[fasta] Add and correct even more offsets

pkg/front_end/lib/src/fasta/source/source_library_builder.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 fasta.source_library_builder;
 
 import 'package:kernel/ast.dart' show AsyncMarker, ProcedureKind;
 
 import '../combinator.dart' show Combinator;
 
@@ skipping 180 matching lines @@
   void addProcedure(
       List<MetadataBuilder> metadata,
       int modifiers,
       T returnType,
       String name,
       List<TypeVariableBuilder> typeVariables,
       List<FormalParameterBuilder> formals,
       AsyncMarker asyncModifier,
       ProcedureKind kind,
       int charOffset,
+      int charOpenParenOffset,
       int charEndOffset,
       String nativeMethodName,
       {bool isTopLevel});
 
   void addEnum(List<MetadataBuilder> metadata, String name,
       List<String> constants, int charOffset, int charEndOffset);
 
   void addFunctionTypeAlias(
       List<MetadataBuilder> metadata,
       T returnType,
       String name,
       List<TypeVariableBuilder> typeVariables,
       List<FormalParameterBuilder> formals,
       int charOffset);
 
   FunctionTypeBuilder addFunctionType(
       T returnType,
       List<TypeVariableBuilder> typeVariables,
       List<FormalParameterBuilder> formals,
       int charOffset);
 
   void addFactoryMethod(
       List<MetadataBuilder> metadata,
       int modifiers,
       ConstructorReferenceBuilder name,
       List<FormalParameterBuilder> formals,
       AsyncMarker asyncModifier,
       ConstructorReferenceBuilder redirectionTarget,
       int charOffset,
+      int charOpenParenOffset,
       int charEndOffset,
       String nativeMethodName);
 
   FormalParameterBuilder addFormalParameter(List<MetadataBuilder> metadata,
       int modifiers, T type, String name, bool hasThis, int charOffset);
 
   TypeVariableBuilder addTypeVariable(String name, T bound, int charOffset);
 
   Builder addBuilder(String name, Builder builder, int charOffset) {
     if (name.indexOf(".") != -1 && name.indexOf("&") == -1) {
@@ skipping 278 matching lines @@
   }
 
   /// Called to register [procedure] as a factory whose types are collected in
   /// [factoryDeclaration]. Later, once the class has been built, we can
   /// synthesize type variables on the factory matching the class'.
   void addFactoryDeclaration(
       ProcedureBuilder procedure, DeclarationBuilder<T> factoryDeclaration) {
     factoryDeclarations[procedure] = factoryDeclaration;
   }
 }