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Added symbolic service resolution and service loading using the JDT.
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164
....ide.jdt/src/org/eclipse/acceleo/query/ide/jdt/runtime/impl/EclipseJDTIMethodService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023 Obeo. | ||
| * 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: | ||
| * Obeo - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.acceleo.query.ide.jdt.runtime.impl; | ||
|
|
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| import java.util.ArrayList; | ||
| import java.util.LinkedHashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
|
|
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| import org.eclipse.acceleo.query.ide.jdt.Activator; | ||
| import org.eclipse.acceleo.query.ide.jdt.validation.type.EclipseJDTITypeType; | ||
| import org.eclipse.acceleo.query.runtime.IReadOnlyQueryEnvironment; | ||
| import org.eclipse.acceleo.query.runtime.impl.AbstractService; | ||
| import org.eclipse.acceleo.query.runtime.impl.JavaMethodService; | ||
| import org.eclipse.acceleo.query.runtime.namespace.ILoader; | ||
| import org.eclipse.acceleo.query.validation.type.IType; | ||
| import org.eclipse.core.runtime.IStatus; | ||
| import org.eclipse.core.runtime.Status; | ||
| import org.eclipse.jdt.core.ILocalVariable; | ||
| import org.eclipse.jdt.core.IMethod; | ||
| import org.eclipse.jdt.core.JavaModelException; | ||
| import org.eclipse.jdt.core.Signature; | ||
|
|
||
| /** | ||
| * Implementation of an {@link org.eclipse.acceleo.query.runtime.IService IService} for Eclipse JDT | ||
| * {@link IMethod}. | ||
| * | ||
| * @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a> | ||
| */ | ||
| public class EclipseJDTIMethodService extends AbstractService<IMethod> { | ||
|
|
||
| /** | ||
| * Constructor. | ||
| * | ||
| * @param method | ||
| * the {@link IMethod} | ||
| */ | ||
| public EclipseJDTIMethodService(IMethod method) { | ||
| super(method); | ||
| } | ||
|
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| @Override | ||
| public String getName() { | ||
| return getOrigin().getElementName(); | ||
| } | ||
|
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| @Override | ||
| public String getShortSignature() { | ||
| try { | ||
| return getOrigin().getSignature(); | ||
| } catch (JavaModelException e) { | ||
| return getName() + "(...)"; | ||
| } | ||
| } | ||
|
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| @Override | ||
| public String getLongSignature() { | ||
| return getOrigin().getDeclaringType() + "::" + getShortSignature(); | ||
| } | ||
|
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| @Override | ||
| public List<IType> computeParameterTypes(IReadOnlyQueryEnvironment queryEnvironment) { | ||
| final List<IType> res = new ArrayList<IType>(); | ||
|
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| try { | ||
| for (ILocalVariable parameter : getOrigin().getParameters()) { | ||
| final org.eclipse.jdt.core.IType type = getITypeFromSignature(parameter.getTypeSignature()); | ||
| res.add(getITypeType(queryEnvironment, type)); | ||
| } | ||
| } catch (JavaModelException e) { | ||
| Activator.getPlugin().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, | ||
| "can't get parameter type from: " + getLongSignature(), e)); | ||
| } | ||
|
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| return res; | ||
| } | ||
|
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| private org.eclipse.jdt.core.IType getITypeFromSignature(final String typeSignature) | ||
| throws JavaModelException { | ||
| final org.eclipse.jdt.core.IType res; | ||
|
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| final String signatureSimpleName = Signature.getSignatureSimpleName(typeSignature); | ||
|
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| if (!"void".equals(signatureSimpleName)) { | ||
| final String wrappedName = EclipseJDTITypeType.PRIMITIVE_WRAPPER_NAMES.getOrDefault( | ||
| signatureSimpleName, signatureSimpleName); | ||
| final String[][] resolvedType = getOrigin().getDeclaringType().resolveType(wrappedName); | ||
| if (resolvedType != null) { | ||
| res = getOrigin().getJavaProject().findType(resolvedType[0][0] + ILoader.DOT | ||
| + resolvedType[0][1]); | ||
| } else { | ||
| res = null; | ||
| } | ||
| } else { | ||
| res = null; | ||
| } | ||
|
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| return res; | ||
| } | ||
|
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| private IType getITypeType(IReadOnlyQueryEnvironment queryEnvironment, org.eclipse.jdt.core.IType type) { | ||
| // TODO Collection types | ||
| return new EclipseJDTITypeType(queryEnvironment, type); | ||
| } | ||
|
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| @Override | ||
| public int getNumberOfParameters() { | ||
| return getOrigin().getNumberOfParameters(); | ||
| } | ||
|
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| @Override | ||
| public int getPriority() { | ||
| return JavaMethodService.PRIORITY; | ||
| } | ||
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| @Override | ||
| public Set<IType> computeType(IReadOnlyQueryEnvironment queryEnvironment) { | ||
| final Set<IType> res = new LinkedHashSet<IType>(); | ||
|
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| try { | ||
| final org.eclipse.jdt.core.IType returnType = getITypeFromSignature(getOrigin().getReturnType()); | ||
| res.addAll(getIType(queryEnvironment, returnType)); | ||
| } catch (JavaModelException e) { | ||
| Activator.getPlugin().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, | ||
| "can't get return type from: " + getLongSignature(), e)); | ||
| } | ||
|
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| return res; | ||
| } | ||
|
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| private Set<IType> getIType(IReadOnlyQueryEnvironment queryEnvironment, | ||
| org.eclipse.jdt.core.IType returnType) { | ||
| final Set<IType> res = new LinkedHashSet<>(); | ||
|
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| res.add(new EclipseJDTITypeType(queryEnvironment, returnType)); | ||
|
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| return res; | ||
| } | ||
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| @Override | ||
| protected Object internalInvoke(Object[] arguments) throws Exception { | ||
| throw new UnsupportedOperationException("This service can't be used at runtime."); | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object obj) { | ||
| return obj instanceof EclipseJDTIMethodService && ((EclipseJDTIMethodService)obj).getOrigin().equals( | ||
| getOrigin()); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return getOrigin().hashCode(); | ||
| } | ||
|
|
||
| } |
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