/**
* Copyright (C) 2006-2017 INRIA and contributors
* Spoon - http://spoon.gforge.inria.fr/
*
* This software is governed by the CeCILL-C License under French law and
* abiding by the rules of distribution of free software. You can use, modify
* and/or redistribute the software under the terms of the CeCILL-C license as
* circulated by CEA, CNRS and INRIA at http://www.cecill.info.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL-C License for more details.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL-C license and that you accept its terms.
*/
package spoon.support.compiler.jdt;
import org.apache.commons.io.output.NullOutputStream;
import org.eclipse.jdt.core.compiler.CategorizedProblem;
import org.eclipse.jdt.internal.compiler.CompilationResult;
import org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies;
import org.eclipse.jdt.internal.compiler.ICompilerRequestor;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.batch.CompilationUnit;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.env.INameEnvironment;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory;
import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
import org.eclipse.jdt.internal.core.util.CommentRecorderParser;
import spoon.SpoonException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
/*
* Overrides the getCompilationUnits() from JDT's class to pass the ones we want.
*
* (we use a fully qualified name in inheritance to make it clear we are extending jdt)
*/
public class JDTBatchCompiler extends org.eclipse.jdt.internal.compiler.batch.Main {
protected final JDTBasedSpoonCompiler jdtCompiler;
protected CompilationUnit[] compilationUnits;
public JDTBatchCompiler(JDTBasedSpoonCompiler jdtCompiler) {
// by default we don't want anything from JDT
// the reports are sent with callbakcs to the reporter
// for debuggging, you may use System.out/err instead
this(jdtCompiler, new NullOutputStream(), new NullOutputStream());
}
JDTBatchCompiler(JDTBasedSpoonCompiler jdtCompiler, OutputStream outWriter, OutputStream errWriter) {
super(new PrintWriter(outWriter), new PrintWriter(errWriter), false, null, null);
this.jdtCompiler = jdtCompiler;
if (jdtCompiler != null) {
this.jdtCompiler.probs.clear();
}
}
@Override
public CompilationUnit[] getCompilationUnits() {
return compilationUnits;
}
public void setCompilationUnits(CompilationUnit[] compilationUnits) {
this.compilationUnits = compilationUnits;
}
@Override
public ICompilerRequestor getBatchRequestor() {
final ICompilerRequestor r = super.getBatchRequestor();
return new ICompilerRequestor() {
public void acceptResult(CompilationResult compilationResult) {
if (compilationResult.hasErrors()) {
for (CategorizedProblem problem:compilationResult.problems) {
if (JDTBatchCompiler.this.jdtCompiler != null) {
JDTBatchCompiler.this.jdtCompiler.reportProblem(problem);
} else {
throw new SpoonException(problem.toString());
}
}
}
r.acceptResult(compilationResult); // this is required to complete the compilation and produce the class files
}
};
}
protected Set<String> filesToBeIgnored = new HashSet<>();
public void ignoreFile(String filePath) {
filesToBeIgnored.add(filePath);
}
/** Calls JDT to retrieve the list of compilation unit declarations.
* Depends on the actual implementation of {@link #getCompilationUnits()}
*/
public CompilationUnitDeclaration[] getUnits() {
startTime = System.currentTimeMillis();
INameEnvironment environment = this.jdtCompiler.environment;
if (environment == null) {
environment = getLibraryAccess();
}
CompilerOptions compilerOptions = new CompilerOptions(this.options);
compilerOptions.parseLiteralExpressionsAsConstants = false;
TreeBuilderCompiler treeBuilderCompiler = new TreeBuilderCompiler(
environment, getHandlingPolicy(), compilerOptions,
this.jdtCompiler.requestor, getProblemFactory(), this.out,
null);
if (jdtCompiler.getEnvironment().getNoClasspath()) {
treeBuilderCompiler.lookupEnvironment.mayTolerateMissingType = true;
}
// they have to be done all at once
final CompilationUnitDeclaration[] result = treeBuilderCompiler.buildUnits(getCompilationUnits());
// now adding the doc
for (int i = 0; i < result.length; i++) {
CompilationUnitDeclaration unit = result[i];
CommentRecorderParser parser =
new CommentRecorderParser(
new ProblemReporter(
DefaultErrorHandlingPolicies.proceedWithAllProblems(),
compilerOptions,
new DefaultProblemFactory(Locale.getDefault())),
false);
//reuse the source compilation unit
ICompilationUnit sourceUnit = unit.compilationResult.compilationUnit;
final CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, compilerOptions.maxProblemsPerUnit);
CompilationUnitDeclaration tmpDeclForComment = parser.dietParse(sourceUnit, compilationResult);
unit.comments = tmpDeclForComment.comments;
}
return result;
}
public JDTBasedSpoonCompiler getJdtCompiler() {
return jdtCompiler;
}
}