/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.astview.views;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.php.core.ast.nodes.*;
public class ASTViewContentProvider implements ITreeContentProvider {
public void inputChanged(Viewer v, Object oldInput, Object newInput) {
}
public void dispose() {
}
public Object[] getElements(Object parent) {
return getChildren(parent);
}
public Object getParent(Object child) {
if (child instanceof ASTNode) {
ASTNode node= (ASTNode) child;
ASTNode parent= node.getParent();
if (parent != null) {
StructuralPropertyDescriptor prop= node.getLocationInParent();
return new NodeProperty(parent, prop);
}
} //TODO ('else' block was remarked ! ) (NIRC)
else if (child instanceof ASTAttribute) {
return ((ASTAttribute) child).getParent();
}
return null;
}
public Object[] getChildren(Object parent) {
if (parent instanceof ASTAttribute) {
return ((ASTAttribute) parent).getChildren();
} else if (parent instanceof ASTNode) {
return getNodeChildren((ASTNode) parent);
}
return new Object[0];
}
private Object[] getNodeChildren(ASTNode node) {
ArrayList res= new ArrayList();
if (node instanceof Expression) {
Expression expression= (Expression) node;
try {
ITypeBinding expressionTypeBinding= expression.resolveTypeBinding();
res.add(createExpressionTypeBinding(node, expressionTypeBinding));
} catch (Exception e) {
}
/*
// expressions:
if (expression instanceof Identifier) {
IBinding binding= ((Identifier) expression).resolveBinding();
if (binding != expressionTypeBinding)
res.add(createBinding(expression, binding));
} else if (expression instanceof MethodInvocation) {
MethodInvocation methodInvocation= (MethodInvocation) expression;
IMethodBinding binding= methodInvocation.resolveMethodBinding();
res.add(createBinding(expression, binding));
String inferred = "nir" ; //FIXME String.valueOf(methodInvocation.isResolvedTypeInferredFromExpectedType());
res.add(new GeneralAttribute(expression, "ResolvedTypeInferredFromExpectedType", inferred)); //$NON-NLS-1$
} else if (expression instanceof ClassInstanceCreation) {
IMethodBinding binding= ((ClassInstanceCreation) expression).resolveConstructorBinding();
res.add(createBinding(expression, binding));
} else if (expression instanceof FieldAccess) {
IVariableBinding binding= ((FieldAccess) expression).resolveFieldBinding();
res.add(createBinding(expression, binding));
} else if (expression instanceof InfixExpression) {
ITypeBinding binding= ((InfixExpression) expression).resolveTypeBinding();
res.add(createBinding(expression, binding));
}
//Assignment, InfixExpression
// Expression attributes:
//FIXME : res.add(new GeneralAttribute(expression, "Boxing: " + expression.resolveBoxing() + "; Unboxing: " + expression.resolveUnboxing())); //$NON-NLS-1$ //$NON-NLS-2$
res.add(new GeneralAttribute(expression, "ConstantExpressionValue", expression.resolveConstantExpressionValue())); //$NON-NLS-1$
// references:
} /*else if (node instanceof ConstructorInvocation) {
IMethodBinding binding= ((ConstructorInvocation) node).resolveConstructorBinding();
res.add(createBinding(node, binding));
} else if (node instanceof SuperConstructorInvocation) {
IMethodBinding binding= ((SuperConstructorInvocation) node).resolveConstructorBinding();
res.add(createBinding(node, binding));
} else if (node instanceof MethodRef) {
IBinding binding= ((MethodRef) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof MemberRef) {
IBinding binding= ((MemberRef) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof Type) {
IBinding binding= ((Type) node).resolveBinding();
res.add(createBinding(node, binding));
// declarations:
} else if (node instanceof AbstractTypeDeclaration) {
IBinding binding= ((AbstractTypeDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof AnnotationTypeMemberDeclaration) {
IBinding binding= ((AnnotationTypeMemberDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof EnumConstantDeclaration) {
IBinding binding= ((EnumConstantDeclaration) node).resolveVariable();
res.add(createBinding(node, binding));
IBinding binding2= ((EnumConstantDeclaration) node).resolveConstructorBinding();
res.add(createBinding(node, binding2));
} else if (node instanceof MethodDeclaration) {
IBinding binding= ((MethodDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof VariableDeclaration) {
IBinding binding= ((VariableDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof AnonymousClassDeclaration) {
IBinding binding= ((AnonymousClassDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof ImportDeclaration) {
IBinding binding= ((ImportDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof PackageDeclaration) {
IBinding binding= ((PackageDeclaration) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof TypeParameter) {
IBinding binding= ((TypeParameter) node).resolveBinding();
res.add(createBinding(node, binding));
} else if (node instanceof MemberValuePair) {
IBinding binding= ((MemberValuePair) node).resolveMemberValuePairBinding();
res.add(createBinding(node, binding));
*/}
// adds children nodes of the current ast node
List list= node.structuralPropertiesForType();
for (int i= 0; i < list.size(); i++) {
StructuralPropertyDescriptor curr= (StructuralPropertyDescriptor) list.get(i);
res.add(new NodeProperty(node, curr));
}
if (node instanceof Program) {
Program root= (Program) node;
res.add(new PhpElement(root, root.getSourceModule()));
res.add(new CommentsProperty(root));
// res.add(new ProblemsProperty(root)); TODO should add ast problems
res.add(new SettingsProperty(root));
// res.add(new WellKnownTypesProperty(root)); TODO : currently we don't have well known types
}
return res.toArray();
}
private Binding createBinding(ASTNode parent, IBinding binding) {
String label= Binding.getBindingLabel(binding);
return new Binding(parent, label, binding, true);
}
private Object createExpressionTypeBinding(ASTNode parent, ITypeBinding binding) {
String label= "> (Expression) type binding"; //$NON-NLS-1$
return new Binding(parent, label, binding, true);
}
public boolean hasChildren(Object parent) {
return getChildren(parent).length > 0;
}
}