| /* |
| * Copyright (c) 2010-2020 BSI Business Systems Integration AG. |
| * 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: |
| * BSI Business Systems Integration AG - initial API and implementation |
| */ |
| package org.eclipse.scout.sdk.core.model.ecj; |
| |
| import java.nio.file.Path; |
| import java.util.Set; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.batch.FileSystem; |
| import org.eclipse.jdt.internal.compiler.env.ICompilationUnit; |
| import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer; |
| import org.eclipse.jdt.internal.compiler.lookup.ModuleBinding; |
| |
| /** |
| * <h3>{@link FileSystemWithOverride}</h3> |
| * |
| * @since 7.0.100 |
| */ |
| public class FileSystemWithOverride extends FileSystem { |
| |
| private final JreInfo m_jreInfo; |
| private final CompilationUnitOverrideSupport m_overrideSupport; |
| private final Set<ClasspathEntry> m_cpEntries; |
| |
| protected FileSystemWithOverride(ClasspathBuilder cp) { |
| super(cp.fullClasspath().toArray(new Classpath[0]), null, false); |
| m_jreInfo = cp.jreInfo(); |
| m_cpEntries = cp.userClasspathEntries(); |
| m_overrideSupport = new CompilationUnitOverrideSupport(); |
| } |
| |
| private NameEnvironmentAnswer searchInOverrideSupport(char[] typeName, char[][] packageName) { |
| char[] fqnWithSlash = CharOperation.concatWith(packageName, typeName, CompilationUnitOverrideSupport.SEPARATOR); |
| ICompilationUnit overrideCu = overrideSupport().get(fqnWithSlash); |
| if (overrideCu != null) { |
| return new NameEnvironmentAnswer(overrideCu, null); |
| } |
| return null; |
| } |
| |
| private NameEnvironmentAnswer searchInOverrideSupport(char[][] compoundName) { |
| char[] fqnWithSlash = CharOperation.concatWith(compoundName, CompilationUnitOverrideSupport.SEPARATOR); |
| ICompilationUnit overrideCu = overrideSupport().get(fqnWithSlash); |
| if (overrideCu != null) { |
| return new NameEnvironmentAnswer(overrideCu, null); |
| } |
| return null; |
| } |
| |
| @Override |
| public char[][] getModulesDeclaringPackage(char[][] packageName, char[] moduleName) { |
| if (!hasModule(moduleName)) { |
| char[] fqnWithSlash = CharOperation.concatWith(packageName, '/'); |
| if (overrideSupport().containsPackage(fqnWithSlash)) { |
| return new char[][]{ModuleBinding.UNNAMED}; |
| } |
| } |
| return super.getModulesDeclaringPackage(packageName, moduleName); |
| } |
| |
| @Override |
| public NameEnvironmentAnswer findType(char[][] compoundName, char[] moduleName) { |
| if (!hasModule(moduleName)) { |
| NameEnvironmentAnswer answer = searchInOverrideSupport(compoundName); |
| if (answer != null) { |
| return answer; |
| } |
| } |
| return super.findType(compoundName, moduleName); |
| } |
| |
| @Override |
| public NameEnvironmentAnswer findType(char[] typeName, char[][] packageName, char[] moduleName) { |
| if (!hasModule(moduleName)) { |
| NameEnvironmentAnswer answer = searchInOverrideSupport(typeName, packageName); |
| if (answer != null) { |
| return answer; |
| } |
| } |
| return super.findType(typeName, packageName, moduleName); |
| } |
| |
| @Override |
| public boolean isPackage(char[][] compoundName, char[] packageName) { |
| char[] fqnWithSlash = CharOperation.concatWith(compoundName, packageName, '/'); |
| return overrideSupport().containsPackage(fqnWithSlash) |
| || super.isPackage(compoundName, packageName); |
| } |
| |
| @Override |
| public boolean hasCompilationUnit(char[][] qualifiedPackageName, char[] moduleName, boolean checkCUs) { |
| if (!hasModule(moduleName)) { |
| for (ICompilationUnit icu : overrideSupport().getCompilationUnits()) { |
| if (CharOperation.equals(icu.getPackageName(), qualifiedPackageName)) { |
| return true; |
| } |
| } |
| } |
| return super.hasCompilationUnit(qualifiedPackageName, moduleName, checkCUs); |
| } |
| |
| protected static boolean hasModule(char[] moduleName) { |
| return moduleName != null && moduleName.length > 0; |
| } |
| |
| public CompilationUnitOverrideSupport overrideSupport() { |
| return m_overrideSupport; |
| } |
| |
| public Set<? extends ClasspathEntry> classpath() { |
| return m_cpEntries; |
| } |
| |
| public Path jreHome() { |
| return m_jreInfo.jreHome(); |
| } |
| |
| @Override |
| public void cleanup() { |
| m_overrideSupport.clear(); |
| m_cpEntries.clear(); |
| super.cleanup(); |
| } |
| } |