jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@5c9cdeb740f2

6717241: some diagnostic argument is prematurely converted into a String object
Summary: removed early toString() conversions applied to diagnostic arguments
Reviewed-by: jjg

     1 /*

     2  * Copyright 2005-2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    26 package com.sun.tools.javac.processing;

    29 import java.lang.reflect.*;

    30 import java.util.*;

    31 import java.util.regex.*;

    33 import java.net.URL;

    34 import java.io.Closeable;

    35 import java.io.File;

    36 import java.io.PrintWriter;

    37 import java.io.IOException;

    38 import java.net.MalformedURLException;

    39 import java.io.StringWriter;

    41 import javax.annotation.processing.*;

    42 import javax.lang.model.SourceVersion;

    43 import javax.lang.model.element.AnnotationMirror;

    44 import javax.lang.model.element.Element;

    45 import javax.lang.model.element.TypeElement;

    46 import javax.lang.model.element.PackageElement;

    47 import javax.lang.model.util.*;

    48 import javax.tools.JavaFileManager;

    49 import javax.tools.StandardJavaFileManager;

    50 import javax.tools.JavaFileObject;

    51 import javax.tools.DiagnosticListener;

    53 import com.sun.source.util.TaskEvent;

    54 import com.sun.source.util.TaskListener;

    55 import com.sun.tools.javac.api.JavacTaskImpl;

    56 import com.sun.tools.javac.code.*;

    57 import com.sun.tools.javac.code.Symbol.*;

    58 import com.sun.tools.javac.file.Paths;

    59 import com.sun.tools.javac.file.JavacFileManager;

    60 import com.sun.tools.javac.jvm.*;

    61 import com.sun.tools.javac.main.JavaCompiler;

    62 import com.sun.tools.javac.model.JavacElements;

    63 import com.sun.tools.javac.model.JavacTypes;

    64 import com.sun.tools.javac.parser.*;

    65 import com.sun.tools.javac.tree.*;

    66 import com.sun.tools.javac.tree.JCTree.*;

    67 import com.sun.tools.javac.util.Abort;

    68 import com.sun.tools.javac.util.Context;

    69 import com.sun.tools.javac.util.List;

    70 import com.sun.tools.javac.util.ListBuffer;

    71 import com.sun.tools.javac.util.Log;

    72 import com.sun.tools.javac.util.Name;

    73 import com.sun.tools.javac.util.Options;

    75 import static javax.tools.StandardLocation.*;

    77 /**

    78  * Objects of this class hold and manage the state needed to support

    79  * annotation processing.

    80  *

    81  * <p><b>This is NOT part of any API supported by Sun Microsystems.

    82  * If you write code that depends on this, you do so at your own risk.

    83  * This code and its internal interfaces are subject to change or

    84  * deletion without notice.</b>

    85  */

    86 public class JavacProcessingEnvironment implements ProcessingEnvironment, Closeable {

    87     Options options;

    89     private final boolean printProcessorInfo;

    90     private final boolean printRounds;

    91     private final boolean verbose;

    92     private final boolean lint;

    93     private final boolean procOnly;

    94     private final boolean fatalErrors;

    96     private final JavacFiler filer;

    97     private final JavacMessager messager;

    98     private final JavacElements elementUtils;

    99     private final JavacTypes typeUtils;

   101     /**

   102      * Holds relevant state history of which processors have been

   103      * used.

   104      */

   105     private DiscoveredProcessors discoveredProcs;

   107     /**

   108      * Map of processor-specific options.

   109      */

   110     private final Map<String, String> processorOptions;

   112     /**

   113      */

   114     private final Set<String> unmatchedProcessorOptions;

   116     /**

   117      * Annotations implicitly processed and claimed by javac.

   118      */

   119     private final Set<String> platformAnnotations;

   121     /**

   122      * Set of packages given on command line.

   123      */

   124     private Set<PackageSymbol> specifiedPackages = Collections.emptySet();

   126     /** The log to be used for error reporting.

   127      */

   128     Log log;

   130     /**

   131      * Source level of the compile.

   132      */

   133     Source source;

   135     private Context context;

   137    public JavacProcessingEnvironment(Context context, Iterable<? extends Processor> processors) {

   138         options = Options.instance(context);

   139         this.context = context;

   140         log = Log.instance(context);

   141         source = Source.instance(context);

   142         printProcessorInfo = options.get("-XprintProcessorInfo") != null;

   143         printRounds = options.get("-XprintRounds") != null;

   144         verbose = options.get("-verbose") != null;

   145         lint = options.lint("processing");

   146         procOnly = options.get("-proc:only") != null ||

   147             options.get("-Xprint") != null;

   148         fatalErrors = options.get("fatalEnterError") != null;

   149         platformAnnotations = initPlatformAnnotations();

   151         // Initialize services before any processors are initialzied

   152         // in case processors use them.

   153         filer = new JavacFiler(context);

   154         messager = new JavacMessager(context, this);

   155         elementUtils = new JavacElements(context);

   156         typeUtils = new JavacTypes(context);

   157         processorOptions = initProcessorOptions(context);

   158         unmatchedProcessorOptions = initUnmatchedProcessorOptions();

   159         initProcessorIterator(context, processors);

   160     }

   162     private Set<String> initPlatformAnnotations() {

   163         Set<String> platformAnnotations = new HashSet<String>();

   164         platformAnnotations.add("java.lang.Deprecated");

   165         platformAnnotations.add("java.lang.Override");

   166         platformAnnotations.add("java.lang.SuppressWarnings");

   167         platformAnnotations.add("java.lang.annotation.Documented");

   168         platformAnnotations.add("java.lang.annotation.Inherited");

   169         platformAnnotations.add("java.lang.annotation.Retention");

   170         platformAnnotations.add("java.lang.annotation.Target");

   171         return Collections.unmodifiableSet(platformAnnotations);

   172     }

   174     private void initProcessorIterator(Context context, Iterable<? extends Processor> processors) {

   175         Paths paths = Paths.instance(context);

   176         Log   log   = Log.instance(context);

   177         Iterator<? extends Processor> processorIterator;

   179         if (options.get("-Xprint") != null) {

   180             try {

   181                 Processor processor = PrintingProcessor.class.newInstance();

   182                 processorIterator = List.of(processor).iterator();

   183             } catch (Throwable t) {

   184                 AssertionError assertError =

   185                     new AssertionError("Problem instantiating PrintingProcessor.");

   186                 assertError.initCause(t);

   187                 throw assertError;

   188             }

   189         } else if (processors != null) {

   190             processorIterator = processors.iterator();

   191         } else {

   192             String processorNames = options.get("-processor");

   193             JavaFileManager fileManager = context.get(JavaFileManager.class);

   194             try {

   195                 // If processorpath is not explicitly set, use the classpath.

   196                 ClassLoader processorCL = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH)

   197                     ? fileManager.getClassLoader(ANNOTATION_PROCESSOR_PATH)

   198                     : fileManager.getClassLoader(CLASS_PATH);

   200                 /*

   201                  * If the "-processor" option is used, search the appropriate

   202                  * path for the named class.  Otherwise, use a service

   203                  * provider mechanism to create the processor iterator.

   204                  */

   205                 if (processorNames != null) {

   206                     processorIterator = new NameProcessIterator(processorNames, processorCL, log);

   207                 } else {

   208                     processorIterator = new ServiceIterator(processorCL, log);

   209                 }

   210             } catch (SecurityException e) {

   211                 /*

   212                  * A security exception will occur if we can't create a classloader.

   213                  * Ignore the exception if, with hindsight, we didn't need it anyway

   214                  * (i.e. no processor was specified either explicitly, or implicitly,

   215                  * in service configuration file.) Otherwise, we cannot continue.

   216                  */

   217                 processorIterator = handleServiceLoaderUnavailability("proc.cant.create.loader", e);

   218             }

   219         }

   220         discoveredProcs = new DiscoveredProcessors(processorIterator);

   221     }

   223     /**

   224      * Returns an empty processor iterator if no processors are on the

   225      * relevant path, otherwise if processors are present, logs an

   226      * error.  Called when a service loader is unavailable for some

   227      * reason, either because a service loader class cannot be found

   228      * or because a security policy prevents class loaders from being

   229      * created.

   230      *

   231      * @param key The resource key to use to log an error message

   232      * @param e   If non-null, pass this exception to Abort

   233      */

   234     private Iterator<Processor> handleServiceLoaderUnavailability(String key, Exception e) {

   235         JavaFileManager fileManager = context.get(JavaFileManager.class);

   237         if (fileManager instanceof JavacFileManager) {

   238             StandardJavaFileManager standardFileManager = (JavacFileManager) fileManager;

   239             Iterable<? extends File> workingPath = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH)

   240                 ? standardFileManager.getLocation(ANNOTATION_PROCESSOR_PATH)

   241                 : standardFileManager.getLocation(CLASS_PATH);

   243             if (needClassLoader(options.get("-processor"), workingPath) )

   244                 handleException(key, e);

   246         } else {

   247             handleException(key, e);

   248         }

   250         java.util.List<Processor> pl = Collections.emptyList();

   251         return pl.iterator();

   252     }

   254     /**

   255      * Handle a security exception thrown during initializing the

   256      * Processor iterator.

   257      */

   258     private void handleException(String key, Exception e) {

   259         if (e != null) {

   260             log.error(key, e.getLocalizedMessage());

   261             throw new Abort(e);

   262         } else {

   263             log.error(key);

   264             throw new Abort();

   265         }

   266     }

   268     /**

   269      * Use a service loader appropriate for the platform to provide an

   270      * iterator over annotations processors.  If

   271      * java.util.ServiceLoader is present use it, otherwise, use

   272      * sun.misc.Service, otherwise fail if a loader is needed.

   273      */

   274     private class ServiceIterator implements Iterator<Processor> {

   275         // The to-be-wrapped iterator.

   276         private Iterator<?> iterator;

   277         private Log log;

   279         ServiceIterator(ClassLoader classLoader, Log log) {

   280             Class<?> loaderClass;

   281             String loadMethodName;

   282             boolean jusl;

   284             this.log = log;

   285             try {

   286                 try {

   287                     loaderClass = Class.forName("java.util.ServiceLoader");

   288                     loadMethodName = "load";

   289                     jusl = true;

   290                 } catch (ClassNotFoundException cnfe) {

   291                     try {

   292                         loaderClass = Class.forName("sun.misc.Service");

   293                         loadMethodName = "providers";

   294                         jusl = false;

   295                     } catch (ClassNotFoundException cnfe2) {

   296                         // Fail softly if a loader is not actually needed.

   297                         this.iterator = handleServiceLoaderUnavailability("proc.no.service",

   298                                                                           null);

   299                         return;

   300                     }

   301                 }

   303                 // java.util.ServiceLoader.load or sun.misc.Service.providers

   304                 Method loadMethod = loaderClass.getMethod(loadMethodName,

   305                                                           Class.class,

   306                                                           ClassLoader.class);

   308                 Object result = loadMethod.invoke(null,

   309                                                   Processor.class,

   310                                                   classLoader);

   312                 // For java.util.ServiceLoader, we have to call another

   313                 // method to get the iterator.

   314                 if (jusl) {

   315                     Method m = loaderClass.getMethod("iterator");

   316                     result = m.invoke(result); // serviceLoader.iterator();

   317                 }

   319                 // The result should now be an iterator.

   320                 this.iterator = (Iterator<?>) result;

   321             } catch (Throwable t) {

   322                 log.error("proc.service.problem");

   323                 throw new Abort(t);

   324             }

   325         }

   327         public boolean hasNext() {

   328             try {

   329                 return iterator.hasNext();

   330             } catch (Throwable t) {

   331                 if ("ServiceConfigurationError".

   332                     equals(t.getClass().getSimpleName())) {

   333                     log.error("proc.bad.config.file", t.getLocalizedMessage());

   334                 }

   335                 throw new Abort(t);

   336             }

   337         }

   339         public Processor next() {

   340             try {

   341                 return (Processor)(iterator.next());

   342             } catch (Throwable t) {

   343                 if ("ServiceConfigurationError".

   344                     equals(t.getClass().getSimpleName())) {

   345                     log.error("proc.bad.config.file", t.getLocalizedMessage());

   346                 } else {

   347                     log.error("proc.processor.constructor.error", t.getLocalizedMessage());

   348                 }

   349                 throw new Abort(t);

   350             }

   351         }

   353         public void remove() {

   354             throw new UnsupportedOperationException();

   355         }

   356     }

   359     private static class NameProcessIterator implements Iterator<Processor> {

   360         Processor nextProc = null;

   361         Iterator<String> names;

   362         ClassLoader processorCL;

   363         Log log;

   365         NameProcessIterator(String names, ClassLoader processorCL, Log log) {

   366             this.names = Arrays.asList(names.split(",")).iterator();

   367             this.processorCL = processorCL;

   368             this.log = log;

   369         }

   371         public boolean hasNext() {

   372             if (nextProc != null)

   373                 return true;

   374             else {

   375                 if (!names.hasNext())

   376                     return false;

   377                 else {

   378                     String processorName = names.next();

   380                     Processor processor;

   381                     try {

   382                         try {

   383                             processor =

   384                                 (Processor) (processorCL.loadClass(processorName).newInstance());

   385                         } catch (ClassNotFoundException cnfe) {

   386                             log.error("proc.processor.not.found", processorName);

   387                             return false;

   388                         } catch (ClassCastException cce) {

   389                             log.error("proc.processor.wrong.type", processorName);

   390                             return false;

   391                         } catch (Exception e ) {

   392                             log.error("proc.processor.cant.instantiate", processorName);

   393                             return false;

   394                         }

   395                     } catch(Throwable t) {

   396                         throw new AnnotationProcessingError(t);

   397                     }

   398                     nextProc = processor;

   399                     return true;

   400                 }

   402             }

   403         }

   405         public Processor next() {

   406             if (hasNext()) {

   407                 Processor p = nextProc;

   408                 nextProc = null;

   409                 return p;

   410             } else

   411                 throw new NoSuchElementException();

   412         }

   414         public void remove () {

   415             throw new UnsupportedOperationException();

   416         }

   417     }

   419     public boolean atLeastOneProcessor() {

   420         return discoveredProcs.iterator().hasNext();

   421     }

   423     private Map<String, String> initProcessorOptions(Context context) {

   424         Options options = Options.instance(context);

   425         Set<String> keySet = options.keySet();

   426         Map<String, String> tempOptions = new LinkedHashMap<String, String>();

   428         for(String key : keySet) {

   429             if (key.startsWith("-A") && key.length() > 2) {

   430                 int sepIndex = key.indexOf('=');

   431                 String candidateKey = null;

   432                 String candidateValue = null;

   434                 if (sepIndex == -1)

   435                     candidateKey = key.substring(2);

   436                 else if (sepIndex >= 3) {

   437                     candidateKey = key.substring(2, sepIndex);

   438                     candidateValue = (sepIndex < key.length()-1)?

   439                         key.substring(sepIndex+1) : null;

   440                 }

   441                 tempOptions.put(candidateKey, candidateValue);

   442             }

   443         }

   445         return Collections.unmodifiableMap(tempOptions);

   446     }

   448     private Set<String> initUnmatchedProcessorOptions() {

   449         Set<String> unmatchedProcessorOptions = new HashSet<String>();

   450         unmatchedProcessorOptions.addAll(processorOptions.keySet());

   451         return unmatchedProcessorOptions;

   452     }

   454     /**

   455      * State about how a processor has been used by the tool.  If a

   456      * processor has been used on a prior round, its process method is

   457      * called on all subsequent rounds, perhaps with an empty set of

   458      * annotations to process.  The {@code annotatedSupported} method

   459      * caches the supported annotation information from the first (and

   460      * only) getSupportedAnnotationTypes call to the processor.

   461      */

   462     static class ProcessorState {

   463         public Processor processor;

   464         public boolean   contributed;

   465         private ArrayList<Pattern> supportedAnnotationPatterns;

   466         private ArrayList<String>  supportedOptionNames;

   468         ProcessorState(Processor p, Log log, Source source, ProcessingEnvironment env) {

   469             processor = p;

   470             contributed = false;

   472             try {

   473                 processor.init(env);

   475                 checkSourceVersionCompatibility(source, log);

   477                 supportedAnnotationPatterns = new ArrayList<Pattern>();

   478                 for (String importString : processor.getSupportedAnnotationTypes()) {

   479                     supportedAnnotationPatterns.add(importStringToPattern(importString,

   480                                                                           processor,

   481                                                                           log));

   482                 }

   484                 supportedOptionNames = new ArrayList<String>();

   485                 for (String optionName : processor.getSupportedOptions() ) {

   486                     if (checkOptionName(optionName, log))

   487                         supportedOptionNames.add(optionName);

   488                 }

   490             } catch (Throwable t) {

   491                 throw new AnnotationProcessingError(t);

   492             }

   493         }

   495         /**

   496          * Checks whether or not a processor's source version is

   497          * compatible with the compilation source version.  The

   498          * processor's source version needs to be greater than or

   499          * equal to the source version of the compile.

   500          */

   501         private void checkSourceVersionCompatibility(Source source, Log log) {

   502             SourceVersion procSourceVersion = processor.getSupportedSourceVersion();

   504             if (procSourceVersion.compareTo(Source.toSourceVersion(source)) < 0 )  {

   505                 log.warning("proc.processor.incompatible.source.version",

   506                             procSourceVersion,

   507                             processor.getClass().getName(),

   508                             source.name);

   509             }

   510         }

   512         private boolean checkOptionName(String optionName, Log log) {

   513             boolean valid = isValidOptionName(optionName);

   514             if (!valid)

   515                 log.error("proc.processor.bad.option.name",

   516                             optionName,

   517                             processor.getClass().getName());

   518             return valid;

   519         }

   521         public boolean annotationSupported(String annotationName) {

   522             for(Pattern p: supportedAnnotationPatterns) {

   523                 if (p.matcher(annotationName).matches())

   524                     return true;

   525             }

   526             return false;

   527         }

   529         /**

   530          * Remove options that are matched by this processor.

   531          */

   532         public void removeSupportedOptions(Set<String> unmatchedProcessorOptions) {

   533             unmatchedProcessorOptions.removeAll(supportedOptionNames);

   534         }

   535     }

   537     // TODO: These two classes can probably be rewritten better...

   538     /**

   539      * This class holds information about the processors that have

   540      * been discoverd so far as well as the means to discover more, if

   541      * necessary.  A single iterator should be used per round of

   542      * annotation processing.  The iterator first visits already

   543      * discovered processors then fails over to the service provided

   544      * mechanism if additional queries are made.

   545      */

   546     class DiscoveredProcessors implements Iterable<ProcessorState> {

   548         class ProcessorStateIterator implements Iterator<ProcessorState> {

   549             DiscoveredProcessors psi;

   550             Iterator<ProcessorState> innerIter;

   551             boolean onProcInterator;

   553             ProcessorStateIterator(DiscoveredProcessors psi) {

   554                 this.psi = psi;

   555                 this.innerIter = psi.procStateList.iterator();

   556                 this.onProcInterator = false;

   557             }

   559             public ProcessorState next() {

   560                 if (!onProcInterator) {

   561                     if (innerIter.hasNext())

   562                         return innerIter.next();

   563                     else

   564                         onProcInterator = true;

   565                 }

   567                 if (psi.processorIterator.hasNext()) {

   568                     ProcessorState ps = new ProcessorState(psi.processorIterator.next(),

   569                                                            log, source, JavacProcessingEnvironment.this);

   570                     psi.procStateList.add(ps);

   571                     return ps;

   572                 } else

   573                     throw new NoSuchElementException();

   574             }

   576             public boolean hasNext() {

   577                 if (onProcInterator)

   578                     return  psi.processorIterator.hasNext();

   579                 else

   580                     return innerIter.hasNext() || psi.processorIterator.hasNext();

   581             }

   583             public void remove () {

   584                 throw new UnsupportedOperationException();

   585             }

   587             /**

   588              * Run all remaining processors on the procStateList that

   589              * have not already run this round with an empty set of

   590              * annotations.

   591              */

   592             public void runContributingProcs(RoundEnvironment re) {

   593                 if (!onProcInterator) {

   594                     Set<TypeElement> emptyTypeElements = Collections.emptySet();

   595                     while(innerIter.hasNext()) {

   596                         ProcessorState ps = innerIter.next();

   597                         if (ps.contributed)

   598                             callProcessor(ps.processor, emptyTypeElements, re);

   599                     }

   600                 }

   601             }

   602         }

   604         Iterator<? extends Processor> processorIterator;

   605         ArrayList<ProcessorState>  procStateList;

   607         public ProcessorStateIterator iterator() {

   608             return new ProcessorStateIterator(this);

   609         }

   611         DiscoveredProcessors(Iterator<? extends Processor> processorIterator) {

   612             this.processorIterator = processorIterator;

   613             this.procStateList = new ArrayList<ProcessorState>();

   614         }

   615     }

   617     private void discoverAndRunProcs(Context context,

   618                                      Set<TypeElement> annotationsPresent,

   619                                      List<ClassSymbol> topLevelClasses,

   620                                      List<PackageSymbol> packageInfoFiles) {

   621         // Writer for -XprintRounds and -XprintProcessorInfo data

   622         PrintWriter xout = context.get(Log.outKey);

   624         Map<String, TypeElement> unmatchedAnnotations =

   625             new HashMap<String, TypeElement>(annotationsPresent.size());

   627         for(TypeElement a  : annotationsPresent) {

   628                 unmatchedAnnotations.put(a.getQualifiedName().toString(),

   629                                          a);

   630         }

   632         // Give "*" processors a chance to match

   633         if (unmatchedAnnotations.size() == 0)

   634             unmatchedAnnotations.put("", null);

   636         DiscoveredProcessors.ProcessorStateIterator psi = discoveredProcs.iterator();

   637         // TODO: Create proper argument values; need past round

   638         // information to fill in this constructor.  Note that the 1

   639         // st round of processing could be the last round if there

   640         // were parse errors on the initial source files; however, we

   641         // are not doing processing in that case.

   643         Set<Element> rootElements = new LinkedHashSet<Element>();

   644         rootElements.addAll(topLevelClasses);

   645         rootElements.addAll(packageInfoFiles);

   646         rootElements = Collections.unmodifiableSet(rootElements);

   648         RoundEnvironment renv = new JavacRoundEnvironment(false,

   649                                                           false,

   650                                                           rootElements,

   651                                                           JavacProcessingEnvironment.this);

   653         while(unmatchedAnnotations.size() > 0 && psi.hasNext() ) {

   654             ProcessorState ps = psi.next();

   655             Set<String>  matchedNames = new HashSet<String>();

   656             Set<TypeElement> typeElements = new LinkedHashSet<TypeElement>();

   657             for (String unmatchedAnnotationName : unmatchedAnnotations.keySet()) {

   658                 if (ps.annotationSupported(unmatchedAnnotationName) ) {

   659                     matchedNames.add(unmatchedAnnotationName);

   660                     TypeElement te = unmatchedAnnotations.get(unmatchedAnnotationName);

   661                     if (te != null)

   662                         typeElements.add(te);

   663                 }

   664             }

   666             if (matchedNames.size() > 0 || ps.contributed) {

   667                 boolean processingResult = callProcessor(ps.processor, typeElements, renv);

   668                 ps.contributed = true;

   669                 ps.removeSupportedOptions(unmatchedProcessorOptions);

   671                 if (printProcessorInfo || verbose) {

   672                     xout.println(Log.getLocalizedString("x.print.processor.info",

   673                                                         ps.processor.getClass().getName(),

   674                                                         matchedNames.toString(),

   675                                                         processingResult));

   676                 }

   678                 if (processingResult) {

   679                     unmatchedAnnotations.keySet().removeAll(matchedNames);

   680                 }

   682             }

   683         }

   684         unmatchedAnnotations.remove("");

   686         if (lint && unmatchedAnnotations.size() > 0) {

   687             // Remove annotations processed by javac

   688             unmatchedAnnotations.keySet().removeAll(platformAnnotations);

   689             if (unmatchedAnnotations.size() > 0) {

   690                 log = Log.instance(context);

   691                 log.warning("proc.annotations.without.processors",

   692                             unmatchedAnnotations.keySet());

   693             }

   694         }

   696         // Run contributing processors that haven't run yet

   697         psi.runContributingProcs(renv);

   699         // Debugging

   700         if (options.get("displayFilerState") != null)

   701             filer.displayState();

   702     }

   704     /**

   705      * Computes the set of annotations on the symbol in question.

   706      * Leave class public for external testing purposes.

   707      */

   708     public static class ComputeAnnotationSet extends

   709         ElementScanner6<Set<TypeElement>, Set<TypeElement>> {

   710         final Elements elements;

   712         public ComputeAnnotationSet(Elements elements) {

   713             super();

   714             this.elements = elements;

   715         }

   717         @Override

   718         public Set<TypeElement> visitPackage(PackageElement e, Set<TypeElement> p) {

   719             // Don't scan enclosed elements of a package

   720             return p;

   721         }

   723         @Override

   724          public Set<TypeElement> scan(Element e, Set<TypeElement> p) {

   725             for (AnnotationMirror annotationMirror :

   726                      elements.getAllAnnotationMirrors(e) ) {

   727                 Element e2 = annotationMirror.getAnnotationType().asElement();

   728                 p.add((TypeElement) e2);

   729             }

   730             return super.scan(e, p);

   731         }

   732     }

   734     private boolean callProcessor(Processor proc,

   735                                          Set<? extends TypeElement> tes,

   736                                          RoundEnvironment renv) {

   737         try {

   738             return proc.process(tes, renv);

   739         } catch (CompletionFailure ex) {

   740             StringWriter out = new StringWriter();

   741             ex.printStackTrace(new PrintWriter(out));

   742             log.error("proc.cant.access", ex.sym, ex.getDetailValue(), out.toString());

   743             return false;

   744         } catch (Throwable t) {

   745             throw new AnnotationProcessingError(t);

   746         }

   747     }

   750     // TODO: internal catch clauses?; catch and rethrow an annotation

   751     // processing error

   752     public JavaCompiler doProcessing(Context context,

   753                                      List<JCCompilationUnit> roots,

   754                                      List<ClassSymbol> classSymbols,

   755                                      Iterable<? extends PackageSymbol> pckSymbols)

   756     throws IOException {

   758         log = Log.instance(context);

   759         // Writer for -XprintRounds and -XprintProcessorInfo data

   760         PrintWriter xout = context.get(Log.outKey);

   761         TaskListener taskListener = context.get(TaskListener.class);

   764         AnnotationCollector collector = new AnnotationCollector();

   766         JavaCompiler compiler = JavaCompiler.instance(context);

   767         compiler.todo.clear(); // free the compiler's resources

   769         int round = 0;

   771         // List<JCAnnotation> annotationsPresentInSource = collector.findAnnotations(roots);

   772         List<ClassSymbol> topLevelClasses = getTopLevelClasses(roots);

   774         for (ClassSymbol classSym : classSymbols)

   775             topLevelClasses = topLevelClasses.prepend(classSym);

   776         List<PackageSymbol> packageInfoFiles =

   777             getPackageInfoFiles(roots);

   779         Set<PackageSymbol> specifiedPackages = new LinkedHashSet<PackageSymbol>();

   780         for (PackageSymbol psym : pckSymbols)

   781             specifiedPackages.add(psym);

   782         this.specifiedPackages = Collections.unmodifiableSet(specifiedPackages);

   784         // Use annotation processing to compute the set of annotations present

   785         Set<TypeElement> annotationsPresent = new LinkedHashSet<TypeElement>();

   786         ComputeAnnotationSet annotationComputer = new ComputeAnnotationSet(elementUtils);

   787         for (ClassSymbol classSym : topLevelClasses)

   788             annotationComputer.scan(classSym, annotationsPresent);

   789         for (PackageSymbol pkgSym : packageInfoFiles)

   790             annotationComputer.scan(pkgSym, annotationsPresent);

   792         Context currentContext = context;

   794         int roundNumber = 0;

   795         boolean errorStatus = false;

   797         runAround:

   798         while(true) {

   799             if (fatalErrors && compiler.errorCount() != 0) {

   800                 errorStatus = true;

   801                 break runAround;

   802             }

   804             this.context = currentContext;

   805             roundNumber++;

   806             printRoundInfo(xout, roundNumber, topLevelClasses, annotationsPresent, false);

   808             if (taskListener != null)

   809                 taskListener.started(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND));

   811             try {

   812                 discoverAndRunProcs(currentContext, annotationsPresent, topLevelClasses, packageInfoFiles);

   813             } finally {

   814                 if (taskListener != null)

   815                     taskListener.finished(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND));

   816             }

   818             /*

   819              * Processors for round n have run to completion.  Prepare

   820              * for round (n+1) by checked for errors raised by

   821              * annotation processors and then checking for syntax

   822              * errors on any generated source files.

   823              */

   824             if (messager.errorRaised()) {

   825                 errorStatus = true;

   826                 break runAround;

   827             } else {

   828                 if (moreToDo()) {

   829                     // annotationsPresentInSource = List.nil();

   830                     annotationsPresent = new LinkedHashSet<TypeElement>();

   831                     topLevelClasses  = List.nil();

   832                     packageInfoFiles = List.nil();

   834                     compiler.close();

   835                     currentContext = contextForNextRound(currentContext, true);

   837                     JavaFileManager fileManager = currentContext.get(JavaFileManager.class);

   839                     List<JavaFileObject> fileObjects = List.nil();

   840                     for (JavaFileObject jfo : filer.getGeneratedSourceFileObjects() ) {

   841                         fileObjects = fileObjects.prepend(jfo);

   842                     }

   845                     compiler = JavaCompiler.instance(currentContext);

   846                     List<JCCompilationUnit> parsedFiles = compiler.parseFiles(fileObjects);

   847                     roots = cleanTrees(roots).reverse();

   850                     for (JCCompilationUnit unit : parsedFiles)

   851                         roots = roots.prepend(unit);

   852                     roots = roots.reverse();

   854                     // Check for errors after parsing

   855                     if (compiler.parseErrors()) {

   856                         errorStatus = true;

   857                         break runAround;

   858                     } else {

   859                         ListBuffer<ClassSymbol> classes = enterNewClassFiles(currentContext);

   860                         compiler.enterTrees(roots);

   862                         // annotationsPresentInSource =

   863                         // collector.findAnnotations(parsedFiles);

   864                         classes.appendList(getTopLevelClasses(parsedFiles));

   865                         topLevelClasses  = classes.toList();

   866                         packageInfoFiles = getPackageInfoFiles(parsedFiles);

   868                         annotationsPresent = new LinkedHashSet<TypeElement>();

   869                         for (ClassSymbol classSym : topLevelClasses)

   870                             annotationComputer.scan(classSym, annotationsPresent);

   871                         for (PackageSymbol pkgSym : packageInfoFiles)

   872                             annotationComputer.scan(pkgSym, annotationsPresent);

   874                         updateProcessingState(currentContext, false);

   875                     }

   876                 } else

   877                     break runAround; // No new files

   878             }

   879         }

   880         runLastRound(xout, roundNumber, errorStatus, taskListener);

   882         compiler.close();

   883         currentContext = contextForNextRound(currentContext, true);

   884         compiler = JavaCompiler.instance(currentContext);

   885         filer.newRound(currentContext, true);

   886         filer.warnIfUnclosedFiles();

   887         warnIfUnmatchedOptions();

   889        /*

   890         * If an annotation processor raises an error in a round,

   891         * that round runs to completion and one last round occurs.

   892         * The last round may also occur because no more source or

   893         * class files have been generated.  Therefore, if an error

   894         * was raised on either of the last *two* rounds, the compile

   895         * should exit with a nonzero exit code.  The current value of

   896         * errorStatus holds whether or not an error was raised on the

   897         * second to last round; errorRaised() gives the error status

   898         * of the last round.

   899         */

   900        errorStatus = errorStatus || messager.errorRaised();

   903         // Free resources

   904         this.close();

   906         if (taskListener != null)

   907             taskListener.finished(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING));

   909         if (errorStatus) {

   910             compiler.log.nerrors += messager.errorCount();

   911             if (compiler.errorCount() == 0)

   912                 compiler.log.nerrors++;

   913         } else if (procOnly) {

   914             compiler.todo.clear();

   915         } else { // Final compilation

   916             compiler.close();

   917             currentContext = contextForNextRound(currentContext, true);

   918             compiler = JavaCompiler.instance(currentContext);

   920             if (true) {

   921                 compiler.enterTrees(cleanTrees(roots));

   922             } else {

   923                 List<JavaFileObject> fileObjects = List.nil();

   924                 for (JCCompilationUnit unit : roots)

   925                     fileObjects = fileObjects.prepend(unit.getSourceFile());

   926                 roots = null;

   927                 compiler.enterTrees(compiler.parseFiles(fileObjects.reverse()));

   928             }

   929         }

   931         return compiler;

   932     }

   934     // Call the last round of annotation processing

   935     private void runLastRound(PrintWriter xout,

   936                               int roundNumber,

   937                               boolean errorStatus,

   938                               TaskListener taskListener) throws IOException {

   939         roundNumber++;

   940         List<ClassSymbol> noTopLevelClasses = List.nil();

   941         Set<TypeElement> noAnnotations =  Collections.emptySet();

   942         printRoundInfo(xout, roundNumber, noTopLevelClasses, noAnnotations, true);

   944         Set<Element> emptyRootElements = Collections.emptySet(); // immutable

   945         RoundEnvironment renv = new JavacRoundEnvironment(true,

   946                                                           errorStatus,

   947                                                           emptyRootElements,

   948                                                           JavacProcessingEnvironment.this);

   949         if (taskListener != null)

   950             taskListener.started(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND));

   952         try {

   953             discoveredProcs.iterator().runContributingProcs(renv);

   954         } finally {

   955             if (taskListener != null)

   956                 taskListener.finished(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND));

   957         }

   958     }

   960     private void updateProcessingState(Context currentContext, boolean lastRound) {

   961         filer.newRound(currentContext, lastRound);

   962         messager.newRound(currentContext);

   964         elementUtils.setContext(currentContext);

   965         typeUtils.setContext(currentContext);

   966     }

   968     private void warnIfUnmatchedOptions() {

   969         if (!unmatchedProcessorOptions.isEmpty()) {

   970             log.warning("proc.unmatched.processor.options", unmatchedProcessorOptions.toString());

   971         }

   972     }

   974     private void printRoundInfo(PrintWriter xout,

   975                                 int roundNumber,

   976                                 List<ClassSymbol> topLevelClasses,

   977                                 Set<TypeElement> annotationsPresent,

   978                                 boolean lastRound) {

   979         if (printRounds || verbose) {

   980             xout.println(Log.getLocalizedString("x.print.rounds",

   981                                                 roundNumber,

   982                                                 "{" + topLevelClasses.toString(", ") + "}",

   983                                                 annotationsPresent,

   984                                                 lastRound));

   985         }

   986     }

   988     private ListBuffer<ClassSymbol> enterNewClassFiles(Context currentContext) {

   989         ClassReader reader = ClassReader.instance(currentContext);

   990         Name.Table names = Name.Table.instance(currentContext);

   991         ListBuffer<ClassSymbol> list = new ListBuffer<ClassSymbol>();

   993         for (Map.Entry<String,JavaFileObject> entry : filer.getGeneratedClasses().entrySet()) {

   994             Name name = names.fromString(entry.getKey());

   995             JavaFileObject file = entry.getValue();

   996             if (file.getKind() != JavaFileObject.Kind.CLASS)

   997                 throw new AssertionError(file);

   998             ClassSymbol cs = reader.enterClass(name, file);

   999             list.append(cs);

  1000         }

  1001         return list;

  1002     }

  1004     /**

  1005      * Free resources related to annotation processing.

  1006      */

  1007     public void close() {

  1008         filer.close();

  1009         discoveredProcs = null;

  1010     }

  1012     private List<ClassSymbol> getTopLevelClasses(List<? extends JCCompilationUnit> units) {

  1013         List<ClassSymbol> classes = List.nil();

  1014         for (JCCompilationUnit unit : units) {

  1015             for (JCTree node : unit.defs) {

  1016                 if (node.getTag() == JCTree.CLASSDEF) {

  1017                     classes = classes.prepend(((JCClassDecl) node).sym);

  1018                 }

  1019             }

  1020         }

  1021         return classes.reverse();

  1022     }

  1024     private List<PackageSymbol> getPackageInfoFiles(List<? extends JCCompilationUnit> units) {

  1025         List<PackageSymbol> packages = List.nil();

  1026         for (JCCompilationUnit unit : units) {

  1027             boolean isPkgInfo = unit.sourcefile.isNameCompatible("package-info",

  1028                                                                  JavaFileObject.Kind.SOURCE);

  1029             if (isPkgInfo) {

  1030                 packages = packages.prepend(unit.packge);

  1031             }

  1032         }

  1033         return packages.reverse();

  1034     }

  1036     private Context contextForNextRound(Context context, boolean shareNames)

  1037         throws IOException

  1038     {

  1039         Context next = new Context();

  1041         Options options = Options.instance(context);

  1042         assert options != null;

  1043         next.put(Options.optionsKey, options);

  1045         PrintWriter out = context.get(Log.outKey);

  1046         assert out != null;

  1047         next.put(Log.outKey, out);

  1049         if (shareNames) {

  1050             Name.Table names = Name.Table.instance(context);

  1051             assert names != null;

  1052             next.put(Name.Table.namesKey, names);

  1053         }

  1055         DiagnosticListener dl = context.get(DiagnosticListener.class);

  1056         if (dl != null)

  1057             next.put(DiagnosticListener.class, dl);

  1059         TaskListener tl = context.get(TaskListener.class);

  1060         if (tl != null)

  1061             next.put(TaskListener.class, tl);

  1063         JavaFileManager jfm = context.get(JavaFileManager.class);

  1064         assert jfm != null;

  1065         next.put(JavaFileManager.class, jfm);

  1066         if (jfm instanceof JavacFileManager) {

  1067             ((JavacFileManager)jfm).setContext(next);

  1068         }

  1070         Name.Table names = Name.Table.instance(context);

  1071         assert names != null;

  1072         next.put(Name.Table.namesKey, names);

  1074         Keywords keywords = Keywords.instance(context);

  1075         assert(keywords != null);

  1076         next.put(Keywords.keywordsKey, keywords);

  1078         JavaCompiler oldCompiler = JavaCompiler.instance(context);

  1079         JavaCompiler nextCompiler = JavaCompiler.instance(next);

  1080         nextCompiler.initRound(oldCompiler);

  1082         JavacTaskImpl task = context.get(JavacTaskImpl.class);

  1083         if (task != null) {

  1084             next.put(JavacTaskImpl.class, task);

  1085             task.updateContext(next);

  1086         }

  1088         context.clear();

  1089         return next;

  1090     }

  1092     /*

  1093      * Called retroactively to determine if a class loader was required,

  1094      * after we have failed to create one.

  1095      */

  1096     private boolean needClassLoader(String procNames, Iterable<? extends File> workingpath) {

  1097         if (procNames != null)

  1098             return true;

  1100         String procPath;

  1101         URL[] urls = new URL[1];

  1102         for(File pathElement : workingpath) {

  1103             try {

  1104                 urls[0] = pathElement.toURI().toURL();

  1105                 if (ServiceProxy.hasService(Processor.class, urls))

  1106                     return true;

  1107             } catch (MalformedURLException ex) {

  1108                 throw new AssertionError(ex);

  1109             }

  1110             catch (ServiceProxy.ServiceConfigurationError e) {

  1111                 log.error("proc.bad.config.file", e.getLocalizedMessage());

  1112                 return true;

  1113             }

  1114         }

  1116         return false;

  1117     }

  1119     private class AnnotationCollector extends TreeScanner {

  1120         List<JCTree> path = List.nil();

  1121         static final boolean verbose = false;

  1122         List<JCAnnotation> annotations = List.nil();

  1124         public List<JCAnnotation> findAnnotations(List<? extends JCTree> nodes) {

  1125             annotations = List.nil();

  1126             scan(nodes);

  1127             List<JCAnnotation> found = annotations;

  1128             annotations = List.nil();

  1129             return found.reverse();

  1130         }

  1132         public void scan(JCTree node) {

  1133             if (node == null)

  1134                 return;

  1135             Symbol sym = TreeInfo.symbolFor(node);

  1136             if (sym != null)

  1137                 path = path.prepend(node);

  1138             super.scan(node);

  1139             if (sym != null)

  1140                 path = path.tail;

  1141         }

  1143         public void visitAnnotation(JCAnnotation node) {

  1144             annotations = annotations.prepend(node);

  1145             if (verbose) {

  1146                 StringBuilder sb = new StringBuilder();

  1147                 for (JCTree tree : path.reverse()) {

  1148                     System.err.print(sb);

  1149                     System.err.println(TreeInfo.symbolFor(tree));

  1150                     sb.append("  ");

  1151                 }

  1152                 System.err.print(sb);

  1153                 System.err.println(node);

  1154             }

  1155         }

  1156     }

  1158     private static <T extends JCTree> List<T> cleanTrees(List<T> nodes) {

  1159         for (T node : nodes)

  1160             treeCleaner.scan(node);

  1161         return nodes;

  1162     }

  1164     private static TreeScanner treeCleaner = new TreeScanner() {

  1165             public void scan(JCTree node) {

  1166                 super.scan(node);

  1167                 if (node != null)

  1168                     node.type = null;

  1169             }

  1170             public void visitTopLevel(JCCompilationUnit node) {

  1171                 node.packge = null;

  1172                 super.visitTopLevel(node);

  1173             }

  1174             public void visitClassDef(JCClassDecl node) {

  1175                 node.sym = null;

  1176                 super.visitClassDef(node);

  1177             }

  1178             public void visitMethodDef(JCMethodDecl node) {

  1179                 node.sym = null;

  1180                 super.visitMethodDef(node);

  1181             }

  1182             public void visitVarDef(JCVariableDecl node) {

  1183                 node.sym = null;

  1184                 super.visitVarDef(node);

  1185             }

  1186             public void visitNewClass(JCNewClass node) {

  1187                 node.constructor = null;

  1188                 super.visitNewClass(node);

  1189             }

  1190             public void visitAssignop(JCAssignOp node) {

  1191                 node.operator = null;

  1192                 super.visitAssignop(node);

  1193             }

  1194             public void visitUnary(JCUnary node) {

  1195                 node.operator = null;

  1196                 super.visitUnary(node);

  1197             }

  1198             public void visitBinary(JCBinary node) {

  1199                 node.operator = null;

  1200                 super.visitBinary(node);

  1201             }

  1202             public void visitSelect(JCFieldAccess node) {

  1203                 node.sym = null;

  1204                 super.visitSelect(node);

  1205             }

  1206             public void visitIdent(JCIdent node) {

  1207                 node.sym = null;

  1208                 super.visitIdent(node);

  1209             }

  1210         };

  1213     private boolean moreToDo() {

  1214         return filer.newFiles();

  1215     }

  1217     /**

  1218      * {@inheritdoc}

  1219      *

  1220      * Command line options suitable for presenting to annotation

  1221      * processors.  "-Afoo=bar" should be "-Afoo" => "bar".

  1222      */

  1223     public Map<String,String> getOptions() {

  1224         return processorOptions;

  1225     }

  1227     public Messager getMessager() {

  1228         return messager;

  1229     }

  1231     public Filer getFiler() {

  1232         return filer;

  1233     }

  1235     public JavacElements getElementUtils() {

  1236         return elementUtils;

  1237     }

  1239     public JavacTypes getTypeUtils() {

  1240         return typeUtils;

  1241     }

  1243     public SourceVersion getSourceVersion() {

  1244         return Source.toSourceVersion(source);

  1245     }

  1247     public Locale getLocale() {

  1248         return Locale.getDefault();

  1249     }

  1251     public Set<Symbol.PackageSymbol> getSpecifiedPackages() {

  1252         return specifiedPackages;

  1253     }

  1255     // Borrowed from DocletInvoker and apt

  1256     // TODO: remove from apt's Main

  1257     /**

  1258      * Utility method for converting a search path string to an array

  1259      * of directory and JAR file URLs.

  1260      *

  1261      * @param path the search path string

  1262      * @return the resulting array of directory and JAR file URLs

  1263      */

  1264     public static URL[] pathToURLs(String path) {

  1265         StringTokenizer st = new StringTokenizer(path, File.pathSeparator);

  1266         URL[] urls = new URL[st.countTokens()];

  1267         int count = 0;

  1268         while (st.hasMoreTokens()) {

  1269             URL url = fileToURL(new File(st.nextToken()));

  1270             if (url != null) {

  1271                 urls[count++] = url;

  1272             }

  1273         }

  1274         if (urls.length != count) {

  1275             URL[] tmp = new URL[count];

  1276             System.arraycopy(urls, 0, tmp, 0, count);

  1277             urls = tmp;

  1278         }

  1279         return urls;

  1280     }

  1282     /**

  1283      * Returns the directory or JAR file URL corresponding to the specified

  1284      * local file name.

  1285      *

  1286      * @param file the File object

  1287      * @return the resulting directory or JAR file URL, or null if unknown

  1288      */

  1289     private static URL fileToURL(File file) {

  1290         String name;

  1291         try {

  1292             name = file.getCanonicalPath();

  1293         } catch (IOException e) {

  1294             name = file.getAbsolutePath();

  1295         }

  1296         name = name.replace(File.separatorChar, '/');

  1297         if (!name.startsWith("/")) {

  1298             name = "/" + name;

  1299         }

  1300         // If the file does not exist, then assume that it's a directory

  1301         if (!file.isFile()) {

  1302             name = name + "/";

  1303         }

  1304         try {

  1305             return new URL("file", "", name);

  1306         } catch (MalformedURLException e) {

  1307             throw new IllegalArgumentException("file");

  1308         }

  1309     }

  1313     private static final Pattern allMatches = Pattern.compile(".*");

  1315     private static final Pattern noMatches  = Pattern.compile("(\\P{all})+");

  1316     /**

  1317      * Convert import-style string to regex matching that string.  If

  1318      * the string is a valid import-style string, return a regex that

  1319      * won't match anything.

  1320      */

  1321     // TODO: remove version in Apt.java

  1322     public static Pattern importStringToPattern(String s, Processor p, Log log) {

  1323         if (s.equals("*")) {

  1324             return allMatches;

  1325         } else {

  1326             String t = s;

  1327             boolean star = false;

  1329             /*

  1330              * Validate string from factory is legal.  If the string

  1331              * has more than one asterisks or the asterisks does not

  1332              * appear as the last character (preceded by a period),

  1333              * the string is not legal.

  1334              */

  1336             boolean valid = true;

  1337             int index = t.indexOf('*');

  1338             if (index != -1) {

  1339                 // '*' must be last character...

  1340                 if (index == t.length() -1) {

  1341                      // ... and preceeding character must be '.'

  1342                     if ( index-1 >= 0 ) {

  1343                         valid = t.charAt(index-1) == '.';

  1344                         // Strip off ".*$" for identifier checks

  1345                         t = t.substring(0, t.length()-2);

  1346                     }

  1347                 } else

  1348                     valid = false;

  1349             }

  1351             // Verify string is off the form (javaId \.)+ or javaId

  1352             if (valid) {

  1353                 String[] javaIds = t.split("\\.", t.length()+2);

  1354                 for(String javaId: javaIds)

  1355                     valid &= SourceVersion.isIdentifier(javaId);

  1356             }

  1358             if (!valid) {

  1359                 log.warning("proc.malformed.supported.string", s, p.getClass().getName());

  1360                 return noMatches; // won't match any valid identifier

  1361             }

  1363             String s_prime = s.replaceAll("\\.", "\\\\.");

  1365             if (s_prime.endsWith("*")) {

  1366                 s_prime =  s_prime.substring(0, s_prime.length() - 1) + ".+";

  1367             }

  1369             return Pattern.compile(s_prime);

  1370         }

  1371     }

  1373     /**

  1374      * For internal use by Sun Microsystems only.  This method will be

  1375      * removed without warning.

  1376      */

  1377     public Context getContext() {

  1378         return context;

  1379     }

  1381     public String toString() {

  1382         return "javac ProcessingEnvironment";

  1383     }

  1385     public static boolean isValidOptionName(String optionName) {

  1386         for(String s : optionName.split("\\.", -1)) {

  1387             if (!SourceVersion.isIdentifier(s))

  1388                 return false;

  1389         }

  1390         return true;

  1391     }

  1392 }

Mercurial > jdk8-mips64-public > langtools / file revision

src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@5c9cdeb740f2

src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java