private static Map<String, String> buildClassToSourceMap(
     ModuleChunk chunk,
     CompileContext context,
     Set<String> toCompilePaths,
     Map<ModuleBuildTarget, String> finalOutputs)
     throws IOException {
   final Map<String, String> class2Src = new HashMap<String, String>();
   JpsJavaCompilerConfiguration configuration =
       JpsJavaExtensionService.getInstance()
           .getOrCreateCompilerConfiguration(context.getProjectDescriptor().getProject());
   for (ModuleBuildTarget target : chunk.getTargets()) {
     String moduleOutputPath = finalOutputs.get(target);
     final SourceToOutputMapping srcToOut =
         context.getProjectDescriptor().dataManager.getSourceToOutputMap(target);
     for (String src : srcToOut.getSources()) {
       if (!toCompilePaths.contains(src)
           && isGroovyFile(src)
           && !configuration.getCompilerExcludes().isExcluded(new File(src))) {
         final Collection<String> outs = srcToOut.getOutputs(src);
         if (outs != null) {
           for (String out : outs) {
             if (out.endsWith(".class") && out.startsWith(moduleOutputPath)) {
               final String className =
                   out.substring(moduleOutputPath.length(), out.length() - ".class".length())
                       .replace('/', '.');
               class2Src.put(className, src);
             }
           }
         }
       }
     }
   }
   return class2Src;
 }
  private static String ensureCorrectOutput(
      ModuleChunk chunk,
      GroovycOutputParser.OutputItem item,
      Map<ModuleBuildTarget, String> generationOutputs,
      String compilerOutput,
      @NotNull ModuleBuildTarget srcTarget)
      throws IOException {
    if (chunk.getModules().size() > 1 && !srcTarget.equals(chunk.representativeTarget())) {
      File output = new File(item.outputPath);

      String srcTargetOutput = generationOutputs.get(srcTarget);
      if (srcTargetOutput == null) {
        LOG.info(
            "No output for "
                + srcTarget
                + "; outputs="
                + generationOutputs
                + "; targets = "
                + chunk.getTargets());
        return item.outputPath;
      }

      // todo honor package prefixes
      File correctRoot = new File(srcTargetOutput);
      File correctOutput =
          new File(correctRoot, FileUtil.getRelativePath(new File(compilerOutput), output));

      FileUtil.rename(output, correctOutput);
      return correctOutput.getPath();
    }
    return item.outputPath;
  }
 private static void addStubRootsToJavacSourcePath(
     CompileContext context, Map<ModuleBuildTarget, String> generationOutputs) {
   final BuildRootIndex rootsIndex = context.getProjectDescriptor().getBuildRootIndex();
   for (ModuleBuildTarget target : generationOutputs.keySet()) {
     File root = new File(generationOutputs.get(target));
     rootsIndex.associateTempRoot(
         context,
         target,
         new JavaSourceRootDescriptor(root, target, true, true, "", Collections.<File>emptySet()));
   }
 }
 public void process(CompileContext context, OutputFileObject out) {
   Map<String, String> stubToSrc = STUB_TO_SRC.get(context);
   if (stubToSrc == null) {
     return;
   }
   File src = out.getSourceFile();
   if (src == null) {
     return;
   }
   String groovy = stubToSrc.get(FileUtil.toSystemIndependentName(src.getPath()));
   if (groovy == null) {
     return;
   }
   try {
     final File groovyFile = new File(groovy);
     if (!FSOperations.isMarkedDirty(context, CompilationRound.CURRENT, groovyFile)) {
       FSOperations.markDirty(context, CompilationRound.NEXT, groovyFile);
       FILES_MARKED_DIRTY_FOR_NEXT_ROUND.set(context, Boolean.TRUE);
     }
   } catch (IOException e) {
     LOG.error(e);
   }
 }
  public ModuleLevelBuilder.ExitCode build(
      final CompileContext context,
      final ModuleChunk chunk,
      DirtyFilesHolder<JavaSourceRootDescriptor, ModuleBuildTarget> dirtyFilesHolder,
      OutputConsumer outputConsumer)
      throws ProjectBuildException {
    if (GreclipseBuilder.useGreclipse(context)) return ExitCode.NOTHING_DONE;

    long start = 0;
    try {
      JpsGroovySettings settings =
          JpsGroovySettings.getSettings(context.getProjectDescriptor().getProject());

      Ref<Boolean> hasStubExcludes = Ref.create(false);
      final List<File> toCompile =
          collectChangedFiles(context, dirtyFilesHolder, myForStubs, false, hasStubExcludes);
      if (toCompile.isEmpty()) {
        return hasFilesToCompileForNextRound(context)
            ? ExitCode.ADDITIONAL_PASS_REQUIRED
            : ExitCode.NOTHING_DONE;
      }
      if (Utils.IS_TEST_MODE || LOG.isDebugEnabled()) {
        LOG.info("forStubs=" + myForStubs);
      }

      Map<ModuleBuildTarget, String> finalOutputs = getCanonicalModuleOutputs(context, chunk, this);
      if (finalOutputs == null) {
        return ExitCode.ABORT;
      }

      start = System.currentTimeMillis();

      Map<ModuleBuildTarget, String> generationOutputs =
          myForStubs ? getStubGenerationOutputs(chunk, context) : finalOutputs;
      String compilerOutput = generationOutputs.get(chunk.representativeTarget());

      GroovycOutputParser parser =
          runGroovycOrContinuation(
              context,
              chunk,
              settings,
              finalOutputs,
              compilerOutput,
              toCompile,
              hasStubExcludes.get());

      Map<ModuleBuildTarget, Collection<GroovycOutputParser.OutputItem>> compiled =
          processCompiledFiles(
              context, chunk, generationOutputs, compilerOutput, parser.getSuccessfullyCompiled());

      if (checkChunkRebuildNeeded(context, parser)) {
        clearContinuation(context, chunk);
        return ExitCode.CHUNK_REBUILD_REQUIRED;
      }

      if (myForStubs) {
        addStubRootsToJavacSourcePath(context, generationOutputs);
        rememberStubSources(context, compiled);
      }

      for (CompilerMessage message : parser.getCompilerMessages()) {
        context.processMessage(message);
      }

      if (!myForStubs) {
        updateDependencies(context, toCompile, compiled, outputConsumer, this);
      }
      return hasFilesToCompileForNextRound(context)
          ? ExitCode.ADDITIONAL_PASS_REQUIRED
          : ExitCode.OK;
    } catch (Exception e) {
      throw new ProjectBuildException(e);
    } finally {
      if (start > 0 && LOG.isDebugEnabled()) {
        LOG.debug(
            myBuilderName
                + " took "
                + (System.currentTimeMillis() - start)
                + " on "
                + chunk.getName());
      }
      if (!myForStubs) {
        FILES_MARKED_DIRTY_FOR_NEXT_ROUND.set(context, null);
      }
    }
  }
  @Override
  public ExitCode build(
      final CompileContext context,
      ModuleChunk chunk,
      DirtyFilesHolder<JavaSourceRootDescriptor, ModuleBuildTarget> dirtyFilesHolder,
      OutputConsumer outputConsumer)
      throws ProjectBuildException, IOException {
    if (!useGreclipse(context)) return ModuleLevelBuilder.ExitCode.NOTHING_DONE;

    try {
      final List<File> toCompile =
          GroovyBuilder.collectChangedFiles(
              context, dirtyFilesHolder, false, true, Ref.create(false));
      if (toCompile.isEmpty()) {
        return ExitCode.NOTHING_DONE;
      }

      Map<ModuleBuildTarget, String> outputDirs =
          GroovyBuilder.getCanonicalModuleOutputs(context, chunk, this);
      if (outputDirs == null) {
        return ExitCode.ABORT;
      }

      JpsProject project = context.getProjectDescriptor().getProject();
      GreclipseSettings greclipseSettings = GreclipseJpsCompilerSettings.getSettings(project);
      if (greclipseSettings == null) {
        String message = "Compiler settings component not initialized for " + project;
        LOG.error(message);
        context.processMessage(
            new CompilerMessage(getPresentableName(), BuildMessage.Kind.ERROR, message));
        return ExitCode.ABORT;
      }

      ClassLoader loader = createGreclipseLoader(greclipseSettings.greclipsePath);
      if (loader == null) {
        context.processMessage(
            new CompilerMessage(
                getPresentableName(),
                BuildMessage.Kind.ERROR,
                "Invalid jar path in the compiler settings: '"
                    + greclipseSettings.greclipsePath
                    + "'"));
        return ExitCode.ABORT;
      }

      final JpsJavaExtensionService javaExt = JpsJavaExtensionService.getInstance();
      final JpsJavaCompilerConfiguration compilerConfig = javaExt.getCompilerConfiguration(project);
      assert compilerConfig != null;

      final Set<JpsModule> modules = chunk.getModules();
      ProcessorConfigProfile profile = null;
      if (modules.size() == 1) {
        profile = compilerConfig.getAnnotationProcessingProfile(modules.iterator().next());
      } else {
        String message = JavaBuilder.validateCycle(chunk, javaExt, compilerConfig, modules);
        if (message != null) {
          context.processMessage(
              new CompilerMessage(getPresentableName(), BuildMessage.Kind.ERROR, message));
          return ExitCode.ABORT;
        }
      }

      String mainOutputDir = outputDirs.get(chunk.representativeTarget());
      final List<String> args =
          createCommandLine(context, chunk, toCompile, mainOutputDir, profile, greclipseSettings);

      if (Utils.IS_TEST_MODE || LOG.isDebugEnabled()) {
        LOG.debug("Compiling with args: " + args);
      }

      Boolean notified = COMPILER_VERSION_INFO.get(context);
      if (notified != Boolean.TRUE) {
        context.processMessage(
            new CompilerMessage(
                "",
                BuildMessage.Kind.INFO,
                "Using Groovy-Eclipse to compile Java & Groovy sources"));
        COMPILER_VERSION_INFO.set(context, Boolean.TRUE);
      }

      context.processMessage(
          new ProgressMessage("Compiling java & groovy [" + chunk.getPresentableShortName() + "]"));

      StringWriter out = new StringWriter();
      StringWriter err = new StringWriter();
      HashMap<String, List<String>> outputMap = ContainerUtil.newHashMap();

      boolean success = performCompilation(args, out, err, outputMap, context, chunk);

      List<GroovycOutputParser.OutputItem> items = ContainerUtil.newArrayList();
      for (String src : outputMap.keySet()) {
        //noinspection ConstantConditions
        for (String classFile : outputMap.get(src)) {
          items.add(
              new GroovycOutputParser.OutputItem(
                  FileUtil.toSystemIndependentName(mainOutputDir + classFile),
                  FileUtil.toSystemIndependentName(src)));
        }
      }
      Map<ModuleBuildTarget, Collection<GroovycOutputParser.OutputItem>> successfullyCompiled =
          GroovyBuilder.processCompiledFiles(context, chunk, outputDirs, mainOutputDir, items);

      EclipseOutputParser parser = new EclipseOutputParser(getPresentableName(), chunk);
      List<CompilerMessage> messages =
          ContainerUtil.concat(
              parser.parseMessages(out.toString()), parser.parseMessages(err.toString()));
      boolean hasError = false;
      for (CompilerMessage message : messages) {
        if (message.getKind() == BuildMessage.Kind.ERROR) {
          hasError = true;
        }
        context.processMessage(message);
      }

      if (!success && !hasError) {
        context.processMessage(
            new CompilerMessage(
                getPresentableName(), BuildMessage.Kind.ERROR, "Compilation failed"));
      }

      GroovyBuilder.updateDependencies(
          context, toCompile, successfullyCompiled, outputConsumer, this);
      return ExitCode.OK;

    } catch (Exception e) {
      throw new ProjectBuildException(e);
    }
  }