ASTGen: Translate actor declarations

Author: AnthonyLatsis

include/swift/AST/CASTBridging.h

@@ -370,7 +370,7 @@ BridgedDeclContextAndDecl ClassDecl_create(
     BridgedSourceLoc cClassKeywordLoc, BridgedIdentifier cName,
     BridgedSourceLoc cNameLoc, void *_Nullable opaqueGenericParamList,
     BridgedArrayRef cInheritedTypes, void *_Nullable opaqueGenericWhereClause,
-    BridgedSourceRange cBraceRange);
+    BridgedSourceRange cBraceRange, _Bool isActor);
 
 BridgedDeclContextAndDecl ProtocolDecl_create(
     BridgedASTContext cContext, BridgedDeclContext cDeclContext,

lib/AST/CASTBridging.cpp

@@ -599,15 +599,15 @@ BridgedDeclContextAndDecl ClassDecl_create(
     BridgedSourceLoc cClassKeywordLoc, BridgedIdentifier cName,
     BridgedSourceLoc cNameLoc, void *_Nullable opaqueGenericParamList,
     BridgedArrayRef cInheritedTypes, void *_Nullable opaqueGenericWhereClause,
-    BridgedSourceRange cBraceRange) {
+    BridgedSourceRange cBraceRange, bool isActor) {
   ASTContext &context = convertASTContext(cContext);
 
   auto *decl = new (context) ClassDecl(
       convertSourceLoc(cClassKeywordLoc), convertIdentifier(cName),
       convertSourceLoc(cNameLoc),
       context.AllocateCopy(convertToInheritedEntries(cInheritedTypes)),
       static_cast<GenericParamList *>(opaqueGenericParamList),
-      convertDeclContext(cDeclContext), false);
+      convertDeclContext(cDeclContext), isActor);
   decl->setTrailingWhereClause(
       static_cast<TrailingWhereClause *>(opaqueGenericWhereClause));
   decl->setBraces(convertSourceRange(cBraceRange));

lib/ASTGen/Sources/ASTGen/Decls.swift

@@ -59,7 +59,31 @@ extension ASTGenVisitor {
       self.visit(node.genericParameterClause)?.rawValue,
       self.visit(node.inheritanceClause?.inheritedTypes),
       self.visit(node.genericWhereClause)?.rawValue,
-      BridgedSourceRange(startToken: node.memberBlock.leftBrace, endToken: node.memberBlock.rightBrace, in: self)
+      BridgedSourceRange(startToken: node.memberBlock.leftBrace, endToken: node.memberBlock.rightBrace, in: self),
+      false
+    )
+
+    self.withDeclContext(decl.asDeclContext) {
+      IterableDeclContext_setParsedMembers(self.visit(node.memberBlock.members), decl.asDecl)
+    }
+
+    return .decl(decl.asDecl)
+  }
+
+  public func visit(_ node: ActorDeclSyntax) -> ASTNode {
+    let (name, nameLoc) = node.name.bridgedIdentifierAndSourceLoc(in: self)
+
+    let decl = ClassDecl_create(
+      self.ctx,
+      self.declContext,
+      self.bridgedSourceLoc(for: node.actorKeyword),
+      name,
+      nameLoc,
+      self.visit(node.genericParameterClause)?.rawValue,
+      self.visit(node.inheritanceClause?.inheritedTypes),
+      self.visit(node.genericWhereClause)?.rawValue,
+      BridgedSourceRange(startToken: node.memberBlock.leftBrace, endToken: node.memberBlock.rightBrace, in: self),
+      true
     )
 
     self.withDeclContext(decl.asDeclContext) {

test/ASTGen/verify-parse.swift

@@ -129,3 +129,8 @@ class
 Class<T>: Proto1 where T: Proto3 {
   func method(_ b: Bool) {}
 }
+
+actor
+Actor<T>: Proto1 where T: Proto1 {
+  func method(_ b: Bool) {}
+}