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/*
* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package vm.mlvm.tools;
import java.io.IOException;
import java.io.Writer;
import java.util.Set;
import java.io.File;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.Filer;
import javax.annotation.processing.ProcessingEnvironment;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.tools.FileObject;
import javax.tools.StandardLocation;
import nsk.share.jdi.sde.SmapGenerator;
import nsk.share.jdi.sde.SmapStratum;
import vm.mlvm.share.Stratum;
import vm.mlvm.tools.StratumAPTreeVisitor.StratumLineInfo;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.util.TreePath;
import com.sun.source.util.Trees;
@SupportedAnnotationTypes("vm.mlvm.share.Stratum")
public class StratumAP extends AbstractProcessor {
public static final String SMAP_EXT = ".smap";
private boolean verbose = false;
private Trees trees;
@Override
public synchronized void init(ProcessingEnvironment processingEnv) {
super.init(processingEnv);
trees = Trees.instance(processingEnv);
verbose = Boolean.parseBoolean(processingEnv.getOptions().get("verbose"));
}
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (roundEnv.processingOver()) {
return true;
}
for (Element e : roundEnv.getElementsAnnotatedWith(Stratum.class)) {
Stratum s = e.getAnnotation(Stratum.class);
if (s == null) {
continue;
}
TreePath tp = trees.getPath(e);
StratumAPTreeVisitor visitor = new StratumAPTreeVisitor();
visitor.scan(tp, trees);
String stratumName = s.stratumName();
String stratumSourceFileName = s.stratumSourceFileName();
SmapStratum st = new SmapStratum(stratumName);
st.addFile(stratumSourceFileName);
Set<StratumLineInfo> lines = visitor.strata.get(stratumName);
StringBuffer stratumSource = new StringBuffer();
if (lines != null) {
int curStratumLine = 1;
for (StratumLineInfo lineInfo : lines) {
for (int i = -1; i <= 1; i++)
st.addLineData(curStratumLine,
stratumSourceFileName,
1,
lineInfo.getJavaLineNum() + i,
1);
stratumSource.append(lineInfo.getStratumSourceLine()).append("\n");
++curStratumLine;
}
}
if (verbose) {
System.out.println("Strata:\n" + visitor.strata + "\n\nSource:\n" + stratumSource);
}
CompilationUnitTree compUnit = tp.getCompilationUnit();
String pkgName = compUnit.getPackageName().toString();
Filer filer = processingEnv.getFiler();
SmapGenerator gen = new SmapGenerator();
gen.addStratum(st, false);
try {
FileObject stratumFile = filer.createResource(StandardLocation.CLASS_OUTPUT, pkgName, stratumSourceFileName, e);
if (verbose) {
System.out.println("Writing " + stratumFile.toUri());
}
Writer writer = stratumFile.openWriter();
try {
writer.append(stratumSource);
} finally {
writer.close();
}
} catch (IOException ioe) {
ioe.printStackTrace();
return false;
}
String sourceFileName =
compUnit.getSourceFile().getName()
.replaceAll("^.*\\" + File.separatorChar, "");
gen.setOutputFileName(sourceFileName);
if (verbose) {
System.out.println(gen.getString() + "\n");
}
String smapFileName =
sourceFileName
.replaceAll("\\..*$", "")
+ SMAP_EXT;
try {
FileObject smapFile = filer.createResource(StandardLocation.CLASS_OUTPUT, pkgName, smapFileName, e);
if (verbose) {
System.out.println("Writing " + smapFile.toUri());
}
Writer writer = smapFile.openWriter();
try {
writer.append(gen.getString());
} finally {
writer.close();
}
} catch (IOException ioe) {
ioe.printStackTrace();
return false;
}
}
return true;
}
}
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