--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/main/JavaCompiler.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,1490 @@
+/*
+ * Copyright 1999-2006 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.main;
+
+import java.io.*;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+import java.util.Set;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.DiagnosticListener;
+
+import com.sun.source.util.TaskEvent;
+import com.sun.source.util.TaskListener;
+
+import com.sun.tools.javac.util.*;
+import com.sun.tools.javac.code.*;
+import com.sun.tools.javac.tree.*;
+import com.sun.tools.javac.parser.*;
+import com.sun.tools.javac.comp.*;
+import com.sun.tools.javac.jvm.*;
+
+import com.sun.tools.javac.code.Symbol.*;
+import com.sun.tools.javac.tree.JCTree.*;
+
+import com.sun.tools.javac.processing.*;
+import javax.annotation.processing.Processor;
+
+import static javax.tools.StandardLocation.CLASS_OUTPUT;
+import static com.sun.tools.javac.util.ListBuffer.lb;
+
+// TEMP, until we have a more efficient way to save doc comment info
+import com.sun.tools.javac.parser.DocCommentScanner;
+
+import javax.lang.model.SourceVersion;
+
+/** This class could be the main entry point for GJC when GJC is used as a
+ * component in a larger software system. It provides operations to
+ * construct a new compiler, and to run a new compiler on a set of source
+ * files.
+ *
+ * <p><b>This is NOT part of any API supported by Sun Microsystems. If
+ * you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+public class JavaCompiler implements ClassReader.SourceCompleter {
+ /** The context key for the compiler. */
+ protected static final Context.Key<JavaCompiler> compilerKey =
+ new Context.Key<JavaCompiler>();
+
+ /** Get the JavaCompiler instance for this context. */
+ public static JavaCompiler instance(Context context) {
+ JavaCompiler instance = context.get(compilerKey);
+ if (instance == null)
+ instance = new JavaCompiler(context);
+ return instance;
+ }
+
+ /** The current version number as a string.
+ */
+ public static String version() {
+ return version("release"); // mm.nn.oo[-milestone]
+ }
+
+ /** The current full version number as a string.
+ */
+ public static String fullVersion() {
+ return version("full"); // mm.mm.oo[-milestone]-build
+ }
+
+ private static final String versionRBName = "com.sun.tools.javac.resources.version";
+ private static ResourceBundle versionRB;
+
+ private static String version(String key) {
+ if (versionRB == null) {
+ try {
+ versionRB = ResourceBundle.getBundle(versionRBName);
+ } catch (MissingResourceException e) {
+ return Log.getLocalizedString("version.resource.missing", System.getProperty("java.version"));
+ }
+ }
+ try {
+ return versionRB.getString(key);
+ }
+ catch (MissingResourceException e) {
+ return Log.getLocalizedString("version.unknown", System.getProperty("java.version"));
+ }
+ }
+
+ private static enum CompilePolicy {
+ /*
+ * Just attribute the parse trees
+ */
+ ATTR_ONLY,
+
+ /*
+ * Just attribute and do flow analysis on the parse trees.
+ * This should catch most user errors.
+ */
+ CHECK_ONLY,
+
+ /*
+ * Attribute everything, then do flow analysis for everything,
+ * then desugar everything, and only then generate output.
+ * Means nothing is generated if there are any errors in any classes.
+ */
+ SIMPLE,
+
+ /*
+ * After attributing everything and doing flow analysis,
+ * group the work by compilation unit.
+ * Then, process the work for each compilation unit together.
+ * Means nothing is generated for a compilation unit if the are any errors
+ * in the compilation unit (or in any preceding compilation unit.)
+ */
+ BY_FILE,
+
+ /*
+ * Completely process each entry on the todo list in turn.
+ * -- this is the same for 1.5.
+ * Means output might be generated for some classes in a compilation unit
+ * and not others.
+ */
+ BY_TODO;
+
+ static CompilePolicy decode(String option) {
+ if (option == null)
+ return DEFAULT_COMPILE_POLICY;
+ else if (option.equals("attr"))
+ return ATTR_ONLY;
+ else if (option.equals("check"))
+ return CHECK_ONLY;
+ else if (option.equals("simple"))
+ return SIMPLE;
+ else if (option.equals("byfile"))
+ return BY_FILE;
+ else if (option.equals("bytodo"))
+ return BY_TODO;
+ else
+ return DEFAULT_COMPILE_POLICY;
+ }
+ }
+
+ private static CompilePolicy DEFAULT_COMPILE_POLICY = CompilePolicy.BY_TODO;
+
+ private static enum ImplicitSourcePolicy {
+ /** Don't generate or process implicitly read source files. */
+ NONE,
+ /** Generate classes for implicitly read source files. */
+ CLASS,
+ /** Like CLASS, but generate warnings if annotation processing occurs */
+ UNSET;
+
+ static ImplicitSourcePolicy decode(String option) {
+ if (option == null)
+ return UNSET;
+ else if (option.equals("none"))
+ return NONE;
+ else if (option.equals("class"))
+ return CLASS;
+ else
+ return UNSET;
+ }
+ }
+
+ /** The log to be used for error reporting.
+ */
+ public Log log;
+
+ /** The tree factory module.
+ */
+ protected TreeMaker make;
+
+ /** The class reader.
+ */
+ protected ClassReader reader;
+
+ /** The class writer.
+ */
+ protected ClassWriter writer;
+
+ /** The module for the symbol table entry phases.
+ */
+ protected Enter enter;
+
+ /** The symbol table.
+ */
+ protected Symtab syms;
+
+ /** The language version.
+ */
+ protected Source source;
+
+ /** The module for code generation.
+ */
+ protected Gen gen;
+
+ /** The name table.
+ */
+ protected Name.Table names;
+
+ /** The attributor.
+ */
+ protected Attr attr;
+
+ /** The attributor.
+ */
+ protected Check chk;
+
+ /** The flow analyzer.
+ */
+ protected Flow flow;
+
+ /** The type eraser.
+ */
+ TransTypes transTypes;
+
+ /** The syntactic sugar desweetener.
+ */
+ Lower lower;
+
+ /** The annotation annotator.
+ */
+ protected Annotate annotate;
+
+ /** Force a completion failure on this name
+ */
+ protected final Name completionFailureName;
+
+ /** Type utilities.
+ */
+ protected Types types;
+
+ /** Access to file objects.
+ */
+ protected JavaFileManager fileManager;
+
+ /** Factory for parsers.
+ */
+ protected Parser.Factory parserFactory;
+
+ /** Optional listener for progress events
+ */
+ protected TaskListener taskListener;
+
+ /**
+ * Annotation processing may require and provide a new instance
+ * of the compiler to be used for the analyze and generate phases.
+ */
+ protected JavaCompiler delegateCompiler;
+
+ /**
+ * Flag set if any annotation processing occurred.
+ **/
+ protected boolean annotationProcessingOccurred;
+
+ /**
+ * Flag set if any implicit source files read.
+ **/
+ protected boolean implicitSourceFilesRead;
+
+ protected Context context;
+
+ /** Construct a new compiler using a shared context.
+ */
+ public JavaCompiler(final Context context) {
+ this.context = context;
+ context.put(compilerKey, this);
+
+ // if fileManager not already set, register the JavacFileManager to be used
+ if (context.get(JavaFileManager.class) == null)
+ JavacFileManager.preRegister(context);
+
+ names = Name.Table.instance(context);
+ log = Log.instance(context);
+ reader = ClassReader.instance(context);
+ make = TreeMaker.instance(context);
+ writer = ClassWriter.instance(context);
+ enter = Enter.instance(context);
+ todo = Todo.instance(context);
+
+ fileManager = context.get(JavaFileManager.class);
+ parserFactory = Parser.Factory.instance(context);
+
+ try {
+ // catch completion problems with predefineds
+ syms = Symtab.instance(context);
+ } catch (CompletionFailure ex) {
+ // inlined Check.completionError as it is not initialized yet
+ log.error("cant.access", ex.sym, ex.errmsg);
+ if (ex instanceof ClassReader.BadClassFile)
+ throw new Abort();
+ }
+ source = Source.instance(context);
+ attr = Attr.instance(context);
+ chk = Check.instance(context);
+ gen = Gen.instance(context);
+ flow = Flow.instance(context);
+ transTypes = TransTypes.instance(context);
+ lower = Lower.instance(context);
+ annotate = Annotate.instance(context);
+ types = Types.instance(context);
+ taskListener = context.get(TaskListener.class);
+
+ reader.sourceCompleter = this;
+
+ Options options = Options.instance(context);
+
+ verbose = options.get("-verbose") != null;
+ sourceOutput = options.get("-printsource") != null; // used to be -s
+ stubOutput = options.get("-stubs") != null;
+ relax = options.get("-relax") != null;
+ printFlat = options.get("-printflat") != null;
+ attrParseOnly = options.get("-attrparseonly") != null;
+ encoding = options.get("-encoding");
+ lineDebugInfo = options.get("-g:") == null ||
+ options.get("-g:lines") != null;
+ genEndPos = options.get("-Xjcov") != null ||
+ context.get(DiagnosticListener.class) != null;
+ devVerbose = options.get("dev") != null;
+ processPcks = options.get("process.packages") != null;
+
+ verboseCompilePolicy = options.get("verboseCompilePolicy") != null;
+
+ if (attrParseOnly)
+ compilePolicy = CompilePolicy.ATTR_ONLY;
+ else
+ compilePolicy = CompilePolicy.decode(options.get("compilePolicy"));
+
+ implicitSourcePolicy = ImplicitSourcePolicy.decode(options.get("-implicit"));
+
+ completionFailureName =
+ (options.get("failcomplete") != null)
+ ? names.fromString(options.get("failcomplete"))
+ : null;
+ }
+
+ /* Switches:
+ */
+
+ /** Verbose output.
+ */
+ public boolean verbose;
+
+ /** Emit plain Java source files rather than class files.
+ */
+ public boolean sourceOutput;
+
+ /** Emit stub source files rather than class files.
+ */
+ public boolean stubOutput;
+
+ /** Generate attributed parse tree only.
+ */
+ public boolean attrParseOnly;
+
+ /** Switch: relax some constraints for producing the jsr14 prototype.
+ */
+ boolean relax;
+
+ /** Debug switch: Emit Java sources after inner class flattening.
+ */
+ public boolean printFlat;
+
+ /** The encoding to be used for source input.
+ */
+ public String encoding;
+
+ /** Generate code with the LineNumberTable attribute for debugging
+ */
+ public boolean lineDebugInfo;
+
+ /** Switch: should we store the ending positions?
+ */
+ public boolean genEndPos;
+
+ /** Switch: should we debug ignored exceptions
+ */
+ protected boolean devVerbose;
+
+ /** Switch: should we (annotation) process packages as well
+ */
+ protected boolean processPcks;
+
+ /** Switch: is annotation processing requested explitly via
+ * CompilationTask.setProcessors?
+ */
+ protected boolean explicitAnnotationProcessingRequested = false;
+
+ /**
+ * The policy for the order in which to perform the compilation
+ */
+ protected CompilePolicy compilePolicy;
+
+ /**
+ * The policy for what to do with implicitly read source files
+ */
+ protected ImplicitSourcePolicy implicitSourcePolicy;
+
+ /**
+ * Report activity related to compilePolicy
+ */
+ public boolean verboseCompilePolicy;
+
+ /** A queue of all as yet unattributed classes.
+ */
+ public Todo todo;
+
+ private Set<Env<AttrContext>> deferredSugar = new HashSet<Env<AttrContext>>();
+
+ /** The set of currently compiled inputfiles, needed to ensure
+ * we don't accidentally overwrite an input file when -s is set.
+ * initialized by `compile'.
+ */
+ protected Set<JavaFileObject> inputFiles = new HashSet<JavaFileObject>();
+
+ /** The number of errors reported so far.
+ */
+ public int errorCount() {
+ if (delegateCompiler != null && delegateCompiler != this)
+ return delegateCompiler.errorCount();
+ else
+ return log.nerrors;
+ }
+
+ protected final <T> List<T> stopIfError(ListBuffer<T> listBuffer) {
+ if (errorCount() == 0)
+ return listBuffer.toList();
+ else
+ return List.nil();
+ }
+
+ protected final <T> List<T> stopIfError(List<T> list) {
+ if (errorCount() == 0)
+ return list;
+ else
+ return List.nil();
+ }
+
+ /** The number of warnings reported so far.
+ */
+ public int warningCount() {
+ if (delegateCompiler != null && delegateCompiler != this)
+ return delegateCompiler.warningCount();
+ else
+ return log.nwarnings;
+ }
+
+ /** Whether or not any parse errors have occurred.
+ */
+ public boolean parseErrors() {
+ return parseErrors;
+ }
+
+ protected Scanner.Factory getScannerFactory() {
+ return Scanner.Factory.instance(context);
+ }
+
+ /** Try to open input stream with given name.
+ * Report an error if this fails.
+ * @param filename The file name of the input stream to be opened.
+ */
+ public CharSequence readSource(JavaFileObject filename) {
+ try {
+ inputFiles.add(filename);
+ return filename.getCharContent(false);
+ } catch (IOException e) {
+ log.error("error.reading.file", filename, e.getLocalizedMessage());
+ return null;
+ }
+ }
+
+ /** Parse contents of input stream.
+ * @param filename The name of the file from which input stream comes.
+ * @param input The input stream to be parsed.
+ */
+ protected JCCompilationUnit parse(JavaFileObject filename, CharSequence content) {
+ long msec = now();
+ JCCompilationUnit tree = make.TopLevel(List.<JCTree.JCAnnotation>nil(),
+ null, List.<JCTree>nil());
+ if (content != null) {
+ if (verbose) {
+ printVerbose("parsing.started", filename);
+ }
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.PARSE, filename);
+ taskListener.started(e);
+ }
+ int initialErrorCount = log.nerrors;
+ Scanner scanner = getScannerFactory().newScanner(content);
+ Parser parser = parserFactory.newParser(scanner, keepComments(), genEndPos);
+ tree = parser.compilationUnit();
+ parseErrors |= (log.nerrors > initialErrorCount);
+ if (lineDebugInfo) {
+ tree.lineMap = scanner.getLineMap();
+ }
+ if (verbose) {
+ printVerbose("parsing.done", Long.toString(elapsed(msec)));
+ }
+ }
+
+ tree.sourcefile = filename;
+
+ if (content != null && taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.PARSE, tree);
+ taskListener.finished(e);
+ }
+
+ return tree;
+ }
+ // where
+ public boolean keepComments = false;
+ protected boolean keepComments() {
+ return keepComments || sourceOutput || stubOutput;
+ }
+
+
+ /** Parse contents of file.
+ * @param filename The name of the file to be parsed.
+ */
+ @Deprecated
+ public JCTree.JCCompilationUnit parse(String filename) throws IOException {
+ JavacFileManager fm = (JavacFileManager)fileManager;
+ return parse(fm.getJavaFileObjectsFromStrings(List.of(filename)).iterator().next());
+ }
+
+ /** Parse contents of file.
+ * @param filename The name of the file to be parsed.
+ */
+ public JCTree.JCCompilationUnit parse(JavaFileObject filename) {
+ JavaFileObject prev = log.useSource(filename);
+ try {
+ JCTree.JCCompilationUnit t = parse(filename, readSource(filename));
+ if (t.endPositions != null)
+ log.setEndPosTable(filename, t.endPositions);
+ return t;
+ } finally {
+ log.useSource(prev);
+ }
+ }
+
+ /** Resolve an identifier.
+ * @param name The identifier to resolve
+ */
+ public Symbol resolveIdent(String name) {
+ if (name.equals(""))
+ return syms.errSymbol;
+ JavaFileObject prev = log.useSource(null);
+ try {
+ JCExpression tree = null;
+ for (String s : name.split("\\.", -1)) {
+ if (!SourceVersion.isIdentifier(s)) // TODO: check for keywords
+ return syms.errSymbol;
+ tree = (tree == null) ? make.Ident(names.fromString(s))
+ : make.Select(tree, names.fromString(s));
+ }
+ JCCompilationUnit toplevel =
+ make.TopLevel(List.<JCTree.JCAnnotation>nil(), null, List.<JCTree>nil());
+ toplevel.packge = syms.unnamedPackage;
+ return attr.attribIdent(tree, toplevel);
+ } finally {
+ log.useSource(prev);
+ }
+ }
+
+ /** Emit plain Java source for a class.
+ * @param env The attribution environment of the outermost class
+ * containing this class.
+ * @param cdef The class definition to be printed.
+ */
+ JavaFileObject printSource(Env<AttrContext> env, JCClassDecl cdef) throws IOException {
+ JavaFileObject outFile
+ = fileManager.getJavaFileForOutput(CLASS_OUTPUT,
+ cdef.sym.flatname.toString(),
+ JavaFileObject.Kind.SOURCE,
+ null);
+ if (inputFiles.contains(outFile)) {
+ log.error(cdef.pos(), "source.cant.overwrite.input.file", outFile);
+ return null;
+ } else {
+ BufferedWriter out = new BufferedWriter(outFile.openWriter());
+ try {
+ new Pretty(out, true).printUnit(env.toplevel, cdef);
+ if (verbose)
+ printVerbose("wrote.file", outFile);
+ } finally {
+ out.close();
+ }
+ return outFile;
+ }
+ }
+
+ /** Generate code and emit a class file for a given class
+ * @param env The attribution environment of the outermost class
+ * containing this class.
+ * @param cdef The class definition from which code is generated.
+ */
+ JavaFileObject genCode(Env<AttrContext> env, JCClassDecl cdef) throws IOException {
+ try {
+ if (gen.genClass(env, cdef))
+ return writer.writeClass(cdef.sym);
+ } catch (ClassWriter.PoolOverflow ex) {
+ log.error(cdef.pos(), "limit.pool");
+ } catch (ClassWriter.StringOverflow ex) {
+ log.error(cdef.pos(), "limit.string.overflow",
+ ex.value.substring(0, 20));
+ } catch (CompletionFailure ex) {
+ chk.completionError(cdef.pos(), ex);
+ }
+ return null;
+ }
+
+ /** Complete compiling a source file that has been accessed
+ * by the class file reader.
+ * @param c The class the source file of which needs to be compiled.
+ * @param filename The name of the source file.
+ * @param f An input stream that reads the source file.
+ */
+ public void complete(ClassSymbol c) throws CompletionFailure {
+// System.err.println("completing " + c);//DEBUG
+ if (completionFailureName == c.fullname) {
+ throw new CompletionFailure(c, "user-selected completion failure by class name");
+ }
+ JCCompilationUnit tree;
+ JavaFileObject filename = c.classfile;
+ JavaFileObject prev = log.useSource(filename);
+
+ try {
+ tree = parse(filename, filename.getCharContent(false));
+ } catch (IOException e) {
+ log.error("error.reading.file", filename, e);
+ tree = make.TopLevel(List.<JCTree.JCAnnotation>nil(), null, List.<JCTree>nil());
+ } finally {
+ log.useSource(prev);
+ }
+
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, tree);
+ taskListener.started(e);
+ }
+
+ enter.complete(List.of(tree), c);
+
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, tree);
+ taskListener.finished(e);
+ }
+
+ if (enter.getEnv(c) == null) {
+ boolean isPkgInfo =
+ tree.sourcefile.isNameCompatible("package-info",
+ JavaFileObject.Kind.SOURCE);
+ if (isPkgInfo) {
+ if (enter.getEnv(tree.packge) == null) {
+ String msg
+ = log.getLocalizedString("file.does.not.contain.package",
+ c.location());
+ throw new ClassReader.BadClassFile(c, filename, msg);
+ }
+ } else {
+ throw new
+ ClassReader.BadClassFile(c, filename, log.
+ getLocalizedString("file.doesnt.contain.class",
+ c.fullname));
+ }
+ }
+
+ implicitSourceFilesRead = true;
+ }
+
+ /** Track when the JavaCompiler has been used to compile something. */
+ private boolean hasBeenUsed = false;
+ private long start_msec = 0;
+ public long elapsed_msec = 0;
+
+ /** Track whether any errors occurred while parsing source text. */
+ private boolean parseErrors = false;
+
+ public void compile(List<JavaFileObject> sourceFileObject)
+ throws Throwable {
+ compile(sourceFileObject, List.<String>nil(), null);
+ }
+
+ /**
+ * Main method: compile a list of files, return all compiled classes
+ *
+ * @param sourceFileObjects file objects to be compiled
+ * @param classnames class names to process for annotations
+ * @param processors user provided annotation processors to bypass
+ * discovery, {@code null} means that no processors were provided
+ */
+ public void compile(List<JavaFileObject> sourceFileObjects,
+ List<String> classnames,
+ Iterable<? extends Processor> processors)
+ throws IOException // TODO: temp, from JavacProcessingEnvironment
+ {
+ if (processors != null && processors.iterator().hasNext())
+ explicitAnnotationProcessingRequested = true;
+ // as a JavaCompiler can only be used once, throw an exception if
+ // it has been used before.
+ if (hasBeenUsed)
+ throw new AssertionError("attempt to reuse JavaCompiler");
+ hasBeenUsed = true;
+
+ start_msec = now();
+ try {
+ initProcessAnnotations(processors);
+
+ // These method calls must be chained to avoid memory leaks
+ delegateCompiler = processAnnotations(enterTrees(stopIfError(parseFiles(sourceFileObjects))),
+ classnames);
+
+ delegateCompiler.compile2();
+ delegateCompiler.close();
+ elapsed_msec = delegateCompiler.elapsed_msec;
+ } catch (Abort ex) {
+ if (devVerbose)
+ ex.printStackTrace();
+ }
+ }
+
+ /**
+ * The phases following annotation processing: attribution,
+ * desugar, and finally code generation.
+ */
+ private void compile2() {
+ try {
+ switch (compilePolicy) {
+ case ATTR_ONLY:
+ attribute(todo);
+ break;
+
+ case CHECK_ONLY:
+ flow(attribute(todo));
+ break;
+
+ case SIMPLE:
+ generate(desugar(flow(attribute(todo))));
+ break;
+
+ case BY_FILE:
+ for (List<Env<AttrContext>> list : groupByFile(flow(attribute(todo))).values())
+ generate(desugar(list));
+ break;
+
+ case BY_TODO:
+ while (todo.nonEmpty())
+ generate(desugar(flow(attribute(todo.next()))));
+ break;
+
+ default:
+ assert false: "unknown compile policy";
+ }
+ } catch (Abort ex) {
+ if (devVerbose)
+ ex.printStackTrace();
+ }
+
+ if (verbose) {
+ elapsed_msec = elapsed(start_msec);;
+ printVerbose("total", Long.toString(elapsed_msec));
+ }
+
+ reportDeferredDiagnostics();
+
+ if (!log.hasDiagnosticListener()) {
+ printCount("error", errorCount());
+ printCount("warn", warningCount());
+ }
+ }
+
+ private List<JCClassDecl> rootClasses;
+
+ /**
+ * Parses a list of files.
+ */
+ public List<JCCompilationUnit> parseFiles(List<JavaFileObject> fileObjects) throws IOException {
+ if (errorCount() > 0)
+ return List.nil();
+
+ //parse all files
+ ListBuffer<JCCompilationUnit> trees = lb();
+ for (JavaFileObject fileObject : fileObjects)
+ trees.append(parse(fileObject));
+ return trees.toList();
+ }
+
+ /**
+ * Enter the symbols found in a list of parse trees.
+ * As a side-effect, this puts elements on the "todo" list.
+ * Also stores a list of all top level classes in rootClasses.
+ */
+ public List<JCCompilationUnit> enterTrees(List<JCCompilationUnit> roots) {
+ //enter symbols for all files
+ if (taskListener != null) {
+ for (JCCompilationUnit unit: roots) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, unit);
+ taskListener.started(e);
+ }
+ }
+
+ enter.main(roots);
+
+ if (taskListener != null) {
+ for (JCCompilationUnit unit: roots) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, unit);
+ taskListener.finished(e);
+ }
+ }
+
+ //If generating source, remember the classes declared in
+ //the original compilation units listed on the command line.
+ if (sourceOutput || stubOutput) {
+ ListBuffer<JCClassDecl> cdefs = lb();
+ for (JCCompilationUnit unit : roots) {
+ for (List<JCTree> defs = unit.defs;
+ defs.nonEmpty();
+ defs = defs.tail) {
+ if (defs.head instanceof JCClassDecl)
+ cdefs.append((JCClassDecl)defs.head);
+ }
+ }
+ rootClasses = cdefs.toList();
+ }
+ return roots;
+ }
+
+ /**
+ * Set to true to enable skeleton annotation processing code.
+ * Currently, we assume this variable will be replaced more
+ * advanced logic to figure out if annotation processing is
+ * needed.
+ */
+ boolean processAnnotations = false;
+
+ /**
+ * Object to handle annotation processing.
+ */
+ JavacProcessingEnvironment procEnvImpl = null;
+
+ /**
+ * Check if we should process annotations.
+ * If so, and if no scanner is yet registered, then set up the DocCommentScanner
+ * to catch doc comments, and set keepComments so the parser records them in
+ * the compilation unit.
+ *
+ * @param processors user provided annotation processors to bypass
+ * discovery, {@code null} means that no processors were provided
+ */
+ public void initProcessAnnotations(Iterable<? extends Processor> processors) {
+ // Process annotations if processing is not disabled and there
+ // is at least one Processor available.
+ Options options = Options.instance(context);
+ if (options.get("-proc:none") != null) {
+ processAnnotations = false;
+ } else if (procEnvImpl == null) {
+ procEnvImpl = new JavacProcessingEnvironment(context, processors);
+ processAnnotations = procEnvImpl.atLeastOneProcessor();
+
+ if (processAnnotations) {
+ if (context.get(Scanner.Factory.scannerFactoryKey) == null)
+ DocCommentScanner.Factory.preRegister(context);
+ options.put("save-parameter-names", "save-parameter-names");
+ reader.saveParameterNames = true;
+ keepComments = true;
+ if (taskListener != null)
+ taskListener.started(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING));
+
+
+ } else { // free resources
+ procEnvImpl.close();
+ }
+ }
+ }
+
+ // TODO: called by JavacTaskImpl
+ public JavaCompiler processAnnotations(List<JCCompilationUnit> roots) throws IOException {
+ return processAnnotations(roots, List.<String>nil());
+ }
+
+ /**
+ * Process any anotations found in the specifed compilation units.
+ * @param roots a list of compilation units
+ * @return an instance of the compiler in which to complete the compilation
+ */
+ public JavaCompiler processAnnotations(List<JCCompilationUnit> roots,
+ List<String> classnames)
+ throws IOException { // TODO: see TEMP note in JavacProcessingEnvironment
+ if (errorCount() != 0) {
+ // Errors were encountered. If todo is empty, then the
+ // encountered errors were parse errors. Otherwise, the
+ // errors were found during the enter phase which should
+ // be ignored when processing annotations.
+
+ if (todo.isEmpty())
+ return this;
+ }
+
+ // ASSERT: processAnnotations and procEnvImpl should have been set up by
+ // by initProcessAnnotations
+
+ // NOTE: The !classnames.isEmpty() checks should be refactored to Main.
+
+ if (!processAnnotations) {
+ // If there are no annotation processors present, and
+ // annotation processing is to occur with compilation,
+ // emit a warning.
+ Options options = Options.instance(context);
+ if (options.get("-proc:only") != null) {
+ log.warning("proc.proc-only.requested.no.procs");
+ todo.clear();
+ }
+ // If not processing annotations, classnames must be empty
+ if (!classnames.isEmpty()) {
+ log.error("proc.no.explicit.annotation.processing.requested",
+ classnames);
+ }
+ return this; // continue regular compilation
+ }
+
+ try {
+ List<ClassSymbol> classSymbols = List.nil();
+ List<PackageSymbol> pckSymbols = List.nil();
+ if (!classnames.isEmpty()) {
+ // Check for explicit request for annotation
+ // processing
+ if (!explicitAnnotationProcessingRequested()) {
+ log.error("proc.no.explicit.annotation.processing.requested",
+ classnames);
+ return this; // TODO: Will this halt compilation?
+ } else {
+ boolean errors = false;
+ for (String nameStr : classnames) {
+ Symbol sym = resolveIdent(nameStr);
+ if (sym == null || (sym.kind == Kinds.PCK && !processPcks)) {
+ log.error("proc.cant.find.class", nameStr);
+ errors = true;
+ continue;
+ }
+ try {
+ if (sym.kind == Kinds.PCK)
+ sym.complete();
+ if (sym.exists()) {
+ Name name = names.fromString(nameStr);
+ if (sym.kind == Kinds.PCK)
+ pckSymbols = pckSymbols.prepend((PackageSymbol)sym);
+ else
+ classSymbols = classSymbols.prepend((ClassSymbol)sym);
+ continue;
+ }
+ assert sym.kind == Kinds.PCK;
+ log.warning("proc.package.does.not.exist", nameStr);
+ pckSymbols = pckSymbols.prepend((PackageSymbol)sym);
+ } catch (CompletionFailure e) {
+ log.error("proc.cant.find.class", nameStr);
+ errors = true;
+ continue;
+ }
+ }
+ if (errors)
+ return this;
+ }
+ }
+ JavaCompiler c = procEnvImpl.doProcessing(context, roots, classSymbols, pckSymbols);
+ if (c != this)
+ annotationProcessingOccurred = c.annotationProcessingOccurred = true;
+ return c;
+ } catch (CompletionFailure ex) {
+ log.error("cant.access", ex.sym, ex.errmsg);
+ return this;
+
+ }
+ }
+
+ boolean explicitAnnotationProcessingRequested() {
+ Options options = Options.instance(context);
+ return
+ explicitAnnotationProcessingRequested ||
+ options.get("-processor") != null ||
+ options.get("-processorpath") != null ||
+ options.get("-proc:only") != null ||
+ options.get("-Xprint") != null;
+ }
+
+ /**
+ * Attribute a list of parse trees, such as found on the "todo" list.
+ * Note that attributing classes may cause additional files to be
+ * parsed and entered via the SourceCompleter.
+ * Attribution of the entries in the list does not stop if any errors occur.
+ * @returns a list of environments for attributd classes.
+ */
+ public List<Env<AttrContext>> attribute(ListBuffer<Env<AttrContext>> envs) {
+ ListBuffer<Env<AttrContext>> results = lb();
+ while (envs.nonEmpty())
+ results.append(attribute(envs.next()));
+ return results.toList();
+ }
+
+ /**
+ * Attribute a parse tree.
+ * @returns the attributed parse tree
+ */
+ public Env<AttrContext> attribute(Env<AttrContext> env) {
+ if (verboseCompilePolicy)
+ log.printLines(log.noticeWriter, "[attribute " + env.enclClass.sym + "]");
+ if (verbose)
+ printVerbose("checking.attribution", env.enclClass.sym);
+
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.ANALYZE, env.toplevel, env.enclClass.sym);
+ taskListener.started(e);
+ }
+
+ JavaFileObject prev = log.useSource(
+ env.enclClass.sym.sourcefile != null ?
+ env.enclClass.sym.sourcefile :
+ env.toplevel.sourcefile);
+ try {
+ attr.attribClass(env.tree.pos(), env.enclClass.sym);
+ }
+ finally {
+ log.useSource(prev);
+ }
+
+ return env;
+ }
+
+ /**
+ * Perform dataflow checks on attributed parse trees.
+ * These include checks for definite assignment and unreachable statements.
+ * If any errors occur, an empty list will be returned.
+ * @returns the list of attributed parse trees
+ */
+ public List<Env<AttrContext>> flow(List<Env<AttrContext>> envs) {
+ ListBuffer<Env<AttrContext>> results = lb();
+ for (List<Env<AttrContext>> l = envs; l.nonEmpty(); l = l.tail) {
+ flow(l.head, results);
+ }
+ return stopIfError(results);
+ }
+
+ /**
+ * Perform dataflow checks on an attributed parse tree.
+ */
+ public List<Env<AttrContext>> flow(Env<AttrContext> env) {
+ ListBuffer<Env<AttrContext>> results = lb();
+ flow(env, results);
+ return stopIfError(results);
+ }
+
+ /**
+ * Perform dataflow checks on an attributed parse tree.
+ */
+ protected void flow(Env<AttrContext> env, ListBuffer<Env<AttrContext>> results) {
+ try {
+ if (errorCount() > 0)
+ return;
+
+ if (relax || deferredSugar.contains(env)) {
+ results.append(env);
+ return;
+ }
+
+ if (verboseCompilePolicy)
+ log.printLines(log.noticeWriter, "[flow " + env.enclClass.sym + "]");
+ JavaFileObject prev = log.useSource(
+ env.enclClass.sym.sourcefile != null ?
+ env.enclClass.sym.sourcefile :
+ env.toplevel.sourcefile);
+ try {
+ make.at(Position.FIRSTPOS);
+ TreeMaker localMake = make.forToplevel(env.toplevel);
+ flow.analyzeTree(env.tree, localMake);
+
+ if (errorCount() > 0)
+ return;
+
+ results.append(env);
+ }
+ finally {
+ log.useSource(prev);
+ }
+ }
+ finally {
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.ANALYZE, env.toplevel, env.enclClass.sym);
+ taskListener.finished(e);
+ }
+ }
+ }
+
+ /**
+ * Prepare attributed parse trees, in conjunction with their attribution contexts,
+ * for source or code generation.
+ * If any errors occur, an empty list will be returned.
+ * @returns a list containing the classes to be generated
+ */
+ public List<Pair<Env<AttrContext>, JCClassDecl>> desugar(List<Env<AttrContext>> envs) {
+ ListBuffer<Pair<Env<AttrContext>, JCClassDecl>> results = lb();
+ for (List<Env<AttrContext>> l = envs; l.nonEmpty(); l = l.tail)
+ desugar(l.head, results);
+ return stopIfError(results);
+ }
+
+ /**
+ * Prepare attributed parse trees, in conjunction with their attribution contexts,
+ * for source or code generation. If the file was not listed on the command line,
+ * the current implicitSourcePolicy is taken into account.
+ * The preparation stops as soon as an error is found.
+ */
+ protected void desugar(Env<AttrContext> env, ListBuffer<Pair<Env<AttrContext>, JCClassDecl>> results) {
+ if (errorCount() > 0)
+ return;
+
+ if (implicitSourcePolicy == ImplicitSourcePolicy.NONE
+ && !inputFiles.contains(env.toplevel.sourcefile)) {
+ return;
+ }
+
+ if (desugarLater(env)) {
+ if (verboseCompilePolicy)
+ log.printLines(log.noticeWriter, "[defer " + env.enclClass.sym + "]");
+ todo.append(env);
+ return;
+ }
+ deferredSugar.remove(env);
+
+ if (verboseCompilePolicy)
+ log.printLines(log.noticeWriter, "[desugar " + env.enclClass.sym + "]");
+
+ JavaFileObject prev = log.useSource(env.enclClass.sym.sourcefile != null ?
+ env.enclClass.sym.sourcefile :
+ env.toplevel.sourcefile);
+ try {
+ //save tree prior to rewriting
+ JCTree untranslated = env.tree;
+
+ make.at(Position.FIRSTPOS);
+ TreeMaker localMake = make.forToplevel(env.toplevel);
+
+ if (env.tree instanceof JCCompilationUnit) {
+ if (!(stubOutput || sourceOutput || printFlat)) {
+ List<JCTree> pdef = lower.translateTopLevelClass(env, env.tree, localMake);
+ if (pdef.head != null) {
+ assert pdef.tail.isEmpty();
+ results.append(new Pair<Env<AttrContext>, JCClassDecl>(env, (JCClassDecl)pdef.head));
+ }
+ }
+ return;
+ }
+
+ if (stubOutput) {
+ //emit stub Java source file, only for compilation
+ //units enumerated explicitly on the command line
+ JCClassDecl cdef = (JCClassDecl)env.tree;
+ if (untranslated instanceof JCClassDecl &&
+ rootClasses.contains((JCClassDecl)untranslated) &&
+ ((cdef.mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 ||
+ cdef.sym.packge().getQualifiedName() == names.java_lang)) {
+ results.append(new Pair<Env<AttrContext>, JCClassDecl>(env, removeMethodBodies(cdef)));
+ }
+ return;
+ }
+
+ env.tree = transTypes.translateTopLevelClass(env.tree, localMake);
+
+ if (errorCount() != 0)
+ return;
+
+ if (sourceOutput) {
+ //emit standard Java source file, only for compilation
+ //units enumerated explicitly on the command line
+ JCClassDecl cdef = (JCClassDecl)env.tree;
+ if (untranslated instanceof JCClassDecl &&
+ rootClasses.contains((JCClassDecl)untranslated)) {
+ results.append(new Pair<Env<AttrContext>, JCClassDecl>(env, cdef));
+ }
+ return;
+ }
+
+ //translate out inner classes
+ List<JCTree> cdefs = lower.translateTopLevelClass(env, env.tree, localMake);
+
+ if (errorCount() != 0)
+ return;
+
+ //generate code for each class
+ for (List<JCTree> l = cdefs; l.nonEmpty(); l = l.tail) {
+ JCClassDecl cdef = (JCClassDecl)l.head;
+ results.append(new Pair<Env<AttrContext>, JCClassDecl>(env, cdef));
+ }
+ }
+ finally {
+ log.useSource(prev);
+ }
+
+ }
+
+ /**
+ * Determine if a class needs to be desugared later. As erasure
+ * (TransTypes) destroys information needed in flow analysis, we
+ * need to ensure that supertypes are translated before derived
+ * types are translated.
+ */
+ public boolean desugarLater(final Env<AttrContext> env) {
+ if (compilePolicy == CompilePolicy.BY_FILE)
+ return false;
+ if (!devVerbose && deferredSugar.contains(env))
+ // guarantee that compiler terminates
+ return false;
+ class ScanNested extends TreeScanner {
+ Set<Symbol> externalSupers = new HashSet<Symbol>();
+ public void visitClassDef(JCClassDecl node) {
+ Type st = types.supertype(node.sym.type);
+ if (st.tag == TypeTags.CLASS) {
+ ClassSymbol c = st.tsym.outermostClass();
+ Env<AttrContext> stEnv = enter.getEnv(c);
+ if (stEnv != null && env != stEnv)
+ externalSupers.add(st.tsym);
+ }
+ super.visitClassDef(node);
+ }
+ }
+ ScanNested scanner = new ScanNested();
+ scanner.scan(env.tree);
+ if (scanner.externalSupers.isEmpty())
+ return false;
+ if (!deferredSugar.add(env) && devVerbose) {
+ throw new AssertionError(env.enclClass.sym + " was deferred, " +
+ "second time has these external super types " +
+ scanner.externalSupers);
+ }
+ return true;
+ }
+
+ /** Generates the source or class file for a list of classes.
+ * The decision to generate a source file or a class file is
+ * based upon the compiler's options.
+ * Generation stops if an error occurs while writing files.
+ */
+ public void generate(List<Pair<Env<AttrContext>, JCClassDecl>> list) {
+ generate(list, null);
+ }
+
+ public void generate(List<Pair<Env<AttrContext>, JCClassDecl>> list, ListBuffer<JavaFileObject> results) {
+ boolean usePrintSource = (stubOutput || sourceOutput || printFlat);
+
+ for (List<Pair<Env<AttrContext>, JCClassDecl>> l = list; l.nonEmpty(); l = l.tail) {
+ Pair<Env<AttrContext>, JCClassDecl> x = l.head;
+ Env<AttrContext> env = x.fst;
+ JCClassDecl cdef = x.snd;
+
+ if (verboseCompilePolicy) {
+ log.printLines(log.noticeWriter, "[generate "
+ + (usePrintSource ? " source" : "code")
+ + " " + env.enclClass.sym + "]");
+ }
+
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.GENERATE, env.toplevel, cdef.sym);
+ taskListener.started(e);
+ }
+
+ JavaFileObject prev = log.useSource(env.enclClass.sym.sourcefile != null ?
+ env.enclClass.sym.sourcefile :
+ env.toplevel.sourcefile);
+ try {
+ JavaFileObject file;
+ if (usePrintSource)
+ file = printSource(env, cdef);
+ else
+ file = genCode(env, cdef);
+ if (results != null && file != null)
+ results.append(file);
+ } catch (IOException ex) {
+ log.error(cdef.pos(), "class.cant.write",
+ cdef.sym, ex.getMessage());
+ return;
+ } finally {
+ log.useSource(prev);
+ }
+
+ if (taskListener != null) {
+ TaskEvent e = new TaskEvent(TaskEvent.Kind.GENERATE, env.toplevel, cdef.sym);
+ taskListener.finished(e);
+ }
+ }
+ }
+
+ // where
+ Map<JCCompilationUnit, List<Env<AttrContext>>> groupByFile(List<Env<AttrContext>> list) {
+ // use a LinkedHashMap to preserve the order of the original list as much as possible
+ Map<JCCompilationUnit, List<Env<AttrContext>>> map = new LinkedHashMap<JCCompilationUnit, List<Env<AttrContext>>>();
+ Set<JCCompilationUnit> fixupSet = new HashSet<JCTree.JCCompilationUnit>();
+ for (List<Env<AttrContext>> l = list; l.nonEmpty(); l = l.tail) {
+ Env<AttrContext> env = l.head;
+ List<Env<AttrContext>> sublist = map.get(env.toplevel);
+ if (sublist == null)
+ sublist = List.of(env);
+ else {
+ // this builds the list for the file in reverse order, so make a note
+ // to reverse the list before returning.
+ sublist = sublist.prepend(env);
+ fixupSet.add(env.toplevel);
+ }
+ map.put(env.toplevel, sublist);
+ }
+ // fixup any lists that need reversing back to the correct order
+ for (JCTree.JCCompilationUnit tree: fixupSet)
+ map.put(tree, map.get(tree).reverse());
+ return map;
+ }
+
+ JCClassDecl removeMethodBodies(JCClassDecl cdef) {
+ final boolean isInterface = (cdef.mods.flags & Flags.INTERFACE) != 0;
+ class MethodBodyRemover extends TreeTranslator {
+ public void visitMethodDef(JCMethodDecl tree) {
+ tree.mods.flags &= ~Flags.SYNCHRONIZED;
+ for (JCVariableDecl vd : tree.params)
+ vd.mods.flags &= ~Flags.FINAL;
+ tree.body = null;
+ super.visitMethodDef(tree);
+ }
+ public void visitVarDef(JCVariableDecl tree) {
+ if (tree.init != null && tree.init.type.constValue() == null)
+ tree.init = null;
+ super.visitVarDef(tree);
+ }
+ public void visitClassDef(JCClassDecl tree) {
+ ListBuffer<JCTree> newdefs = lb();
+ for (List<JCTree> it = tree.defs; it.tail != null; it = it.tail) {
+ JCTree t = it.head;
+ switch (t.getTag()) {
+ case JCTree.CLASSDEF:
+ if (isInterface ||
+ (((JCClassDecl) t).mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 ||
+ (((JCClassDecl) t).mods.flags & (Flags.PRIVATE)) == 0 && ((JCClassDecl) t).sym.packge().getQualifiedName() == names.java_lang)
+ newdefs.append(t);
+ break;
+ case JCTree.METHODDEF:
+ if (isInterface ||
+ (((JCMethodDecl) t).mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 ||
+ ((JCMethodDecl) t).sym.name == names.init ||
+ (((JCMethodDecl) t).mods.flags & (Flags.PRIVATE)) == 0 && ((JCMethodDecl) t).sym.packge().getQualifiedName() == names.java_lang)
+ newdefs.append(t);
+ break;
+ case JCTree.VARDEF:
+ if (isInterface || (((JCVariableDecl) t).mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 ||
+ (((JCVariableDecl) t).mods.flags & (Flags.PRIVATE)) == 0 && ((JCVariableDecl) t).sym.packge().getQualifiedName() == names.java_lang)
+ newdefs.append(t);
+ break;
+ default:
+ break;
+ }
+ }
+ tree.defs = newdefs.toList();
+ super.visitClassDef(tree);
+ }
+ }
+ MethodBodyRemover r = new MethodBodyRemover();
+ return r.translate(cdef);
+ }
+
+ public void reportDeferredDiagnostics() {
+ if (annotationProcessingOccurred
+ && implicitSourceFilesRead
+ && implicitSourcePolicy == ImplicitSourcePolicy.UNSET) {
+ if (explicitAnnotationProcessingRequested())
+ log.warning("proc.use.implicit");
+ else
+ log.warning("proc.use.proc.or.implicit");
+ }
+ chk.reportDeferredDiagnostics();
+ }
+
+ /** Close the compiler, flushing the logs
+ */
+ public void close() {
+ close(true);
+ }
+
+ private void close(boolean disposeNames) {
+ rootClasses = null;
+ reader = null;
+ make = null;
+ writer = null;
+ enter = null;
+ if (todo != null)
+ todo.clear();
+ todo = null;
+ parserFactory = null;
+ syms = null;
+ source = null;
+ attr = null;
+ chk = null;
+ gen = null;
+ flow = null;
+ transTypes = null;
+ lower = null;
+ annotate = null;
+ types = null;
+
+ log.flush();
+ try {
+ fileManager.flush();
+ } catch (IOException e) {
+ throw new Abort(e);
+ } finally {
+ if (names != null && disposeNames)
+ names.dispose();
+ names = null;
+ }
+ }
+
+ /** Output for "-verbose" option.
+ * @param key The key to look up the correct internationalized string.
+ * @param arg An argument for substitution into the output string.
+ */
+ protected void printVerbose(String key, Object arg) {
+ Log.printLines(log.noticeWriter, log.getLocalizedString("verbose." + key, arg));
+ }
+
+ /** Print numbers of errors and warnings.
+ */
+ protected void printCount(String kind, int count) {
+ if (count != 0) {
+ String text;
+ if (count == 1)
+ text = log.getLocalizedString("count." + kind, String.valueOf(count));
+ else
+ text = log.getLocalizedString("count." + kind + ".plural", String.valueOf(count));
+ Log.printLines(log.errWriter, text);
+ log.errWriter.flush();
+ }
+ }
+
+ private static long now() {
+ return System.currentTimeMillis();
+ }
+
+ private static long elapsed(long then) {
+ return now() - then;
+ }
+
+ public void initRound(JavaCompiler prev) {
+ keepComments = prev.keepComments;
+ start_msec = prev.start_msec;
+ hasBeenUsed = true;
+ }
+
+ public static void enableLogging() {
+ Logger logger = Logger.getLogger(com.sun.tools.javac.Main.class.getPackage().getName());
+ logger.setLevel(Level.ALL);
+ for (Handler h : logger.getParent().getHandlers()) {
+ h.setLevel(Level.ALL);
+ }
+
+ }
+}