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/*******************************************************************************
* Copyright (c) 2022 Willink Transformation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* Contributors:
* E.D.Willink - Initial API and implementation
*******************************************************************************/
package org.eclipse.qvtd.codegen.qvti.java;
import java.util.List;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.examples.codegen.analyzer.AS2CGVisitor;
import org.eclipse.ocl.examples.codegen.analyzer.BoxingAnalyzer;
import org.eclipse.ocl.examples.codegen.analyzer.CodeGenAnalyzer;
import org.eclipse.ocl.examples.codegen.cgmodel.CGOperation;
import org.eclipse.ocl.examples.codegen.cgmodel.CGOperationCallExp;
import org.eclipse.ocl.examples.codegen.cgmodel.CGParameter;
import org.eclipse.ocl.examples.codegen.cgmodel.CGValuedElement;
import org.eclipse.ocl.pivot.ExpressionInOCL;
import org.eclipse.ocl.pivot.OCLExpression;
import org.eclipse.ocl.pivot.Operation;
import org.eclipse.ocl.pivot.OperationCallExp;
import org.eclipse.ocl.pivot.Parameter;
import org.eclipse.ocl.pivot.Type;
import org.eclipse.ocl.pivot.library.LibraryOperation;
import org.eclipse.qvtd.codegen.qvti.analyzer.QVTiAS2CGVisitor;
import org.eclipse.qvtd.codegen.qvticgmodel.CGFunction;
import org.eclipse.qvtd.codegen.qvticgmodel.CGFunctionCallExp;
import org.eclipse.qvtd.codegen.qvticgmodel.QVTiCGModelFactory;
import org.eclipse.qvtd.codegen.utilities.QVTiCGUtil;
import org.eclipse.qvtd.pivot.qvtbase.Function;
/**
* InternalFunctionOperationCallingConvention defines the support for the call of a QVTi function implemented by an OCL expression.
*/
public class InternalFunctionOperationCallingConvention extends FunctionOperationCallingConvention // cg Cached/Constrained
{
public static final @NonNull InternalFunctionOperationCallingConvention INSTANCE = new InternalFunctionOperationCallingConvention();
@Override
public void createCGBody(@NonNull AS2CGVisitor as2cgVisitor, @NonNull CGOperation cgOperation) {
CGFunction cgFunction = (CGFunction)cgOperation;
Function asFunction = QVTiCGUtil.getAST(cgFunction);
OCLExpression query = asFunction.getQueryExpression(); //getBodyExpression();
// callingConvention.createCGParameters(this, cgFunction, null);
assert asFunction.getImplementationClass() == null;
assert query != null;
// try {
// ExpressionInOCL query = metamodelManager.parseSpecification(specification);
// Variable contextVariable = query.getOwnedContext();
// if (contextVariable != null) {
// getParameter(contextVariable);
// }
// for (@SuppressWarnings("null")@NonNull Variable parameterVariable : query.getOwnedParameters()) {
// getParameter(parameterVariable);
// }
// cgFunction.setBody(doVisit(CGValuedElement.class, query)); //.getOwnedBody()));
super.createCGBody(as2cgVisitor, cgFunction);
// } catch (ParserException e) {
// TODO Auto-generated catch block
// e.printStackTrace();
// }
// analyzer.addFunction(asFunction, cgFunction); */
}
@Override
public @NonNull CGFunction createCGOperation(@NonNull CodeGenAnalyzer analyzer, @Nullable Type asSourceType, @NonNull Operation asOperation) {
assert asOperation.getImplementationClass() == null;
CGFunction cgFunction = QVTiCGModelFactory.eINSTANCE.createCGFunction();
analyzer.installOperation(asOperation, cgFunction, this);
return cgFunction;
}
@Override
public @NonNull CGValuedElement createCGOperationCallExp(@NonNull AS2CGVisitor as2cgVisitor, @NonNull CGOperation cgOperation, @NonNull LibraryOperation libraryOperation,
@Nullable CGValuedElement cgSource, @NonNull OperationCallExp asOperationCallExp) {
QVTiAS2CGVisitor qvtias2cgVisitor = (QVTiAS2CGVisitor)as2cgVisitor;
QVTiCodeGenerator codeGenerator = qvtias2cgVisitor.getCodeGenerator();
CGFunction cgFunction = (CGFunction)cgOperation;
Function asFunction = QVTiCGUtil.getAST(cgFunction);
boolean useClassToCreateObject = codeGenerator.getShadowExp(asFunction) != null;
CGFunctionCallExp cgFunctionCallExp = QVTiCGModelFactory.eINSTANCE.createCGFunctionCallExp();
initCallExp(as2cgVisitor, cgFunctionCallExp, asOperationCallExp, cgOperation, asFunction.isIsRequired());
assert !useClassToCreateObject;
assert cgSource != null;
cgFunctionCallExp.getArguments().add(cgSource);
initCallArguments(as2cgVisitor, cgFunctionCallExp);
return cgFunctionCallExp;
}
@Override
public void createCGParameters(@NonNull AS2CGVisitor as2cgVisitor, @NonNull CGOperation cgOperation, @Nullable ExpressionInOCL bodyExpression) {
QVTiAS2CGVisitor qvtias2cgVisitor = (QVTiAS2CGVisitor)as2cgVisitor;
QVTiCodeGenerator codeGenerator = qvtias2cgVisitor.getCodeGenerator();
CGFunction cgFunction = (CGFunction)cgOperation;
Function asFunction = QVTiCGUtil.getAST(cgFunction);
boolean useClassToCreateObject = codeGenerator.getShadowExp(asFunction) != null;
assert !useClassToCreateObject;
List<CGParameter> cgParameters = cgFunction.getParameters();
cgParameters.add(((QVTiNestedNameManager)qvtias2cgVisitor.getNameManager()).getThisTransformerParameter());
for (Parameter asParameter : asFunction.getOwnedParameters()) {
CGParameter cgParameter = as2cgVisitor.doVisit(CGParameter.class, asParameter);
cgParameters.add(cgParameter);
}
}
@Override
public void rewriteWithBoxingAndGuards(@NonNull BoxingAnalyzer boxingAnalyzer,@NonNull CGOperationCallExp cgOperationCallExp) {
for (CGValuedElement cgArgument : cgOperationCallExp.getArguments()) {
boxingAnalyzer.rewriteAsBoxed(cgArgument);
}
}
}
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