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/*******************************************************************************
* Copyright (c) 2017, 2018 GK Software AG, and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Stephan Herrmann - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.core.tests.util.Util;
import org.eclipse.jdt.internal.compiler.CompilationResult;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.batch.BasicModule;
import org.eclipse.jdt.internal.compiler.batch.CompilationUnit;
import org.eclipse.jdt.internal.compiler.batch.FileSystem;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.env.IModule;
import org.eclipse.jdt.internal.compiler.env.INameEnvironment;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
import org.eclipse.jdt.internal.compiler.parser.Parser;
import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
public class AbstractRegressionTest9 extends AbstractRegressionTest {
public AbstractRegressionTest9(String name) {
super(name);
}
protected Map<String,IModule> moduleMap = new HashMap<>(); // by name
protected Map<String,String> file2module = new HashMap<>();
@Override
protected void tearDown() throws Exception {
super.tearDown();
this.moduleMap.clear();
this.file2module.clear();
DefaultJavaRuntimeEnvironment.cleanUpDefaultJreClassLibs();
}
@Override
protected INameEnvironment getNameEnvironment(final String[] testFiles, String[] classPaths) {
this.classpaths = classPaths == null ? getDefaultClassPaths() : classPaths;
INameEnvironment[] classLibs = getClassLibs(classPaths == null);
for (INameEnvironment nameEnvironment : classLibs) {
((FileSystem) nameEnvironment).scanForModules(createParser());
}
return new InMemoryNameEnvironment9(testFiles, this.moduleMap, classLibs);
}
@Override
protected CompilationUnit[] getCompilationUnits(String[] testFiles) {
Map<String,char[]> moduleFiles= new HashMap<>(); // filename -> modulename
CompilationUnit[] compilationUnits = Util.compilationUnits(testFiles);
// scan for all module-info.java:
for (int i = 0; i < testFiles.length; i+=2) {
IModule module = extractModuleDesc(testFiles[i], testFiles[i+1], compilationUnits[i/2]);
if (module != null) {
this.moduleMap.put(String.valueOf(module.name()), module);
moduleFiles.put(testFiles[0], module.name());
}
}
// record module information in CUs:
for (int i = 0; i < compilationUnits.length; i++) {
char[] fileName = compilationUnits[i].getFileName();
String fileNameString = String.valueOf(compilationUnits[i].getFileName());
if (CharOperation.endsWith(fileName, TypeConstants.MODULE_INFO_FILE_NAME)) {
compilationUnits[i].module = moduleFiles.get(fileNameString);
} else {
String modName = this.file2module.get(fileNameString.replace(File.separator, "/"));
if (modName != null) {
compilationUnits[i].module = modName.toCharArray();
}
}
}
return compilationUnits;
}
private IModule extractModuleDesc(String fileName, String fileContent, ICompilationUnit cu) {
if (fileName.toLowerCase().endsWith(IModule.MODULE_INFO_JAVA)) {
Parser parser = createParser();
CompilationResult compilationResult = new CompilationResult(cu, 0, 1, 10);
CompilationUnitDeclaration unit = parser.parse(cu, compilationResult);
if (unit.isModuleInfo() && unit.moduleDeclaration != null) {
return new BasicModule(unit.moduleDeclaration, null);
}
}
return null;
}
private Parser createParser() {
Map<String,String> opts = new HashMap<String, String>();
opts.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_9);
return new Parser(
new ProblemReporter(getErrorHandlingPolicy(), new CompilerOptions(opts), getProblemFactory()),
false);
}
// ------------------------------------------------------
/** Use in tests to associate the CU in given files to the module of the given name. */
public void associateToModule(String moduleName, String... fileNames) {
for (String fileName : fileNames)
this.file2module.put(fileName, moduleName);
}
}
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