ASTGen: Translate class generic parameter clauses

Author: AnthonyLatsis

include/swift/AST/CASTBridging.h

@@ -359,7 +359,9 @@ StructDecl_create(BridgedASTContext cContext, BridgedDeclContext cDeclContext,
 BridgedDeclContextAndDecl
 ClassDecl_create(BridgedASTContext cContext, BridgedDeclContext cDeclContext,
                  BridgedSourceLoc cClassKeywordLoc, BridgedIdentifier cName,
-                 BridgedSourceLoc cNameLoc, BridgedSourceRange cBraceRange);
+                 BridgedSourceLoc cNameLoc,
+                 void *_Nullable opaqueGenericParamList,
+                 BridgedSourceRange cBraceRange);
 
 void *GenericParamList_create(BridgedASTContext cContext,
                               BridgedSourceLoc cLAngleLoc,

lib/AST/CASTBridging.cpp

@@ -576,12 +576,15 @@ StructDecl_create(BridgedASTContext cContext, BridgedDeclContext cDeclContext,
 BridgedDeclContextAndDecl
 ClassDecl_create(BridgedASTContext cContext, BridgedDeclContext cDeclContext,
                  BridgedSourceLoc cClassKeywordLoc, BridgedIdentifier cName,
-                 BridgedSourceLoc cNameLoc, BridgedSourceRange cBraceRange) {
+                 BridgedSourceLoc cNameLoc,
+                 void *_Nullable opaqueGenericParamList,
+                 BridgedSourceRange cBraceRange) {
   ASTContext &context = convertASTContext(cContext);
 
   auto *decl = new (context)
       ClassDecl(convertSourceLoc(cClassKeywordLoc), convertIdentifier(cName),
-                convertSourceLoc(cNameLoc), {}, nullptr,
+                convertSourceLoc(cNameLoc), {},
+                static_cast<GenericParamList *>(opaqueGenericParamList),
                 convertDeclContext(cDeclContext), false);
   decl->setBraces(convertSourceRange(cBraceRange));
 

lib/ASTGen/Sources/ASTGen/Decls.swift

@@ -53,6 +53,7 @@ extension ASTGenVisitor {
       self.bridgedSourceLoc(for: node.classKeyword),
       name,
       nameLoc,
+      self.visit(node.genericParameterClause)?.rawValue,
       BridgedSourceRange(startToken: node.memberBlock.leftBrace, endToken: node.memberBlock.rightBrace, in: self)
     )
 

test/ASTGen/verify-parse.swift

@@ -97,6 +97,6 @@ Struct
 }
 
 class
-Class {
+Class<T> {
   func method(_ b: Bool) {}
 }