Serialize typedef parameters (including function typed ones) to Kernel and use it to resynthesize t…

pkg/kernel/lib/binary/ast_to_binary.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 library kernel.ast_to_binary;
 
 import '../ast.dart';
 import '../import_table.dart';
 import 'tag.dart';
 import 'dart:convert';
 import 'dart:typed_data';
@@ skipping 326 matching lines @@
     writeStringReference(node.name ?? '');
     writeNodeList(node.combinators);
   }
 
   void visitCombinator(Combinator node) {
     writeByte(node.isShow ? 1 : 0);
     writeStringReferenceList(node.names);
   }
 
   void visitTypedef(Typedef node) {
+    _variableIndexer = new VariableIndexer();
     writeCanonicalNameReference(getCanonicalNameOfTypedef(node));
     writeOffset(node.fileOffset);
     writeStringReference(node.name);
     writeUriReference(node.fileUri ?? '');
     _typeParameterIndexer.enter(node.typeParameters);
     writeNodeList(node.typeParameters);
+    writeUInt30(node.requiredParameterCount);
+    writeVariableDeclarationList(node.positionalParameters);
+    writeVariableDeclarationList(node.namedParameters);
     writeNode(node.type);
     _typeParameterIndexer.exit(node.typeParameters);
+    _variableIndexer = null;
   }
 
   void writeAnnotation(Expression annotation) {
     _variableIndexer ??= new VariableIndexer();
     writeNode(annotation);
   }
 
   void writeAnnotationList(List<Expression> annotations) {
     writeList(annotations, writeAnnotation);
   }
@@ skipping 1150 matching lines @@
     _sink.add(_buffer.sublist(0, length));
     _buffer = new Uint8List(SIZE);
     flushedLength += length;
     length = 0;
   }
 
   void flushAndDestroy() {
     _sink.add(_buffer.sublist(0, length));
   }
 }