Add observatory_pub_packages snapshot to third_party

observatory_pub_packages/analyzer/src/generated/testing/element_factory.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.
+
+// This code was auto-generated, is not intended to be edited, and is subject to
+// significant change. Please see the README file for more information.
+
+library engine.testing.element_factory;
+
+import 'dart:collection';
+import 'package:analyzer/src/generated/java_core.dart';
+import 'package:analyzer/src/generated/utilities_dart.dart';
+import 'package:analyzer/src/generated/ast.dart';
+import 'package:analyzer/src/generated/constant.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/generated/element.dart';
+import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/resolver.dart';
+
+/**
+ * The class `ElementFactory` defines utility methods used to create elements for testing
+ * purposes. The elements that are created are complete in the sense that as much of the element
+ * model as can be created, given the provided information, has been created.
+ */
+class ElementFactory {
+  /**
+   * The element representing the class 'Object'.
+   */
+  static ClassElementImpl _objectElement;
+
+  static ClassElementImpl classElement(String typeName, InterfaceType superclassType, List<String> parameterNames) {
+    ClassElementImpl element = new ClassElementImpl(typeName, 0);
+    element.supertype = superclassType;
+    InterfaceTypeImpl type = new InterfaceTypeImpl.con1(element);
+    element.type = type;
+    int count = parameterNames.length;
+    if (count > 0) {
+      List<TypeParameterElementImpl> typeParameters = new List<TypeParameterElementImpl>(count);
+      List<TypeParameterTypeImpl> typeParameterTypes = new List<TypeParameterTypeImpl>(count);
+      for (int i = 0; i < count; i++) {
+        TypeParameterElementImpl typeParameter = new TypeParameterElementImpl(parameterNames[i], 0);
+        typeParameters[i] = typeParameter;
+        typeParameterTypes[i] = new TypeParameterTypeImpl(typeParameter);
+        typeParameter.type = typeParameterTypes[i];
+      }
+      element.typeParameters = typeParameters;
+      type.typeArguments = typeParameterTypes;
+    }
+    return element;
+  }
+
+  static ClassElementImpl classElement2(String typeName, List<String> parameterNames) => classElement(typeName, objectType, parameterNames);
+
+  static CompilationUnitElementImpl compilationUnit(String fileName) {
+    Source source = new NonExistingSource(fileName, UriKind.FILE_URI);
+    CompilationUnitElementImpl unit = new CompilationUnitElementImpl(fileName);
+    unit.source = source;
+    return unit;
+  }
+
+  static ConstructorElementImpl constructorElement(ClassElement definingClass, String name, bool isConst, List<DartType> argumentTypes) {
+    DartType type = definingClass.type;
+    ConstructorElementImpl constructor = name == null ? new ConstructorElementImpl("", -1) : new ConstructorElementImpl(name, 0);
+    constructor.const2 = isConst;
+    int count = argumentTypes.length;
+    List<ParameterElement> parameters = new List<ParameterElement>(count);
+    for (int i = 0; i < count; i++) {
+      ParameterElementImpl parameter = new ParameterElementImpl("a${i}", i);
+      parameter.type = argumentTypes[i];
+      parameter.parameterKind = ParameterKind.REQUIRED;
+      parameters[i] = parameter;
+    }
+    constructor.parameters = parameters;
+    constructor.returnType = type;
+    FunctionTypeImpl constructorType = new FunctionTypeImpl.con1(constructor);
+    constructor.type = constructorType;
+    return constructor;
+  }
+
+  static ConstructorElementImpl constructorElement2(ClassElement definingClass, String name, List<DartType> argumentTypes) => constructorElement(definingClass, name, false, argumentTypes);
+
+  static ClassElementImpl enumElement(TypeProvider typeProvider, String enumName, List<String> constantNames) {
+    //
+    // Build the enum.
+    //
+    ClassElementImpl enumElement = new ClassElementImpl(enumName, -1);
+    InterfaceTypeImpl enumType = new InterfaceTypeImpl.con1(enumElement);
+    enumElement.type = enumType;
+    enumElement.supertype = objectType;
+    //
+    // Populate the fields.
+    //
+    List<FieldElement> fields = new List<FieldElement>();
+    InterfaceType intType = typeProvider.intType;
+    InterfaceType stringType = typeProvider.stringType;
+    String indexFieldName = "index";
+    FieldElementImpl indexField = new FieldElementImpl(indexFieldName, -1);
+    indexField.final2 = true;
+    indexField.type = intType;
+    fields.add(indexField);
+    String nameFieldName = "_name";
+    FieldElementImpl nameField = new FieldElementImpl(nameFieldName, -1);
+    nameField.final2 = true;
+    nameField.type = stringType;
+    fields.add(nameField);
+    FieldElementImpl valuesField = new FieldElementImpl("values", -1);
+    valuesField.static = true;
+    valuesField.const3 = true;
+    valuesField.type = typeProvider.listType.substitute4(<DartType> [enumType]);
+    fields.add(valuesField);
+    //
+    // Build the enum constants.
+    //
+    int constantCount = constantNames.length;
+    for (int i = 0; i < constantCount; i++) {
+      String constantName = constantNames[i];
+      FieldElementImpl constantElement = new ConstFieldElementImpl.con2(constantName, -1);
+      constantElement.static = true;
+      constantElement.const3 = true;
+      constantElement.type = enumType;
+      HashMap<String, DartObjectImpl> fieldMap = new HashMap<String, DartObjectImpl>();
+      fieldMap[indexFieldName] = new DartObjectImpl(intType, new IntState(i));
+      fieldMap[nameFieldName] = new DartObjectImpl(stringType, new StringState(constantName));
+      DartObjectImpl value = new DartObjectImpl(enumType, new GenericState(fieldMap));
+      constantElement.evaluationResult = new ValidResult(value);
+      fields.add(constantElement);
+    }
+    //
+    // Finish building the enum.
+    //
+    enumElement.fields = new List.from(fields);
+    // Client code isn't allowed to invoke the constructor, so we do not model it.
+    return enumElement;
+  }
+
+  static ExportElementImpl exportFor(LibraryElement exportedLibrary, List<NamespaceCombinator> combinators) {
+    ExportElementImpl spec = new ExportElementImpl();
+    spec.exportedLibrary = exportedLibrary;
+    spec.combinators = combinators;
+    return spec;
+  }
+
+  static FieldElementImpl fieldElement(String name, bool isStatic, bool isFinal, bool isConst, DartType type) {
+    FieldElementImpl field = new FieldElementImpl(name, 0);
+    field.const3 = isConst;
+    field.final2 = isFinal;
+    field.static = isStatic;
+    field.type = type;
+    PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl.forVariable(field);
+    getter.getter = true;
+    getter.synthetic = true;
+    getter.variable = field;
+    getter.returnType = type;
+    field.getter = getter;
+    FunctionTypeImpl getterType = new FunctionTypeImpl.con1(getter);
+    getter.type = getterType;
+    if (!isConst && !isFinal) {
+      PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl.forVariable(field);
+      setter.setter = true;
+      setter.synthetic = true;
+      setter.variable = field;
+      setter.parameters = <ParameterElement> [requiredParameter2("_${name}", type)];
+      setter.returnType = VoidTypeImpl.instance;
+      setter.type = new FunctionTypeImpl.con1(setter);
+      field.setter = setter;
+    }
+    return field;
+  }
+
+  static FieldFormalParameterElementImpl fieldFormalParameter(Identifier name) => new FieldFormalParameterElementImpl(name);
+
+  static FunctionElementImpl functionElement(String functionName) => functionElement4(functionName, null, null, null, null);
+
+  static FunctionElementImpl functionElement2(String functionName, ClassElement returnElement) => functionElement3(functionName, returnElement, null, null);
+
+  static FunctionElementImpl functionElement3(String functionName, ClassElement returnElement, List<ClassElement> normalParameters, List<ClassElement> optionalParameters) {
+    // We don't create parameter elements because we don't have parameter names
+    FunctionElementImpl functionElement = new FunctionElementImpl(functionName, 0);
+    FunctionTypeImpl functionType = new FunctionTypeImpl.con1(functionElement);
+    functionElement.type = functionType;
+    // return type
+    if (returnElement == null) {
+      functionElement.returnType = VoidTypeImpl.instance;
+    } else {
+      functionElement.returnType = returnElement.type;
+    }
+    // parameters
+    int normalCount = normalParameters == null ? 0 : normalParameters.length;
+    int optionalCount = optionalParameters == null ? 0 : optionalParameters.length;
+    int totalCount = normalCount + optionalCount;
+    List<ParameterElement> parameters = new List<ParameterElement>(totalCount);
+    for (int i = 0; i < totalCount; i++) {
+      ParameterElementImpl parameter = new ParameterElementImpl("a${i}", i);
+      if (i < normalCount) {
+        parameter.type = normalParameters[i].type;
+        parameter.parameterKind = ParameterKind.REQUIRED;
+      } else {
+        parameter.type = optionalParameters[i - normalCount].type;
+        parameter.parameterKind = ParameterKind.POSITIONAL;
+      }
+      parameters[i] = parameter;
+    }
+    functionElement.parameters = parameters;
+    // done
+    return functionElement;
+  }
+
+  static FunctionElementImpl functionElement4(String functionName, ClassElement returnElement, List<ClassElement> normalParameters, List<String> names, List<ClassElement> namedParameters) {
+    FunctionElementImpl functionElement = new FunctionElementImpl(functionName, 0);
+    FunctionTypeImpl functionType = new FunctionTypeImpl.con1(functionElement);
+    functionElement.type = functionType;
+    // parameters
+    int normalCount = normalParameters == null ? 0 : normalParameters.length;
+    int nameCount = names == null ? 0 : names.length;
+    int typeCount = namedParameters == null ? 0 : namedParameters.length;
+    if (names != null && nameCount != typeCount) {
+      throw new IllegalStateException("The passed String[] and ClassElement[] arrays had different lengths.");
+    }
+    int totalCount = normalCount + nameCount;
+    List<ParameterElement> parameters = new List<ParameterElement>(totalCount);
+    for (int i = 0; i < totalCount; i++) {
+      if (i < normalCount) {
+        ParameterElementImpl parameter = new ParameterElementImpl("a${i}", i);
+        parameter.type = normalParameters[i].type;
+        parameter.parameterKind = ParameterKind.REQUIRED;
+        parameters[i] = parameter;
+      } else {
+        ParameterElementImpl parameter = new ParameterElementImpl(names[i - normalCount], i);
+        parameter.type = namedParameters[i - normalCount].type;
+        parameter.parameterKind = ParameterKind.NAMED;
+        parameters[i] = parameter;
+      }
+    }
+    functionElement.parameters = parameters;
+    // return type
+    if (returnElement == null) {
+      functionElement.returnType = VoidTypeImpl.instance;
+    } else {
+      functionElement.returnType = returnElement.type;
+    }
+    return functionElement;
+  }
+
+  static FunctionElementImpl functionElement5(String functionName, List<ClassElement> normalParameters) => functionElement3(functionName, null, normalParameters, null);
+
+  static FunctionElementImpl functionElement6(String functionName, List<ClassElement> normalParameters, List<ClassElement> optionalParameters) => functionElement3(functionName, null, normalParameters, optionalParameters);
+
+  static FunctionElementImpl functionElement7(String functionName, List<ClassElement> normalParameters, List<String> names, List<ClassElement> namedParameters) => functionElement4(functionName, null, normalParameters, names, namedParameters);
+
+  static FunctionElementImpl functionElementWithParameters(String functionName, DartType returnType, List<ParameterElement> parameters) {
+    FunctionElementImpl functionElement = new FunctionElementImpl(functionName, 0);
+    functionElement.returnType = returnType == null ? VoidTypeImpl.instance : returnType;
+    functionElement.parameters = parameters;
+    FunctionTypeImpl functionType = new FunctionTypeImpl.con1(functionElement);
+    functionElement.type = functionType;
+    return functionElement;
+  }
+
+  static ClassElementImpl get object {
+    if (_objectElement == null) {
+      _objectElement = classElement("Object", null, []);
+    }
+    return _objectElement;
+  }
+
+  static InterfaceType get objectType => object.type;
+
+  static PropertyAccessorElementImpl getterElement(String name, bool isStatic, DartType type) {
+    FieldElementImpl field = new FieldElementImpl(name, -1);
+    field.static = isStatic;
+    field.synthetic = true;
+    field.type = type;
+    PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl.forVariable(field);
+    getter.getter = true;
+    getter.variable = field;
+    getter.returnType = type;
+    field.getter = getter;
+    FunctionTypeImpl getterType = new FunctionTypeImpl.con1(getter);
+    getter.type = getterType;
+    return getter;
+  }
+
+  static HtmlElementImpl htmlUnit(AnalysisContext context, String fileName) {
+    Source source = new NonExistingSource(fileName, UriKind.FILE_URI);
+    HtmlElementImpl unit = new HtmlElementImpl(context, fileName);
+    unit.source = source;
+    return unit;
+  }
+
+  static ImportElementImpl importFor(LibraryElement importedLibrary, PrefixElement prefix, List<NamespaceCombinator> combinators) {
+    ImportElementImpl spec = new ImportElementImpl(0);
+    spec.importedLibrary = importedLibrary;
+    spec.prefix = prefix;
+    spec.combinators = combinators;
+    return spec;
+  }
+
+  static LibraryElementImpl library(AnalysisContext context, String libraryName) {
+    String fileName = "/${libraryName}.dart";
+    CompilationUnitElementImpl unit = compilationUnit(fileName);
+    LibraryElementImpl library = new LibraryElementImpl(context, libraryName, 0);
+    library.definingCompilationUnit = unit;
+    return library;
+  }
+
+  static LocalVariableElementImpl localVariableElement(Identifier name) => new LocalVariableElementImpl.forNode(name);
+
+  static LocalVariableElementImpl localVariableElement2(String name) => new LocalVariableElementImpl(name, 0);
+
+  static MethodElementImpl methodElement(String methodName, DartType returnType, List<DartType> argumentTypes) {
+    MethodElementImpl method = new MethodElementImpl(methodName, 0);
+    int count = argumentTypes.length;
+    List<ParameterElement> parameters = new List<ParameterElement>(count);
+    for (int i = 0; i < count; i++) {
+      ParameterElementImpl parameter = new ParameterElementImpl("a${i}", i);
+      parameter.type = argumentTypes[i];
+      parameter.parameterKind = ParameterKind.REQUIRED;
+      parameters[i] = parameter;
+    }
+    method.parameters = parameters;
+    method.returnType = returnType;
+    FunctionTypeImpl methodType = new FunctionTypeImpl.con1(method);
+    method.type = methodType;
+    return method;
+  }
+
+  static MethodElementImpl methodElementWithParameters(String methodName, List<DartType> typeArguments, DartType returnType, List<ParameterElement> parameters) {
+    MethodElementImpl method = new MethodElementImpl(methodName, 0);
+    method.parameters = parameters;
+    method.returnType = returnType;
+    FunctionTypeImpl methodType = new FunctionTypeImpl.con1(method);
+    methodType.typeArguments = typeArguments;
+    method.type = methodType;
+    return method;
+  }
+
+  static ParameterElementImpl namedParameter(String name) {
+    ParameterElementImpl parameter = new ParameterElementImpl(name, 0);
+    parameter.parameterKind = ParameterKind.NAMED;
+    return parameter;
+  }
+
+  static ParameterElementImpl namedParameter2(String name, DartType type) {
+    ParameterElementImpl parameter = new ParameterElementImpl(name, 0);
+    parameter.parameterKind = ParameterKind.NAMED;
+    parameter.type = type;
+    return parameter;
+  }
+
+  static ParameterElementImpl positionalParameter(String name) {
+    ParameterElementImpl parameter = new ParameterElementImpl(name, 0);
+    parameter.parameterKind = ParameterKind.POSITIONAL;
+    return parameter;
+  }
+
+  static ParameterElementImpl positionalParameter2(String name, DartType type) {
+    ParameterElementImpl parameter = new ParameterElementImpl(name, 0);
+    parameter.parameterKind = ParameterKind.POSITIONAL;
+    parameter.type = type;
+    return parameter;
+  }
+
+  static PrefixElementImpl prefix(String name) => new PrefixElementImpl(name, 0);
+
+  static ParameterElementImpl requiredParameter(String name) {
+    ParameterElementImpl parameter = new ParameterElementImpl(name, 0);
+    parameter.parameterKind = ParameterKind.REQUIRED;
+    return parameter;
+  }
+
+  static ParameterElementImpl requiredParameter2(String name, DartType type) {
+    ParameterElementImpl parameter = new ParameterElementImpl(name, 0);
+    parameter.parameterKind = ParameterKind.REQUIRED;
+    parameter.type = type;
+    return parameter;
+  }
+
+  static PropertyAccessorElementImpl setterElement(String name, bool isStatic, DartType type) {
+    FieldElementImpl field = new FieldElementImpl(name, -1);
+    field.static = isStatic;
+    field.synthetic = true;
+    field.type = type;
+    PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl.forVariable(field);
+    getter.getter = true;
+    getter.variable = field;
+    getter.returnType = type;
+    field.getter = getter;
+    FunctionTypeImpl getterType = new FunctionTypeImpl.con1(getter);
+    getter.type = getterType;
+    ParameterElementImpl parameter = requiredParameter2("a", type);
+    PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl.forVariable(field);
+    setter.setter = true;
+    setter.synthetic = true;
+    setter.variable = field;
+    setter.parameters = <ParameterElement> [parameter];
+    setter.returnType = VoidTypeImpl.instance;
+    setter.type = new FunctionTypeImpl.con1(setter);
+    field.setter = setter;
+    return setter;
+  }
+
+  static TopLevelVariableElementImpl topLevelVariableElement(Identifier name) => new TopLevelVariableElementImpl.forNode(name);
+
+  static TopLevelVariableElementImpl topLevelVariableElement2(String name) => topLevelVariableElement3(name, false, false, null);
+
+  static TopLevelVariableElementImpl topLevelVariableElement3(String name, bool isConst, bool isFinal, DartType type) {
+    TopLevelVariableElementImpl variable = new TopLevelVariableElementImpl(name, -1);
+    variable.const3 = isConst;
+    variable.final2 = isFinal;
+    variable.synthetic = true;
+    PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl.forVariable(variable);
+    getter.getter = true;
+    getter.synthetic = true;
+    getter.variable = variable;
+    getter.returnType = type;
+    variable.getter = getter;
+    FunctionTypeImpl getterType = new FunctionTypeImpl.con1(getter);
+    getter.type = getterType;
+    if (!isFinal) {
+      PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl.forVariable(variable);
+      setter.setter = true;
+      setter.static = true;
+      setter.synthetic = true;
+      setter.variable = variable;
+      setter.parameters = <ParameterElement> [requiredParameter2("_${name}", type)];
+      setter.returnType = VoidTypeImpl.instance;
+      setter.type = new FunctionTypeImpl.con1(setter);
+      variable.setter = setter;
+    }
+    return variable;
+  }
+}