|
|
1109 Data.NumExplicitCaptures = 0;
|
|
|
1110 Data.Captures =
|
|
|
1111 (LambdaCapture *)Context.Allocate(sizeof(LambdaCapture) * NumCaptures);
|
|
|
1112 LambdaCapture *ToCapture = Data.Captures;
|
|
|
1113 for (unsigned I = 0, N = Captures.size(); I != N; ++I) {
|
|
|
1114 if (Captures[I].isExplicit())
|
|
|
1115 ++Data.NumExplicitCaptures;
|
|
|
1116
|
|
|
1117 *ToCapture++ = Captures[I];
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 // Copy initialization expressions for the non-static data members.
|
|
|
1121 Stmt **Stored = getStoredStmts();
|
|
|
1122 for (unsigned I = 0, N = CaptureInits.size(); I != N; ++I)
|
|
|
1123 *Stored++ = CaptureInits[I];
|
|
|
1124
|
|
|
1125 // Copy the body of the lambda.
|
|
|
1126 *Stored++ = getCallOperator()->getBody();
|
|
173
|
1127
|
|
|
1128 setDependence(computeDependence(this, ContainsUnexpandedParameterPack));
|
|
150
|
1129 }
|
|
|
1130
|
|
|
1131 LambdaExpr *LambdaExpr::Create(
|
|
|
1132 const ASTContext &Context, CXXRecordDecl *Class,
|
|
|
1133 SourceRange IntroducerRange, LambdaCaptureDefault CaptureDefault,
|
|
|
1134 SourceLocation CaptureDefaultLoc, ArrayRef<LambdaCapture> Captures,
|
|
|
1135 bool ExplicitParams, bool ExplicitResultType, ArrayRef<Expr *> CaptureInits,
|
|
|
1136 SourceLocation ClosingBrace, bool ContainsUnexpandedParameterPack) {
|
|
|
1137 // Determine the type of the expression (i.e., the type of the
|
|
|
1138 // function object we're creating).
|
|
|
1139 QualType T = Context.getTypeDeclType(Class);
|
|
|
1140
|
|
|
1141 unsigned Size = totalSizeToAlloc<Stmt *>(Captures.size() + 1);
|
|
|
1142 void *Mem = Context.Allocate(Size);
|
|
|
1143 return new (Mem)
|
|
|
1144 LambdaExpr(T, IntroducerRange, CaptureDefault, CaptureDefaultLoc,
|
|
|
1145 Captures, ExplicitParams, ExplicitResultType, CaptureInits,
|
|
|
1146 ClosingBrace, ContainsUnexpandedParameterPack);
|
|
|
1147 }
|
|
|
1148
|
|
|
1149 LambdaExpr *LambdaExpr::CreateDeserialized(const ASTContext &C,
|
|
|
1150 unsigned NumCaptures) {
|
|
|
1151 unsigned Size = totalSizeToAlloc<Stmt *>(NumCaptures + 1);
|
|
|
1152 void *Mem = C.Allocate(Size);
|
|
|
1153 return new (Mem) LambdaExpr(EmptyShell(), NumCaptures);
|
|
|
1154 }
|
|
|
1155
|
|
|
1156 bool LambdaExpr::isInitCapture(const LambdaCapture *C) const {
|
|
|
1157 return (C->capturesVariable() && C->getCapturedVar()->isInitCapture() &&
|
|
|
1158 (getCallOperator() == C->getCapturedVar()->getDeclContext()));
|
|
|
1159 }
|
|
|
1160
|
|
|
1161 LambdaExpr::capture_iterator LambdaExpr::capture_begin() const {
|
|
|
1162 return getLambdaClass()->getLambdaData().Captures;
|
|
|
1163 }
|
|
|
1164
|
|
|
1165 LambdaExpr::capture_iterator LambdaExpr::capture_end() const {
|
|
|
1166 return capture_begin() + NumCaptures;
|
|
|
1167 }
|
|
|
1168
|
|
|
1169 LambdaExpr::capture_range LambdaExpr::captures() const {
|
|
|
1170 return capture_range(capture_begin(), capture_end());
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 LambdaExpr::capture_iterator LambdaExpr::explicit_capture_begin() const {
|
|
|
1174 return capture_begin();
|
|
|
1175 }
|
|
|
1176
|
|
|
1177 LambdaExpr::capture_iterator LambdaExpr::explicit_capture_end() const {
|
|
|
1178 struct CXXRecordDecl::LambdaDefinitionData &Data
|
|
|
1179 = getLambdaClass()->getLambdaData();
|
|
|
1180 return Data.Captures + Data.NumExplicitCaptures;
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 LambdaExpr::capture_range LambdaExpr::explicit_captures() const {
|
|
|
1184 return capture_range(explicit_capture_begin(), explicit_capture_end());
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 LambdaExpr::capture_iterator LambdaExpr::implicit_capture_begin() const {
|
|
|
1188 return explicit_capture_end();
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 LambdaExpr::capture_iterator LambdaExpr::implicit_capture_end() const {
|
|
|
1192 return capture_end();
|
|
|
1193 }
|
|
|
1194
|
|
|
1195 LambdaExpr::capture_range LambdaExpr::implicit_captures() const {
|
|
|
1196 return capture_range(implicit_capture_begin(), implicit_capture_end());
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 CXXRecordDecl *LambdaExpr::getLambdaClass() const {
|
|
|
1200 return getType()->getAsCXXRecordDecl();
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 CXXMethodDecl *LambdaExpr::getCallOperator() const {
|
|
|
1204 CXXRecordDecl *Record = getLambdaClass();
|
|
|
1205 return Record->getLambdaCallOperator();
|
|
|
1206 }
|
|
|
1207
|
|
|
1208 FunctionTemplateDecl *LambdaExpr::getDependentCallOperator() const {
|
|
|
1209 CXXRecordDecl *Record = getLambdaClass();
|
|
|
1210 return Record->getDependentLambdaCallOperator();
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 TemplateParameterList *LambdaExpr::getTemplateParameterList() const {
|
|
|
1214 CXXRecordDecl *Record = getLambdaClass();
|
|
|
1215 return Record->getGenericLambdaTemplateParameterList();
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 ArrayRef<NamedDecl *> LambdaExpr::getExplicitTemplateParameters() const {
|
|
|
1219 const CXXRecordDecl *Record = getLambdaClass();
|
|
|
1220 return Record->getLambdaExplicitTemplateParameters();
|
|
|
1221 }
|
|
|
1222
|
|
|
1223 CompoundStmt *LambdaExpr::getBody() const {
|
|
|
1224 // FIXME: this mutation in getBody is bogus. It should be
|
|
|
1225 // initialized in ASTStmtReader::VisitLambdaExpr, but for reasons I
|
|
|
1226 // don't understand, that doesn't work.
|
|
|
1227 if (!getStoredStmts()[NumCaptures])
|
|
|
1228 *const_cast<Stmt **>(&getStoredStmts()[NumCaptures]) =
|
|
|
1229 getCallOperator()->getBody();
|
|
|
1230
|
|
|
1231 return static_cast<CompoundStmt *>(getStoredStmts()[NumCaptures]);
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 bool LambdaExpr::isMutable() const {
|
|
|
1235 return !getCallOperator()->isConst();
|
|
|
1236 }
|
|
|
1237
|
|
|
1238 ExprWithCleanups::ExprWithCleanups(Expr *subexpr,
|
|
|
1239 bool CleanupsHaveSideEffects,
|
|
|
1240 ArrayRef<CleanupObject> objects)
|
|
|
1241 : FullExpr(ExprWithCleanupsClass, subexpr) {
|
|
|
1242 ExprWithCleanupsBits.CleanupsHaveSideEffects = CleanupsHaveSideEffects;
|
|
|
1243 ExprWithCleanupsBits.NumObjects = objects.size();
|
|
|
1244 for (unsigned i = 0, e = objects.size(); i != e; ++i)
|
|
|
1245 getTrailingObjects<CleanupObject>()[i] = objects[i];
|
|
|
1246 }
|
|
|
1247
|
|
|
1248 ExprWithCleanups *ExprWithCleanups::Create(const ASTContext &C, Expr *subexpr,
|
|
|
1249 bool CleanupsHaveSideEffects,
|
|
|
1250 ArrayRef<CleanupObject> objects) {
|
|
|
1251 void *buffer = C.Allocate(totalSizeToAlloc<CleanupObject>(objects.size()),
|
|
|
1252 alignof(ExprWithCleanups));
|
|
|
1253 return new (buffer)
|
|
|
1254 ExprWithCleanups(subexpr, CleanupsHaveSideEffects, objects);
|
|
|
1255 }
|
|
|
1256
|
|
|
1257 ExprWithCleanups::ExprWithCleanups(EmptyShell empty, unsigned numObjects)
|
|
|
1258 : FullExpr(ExprWithCleanupsClass, empty) {
|
|
|
1259 ExprWithCleanupsBits.NumObjects = numObjects;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 ExprWithCleanups *ExprWithCleanups::Create(const ASTContext &C,
|
|
|
1263 EmptyShell empty,
|
|
|
1264 unsigned numObjects) {
|
|
|
1265 void *buffer = C.Allocate(totalSizeToAlloc<CleanupObject>(numObjects),
|
|
|
1266 alignof(ExprWithCleanups));
|
|
|
1267 return new (buffer) ExprWithCleanups(empty, numObjects);
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 CXXUnresolvedConstructExpr::CXXUnresolvedConstructExpr(TypeSourceInfo *TSI,
|
|
|
1271 SourceLocation LParenLoc,
|
|
|
1272 ArrayRef<Expr *> Args,
|
|
|
1273 SourceLocation RParenLoc)
|
|
|
1274 : Expr(CXXUnresolvedConstructExprClass,
|
|
|
1275 TSI->getType().getNonReferenceType(),
|
|
|
1276 (TSI->getType()->isLValueReferenceType()
|
|
|
1277 ? VK_LValue
|
|
|
1278 : TSI->getType()->isRValueReferenceType() ? VK_XValue
|
|
|
1279 : VK_RValue),
|
|
173
|
1280 OK_Ordinary),
|
|
150
|
1281 TSI(TSI), LParenLoc(LParenLoc), RParenLoc(RParenLoc) {
|
|
|
1282 CXXUnresolvedConstructExprBits.NumArgs = Args.size();
|
|
|
1283 auto **StoredArgs = getTrailingObjects<Expr *>();
|
|
173
|
1284 for (unsigned I = 0; I != Args.size(); ++I)
|
|
150
|
1285 StoredArgs[I] = Args[I];
|
|
173
|
1286 setDependence(computeDependence(this));
|
|
150
|
1287 }
|
|
|
1288
|
|
|
1289 CXXUnresolvedConstructExpr *CXXUnresolvedConstructExpr::Create(
|
|
|
1290 const ASTContext &Context, TypeSourceInfo *TSI, SourceLocation LParenLoc,
|
|
|
1291 ArrayRef<Expr *> Args, SourceLocation RParenLoc) {
|
|
|
1292 void *Mem = Context.Allocate(totalSizeToAlloc<Expr *>(Args.size()));
|
|
|
1293 return new (Mem) CXXUnresolvedConstructExpr(TSI, LParenLoc, Args, RParenLoc);
|
|
|
1294 }
|
|
|
1295
|
|
|
1296 CXXUnresolvedConstructExpr *
|
|
|
1297 CXXUnresolvedConstructExpr::CreateEmpty(const ASTContext &Context,
|
|
|
1298 unsigned NumArgs) {
|
|
|
1299 void *Mem = Context.Allocate(totalSizeToAlloc<Expr *>(NumArgs));
|
|
|
1300 return new (Mem) CXXUnresolvedConstructExpr(EmptyShell(), NumArgs);
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 SourceLocation CXXUnresolvedConstructExpr::getBeginLoc() const {
|
|
|
1304 return TSI->getTypeLoc().getBeginLoc();
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 CXXDependentScopeMemberExpr::CXXDependentScopeMemberExpr(
|
|
|
1308 const ASTContext &Ctx, Expr *Base, QualType BaseType, bool IsArrow,
|
|
|
1309 SourceLocation OperatorLoc, NestedNameSpecifierLoc QualifierLoc,
|
|
|
1310 SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierFoundInScope,
|
|
|
1311 DeclarationNameInfo MemberNameInfo,
|
|
|
1312 const TemplateArgumentListInfo *TemplateArgs)
|
|
|
1313 : Expr(CXXDependentScopeMemberExprClass, Ctx.DependentTy, VK_LValue,
|
|
173
|
1314 OK_Ordinary),
|
|
150
|
1315 Base(Base), BaseType(BaseType), QualifierLoc(QualifierLoc),
|
|
|
1316 MemberNameInfo(MemberNameInfo) {
|
|
|
1317 CXXDependentScopeMemberExprBits.IsArrow = IsArrow;
|
|
|
1318 CXXDependentScopeMemberExprBits.HasTemplateKWAndArgsInfo =
|
|
|
1319 (TemplateArgs != nullptr) || TemplateKWLoc.isValid();
|
|
|
1320 CXXDependentScopeMemberExprBits.HasFirstQualifierFoundInScope =
|
|
|
1321 FirstQualifierFoundInScope != nullptr;
|
|
|
1322 CXXDependentScopeMemberExprBits.OperatorLoc = OperatorLoc;
|
|
|
1323
|
|
|
1324 if (TemplateArgs) {
|
|
173
|
1325 auto Deps = TemplateArgumentDependence::None;
|
|
150
|
1326 getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
|
1327 TemplateKWLoc, *TemplateArgs, getTrailingObjects<TemplateArgumentLoc>(),
|
|
173
|
1328 Deps);
|
|
150
|
1329 } else if (TemplateKWLoc.isValid()) {
|
|
|
1330 getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
|
1331 TemplateKWLoc);
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 if (hasFirstQualifierFoundInScope())
|
|
|
1335 *getTrailingObjects<NamedDecl *>() = FirstQualifierFoundInScope;
|
|
173
|
1336 setDependence(computeDependence(this));
|
|
150
|
1337 }
|
|
|
1338
|
|
|
1339 CXXDependentScopeMemberExpr::CXXDependentScopeMemberExpr(
|
|
|
1340 EmptyShell Empty, bool HasTemplateKWAndArgsInfo,
|
|
|
1341 bool HasFirstQualifierFoundInScope)
|
|
|
1342 : Expr(CXXDependentScopeMemberExprClass, Empty) {
|
|
|
1343 CXXDependentScopeMemberExprBits.HasTemplateKWAndArgsInfo =
|
|
|
1344 HasTemplateKWAndArgsInfo;
|
|
|
1345 CXXDependentScopeMemberExprBits.HasFirstQualifierFoundInScope =
|
|
|
1346 HasFirstQualifierFoundInScope;
|
|
|
1347 }
|
|
|
1348
|
|
|
1349 CXXDependentScopeMemberExpr *CXXDependentScopeMemberExpr::Create(
|
|
|
1350 const ASTContext &Ctx, Expr *Base, QualType BaseType, bool IsArrow,
|
|
|
1351 SourceLocation OperatorLoc, NestedNameSpecifierLoc QualifierLoc,
|
|
|
1352 SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierFoundInScope,
|
|
|
1353 DeclarationNameInfo MemberNameInfo,
|
|
|
1354 const TemplateArgumentListInfo *TemplateArgs) {
|
|
|
1355 bool HasTemplateKWAndArgsInfo =
|
|
|
1356 (TemplateArgs != nullptr) || TemplateKWLoc.isValid();
|
|
|
1357 unsigned NumTemplateArgs = TemplateArgs ? TemplateArgs->size() : 0;
|
|
|
1358 bool HasFirstQualifierFoundInScope = FirstQualifierFoundInScope != nullptr;
|
|
|
1359
|
|
|
1360 unsigned Size = totalSizeToAlloc<ASTTemplateKWAndArgsInfo,
|
|
|
1361 TemplateArgumentLoc, NamedDecl *>(
|
|
|
1362 HasTemplateKWAndArgsInfo, NumTemplateArgs, HasFirstQualifierFoundInScope);
|
|
|
1363
|
|
|
1364 void *Mem = Ctx.Allocate(Size, alignof(CXXDependentScopeMemberExpr));
|
|
|
1365 return new (Mem) CXXDependentScopeMemberExpr(
|
|
|
1366 Ctx, Base, BaseType, IsArrow, OperatorLoc, QualifierLoc, TemplateKWLoc,
|
|
|
1367 FirstQualifierFoundInScope, MemberNameInfo, TemplateArgs);
|
|
|
1368 }
|
|
|
1369
|
|
|
1370 CXXDependentScopeMemberExpr *CXXDependentScopeMemberExpr::CreateEmpty(
|
|
|
1371 const ASTContext &Ctx, bool HasTemplateKWAndArgsInfo,
|
|
|
1372 unsigned NumTemplateArgs, bool HasFirstQualifierFoundInScope) {
|
|
|
1373 assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
|
1374
|
|
|
1375 unsigned Size = totalSizeToAlloc<ASTTemplateKWAndArgsInfo,
|
|
|
1376 TemplateArgumentLoc, NamedDecl *>(
|
|
|
1377 HasTemplateKWAndArgsInfo, NumTemplateArgs, HasFirstQualifierFoundInScope);
|
|
|
1378
|
|
|
1379 void *Mem = Ctx.Allocate(Size, alignof(CXXDependentScopeMemberExpr));
|
|
|
1380 return new (Mem) CXXDependentScopeMemberExpr(
|
|
|
1381 EmptyShell(), HasTemplateKWAndArgsInfo, HasFirstQualifierFoundInScope);
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 static bool hasOnlyNonStaticMemberFunctions(UnresolvedSetIterator begin,
|
|
|
1385 UnresolvedSetIterator end) {
|
|
|
1386 do {
|
|
|
1387 NamedDecl *decl = *begin;
|
|
|
1388 if (isa<UnresolvedUsingValueDecl>(decl))
|
|
|
1389 return false;
|
|
|
1390
|
|
|
1391 // Unresolved member expressions should only contain methods and
|
|
|
1392 // method templates.
|
|
|
1393 if (cast<CXXMethodDecl>(decl->getUnderlyingDecl()->getAsFunction())
|
|
|
1394 ->isStatic())
|
|
|
1395 return false;
|
|
|
1396 } while (++begin != end);
|
|
|
1397
|
|
|
1398 return true;
|
|
|
1399 }
|
|
|
1400
|
|
|
1401 UnresolvedMemberExpr::UnresolvedMemberExpr(
|
|
|
1402 const ASTContext &Context, bool HasUnresolvedUsing, Expr *Base,
|
|
|
1403 QualType BaseType, bool IsArrow, SourceLocation OperatorLoc,
|
|
|
1404 NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc,
|
|
|
1405 const DeclarationNameInfo &MemberNameInfo,
|
|
|
1406 const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin,
|
|
|
1407 UnresolvedSetIterator End)
|
|
|
1408 : OverloadExpr(
|
|
|
1409 UnresolvedMemberExprClass, Context, QualifierLoc, TemplateKWLoc,
|
|
|
1410 MemberNameInfo, TemplateArgs, Begin, End,
|
|
|
1411 // Dependent
|
|
|
1412 ((Base && Base->isTypeDependent()) || BaseType->isDependentType()),
|
|
|
1413 ((Base && Base->isInstantiationDependent()) ||
|
|
|
1414 BaseType->isInstantiationDependentType()),
|
|
|
1415 // Contains unexpanded parameter pack
|
|
|
1416 ((Base && Base->containsUnexpandedParameterPack()) ||
|
|
|
1417 BaseType->containsUnexpandedParameterPack())),
|
|
|
1418 Base(Base), BaseType(BaseType), OperatorLoc(OperatorLoc) {
|
|
|
1419 UnresolvedMemberExprBits.IsArrow = IsArrow;
|
|
|
1420 UnresolvedMemberExprBits.HasUnresolvedUsing = HasUnresolvedUsing;
|
|
|
1421
|
|
|
1422 // Check whether all of the members are non-static member functions,
|
|
|
1423 // and if so, mark give this bound-member type instead of overload type.
|
|
|
1424 if (hasOnlyNonStaticMemberFunctions(Begin, End))
|
|
|
1425 setType(Context.BoundMemberTy);
|
|
|
1426 }
|
|
|
1427
|
|
|
1428 UnresolvedMemberExpr::UnresolvedMemberExpr(EmptyShell Empty,
|
|
|
1429 unsigned NumResults,
|
|
|
1430 bool HasTemplateKWAndArgsInfo)
|
|
|
1431 : OverloadExpr(UnresolvedMemberExprClass, Empty, NumResults,
|
|
|
1432 HasTemplateKWAndArgsInfo) {}
|
|
|
1433
|
|
|
1434 bool UnresolvedMemberExpr::isImplicitAccess() const {
|
|
|
1435 if (!Base)
|
|
|
1436 return true;
|
|
|
1437
|
|
|
1438 return cast<Expr>(Base)->isImplicitCXXThis();
|
|
|
1439 }
|
|
|
1440
|
|
|
1441 UnresolvedMemberExpr *UnresolvedMemberExpr::Create(
|
|
|
1442 const ASTContext &Context, bool HasUnresolvedUsing, Expr *Base,
|
|
|
1443 QualType BaseType, bool IsArrow, SourceLocation OperatorLoc,
|
|
|
1444 NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc,
|
|
|
1445 const DeclarationNameInfo &MemberNameInfo,
|
|
|
1446 const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin,
|
|
|
1447 UnresolvedSetIterator End) {
|
|
|
1448 unsigned NumResults = End - Begin;
|
|
|
1449 bool HasTemplateKWAndArgsInfo = TemplateArgs || TemplateKWLoc.isValid();
|
|
|
1450 unsigned NumTemplateArgs = TemplateArgs ? TemplateArgs->size() : 0;
|
|
|
1451 unsigned Size = totalSizeToAlloc<DeclAccessPair, ASTTemplateKWAndArgsInfo,
|
|
|
1452 TemplateArgumentLoc>(
|
|
|
1453 NumResults, HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
|
1454 void *Mem = Context.Allocate(Size, alignof(UnresolvedMemberExpr));
|
|
|
1455 return new (Mem) UnresolvedMemberExpr(
|
|
|
1456 Context, HasUnresolvedUsing, Base, BaseType, IsArrow, OperatorLoc,
|
|
|
1457 QualifierLoc, TemplateKWLoc, MemberNameInfo, TemplateArgs, Begin, End);
|
|
|
1458 }
|
|
|
1459
|
|
|
1460 UnresolvedMemberExpr *UnresolvedMemberExpr::CreateEmpty(
|
|
|
1461 const ASTContext &Context, unsigned NumResults,
|
|
|
1462 bool HasTemplateKWAndArgsInfo, unsigned NumTemplateArgs) {
|
|
|
1463 assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
|
1464 unsigned Size = totalSizeToAlloc<DeclAccessPair, ASTTemplateKWAndArgsInfo,
|
|
|
1465 TemplateArgumentLoc>(
|
|
|
1466 NumResults, HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
|
1467 void *Mem = Context.Allocate(Size, alignof(UnresolvedMemberExpr));
|
|
|
1468 return new (Mem)
|
|
|
1469 UnresolvedMemberExpr(EmptyShell(), NumResults, HasTemplateKWAndArgsInfo);
|
|
|
1470 }
|
|
|
1471
|
|
|
1472 CXXRecordDecl *UnresolvedMemberExpr::getNamingClass() {
|
|
|
1473 // Unlike for UnresolvedLookupExpr, it is very easy to re-derive this.
|
|
|
1474
|
|
|
1475 // If there was a nested name specifier, it names the naming class.
|
|
|
1476 // It can't be dependent: after all, we were actually able to do the
|
|
|
1477 // lookup.
|
|
|
1478 CXXRecordDecl *Record = nullptr;
|
|
|
1479 auto *NNS = getQualifier();
|
|
|
1480 if (NNS && NNS->getKind() != NestedNameSpecifier::Super) {
|
|
|
1481 const Type *T = getQualifier()->getAsType();
|
|
|
1482 assert(T && "qualifier in member expression does not name type");
|
|
|
1483 Record = T->getAsCXXRecordDecl();
|
|
|
1484 assert(Record && "qualifier in member expression does not name record");
|
|
|
1485 }
|
|
|
1486 // Otherwise the naming class must have been the base class.
|
|
|
1487 else {
|
|
|
1488 QualType BaseType = getBaseType().getNonReferenceType();
|
|
|
1489 if (isArrow())
|
|
|
1490 BaseType = BaseType->castAs<PointerType>()->getPointeeType();
|
|
|
1491
|
|
|
1492 Record = BaseType->getAsCXXRecordDecl();
|
|
|
1493 assert(Record && "base of member expression does not name record");
|
|
|
1494 }
|
|
|
1495
|
|
|
1496 return Record;
|
|
|
1497 }
|
|
|
1498
|
|
|
1499 SizeOfPackExpr *
|
|
|
1500 SizeOfPackExpr::Create(ASTContext &Context, SourceLocation OperatorLoc,
|
|
|
1501 NamedDecl *Pack, SourceLocation PackLoc,
|
|
|
1502 SourceLocation RParenLoc,
|
|
|
1503 Optional<unsigned> Length,
|
|
|
1504 ArrayRef<TemplateArgument> PartialArgs) {
|
|
|
1505 void *Storage =
|
|
|
1506 Context.Allocate(totalSizeToAlloc<TemplateArgument>(PartialArgs.size()));
|
|
|
1507 return new (Storage) SizeOfPackExpr(Context.getSizeType(), OperatorLoc, Pack,
|
|
|
1508 PackLoc, RParenLoc, Length, PartialArgs);
|
|
|
1509 }
|
|
|
1510
|
|
|
1511 SizeOfPackExpr *SizeOfPackExpr::CreateDeserialized(ASTContext &Context,
|
|
|
1512 unsigned NumPartialArgs) {
|
|
|
1513 void *Storage =
|
|
|
1514 Context.Allocate(totalSizeToAlloc<TemplateArgument>(NumPartialArgs));
|
|
|
1515 return new (Storage) SizeOfPackExpr(EmptyShell(), NumPartialArgs);
|
|
|
1516 }
|
|
|
1517
|
|
173
|
1518 SubstNonTypeTemplateParmPackExpr::SubstNonTypeTemplateParmPackExpr(
|
|
|
1519 QualType T, ExprValueKind ValueKind, NonTypeTemplateParmDecl *Param,
|
|
|
1520 SourceLocation NameLoc, const TemplateArgument &ArgPack)
|
|
|
1521 : Expr(SubstNonTypeTemplateParmPackExprClass, T, ValueKind, OK_Ordinary),
|
|
150
|
1522 Param(Param), Arguments(ArgPack.pack_begin()),
|
|
173
|
1523 NumArguments(ArgPack.pack_size()), NameLoc(NameLoc) {
|
|
|
1524 setDependence(ExprDependence::TypeValueInstantiation |
|
|
|
1525 ExprDependence::UnexpandedPack);
|
|
|
1526 }
|
|
150
|
1527
|
|
|
1528 TemplateArgument SubstNonTypeTemplateParmPackExpr::getArgumentPack() const {
|
|
|
1529 return TemplateArgument(llvm::makeArrayRef(Arguments, NumArguments));
|
|
|
1530 }
|
|
|
1531
|
|
|
1532 FunctionParmPackExpr::FunctionParmPackExpr(QualType T, VarDecl *ParamPack,
|
|
|
1533 SourceLocation NameLoc,
|
|
|
1534 unsigned NumParams,
|
|
|
1535 VarDecl *const *Params)
|
|
173
|
1536 : Expr(FunctionParmPackExprClass, T, VK_LValue, OK_Ordinary),
|
|
150
|
1537 ParamPack(ParamPack), NameLoc(NameLoc), NumParameters(NumParams) {
|
|
|
1538 if (Params)
|
|
|
1539 std::uninitialized_copy(Params, Params + NumParams,
|
|
|
1540 getTrailingObjects<VarDecl *>());
|
|
173
|
1541 setDependence(ExprDependence::TypeValueInstantiation |
|
|
|
1542 ExprDependence::UnexpandedPack);
|
|
150
|
1543 }
|
|
|
1544
|
|
|
1545 FunctionParmPackExpr *
|
|
|
1546 FunctionParmPackExpr::Create(const ASTContext &Context, QualType T,
|
|
|
1547 VarDecl *ParamPack, SourceLocation NameLoc,
|
|
|
1548 ArrayRef<VarDecl *> Params) {
|
|
|
1549 return new (Context.Allocate(totalSizeToAlloc<VarDecl *>(Params.size())))
|
|
|
1550 FunctionParmPackExpr(T, ParamPack, NameLoc, Params.size(), Params.data());
|
|
|
1551 }
|
|
|
1552
|
|
|
1553 FunctionParmPackExpr *
|
|
|
1554 FunctionParmPackExpr::CreateEmpty(const ASTContext &Context,
|
|
|
1555 unsigned NumParams) {
|
|
|
1556 return new (Context.Allocate(totalSizeToAlloc<VarDecl *>(NumParams)))
|
|
|
1557 FunctionParmPackExpr(QualType(), nullptr, SourceLocation(), 0, nullptr);
|
|
|
1558 }
|
|
|
1559
|
|
|
1560 MaterializeTemporaryExpr::MaterializeTemporaryExpr(
|
|
|
1561 QualType T, Expr *Temporary, bool BoundToLvalueReference,
|
|
|
1562 LifetimeExtendedTemporaryDecl *MTD)
|
|
|
1563 : Expr(MaterializeTemporaryExprClass, T,
|
|
173
|
1564 BoundToLvalueReference ? VK_LValue : VK_XValue, OK_Ordinary) {
|
|
150
|
1565 if (MTD) {
|
|
|
1566 State = MTD;
|
|
|
1567 MTD->ExprWithTemporary = Temporary;
|
|
|
1568 return;
|
|
|
1569 }
|
|
|
1570 State = Temporary;
|
|
173
|
1571 setDependence(computeDependence(this));
|
|
150
|
1572 }
|
|
|
1573
|
|
|
1574 void MaterializeTemporaryExpr::setExtendingDecl(ValueDecl *ExtendedBy,
|
|
|
1575 unsigned ManglingNumber) {
|
|
|
1576 // We only need extra state if we have to remember more than just the Stmt.
|
|
|
1577 if (!ExtendedBy)
|
|
|
1578 return;
|
|
|
1579
|
|
|
1580 // We may need to allocate extra storage for the mangling number and the
|
|
|
1581 // extended-by ValueDecl.
|
|
|
1582 if (!State.is<LifetimeExtendedTemporaryDecl *>())
|
|
|
1583 State = LifetimeExtendedTemporaryDecl::Create(
|
|
|
1584 cast<Expr>(State.get<Stmt *>()), ExtendedBy, ManglingNumber);
|
|
|
1585
|
|
|
1586 auto ES = State.get<LifetimeExtendedTemporaryDecl *>();
|
|
|
1587 ES->ExtendingDecl = ExtendedBy;
|
|
|
1588 ES->ManglingNumber = ManglingNumber;
|
|
|
1589 }
|
|
|
1590
|
|
|
1591 TypeTraitExpr::TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind,
|
|
|
1592 ArrayRef<TypeSourceInfo *> Args,
|
|
173
|
1593 SourceLocation RParenLoc, bool Value)
|
|
|
1594 : Expr(TypeTraitExprClass, T, VK_RValue, OK_Ordinary), Loc(Loc),
|
|
|
1595 RParenLoc(RParenLoc) {
|
|
150
|
1596 TypeTraitExprBits.Kind = Kind;
|
|
|
1597 TypeTraitExprBits.Value = Value;
|
|
|
1598 TypeTraitExprBits.NumArgs = Args.size();
|
|
|
1599
|
|
|
1600 auto **ToArgs = getTrailingObjects<TypeSourceInfo *>();
|
|
173
|
1601 for (unsigned I = 0, N = Args.size(); I != N; ++I)
|
|
|
1602 ToArgs[I] = Args[I];
|
|
150
|
1603
|
|
173
|
1604 setDependence(computeDependence(this));
|
|
150
|
1605 }
|
|
|
1606
|
|
|
1607 TypeTraitExpr *TypeTraitExpr::Create(const ASTContext &C, QualType T,
|
|
|
1608 SourceLocation Loc,
|
|
|
1609 TypeTrait Kind,
|
|
|
1610 ArrayRef<TypeSourceInfo *> Args,
|
|
|
1611 SourceLocation RParenLoc,
|
|
|
1612 bool Value) {
|
|
|
1613 void *Mem = C.Allocate(totalSizeToAlloc<TypeSourceInfo *>(Args.size()));
|
|
|
1614 return new (Mem) TypeTraitExpr(T, Loc, Kind, Args, RParenLoc, Value);
|
|
|
1615 }
|
|
|
1616
|
|
|
1617 TypeTraitExpr *TypeTraitExpr::CreateDeserialized(const ASTContext &C,
|
|
|
1618 unsigned NumArgs) {
|
|
|
1619 void *Mem = C.Allocate(totalSizeToAlloc<TypeSourceInfo *>(NumArgs));
|
|
|
1620 return new (Mem) TypeTraitExpr(EmptyShell());
|
|
|
1621 }
|
|
|
1622
|
|
|
1623 CUDAKernelCallExpr::CUDAKernelCallExpr(Expr *Fn, CallExpr *Config,
|
|
|
1624 ArrayRef<Expr *> Args, QualType Ty,
|
|
|
1625 ExprValueKind VK, SourceLocation RP,
|
|
|
1626 unsigned MinNumArgs)
|
|
|
1627 : CallExpr(CUDAKernelCallExprClass, Fn, /*PreArgs=*/Config, Args, Ty, VK,
|
|
|
1628 RP, MinNumArgs, NotADL) {}
|
|
|
1629
|
|
|
1630 CUDAKernelCallExpr::CUDAKernelCallExpr(unsigned NumArgs, EmptyShell Empty)
|
|
|
1631 : CallExpr(CUDAKernelCallExprClass, /*NumPreArgs=*/END_PREARG, NumArgs,
|
|
|
1632 Empty) {}
|
|
|
1633
|
|
|
1634 CUDAKernelCallExpr *
|
|
|
1635 CUDAKernelCallExpr::Create(const ASTContext &Ctx, Expr *Fn, CallExpr *Config,
|
|
|
1636 ArrayRef<Expr *> Args, QualType Ty, ExprValueKind VK,
|
|
|
1637 SourceLocation RP, unsigned MinNumArgs) {
|
|
|
1638 // Allocate storage for the trailing objects of CallExpr.
|
|
|
1639 unsigned NumArgs = std::max<unsigned>(Args.size(), MinNumArgs);
|
|
|
1640 unsigned SizeOfTrailingObjects =
|
|
|
1641 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/END_PREARG, NumArgs);
|
|
|
1642 void *Mem = Ctx.Allocate(sizeof(CUDAKernelCallExpr) + SizeOfTrailingObjects,
|
|
|
1643 alignof(CUDAKernelCallExpr));
|
|
|
1644 return new (Mem) CUDAKernelCallExpr(Fn, Config, Args, Ty, VK, RP, MinNumArgs);
|
|
|
1645 }
|
|
|
1646
|
|
|
1647 CUDAKernelCallExpr *CUDAKernelCallExpr::CreateEmpty(const ASTContext &Ctx,
|
|
|
1648 unsigned NumArgs,
|
|
|
1649 EmptyShell Empty) {
|
|
|
1650 // Allocate storage for the trailing objects of CallExpr.
|
|
|
1651 unsigned SizeOfTrailingObjects =
|
|
|
1652 CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/END_PREARG, NumArgs);
|
|
|
1653 void *Mem = Ctx.Allocate(sizeof(CUDAKernelCallExpr) + SizeOfTrailingObjects,
|
|
|
1654 alignof(CUDAKernelCallExpr));
|
|
|
1655 return new (Mem) CUDAKernelCallExpr(NumArgs, Empty);
|
|
|
1656 }
|
