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/*******************************************************************************
* Copyright (c) 2015 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.compiler.internal.qvtr2qvtc;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.pivot.NavigationCallExp;
import org.eclipse.ocl.pivot.OCLExpression;
import org.eclipse.ocl.pivot.Property;
import org.eclipse.ocl.pivot.Type;
import org.eclipse.ocl.pivot.Variable;
import org.eclipse.ocl.pivot.VariableExp;
import org.eclipse.ocl.pivot.utilities.ClassUtil;
import org.eclipse.qvtd.compiler.CompilerChainException;
import org.eclipse.qvtd.pivot.qvtbase.Domain;
import org.eclipse.qvtd.pivot.qvtbase.Predicate;
import org.eclipse.qvtd.pivot.qvtrelation.Relation;
import org.eclipse.qvtd.pivot.qvtrelation.RelationCallExp;
import org.eclipse.qvtd.pivot.qvtrelation.RelationDomain;
import org.eclipse.qvtd.pivot.qvttemplate.TemplateExp;
/*public*/ class InvokedRelationToMappingForEnforcement extends AbstractQVTr2QVTcRelations
{
private class InvokedEnforceableRelationDomain2CoreMapping extends AbstractEnforceableRelationDomain2CoreMapping
{
protected class InvokedOtherRelationDomain2CoreDomain extends AbstractOtherRelationDomain2CoreDomain
{
public InvokedOtherRelationDomain2CoreDomain(@NonNull RelationDomain rOtherDomain) {
super(rOtherDomain);
}
// body of IROppositeDomainsToMappingForEnforcement
@Override
public void mapOtherDomainToDomainVariablesAndPatterns() throws CompilerChainException {
List<@NonNull Variable> rOtherDomainVariables = getDomainVariables(rOtherDomain); //ClassUtil.nullFree(rOtherDomainPattern.getBindsTo());
List<@NonNull TemplateExp> rOtherTemplateExpressions = getTemplateExpressions(rOtherDomain);
List<@NonNull Variable> rOtherRootVariables = getRootVariables(rOtherDomain);
//
Set<@NonNull Variable> rOtherGuardVariables = new HashSet<@NonNull Variable>(rOtherDomainVariables);
rOtherGuardVariables.retainAll(rWhenVariables);
rOtherGuardVariables.addAll(rOtherRootVariables);
//
Set<@NonNull Variable> rOtherBottomVariables = new HashSet<@NonNull Variable>(rOtherDomainVariables);
rOtherBottomVariables.removeAll(rWhenVariables);
rOtherBottomVariables.removeAll(rSharedVariables);
rOtherBottomVariables.removeAll(rOtherRootVariables);
//
Set<@NonNull Variable> rMiddleBottomVariables = new HashSet<@NonNull Variable>(rOtherDomainVariables);
rMiddleBottomVariables.removeAll(rWhenVariables);
rMiddleBottomVariables.retainAll(rSharedVariables);
rMiddleBottomVariables.removeAll(rOtherRootVariables);
//
mapVariablesToVariables(rOtherGuardVariables, cOtherGuardPattern);
mapVariablesToVariables(rOtherBottomVariables, cOtherBottomPattern);
mapVariablesToVariables(rMiddleBottomVariables, cMiddleBottomPattern);
for (@NonNull TemplateExp rOtherTemplateExpression : rOtherTemplateExpressions) {
addTemplateExpressionToMiddleBottom(rOtherTemplateExpression);
}
}
}
private @NonNull Relation rInvokingRelation;
private @NonNull RelationCallExp rInvocation;
public InvokedEnforceableRelationDomain2CoreMapping(@NonNull RelationCallExp rInvocation, @NonNull RelationDomain rEnforcedDomain, @NonNull String cMappingName) {
super(rEnforcedDomain, cMappingName);
this.rInvocation = rInvocation;
this.rInvokingRelation = qvtr2qvtc.getInvokingRelationForRelationCallExp(rInvocation);
}
@Override
protected @NonNull AbstractOtherRelationDomain2CoreDomain createOtherDomain2CoreDomain( @NonNull RelationDomain rRelationDomain) {
return new InvokedOtherRelationDomain2CoreDomain(rRelationDomain);
}
// RInvokerToMGuard
private void mapInvokerToGuardPredicates() throws CompilerChainException {
// where
List<@NonNull Domain> dseq = new ArrayList<@NonNull Domain>(ClassUtil.nullFree(rRelation.getDomain()));
List<@NonNull OCLExpression> rArguments = ClassUtil.nullFree(rInvocation.getArgument());
for (@NonNull OCLExpression rArgument : rArguments) {
VariableExp rArgumentVariableExp = (VariableExp)rArgument;
@NonNull RelationDomain rArgumentDomain = (RelationDomain) dseq.get(rArguments.indexOf(rArgumentVariableExp)); // FIXME multi-roots
// RInvokerToMGuardPredicate
Type traceClass = qvtr2qvtc.getTraceClass(rInvokingRelation);
Variable rArgumentVariable = (Variable) ClassUtil.nonNullState(rArgumentVariableExp.getReferredVariable());
Variable rRootVariable = ClassUtil.nonNullState(rArgumentDomain.getRootVariable().get(0));
Variable vd = whenVariable(cMiddleGuardPattern, traceClass.getName()+"_v", traceClass);
Variable cRootVariable = getCoreVariable(rRootVariable);
Property cProperty = getProperty(vd.getType(), rArgumentVariable);
NavigationCallExp cTraceValue = createNavigationCallExp(createVariableExp(vd), cProperty);
addConditionPredicate(cMiddleGuardPattern, cTraceValue, createVariableExp(cRootVariable));
}
}
@Override
protected void where() throws CompilerChainException {
Set<@NonNull Variable> rEnforcedBottomDomainVariables = new HashSet<@NonNull Variable>(rEnforcedDomainVariables);
rEnforcedBottomDomainVariables.removeAll(rWhenVariables);
rEnforcedBottomDomainVariables.removeAll(rSharedVariables);
rEnforcedBottomDomainVariables.removeAll(rEnforcedRootVariables);
//
Set<@NonNull Predicate> rPredicatesWithVariableBindings = selectPredicatesThatReferToVariables(rPredicates, rEnforcedBottomDomainVariables);
//
Set<@NonNull Predicate> rPredicatesWithoutVariableBindings = new HashSet<@NonNull Predicate>(rPredicates);
rPredicatesWithoutVariableBindings.removeAll(rPredicatesWithVariableBindings);
//
Set<@NonNull Variable> rEnforcedDomainGuardVariables = new HashSet<@NonNull Variable>(rEnforcedDomainVariables);
rEnforcedDomainGuardVariables.retainAll(rWhenVariables);
rEnforcedDomainGuardVariables.addAll(rEnforcedRootVariables);
// Relation Calls
// T5
mapPredicatesToPredicates(rPredicatesWithVariableBindings);
mapVariablesToVariables(rEnforcedDomainGuardVariables, cEnforcedGuardPattern);
//T4
mapVariablesToVariables(rMiddleBottomDomainVariables, cMiddleBottomPattern);
//T3
// IROppositeDomainsToMappingForEnforcement
for (@NonNull AbstractOtherRelationDomain2CoreDomain otherDomain2coreDomain : otherDomain2coreDomains) {
otherDomain2coreDomain.mapOtherDomainToDomainVariablesAndPatterns();
}
mapInvokerToGuardPredicates();
mapDomainVariablesToMiddleVariableAssignments(rOtherDomainVariables);
mapWhenPatternToGuardPatterns();
mapEnforcedDomain(rPredicatesWithoutVariableBindings, rEnforcedBottomDomainVariables);
mapRelationImplementationToEnforcementOperation();
}
}
public InvokedRelationToMappingForEnforcement(@NonNull QVTrToQVTc qvtr2qvtc, @NonNull Relation rRelation) {
super(qvtr2qvtc, rRelation);
assert !rRelation.isIsTopLevel();
}
public void doInvokedRelationToMappingForEnforcement() throws CompilerChainException {
// check() {
@NonNull List<@NonNull InvokedEnforceableRelationDomain2CoreMapping> enforceableRelationDomain2coreMappings = new ArrayList<@NonNull InvokedEnforceableRelationDomain2CoreMapping>();
for (@NonNull RelationCallExp rInvocation : qvtr2qvtc.getRelationCallExpsForRelation(rRelation)) {
System.out.println("invocation" + rRelation + " from " + rInvocation);
for (@NonNull Domain rDomain : ClassUtil.nullFree(rRelation.getDomain())) {
if (rDomain.isIsEnforceable()) {
RelationDomain rEnforcedDomain = (RelationDomain)rDomain;
// @NonNull DomainPattern rEnforcedDomainPattern = qvtr2qvtc.getDomainPattern(rEnforcedDomain);
// TemplateExp rEnforcedTemplateExpression = rEnforcedDomainPattern.getTemplateExpression();
String coreMappingName = getCoreMappingName(rInvocation, rEnforcedDomain);
// if (rEnforcedTemplateExpression instanceof ObjectTemplateExp) {
enforceableRelationDomain2coreMappings.add(new InvokedEnforceableRelationDomain2CoreMapping(rInvocation, rEnforcedDomain, coreMappingName));
// }
// else {
// throw new CompilerChainException("Missing doInvokedRelationToMappingForEnforcement support for CollectionTemplateExp");
// enforceableRelationDomain2coreMappings.add(new InvokedEnforceableRelationDomain2CoreMapping(rInvocation, rEnforcedDomain, coreMappingName));
// }
}
}
}
// where()
where(rRelation, enforceableRelationDomain2coreMappings);
}
private @NonNull String getCoreMappingName(@NonNull RelationCallExp rInvocation, @NonNull RelationDomain rEnforcedDomain) {
@NonNull Relation rInvokingRelation = qvtr2qvtc.getInvokingRelationForRelationCallExp(rInvocation);
@NonNull String rRelationName = ClassUtil.nonNullState(rRelation.getName());
@NonNull String rRelationNameName = ClassUtil.nonNullState(rInvokingRelation.getName());
return rRelationName + '_' + rRelationNameName + '_' + rEnforcedDomain.getName();
}
}
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