Remove dead code related to the diagnostics server.

pkg/analysis_server/lib/src/status/element_writer.dart

-// Copyright (c) 2015, 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.
-
-import 'dart:collection';
-import 'dart:convert';
-
-import 'package:analysis_server/src/status/tree_writer.dart';
-import 'package:analyzer/dart/element/element.dart';
-import 'package:analyzer/dart/element/visitor.dart';
-import 'package:analyzer/src/dart/element/element.dart';
-
-/**
- * A visitor that will produce an HTML representation of an element structure.
- */
-class ElementWriter extends GeneralizingElementVisitor with TreeWriter {

[Brian Wilkerson, 2017/05/31 14:54:43]

It has frequently been very useful to see the element model. I think we should
keep this and consider adding a "Get Results" button / link for files being
analyzed that would enable us to get analysis results on demand.

[devoncarew, 2017/06/01 16:59:11]

Done.

-  /**
-   * Initialize a newly created element writer to write the HTML representation
-   * of visited elements on the given [buffer].
-   */
-  ElementWriter(StringBuffer buffer) {
-    this.buffer = buffer;
-  }
-
-  @override
-  void visitElement(Element element) {
-    _writeElement(element);
-    writeProperties(_computeProperties(element));
-    indentLevel++;
-    try {
-      element.visitChildren(this);
-    } finally {
-      indentLevel--;
-    }
-  }
-
-  /**
-   * Write a representation of the properties of the given [node] to the buffer.
-   */
-  Map<String, Object> _computeProperties(Element element) {
-    Map<String, Object> properties = new HashMap<String, Object>();
-
-    properties['metadata'] = element.metadata;
-    properties['nameOffset'] = element.nameOffset;
-    if (element is ClassElement) {
-      properties['hasNonFinalField'] = element.hasNonFinalField;
-      properties['hasReferenceToSuper'] = element.hasReferenceToSuper;
-      properties['hasStaticMember'] = element.hasStaticMember;
-      properties['interfaces'] = element.interfaces;
-      properties['isAbstract'] = element.isAbstract;
-      properties['isEnum'] = element.isEnum;
-      properties['isMixinApplication'] = element.isMixinApplication;
-      properties['isOrInheritsProxy'] = element.isOrInheritsProxy;
-      properties['isProxy'] = element.isProxy;
-      properties['isValidMixin'] = element.isValidMixin;
-      properties['mixins'] = element.mixins;
-      properties['supertype'] = element.supertype;
-    }
-    if (element is ClassMemberElement) {
-      properties['isStatic'] = element.isStatic;
-    }
-    if (element is CompilationUnitElement) {
-      properties['hasLoadLibraryFunction'] = element.hasLoadLibraryFunction;
-      properties['source'] = element.source;
-    }
-    if (element is ConstFieldElementImpl) {
-      properties['evaluationResult'] = element.evaluationResult;
-    }
-    if (element is ConstLocalVariableElementImpl) {
-      properties['evaluationResult'] = element.evaluationResult;
-    }
-    if (element is ConstTopLevelVariableElementImpl) {
-      properties['evaluationResult'] = element.evaluationResult;
-    }
-    if (element is ConstructorElement) {
-      properties['isConst'] = element.isConst;
-      properties['isDefaultConstructor'] = element.isDefaultConstructor;
-      properties['isFactory'] = element.isFactory;
-      properties['redirectedConstructor'] = element.redirectedConstructor;
-    }
-    if (element is ExecutableElement) {
-      properties['hasImplicitReturnType'] = element.hasImplicitReturnType;
-      properties['isAbstract'] = element.isAbstract;
-      properties['isAsynchronous'] = element.isAsynchronous;
-      properties['isExternal'] = element.isExternal;
-      properties['isGenerator'] = element.isGenerator;
-      properties['isOperator'] = element.isOperator;
-      properties['isStatic'] = element.isStatic;
-      properties['isSynchronous'] = element.isSynchronous;
-      properties['returnType'] = element.returnType;
-      properties['type'] = element.type;
-    }
-    if (element is ExportElement) {
-      properties['combinators'] = element.combinators;
-      properties['library'] = element.library;
-    }
-    if (element is FieldElement) {
-      properties['isEnumConstant'] = element.isEnumConstant;
-    }
-    if (element is FieldFormalParameterElement) {
-      properties['field'] = element.field;
-    }
-    if (element is FunctionElement) {
-      properties['isEntryPoint'] = element.isEntryPoint;
-    }
-    if (element is FunctionTypedElement) {
-      properties['returnType'] = element.returnType;
-      properties['type'] = element.type;
-    }
-    if (element is ImportElement) {
-      properties['combinators'] = element.combinators;
-      properties['isDeferred'] = element.isDeferred;
-      properties['library'] = element.library;
-    }
-    if (element is LibraryElement) {
-      properties['definingCompilationUnit'] = element.definingCompilationUnit;
-      properties['entryPoint'] = element.entryPoint;
-      properties['hasExtUri'] = element.hasExtUri;
-      properties['hasLoadLibraryFunction'] = element.hasLoadLibraryFunction;
-      properties['isBrowserApplication'] = element.isBrowserApplication;
-      properties['isDartAsync'] = element.isDartAsync;
-      properties['isDartCore'] = element.isDartCore;
-      properties['isInSdk'] = element.isInSdk;
-    }
-    if (element is LocalElement) {
-      properties['visibleRange'] = element.visibleRange;
-    }
-    if (element is ParameterElement) {
-      properties['defaultValueCode'] = element.defaultValueCode;
-      properties['isInitializingFormal'] = element.isInitializingFormal;
-      properties['parameterKind'] = element.parameterKind;
-    }
-    if (element is PropertyAccessorElement) {
-      properties['isGetter'] = element.isGetter;
-      properties['isSetter'] = element.isSetter;
-    }
-    if (element is PropertyInducingElement) {
-      properties['isStatic'] = element.isStatic;
-      properties['propagatedType'] = element.propagatedType;
-    }
-    if (element is TypeDefiningElement) {
-      properties['type'] = element.type;
-    }
-    if (element is TypeParameterElement) {
-      properties['bound'] = element.bound;
-    }
-    if (element is TypeParameterizedElement) {
-      properties['typeParameters'] = element.typeParameters;
-    }
-    if (element is UriReferencedElement) {
-      properties['uri'] = element.uri;
-    }
-    if (element is VariableElement) {
-      properties['constantValue'] = element.constantValue;
-      properties['hasImplicitType'] = element.hasImplicitType;
-      properties['isConst'] = element.isConst;
-      properties['isFinal'] = element.isFinal;
-      properties['isStatic'] = element.isStatic;
-      properties['type'] = element.type;
-    }
-
-    return properties;
-  }
-
-  /**
-   * Write a representation of the given [node] to the buffer.
-   */
-  void _writeElement(Element element) {
-    indent();
-    if (element.isSynthetic) {
-      buffer.write('<i>');
-    }
-    buffer.write(HTML_ESCAPE.convert(element.toString()));
-    if (element.isSynthetic) {
-      buffer.write('</i>');
-    }
-    buffer.write(' <span style="color:gray">(');
-    buffer.write(element.runtimeType);
-    buffer.write(')</span>');
-    buffer.write('<br>');
-  }
-}