Ejemplo n.º 1
0
  private JetDecompiledData build() {
    myBuilder.append(PsiBundle.message("psi.decompiled.text.header"));
    myBuilder.append("\n\n");

    String packageName = myClsFile.getPackageName();
    if (packageName.length() > 0) {
      myBuilder.append("package ").append(packageName).append("\n\n");
    }

    PsiClass psiClass = myClsFile.getClasses()[0];

    if (isKotlinNamespaceClass(psiClass)) {
      NamespaceDescriptor nd =
          myJavaDescriptorResolver.resolveNamespace(
              new FqName(packageName), DescriptorSearchRule.INCLUDE_KOTLIN);

      if (nd != null) {
        for (DeclarationDescriptor member :
            sortDeclarations(nd.getMemberScope().getAllDescriptors())) {
          if (member instanceof ClassDescriptor || member instanceof NamespaceDescriptor) {
            continue;
          }
          appendDescriptor(member, "");
          myBuilder.append("\n");
        }
      }
    } else {
      ClassDescriptor cd =
          myJavaDescriptorResolver.resolveClass(psiClass, DescriptorSearchRule.INCLUDE_KOTLIN);
      if (cd != null) {
        appendDescriptor(cd, "");
      }
    }

    JetFile jetFile =
        JetDummyClassFileViewProvider.createJetFile(
            myClsFile.getManager(), myClsFile.getVirtualFile(), myBuilder.toString());
    for (Map.Entry<PsiElement, TextRange> clsMemberToRange : myClsMembersToRanges.entrySet()) {
      PsiElement clsMember = clsMemberToRange.getKey();
      assert clsMember instanceof ClsElementImpl;

      TextRange range = clsMemberToRange.getValue();
      JetDeclaration jetDeclaration =
          PsiTreeUtil.findElementOfClassAtRange(
              jetFile, range.getStartOffset(), range.getEndOffset(), JetDeclaration.class);
      assert jetDeclaration != null;
      myClsElementsToJetElements.put((ClsElementImpl) clsMember, jetDeclaration);
    }

    return new JetDecompiledData(jetFile, myClsElementsToJetElements);
  }
Ejemplo n.º 2
0
/**
 * @author Evgeny Gerashchenko
 * @since 3/11/12
 */
class DecompiledDataFactory {
  private static final String JET_CLASS = JetClass.class.getName();
  private static final String JET_METHOD = JetMethod.class.getName();
  private static final String DECOMPILED_COMMENT =
      "/* " + PsiBundle.message("psi.decompiled.method.body") + " */";

  private StringBuilder myBuilder = new StringBuilder();
  private ClsFileImpl myClsFile;
  private BindingContext myBindingContext;
  private final Map<PsiElement, TextRange> myClsMembersToRanges =
      new HashMap<PsiElement, TextRange>();

  private Map<ClsElementImpl, JetDeclaration> myClsElementsToJetElements =
      new HashMap<ClsElementImpl, JetDeclaration>();
  private JavaDescriptorResolver myJavaDescriptorResolver;

  private DecompiledDataFactory(ClsFileImpl clsFile) {
    myClsFile = clsFile;
    Project project = myClsFile.getProject();
    JavaSemanticServices jss = new JavaSemanticServices(project, new BindingTraceContext());
    myBindingContext = jss.getTrace().getBindingContext();
    myJavaDescriptorResolver = jss.getDescriptorResolver();
  }

  @NotNull
  static JetDecompiledData createDecompiledData(@NotNull ClsFileImpl clsFile) {
    return new DecompiledDataFactory(clsFile).build();
  }

  private JetDecompiledData build() {
    myBuilder.append(PsiBundle.message("psi.decompiled.text.header"));
    myBuilder.append("\n\n");

    String packageName = myClsFile.getPackageName();
    if (packageName.length() > 0) {
      myBuilder.append("package ").append(packageName).append("\n\n");
    }

    PsiClass psiClass = myClsFile.getClasses()[0];

    if (isKotlinNamespaceClass(psiClass)) {
      NamespaceDescriptor nd =
          myJavaDescriptorResolver.resolveNamespace(
              new FqName(packageName), DescriptorSearchRule.INCLUDE_KOTLIN);

      if (nd != null) {
        for (DeclarationDescriptor member :
            sortDeclarations(nd.getMemberScope().getAllDescriptors())) {
          if (member instanceof ClassDescriptor || member instanceof NamespaceDescriptor) {
            continue;
          }
          appendDescriptor(member, "");
          myBuilder.append("\n");
        }
      }
    } else {
      ClassDescriptor cd =
          myJavaDescriptorResolver.resolveClass(psiClass, DescriptorSearchRule.INCLUDE_KOTLIN);
      if (cd != null) {
        appendDescriptor(cd, "");
      }
    }

    JetFile jetFile =
        JetDummyClassFileViewProvider.createJetFile(
            myClsFile.getManager(), myClsFile.getVirtualFile(), myBuilder.toString());
    for (Map.Entry<PsiElement, TextRange> clsMemberToRange : myClsMembersToRanges.entrySet()) {
      PsiElement clsMember = clsMemberToRange.getKey();
      assert clsMember instanceof ClsElementImpl;

      TextRange range = clsMemberToRange.getValue();
      JetDeclaration jetDeclaration =
          PsiTreeUtil.findElementOfClassAtRange(
              jetFile, range.getStartOffset(), range.getEndOffset(), JetDeclaration.class);
      assert jetDeclaration != null;
      myClsElementsToJetElements.put((ClsElementImpl) clsMember, jetDeclaration);
    }

    return new JetDecompiledData(jetFile, myClsElementsToJetElements);
  }

  private List<DeclarationDescriptor> sortDeclarations(Collection<DeclarationDescriptor> input) {
    ArrayList<DeclarationDescriptor> r = new ArrayList<DeclarationDescriptor>(input);
    Collections.sort(
        r,
        new Comparator<DeclarationDescriptor>() {
          @Override
          public int compare(DeclarationDescriptor o1, DeclarationDescriptor o2) {
            return o1.getName().compareTo(o2.getName());
          }
        });
    return r;
  }

  private void appendDescriptor(DeclarationDescriptor descriptor, String indent) {
    int startOffset = myBuilder.length();
    myBuilder.append(DescriptorRenderer.COMPACT.render(descriptor));
    int endOffset = myBuilder.length();

    if (descriptor instanceof FunctionDescriptor || descriptor instanceof PropertyDescriptor) {
      if (((CallableMemberDescriptor) descriptor).getModality() != Modality.ABSTRACT) {
        if (descriptor instanceof FunctionDescriptor) {
          myBuilder.append(" { ").append(DECOMPILED_COMMENT).append(" }");
          endOffset = myBuilder.length();
        } else { // descriptor instanceof PropertyDescriptor
          if (((PropertyDescriptor) descriptor).getModality() != Modality.ABSTRACT) {
            myBuilder.append(" ").append(DECOMPILED_COMMENT);
          }
        }
      }
    } else if (descriptor instanceof ClassDescriptor) {
      myBuilder.append(" {\n");
      ClassDescriptor classDescriptor = (ClassDescriptor) descriptor;
      boolean firstPassed = false;
      String subindent = indent + "    ";
      if (classDescriptor.getClassObjectDescriptor() != null) {
        firstPassed = true;
        myBuilder.append(subindent).append("class ");
        appendDescriptor(classDescriptor.getClassObjectDescriptor(), subindent);
      }
      for (DeclarationDescriptor member :
          sortDeclarations(classDescriptor.getDefaultType().getMemberScope().getAllDescriptors())) {
        if (member.getContainingDeclaration() == descriptor) {
          if (firstPassed) {
            myBuilder.append("\n");
          } else {
            firstPassed = true;
          }
          myBuilder.append(subindent);
          appendDescriptor(member, subindent);
        }
      }
      myBuilder.append(indent).append("}");
      endOffset = myBuilder.length();
    }

    myBuilder.append("\n");
    PsiElement clsMember =
        myBindingContext.get(BindingContext.DESCRIPTOR_TO_DECLARATION, descriptor);
    if (clsMember != null) {
      myClsMembersToRanges.put(clsMember, new TextRange(startOffset, endOffset));
    }
  }

  private static boolean hasAnnotation(
      PsiModifierListOwner modifierListOwner, String qualifiedName) {
    PsiModifierList modifierList = modifierListOwner.getModifierList();
    if (modifierList != null) {
      for (PsiAnnotation annotation : modifierList.getAnnotations()) {
        if (annotation instanceof ClsAnnotationImpl) {
          if (qualifiedName.equals(annotation.getQualifiedName())) {
            return true;
          }
        }
      }
    }
    return false;
  }

  static boolean isKotlinClass(PsiClass psiClass) {
    return hasAnnotation(psiClass, JET_CLASS);
  }

  static boolean isKotlinNamespaceClass(PsiClass psiClass) {
    if (JvmAbi.PACKAGE_CLASS.equals(psiClass.getName()) && !isKotlinClass(psiClass)) {
      for (PsiMethod method : psiClass.getMethods()) {
        if (hasAnnotation(method, JET_METHOD)) {
          return true;
        }
      }
    }
    return false;
  }
}