Exemple #1
0
 void initClass(ClassDependency cls, CallLocation callLocation) {
   ClassReader reader = cls.getClassReader();
   MethodReader method = reader.getMethod(new MethodDescriptor("<clinit>", void.class));
   if (method != null) {
     tasks.add(() -> linkMethod(method.getReference(), callLocation).use());
   }
 }
Exemple #2
0
  public MethodDependency linkMethod(MethodReference methodRef, CallLocation callLocation) {
    if (methodRef == null) {
      throw new IllegalArgumentException();
    }
    MethodReader methodReader = methodReaderCache.map(methodRef);
    if (methodReader != null) {
      methodRef = methodReader.getReference();
    }

    if (completing && getMethod(methodRef) == null) {
      throw new IllegalStateException("Can't submit class during completion phase");
    }
    callGraph.getNode(methodRef);
    boolean added = true;
    if (callLocation != null && callLocation.getMethod() != null) {
      added =
          callGraph
              .getNode(callLocation.getMethod())
              .addCallSite(methodRef, callLocation.getSourceLocation());
    } else {
      added = methodsAddedByRoot.add(methodRef);
    }
    MethodDependency graph = methodCache.map(methodRef);
    if (!graph.isMissing() && added) {
      for (DependencyListener listener : listeners) {
        listener.methodReached(agent, graph, callLocation);
      }
      activateDependencyPlugin(graph, callLocation);
    }
    return graph;
  }
  @Override
  public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef)
      throws IOException {
    ClassReader cls = context.getClassSource().get(methodRef.getClassName());
    MethodReader method = cls.getMethod(methodRef.getDescriptor());
    AnnotationReader providerAnnot = method.getAnnotations().get(MetadataProvider.class.getName());

    AnnotationReader refAnnot = method.getAnnotations().get(MetadataProviderRef.class.getName());
    methodRef = MethodReference.parse(refAnnot.getValue("value").getString());

    // Find and instantiate metadata generator
    ValueType generatorType = providerAnnot.getValue("value").getJavaClass();
    String generatorClassName = ((ValueType.Object) generatorType).getClassName();
    Class<?> generatorClass;
    try {
      generatorClass = Class.forName(generatorClassName, true, context.getClassLoader());
    } catch (ClassNotFoundException e) {
      context
          .getDiagnostics()
          .error(
              new CallLocation(methodRef),
              "Can't find metadata provider class {{c0}}",
              generatorClassName);
      return;
    }
    Constructor<?> cons;
    try {
      cons = generatorClass.getConstructor();
    } catch (NoSuchMethodException e) {
      context
          .getDiagnostics()
          .error(
              new CallLocation(methodRef),
              "Metadata generator {{c0}} does not have " + "a public no-arg constructor",
              generatorClassName);
      return;
    }
    MetadataGenerator generator;
    try {
      generator = (MetadataGenerator) cons.newInstance();
    } catch (IllegalAccessException | InstantiationException | InvocationTargetException e) {
      context
          .getDiagnostics()
          .error(
              new CallLocation(methodRef),
              "Error instantiating metadata " + "generator {{c0}}",
              generatorClassName);
      return;
    }
    DefaultMetadataGeneratorContext metadataContext =
        new DefaultMetadataGeneratorContext(
            context.getClassSource(), context.getClassLoader(), context.getProperties(), context);

    // Generate resource loader
    Resource resource = generator.generateMetadata(metadataContext, methodRef);
    writer.append("return ");
    ResourceWriterHelper.write(writer, resource);
    writer.append(';').softNewLine();
  }
Exemple #4
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  public void allocateRegisters(MethodReader method, Program program) {
    insertJointArgumentsCopies(program);
    insertPhiArgumentsCopies(program);
    InterferenceGraphBuilder interferenceBuilder = new InterferenceGraphBuilder();
    LivenessAnalyzer liveness = new LivenessAnalyzer();
    liveness.analyze(program);
    List<MutableGraphNode> interferenceGraph =
        interferenceBuilder.build(program, method.parameterCount(), liveness);
    DisjointSet congruenceClasses = buildPhiCongruenceClasses(program);
    joinClassNodes(interferenceGraph, congruenceClasses);
    removeRedundantCopies(program, interferenceGraph, congruenceClasses);
    int[] classArray = congruenceClasses.pack(program.variableCount());
    renameVariables(program, classArray);
    int[] colors = new int[program.variableCount()];
    Arrays.fill(colors, -1);
    for (int i = 0; i <= method.parameterCount(); ++i) {
      colors[i] = i;
    }
    renameInterferenceGraph(interferenceGraph, congruenceClasses, classArray);
    GraphColorer colorer = new GraphColorer();

    int maxClass = 0;
    for (int cls : classArray) {
      maxClass = Math.max(maxClass, cls + 1);
    }
    int[] categories = getVariableCategories(program, method.getReference());
    int[] classCategories = new int[maxClass];
    for (int i = 0; i < categories.length; ++i) {
      classCategories[classArray[i]] = categories[i];
    }
    colorer.colorize(interferenceGraph, colors, classCategories);
    for (int i = 0; i < colors.length; ++i) {
      program.variableAt(i).setRegister(colors[i]);
    }

    for (int i = 0; i < program.basicBlockCount(); ++i) {
      program.basicBlockAt(i).getPhis().clear();
      program.basicBlockAt(i).getTryCatchJoints().clear();
    }
  }
 @Override
 public boolean acceptMethod(MethodReader method) {
   return method.getAnnotations().get(KOTest.class.getName()) != null;
 }
Exemple #6
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 @Override
 public MethodDependency getMethodImplementation(MethodReference methodRef) {
   MethodReader method = methodReaderCache.map(methodRef);
   return method != null ? methodCache.getKnown(method.getReference()) : null;
 }