コード例 #1
0
ファイル: TypeDefinition.java プロジェクト: jforge/windup
  @Override
  public GenericParameter findTypeVariable(final String name) {
    for (final GenericParameter genericParameter : getGenericParameters()) {
      if (StringUtilities.equals(genericParameter.getName(), name)) {
        return genericParameter;
      }
    }

    final MethodReference declaringMethod = getDeclaringMethod();

    if (declaringMethod != null) {
      return declaringMethod.findTypeVariable(name);
    }

    final TypeReference declaringType = getDeclaringType();

    if (declaringType != null && !this.isStatic()) {
      return declaringType.findTypeVariable(name);
    }

    return null;
  }
コード例 #2
0
ファイル: VarArgsTransform.java プロジェクト: jforge/windup
  @Override
  public Void visitInvocationExpression(final InvocationExpression node, final Void data) {
    super.visitInvocationExpression(node, data);

    final AstNodeCollection<Expression> arguments = node.getArguments();
    final Expression lastArgument = arguments.lastOrNullObject();

    Expression arrayArg = lastArgument;

    if (arrayArg instanceof CastExpression) arrayArg = ((CastExpression) arrayArg).getExpression();

    if (arrayArg == null
        || arrayArg.isNull()
        || !(arrayArg instanceof ArrayCreationExpression
            && node.getTarget() instanceof MemberReferenceExpression)) {

      return null;
    }

    final ArrayCreationExpression newArray = (ArrayCreationExpression) arrayArg;
    final MemberReferenceExpression target = (MemberReferenceExpression) node.getTarget();

    if (!newArray.getAdditionalArraySpecifiers().hasSingleElement()) {
      return null;
    }

    final MethodReference method = (MethodReference) node.getUserData(Keys.MEMBER_REFERENCE);

    if (method == null) {
      return null;
    }

    final MethodDefinition resolved = method.resolve();

    if (resolved == null || !resolved.isVarArgs()) {
      return null;
    }

    final List<MethodReference> candidates;
    final Expression invocationTarget = target.getTarget();

    if (invocationTarget == null || invocationTarget.isNull()) {
      candidates =
          MetadataHelper.findMethods(
              context.getCurrentType(), MetadataFilters.matchName(resolved.getName()));
    } else {
      final ResolveResult targetResult = _resolver.apply(invocationTarget);

      if (targetResult == null || targetResult.getType() == null) {
        return null;
      }

      candidates =
          MetadataHelper.findMethods(
              targetResult.getType(), MetadataFilters.matchName(resolved.getName()));
    }

    final List<TypeReference> argTypes = new ArrayList<>();

    for (final Expression argument : arguments) {
      final ResolveResult argResult = _resolver.apply(argument);

      if (argResult == null || argResult.getType() == null) {
        return null;
      }

      argTypes.add(argResult.getType());
    }

    final MethodBinder.BindResult c1 = MethodBinder.selectMethod(candidates, argTypes);

    if (c1.isFailure() || c1.isAmbiguous()) {
      return null;
    }

    argTypes.remove(argTypes.size() - 1);

    final ArrayInitializerExpression initializer = newArray.getInitializer();
    final boolean hasElements = !initializer.isNull() && !initializer.getElements().isEmpty();

    if (hasElements) {
      for (final Expression argument : initializer.getElements()) {
        final ResolveResult argResult = _resolver.apply(argument);

        if (argResult == null || argResult.getType() == null) {
          return null;
        }

        argTypes.add(argResult.getType());
      }
    }

    final MethodBinder.BindResult c2 = MethodBinder.selectMethod(candidates, argTypes);

    if (c2.isFailure()
        || c2.isAmbiguous()
        || !StringUtilities.equals(
            c2.getMethod().getErasedSignature(), c1.getMethod().getErasedSignature())) {

      return null;
    }

    lastArgument.remove();

    if (!hasElements) {
      return null;
    }

    for (final Expression newArg : initializer.getElements()) {
      newArg.remove();
      arguments.add(newArg);
    }

    return null;
  }
コード例 #3
0
  /** @author DeathMarine */
  private void doSaveJarDecompiled(File inFile, File outFile) throws Exception {
    try (JarFile jfile = new JarFile(inFile);
        FileOutputStream dest = new FileOutputStream(outFile);
        BufferedOutputStream buffDest = new BufferedOutputStream(dest);
        ZipOutputStream out = new ZipOutputStream(buffDest); ) {
      byte data[] = new byte[1024];
      DecompilerSettings settings = getDecompilerSettings();
      LuytenTypeLoader typeLoader = new LuytenTypeLoader();
      MetadataSystem metadataSystem = new MetadataSystem(typeLoader);
      ITypeLoader jarLoader = new JarTypeLoader(jfile);
      typeLoader.getTypeLoaders().add(jarLoader);

      DecompilationOptions decompilationOptions = new DecompilationOptions();
      decompilationOptions.setSettings(settings);
      decompilationOptions.setFullDecompilation(true);

      Enumeration<JarEntry> ent = jfile.entries();
      Set<JarEntry> history = new HashSet<JarEntry>();
      while (ent.hasMoreElements()) {
        JarEntry entry = ent.nextElement();
        if (entry.getName().endsWith(".class")) {
          JarEntry etn = new JarEntry(entry.getName().replace(".class", ".java"));
          if (history.add(etn)) {
            out.putNextEntry(etn);
            try {
              String internalName = StringUtilities.removeRight(entry.getName(), ".class");
              TypeReference type = metadataSystem.lookupType(internalName);
              TypeDefinition resolvedType = null;
              if ((type == null) || ((resolvedType = type.resolve()) == null)) {
                throw new Exception("Unable to resolve type.");
              }
              Writer writer = new OutputStreamWriter(out);
              settings
                  .getLanguage()
                  .decompileType(resolvedType, new PlainTextOutput(writer), decompilationOptions);
              writer.flush();
            } finally {
              out.closeEntry();
            }
          }
        } else {
          try {
            JarEntry etn = new JarEntry(entry.getName());
            if (history.add(etn)) continue;
            history.add(etn);
            out.putNextEntry(etn);
            try {
              InputStream in = jfile.getInputStream(entry);
              if (in != null) {
                try {
                  int count;
                  while ((count = in.read(data, 0, 1024)) != -1) {
                    out.write(data, 0, count);
                  }
                } finally {
                  in.close();
                }
              }
            } finally {
              out.closeEntry();
            }
          } catch (ZipException ze) {
            // some jar-s contain duplicate pom.xml entries: ignore
            // it
            if (!ze.getMessage().contains("duplicate")) {
              throw ze;
            }
          }
        }
      }
    }
  }