--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/lib/toolbox/JavacTask.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,421 @@
+/*
+ * Copyright (c) 2013, 2017, 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 toolbox;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.StandardJavaFileManager;
+import javax.tools.StandardLocation;
+
+import com.sun.tools.javac.api.JavacTaskImpl;
+import com.sun.tools.javac.api.JavacTool;
+
+/**
+ * A task to configure and run the Java compiler, javac.
+ */
+public class JavacTask extends AbstractTask<JavacTask> {
+ private boolean includeStandardOptions;
+ private List<Path> classpath;
+ private List<Path> sourcepath;
+ private Path outdir;
+ private List<String> options;
+ private List<String> classes;
+ private List<String> files;
+ private List<JavaFileObject> fileObjects;
+ private JavaFileManager fileManager;
+
+ private JavaCompiler compiler;
+ private StandardJavaFileManager internalFileManager;
+
+ /**
+ * Creates a task to execute {@code javac} using API mode.
+ * @param toolBox the {@code ToolBox} to use
+ */
+ public JavacTask(ToolBox toolBox) {
+ super(toolBox, Task.Mode.API);
+ }
+
+ /**
+ * Creates a task to execute {@code javac} in a specified mode.
+ * @param toolBox the {@code ToolBox} to use
+ * @param mode the mode to be used
+ */
+ public JavacTask(ToolBox toolBox, Task.Mode mode) {
+ super(toolBox, mode);
+ }
+
+ /**
+ * Sets the classpath.
+ * @param classpath the classpath
+ * @return this task object
+ */
+ public JavacTask classpath(String classpath) {
+ this.classpath = Stream.of(classpath.split(File.pathSeparator))
+ .filter(s -> !s.isEmpty())
+ .map(s -> Paths.get(s))
+ .collect(Collectors.toList());
+ return this;
+ }
+
+ /**
+ * Sets the classpath.
+ * @param classpath the classpath
+ * @return this task object
+ */
+ public JavacTask classpath(Path... classpath) {
+ this.classpath = Arrays.asList(classpath);
+ return this;
+ }
+
+ /**
+ * Sets the classpath.
+ * @param classpath the classpath
+ * @return this task object
+ */
+ public JavacTask classpath(List<Path> classpath) {
+ this.classpath = classpath;
+ return this;
+ }
+
+ /**
+ * Sets the sourcepath.
+ * @param sourcepath the sourcepath
+ * @return this task object
+ */
+ public JavacTask sourcepath(String sourcepath) {
+ this.sourcepath = Stream.of(sourcepath.split(File.pathSeparator))
+ .filter(s -> !s.isEmpty())
+ .map(s -> Paths.get(s))
+ .collect(Collectors.toList());
+ return this;
+ }
+
+ /**
+ * Sets the sourcepath.
+ * @param sourcepath the sourcepath
+ * @return this task object
+ */
+ public JavacTask sourcepath(Path... sourcepath) {
+ this.sourcepath = Arrays.asList(sourcepath);
+ return this;
+ }
+
+ /**
+ * Sets the sourcepath.
+ * @param sourcepath the sourcepath
+ * @return this task object
+ */
+ public JavacTask sourcepath(List<Path> sourcepath) {
+ this.sourcepath = sourcepath;
+ return this;
+ }
+
+ /**
+ * Sets the output directory.
+ * @param outdir the output directory
+ * @return this task object
+ */
+ public JavacTask outdir(String outdir) {
+ this.outdir = Paths.get(outdir);
+ return this;
+ }
+
+ /**
+ * Sets the output directory.
+ * @param outdir the output directory
+ * @return this task object
+ */
+ public JavacTask outdir(Path outdir) {
+ this.outdir = outdir;
+ return this;
+ }
+
+ /**
+ * Sets the options.
+ * @param options the options
+ * @return this task object
+ */
+ public JavacTask options(String... options) {
+ this.options = Arrays.asList(options);
+ return this;
+ }
+
+ /**
+ * Sets the options.
+ * @param options the options
+ * @return this task object
+ */
+ public JavacTask options(List<String> options) {
+ this.options = options;
+ return this;
+ }
+
+ /**
+ * Sets the classes to be analyzed.
+ * @param classes the classes
+ * @return this task object
+ */
+ public JavacTask classes(String... classes) {
+ this.classes = Arrays.asList(classes);
+ return this;
+ }
+
+ /**
+ * Sets the files to be compiled or analyzed.
+ * @param files the files
+ * @return this task object
+ */
+ public JavacTask files(String... files) {
+ this.files = Arrays.asList(files);
+ return this;
+ }
+
+ /**
+ * Sets the files to be compiled or analyzed.
+ * @param files the files
+ * @return this task object
+ */
+ public JavacTask files(Path... files) {
+ this.files = Stream.of(files)
+ .map(Path::toString)
+ .collect(Collectors.toList());
+ return this;
+ }
+
+ /**
+ * Sets the files to be compiled or analyzed.
+ * @param files the files
+ * @return this task object
+ */
+ public JavacTask files(List<Path> files) {
+ this.files = files.stream()
+ .map(Path::toString)
+ .collect(Collectors.toList());
+ return this;
+ }
+
+ /**
+ * Sets the sources to be compiled or analyzed.
+ * Each source string is converted into an in-memory object that
+ * can be passed directly to the compiler.
+ * @param sources the sources
+ * @return this task object
+ */
+ public JavacTask sources(String... sources) {
+ fileObjects = Stream.of(sources)
+ .map(s -> new ToolBox.JavaSource(s))
+ .collect(Collectors.toList());
+ return this;
+ }
+
+ /**
+ * Sets the file manager to be used by this task.
+ * @param fileManager the file manager
+ * @return this task object
+ */
+ public JavacTask fileManager(JavaFileManager fileManager) {
+ this.fileManager = fileManager;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ * @return the name "javac"
+ */
+ @Override
+ public String name() {
+ return "javac";
+ }
+
+ /**
+ * Calls the compiler with the arguments as currently configured.
+ * @return a Result object indicating the outcome of the compilation
+ * and the content of any output written to stdout, stderr, or the
+ * main stream by the compiler.
+ * @throws TaskError if the outcome of the task is not as expected.
+ */
+ @Override
+ public Task.Result run() {
+ if (mode == Task.Mode.EXEC)
+ return runExec();
+
+ AbstractTask.WriterOutput direct = new AbstractTask.WriterOutput();
+ // The following are to catch output to System.out and System.err,
+ // in case these are used instead of the primary (main) stream
+ AbstractTask.StreamOutput sysOut = new AbstractTask.StreamOutput(System.out, System::setOut);
+ AbstractTask.StreamOutput sysErr = new AbstractTask.StreamOutput(System.err, System::setErr);
+ int rc;
+ Map<Task.OutputKind, String> outputMap = new HashMap<>();
+ try {
+ switch (mode == null ? Task.Mode.API : mode) {
+ case API:
+ rc = runAPI(direct.pw);
+ break;
+ case CMDLINE:
+ if (fileManager != null) {
+ throw new IllegalStateException("file manager set in CMDLINE mode");
+ }
+ rc = runCommand(direct.pw);
+ break;
+ default:
+ throw new IllegalStateException("unknown mode " + mode);
+ }
+ } catch (IOException e) {
+ toolBox.out.println("Exception occurred: " + e);
+ rc = 99;
+ } finally {
+ outputMap.put(Task.OutputKind.STDOUT, sysOut.close());
+ outputMap.put(Task.OutputKind.STDERR, sysErr.close());
+ outputMap.put(Task.OutputKind.DIRECT, direct.close());
+ }
+ return checkExit(new Task.Result(toolBox, this, rc, outputMap));
+ }
+
+ private int runAPI(PrintWriter pw) throws IOException {
+ try {
+// if (compiler == null) {
+ // TODO: allow this to be set externally
+// compiler = ToolProvider.getSystemJavaCompiler();
+ compiler = JavacTool.create();
+// }
+
+ if (fileManager == null)
+ fileManager = internalFileManager = compiler.getStandardFileManager(null, null, null);
+ if (outdir != null)
+ setLocationFromPaths(StandardLocation.CLASS_OUTPUT, Collections.singletonList(outdir));
+ if (classpath != null)
+ setLocationFromPaths(StandardLocation.CLASS_PATH, classpath);
+ if (sourcepath != null)
+ setLocationFromPaths(StandardLocation.SOURCE_PATH, sourcepath);
+ List<String> allOpts = new ArrayList<>();
+ if (options != null)
+ allOpts.addAll(options);
+
+ Iterable<? extends JavaFileObject> allFiles = joinFiles(files, fileObjects);
+ JavaCompiler.CompilationTask task = compiler.getTask(pw,
+ fileManager,
+ null, // diagnostic listener; should optionally collect diags
+ allOpts,
+ classes,
+ allFiles);
+ return ((JavacTaskImpl) task).doCall().exitCode;
+ } finally {
+ if (internalFileManager != null)
+ internalFileManager.close();
+ }
+ }
+
+ private void setLocationFromPaths(StandardLocation location, List<Path> files) throws IOException {
+ if (!(fileManager instanceof StandardJavaFileManager))
+ throw new IllegalStateException("not a StandardJavaFileManager");
+ ((StandardJavaFileManager) fileManager).setLocationFromPaths(location, files);
+ }
+
+ private int runCommand(PrintWriter pw) {
+ List<String> args = getAllArgs();
+ String[] argsArray = args.toArray(new String[args.size()]);
+ return com.sun.tools.javac.Main.compile(argsArray, pw);
+ }
+
+ private Task.Result runExec() {
+ List<String> args = new ArrayList<>();
+ Path javac = toolBox.getJDKTool("javac");
+ args.add(javac.toString());
+ if (includeStandardOptions) {
+ args.addAll(toolBox.split(System.getProperty("test.tool.vm.opts"), " +"));
+ args.addAll(toolBox.split(System.getProperty("test.compiler.opts"), " +"));
+ }
+ args.addAll(getAllArgs());
+
+ String[] argsArray = args.toArray(new String[args.size()]);
+ ProcessBuilder pb = getProcessBuilder();
+ pb.command(argsArray);
+ try {
+ return runProcess(toolBox, this, pb.start());
+ } catch (IOException | InterruptedException e) {
+ throw new Error(e);
+ }
+ }
+
+ private List<String> getAllArgs() {
+ List<String> args = new ArrayList<>();
+ if (options != null)
+ args.addAll(options);
+ if (outdir != null) {
+ args.add("-d");
+ args.add(outdir.toString());
+ }
+ if (classpath != null) {
+ args.add("-classpath");
+ args.add(toSearchPath(classpath));
+ }
+ if (sourcepath != null) {
+ args.add("-sourcepath");
+ args.add(toSearchPath(sourcepath));
+ }
+ if (classes != null)
+ args.addAll(classes);
+ if (files != null)
+ args.addAll(files);
+
+ return args;
+ }
+
+ private String toSearchPath(List<Path> files) {
+ return files.stream()
+ .map(Path::toString)
+ .collect(Collectors.joining(File.pathSeparator));
+ }
+
+ private Iterable<? extends JavaFileObject> joinFiles(
+ List<String> files, List<JavaFileObject> fileObjects) {
+ if (files == null)
+ return fileObjects;
+ if (internalFileManager == null)
+ internalFileManager = compiler.getStandardFileManager(null, null, null);
+ Iterable<? extends JavaFileObject> filesAsFileObjects =
+ internalFileManager.getJavaFileObjectsFromStrings(files);
+ if (fileObjects == null)
+ return filesAsFileObjects;
+ List<JavaFileObject> combinedList = new ArrayList<>();
+ for (JavaFileObject o : filesAsFileObjects)
+ combinedList.add(o);
+ combinedList.addAll(fileObjects);
+ return combinedList;
+ }
+}