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-rw-r--r--lib/AST/Expr.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 9c9c7baf8e..e35091a101 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -2089,6 +2089,16 @@ Expr::CanThrowResult Expr::CanThrow(ASTContext &C) const {
// specs.
case ObjCMessageExprClass:
case ObjCPropertyRefExprClass:
+ case ObjCSubscriptRefExprClass:
+ return CT_Can;
+
+ // All the ObjC literals that are implemented as calls are
+ // potentially throwing unless we decide to close off that
+ // possibility.
+ case ObjCArrayLiteralClass:
+ case ObjCBoolLiteralExprClass:
+ case ObjCDictionaryLiteralClass:
+ case ObjCNumericLiteralClass:
return CT_Can;
// Many other things have subexpressions, so we have to test those.
@@ -3637,6 +3647,117 @@ BlockDeclRefExpr::BlockDeclRefExpr(VarDecl *d, QualType t, ExprValueKind VK,
ExprBits.InstantiationDependent = InstantiationDependent;
}
+ObjCArrayLiteral::ObjCArrayLiteral(llvm::ArrayRef<Expr *> Elements,
+ QualType T, ObjCMethodDecl *Method,
+ SourceRange SR)
+ : Expr(ObjCArrayLiteralClass, T, VK_RValue, OK_Ordinary,
+ false, false, false, false),
+ NumElements(Elements.size()), Range(SR), ArrayWithObjectsMethod(Method)
+{
+ Expr **SaveElements = getElements();
+ for (unsigned I = 0, N = Elements.size(); I != N; ++I) {
+ if (Elements[I]->isTypeDependent() || Elements[I]->isValueDependent())
+ ExprBits.ValueDependent = true;
+ if (Elements[I]->isInstantiationDependent())
+ ExprBits.InstantiationDependent = true;
+ if (Elements[I]->containsUnexpandedParameterPack())
+ ExprBits.ContainsUnexpandedParameterPack = true;
+
+ SaveElements[I] = Elements[I];
+ }
+}
+
+ObjCArrayLiteral *ObjCArrayLiteral::Create(ASTContext &C,
+ llvm::ArrayRef<Expr *> Elements,
+ QualType T, ObjCMethodDecl * Method,
+ SourceRange SR) {
+ void *Mem = C.Allocate(sizeof(ObjCArrayLiteral)
+ + Elements.size() * sizeof(Expr *));
+ return new (Mem) ObjCArrayLiteral(Elements, T, Method, SR);
+}
+
+ObjCArrayLiteral *ObjCArrayLiteral::CreateEmpty(ASTContext &C,
+ unsigned NumElements) {
+
+ void *Mem = C.Allocate(sizeof(ObjCArrayLiteral)
+ + NumElements * sizeof(Expr *));
+ return new (Mem) ObjCArrayLiteral(EmptyShell(), NumElements);
+}
+
+ObjCDictionaryLiteral::ObjCDictionaryLiteral(
+ ArrayRef<ObjCDictionaryElement> VK,
+ bool HasPackExpansions,
+ QualType T, ObjCMethodDecl *method,
+ SourceRange SR)
+ : Expr(ObjCDictionaryLiteralClass, T, VK_RValue, OK_Ordinary, false, false,
+ false, false),
+ NumElements(VK.size()), HasPackExpansions(HasPackExpansions), Range(SR),
+ DictWithObjectsMethod(method)
+{
+ KeyValuePair *KeyValues = getKeyValues();
+ ExpansionData *Expansions = getExpansionData();
+ for (unsigned I = 0; I < NumElements; I++) {
+ if (VK[I].Key->isTypeDependent() || VK[I].Key->isValueDependent() ||
+ VK[I].Value->isTypeDependent() || VK[I].Value->isValueDependent())
+ ExprBits.ValueDependent = true;
+ if (VK[I].Key->isInstantiationDependent() ||
+ VK[I].Value->isInstantiationDependent())
+ ExprBits.InstantiationDependent = true;
+ if (VK[I].EllipsisLoc.isInvalid() &&
+ (VK[I].Key->containsUnexpandedParameterPack() ||
+ VK[I].Value->containsUnexpandedParameterPack()))
+ ExprBits.ContainsUnexpandedParameterPack = true;
+
+ KeyValues[I].Key = VK[I].Key;
+ KeyValues[I].Value = VK[I].Value;
+ if (Expansions) {
+ Expansions[I].EllipsisLoc = VK[I].EllipsisLoc;
+ if (VK[I].NumExpansions)
+ Expansions[I].NumExpansionsPlusOne = *VK[I].NumExpansions + 1;
+ else
+ Expansions[I].NumExpansionsPlusOne = 0;
+ }
+ }
+}
+
+ObjCDictionaryLiteral *
+ObjCDictionaryLiteral::Create(ASTContext &C,
+ ArrayRef<ObjCDictionaryElement> VK,
+ bool HasPackExpansions,
+ QualType T, ObjCMethodDecl *method,
+ SourceRange SR) {
+ unsigned ExpansionsSize = 0;
+ if (HasPackExpansions)
+ ExpansionsSize = sizeof(ExpansionData) * VK.size();
+
+ void *Mem = C.Allocate(sizeof(ObjCDictionaryLiteral) +
+ sizeof(KeyValuePair) * VK.size() + ExpansionsSize);
+ return new (Mem) ObjCDictionaryLiteral(VK, HasPackExpansions, T, method, SR);
+}
+
+ObjCDictionaryLiteral *
+ObjCDictionaryLiteral::CreateEmpty(ASTContext &C, unsigned NumElements,
+ bool HasPackExpansions) {
+ unsigned ExpansionsSize = 0;
+ if (HasPackExpansions)
+ ExpansionsSize = sizeof(ExpansionData) * NumElements;
+ void *Mem = C.Allocate(sizeof(ObjCDictionaryLiteral) +
+ sizeof(KeyValuePair) * NumElements + ExpansionsSize);
+ return new (Mem) ObjCDictionaryLiteral(EmptyShell(), NumElements,
+ HasPackExpansions);
+}
+
+ObjCSubscriptRefExpr *ObjCSubscriptRefExpr::Create(ASTContext &C,
+ Expr *base,
+ Expr *key, QualType T,
+ ObjCMethodDecl *getMethod,
+ ObjCMethodDecl *setMethod,
+ SourceLocation RB) {
+ void *Mem = C.Allocate(sizeof(ObjCSubscriptRefExpr));
+ return new (Mem) ObjCSubscriptRefExpr(base, key, T, VK_LValue,
+ OK_ObjCSubscript,
+ getMethod, setMethod, RB);
+}
AtomicExpr::AtomicExpr(SourceLocation BLoc, Expr **args, unsigned nexpr,
QualType t, AtomicOp op, SourceLocation RP)