void test(String[] opts, String className) throws Exception {
count++;
System.err.println("Test " + count + " " + Arrays.asList(opts) + " " + className);
Path testSrcDir = Paths.get(System.getProperty("test.src"));
Path testClassesDir = Paths.get(System.getProperty("test.classes"));
Path classes = Paths.get("classes." + count);
classes.createDirectory();
Context ctx = new Context();
PathFileManager fm = new JavacPathFileManager(ctx, true, null);
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
List<String> options = new ArrayList<String>();
options.addAll(Arrays.asList(opts));
options.addAll(Arrays.asList("-verbose", "-XDverboseCompilePolicy", "-d", classes.toString()));
Iterable<? extends JavaFileObject> compilationUnits =
fm.getJavaFileObjects(testSrcDir.resolve(className + ".java"));
StringWriter sw = new StringWriter();
PrintWriter out = new PrintWriter(sw);
JavaCompiler.CompilationTask t =
compiler.getTask(out, fm, null, options, null, compilationUnits);
boolean ok = t.call();
System.err.println(sw.toString());
if (!ok) {
throw new Exception("compilation failed");
}
File expect = new File("classes." + count + "/" + className + ".class");
if (!expect.exists()) throw new Exception("expected file not found: " + expect);
long expectedSize = new File(testClassesDir.toString(), className + ".class").length();
long actualSize = expect.length();
if (expectedSize != actualSize)
throw new Exception("wrong size found: " + actualSize + "; expected: " + expectedSize);
}
public static void compileJavaFiles(
@NotNull Collection<File> files, List<String> options, @Nullable File javaErrorFile)
throws IOException {
JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
DiagnosticCollector<JavaFileObject> diagnosticCollector =
new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager =
javaCompiler.getStandardFileManager(
diagnosticCollector, Locale.ENGLISH, Charset.forName("utf-8"));
try {
Iterable<? extends JavaFileObject> javaFileObjectsFromFiles =
fileManager.getJavaFileObjectsFromFiles(files);
JavaCompiler.CompilationTask task =
javaCompiler.getTask(
new StringWriter(), // do not write to System.err
fileManager,
diagnosticCollector,
options,
null,
javaFileObjectsFromFiles);
Boolean success = task.call(); // do NOT inline this variable, call() should complete before
// errorsToString()
if (javaErrorFile == null || !javaErrorFile.exists()) {
Assert.assertTrue(errorsToString(diagnosticCollector, true), success);
} else {
assertEqualsToFile(javaErrorFile, errorsToString(diagnosticCollector, false));
}
} finally {
fileManager.close();
}
}
public TestRun run() {
StringWriter output = new StringWriter();
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
if (debug) {
System.out.printf(
"TestInput.run:%n options: %s%n processors: %s%n files: %s%n",
this.options, this.processors, this.files);
}
JavaCompiler.CompilationTask task =
compiler.getTask(
output, fileManager, diagnostics, this.options, this.processors, this.files);
/*
* In Eclipse, std out and std err for multiple tests appear as one
* long stream. When selecting a specific failed test, one sees the
* expected/unexpected messages, but not the std out/err messages from
* that particular test. Can we improve this somehow?
*/
Boolean result = task.call();
return new TestRun(result, output.toString(), diagnostics.getDiagnostics());
}
/**
* Wow! much faster than compiling outside of VM. Finicky though. Had rules called r and modulo.
* Wouldn't compile til I changed to 'a'.
*/
protected boolean compile(String fileName) {
String classpathOption = "-classpath";
String[] args =
new String[] {
"javac",
"-d",
tmpdir,
classpathOption,
tmpdir + pathSep + CLASSPATH,
tmpdir + "/" + fileName
};
String cmdLine =
"javac"
+ " -d "
+ tmpdir
+ " "
+ classpathOption
+ " "
+ tmpdir
+ pathSep
+ CLASSPATH
+ " "
+ fileName;
// System.out.println("compile: "+cmdLine);
File f = new File(tmpdir, fileName);
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
// DiagnosticCollector<JavaFileObject> diagnostics =
// new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(Arrays.asList(f));
Iterable<String> compileOptions =
Arrays.asList(new String[] {"-d", tmpdir, "-cp", tmpdir + pathSep + CLASSPATH});
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, null, compileOptions, null, compilationUnits);
boolean ok = task.call();
try {
fileManager.close();
} catch (IOException ioe) {
ioe.printStackTrace(System.err);
}
// List<String> errors = new ArrayList<String>();
// for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
// errors.add(
// String.valueOf(diagnostic.getLineNumber())+
// ": " + diagnostic.getMessage(null));
// }
// if ( errors.size()>0 ) {
// System.err.println("compile stderr from: "+cmdLine);
// System.err.println(errors);
// return false;
// }
return ok;
/*
File outputDir = new File(tmpdir);
try {
Process process =
Runtime.getRuntime().exec(args, null, outputDir);
StreamVacuum stdout = new StreamVacuum(process.getInputStream());
StreamVacuum stderr = new StreamVacuum(process.getErrorStream());
stdout.start();
stderr.start();
process.waitFor();
stdout.join();
stderr.join();
if ( stdout.toString().length()>0 ) {
System.err.println("compile stdout from: "+cmdLine);
System.err.println(stdout);
}
if ( stderr.toString().length()>0 ) {
System.err.println("compile stderr from: "+cmdLine);
System.err.println(stderr);
}
int ret = process.exitValue();
return ret==0;
}
catch (Exception e) {
System.err.println("can't exec compilation");
e.printStackTrace(System.err);
return false;
}
*/
}
public static boolean compile(
Collection<String> options,
final Collection<File> sources,
Collection<File> classpath,
Collection<File> platformClasspath,
Collection<File> sourcePath,
Map<File, Set<File>> outputDirToRoots,
final DiagnosticOutputConsumer outConsumer,
final OutputFileConsumer outputSink,
CanceledStatus canceledStatus,
boolean useEclipseCompiler) {
JavaCompiler compiler = null;
if (useEclipseCompiler) {
for (JavaCompiler javaCompiler : ServiceLoader.load(JavaCompiler.class)) {
compiler = javaCompiler;
break;
}
if (compiler == null) {
outConsumer.report(
new PlainMessageDiagnostic(
Diagnostic.Kind.ERROR, "Eclipse Batch Compiler was not found in classpath"));
return false;
}
}
final boolean nowUsingJavac;
if (compiler == null) {
compiler = ToolProvider.getSystemJavaCompiler();
if (compiler == null) {
outConsumer.report(
new PlainMessageDiagnostic(
Diagnostic.Kind.ERROR, "System Java Compiler was not found in classpath"));
return false;
}
nowUsingJavac = true;
} else {
nowUsingJavac = false;
}
for (File outputDir : outputDirToRoots.keySet()) {
outputDir.mkdirs();
}
final List<JavaSourceTransformer> transformers = getSourceTransformers();
final JavacFileManager fileManager =
new JavacFileManager(
new ContextImpl(compiler, outConsumer, outputSink, canceledStatus, nowUsingJavac),
transformers);
fileManager.handleOption(
"-bootclasspath", Collections.singleton("").iterator()); // this will clear cached stuff
fileManager.handleOption(
"-extdirs", Collections.singleton("").iterator()); // this will clear cached stuff
try {
fileManager.setOutputDirectories(outputDirToRoots);
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
if (!classpath.isEmpty()) {
try {
fileManager.setLocation(StandardLocation.CLASS_PATH, classpath);
if (!nowUsingJavac && !isOptionSet(options, "-processorpath")) {
// for non-javac file manager ensure annotation processor path defaults to classpath
fileManager.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH, classpath);
}
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
}
if (!platformClasspath.isEmpty()) {
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, platformClasspath);
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
}
try {
// ensure the source path is set;
// otherwise, if not set, javac attempts to search both classes and sources in classpath;
// so if some classpath jars contain sources, it will attempt to compile them
fileManager.setLocation(StandardLocation.SOURCE_PATH, sourcePath);
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
//noinspection IOResourceOpenedButNotSafelyClosed
final LineOutputWriter out =
new LineOutputWriter() {
protected void lineAvailable(String line) {
if (nowUsingJavac) {
outConsumer.outputLineAvailable(line);
} else {
// todo: filter too verbose eclipse output?
}
}
};
try {
final Collection<String> _options = prepareOptions(options, nowUsingJavac);
// to be on the safe side, we'll have to apply all options _before_ calling any of manager's
// methods
// i.e. getJavaFileObjectsFromFiles()
// This way the manager will be properly initialized. Namely, the encoding will be set
// correctly
for (Iterator<String> iterator = _options.iterator(); iterator.hasNext(); ) {
fileManager.handleOption(iterator.next(), iterator);
}
final JavaCompiler.CompilationTask task =
compiler.getTask(
out,
fileManager,
outConsumer,
_options,
null,
fileManager.getJavaFileObjectsFromFiles(sources));
// if (!IS_VM_6_VERSION) { //todo!
// // Do not add the processor for JDK 1.6 because of the bugs in javac
// // The processor's presence may lead to NPE and resolve bugs in compiler
// final JavacASTAnalyser analyzer = new JavacASTAnalyser(outConsumer,
// !annotationProcessingEnabled);
// task.setProcessors(Collections.singleton(analyzer));
// }
return task.call();
} catch (IllegalArgumentException e) {
outConsumer.report(new PlainMessageDiagnostic(Diagnostic.Kind.ERROR, e.getMessage()));
} catch (CompilationCanceledException ignored) {
outConsumer.report(
new PlainMessageDiagnostic(Diagnostic.Kind.OTHER, "Compilation was canceled"));
} finally {
fileManager.close();
if (nowUsingJavac) {
cleanupJavacNameTable();
}
}
return false;
}