jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@a5454419dd46

6966732: replace use of static Log.getLocalizedString with non-static alternative where possible
Reviewed-by: darcy

     1 /*

     2  * Copyright (c) 2005, 2009, Oracle and/or its affiliates. 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.  Oracle designates this

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

     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

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

    28 import java.lang.reflect.*;

    29 import java.util.*;

    30 import java.util.regex.*;

    32 import java.net.URL;

    33 import java.io.Closeable;

    34 import java.io.File;

    35 import java.io.PrintWriter;

    36 import java.io.IOException;

    37 import java.net.MalformedURLException;

    38 import java.io.StringWriter;

    40 import javax.annotation.processing.*;

    41 import javax.lang.model.SourceVersion;

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

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

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

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

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

    47 import javax.tools.JavaFileManager;

    48 import javax.tools.StandardJavaFileManager;

    49 import javax.tools.JavaFileObject;

    50 import javax.tools.DiagnosticListener;

    52 import com.sun.source.util.AbstractTypeProcessor;

    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.main.JavaCompiler.CompileState;

    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.Convert;

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

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

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

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

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

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

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

    78 import static javax.tools.StandardLocation.*;

    80 /**

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

    82  * annotation processing.

    83  *

    84  * <p><b>This is NOT part of any supported API.

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

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

    87  * deletion without notice.</b>

    88  */

    89 public class JavacProcessingEnvironment implements ProcessingEnvironment, Closeable {

    90     Options options;

    92     private final boolean printProcessorInfo;

    93     private final boolean printRounds;

    94     private final boolean verbose;

    95     private final boolean lint;

    96     private final boolean procOnly;

    97     private final boolean fatalErrors;

    98     private boolean foundTypeProcessors;

   100     private final JavacFiler filer;

   101     private final JavacMessager messager;

   102     private final JavacElements elementUtils;

   103     private final JavacTypes typeUtils;

   105     /**

   106      * Holds relevant state history of which processors have been

   107      * used.

   108      */

   109     private DiscoveredProcessors discoveredProcs;

   111     /**

   112      * Map of processor-specific options.

   113      */

   114     private final Map<String, String> processorOptions;

   116     /**

   117      */

   118     private final Set<String> unmatchedProcessorOptions;

   120     /**

   121      * Annotations implicitly processed and claimed by javac.

   122      */

   123     private final Set<String> platformAnnotations;

   125     /**

   126      * Set of packages given on command line.

   127      */

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

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

   131      */

   132     Log log;

   134     /**

   135      * Source level of the compile.

   136      */

   137     Source source;

   139     private ClassLoader processorClassLoader;

   141     /**

   142      * JavacMessages object used for localization

   143      */

   144     private JavacMessages messages;

   146     private Context context;

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

   149         options = Options.instance(context);

   150         this.context = context;

   151         log = Log.instance(context);

   152         source = Source.instance(context);

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

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

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

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

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

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

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

   160         platformAnnotations = initPlatformAnnotations();

   161         foundTypeProcessors = false;

   163         // Initialize services before any processors are initialzied

   164         // in case processors use them.

   165         filer = new JavacFiler(context);

   166         messager = new JavacMessager(context, this);

   167         elementUtils = new JavacElements(context);

   168         typeUtils = new JavacTypes(context);

   169         processorOptions = initProcessorOptions(context);

   170         unmatchedProcessorOptions = initUnmatchedProcessorOptions();

   171         messages = JavacMessages.instance(context);

   172         initProcessorIterator(context, processors);

   173     }

   175     private Set<String> initPlatformAnnotations() {

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

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

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

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

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

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

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

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

   184         return Collections.unmodifiableSet(platformAnnotations);

   185     }

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

   188         Log   log   = Log.instance(context);

   189         Iterator<? extends Processor> processorIterator;

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

   192             try {

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

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

   195             } catch (Throwable t) {

   196                 AssertionError assertError =

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

   198                 assertError.initCause(t);

   199                 throw assertError;

   200             }

   201         } else if (processors != null) {

   202             processorIterator = processors.iterator();

   203         } else {

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

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

   206             try {

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

   208                 processorClassLoader = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH)

   209                     ? fileManager.getClassLoader(ANNOTATION_PROCESSOR_PATH)

   210                     : fileManager.getClassLoader(CLASS_PATH);

   212                 /*

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

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

   215                  * provider mechanism to create the processor iterator.

   216                  */

   217                 if (processorNames != null) {

   218                     processorIterator = new NameProcessIterator(processorNames, processorClassLoader, log);

   219                 } else {

   220                     processorIterator = new ServiceIterator(processorClassLoader, log);

   221                 }

   222             } catch (SecurityException e) {

   223                 /*

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

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

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

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

   228                  */

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

   230             }

   231         }

   232         discoveredProcs = new DiscoveredProcessors(processorIterator);

   233     }

   235     /**

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

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

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

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

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

   241      * created.

   242      *

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

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

   245      */

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

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

   249         if (fileManager instanceof JavacFileManager) {

   250             StandardJavaFileManager standardFileManager = (JavacFileManager) fileManager;

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

   252                 ? standardFileManager.getLocation(ANNOTATION_PROCESSOR_PATH)

   253                 : standardFileManager.getLocation(CLASS_PATH);

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

   256                 handleException(key, e);

   258         } else {

   259             handleException(key, e);

   260         }

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

   263         return pl.iterator();

   264     }

   266     /**

   267      * Handle a security exception thrown during initializing the

   268      * Processor iterator.

   269      */

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

   271         if (e != null) {

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

   273             throw new Abort(e);

   274         } else {

   275             log.error(key);

   276             throw new Abort();

   277         }

   278     }

   280     /**

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

   282      * iterator over annotations processors.  If

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

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

   285      */

   286     private class ServiceIterator implements Iterator<Processor> {

   287         // The to-be-wrapped iterator.

   288         private Iterator<?> iterator;

   289         private Log log;

   290         private Class<?> loaderClass;

   291         private boolean jusl;

   292         private Object loader;

   294         ServiceIterator(ClassLoader classLoader, Log log) {

   295             String loadMethodName;

   297             this.log = log;

   298             try {

   299                 try {

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

   301                     loadMethodName = "load";

   302                     jusl = true;

   303                 } catch (ClassNotFoundException cnfe) {

   304                     try {

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

   306                         loadMethodName = "providers";

   307                         jusl = false;

   308                     } catch (ClassNotFoundException cnfe2) {

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

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

   311                                                                           null);

   312                         return;

   313                     }

   314                 }

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

   317                 Method loadMethod = loaderClass.getMethod(loadMethodName,

   318                                                           Class.class,

   319                                                           ClassLoader.class);

   321                 Object result = loadMethod.invoke(null,

   322                                                   Processor.class,

   323                                                   classLoader);

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

   326                 // method to get the iterator.

   327                 if (jusl) {

   328                     loader = result; // Store ServiceLoader to call reload later

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

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

   331                 }

   333                 // The result should now be an iterator.

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

   335             } catch (Throwable t) {

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

   337                 throw new Abort(t);

   338             }

   339         }

   341         public boolean hasNext() {

   342             try {

   343                 return iterator.hasNext();

   344             } catch (Throwable t) {

   345                 if ("ServiceConfigurationError".

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

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

   348                 }

   349                 throw new Abort(t);

   350             }

   351         }

   353         public Processor next() {

   354             try {

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

   356             } catch (Throwable t) {

   357                 if ("ServiceConfigurationError".

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

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

   360                 } else {

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

   362                 }

   363                 throw new Abort(t);

   364             }

   365         }

   367         public void remove() {

   368             throw new UnsupportedOperationException();

   369         }

   371         public void close() {

   372             if (jusl) {

   373                 try {

   374                     // Call java.util.ServiceLoader.reload

   375                     Method reloadMethod = loaderClass.getMethod("reload");

   376                     reloadMethod.invoke(loader);

   377                 } catch(Exception e) {

   378                     ; // Ignore problems during a call to reload.

   379                 }

   380             }

   381         }

   382     }

   385     private static class NameProcessIterator implements Iterator<Processor> {

   386         Processor nextProc = null;

   387         Iterator<String> names;

   388         ClassLoader processorCL;

   389         Log log;

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

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

   393             this.processorCL = processorCL;

   394             this.log = log;

   395         }

   397         public boolean hasNext() {

   398             if (nextProc != null)

   399                 return true;

   400             else {

   401                 if (!names.hasNext())

   402                     return false;

   403                 else {

   404                     String processorName = names.next();

   406                     Processor processor;

   407                     try {

   408                         try {

   409                             processor =

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

   411                         } catch (ClassNotFoundException cnfe) {

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

   413                             return false;

   414                         } catch (ClassCastException cce) {

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

   416                             return false;

   417                         } catch (Exception e ) {

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

   419                             return false;

   420                         }

   421                     } catch(Throwable t) {

   422                         throw new AnnotationProcessingError(t);

   423                     }

   424                     nextProc = processor;

   425                     return true;

   426                 }

   428             }

   429         }

   431         public Processor next() {

   432             if (hasNext()) {

   433                 Processor p = nextProc;

   434                 nextProc = null;

   435                 return p;

   436             } else

   437                 throw new NoSuchElementException();

   438         }

   440         public void remove () {

   441             throw new UnsupportedOperationException();

   442         }

   443     }

   445     public boolean atLeastOneProcessor() {

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

   447     }

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

   450         Options options = Options.instance(context);

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

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

   454         for(String key : keySet) {

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

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

   457                 String candidateKey = null;

   458                 String candidateValue = null;

   460                 if (sepIndex == -1)

   461                     candidateKey = key.substring(2);

   462                 else if (sepIndex >= 3) {

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

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

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

   466                 }

   467                 tempOptions.put(candidateKey, candidateValue);

   468             }

   469         }

   471         return Collections.unmodifiableMap(tempOptions);

   472     }

   474     private Set<String> initUnmatchedProcessorOptions() {

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

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

   477         return unmatchedProcessorOptions;

   478     }

   480     /**

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

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

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

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

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

   486      * only) getSupportedAnnotationTypes call to the processor.

   487      */

   488     static class ProcessorState {

   489         public Processor processor;

   490         public boolean   contributed;

   491         private ArrayList<Pattern> supportedAnnotationPatterns;

   492         private ArrayList<String>  supportedOptionNames;

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

   495             processor = p;

   496             contributed = false;

   498             try {

   499                 processor.init(env);

   501                 checkSourceVersionCompatibility(source, log);

   503                 supportedAnnotationPatterns = new ArrayList<Pattern>();

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

   505                     supportedAnnotationPatterns.add(importStringToPattern(importString,

   506                                                                           processor,

   507                                                                           log));

   508                 }

   510                 supportedOptionNames = new ArrayList<String>();

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

   512                     if (checkOptionName(optionName, log))

   513                         supportedOptionNames.add(optionName);

   514                 }

   516             } catch (Throwable t) {

   517                 throw new AnnotationProcessingError(t);

   518             }

   519         }

   521         /**

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

   523          * compatible with the compilation source version.  The

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

   525          * equal to the source version of the compile.

   526          */

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

   528             SourceVersion procSourceVersion = processor.getSupportedSourceVersion();

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

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

   532                             procSourceVersion,

   533                             processor.getClass().getName(),

   534                             source.name);

   535             }

   536         }

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

   539             boolean valid = isValidOptionName(optionName);

   540             if (!valid)

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

   542                             optionName,

   543                             processor.getClass().getName());

   544             return valid;

   545         }

   547         public boolean annotationSupported(String annotationName) {

   548             for(Pattern p: supportedAnnotationPatterns) {

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

   550                     return true;

   551             }

   552             return false;

   553         }

   555         /**

   556          * Remove options that are matched by this processor.

   557          */

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

   559             unmatchedProcessorOptions.removeAll(supportedOptionNames);

   560         }

   561     }

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

   564     /**

   565      * This class holds information about the processors that have

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

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

   568      * annotation processing.  The iterator first visits already

   569      * discovered processors then fails over to the service provider

   570      * mechanism if additional queries are made.

   571      */

   572     class DiscoveredProcessors implements Iterable<ProcessorState> {

   574         class ProcessorStateIterator implements Iterator<ProcessorState> {

   575             DiscoveredProcessors psi;

   576             Iterator<ProcessorState> innerIter;

   577             boolean onProcInterator;

   579             ProcessorStateIterator(DiscoveredProcessors psi) {

   580                 this.psi = psi;

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

   582                 this.onProcInterator = false;

   583             }

   585             public ProcessorState next() {

   586                 if (!onProcInterator) {

   587                     if (innerIter.hasNext())

   588                         return innerIter.next();

   589                     else

   590                         onProcInterator = true;

   591                 }

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

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

   595                                                            log, source, JavacProcessingEnvironment.this);

   596                     psi.procStateList.add(ps);

   597                     return ps;

   598                 } else

   599                     throw new NoSuchElementException();

   600             }

   602             public boolean hasNext() {

   603                 if (onProcInterator)

   604                     return  psi.processorIterator.hasNext();

   605                 else

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

   607             }

   609             public void remove () {

   610                 throw new UnsupportedOperationException();

   611             }

   613             /**

   614              * Run all remaining processors on the procStateList that

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

   616              * annotations.

   617              */

   618             public void runContributingProcs(RoundEnvironment re) {

   619                 if (!onProcInterator) {

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

   621                     while(innerIter.hasNext()) {

   622                         ProcessorState ps = innerIter.next();

   623                         if (ps.contributed)

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

   625                     }

   626                 }

   627             }

   628         }

   630         Iterator<? extends Processor> processorIterator;

   631         ArrayList<ProcessorState>  procStateList;

   633         public ProcessorStateIterator iterator() {

   634             return new ProcessorStateIterator(this);

   635         }

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

   638             this.processorIterator = processorIterator;

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

   640         }

   642         /**

   643          * Free jar files, etc. if using a service loader.

   644          */

   645         public void close() {

   646             if (processorIterator != null &&

   647                 processorIterator instanceof ServiceIterator) {

   648                 ((ServiceIterator) processorIterator).close();

   649             }

   650         }

   651     }

   653     private void discoverAndRunProcs(Context context,

   654                                      Set<TypeElement> annotationsPresent,

   655                                      List<ClassSymbol> topLevelClasses,

   656                                      List<PackageSymbol> packageInfoFiles) {

   657         Map<String, TypeElement> unmatchedAnnotations =

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

   660         for(TypeElement a  : annotationsPresent) {

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

   662                                          a);

   663         }

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

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

   667             unmatchedAnnotations.put("", null);

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

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

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

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

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

   674         // are not doing processing in that case.

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

   677         rootElements.addAll(topLevelClasses);

   678         rootElements.addAll(packageInfoFiles);

   679         rootElements = Collections.unmodifiableSet(rootElements);

   681         RoundEnvironment renv = new JavacRoundEnvironment(false,

   682                                                           false,

   683                                                           rootElements,

   684                                                           JavacProcessingEnvironment.this);

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

   687             ProcessorState ps = psi.next();

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

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

   691             for (Map.Entry<String, TypeElement> entry: unmatchedAnnotations.entrySet()) {

   692                 String unmatchedAnnotationName = entry.getKey();

   693                 if (ps.annotationSupported(unmatchedAnnotationName) ) {

   694                     matchedNames.add(unmatchedAnnotationName);

   695                     TypeElement te = entry.getValue();

   696                     if (te != null)

   697                         typeElements.add(te);

   698                 }

   699             }

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

   702                 foundTypeProcessors = foundTypeProcessors || (ps.processor instanceof AbstractTypeProcessor);

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

   704                 ps.contributed = true;

   705                 ps.removeSupportedOptions(unmatchedProcessorOptions);

   707                 if (printProcessorInfo || verbose) {

   708                     log.printNoteLines("x.print.processor.info",

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

   710                             matchedNames.toString(),

   711                             processingResult);

   712                 }

   714                 if (processingResult) {

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

   716                 }

   718             }

   719         }

   720         unmatchedAnnotations.remove("");

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

   723             // Remove annotations processed by javac

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

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

   726                 log = Log.instance(context);

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

   728                             unmatchedAnnotations.keySet());

   729             }

   730         }

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

   733         psi.runContributingProcs(renv);

   735         // Debugging

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

   737             filer.displayState();

   738     }

   740     /**

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

   742      * Leave class public for external testing purposes.

   743      */

   744     public static class ComputeAnnotationSet extends

   745         ElementScanner7<Set<TypeElement>, Set<TypeElement>> {

   746         final Elements elements;

   748         public ComputeAnnotationSet(Elements elements) {

   749             super();

   750             this.elements = elements;

   751         }

   753         @Override

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

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

   756             return p;

   757         }

   759         @Override

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

   761             for (AnnotationMirror annotationMirror :

   762                      elements.getAllAnnotationMirrors(e) ) {

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

   764                 p.add((TypeElement) e2);

   765             }

   766             return super.scan(e, p);

   767         }

   768     }

   770     private boolean callProcessor(Processor proc,

   771                                          Set<? extends TypeElement> tes,

   772                                          RoundEnvironment renv) {

   773         try {

   774             return proc.process(tes, renv);

   775         } catch (CompletionFailure ex) {

   776             StringWriter out = new StringWriter();

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

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

   779             return false;

   780         } catch (Throwable t) {

   781             throw new AnnotationProcessingError(t);

   782         }

   783     }

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

   787     // processing error

   788     public JavaCompiler doProcessing(Context context,

   789                                      List<JCCompilationUnit> roots,

   790                                      List<ClassSymbol> classSymbols,

   791                                      Iterable<? extends PackageSymbol> pckSymbols)

   792         throws IOException {

   794         log = Log.instance(context);

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

   797         JavaCompiler compiler = JavaCompiler.instance(context);

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

   800         int round = 0;

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

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

   805         for (ClassSymbol classSym : classSymbols)

   806             topLevelClasses = topLevelClasses.prepend(classSym);

   807         List<PackageSymbol> packageInfoFiles =

   808             getPackageInfoFiles(roots);

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

   811         for (PackageSymbol psym : pckSymbols)

   812             specifiedPackages.add(psym);

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

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

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

   817         ComputeAnnotationSet annotationComputer = new ComputeAnnotationSet(elementUtils);

   818         for (ClassSymbol classSym : topLevelClasses)

   819             annotationComputer.scan(classSym, annotationsPresent);

   820         for (PackageSymbol pkgSym : packageInfoFiles)

   821             annotationComputer.scan(pkgSym, annotationsPresent);

   823         Context currentContext = context;

   825         int roundNumber = 0;

   826         boolean errorStatus = false;

   828         runAround:

   829         while(true) {

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

   831                 errorStatus = true;

   832                 break runAround;

   833             }

   835             this.context = currentContext;

   836             roundNumber++;

   837             printRoundInfo(roundNumber, topLevelClasses, annotationsPresent, false);

   839             if (taskListener != null)

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

   842             try {

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

   844             } finally {

   845                 if (taskListener != null)

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

   847             }

   849             /*

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

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

   852              * annotation processors and then checking for syntax

   853              * errors on any generated source files.

   854              */

   855             if (messager.errorRaised()) {

   856                 errorStatus = true;

   857                 break runAround;

   858             } else {

   859                 if (moreToDo()) {

   860                     // annotationsPresentInSource = List.nil();

   861                     annotationsPresent = new LinkedHashSet<TypeElement>();

   862                     topLevelClasses  = List.nil();

   863                     packageInfoFiles = List.nil();

   865                     compiler.close(false);

   866                     currentContext = contextForNextRound(currentContext, true);

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

   870                     compiler = JavaCompiler.instance(currentContext);

   871                     List<JCCompilationUnit> parsedFiles = sourcesToParsedFiles(compiler);

   872                     roots = cleanTrees(roots).appendList(parsedFiles);

   874                     // Check for errors after parsing

   875                     if (log.unrecoverableError) {

   876                         errorStatus = true;

   877                         break runAround;

   878                     } else {

   879                         List<ClassSymbol> newClasses = enterNewClassFiles(currentContext);

   880                         compiler.enterTrees(roots);

   882                         // annotationsPresentInSource =

   883                         // collector.findAnnotations(parsedFiles);

   884                         ListBuffer<ClassSymbol> tlc = new ListBuffer<ClassSymbol>();

   885                         tlc.appendList(getTopLevelClasses(parsedFiles));

   886                         tlc.appendList(getTopLevelClassesFromClasses(newClasses));

   887                         topLevelClasses  = tlc.toList();

   889                         ListBuffer<PackageSymbol> pif = new ListBuffer<PackageSymbol>();

   890                         pif.appendList(getPackageInfoFiles(parsedFiles));

   891                         pif.appendList(getPackageInfoFilesFromClasses(newClasses));

   892                         packageInfoFiles = pif.toList();

   894                         annotationsPresent = new LinkedHashSet<TypeElement>();

   895                         for (ClassSymbol classSym : topLevelClasses)

   896                             annotationComputer.scan(classSym, annotationsPresent);

   897                         for (PackageSymbol pkgSym : packageInfoFiles)

   898                             annotationComputer.scan(pkgSym, annotationsPresent);

   900                         updateProcessingState(currentContext, false);

   901                     }

   902                 } else

   903                     break runAround; // No new files

   904             }

   905         }

   906         roots = runLastRound(roundNumber, errorStatus, compiler, roots, taskListener);

   907         // Set error status for any files compiled and generated in

   908         // the last round

   909         if (log.unrecoverableError)

   910             errorStatus = true;

   912         compiler.close(false);

   913         currentContext = contextForNextRound(currentContext, true);

   914         compiler = JavaCompiler.instance(currentContext);

   916         filer.newRound(currentContext, true);

   917         filer.warnIfUnclosedFiles();

   918         warnIfUnmatchedOptions();

   920        /*

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

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

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

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

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

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

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

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

   929         * of the last round.

   930         */

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

   934         // Free resources

   935         this.close();

   937         if (taskListener != null)

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

   940         if (errorStatus) {

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

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

   943                 compiler.log.nerrors++;

   944         } else if (procOnly && !foundTypeProcessors) {

   945             compiler.todo.clear();

   946         } else { // Final compilation

   947             compiler.close(false);

   948             currentContext = contextForNextRound(currentContext, true);

   949             this.context = currentContext;

   950             updateProcessingState(currentContext, true);

   951             compiler = JavaCompiler.instance(currentContext);

   952             if (procOnly && foundTypeProcessors)

   953                 compiler.shouldStopPolicy = CompileState.FLOW;

   955             if (true) {

   956                 compiler.enterTrees(cleanTrees(roots));

   957             } else {

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

   959                 for (JCCompilationUnit unit : roots)

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

   961                 roots = null;

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

   963             }

   964         }

   966         return compiler;

   967     }

   969     private List<JCCompilationUnit> sourcesToParsedFiles(JavaCompiler compiler)

   970         throws IOException {

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

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

   973             fileObjects = fileObjects.prepend(jfo);

   974         }

   976        return compiler.parseFiles(fileObjects);

   977     }

   979     // Call the last round of annotation processing

   980     private List<JCCompilationUnit> runLastRound(int roundNumber,

   981                                                  boolean errorStatus,

   982                                                  JavaCompiler compiler,

   983                                                  List<JCCompilationUnit> roots,

   984                               TaskListener taskListener) throws IOException {

   985         roundNumber++;

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

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

   988         printRoundInfo(roundNumber, noTopLevelClasses, noAnnotations, true);

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

   991         RoundEnvironment renv = new JavacRoundEnvironment(true,

   992                                                           errorStatus,

   993                                                           emptyRootElements,

   994                                                           JavacProcessingEnvironment.this);

   995         if (taskListener != null)

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

   998         try {

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

  1000         } finally {

  1001             if (taskListener != null)

  1002                 taskListener.finished(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND));

  1003         }

  1005         // Add any sources generated during the last round to the set

  1006         // of files to be compiled.

  1007         if (moreToDo()) {

  1008             List<JCCompilationUnit> parsedFiles = sourcesToParsedFiles(compiler);

  1009             roots = cleanTrees(roots).appendList(parsedFiles);

  1010         }

  1012         return roots;

  1013     }

  1015     private void updateProcessingState(Context currentContext, boolean lastRound) {

  1016         filer.newRound(currentContext, lastRound);

  1017         messager.newRound(currentContext);

  1019         elementUtils.setContext(currentContext);

  1020         typeUtils.setContext(currentContext);

  1021     }

  1023     private void warnIfUnmatchedOptions() {

  1024         if (!unmatchedProcessorOptions.isEmpty()) {

  1025             log.warning("proc.unmatched.processor.options", unmatchedProcessorOptions.toString());

  1026         }

  1027     }

  1029     private void printRoundInfo(int roundNumber,

  1030                                 List<ClassSymbol> topLevelClasses,

  1031                                 Set<TypeElement> annotationsPresent,

  1032                                 boolean lastRound) {

  1033         if (printRounds || verbose) {

  1034             log.printNoteLines("x.print.rounds",

  1035                     roundNumber,

  1036                     "{" + topLevelClasses.toString(", ") + "}",

  1037                     annotationsPresent,

  1038                     lastRound);

  1039         }

  1040     }

  1042     private List<ClassSymbol> enterNewClassFiles(Context currentContext) {

  1043         ClassReader reader = ClassReader.instance(currentContext);

  1044         Names names = Names.instance(currentContext);

  1045         List<ClassSymbol> list = List.nil();

  1047         for (Map.Entry<String,JavaFileObject> entry : filer.getGeneratedClasses().entrySet()) {

  1048             Name name = names.fromString(entry.getKey());

  1049             JavaFileObject file = entry.getValue();

  1050             if (file.getKind() != JavaFileObject.Kind.CLASS)

  1051                 throw new AssertionError(file);

  1052             ClassSymbol cs;

  1053             if (isPkgInfo(file, JavaFileObject.Kind.CLASS)) {

  1054                 Name packageName = Convert.packagePart(name);

  1055                 PackageSymbol p = reader.enterPackage(packageName);

  1056                 if (p.package_info == null)

  1057                     p.package_info = reader.enterClass(Convert.shortName(name), p);

  1058                 cs = p.package_info;

  1059                 if (cs.classfile == null)

  1060                     cs.classfile = file;

  1061             } else

  1062                 cs = reader.enterClass(name, file);

  1063             list = list.prepend(cs);

  1064         }

  1065         return list.reverse();

  1066     }

  1068     /**

  1069      * Free resources related to annotation processing.

  1070      */

  1071     public void close() throws IOException {

  1072         filer.close();

  1073         if (discoveredProcs != null) // Make calling close idempotent

  1074             discoveredProcs.close();

  1075         discoveredProcs = null;

  1076         if (processorClassLoader != null && processorClassLoader instanceof Closeable)

  1077             ((Closeable) processorClassLoader).close();

  1078     }

  1080     private List<ClassSymbol> getTopLevelClasses(List<? extends JCCompilationUnit> units) {

  1081         List<ClassSymbol> classes = List.nil();

  1082         for (JCCompilationUnit unit : units) {

  1083             for (JCTree node : unit.defs) {

  1084                 if (node.getTag() == JCTree.CLASSDEF) {

  1085                     classes = classes.prepend(((JCClassDecl) node).sym);

  1086                 }

  1087             }

  1088         }

  1089         return classes.reverse();

  1090     }

  1092     private List<ClassSymbol> getTopLevelClassesFromClasses(List<? extends ClassSymbol> syms) {

  1093         List<ClassSymbol> classes = List.nil();

  1094         for (ClassSymbol sym : syms) {

  1095             if (!isPkgInfo(sym)) {

  1096                 classes = classes.prepend(sym);

  1097             }

  1098         }

  1099         return classes.reverse();

  1100     }

  1102     private List<PackageSymbol> getPackageInfoFiles(List<? extends JCCompilationUnit> units) {

  1103         List<PackageSymbol> packages = List.nil();

  1104         for (JCCompilationUnit unit : units) {

  1105             if (isPkgInfo(unit.sourcefile, JavaFileObject.Kind.SOURCE)) {

  1106                 packages = packages.prepend(unit.packge);

  1107             }

  1108         }

  1109         return packages.reverse();

  1110     }

  1112     private List<PackageSymbol> getPackageInfoFilesFromClasses(List<? extends ClassSymbol> syms) {

  1113         List<PackageSymbol> packages = List.nil();

  1114         for (ClassSymbol sym : syms) {

  1115             if (isPkgInfo(sym)) {

  1116                 packages = packages.prepend((PackageSymbol) sym.owner);

  1117             }

  1118         }

  1119         return packages.reverse();

  1120     }

  1122     private boolean isPkgInfo(JavaFileObject fo, JavaFileObject.Kind kind) {

  1123         return fo.isNameCompatible("package-info", kind);

  1124     }

  1126     private boolean isPkgInfo(ClassSymbol sym) {

  1127         return isPkgInfo(sym.classfile, JavaFileObject.Kind.CLASS) && (sym.packge().package_info == sym);

  1128     }

  1130     private Context contextForNextRound(Context context, boolean shareNames)

  1131         throws IOException

  1132     {

  1133         Context next = new Context();

  1135         Options options = Options.instance(context);

  1136         assert options != null;

  1137         next.put(Options.optionsKey, options);

  1139         PrintWriter out = context.get(Log.outKey);

  1140         assert out != null;

  1141         next.put(Log.outKey, out);

  1143         if (shareNames) {

  1144             Names names = Names.instance(context);

  1145             assert names != null;

  1146             next.put(Names.namesKey, names);

  1147         }

  1149         DiagnosticListener<?> dl = context.get(DiagnosticListener.class);

  1150         if (dl != null)

  1151             next.put(DiagnosticListener.class, dl);

  1153         TaskListener tl = context.get(TaskListener.class);

  1154         if (tl != null)

  1155             next.put(TaskListener.class, tl);

  1157         JavaFileManager jfm = context.get(JavaFileManager.class);

  1158         assert jfm != null;

  1159         next.put(JavaFileManager.class, jfm);

  1160         if (jfm instanceof JavacFileManager) {

  1161             ((JavacFileManager)jfm).setContext(next);

  1162         }

  1164         Names names = Names.instance(context);

  1165         assert names != null;

  1166         next.put(Names.namesKey, names);

  1168         Keywords keywords = Keywords.instance(context);

  1169         assert(keywords != null);

  1170         next.put(Keywords.keywordsKey, keywords);

  1172         JavaCompiler oldCompiler = JavaCompiler.instance(context);

  1173         JavaCompiler nextCompiler = JavaCompiler.instance(next);

  1174         nextCompiler.initRound(oldCompiler);

  1176         JavacTaskImpl task = context.get(JavacTaskImpl.class);

  1177         if (task != null) {

  1178             next.put(JavacTaskImpl.class, task);

  1179             task.updateContext(next);

  1180         }

  1182         context.clear();

  1183         return next;

  1184     }

  1186     /*

  1187      * Called retroactively to determine if a class loader was required,

  1188      * after we have failed to create one.

  1189      */

  1190     private boolean needClassLoader(String procNames, Iterable<? extends File> workingpath) {

  1191         if (procNames != null)

  1192             return true;

  1194         String procPath;

  1195         URL[] urls = new URL[1];

  1196         for(File pathElement : workingpath) {

  1197             try {

  1198                 urls[0] = pathElement.toURI().toURL();

  1199                 if (ServiceProxy.hasService(Processor.class, urls))

  1200                     return true;

  1201             } catch (MalformedURLException ex) {

  1202                 throw new AssertionError(ex);

  1203             }

  1204             catch (ServiceProxy.ServiceConfigurationError e) {

  1205                 log.error("proc.bad.config.file", e.getLocalizedMessage());

  1206                 return true;

  1207             }

  1208         }

  1210         return false;

  1211     }

  1213     private static <T extends JCTree> List<T> cleanTrees(List<T> nodes) {

  1214         for (T node : nodes)

  1215             treeCleaner.scan(node);

  1216         return nodes;

  1217     }

  1219     private static TreeScanner treeCleaner = new TreeScanner() {

  1220             public void scan(JCTree node) {

  1221                 super.scan(node);

  1222                 if (node != null)

  1223                     node.type = null;

  1224             }

  1225             public void visitTopLevel(JCCompilationUnit node) {

  1226                 node.packge = null;

  1227                 super.visitTopLevel(node);

  1228             }

  1229             public void visitClassDef(JCClassDecl node) {

  1230                 node.sym = null;

  1231                 super.visitClassDef(node);

  1232             }

  1233             public void visitMethodDef(JCMethodDecl node) {

  1234                 node.sym = null;

  1235                 super.visitMethodDef(node);

  1236             }

  1237             public void visitVarDef(JCVariableDecl node) {

  1238                 node.sym = null;

  1239                 super.visitVarDef(node);

  1240             }

  1241             public void visitNewClass(JCNewClass node) {

  1242                 node.constructor = null;

  1243                 super.visitNewClass(node);

  1244             }

  1245             public void visitAssignop(JCAssignOp node) {

  1246                 node.operator = null;

  1247                 super.visitAssignop(node);

  1248             }

  1249             public void visitUnary(JCUnary node) {

  1250                 node.operator = null;

  1251                 super.visitUnary(node);

  1252             }

  1253             public void visitBinary(JCBinary node) {

  1254                 node.operator = null;

  1255                 super.visitBinary(node);

  1256             }

  1257             public void visitSelect(JCFieldAccess node) {

  1258                 node.sym = null;

  1259                 super.visitSelect(node);

  1260             }

  1261             public void visitIdent(JCIdent node) {

  1262                 node.sym = null;

  1263                 super.visitIdent(node);

  1264             }

  1265         };

  1268     private boolean moreToDo() {

  1269         return filer.newFiles();

  1270     }

  1272     /**

  1273      * {@inheritdoc}

  1274      *

  1275      * Command line options suitable for presenting to annotation

  1276      * processors.  "-Afoo=bar" should be "-Afoo" => "bar".

  1277      */

  1278     public Map<String,String> getOptions() {

  1279         return processorOptions;

  1280     }

  1282     public Messager getMessager() {

  1283         return messager;

  1284     }

  1286     public Filer getFiler() {

  1287         return filer;

  1288     }

  1290     public JavacElements getElementUtils() {

  1291         return elementUtils;

  1292     }

  1294     public JavacTypes getTypeUtils() {

  1295         return typeUtils;

  1296     }

  1298     public SourceVersion getSourceVersion() {

  1299         return Source.toSourceVersion(source);

  1300     }

  1302     public Locale getLocale() {

  1303         return messages.getCurrentLocale();

  1304     }

  1306     public Set<Symbol.PackageSymbol> getSpecifiedPackages() {

  1307         return specifiedPackages;

  1308     }

  1310     private static final Pattern allMatches = Pattern.compile(".*");

  1311     public static final Pattern noMatches  = Pattern.compile("(\\P{all})+");

  1313     /**

  1314      * Convert import-style string for supported annotations into a

  1315      * regex matching that string.  If the string is a valid

  1316      * import-style string, return a regex that won't match anything.

  1317      */

  1318     private static Pattern importStringToPattern(String s, Processor p, Log log) {

  1319         if (isValidImportString(s)) {

  1320             return validImportStringToPattern(s);

  1321         } else {

  1322             log.warning("proc.malformed.supported.string", s, p.getClass().getName());

  1323             return noMatches; // won't match any valid identifier

  1324         }

  1325     }

  1327     /**

  1328      * Return true if the argument string is a valid import-style

  1329      * string specifying claimed annotations; return false otherwise.

  1330      */

  1331     public static boolean isValidImportString(String s) {

  1332         if (s.equals("*"))

  1333             return true;

  1335         boolean valid = true;

  1336         String t = s;

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

  1339         if (index != -1) {

  1340             // '*' must be last character...

  1341             if (index == t.length() -1) {

  1342                 // ... any and preceding character must be '.'

  1343                 if ( index-1 >= 0 ) {

  1344                     valid = t.charAt(index-1) == '.';

  1345                     // Strip off ".*$" for identifier checks

  1346                     t = t.substring(0, t.length()-2);

  1347                 }

  1348             } else

  1349                 return false;

  1350         }

  1352         // Verify string is off the form (javaId \.)+ or javaId

  1353         if (valid) {

  1354             String[] javaIds = t.split("\\.", t.length()+2);

  1355             for(String javaId: javaIds)

  1356                 valid &= SourceVersion.isIdentifier(javaId);

  1357         }

  1358         return valid;

  1359     }

  1361     public static Pattern validImportStringToPattern(String s) {

  1362         if (s.equals("*")) {

  1363             return allMatches;

  1364         } else {

  1365             String s_prime = s.replace(".", "\\.");

  1367             if (s_prime.endsWith("*")) {

  1368                 s_prime =  s_prime.substring(0, s_prime.length() - 1) + ".+";

  1369             }

  1371             return Pattern.compile(s_prime);

  1372         }

  1373     }

  1375     /**

  1376      * For internal use only.  This method will be

  1377      * removed without warning.

  1378      */

  1379     public Context getContext() {

  1380         return context;

  1381     }

  1383     public String toString() {

  1384         return "javac ProcessingEnvironment";

  1385     }

  1387     public static boolean isValidOptionName(String optionName) {

  1388         for(String s : optionName.split("\\.", -1)) {

  1389             if (!SourceVersion.isIdentifier(s))

  1390                 return false;

  1391         }

  1392         return true;

  1393     }

  1394 }

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

src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java@a5454419dd46

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