[Distributed] NFC: Remove Method from accessor APIs

The API is not constrained to methods only, it should support
computed properties as well.

Author: xedin

include/swift/AST/ASTMangler.h

@@ -104,7 +104,7 @@ class ASTMangler : public Mangler {
     SwiftAsObjCThunk,
     ObjCAsSwiftThunk,
     DistributedThunk,
-    DistributedMethodAccessor,
+    DistributedAccessor,
     AccessibleFunctionRecord
   };
 

include/swift/Demangling/DemangleNodes.def

@@ -71,7 +71,7 @@ CONTEXT_NODE(Destructor)
 CONTEXT_NODE(DidSet)
 NODE(Directness)
 NODE(DistributedThunk)
-NODE(DistributedMethodAccessor)
+NODE(DistributedAccessor)
 NODE(DynamicAttribute)
 NODE(DirectMethodReferenceAttribute)
 NODE(DynamicSelf)

include/swift/IRGen/Linking.h

@@ -483,10 +483,10 @@ class LinkEntity {
     KnownAsyncFunctionPointer,
 
     /// The pointer is SILFunction*
-    DistributedMethodAccessor,
-    /// An async function pointer for a distributed method accessor.
+    DistributedAccessor,
+    /// An async function pointer for a distributed accessor (method or property).
     /// The pointer is a SILFunction*.
-    DistributedMethodAccessorAsyncPointer,
+    DistributedAccessorAsyncPointer,
 
     /// Accessible function record, which describes a function that can be
     /// looked up by name by the runtime.
@@ -1246,10 +1246,10 @@ class LinkEntity {
           Kind, unsigned(LinkEntity::Kind::PartialApplyForwarderAsyncFunctionPointer));
       break;
 
-    case LinkEntity::Kind::DistributedMethodAccessor: {
+    case LinkEntity::Kind::DistributedAccessor: {
       entity.Data = LINKENTITY_SET_FIELD(
           Kind,
-          unsigned(LinkEntity::Kind::DistributedMethodAccessorAsyncPointer));
+          unsigned(LinkEntity::Kind::DistributedAccessorAsyncPointer));
       break;
     }
 
@@ -1280,12 +1280,12 @@ class LinkEntity {
     return entity;
   }
 
-  static LinkEntity forDistributedMethodAccessor(SILFunction *method) {
+  static LinkEntity forDistributedTargetAccessor(SILFunction *target) {
     LinkEntity entity;
-    entity.Pointer = method;
+    entity.Pointer = target;
     entity.SecondaryPointer = nullptr;
     entity.Data =
-        LINKENTITY_SET_FIELD(Kind, unsigned(Kind::DistributedMethodAccessor));
+        LINKENTITY_SET_FIELD(Kind, unsigned(Kind::DistributedAccessor));
     return entity;
   }
 
@@ -1329,9 +1329,9 @@ class LinkEntity {
           Kind, unsigned(LinkEntity::Kind::PartialApplyForwarder));
       break;
 
-    case LinkEntity::Kind::DistributedMethodAccessorAsyncPointer:
+    case LinkEntity::Kind::DistributedAccessorAsyncPointer:
       entity.Data = LINKENTITY_SET_FIELD(
-          Kind, unsigned(LinkEntity::Kind::DistributedMethodAccessor));
+          Kind, unsigned(LinkEntity::Kind::DistributedAccessor));
       break;
 
     default:
@@ -1382,7 +1382,7 @@ class LinkEntity {
            getKind() == Kind::DynamicallyReplaceableFunctionVariable ||
            getKind() == Kind::DynamicallyReplaceableFunctionKey ||
            getKind() == Kind::SILFunction ||
-           getKind() == Kind::DistributedMethodAccessor ||
+           getKind() == Kind::DistributedAccessor ||
            getKind() == Kind::AccessibleFunctionRecord;
   }
 

lib/AST/ASTMangler.cpp

@@ -849,7 +849,7 @@ void ASTMangler::appendSymbolKind(SymbolKind SKind) {
     case SymbolKind::SwiftAsObjCThunk: return appendOperator("To");
     case SymbolKind::ObjCAsSwiftThunk: return appendOperator("TO");
     case SymbolKind::DistributedThunk: return appendOperator("TE");
-    case SymbolKind::DistributedMethodAccessor: return appendOperator("TF");
+    case SymbolKind::DistributedAccessor: return appendOperator("TF");
     case SymbolKind::AccessibleFunctionRecord: return appendOperator("HF");
   }
 }

lib/Demangling/Demangler.cpp

@@ -133,7 +133,7 @@ bool swift::Demangle::isFunctionAttr(Node::Kind kind) {
     case Node::Kind::OutlinedBridgedMethod:
     case Node::Kind::MergedFunction:
     case Node::Kind::DistributedThunk:
-    case Node::Kind::DistributedMethodAccessor:
+    case Node::Kind::DistributedAccessor:
     case Node::Kind::DynamicallyReplaceableFunctionImpl:
     case Node::Kind::DynamicallyReplaceableFunctionKey:
     case Node::Kind::DynamicallyReplaceableFunctionVar:
@@ -2367,7 +2367,7 @@ NodePointer Demangler::demangleThunkOrSpecialization() {
     case 'D': return createNode(Node::Kind::DynamicAttribute);
     case 'd': return createNode(Node::Kind::DirectMethodReferenceAttribute);
     case 'E': return createNode(Node::Kind::DistributedThunk);
-    case 'F': return createNode(Node::Kind::DistributedMethodAccessor);
+    case 'F': return createNode(Node::Kind::DistributedAccessor);
     case 'a': return createNode(Node::Kind::PartialApplyObjCForwarder);
     case 'A': return createNode(Node::Kind::PartialApplyForwarder);
     case 'm': return createNode(Node::Kind::MergedFunction);

lib/Demangling/NodePrinter.cpp

@@ -561,7 +561,7 @@ class NodePrinter {
     case Node::Kind::ProtocolConformanceRefInProtocolModule:
     case Node::Kind::ProtocolConformanceRefInOtherModule:
     case Node::Kind::DistributedThunk:
-    case Node::Kind::DistributedMethodAccessor:
+    case Node::Kind::DistributedAccessor:
     case Node::Kind::DynamicallyReplaceableFunctionKey:
     case Node::Kind::DynamicallyReplaceableFunctionImpl:
     case Node::Kind::DynamicallyReplaceableFunctionVar:
@@ -2001,9 +2001,9 @@ NodePointer NodePrinter::print(NodePointer Node, unsigned depth,
       Printer << "distributed thunk for ";
     }
     return nullptr;
-  case Node::Kind::DistributedMethodAccessor:
+  case Node::Kind::DistributedAccessor:
     if (!Options.ShortenThunk) {
-      Printer << "distributed method accessor for ";
+      Printer << "distributed accessor for ";
     }
     return nullptr;
   case Node::Kind::AccessibleFunctionRecord:

lib/Demangling/OldRemangler.cpp

@@ -736,7 +736,7 @@ Remangler::mangleDistributedThunk(Node *node, unsigned depth) {
 }
 
 ManglingError
-Remangler::mangleDistributedMethodAccessor(Node *node, unsigned depth) {
+Remangler::mangleDistributedAccessor(Node *node, unsigned depth) {
   Buffer << "TF";
   return ManglingError::Success;
 }

lib/Demangling/Remangler.cpp

@@ -1611,7 +1611,7 @@ ManglingError Remangler::mangleGlobal(Node *node, unsigned depth) {
       case Node::Kind::DirectMethodReferenceAttribute:
       case Node::Kind::MergedFunction:
       case Node::Kind::DistributedThunk:
-      case Node::Kind::DistributedMethodAccessor:
+      case Node::Kind::DistributedAccessor:
       case Node::Kind::DynamicallyReplaceableFunctionKey:
       case Node::Kind::DynamicallyReplaceableFunctionImpl:
       case Node::Kind::DynamicallyReplaceableFunctionVar:
@@ -2251,7 +2251,7 @@ Remangler::mangleDistributedThunk(Node *node, unsigned depth) {
 }
 
 ManglingError
-Remangler::mangleDistributedMethodAccessor(Node *node, unsigned depth) {
+Remangler::mangleDistributedAccessor(Node *node, unsigned depth) {
   Buffer << "TF";
   return ManglingError::Success;
 }

lib/IRGen/GenDecl.cpp

@@ -4150,7 +4150,7 @@ void IRGenModule::emitAccessibleFunctions() {
     llvm::Constant *funcAddr = nullptr;
     if (func->isDistributed()) {
       funcAddr = getAddrOfAsyncFunctionPointer(
-          LinkEntity::forDistributedMethodAccessor(func));
+          LinkEntity::forDistributedTargetAccessor(func));
     } else if (func->isAsync()) {
       funcAddr = getAddrOfAsyncFunctionPointer(func);
     } else {

lib/IRGen/GenDistributed.cpp

@@ -75,7 +75,7 @@ class DistributedAccessor {
   IRGenFunction &IGF;
 
   /// Underlying distributed method for this accessor.
-  SILFunction *Method;
+  SILFunction *Target;
 
   /// The interface type of this accessor function.
   CanSILFunctionType AccessorType;
@@ -86,25 +86,25 @@ class DistributedAccessor {
   SmallVector<AllocationInfo, 4> AllocatedArguments;
 
 public:
-  DistributedAccessor(IRGenFunction &IGF, SILFunction *method,
+  DistributedAccessor(IRGenFunction &IGF, SILFunction *target,
                       CanSILFunctionType accessorTy);
 
   void emit();
 
 private:
   void computeArguments(llvm::Value *argumentBuffer, Explosion &arguments);
 
-  FunctionPointer getPointerToMethod() const;
+  FunctionPointer getPointerToTarget() const;
 
-  Callee getCalleeForDistributedMethod(llvm::Value *self) const;
+  Callee getCalleeForDistributedTarget(llvm::Value *self) const;
 };
 
 } // end namespace
 
 /// Compute a type of a distributed method accessor function based
 /// on the provided distributed method.
 static CanSILFunctionType getAccessorType(IRGenModule &IGM,
-                                          SILFunction *DistMethod) {
+                                          SILFunction *Target) {
   auto &Context = IGM.Context;
 
   auto getRawPointerParmeter = [&]() {
@@ -120,10 +120,10 @@ static CanSILFunctionType getAccessorType(IRGenModule &IGM,
                      .withAsync()
                      .build();
 
-  auto methodTy = DistMethod->getLoweredFunctionType();
+  auto targetTy = Target->getLoweredFunctionType();
 
-  assert(methodTy->isAsync());
-  assert(methodTy->hasErrorResult());
+  assert(targetTy->isAsync());
+  assert(targetTy->hasErrorResult());
 
   // Accessor gets argument value buffer and a reference to `self` of
   // the actor and produces a call to the distributed thunk forwarding
@@ -133,18 +133,18 @@ static CanSILFunctionType getAccessorType(IRGenModule &IGM,
       ParameterConvention::Direct_Guaranteed,
       {/*argumentBuffer=*/getRawPointerParmeter(),
        /*resultBuffer=*/getRawPointerParmeter(),
-       /*actor=*/methodTy->getParameters().back()},
+       /*actor=*/targetTy->getParameters().back()},
       /*Yields=*/{},
       /*Results=*/{},
-      /*ErrorResult=*/methodTy->getErrorResult(),
+      /*ErrorResult=*/targetTy->getErrorResult(),
       /*patternSubs=*/SubstitutionMap(),
       /*invocationSubs=*/SubstitutionMap(), Context);
 }
 
 llvm::Function *
-IRGenModule::getAddrOfDistributedMethodAccessor(SILFunction *F,
+IRGenModule::getAddrOfDistributedTargetAccessor(SILFunction *F,
                                                 ForDefinition_t forDefinition) {
-  auto entity = LinkEntity::forDistributedMethodAccessor(F);
+  auto entity = LinkEntity::forDistributedTargetAccessor(F);
 
   llvm::Function *&entry = GlobalFuncs[entity];
   if (entry) {
@@ -159,21 +159,21 @@ IRGenModule::getAddrOfDistributedMethodAccessor(SILFunction *F,
   return createFunction(*this, link, signature);
 }
 
-void IRGenModule::emitDistributedMethodAccessor(SILFunction *method) {
-  assert(method->isDistributed());
+void IRGenModule::emitDistributedTargetAccessor(SILFunction *target) {
+  assert(target->isDistributed());
 
-  auto *f = getAddrOfDistributedMethodAccessor(method, ForDefinition);
+  auto *f = getAddrOfDistributedTargetAccessor(target, ForDefinition);
   if (!f->isDeclaration())
     return;
 
   IRGenFunction IGF(*this, f);
-  DistributedAccessor(IGF, method, getAccessorType(*this, method)).emit();
+  DistributedAccessor(IGF, target, getAccessorType(*this, target)).emit();
 }
 
 DistributedAccessor::DistributedAccessor(IRGenFunction &IGF,
-                                         SILFunction *method,
+                                         SILFunction *target,
                                          CanSILFunctionType accessorTy)
-    : IGM(IGF.IGM), IGF(IGF), Method(method), AccessorType(accessorTy),
+    : IGM(IGF.IGM), IGF(IGF), Target(target), AccessorType(accessorTy),
       AsyncLayout(getAsyncContextLayout(
           IGM, AccessorType, AccessorType, SubstitutionMap(),
           /*suppress generics*/ true,
@@ -182,7 +182,7 @@ DistributedAccessor::DistributedAccessor(IRGenFunction &IGF,
 
 void DistributedAccessor::computeArguments(llvm::Value *argumentBuffer,
                                            Explosion &arguments) {
-  auto fnType = Method->getLoweredFunctionType();
+  auto fnType = Target->getLoweredFunctionType();
 
   // Cover all of the arguments except to `self` of the actor.
   auto parameters = fnType->getParameters().drop_back();
@@ -283,8 +283,8 @@ void DistributedAccessor::computeArguments(llvm::Value *argumentBuffer,
 }
 
 void DistributedAccessor::emit() {
-  auto methodTy = Method->getLoweredFunctionType();
-  SILFunctionConventions targetConv(methodTy, IGF.getSILModule());
+  auto targetTy = Target->getLoweredFunctionType();
+  SILFunctionConventions targetConv(targetTy, IGF.getSILModule());
   SILFunctionConventions accessorConv(AccessorType, IGF.getSILModule());
   TypeExpansionContext expansionContext = IGM.getMaximalTypeExpansionContext();
 
@@ -306,7 +306,7 @@ void DistributedAccessor::emit() {
   // Reference to a `self` of the actor to be called.
   auto *actorSelf = params.claimNext();
 
-  GenericContextScope scope(IGM, methodTy->getInvocationGenericSignature());
+  GenericContextScope scope(IGM, targetTy->getInvocationGenericSignature());
 
   // Preliminary: Setup async context for this accessor.
   {
@@ -315,7 +315,7 @@ void DistributedAccessor::emit() {
                                  /*useSpecialConvention*/ false)
             .getAsyncContextIndex();
 
-    auto entity = LinkEntity::forDistributedMethodAccessor(Method);
+    auto entity = LinkEntity::forDistributedTargetAccessor(Target);
     emitAsyncFunctionEntry(IGF, AsyncLayout, entity, asyncContextIdx);
     emitAsyncFunctionPointer(IGM, IGF.CurFn, entity, AsyncLayout.getSize());
   }
@@ -341,7 +341,7 @@ void DistributedAccessor::emit() {
     Explosion result;
     Explosion error;
 
-    auto callee = getCalleeForDistributedMethod(actorSelf);
+    auto callee = getCalleeForDistributedTarget(actorSelf);
     auto emission =
         getCallEmission(IGF, callee.getSwiftContext(), std::move(callee));
 
@@ -363,7 +363,7 @@ void DistributedAccessor::emit() {
     // Both accessor and distributed method are always `async throws`
     // so we need to load error value (if any) from the slot.
     {
-      assert(methodTy->hasErrorResult());
+      assert(targetTy->hasErrorResult());
 
       SILType errorType = accessorConv.getSILErrorType(expansionContext);
       Address calleeErrorSlot =
@@ -386,23 +386,23 @@ void DistributedAccessor::emit() {
   }
 }
 
-FunctionPointer DistributedAccessor::getPointerToMethod() const {
-  auto fnType = Method->getLoweredFunctionType();
-  auto fpKind = classifyFunctionPointerKind(Method);
+FunctionPointer DistributedAccessor::getPointerToTarget() const {
+  auto fnType = Target->getLoweredFunctionType();
+  auto fpKind = classifyFunctionPointerKind(Target);
   auto signature = IGM.getSignature(fnType, fpKind.useSpecialConvention());
 
   auto *fnPtr =
-    llvm::ConstantExpr::getBitCast(IGM.getAddrOfAsyncFunctionPointer(Method),
+    llvm::ConstantExpr::getBitCast(IGM.getAddrOfAsyncFunctionPointer(Target),
                                    signature.getType()->getPointerTo());
 
   return FunctionPointer::forDirect(
       FunctionPointer::Kind(fnType), fnPtr,
-      IGM.getAddrOfSILFunction(Method, NotForDefinition), signature);
+      IGM.getAddrOfSILFunction(Target, NotForDefinition), signature);
 }
 
 Callee
-DistributedAccessor::getCalleeForDistributedMethod(llvm::Value *self) const {
-  auto fnType = Method->getLoweredFunctionType();
+DistributedAccessor::getCalleeForDistributedTarget(llvm::Value *self) const {
+  auto fnType = Target->getLoweredFunctionType();
   CalleeInfo info{fnType, fnType, SubstitutionMap()};
-  return {std::move(info), getPointerToMethod(), self};
+  return {std::move(info), getPointerToTarget(), self};
 }