Extract BuilderContext from ASTEmitter

pkg/docgen/lib/src/models/model_helpers.dart

 // Copyright (c) 2014, 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 docgen.model_helpers;
 
 import 'dart:collection';
 
 import 'package:compiler/src/constants/expressions.dart';
 
@@ skipping 78 matching lines @@
     var mirror =
         dart2js_mirrors.BackDoor.getMirrorFromElement(context.mirror, element);
     if (mirror != null) {
       return new Annotation(context.owningLibrary, mirror, parameters);
     }
     return null;
   }
 
   @override
   Annotation visitBinary(BinaryConstantExpression exp,
-                         [AnnotationInfo context]) {
+                         AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitConcatenate(ConcatenateConstantExpression exp,
-                              [AnnotationInfo context]) {
+                              AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitConditional(ConditionalConstantExpression exp,
-                              [AnnotationInfo context]) {
+                              AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitConstructed(ConstructedConstantExpresssion exp,
-                              [AnnotationInfo context]) {
+                              AnnotationInfo context) {
     return createAnnotation(exp.target, context,
         exp.arguments.map((a) => a.getText()).toList());
   }
 
   @override
   Annotation visitFunction(FunctionConstantExpression exp,
-                           [AnnotationInfo context]) {
+                           AnnotationInfo context) {
     return createAnnotation(exp.element, context);
   }
 
   @override
   Annotation visitList(ListConstantExpression exp,
-                       [AnnotationInfo context]) {
+                       AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitMap(MapConstantExpression exp,
-                      [AnnotationInfo context]) {
+                      AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitPrimitive(PrimitiveConstantExpression exp,
-                            [AnnotationInfo context]) {
+                            AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitSymbol(SymbolConstantExpression exp,
-                         [AnnotationInfo context]) {
+                         AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitType(TypeConstantExpression exp,
-                       [AnnotationInfo context]) {
+                       AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitUnary(UnaryConstantExpression exp,
-                        [AnnotationInfo context]) {
+                        AnnotationInfo context) {
     return null;
   }
 
   @override
   Annotation visitVariable(VariableConstantExpression exp,
-                           [AnnotationInfo context]) {
+                           AnnotationInfo context) {
     return createAnnotation(exp.element, context);
   }
 }
 
 /// A declaration is private if itself is private, or the owner is private.
 bool isHidden(DeclarationSourceMirror mirror) {
   if (mirror is LibraryMirror) {
     return _isLibraryPrivate(mirror);
   } else if (mirror.owner is LibraryMirror) {
     return (mirror.isPrivate || _isLibraryPrivate(mirror.owner) ||
@@ skipping 182 matching lines @@
   // the time.
   var sdkLibrary = LIBRARIES[dart2js_util.nameOf(mirror)];
   if (sdkLibrary != null) {
     return !sdkLibrary.documented;
   } else if (dart2js_util.nameOf(mirror).startsWith('_') || dart2js_util.nameOf(
       mirror).contains('._')) {
     return true;
   }
   return false;
 }