Copyright (c) 2007, 2013 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2007, 2013 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.core.dom;

import org.eclipse.jdt.core.IJavaElement;

This class represents the recovered binding for a variable
/**
 * This class represents the recovered binding for a variable
 */
class RecoveredVariableBinding implements IVariableBinding {

	private VariableDeclaration variableDeclaration;
	private BindingResolver resolver;

	RecoveredVariableBinding(BindingResolver resolver, VariableDeclaration variableDeclaration) {
		this.resolver = resolver;
		this.variableDeclaration = variableDeclaration;
	}
	@Override
	public Object getConstantValue() {
		return null;
	}

	@Override
	public ITypeBinding getDeclaringClass() {
		ASTNode parent = this.variableDeclaration.getParent();
		while (parent != null && parent.getNodeType() != ASTNode.TYPE_DECLARATION) {
			parent = parent.getParent();
		}
		if (parent != null) {
			return ((TypeDeclaration) parent).resolveBinding();
		}
		return null;
	}

	@Override
	public IMethodBinding getDeclaringMethod() {
		ASTNode parent = this.variableDeclaration.getParent();
		while (parent != null && parent.getNodeType() != ASTNode.METHOD_DECLARATION) {
			parent = parent.getParent();
		}
		if (parent != null) {
			return ((MethodDeclaration) parent).resolveBinding();
		}
		return null;
	}

	@Override
	public String getName() {
		return this.variableDeclaration.getName().getIdentifier();
	}

	@Override
	public ITypeBinding getType() {
		return this.resolver.getTypeBinding(this.variableDeclaration);
	}

	@Override
	public IVariableBinding getVariableDeclaration() {
		return this;
	}

	@Override
	public int getVariableId() {
		return 0;
	}

	@Override
	public boolean isEnumConstant() {
		return false;
	}

	@Override
	public boolean isField() {
		return this.variableDeclaration.getParent() instanceof FieldDeclaration;
	}

	@Override
	public boolean isParameter() {
		return this.variableDeclaration instanceof SingleVariableDeclaration;
	}

	@Override
	public IAnnotationBinding[] getAnnotations() {
		return AnnotationBinding.NoAnnotations;
	}

	@Override
	public IJavaElement getJavaElement() {
		return null;
	}

	@Override
	public String getKey() {
		StringBuffer buffer = new StringBuffer();
		buffer.append("Recovered#"); //$NON-NLS-1$
		if (this.variableDeclaration != null) {
			buffer
				.append("variableDeclaration") //$NON-NLS-1$
				.append(this.variableDeclaration.getClass())
				.append(this.variableDeclaration.getName().getIdentifier())
				.append(this.variableDeclaration.getExtraDimensions());
		}
		return String.valueOf(buffer);
	}

	@Override
	public int getKind() {
		return IBinding.VARIABLE;
	}

	@Override
	public int getModifiers() {
		return 0;
	}

	@Override
	public boolean isDeprecated() {
		return false;
	}

	@Override
	public boolean isEqualTo(IBinding binding) {
		if (binding.isRecovered() && binding.getKind() == IBinding.VARIABLE) {
			return getKey().equals(binding.getKey());
		}
		return false;
	}

	@Override
	public boolean isRecovered() {
		return true;
	}

	@Override
	public boolean isSynthetic() {
		return false;
	}
	@Override
	public boolean isEffectivelyFinal() {
		return false;
	}
}