jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@1fbc1cc6e260

6498938: Faulty comparison of TypeMirror objects in getElementsAnnotatedWith implementation
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.JavacMessages;

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

    74 import com.sun.tools.javac.util.Names;

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

    77 import static javax.tools.StandardLocation.*;

    79 /**

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

    81  * annotation processing.

    82  *

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

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

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

    86  * deletion without notice.</b>

    87  */

    88 public class JavacProcessingEnvironment implements ProcessingEnvironment, Closeable {

    89     Options options;

    91     private final boolean printProcessorInfo;

    92     private final boolean printRounds;

    93     private final boolean verbose;

    94     private final boolean lint;

    95     private final boolean procOnly;

    96     private final boolean fatalErrors;

    98     private final JavacFiler filer;

    99     private final JavacMessager messager;

   100     private final JavacElements elementUtils;

   101     private final JavacTypes typeUtils;

   103     /**

   104      * Holds relevant state history of which processors have been

   105      * used.

   106      */

   107     private DiscoveredProcessors discoveredProcs;

   109     /**

   110      * Map of processor-specific options.

   111      */

   112     private final Map<String, String> processorOptions;

   114     /**

   115      */

   116     private final Set<String> unmatchedProcessorOptions;

   118     /**

   119      * Annotations implicitly processed and claimed by javac.

   120      */

   121     private final Set<String> platformAnnotations;

   123     /**

   124      * Set of packages given on command line.

   125      */

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

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

   129      */

   130     Log log;

   132     /**

   133      * Source level of the compile.

   134      */

   135     Source source;

   137     /**

   138      * JavacMessages object used for localization

   139      */

   140     private JavacMessages messages;

   142     private Context context;

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

   145         options = Options.instance(context);

   146         this.context = context;

   147         log = Log.instance(context);

   148         source = Source.instance(context);

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

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

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

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

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

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

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

   156         platformAnnotations = initPlatformAnnotations();

   158         // Initialize services before any processors are initialzied

   159         // in case processors use them.

   160         filer = new JavacFiler(context);

   161         messager = new JavacMessager(context, this);

   162         elementUtils = new JavacElements(context);

   163         typeUtils = new JavacTypes(context);

   164         processorOptions = initProcessorOptions(context);

   165         unmatchedProcessorOptions = initUnmatchedProcessorOptions();

   166         messages = JavacMessages.instance(context);

   167         initProcessorIterator(context, processors);

   168     }

   170     private Set<String> initPlatformAnnotations() {

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

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

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

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

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

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

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

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

   179         return Collections.unmodifiableSet(platformAnnotations);

   180     }

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

   183         Paths paths = Paths.instance(context);

   184         Log   log   = Log.instance(context);

   185         Iterator<? extends Processor> processorIterator;

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

   188             try {

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

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

   191             } catch (Throwable t) {

   192                 AssertionError assertError =

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

   194                 assertError.initCause(t);

   195                 throw assertError;

   196             }

   197         } else if (processors != null) {

   198             processorIterator = processors.iterator();

   199         } else {

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

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

   202             try {

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

   204                 ClassLoader processorCL = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH)

   205                     ? fileManager.getClassLoader(ANNOTATION_PROCESSOR_PATH)

   206                     : fileManager.getClassLoader(CLASS_PATH);

   208                 /*

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

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

   211                  * provider mechanism to create the processor iterator.

   212                  */

   213                 if (processorNames != null) {

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

   215                 } else {

   216                     processorIterator = new ServiceIterator(processorCL, log);

   217                 }

   218             } catch (SecurityException e) {

   219                 /*

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

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

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

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

   224                  */

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

   226             }

   227         }

   228         discoveredProcs = new DiscoveredProcessors(processorIterator);

   229     }

   231     /**

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

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

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

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

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

   237      * created.

   238      *

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

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

   241      */

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

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

   245         if (fileManager instanceof JavacFileManager) {

   246             StandardJavaFileManager standardFileManager = (JavacFileManager) fileManager;

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

   248                 ? standardFileManager.getLocation(ANNOTATION_PROCESSOR_PATH)

   249                 : standardFileManager.getLocation(CLASS_PATH);

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

   252                 handleException(key, e);

   254         } else {

   255             handleException(key, e);

   256         }

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

   259         return pl.iterator();

   260     }

   262     /**

   263      * Handle a security exception thrown during initializing the

   264      * Processor iterator.

   265      */

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

   267         if (e != null) {

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

   269             throw new Abort(e);

   270         } else {

   271             log.error(key);

   272             throw new Abort();

   273         }

   274     }

   276     /**

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

   278      * iterator over annotations processors.  If

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

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

   281      */

   282     private class ServiceIterator implements Iterator<Processor> {

   283         // The to-be-wrapped iterator.

   284         private Iterator<?> iterator;

   285         private Log log;

   287         ServiceIterator(ClassLoader classLoader, Log log) {

   288             Class<?> loaderClass;

   289             String loadMethodName;

   290             boolean jusl;

   292             this.log = log;

   293             try {

   294                 try {

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

   296                     loadMethodName = "load";

   297                     jusl = true;

   298                 } catch (ClassNotFoundException cnfe) {

   299                     try {

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

   301                         loadMethodName = "providers";

   302                         jusl = false;

   303                     } catch (ClassNotFoundException cnfe2) {

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

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

   306                                                                           null);

   307                         return;

   308                     }

   309                 }

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

   312                 Method loadMethod = loaderClass.getMethod(loadMethodName,

   313                                                           Class.class,

   314                                                           ClassLoader.class);

   316                 Object result = loadMethod.invoke(null,

   317                                                   Processor.class,

   318                                                   classLoader);

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

   321                 // method to get the iterator.

   322                 if (jusl) {

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

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

   325                 }

   327                 // The result should now be an iterator.

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

   329             } catch (Throwable t) {

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

   331                 throw new Abort(t);

   332             }

   333         }

   335         public boolean hasNext() {

   336             try {

   337                 return iterator.hasNext();

   338             } catch (Throwable t) {

   339                 if ("ServiceConfigurationError".

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

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

   342                 }

   343                 throw new Abort(t);

   344             }

   345         }

   347         public Processor next() {

   348             try {

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

   350             } catch (Throwable t) {

   351                 if ("ServiceConfigurationError".

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

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

   354                 } else {

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

   356                 }

   357                 throw new Abort(t);

   358             }

   359         }

   361         public void remove() {

   362             throw new UnsupportedOperationException();

   363         }

   364     }

   367     private static class NameProcessIterator implements Iterator<Processor> {

   368         Processor nextProc = null;

   369         Iterator<String> names;

   370         ClassLoader processorCL;

   371         Log log;

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

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

   375             this.processorCL = processorCL;

   376             this.log = log;

   377         }

   379         public boolean hasNext() {

   380             if (nextProc != null)

   381                 return true;

   382             else {

   383                 if (!names.hasNext())

   384                     return false;

   385                 else {

   386                     String processorName = names.next();

   388                     Processor processor;

   389                     try {

   390                         try {

   391                             processor =

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

   393                         } catch (ClassNotFoundException cnfe) {

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

   395                             return false;

   396                         } catch (ClassCastException cce) {

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

   398                             return false;

   399                         } catch (Exception e ) {

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

   401                             return false;

   402                         }

   403                     } catch(Throwable t) {

   404                         throw new AnnotationProcessingError(t);

   405                     }

   406                     nextProc = processor;

   407                     return true;

   408                 }

   410             }

   411         }

   413         public Processor next() {

   414             if (hasNext()) {

   415                 Processor p = nextProc;

   416                 nextProc = null;

   417                 return p;

   418             } else

   419                 throw new NoSuchElementException();

   420         }

   422         public void remove () {

   423             throw new UnsupportedOperationException();

   424         }

   425     }

   427     public boolean atLeastOneProcessor() {

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

   429     }

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

   432         Options options = Options.instance(context);

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

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

   436         for(String key : keySet) {

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

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

   439                 String candidateKey = null;

   440                 String candidateValue = null;

   442                 if (sepIndex == -1)

   443                     candidateKey = key.substring(2);

   444                 else if (sepIndex >= 3) {

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

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

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

   448                 }

   449                 tempOptions.put(candidateKey, candidateValue);

   450             }

   451         }

   453         return Collections.unmodifiableMap(tempOptions);

   454     }

   456     private Set<String> initUnmatchedProcessorOptions() {

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

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

   459         return unmatchedProcessorOptions;

   460     }

   462     /**

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

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

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

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

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

   468      * only) getSupportedAnnotationTypes call to the processor.

   469      */

   470     static class ProcessorState {

   471         public Processor processor;

   472         public boolean   contributed;

   473         private ArrayList<Pattern> supportedAnnotationPatterns;

   474         private ArrayList<String>  supportedOptionNames;

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

   477             processor = p;

   478             contributed = false;

   480             try {

   481                 processor.init(env);

   483                 checkSourceVersionCompatibility(source, log);

   485                 supportedAnnotationPatterns = new ArrayList<Pattern>();

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

   487                     supportedAnnotationPatterns.add(importStringToPattern(importString,

   488                                                                           processor,

   489                                                                           log));

   490                 }

   492                 supportedOptionNames = new ArrayList<String>();

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

   494                     if (checkOptionName(optionName, log))

   495                         supportedOptionNames.add(optionName);

   496                 }

   498             } catch (Throwable t) {

   499                 throw new AnnotationProcessingError(t);

   500             }

   501         }

   503         /**

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

   505          * compatible with the compilation source version.  The

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

   507          * equal to the source version of the compile.

   508          */

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

   510             SourceVersion procSourceVersion = processor.getSupportedSourceVersion();

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

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

   514                             procSourceVersion,

   515                             processor.getClass().getName(),

   516                             source.name);

   517             }

   518         }

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

   521             boolean valid = isValidOptionName(optionName);

   522             if (!valid)

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

   524                             optionName,

   525                             processor.getClass().getName());

   526             return valid;

   527         }

   529         public boolean annotationSupported(String annotationName) {

   530             for(Pattern p: supportedAnnotationPatterns) {

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

   532                     return true;

   533             }

   534             return false;

   535         }

   537         /**

   538          * Remove options that are matched by this processor.

   539          */

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

   541             unmatchedProcessorOptions.removeAll(supportedOptionNames);

   542         }

   543     }

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

   546     /**

   547      * This class holds information about the processors that have

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

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

   550      * annotation processing.  The iterator first visits already

   551      * discovered processors then fails over to the service provided

   552      * mechanism if additional queries are made.

   553      */

   554     class DiscoveredProcessors implements Iterable<ProcessorState> {

   556         class ProcessorStateIterator implements Iterator<ProcessorState> {

   557             DiscoveredProcessors psi;

   558             Iterator<ProcessorState> innerIter;

   559             boolean onProcInterator;

   561             ProcessorStateIterator(DiscoveredProcessors psi) {

   562                 this.psi = psi;

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

   564                 this.onProcInterator = false;

   565             }

   567             public ProcessorState next() {

   568                 if (!onProcInterator) {

   569                     if (innerIter.hasNext())

   570                         return innerIter.next();

   571                     else

   572                         onProcInterator = true;

   573                 }

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

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

   577                                                            log, source, JavacProcessingEnvironment.this);

   578                     psi.procStateList.add(ps);

   579                     return ps;

   580                 } else

   581                     throw new NoSuchElementException();

   582             }

   584             public boolean hasNext() {

   585                 if (onProcInterator)

   586                     return  psi.processorIterator.hasNext();

   587                 else

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

   589             }

   591             public void remove () {

   592                 throw new UnsupportedOperationException();

   593             }

   595             /**

   596              * Run all remaining processors on the procStateList that

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

   598              * annotations.

   599              */

   600             public void runContributingProcs(RoundEnvironment re) {

   601                 if (!onProcInterator) {

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

   603                     while(innerIter.hasNext()) {

   604                         ProcessorState ps = innerIter.next();

   605                         if (ps.contributed)

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

   607                     }

   608                 }

   609             }

   610         }

   612         Iterator<? extends Processor> processorIterator;

   613         ArrayList<ProcessorState>  procStateList;

   615         public ProcessorStateIterator iterator() {

   616             return new ProcessorStateIterator(this);

   617         }

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

   620             this.processorIterator = processorIterator;

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

   622         }

   623     }

   625     private void discoverAndRunProcs(Context context,

   626                                      Set<TypeElement> annotationsPresent,

   627                                      List<ClassSymbol> topLevelClasses,

   628                                      List<PackageSymbol> packageInfoFiles) {

   629         // Writer for -XprintRounds and -XprintProcessorInfo data

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

   632         Map<String, TypeElement> unmatchedAnnotations =

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

   635         for(TypeElement a  : annotationsPresent) {

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

   637                                          a);

   638         }

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

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

   642             unmatchedAnnotations.put("", null);

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

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

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

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

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

   649         // are not doing processing in that case.

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

   652         rootElements.addAll(topLevelClasses);

   653         rootElements.addAll(packageInfoFiles);

   654         rootElements = Collections.unmodifiableSet(rootElements);

   656         RoundEnvironment renv = new JavacRoundEnvironment(false,

   657                                                           false,

   658                                                           rootElements,

   659                                                           JavacProcessingEnvironment.this);

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

   662             ProcessorState ps = psi.next();

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

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

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

   666                 if (ps.annotationSupported(unmatchedAnnotationName) ) {

   667                     matchedNames.add(unmatchedAnnotationName);

   668                     TypeElement te = unmatchedAnnotations.get(unmatchedAnnotationName);

   669                     if (te != null)

   670                         typeElements.add(te);

   671                 }

   672             }

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

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

   676                 ps.contributed = true;

   677                 ps.removeSupportedOptions(unmatchedProcessorOptions);

   679                 if (printProcessorInfo || verbose) {

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

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

   682                                                         matchedNames.toString(),

   683                                                         processingResult));

   684                 }

   686                 if (processingResult) {

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

   688                 }

   690             }

   691         }

   692         unmatchedAnnotations.remove("");

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

   695             // Remove annotations processed by javac

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

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

   698                 log = Log.instance(context);

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

   700                             unmatchedAnnotations.keySet());

   701             }

   702         }

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

   705         psi.runContributingProcs(renv);

   707         // Debugging

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

   709             filer.displayState();

   710     }

   712     /**

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

   714      * Leave class public for external testing purposes.

   715      */

   716     public static class ComputeAnnotationSet extends

   717         ElementScanner6<Set<TypeElement>, Set<TypeElement>> {

   718         final Elements elements;

   720         public ComputeAnnotationSet(Elements elements) {

   721             super();

   722             this.elements = elements;

   723         }

   725         @Override

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

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

   728             return p;

   729         }

   731         @Override

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

   733             for (AnnotationMirror annotationMirror :

   734                      elements.getAllAnnotationMirrors(e) ) {

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

   736                 p.add((TypeElement) e2);

   737             }

   738             return super.scan(e, p);

   739         }

   740     }

   742     private boolean callProcessor(Processor proc,

   743                                          Set<? extends TypeElement> tes,

   744                                          RoundEnvironment renv) {

   745         try {

   746             return proc.process(tes, renv);

   747         } catch (CompletionFailure ex) {

   748             StringWriter out = new StringWriter();

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

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

   751             return false;

   752         } catch (Throwable t) {

   753             throw new AnnotationProcessingError(t);

   754         }

   755     }

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

   759     // processing error

   760     public JavaCompiler doProcessing(Context context,

   761                                      List<JCCompilationUnit> roots,

   762                                      List<ClassSymbol> classSymbols,

   763                                      Iterable<? extends PackageSymbol> pckSymbols)

   764     throws IOException {

   766         log = Log.instance(context);

   767         // Writer for -XprintRounds and -XprintProcessorInfo data

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

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

   772         AnnotationCollector collector = new AnnotationCollector();

   774         JavaCompiler compiler = JavaCompiler.instance(context);

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

   777         int round = 0;

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

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

   782         for (ClassSymbol classSym : classSymbols)

   783             topLevelClasses = topLevelClasses.prepend(classSym);

   784         List<PackageSymbol> packageInfoFiles =

   785             getPackageInfoFiles(roots);

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

   788         for (PackageSymbol psym : pckSymbols)

   789             specifiedPackages.add(psym);

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

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

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

   794         ComputeAnnotationSet annotationComputer = new ComputeAnnotationSet(elementUtils);

   795         for (ClassSymbol classSym : topLevelClasses)

   796             annotationComputer.scan(classSym, annotationsPresent);

   797         for (PackageSymbol pkgSym : packageInfoFiles)

   798             annotationComputer.scan(pkgSym, annotationsPresent);

   800         Context currentContext = context;

   802         int roundNumber = 0;

   803         boolean errorStatus = false;

   805         runAround:

   806         while(true) {

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

   808                 errorStatus = true;

   809                 break runAround;

   810             }

   812             this.context = currentContext;

   813             roundNumber++;

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

   816             if (taskListener != null)

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

   819             try {

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

   821             } finally {

   822                 if (taskListener != null)

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

   824             }

   826             /*

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

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

   829              * annotation processors and then checking for syntax

   830              * errors on any generated source files.

   831              */

   832             if (messager.errorRaised()) {

   833                 errorStatus = true;

   834                 break runAround;

   835             } else {

   836                 if (moreToDo()) {

   837                     // annotationsPresentInSource = List.nil();

   838                     annotationsPresent = new LinkedHashSet<TypeElement>();

   839                     topLevelClasses  = List.nil();

   840                     packageInfoFiles = List.nil();

   842                     compiler.close(false);

   843                     currentContext = contextForNextRound(currentContext, true);

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

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

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

   849                         fileObjects = fileObjects.prepend(jfo);

   850                     }

   853                     compiler = JavaCompiler.instance(currentContext);

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

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

   858                     for (JCCompilationUnit unit : parsedFiles)

   859                         roots = roots.prepend(unit);

   860                     roots = roots.reverse();

   862                     // Check for errors after parsing

   863                     if (compiler.parseErrors()) {

   864                         errorStatus = true;

   865                         break runAround;

   866                     } else {

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

   868                         compiler.enterTrees(roots);

   870                         // annotationsPresentInSource =

   871                         // collector.findAnnotations(parsedFiles);

   872                         classes.appendList(getTopLevelClasses(parsedFiles));

   873                         topLevelClasses  = classes.toList();

   874                         packageInfoFiles = getPackageInfoFiles(parsedFiles);

   876                         annotationsPresent = new LinkedHashSet<TypeElement>();

   877                         for (ClassSymbol classSym : topLevelClasses)

   878                             annotationComputer.scan(classSym, annotationsPresent);

   879                         for (PackageSymbol pkgSym : packageInfoFiles)

   880                             annotationComputer.scan(pkgSym, annotationsPresent);

   882                         updateProcessingState(currentContext, false);

   883                     }

   884                 } else

   885                     break runAround; // No new files

   886             }

   887         }

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

   890         compiler.close(false);

   891         currentContext = contextForNextRound(currentContext, true);

   892         compiler = JavaCompiler.instance(currentContext);

   893         filer.newRound(currentContext, true);

   894         filer.warnIfUnclosedFiles();

   895         warnIfUnmatchedOptions();

   897        /*

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

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

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

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

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

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

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

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

   906         * of the last round.

   907         */

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

   911         // Free resources

   912         this.close();

   914         if (taskListener != null)

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

   917         if (errorStatus) {

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

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

   920                 compiler.log.nerrors++;

   921         } else if (procOnly) {

   922             compiler.todo.clear();

   923         } else { // Final compilation

   924             compiler.close(false);

   925             currentContext = contextForNextRound(currentContext, true);

   926             compiler = JavaCompiler.instance(currentContext);

   928             if (true) {

   929                 compiler.enterTrees(cleanTrees(roots));

   930             } else {

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

   932                 for (JCCompilationUnit unit : roots)

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

   934                 roots = null;

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

   936             }

   937         }

   939         return compiler;

   940     }

   942     // Call the last round of annotation processing

   943     private void runLastRound(PrintWriter xout,

   944                               int roundNumber,

   945                               boolean errorStatus,

   946                               TaskListener taskListener) throws IOException {

   947         roundNumber++;

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

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

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

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

   953         RoundEnvironment renv = new JavacRoundEnvironment(true,

   954                                                           errorStatus,

   955                                                           emptyRootElements,

   956                                                           JavacProcessingEnvironment.this);

   957         if (taskListener != null)

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

   960         try {

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

   962         } finally {

   963             if (taskListener != null)

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

   965         }

   966     }

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

   969         filer.newRound(currentContext, lastRound);

   970         messager.newRound(currentContext);

   972         elementUtils.setContext(currentContext);

   973         typeUtils.setContext(currentContext);

   974     }

   976     private void warnIfUnmatchedOptions() {

   977         if (!unmatchedProcessorOptions.isEmpty()) {

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

   979         }

   980     }

   982     private void printRoundInfo(PrintWriter xout,

   983                                 int roundNumber,

   984                                 List<ClassSymbol> topLevelClasses,

   985                                 Set<TypeElement> annotationsPresent,

   986                                 boolean lastRound) {

   987         if (printRounds || verbose) {

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

   989                                                 roundNumber,

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

   991                                                 annotationsPresent,

   992                                                 lastRound));

   993         }

   994     }

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

   997         ClassReader reader = ClassReader.instance(currentContext);

   998         Names names = Names.instance(currentContext);

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

  1001         for (Map.Entry<String,JavaFileObject> entry : filer.getGeneratedClasses().entrySet()) {

  1002             Name name = names.fromString(entry.getKey());

  1003             JavaFileObject file = entry.getValue();

  1004             if (file.getKind() != JavaFileObject.Kind.CLASS)

  1005                 throw new AssertionError(file);

  1006             ClassSymbol cs = reader.enterClass(name, file);

  1007             list.append(cs);

  1008         }

  1009         return list;

  1010     }

  1012     /**

  1013      * Free resources related to annotation processing.

  1014      */

  1015     public void close() {

  1016         filer.close();

  1017         discoveredProcs = null;

  1018     }

  1020     private List<ClassSymbol> getTopLevelClasses(List<? extends JCCompilationUnit> units) {

  1021         List<ClassSymbol> classes = List.nil();

  1022         for (JCCompilationUnit unit : units) {

  1023             for (JCTree node : unit.defs) {

  1024                 if (node.getTag() == JCTree.CLASSDEF) {

  1025                     classes = classes.prepend(((JCClassDecl) node).sym);

  1026                 }

  1027             }

  1028         }

  1029         return classes.reverse();

  1030     }

  1032     private List<PackageSymbol> getPackageInfoFiles(List<? extends JCCompilationUnit> units) {

  1033         List<PackageSymbol> packages = List.nil();

  1034         for (JCCompilationUnit unit : units) {

  1035             boolean isPkgInfo = unit.sourcefile.isNameCompatible("package-info",

  1036                                                                  JavaFileObject.Kind.SOURCE);

  1037             if (isPkgInfo) {

  1038                 packages = packages.prepend(unit.packge);

  1039             }

  1040         }

  1041         return packages.reverse();

  1042     }

  1044     private Context contextForNextRound(Context context, boolean shareNames)

  1045         throws IOException

  1046     {

  1047         Context next = new Context();

  1049         Options options = Options.instance(context);

  1050         assert options != null;

  1051         next.put(Options.optionsKey, options);

  1053         PrintWriter out = context.get(Log.outKey);

  1054         assert out != null;

  1055         next.put(Log.outKey, out);

  1057         if (shareNames) {

  1058             Names names = Names.instance(context);

  1059             assert names != null;

  1060             next.put(Names.namesKey, names);

  1061         }

  1063         DiagnosticListener<?> dl = context.get(DiagnosticListener.class);

  1064         if (dl != null)

  1065             next.put(DiagnosticListener.class, dl);

  1067         TaskListener tl = context.get(TaskListener.class);

  1068         if (tl != null)

  1069             next.put(TaskListener.class, tl);

  1071         JavaFileManager jfm = context.get(JavaFileManager.class);

  1072         assert jfm != null;

  1073         next.put(JavaFileManager.class, jfm);

  1074         if (jfm instanceof JavacFileManager) {

  1075             ((JavacFileManager)jfm).setContext(next);

  1076         }

  1078         Names names = Names.instance(context);

  1079         assert names != null;

  1080         next.put(Names.namesKey, names);

  1082         Keywords keywords = Keywords.instance(context);

  1083         assert(keywords != null);

  1084         next.put(Keywords.keywordsKey, keywords);

  1086         JavaCompiler oldCompiler = JavaCompiler.instance(context);

  1087         JavaCompiler nextCompiler = JavaCompiler.instance(next);

  1088         nextCompiler.initRound(oldCompiler);

  1090         JavacTaskImpl task = context.get(JavacTaskImpl.class);

  1091         if (task != null) {

  1092             next.put(JavacTaskImpl.class, task);

  1093             task.updateContext(next);

  1094         }

  1096         context.clear();

  1097         return next;

  1098     }

  1100     /*

  1101      * Called retroactively to determine if a class loader was required,

  1102      * after we have failed to create one.

  1103      */

  1104     private boolean needClassLoader(String procNames, Iterable<? extends File> workingpath) {

  1105         if (procNames != null)

  1106             return true;

  1108         String procPath;

  1109         URL[] urls = new URL[1];

  1110         for(File pathElement : workingpath) {

  1111             try {

  1112                 urls[0] = pathElement.toURI().toURL();

  1113                 if (ServiceProxy.hasService(Processor.class, urls))

  1114                     return true;

  1115             } catch (MalformedURLException ex) {

  1116                 throw new AssertionError(ex);

  1117             }

  1118             catch (ServiceProxy.ServiceConfigurationError e) {

  1119                 log.error("proc.bad.config.file", e.getLocalizedMessage());

  1120                 return true;

  1121             }

  1122         }

  1124         return false;

  1125     }

  1127     private class AnnotationCollector extends TreeScanner {

  1128         List<JCTree> path = List.nil();

  1129         static final boolean verbose = false;

  1130         List<JCAnnotation> annotations = List.nil();

  1132         public List<JCAnnotation> findAnnotations(List<? extends JCTree> nodes) {

  1133             annotations = List.nil();

  1134             scan(nodes);

  1135             List<JCAnnotation> found = annotations;

  1136             annotations = List.nil();

  1137             return found.reverse();

  1138         }

  1140         public void scan(JCTree node) {

  1141             if (node == null)

  1142                 return;

  1143             Symbol sym = TreeInfo.symbolFor(node);

  1144             if (sym != null)

  1145                 path = path.prepend(node);

  1146             super.scan(node);

  1147             if (sym != null)

  1148                 path = path.tail;

  1149         }

  1151         public void visitAnnotation(JCAnnotation node) {

  1152             annotations = annotations.prepend(node);

  1153             if (verbose) {

  1154                 StringBuilder sb = new StringBuilder();

  1155                 for (JCTree tree : path.reverse()) {

  1156                     System.err.print(sb);

  1157                     System.err.println(TreeInfo.symbolFor(tree));

  1158                     sb.append("  ");

  1159                 }

  1160                 System.err.print(sb);

  1161                 System.err.println(node);

  1162             }

  1163         }

  1164     }

  1166     private static <T extends JCTree> List<T> cleanTrees(List<T> nodes) {

  1167         for (T node : nodes)

  1168             treeCleaner.scan(node);

  1169         return nodes;

  1170     }

  1172     private static TreeScanner treeCleaner = new TreeScanner() {

  1173             public void scan(JCTree node) {

  1174                 super.scan(node);

  1175                 if (node != null)

  1176                     node.type = null;

  1177             }

  1178             public void visitTopLevel(JCCompilationUnit node) {

  1179                 node.packge = null;

  1180                 super.visitTopLevel(node);

  1181             }

  1182             public void visitClassDef(JCClassDecl node) {

  1183                 node.sym = null;

  1184                 super.visitClassDef(node);

  1185             }

  1186             public void visitMethodDef(JCMethodDecl node) {

  1187                 node.sym = null;

  1188                 super.visitMethodDef(node);

  1189             }

  1190             public void visitVarDef(JCVariableDecl node) {

  1191                 node.sym = null;

  1192                 super.visitVarDef(node);

  1193             }

  1194             public void visitNewClass(JCNewClass node) {

  1195                 node.constructor = null;

  1196                 super.visitNewClass(node);

  1197             }

  1198             public void visitAssignop(JCAssignOp node) {

  1199                 node.operator = null;

  1200                 super.visitAssignop(node);

  1201             }

  1202             public void visitUnary(JCUnary node) {

  1203                 node.operator = null;

  1204                 super.visitUnary(node);

  1205             }

  1206             public void visitBinary(JCBinary node) {

  1207                 node.operator = null;

  1208                 super.visitBinary(node);

  1209             }

  1210             public void visitSelect(JCFieldAccess node) {

  1211                 node.sym = null;

  1212                 super.visitSelect(node);

  1213             }

  1214             public void visitIdent(JCIdent node) {

  1215                 node.sym = null;

  1216                 super.visitIdent(node);

  1217             }

  1218         };

  1221     private boolean moreToDo() {

  1222         return filer.newFiles();

  1223     }

  1225     /**

  1226      * {@inheritdoc}

  1227      *

  1228      * Command line options suitable for presenting to annotation

  1229      * processors.  "-Afoo=bar" should be "-Afoo" => "bar".

  1230      */

  1231     public Map<String,String> getOptions() {

  1232         return processorOptions;

  1233     }

  1235     public Messager getMessager() {

  1236         return messager;

  1237     }

  1239     public Filer getFiler() {

  1240         return filer;

  1241     }

  1243     public JavacElements getElementUtils() {

  1244         return elementUtils;

  1245     }

  1247     public JavacTypes getTypeUtils() {

  1248         return typeUtils;

  1249     }

  1251     public SourceVersion getSourceVersion() {

  1252         return Source.toSourceVersion(source);

  1253     }

  1255     public Locale getLocale() {

  1256         return messages.getCurrentLocale();

  1257     }

  1259     public Set<Symbol.PackageSymbol> getSpecifiedPackages() {

  1260         return specifiedPackages;

  1261     }

  1263     // Borrowed from DocletInvoker and apt

  1264     // TODO: remove from apt's Main

  1265     /**

  1266      * Utility method for converting a search path string to an array

  1267      * of directory and JAR file URLs.

  1268      *

  1269      * @param path the search path string

  1270      * @return the resulting array of directory and JAR file URLs

  1271      */

  1272     public static URL[] pathToURLs(String path) {

  1273         StringTokenizer st = new StringTokenizer(path, File.pathSeparator);

  1274         URL[] urls = new URL[st.countTokens()];

  1275         int count = 0;

  1276         while (st.hasMoreTokens()) {

  1277             URL url = fileToURL(new File(st.nextToken()));

  1278             if (url != null) {

  1279                 urls[count++] = url;

  1280             }

  1281         }

  1282         if (urls.length != count) {

  1283             URL[] tmp = new URL[count];

  1284             System.arraycopy(urls, 0, tmp, 0, count);

  1285             urls = tmp;

  1286         }

  1287         return urls;

  1288     }

  1290     /**

  1291      * Returns the directory or JAR file URL corresponding to the specified

  1292      * local file name.

  1293      *

  1294      * @param file the File object

  1295      * @return the resulting directory or JAR file URL, or null if unknown

  1296      */

  1297     private static URL fileToURL(File file) {

  1298         String name;

  1299         try {

  1300             name = file.getCanonicalPath();

  1301         } catch (IOException e) {

  1302             name = file.getAbsolutePath();

  1303         }

  1304         name = name.replace(File.separatorChar, '/');

  1305         if (!name.startsWith("/")) {

  1306             name = "/" + name;

  1307         }

  1308         // If the file does not exist, then assume that it's a directory

  1309         if (!file.isFile()) {

  1310             name = name + "/";

  1311         }

  1312         try {

  1313             return new URL("file", "", name);

  1314         } catch (MalformedURLException e) {

  1315             throw new IllegalArgumentException("file");

  1316         }

  1317     }

  1321     private static final Pattern allMatches = Pattern.compile(".*");

  1323     private static final Pattern noMatches  = Pattern.compile("(\\P{all})+");

  1324     /**

  1325      * Convert import-style string to regex matching that string.  If

  1326      * the string is a valid import-style string, return a regex that

  1327      * won't match anything.

  1328      */

  1329     // TODO: remove version in Apt.java

  1330     public static Pattern importStringToPattern(String s, Processor p, Log log) {

  1331         if (s.equals("*")) {

  1332             return allMatches;

  1333         } else {

  1334             String t = s;

  1335             boolean star = false;

  1337             /*

  1338              * Validate string from factory is legal.  If the string

  1339              * has more than one asterisks or the asterisks does not

  1340              * appear as the last character (preceded by a period),

  1341              * the string is not legal.

  1342              */

  1344             boolean valid = true;

  1345             int index = t.indexOf('*');

  1346             if (index != -1) {

  1347                 // '*' must be last character...

  1348                 if (index == t.length() -1) {

  1349                      // ... and preceeding character must be '.'

  1350                     if ( index-1 >= 0 ) {

  1351                         valid = t.charAt(index-1) == '.';

  1352                         // Strip off ".*$" for identifier checks

  1353                         t = t.substring(0, t.length()-2);

  1354                     }

  1355                 } else

  1356                     valid = false;

  1357             }

  1359             // Verify string is off the form (javaId \.)+ or javaId

  1360             if (valid) {

  1361                 String[] javaIds = t.split("\\.", t.length()+2);

  1362                 for(String javaId: javaIds)

  1363                     valid &= SourceVersion.isIdentifier(javaId);

  1364             }

  1366             if (!valid) {

  1367                 log.warning("proc.malformed.supported.string", s, p.getClass().getName());

  1368                 return noMatches; // won't match any valid identifier

  1369             }

  1371             String s_prime = s.replaceAll("\\.", "\\\\.");

  1373             if (s_prime.endsWith("*")) {

  1374                 s_prime =  s_prime.substring(0, s_prime.length() - 1) + ".+";

  1375             }

  1377             return Pattern.compile(s_prime);

  1378         }

  1379     }

  1381     /**

  1382      * For internal use by Sun Microsystems only.  This method will be

  1383      * removed without warning.

  1384      */

  1385     public Context getContext() {

  1386         return context;

  1387     }

  1389     public String toString() {

  1390         return "javac ProcessingEnvironment";

  1391     }

  1393     public static boolean isValidOptionName(String optionName) {

  1394         for(String s : optionName.split("\\.", -1)) {

  1395             if (!SourceVersion.isIdentifier(s))

  1396                 return false;

  1397         }

  1398         return true;

  1399     }

  1400 }

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

src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@1fbc1cc6e260

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