Examples of com.google.gwt.dev.asm.ClassReader

com.google.gwt.dev.asm.ClassReader
A Java class parser to make a {@link ClassVisitor} visit an existing class.This class parses a byte array conforming to the Java class file format and calls the appropriate visit methods of a given class visitor for each field, method and bytecode instruction encountered. @author Eric Bruneton @author Eugene Kuleshov

            System.err.println("Prints a disassembled view of the given class.");
            System.err.println("Usage: TraceClassVisitor [-debug] "
                    + "<fully qualified class name or class file name>");
            return;
        }
        ClassReader cr;
        if (args[i].endsWith(".class") || args[i].indexOf('\\') > -1
                || args[i].indexOf('/') > -1)
        {
            cr = new ClassReader(new FileInputStream(args[i]));
        } else {
            cr = new ClassReader(args[i]);
        }
        cr.accept(new TraceClassVisitor(new PrintWriter(System.out)),
                getDefaultAttributes(),
                flags);
    }

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   * data structures. This is used to make the initial shallow identity pass for
   * creating JRealClassType/JGenericType objects.
   */
  private CollectClassData processClass(CompiledClass compiledClass) {
    byte[] classBytes = compiledClass.getBytes();
    ClassReader reader = new ClassReader(classBytes);
    CollectClassData mcv = new CollectClassData();
    ClassVisitor cv = mcv;
    if (false) {
      cv = new TraceClassVisitor(cv, new PrintWriter(System.out));
    }
    reader.accept(cv, 0);
    return mcv;
  }

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        if (isClassnameGenerated(lookupName)
            && !allGeneratedClasses.contains(lookupName)) {
          allGeneratedClasses.add(lookupName);
        }
        AnonymousClassVisitor cv = new AnonymousClassVisitor();
        new ClassReader(classBytes).accept(cv, 0);
        List<String> innerClasses = cv.getInnerClassNames();
        for (String innerClass : innerClasses) {
          // The innerClass has to be an inner class of the lookupName
          if (!innerClass.startsWith(mainClass + "$")) {
            continue;

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        if (isClassnameGenerated(lookupName)
            && !allGeneratedClasses.contains(lookupName)) {
          allGeneratedClasses.add(lookupName);
        }
        AnonymousClassVisitor cv = new AnonymousClassVisitor();
        new ClassReader(classBytes).accept(cv, 0);
        List<String> innerClasses = cv.getInnerClassNames();
        for (String innerClass : innerClasses) {
          // The innerClass has to be an inner class of the lookupName
          if (!innerClass.startsWith(mainClass + "$")) {
            continue;

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    if (Double.parseDouble(System.getProperty("java.class.version")) < Opcodes.V1_6) {
      v = new ForceClassVersion15(v);
    }


    new ClassReader(classBytes).accept(v, 0);
    return writer.toByteArray();
  }

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   *         possesses the desired annotation
   */
  public static boolean hasAnnotation(byte[] classBytes,
      Class<? extends Annotation> annotation) {
    HasAnnotation v = new HasAnnotation(new EmptyVisitor(), annotation);
    new ClassReader(classBytes).accept(v, ClassReader.SKIP_CODE
        | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);


    return v.isFound();
  }

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      inputStream = loader.getResourceAsStream(internalName + ".class");
      if (inputStream == null) {
        logger.poison("Could not find class file for " + internalName);
        return false;
      }
      ClassReader reader = new ClassReader(inputStream);
      reader.accept(visitor, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG
          | ClassReader.SKIP_FRAMES);
      return true;
    } catch (IOException e) {
      logger.poison("Unable to open " + internalName, e);
    } finally {

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      v = new WriteJsoImpl(v, jsoIntfDescs, mapper);
    }


    v = new RewriteJsniMethods(v);


    new ClassReader(classBytes).accept(v, 0);
    return writer.toByteArray();
  }

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    if (Double.parseDouble(System.getProperty("java.class.version")) < Opcodes.V1_6) {
      v = new ForceClassVersion15(v);
    }


    new ClassReader(classBytes).accept(v, 0);
    return writer.toByteArray();
  }

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        if (CompilingClassLoader.isClassnameGenerated(lookupName)
            && !allGeneratedClasses.contains(lookupName)) {
          allGeneratedClasses.add(lookupName);
        }
        AnonymousClassVisitor cv = new AnonymousClassVisitor();
        new ClassReader(classBytes).accept(cv, 0);
        List<String> innerClasses = cv.getInnerClassNames();
        for (String innerClass : innerClasses) {
          // The innerClass has to be an inner class of the lookupName
          if (!innerClass.startsWith(mainClass + "$")) {
            continue;

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