jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@79eb8795a1de

     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.JavacFileManager;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    76 import static javax.tools.StandardLocation.*;

    78 /**

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

    80  * annotation processing.

    81  *

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

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

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

    85  * deletion without notice.</b>

    86  */

    87 public class JavacProcessingEnvironment implements ProcessingEnvironment, Closeable {

    88     Options options;

    90     private final boolean printProcessorInfo;

    91     private final boolean printRounds;

    92     private final boolean verbose;

    93     private final boolean lint;

    94     private final boolean procOnly;

    95     private final boolean fatalErrors;

    97     private final JavacFiler filer;

    98     private final JavacMessager messager;

    99     private final JavacElements elementUtils;

   100     private final JavacTypes typeUtils;

   102     /**

   103      * Holds relevant state history of which processors have been

   104      * used.

   105      */

   106     private DiscoveredProcessors discoveredProcs;

   108     /**

   109      * Map of processor-specific options.

   110      */

   111     private final Map<String, String> processorOptions;

   113     /**

   114      */

   115     private final Set<String> unmatchedProcessorOptions;

   117     /**

   118      * Annotations implicitly processed and claimed by javac.

   119      */

   120     private final Set<String> platformAnnotations;

   122     /**

   123      * Set of packages given on command line.

   124      */

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

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

   128      */

   129     Log log;

   131     /**

   132      * Source level of the compile.

   133      */

   134     Source source;

   136     /**

   137      * JavacMessages object used for localization

   138      */

   139     private JavacMessages messages;

   141     private Context context;

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

   144         options = Options.instance(context);

   145         this.context = context;

   146         log = Log.instance(context);

   147         source = Source.instance(context);

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

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

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

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

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

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

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

   155         platformAnnotations = initPlatformAnnotations();

   157         // Initialize services before any processors are initialzied

   158         // in case processors use them.

   159         filer = new JavacFiler(context);

   160         messager = new JavacMessager(context, this);

   161         elementUtils = new JavacElements(context);

   162         typeUtils = new JavacTypes(context);

   163         processorOptions = initProcessorOptions(context);

   164         unmatchedProcessorOptions = initUnmatchedProcessorOptions();

   165         messages = JavacMessages.instance(context);

   166         initProcessorIterator(context, processors);

   167     }

   169     private Set<String> initPlatformAnnotations() {

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

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

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

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

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

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

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

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

   178         return Collections.unmodifiableSet(platformAnnotations);

   179     }

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

   182         Log   log   = Log.instance(context);

   183         Iterator<? extends Processor> processorIterator;

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

   186             try {

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

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

   189             } catch (Throwable t) {

   190                 AssertionError assertError =

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

   192                 assertError.initCause(t);

   193                 throw assertError;

   194             }

   195         } else if (processors != null) {

   196             processorIterator = processors.iterator();

   197         } else {

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

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

   200             try {

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

   202                 ClassLoader processorCL = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH)

   203                     ? fileManager.getClassLoader(ANNOTATION_PROCESSOR_PATH)

   204                     : fileManager.getClassLoader(CLASS_PATH);

   206                 /*

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

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

   209                  * provider mechanism to create the processor iterator.

   210                  */

   211                 if (processorNames != null) {

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

   213                 } else {

   214                     processorIterator = new ServiceIterator(processorCL, log);

   215                 }

   216             } catch (SecurityException e) {

   217                 /*

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

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

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

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

   222                  */

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

   224             }

   225         }

   226         discoveredProcs = new DiscoveredProcessors(processorIterator);

   227     }

   229     /**

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

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

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

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

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

   235      * created.

   236      *

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

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

   239      */

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

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

   243         if (fileManager instanceof JavacFileManager) {

   244             StandardJavaFileManager standardFileManager = (JavacFileManager) fileManager;

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

   246                 ? standardFileManager.getLocation(ANNOTATION_PROCESSOR_PATH)

   247                 : standardFileManager.getLocation(CLASS_PATH);

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

   250                 handleException(key, e);

   252         } else {

   253             handleException(key, e);

   254         }

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

   257         return pl.iterator();

   258     }

   260     /**

   261      * Handle a security exception thrown during initializing the

   262      * Processor iterator.

   263      */

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

   265         if (e != null) {

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

   267             throw new Abort(e);

   268         } else {

   269             log.error(key);

   270             throw new Abort();

   271         }

   272     }

   274     /**

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

   276      * iterator over annotations processors.  If

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

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

   279      */

   280     private class ServiceIterator implements Iterator<Processor> {

   281         // The to-be-wrapped iterator.

   282         private Iterator<?> iterator;

   283         private Log log;

   285         ServiceIterator(ClassLoader classLoader, Log log) {

   286             Class<?> loaderClass;

   287             String loadMethodName;

   288             boolean jusl;

   290             this.log = log;

   291             try {

   292                 try {

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

   294                     loadMethodName = "load";

   295                     jusl = true;

   296                 } catch (ClassNotFoundException cnfe) {

   297                     try {

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

   299                         loadMethodName = "providers";

   300                         jusl = false;

   301                     } catch (ClassNotFoundException cnfe2) {

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

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

   304                                                                           null);

   305                         return;

   306                     }

   307                 }

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

   310                 Method loadMethod = loaderClass.getMethod(loadMethodName,

   311                                                           Class.class,

   312                                                           ClassLoader.class);

   314                 Object result = loadMethod.invoke(null,

   315                                                   Processor.class,

   316                                                   classLoader);

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

   319                 // method to get the iterator.

   320                 if (jusl) {

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

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

   323                 }

   325                 // The result should now be an iterator.

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

   327             } catch (Throwable t) {

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

   329                 throw new Abort(t);

   330             }

   331         }

   333         public boolean hasNext() {

   334             try {

   335                 return iterator.hasNext();

   336             } catch (Throwable t) {

   337                 if ("ServiceConfigurationError".

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

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

   340                 }

   341                 throw new Abort(t);

   342             }

   343         }

   345         public Processor next() {

   346             try {

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

   348             } catch (Throwable t) {

   349                 if ("ServiceConfigurationError".

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

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

   352                 } else {

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

   354                 }

   355                 throw new Abort(t);

   356             }

   357         }

   359         public void remove() {

   360             throw new UnsupportedOperationException();

   361         }

   362     }

   365     private static class NameProcessIterator implements Iterator<Processor> {

   366         Processor nextProc = null;

   367         Iterator<String> names;

   368         ClassLoader processorCL;

   369         Log log;

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

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

   373             this.processorCL = processorCL;

   374             this.log = log;

   375         }

   377         public boolean hasNext() {

   378             if (nextProc != null)

   379                 return true;

   380             else {

   381                 if (!names.hasNext())

   382                     return false;

   383                 else {

   384                     String processorName = names.next();

   386                     Processor processor;

   387                     try {

   388                         try {

   389                             processor =

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

   391                         } catch (ClassNotFoundException cnfe) {

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

   393                             return false;

   394                         } catch (ClassCastException cce) {

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

   396                             return false;

   397                         } catch (Exception e ) {

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

   399                             return false;

   400                         }

   401                     } catch(Throwable t) {

   402                         throw new AnnotationProcessingError(t);

   403                     }

   404                     nextProc = processor;

   405                     return true;

   406                 }

   408             }

   409         }

   411         public Processor next() {

   412             if (hasNext()) {

   413                 Processor p = nextProc;

   414                 nextProc = null;

   415                 return p;

   416             } else

   417                 throw new NoSuchElementException();

   418         }

   420         public void remove () {

   421             throw new UnsupportedOperationException();

   422         }

   423     }

   425     public boolean atLeastOneProcessor() {

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

   427     }

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

   430         Options options = Options.instance(context);

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

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

   434         for(String key : keySet) {

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

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

   437                 String candidateKey = null;

   438                 String candidateValue = null;

   440                 if (sepIndex == -1)

   441                     candidateKey = key.substring(2);

   442                 else if (sepIndex >= 3) {

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

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

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

   446                 }

   447                 tempOptions.put(candidateKey, candidateValue);

   448             }

   449         }

   451         return Collections.unmodifiableMap(tempOptions);

   452     }

   454     private Set<String> initUnmatchedProcessorOptions() {

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

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

   457         return unmatchedProcessorOptions;

   458     }

   460     /**

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

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

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

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

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

   466      * only) getSupportedAnnotationTypes call to the processor.

   467      */

   468     static class ProcessorState {

   469         public Processor processor;

   470         public boolean   contributed;

   471         private ArrayList<Pattern> supportedAnnotationPatterns;

   472         private ArrayList<String>  supportedOptionNames;

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

   475             processor = p;

   476             contributed = false;

   478             try {

   479                 processor.init(env);

   481                 checkSourceVersionCompatibility(source, log);

   483                 supportedAnnotationPatterns = new ArrayList<Pattern>();

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

   485                     supportedAnnotationPatterns.add(importStringToPattern(importString,

   486                                                                           processor,

   487                                                                           log));

   488                 }

   490                 supportedOptionNames = new ArrayList<String>();

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

   492                     if (checkOptionName(optionName, log))

   493                         supportedOptionNames.add(optionName);

   494                 }

   496             } catch (Throwable t) {

   497                 throw new AnnotationProcessingError(t);

   498             }

   499         }

   501         /**

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

   503          * compatible with the compilation source version.  The

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

   505          * equal to the source version of the compile.

   506          */

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

   508             SourceVersion procSourceVersion = processor.getSupportedSourceVersion();

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

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

   512                             procSourceVersion,

   513                             processor.getClass().getName(),

   514                             source.name);

   515             }

   516         }

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

   519             boolean valid = isValidOptionName(optionName);

   520             if (!valid)

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

   522                             optionName,

   523                             processor.getClass().getName());

   524             return valid;

   525         }

   527         public boolean annotationSupported(String annotationName) {

   528             for(Pattern p: supportedAnnotationPatterns) {

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

   530                     return true;

   531             }

   532             return false;

   533         }

   535         /**

   536          * Remove options that are matched by this processor.

   537          */

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

   539             unmatchedProcessorOptions.removeAll(supportedOptionNames);

   540         }

   541     }

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

   544     /**

   545      * This class holds information about the processors that have

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

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

   548      * annotation processing.  The iterator first visits already

   549      * discovered processors then fails over to the service provided

   550      * mechanism if additional queries are made.

   551      */

   552     class DiscoveredProcessors implements Iterable<ProcessorState> {

   554         class ProcessorStateIterator implements Iterator<ProcessorState> {

   555             DiscoveredProcessors psi;

   556             Iterator<ProcessorState> innerIter;

   557             boolean onProcInterator;

   559             ProcessorStateIterator(DiscoveredProcessors psi) {

   560                 this.psi = psi;

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

   562                 this.onProcInterator = false;

   563             }

   565             public ProcessorState next() {

   566                 if (!onProcInterator) {

   567                     if (innerIter.hasNext())

   568                         return innerIter.next();

   569                     else

   570                         onProcInterator = true;

   571                 }

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

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

   575                                                            log, source, JavacProcessingEnvironment.this);

   576                     psi.procStateList.add(ps);

   577                     return ps;

   578                 } else

   579                     throw new NoSuchElementException();

   580             }

   582             public boolean hasNext() {

   583                 if (onProcInterator)

   584                     return  psi.processorIterator.hasNext();

   585                 else

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

   587             }

   589             public void remove () {

   590                 throw new UnsupportedOperationException();

   591             }

   593             /**

   594              * Run all remaining processors on the procStateList that

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

   596              * annotations.

   597              */

   598             public void runContributingProcs(RoundEnvironment re) {

   599                 if (!onProcInterator) {

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

   601                     while(innerIter.hasNext()) {

   602                         ProcessorState ps = innerIter.next();

   603                         if (ps.contributed)

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

   605                     }

   606                 }

   607             }

   608         }

   610         Iterator<? extends Processor> processorIterator;

   611         ArrayList<ProcessorState>  procStateList;

   613         public ProcessorStateIterator iterator() {

   614             return new ProcessorStateIterator(this);

   615         }

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

   618             this.processorIterator = processorIterator;

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

   620         }

   621     }

   623     private void discoverAndRunProcs(Context context,

   624                                      Set<TypeElement> annotationsPresent,

   625                                      List<ClassSymbol> topLevelClasses,

   626                                      List<PackageSymbol> packageInfoFiles) {

   627         // Writer for -XprintRounds and -XprintProcessorInfo data

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

   630         Map<String, TypeElement> unmatchedAnnotations =

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

   633         for(TypeElement a  : annotationsPresent) {

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

   635                                          a);

   636         }

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

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

   640             unmatchedAnnotations.put("", null);

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

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

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

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

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

   647         // are not doing processing in that case.

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

   650         rootElements.addAll(topLevelClasses);

   651         rootElements.addAll(packageInfoFiles);

   652         rootElements = Collections.unmodifiableSet(rootElements);

   654         RoundEnvironment renv = new JavacRoundEnvironment(false,

   655                                                           false,

   656                                                           rootElements,

   657                                                           JavacProcessingEnvironment.this);

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

   660             ProcessorState ps = psi.next();

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

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

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

   664                 if (ps.annotationSupported(unmatchedAnnotationName) ) {

   665                     matchedNames.add(unmatchedAnnotationName);

   666                     TypeElement te = unmatchedAnnotations.get(unmatchedAnnotationName);

   667                     if (te != null)

   668                         typeElements.add(te);

   669                 }

   670             }

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

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

   674                 ps.contributed = true;

   675                 ps.removeSupportedOptions(unmatchedProcessorOptions);

   677                 if (printProcessorInfo || verbose) {

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

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

   680                                                         matchedNames.toString(),

   681                                                         processingResult));

   682                 }

   684                 if (processingResult) {

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

   686                 }

   688             }

   689         }

   690         unmatchedAnnotations.remove("");

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

   693             // Remove annotations processed by javac

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

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

   696                 log = Log.instance(context);

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

   698                             unmatchedAnnotations.keySet());

   699             }

   700         }

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

   703         psi.runContributingProcs(renv);

   705         // Debugging

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

   707             filer.displayState();

   708     }

   710     /**

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

   712      * Leave class public for external testing purposes.

   713      */

   714     public static class ComputeAnnotationSet extends

   715         ElementScanner6<Set<TypeElement>, Set<TypeElement>> {

   716         final Elements elements;

   718         public ComputeAnnotationSet(Elements elements) {

   719             super();

   720             this.elements = elements;

   721         }

   723         @Override

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

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

   726             return p;

   727         }

   729         @Override

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

   731             for (AnnotationMirror annotationMirror :

   732                      elements.getAllAnnotationMirrors(e) ) {

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

   734                 p.add((TypeElement) e2);

   735             }

   736             return super.scan(e, p);

   737         }

   738     }

   740     private boolean callProcessor(Processor proc,

   741                                          Set<? extends TypeElement> tes,

   742                                          RoundEnvironment renv) {

   743         try {

   744             return proc.process(tes, renv);

   745         } catch (CompletionFailure ex) {

   746             StringWriter out = new StringWriter();

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

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

   749             return false;

   750         } catch (Throwable t) {

   751             throw new AnnotationProcessingError(t);

   752         }

   753     }

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

   757     // processing error

   758     public JavaCompiler doProcessing(Context context,

   759                                      List<JCCompilationUnit> roots,

   760                                      List<ClassSymbol> classSymbols,

   761                                      Iterable<? extends PackageSymbol> pckSymbols)

   762     throws IOException {

   764         log = Log.instance(context);

   765         // Writer for -XprintRounds and -XprintProcessorInfo data

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

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

   770         AnnotationCollector collector = new AnnotationCollector();

   772         JavaCompiler compiler = JavaCompiler.instance(context);

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

   775         int round = 0;

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

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

   780         for (ClassSymbol classSym : classSymbols)

   781             topLevelClasses = topLevelClasses.prepend(classSym);

   782         List<PackageSymbol> packageInfoFiles =

   783             getPackageInfoFiles(roots);

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

   786         for (PackageSymbol psym : pckSymbols)

   787             specifiedPackages.add(psym);

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

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

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

   792         ComputeAnnotationSet annotationComputer = new ComputeAnnotationSet(elementUtils);

   793         for (ClassSymbol classSym : topLevelClasses)

   794             annotationComputer.scan(classSym, annotationsPresent);

   795         for (PackageSymbol pkgSym : packageInfoFiles)

   796             annotationComputer.scan(pkgSym, annotationsPresent);

   798         Context currentContext = context;

   800         int roundNumber = 0;

   801         boolean errorStatus = false;

   803         runAround:

   804         while(true) {

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

   806                 errorStatus = true;

   807                 break runAround;

   808             }

   810             this.context = currentContext;

   811             roundNumber++;

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

   814             if (taskListener != null)

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

   817             try {

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

   819             } finally {

   820                 if (taskListener != null)

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

   822             }

   824             /*

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

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

   827              * annotation processors and then checking for syntax

   828              * errors on any generated source files.

   829              */

   830             if (messager.errorRaised()) {

   831                 errorStatus = true;

   832                 break runAround;

   833             } else {

   834                 if (moreToDo()) {

   835                     // annotationsPresentInSource = List.nil();

   836                     annotationsPresent = new LinkedHashSet<TypeElement>();

   837                     topLevelClasses  = List.nil();

   838                     packageInfoFiles = List.nil();

   840                     compiler.close(false);

   841                     currentContext = contextForNextRound(currentContext, true);

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

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

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

   847                         fileObjects = fileObjects.prepend(jfo);

   848                     }

   851                     compiler = JavaCompiler.instance(currentContext);

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

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

   856                     for (JCCompilationUnit unit : parsedFiles)

   857                         roots = roots.prepend(unit);

   858                     roots = roots.reverse();

   860                     // Check for errors after parsing

   861                     if (compiler.parseErrors()) {

   862                         errorStatus = true;

   863                         break runAround;

   864                     } else {

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

   866                         compiler.enterTrees(roots);

   868                         // annotationsPresentInSource =

   869                         // collector.findAnnotations(parsedFiles);

   870                         classes.appendList(getTopLevelClasses(parsedFiles));

   871                         topLevelClasses  = classes.toList();

   872                         packageInfoFiles = getPackageInfoFiles(parsedFiles);

   874                         annotationsPresent = new LinkedHashSet<TypeElement>();

   875                         for (ClassSymbol classSym : topLevelClasses)

   876                             annotationComputer.scan(classSym, annotationsPresent);

   877                         for (PackageSymbol pkgSym : packageInfoFiles)

   878                             annotationComputer.scan(pkgSym, annotationsPresent);

   880                         updateProcessingState(currentContext, false);

   881                     }

   882                 } else

   883                     break runAround; // No new files

   884             }

   885         }

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

   888         compiler.close(false);

   889         currentContext = contextForNextRound(currentContext, true);

   890         compiler = JavaCompiler.instance(currentContext);

   891         filer.newRound(currentContext, true);

   892         filer.warnIfUnclosedFiles();

   893         warnIfUnmatchedOptions();

   895        /*

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

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

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

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

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

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

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

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

   904         * of the last round.

   905         */

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

   909         // Free resources

   910         this.close();

   912         if (taskListener != null)

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

   915         if (errorStatus) {

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

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

   918                 compiler.log.nerrors++;

   919         } else if (procOnly) {

   920             compiler.todo.clear();

   921         } else { // Final compilation

   922             compiler.close(false);

   923             currentContext = contextForNextRound(currentContext, true);

   924             compiler = JavaCompiler.instance(currentContext);

   926             if (true) {

   927                 compiler.enterTrees(cleanTrees(roots));

   928             } else {

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

   930                 for (JCCompilationUnit unit : roots)

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

   932                 roots = null;

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

   934             }

   935         }

   937         return compiler;

   938     }

   940     // Call the last round of annotation processing

   941     private void runLastRound(PrintWriter xout,

   942                               int roundNumber,

   943                               boolean errorStatus,

   944                               TaskListener taskListener) throws IOException {

   945         roundNumber++;

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

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

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

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

   951         RoundEnvironment renv = new JavacRoundEnvironment(true,

   952                                                           errorStatus,

   953                                                           emptyRootElements,

   954                                                           JavacProcessingEnvironment.this);

   955         if (taskListener != null)

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

   958         try {

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

   960         } finally {

   961             if (taskListener != null)

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

   963         }

   964     }

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

   967         filer.newRound(currentContext, lastRound);

   968         messager.newRound(currentContext);

   970         elementUtils.setContext(currentContext);

   971         typeUtils.setContext(currentContext);

   972     }

   974     private void warnIfUnmatchedOptions() {

   975         if (!unmatchedProcessorOptions.isEmpty()) {

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

   977         }

   978     }

   980     private void printRoundInfo(PrintWriter xout,

   981                                 int roundNumber,

   982                                 List<ClassSymbol> topLevelClasses,

   983                                 Set<TypeElement> annotationsPresent,

   984                                 boolean lastRound) {

   985         if (printRounds || verbose) {

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

   987                                                 roundNumber,

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

   989                                                 annotationsPresent,

   990                                                 lastRound));

   991         }

   992     }

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

   995         ClassReader reader = ClassReader.instance(currentContext);

   996         Names names = Names.instance(currentContext);

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

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

  1000             Name name = names.fromString(entry.getKey());

  1001             JavaFileObject file = entry.getValue();

  1002             if (file.getKind() != JavaFileObject.Kind.CLASS)

  1003                 throw new AssertionError(file);

  1004             ClassSymbol cs = reader.enterClass(name, file);

  1005             list.append(cs);

  1006         }

  1007         return list;

  1008     }

  1010     /**

  1011      * Free resources related to annotation processing.

  1012      */

  1013     public void close() {

  1014         filer.close();

  1015         discoveredProcs = null;

  1016     }

  1018     private List<ClassSymbol> getTopLevelClasses(List<? extends JCCompilationUnit> units) {

  1019         List<ClassSymbol> classes = List.nil();

  1020         for (JCCompilationUnit unit : units) {

  1021             for (JCTree node : unit.defs) {

  1022                 if (node.getTag() == JCTree.CLASSDEF) {

  1023                     classes = classes.prepend(((JCClassDecl) node).sym);

  1024                 }

  1025             }

  1026         }

  1027         return classes.reverse();

  1028     }

  1030     private List<PackageSymbol> getPackageInfoFiles(List<? extends JCCompilationUnit> units) {

  1031         List<PackageSymbol> packages = List.nil();

  1032         for (JCCompilationUnit unit : units) {

  1033             boolean isPkgInfo = unit.sourcefile.isNameCompatible("package-info",

  1034                                                                  JavaFileObject.Kind.SOURCE);

  1035             if (isPkgInfo) {

  1036                 packages = packages.prepend(unit.packge);

  1037             }

  1038         }

  1039         return packages.reverse();

  1040     }

  1042     private Context contextForNextRound(Context context, boolean shareNames)

  1043         throws IOException

  1044     {

  1045         Context next = new Context();

  1047         Options options = Options.instance(context);

  1048         assert options != null;

  1049         next.put(Options.optionsKey, options);

  1051         PrintWriter out = context.get(Log.outKey);

  1052         assert out != null;

  1053         next.put(Log.outKey, out);

  1055         if (shareNames) {

  1056             Names names = Names.instance(context);

  1057             assert names != null;

  1058             next.put(Names.namesKey, names);

  1059         }

  1061         DiagnosticListener<?> dl = context.get(DiagnosticListener.class);

  1062         if (dl != null)

  1063             next.put(DiagnosticListener.class, dl);

  1065         TaskListener tl = context.get(TaskListener.class);

  1066         if (tl != null)

  1067             next.put(TaskListener.class, tl);

  1069         JavaFileManager jfm = context.get(JavaFileManager.class);

  1070         assert jfm != null;

  1071         next.put(JavaFileManager.class, jfm);

  1072         if (jfm instanceof JavacFileManager) {

  1073             ((JavacFileManager)jfm).setContext(next);

  1074         }

  1076         Names names = Names.instance(context);

  1077         assert names != null;

  1078         next.put(Names.namesKey, names);

  1080         Keywords keywords = Keywords.instance(context);

  1081         assert(keywords != null);

  1082         next.put(Keywords.keywordsKey, keywords);

  1084         JavaCompiler oldCompiler = JavaCompiler.instance(context);

  1085         JavaCompiler nextCompiler = JavaCompiler.instance(next);

  1086         nextCompiler.initRound(oldCompiler);

  1088         JavacTaskImpl task = context.get(JavacTaskImpl.class);

  1089         if (task != null) {

  1090             next.put(JavacTaskImpl.class, task);

  1091             task.updateContext(next);

  1092         }

  1094         context.clear();

  1095         return next;

  1096     }

  1098     /*

  1099      * Called retroactively to determine if a class loader was required,

  1100      * after we have failed to create one.

  1101      */

  1102     private boolean needClassLoader(String procNames, Iterable<? extends File> workingpath) {

  1103         if (procNames != null)

  1104             return true;

  1106         String procPath;

  1107         URL[] urls = new URL[1];

  1108         for(File pathElement : workingpath) {

  1109             try {

  1110                 urls[0] = pathElement.toURI().toURL();

  1111                 if (ServiceProxy.hasService(Processor.class, urls))

  1112                     return true;

  1113             } catch (MalformedURLException ex) {

  1114                 throw new AssertionError(ex);

  1115             }

  1116             catch (ServiceProxy.ServiceConfigurationError e) {

  1117                 log.error("proc.bad.config.file", e.getLocalizedMessage());

  1118                 return true;

  1119             }

  1120         }

  1122         return false;

  1123     }

  1125     private class AnnotationCollector extends TreeScanner {

  1126         List<JCTree> path = List.nil();

  1127         static final boolean verbose = false;

  1128         List<JCAnnotation> annotations = List.nil();

  1130         public List<JCAnnotation> findAnnotations(List<? extends JCTree> nodes) {

  1131             annotations = List.nil();

  1132             scan(nodes);

  1133             List<JCAnnotation> found = annotations;

  1134             annotations = List.nil();

  1135             return found.reverse();

  1136         }

  1138         public void scan(JCTree node) {

  1139             if (node == null)

  1140                 return;

  1141             Symbol sym = TreeInfo.symbolFor(node);

  1142             if (sym != null)

  1143                 path = path.prepend(node);

  1144             super.scan(node);

  1145             if (sym != null)

  1146                 path = path.tail;

  1147         }

  1149         public void visitAnnotation(JCAnnotation node) {

  1150             annotations = annotations.prepend(node);

  1151             if (verbose) {

  1152                 StringBuilder sb = new StringBuilder();

  1153                 for (JCTree tree : path.reverse()) {

  1154                     System.err.print(sb);

  1155                     System.err.println(TreeInfo.symbolFor(tree));

  1156                     sb.append("  ");

  1157                 }

  1158                 System.err.print(sb);

  1159                 System.err.println(node);

  1160             }

  1161         }

  1162     }

  1164     private static <T extends JCTree> List<T> cleanTrees(List<T> nodes) {

  1165         for (T node : nodes)

  1166             treeCleaner.scan(node);

  1167         return nodes;

  1168     }

  1170     private static TreeScanner treeCleaner = new TreeScanner() {

  1171             public void scan(JCTree node) {

  1172                 super.scan(node);

  1173                 if (node != null)

  1174                     node.type = null;

  1175             }

  1176             public void visitTopLevel(JCCompilationUnit node) {

  1177                 node.packge = null;

  1178                 super.visitTopLevel(node);

  1179             }

  1180             public void visitClassDef(JCClassDecl node) {

  1181                 node.sym = null;

  1182                 super.visitClassDef(node);

  1183             }

  1184             public void visitMethodDef(JCMethodDecl node) {

  1185                 node.sym = null;

  1186                 super.visitMethodDef(node);

  1187             }

  1188             public void visitVarDef(JCVariableDecl node) {

  1189                 node.sym = null;

  1190                 super.visitVarDef(node);

  1191             }

  1192             public void visitNewClass(JCNewClass node) {

  1193                 node.constructor = null;

  1194                 super.visitNewClass(node);

  1195             }

  1196             public void visitAssignop(JCAssignOp node) {

  1197                 node.operator = null;

  1198                 super.visitAssignop(node);

  1199             }

  1200             public void visitUnary(JCUnary node) {

  1201                 node.operator = null;

  1202                 super.visitUnary(node);

  1203             }

  1204             public void visitBinary(JCBinary node) {

  1205                 node.operator = null;

  1206                 super.visitBinary(node);

  1207             }

  1208             public void visitSelect(JCFieldAccess node) {

  1209                 node.sym = null;

  1210                 super.visitSelect(node);

  1211             }

  1212             public void visitIdent(JCIdent node) {

  1213                 node.sym = null;

  1214                 super.visitIdent(node);

  1215             }

  1216         };

  1219     private boolean moreToDo() {

  1220         return filer.newFiles();

  1221     }

  1223     /**

  1224      * {@inheritdoc}

  1225      *

  1226      * Command line options suitable for presenting to annotation

  1227      * processors.  "-Afoo=bar" should be "-Afoo" => "bar".

  1228      */

  1229     public Map<String,String> getOptions() {

  1230         return processorOptions;

  1231     }

  1233     public Messager getMessager() {

  1234         return messager;

  1235     }

  1237     public Filer getFiler() {

  1238         return filer;

  1239     }

  1241     public JavacElements getElementUtils() {

  1242         return elementUtils;

  1243     }

  1245     public JavacTypes getTypeUtils() {

  1246         return typeUtils;

  1247     }

  1249     public SourceVersion getSourceVersion() {

  1250         return Source.toSourceVersion(source);

  1251     }

  1253     public Locale getLocale() {

  1254         return messages.getCurrentLocale();

  1255     }

  1257     public Set<Symbol.PackageSymbol> getSpecifiedPackages() {

  1258         return specifiedPackages;

  1259     }

  1261     // Borrowed from DocletInvoker and apt

  1262     // TODO: remove from apt's Main

  1263     /**

  1264      * Utility method for converting a search path string to an array

  1265      * of directory and JAR file URLs.

  1266      *

  1267      * @param path the search path string

  1268      * @return the resulting array of directory and JAR file URLs

  1269      */

  1270     public static URL[] pathToURLs(String path) {

  1271         StringTokenizer st = new StringTokenizer(path, File.pathSeparator);

  1272         URL[] urls = new URL[st.countTokens()];

  1273         int count = 0;

  1274         while (st.hasMoreTokens()) {

  1275             URL url = fileToURL(new File(st.nextToken()));

  1276             if (url != null) {

  1277                 urls[count++] = url;

  1278             }

  1279         }

  1280         if (urls.length != count) {

  1281             URL[] tmp = new URL[count];

  1282             System.arraycopy(urls, 0, tmp, 0, count);

  1283             urls = tmp;

  1284         }

  1285         return urls;

  1286     }

  1288     /**

  1289      * Returns the directory or JAR file URL corresponding to the specified

  1290      * local file name.

  1291      *

  1292      * @param file the File object

  1293      * @return the resulting directory or JAR file URL, or null if unknown

  1294      */

  1295     private static URL fileToURL(File file) {

  1296         String name;

  1297         try {

  1298             name = file.getCanonicalPath();

  1299         } catch (IOException e) {

  1300             name = file.getAbsolutePath();

  1301         }

  1302         name = name.replace(File.separatorChar, '/');

  1303         if (!name.startsWith("/")) {

  1304             name = "/" + name;

  1305         }

  1306         // If the file does not exist, then assume that it's a directory

  1307         if (!file.isFile()) {

  1308             name = name + "/";

  1309         }

  1310         try {

  1311             return new URL("file", "", name);

  1312         } catch (MalformedURLException e) {

  1313             throw new IllegalArgumentException("file");

  1314         }

  1315     }

  1319     private static final Pattern allMatches = Pattern.compile(".*");

  1321     private static final Pattern noMatches  = Pattern.compile("(\\P{all})+");

  1322     /**

  1323      * Convert import-style string to regex matching that string.  If

  1324      * the string is a valid import-style string, return a regex that

  1325      * won't match anything.

  1326      */

  1327     // TODO: remove version in Apt.java

  1328     public static Pattern importStringToPattern(String s, Processor p, Log log) {

  1329         if (s.equals("*")) {

  1330             return allMatches;

  1331         } else {

  1332             String t = s;

  1333             boolean star = false;

  1335             /*

  1336              * Validate string from factory is legal.  If the string

  1337              * has more than one asterisks or the asterisks does not

  1338              * appear as the last character (preceded by a period),

  1339              * the string is not legal.

  1340              */

  1342             boolean valid = true;

  1343             int index = t.indexOf('*');

  1344             if (index != -1) {

  1345                 // '*' must be last character...

  1346                 if (index == t.length() -1) {

  1347                      // ... and preceeding character must be '.'

  1348                     if ( index-1 >= 0 ) {

  1349                         valid = t.charAt(index-1) == '.';

  1350                         // Strip off ".*$" for identifier checks

  1351                         t = t.substring(0, t.length()-2);

  1352                     }

  1353                 } else

  1354                     valid = false;

  1355             }

  1357             // Verify string is off the form (javaId \.)+ or javaId

  1358             if (valid) {

  1359                 String[] javaIds = t.split("\\.", t.length()+2);

  1360                 for(String javaId: javaIds)

  1361                     valid &= SourceVersion.isIdentifier(javaId);

  1362             }

  1364             if (!valid) {

  1365                 log.warning("proc.malformed.supported.string", s, p.getClass().getName());

  1366                 return noMatches; // won't match any valid identifier

  1367             }

  1369             String s_prime = s.replaceAll("\\.", "\\\\.");

  1371             if (s_prime.endsWith("*")) {

  1372                 s_prime =  s_prime.substring(0, s_prime.length() - 1) + ".+";

  1373             }

  1375             return Pattern.compile(s_prime);

  1376         }

  1377     }

  1379     /**

  1380      * For internal use by Sun Microsystems only.  This method will be

  1381      * removed without warning.

  1382      */

  1383     public Context getContext() {

  1384         return context;

  1385     }

  1387     public String toString() {

  1388         return "javac ProcessingEnvironment";

  1389     }

  1391     public static boolean isValidOptionName(String optionName) {

  1392         for(String s : optionName.split("\\.", -1)) {

  1393             if (!SourceVersion.isIdentifier(s))

  1394                 return false;

  1395         }

  1396         return true;

  1397     }

  1398 }

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

src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@79eb8795a1de

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