示例#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());
   }
 }
  @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();
  }
示例#3
0
 private ClassDependency createClassDependency(String className) {
   ClassReader cls = classSource.get(className);
   ClassDependency dependency = new ClassDependency(this, className, cls);
   if (!dependency.isMissing()) {
     if (cls.getParent() != null && !cls.getParent().equals(className)) {
       linkClass(cls.getParent(), null);
     }
     for (String ifaceName : cls.getInterfaces()) {
       linkClass(ifaceName, null);
     }
   }
   return dependency;
 }
 private List<Instruction> transformInvoke(InvokeInstruction insn) {
   if (insn.getType() != InvocationType.VIRTUAL) {
     return null;
   }
   MethodReference method = insn.getMethod();
   if (method.getClassName().equals(ResourceArray.class.getName())
       || method.getClassName().equals(ResourceMap.class.getName())) {
     if (method.getName().equals("keys")) {
       return transformKeys(insn);
     }
     InvokeInstruction accessInsn = new InvokeInstruction();
     accessInsn.setType(InvocationType.SPECIAL);
     ValueType[] types = new ValueType[method.getDescriptor().parameterCount() + 2];
     types[0] = ValueType.object("java.lang.Object");
     System.arraycopy(
         method.getDescriptor().getSignature(),
         0,
         types,
         1,
         method.getDescriptor().parameterCount() + 1);
     accessInsn.setMethod(
         new MethodReference(ResourceAccessor.class.getName(), method.getName(), types));
     accessInsn.getArguments().add(insn.getInstance());
     accessInsn.getArguments().addAll(insn.getArguments());
     accessInsn.setReceiver(insn.getReceiver());
     return Arrays.asList(accessInsn);
   }
   ClassReader iface = innerSource.get(method.getClassName());
   if (iface == null
       || !innerSource.isSuperType(Resource.class.getName(), iface.getName()).orElse(false)) {
     return null;
   }
   if (method.getName().startsWith("get")) {
     if (method.getName().length() > 3) {
       return transformGetterInvocation(insn, getPropertyName(method.getName().substring(3)));
     }
   } else if (method.getName().startsWith("is")) {
     if (method.getName().length() > 2) {
       return transformGetterInvocation(insn, getPropertyName(method.getName().substring(2)));
     }
   } else if (method.getName().startsWith("set")) {
     if (method.getName().length() > 3) {
       return transformSetterInvocation(insn, getPropertyName(method.getName().substring(3)));
     }
   }
   return null;
 }
示例#5
0
 private boolean addClassAccess(
     DefaultCallGraphNode node, String className, InstructionLocation loc) {
   if (!node.addClassAccess(className, loc)) {
     return false;
   }
   ClassReader cls = classSource.get(className);
   if (cls != null) {
     if (cls.getParent() != null && !cls.getParent().equals(cls.getName())) {
       addClassAccess(node, cls.getParent(), loc);
     }
     for (String iface : cls.getInterfaces()) {
       addClassAccess(node, iface, loc);
     }
   }
   return true;
 }