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/*******************************************************************************
* Copyright (c) 2013, 2016 Willink Transformations 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:
* E.D.Willink - Initial API and implementation
*******************************************************************************/
package org.eclipse.qvtd.codegen.qvti.analyzer;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.examples.codegen.analyzer.BoxingAnalyzer;
import org.eclipse.ocl.examples.codegen.cgmodel.CGValuedElement;
import org.eclipse.ocl.examples.codegen.cgmodel.CGVariable;
import org.eclipse.ocl.examples.codegen.cgmodel.CGVariableExp;
import org.eclipse.ocl.examples.codegen.generator.TypeDescriptor;
import org.eclipse.ocl.pivot.Element;
import org.eclipse.ocl.pivot.TypedElement;
import org.eclipse.ocl.pivot.VariableDeclaration;
import org.eclipse.qvtd.codegen.qvticgmodel.CGConnectionAssignment;
import org.eclipse.qvtd.codegen.qvticgmodel.CGConnectionVariable;
import org.eclipse.qvtd.codegen.qvticgmodel.CGEcoreContainerAssignment;
import org.eclipse.qvtd.codegen.qvticgmodel.CGEcorePropertyAssignment;
import org.eclipse.qvtd.codegen.qvticgmodel.CGEcoreRealizedVariable;
import org.eclipse.qvtd.codegen.qvticgmodel.CGFunction;
import org.eclipse.qvtd.codegen.qvticgmodel.CGFunctionCallExp;
import org.eclipse.qvtd.codegen.qvticgmodel.CGFunctionParameter;
import org.eclipse.qvtd.codegen.qvticgmodel.CGGuardVariable;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMapping;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMappingCall;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMappingCallBinding;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMappingExp;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMappingLoop;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMiddlePropertyAssignment;
import org.eclipse.qvtd.codegen.qvticgmodel.CGMiddlePropertyCallExp;
import org.eclipse.qvtd.codegen.qvticgmodel.CGPropertyAssignment;
import org.eclipse.qvtd.codegen.qvticgmodel.CGRealizedVariable;
import org.eclipse.qvtd.codegen.qvticgmodel.CGSequence;
import org.eclipse.qvtd.codegen.qvticgmodel.CGTransformation;
import org.eclipse.qvtd.codegen.qvticgmodel.CGTypedModel;
import org.eclipse.qvtd.codegen.qvticgmodel.util.QVTiCGModelVisitor;
import org.eclipse.qvtd.pivot.qvtimperative.ConnectionVariable;
import org.eclipse.qvtd.pivot.qvtimperative.MappingCallBinding;
public class QVTiBoxingAnalyzer extends BoxingAnalyzer implements QVTiCGModelVisitor<@Nullable Object>
{
public QVTiBoxingAnalyzer(@NonNull QVTiAnalyzer analyzer) {
super(analyzer);
}
@Override
protected CGValuedElement rewriteAsCast(@Nullable CGVariableExp cgChild) {
if ((cgChild != null) && (cgChild.eContainer() instanceof CGMappingCallBinding)) {
return cgChild;
}
return super.rewriteAsCast(cgChild);
}
@Override
public @Nullable Object visitCGConnectionAssignment(@NonNull CGConnectionAssignment object) {
return visitCGValuedElement(object);
}
@Override
public @Nullable Object visitCGConnectionVariable(@NonNull CGConnectionVariable object) {
return visitCGGuardVariable(object);
}
@Override
public @Nullable Object visitCGEcoreContainerAssignment(@NonNull CGEcoreContainerAssignment cgEcoreContainerAssignment) {
EStructuralFeature eStructuralFeature = cgEcoreContainerAssignment.getEStructuralFeature();
boolean isRequired = eStructuralFeature.isRequired();
rewriteAsEcore(cgEcoreContainerAssignment.getSlotValue(), eStructuralFeature.getEType());
rewriteAsEcore(cgEcoreContainerAssignment.getInitValue(), eStructuralFeature.getEContainingClass());
if (isRequired) {
rewriteAsGuarded(cgEcoreContainerAssignment.getSlotValue(), false, "value for " + cgEcoreContainerAssignment.getReferredProperty() + " assignment");
}
return visitCGPropertyAssignment(cgEcoreContainerAssignment);
}
@Override
public @Nullable Object visitCGEcorePropertyAssignment(@NonNull CGEcorePropertyAssignment cgEcorePropertyAssignment) {
EStructuralFeature eStructuralFeature = cgEcorePropertyAssignment.getEStructuralFeature();
rewriteAsEcore(cgEcorePropertyAssignment.getSlotValue(), eStructuralFeature.getEContainingClass());
rewriteAsEcore(cgEcorePropertyAssignment.getInitValue(), eStructuralFeature.getEType());
if (eStructuralFeature.isRequired()) {
CGValuedElement cgInit = cgEcorePropertyAssignment.getInitValue();
TypeDescriptor typeDescriptor = cgInit != null ? codeGenerator.getTypeDescriptor(cgInit) : null;
if ((typeDescriptor == null) || !typeDescriptor.isPrimitive()) {
rewriteAsGuarded(cgInit, false, "value for " + cgEcorePropertyAssignment.getReferredProperty() + " assignment");
}
}
return visitCGPropertyAssignment(cgEcorePropertyAssignment);
}
@Override
public @Nullable Object visitCGEcoreRealizedVariable(@NonNull CGEcoreRealizedVariable cgEcoreRealizedVariable) {
rewriteAsAssertNonNulled(cgEcoreRealizedVariable);
return visitCGRealizedVariable(cgEcoreRealizedVariable);
}
@Override
public @Nullable Object visitCGFunction(@NonNull CGFunction cgFunction) {
visitCGOperation(cgFunction);
rewriteAsUnboxed(cgFunction.getBody());
return null;
}
@Override
public @Nullable Object visitCGFunctionCallExp(@NonNull CGFunctionCallExp cgFunctionCallExp) {
visitCGOperationCallExp(cgFunctionCallExp);
for (CGValuedElement cgArgument : cgFunctionCallExp.getArguments()) {
rewriteAsUnboxed(cgArgument);
}
return null;
}
@Override
public @Nullable Object visitCGFunctionParameter(@NonNull CGFunctionParameter object) {
return visitCGParameter(object);
}
@Override
public @Nullable Object visitCGGuardVariable(@NonNull CGGuardVariable object) {
return visitCGParameter(object);
}
@Override
public @Nullable Object visitCGMapping(@NonNull CGMapping cgMapping) {
return visitCGNamedElement(cgMapping);
}
@Override
public @Nullable Object visitCGMappingCall(@NonNull CGMappingCall cgMappingCall) {
return visitCGValuedElement(cgMappingCall);
}
@Override
public @Nullable Object visitCGMappingCallBinding(@NonNull CGMappingCallBinding cgMappingCallBinding) {
MappingCallBinding mappingCallBinding = (MappingCallBinding)cgMappingCallBinding.getAst();
VariableDeclaration boundVariable = mappingCallBinding.getBoundVariable();
assert boundVariable != null;
if (boundVariable instanceof ConnectionVariable) {
//
}
else if (cgMappingCallBinding.isRequired()) {
rewriteAsUnboxed(rewriteAsGuarded(cgMappingCallBinding.getValue(), false, "binding for '" + mappingCallBinding.getMappingCall().getReferredMapping().getName() + "::" + boundVariable.getName() + "'")); // FIXME referred mapping
}
else {
rewriteAsUnboxed(cgMappingCallBinding.getValue());
}
return visitCGValuedElement(cgMappingCallBinding);
}
@Override
public @Nullable Object visitCGMappingExp(@NonNull CGMappingExp object) {
return visitCGValuedElement(object);
}
@Override
public @Nullable Object visitCGMappingLoop(@NonNull CGMappingLoop cgMappingLoop) {
visitCGIterationCallExp(cgMappingLoop);
// rewriteAsUnboxed(cgMappingLoop.getSource());
return null;
}
@Override
public @Nullable Object visitCGMiddlePropertyAssignment(@NonNull CGMiddlePropertyAssignment cgMiddlePropertyAssignment) {
rewriteAsUnboxed(cgMiddlePropertyAssignment.getSlotValue());
rewriteAsUnboxed(cgMiddlePropertyAssignment.getInitValue());
return visitCGPropertyAssignment(cgMiddlePropertyAssignment);
}
@Override
public @Nullable Object visitCGMiddlePropertyCallExp(@NonNull CGMiddlePropertyCallExp object) {
return visitCGOppositePropertyCallExp(object);
}
@Override
public @Nullable Object visitCGPropertyAssignment(@NonNull CGPropertyAssignment cgPropertyAssignment) {
return visitCGValuedElement(cgPropertyAssignment);
}
@Override
public @Nullable Object visitCGRealizedVariable(@NonNull CGRealizedVariable cgRealizedVariable) {
return visitCGVariable(cgRealizedVariable);
}
@Override
public @Nullable Object visitCGSequence(@NonNull CGSequence object) {
return visitCGValuedElement(object);
}
@Override
public @Nullable Object visitCGTransformation(@NonNull CGTransformation cgTransformation) {
return visitCGClass(cgTransformation);
}
@Override
public @Nullable Object visitCGTypedModel(@NonNull CGTypedModel object) {
return visitCGNamedElement(object);
}
@Override
public @Nullable Object visitCGVariable(@NonNull CGVariable object) {
Object visitCGVariable = super.visitCGVariable(object);
Element asElement = object.getAst();
if ((asElement instanceof TypedElement) && ((TypedElement)asElement).isIsRequired()) {
CGValuedElement cgInit = object.getInit();
if (cgInit != null) {
TypeDescriptor typeDescriptor = codeGenerator.getTypeDescriptor(cgInit);
if (!typeDescriptor.isPrimitive()) {
rewriteAsGuarded(cgInit, false, "where non-null value required");
}
}
}
return visitCGVariable;
}
}
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