/*
* Copyright (c) 2012, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.engine.internal.builder;
import com.google.dart.engine.AnalysisEngine;
import com.google.dart.engine.element.ClassElement;
import com.google.dart.engine.element.ConstructorElement;
import com.google.dart.engine.element.FieldElement;
import com.google.dart.engine.element.FunctionElement;
import com.google.dart.engine.element.FunctionTypeAliasElement;
import com.google.dart.engine.element.LabelElement;
import com.google.dart.engine.element.LocalVariableElement;
import com.google.dart.engine.element.MethodElement;
import com.google.dart.engine.element.ParameterElement;
import com.google.dart.engine.element.PropertyAccessorElement;
import com.google.dart.engine.element.TopLevelVariableElement;
import com.google.dart.engine.element.TypeParameterElement;
import com.google.dart.engine.element.VariableElement;
import com.google.dart.engine.internal.element.ClassElementImpl;
import com.google.dart.engine.internal.element.ConstructorElementImpl;
import com.google.dart.engine.internal.element.FieldElementImpl;
import com.google.dart.engine.internal.element.FunctionElementImpl;
import com.google.dart.engine.internal.element.FunctionTypeAliasElementImpl;
import com.google.dart.engine.internal.element.LabelElementImpl;
import com.google.dart.engine.internal.element.LocalVariableElementImpl;
import com.google.dart.engine.internal.element.MethodElementImpl;
import com.google.dart.engine.internal.element.ParameterElementImpl;
import com.google.dart.engine.internal.element.PropertyAccessorElementImpl;
import com.google.dart.engine.internal.element.TopLevelVariableElementImpl;
import com.google.dart.engine.internal.element.TypeParameterElementImpl;
import java.util.ArrayList;
/**
* Instances of the class {@code ElementHolder} hold on to elements created while traversing an AST
* structure so that they can be accessed when creating their enclosing element.
*
* @coverage dart.engine.resolver
*/
public class ElementHolder {
private ArrayList<PropertyAccessorElement> accessors;
private ArrayList<ConstructorElement> constructors;
private ArrayList<ClassElement> enums;
private ArrayList<FieldElement> fields;
private ArrayList<FunctionElement> functions;
private ArrayList<LabelElement> labels;
private ArrayList<VariableElement> localVariables;
private ArrayList<MethodElement> methods;
private ArrayList<ParameterElement> parameters;
private ArrayList<TopLevelVariableElement> topLevelVariables;
private ArrayList<ClassElement> types;
private ArrayList<FunctionTypeAliasElement> typeAliases;
private ArrayList<TypeParameterElement> typeParameters;
/**
* Initialize a newly created element holder.
*/
public ElementHolder() {
super();
}
public void addAccessor(PropertyAccessorElement element) {
if (accessors == null) {
accessors = new ArrayList<PropertyAccessorElement>();
}
accessors.add(element);
}
public void addConstructor(ConstructorElement element) {
if (constructors == null) {
constructors = new ArrayList<ConstructorElement>();
}
constructors.add(element);
}
public void addEnum(ClassElement element) {
if (enums == null) {
enums = new ArrayList<ClassElement>();
}
enums.add(element);
}
public void addField(FieldElement element) {
if (fields == null) {
fields = new ArrayList<FieldElement>();
}
fields.add(element);
}
public void addFunction(FunctionElement element) {
if (functions == null) {
functions = new ArrayList<FunctionElement>();
}
functions.add(element);
}
public void addLabel(LabelElement element) {
if (labels == null) {
labels = new ArrayList<LabelElement>();
}
labels.add(element);
}
public void addLocalVariable(LocalVariableElement element) {
if (localVariables == null) {
localVariables = new ArrayList<VariableElement>();
}
localVariables.add(element);
}
public void addMethod(MethodElement element) {
if (methods == null) {
methods = new ArrayList<MethodElement>();
}
methods.add(element);
}
public void addParameter(ParameterElement element) {
if (parameters == null) {
parameters = new ArrayList<ParameterElement>();
}
parameters.add(element);
}
public void addTopLevelVariable(TopLevelVariableElement element) {
if (topLevelVariables == null) {
topLevelVariables = new ArrayList<TopLevelVariableElement>();
}
topLevelVariables.add(element);
}
public void addType(ClassElement element) {
if (types == null) {
types = new ArrayList<ClassElement>();
}
types.add(element);
}
public void addTypeAlias(FunctionTypeAliasElement element) {
if (typeAliases == null) {
typeAliases = new ArrayList<FunctionTypeAliasElement>();
}
typeAliases.add(element);
}
public void addTypeParameter(TypeParameterElement element) {
if (typeParameters == null) {
typeParameters = new ArrayList<TypeParameterElement>();
}
typeParameters.add(element);
}
public PropertyAccessorElement[] getAccessors() {
if (accessors == null) {
return PropertyAccessorElementImpl.EMPTY_ARRAY;
}
PropertyAccessorElement[] result = accessors.toArray(new PropertyAccessorElement[accessors.size()]);
accessors = null;
return result;
}
public ConstructorElement[] getConstructors() {
if (constructors == null) {
return ConstructorElementImpl.EMPTY_ARRAY;
}
ConstructorElement[] result = constructors.toArray(new ConstructorElement[constructors.size()]);
constructors = null;
return result;
}
public ClassElement[] getEnums() {
if (enums == null) {
return ClassElementImpl.EMPTY_ARRAY;
}
ClassElement[] result = enums.toArray(new ClassElement[enums.size()]);
enums = null;
return result;
}
public FieldElement getField(String fieldName) {
if (fields == null) {
return null;
}
for (FieldElement field : fields) {
if (field.getName().equals(fieldName)) {
return field;
}
}
return null;
}
public FieldElement[] getFields() {
if (fields == null) {
return FieldElementImpl.EMPTY_ARRAY;
}
FieldElement[] result = fields.toArray(new FieldElement[fields.size()]);
fields = null;
return result;
}
public FieldElement[] getFieldsWithoutFlushing() {
if (fields == null) {
return FieldElementImpl.EMPTY_ARRAY;
}
FieldElement[] result = fields.toArray(new FieldElement[fields.size()]);
return result;
}
public FunctionElement[] getFunctions() {
if (functions == null) {
return FunctionElementImpl.EMPTY_ARRAY;
}
FunctionElement[] result = functions.toArray(new FunctionElement[functions.size()]);
functions = null;
return result;
}
public LabelElement[] getLabels() {
if (labels == null) {
return LabelElementImpl.EMPTY_ARRAY;
}
LabelElement[] result = labels.toArray(new LabelElement[labels.size()]);
labels = null;
return result;
}
public LocalVariableElement[] getLocalVariables() {
if (localVariables == null) {
return LocalVariableElementImpl.EMPTY_ARRAY;
}
LocalVariableElement[] result = localVariables.toArray(new LocalVariableElement[localVariables.size()]);
localVariables = null;
return result;
}
public MethodElement[] getMethods() {
if (methods == null) {
return MethodElementImpl.EMPTY_ARRAY;
}
MethodElement[] result = methods.toArray(new MethodElement[methods.size()]);
methods = null;
return result;
}
public ParameterElement[] getParameters() {
if (parameters == null) {
return ParameterElementImpl.EMPTY_ARRAY;
}
ParameterElement[] result = parameters.toArray(new ParameterElement[parameters.size()]);
parameters = null;
return result;
}
public TopLevelVariableElement getTopLevelVariable(String variableName) {
if (topLevelVariables == null) {
return null;
}
for (TopLevelVariableElement variable : topLevelVariables) {
if (variable.getName().equals(variableName)) {
return variable;
}
}
return null;
}
public TopLevelVariableElement[] getTopLevelVariables() {
if (topLevelVariables == null) {
return TopLevelVariableElementImpl.EMPTY_ARRAY;
}
TopLevelVariableElement[] result = topLevelVariables.toArray(new TopLevelVariableElement[topLevelVariables.size()]);
topLevelVariables = null;
return result;
}
public FunctionTypeAliasElement[] getTypeAliases() {
if (typeAliases == null) {
return FunctionTypeAliasElementImpl.EMPTY_ARRAY;
}
FunctionTypeAliasElement[] result = typeAliases.toArray(new FunctionTypeAliasElement[typeAliases.size()]);
typeAliases = null;
return result;
}
public TypeParameterElement[] getTypeParameters() {
if (typeParameters == null) {
return TypeParameterElementImpl.EMPTY_ARRAY;
}
TypeParameterElement[] result = typeParameters.toArray(new TypeParameterElement[typeParameters.size()]);
typeParameters = null;
return result;
}
public ClassElement[] getTypes() {
if (types == null) {
return ClassElementImpl.EMPTY_ARRAY;
}
ClassElement[] result = types.toArray(new ClassElement[types.size()]);
types = null;
return result;
}
public void validate() {
StringBuilder builder = new StringBuilder();
if (accessors != null) {
builder.append(accessors.size());
builder.append(" accessors");
}
if (constructors != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(constructors.size());
builder.append(" constructors");
}
if (fields != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(fields.size());
builder.append(" fields");
}
if (functions != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(functions.size());
builder.append(" functions");
}
if (labels != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(labels.size());
builder.append(" labels");
}
if (localVariables != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(localVariables.size());
builder.append(" local variables");
}
if (methods != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(methods.size());
builder.append(" methods");
}
if (parameters != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(parameters.size());
builder.append(" parameters");
}
if (topLevelVariables != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(topLevelVariables.size());
builder.append(" top-level variables");
}
if (types != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(types.size());
builder.append(" types");
}
if (typeAliases != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(typeAliases.size());
builder.append(" type aliases");
}
if (typeParameters != null) {
if (builder.length() > 0) {
builder.append("; ");
}
builder.append(typeParameters.size());
builder.append(" type parameters");
}
if (builder.length() > 0) {
AnalysisEngine.getInstance().getLogger().logError(
"Failed to capture elements: " + builder.toString());
}
}
}