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

    CompileDependencyVisitor v = visitCompileDependenciesInBytecode(byteCode);
    return v.getRawString();
  }


  private static CompileDependencyVisitor visitCompileDependenciesInBytecode(byte[] byteCode) {
    ClassReader reader = new ClassReader(byteCode);
    CompileDependencyVisitor v = new CompileDependencyVisitor();
    reader.accept(v, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG
        | ClassReader.SKIP_FRAMES);
    return v;
  }

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   * Collects data about a class which only needs the bytecode and no TypeOracle
   * data structures. This is used to make the initial shallow identity pass for
   * creating JRealClassType/JGenericType objects.
   */
  private CollectClassData processClass(TypeData typeData) {
    ClassReader reader = new ClassReader(typeData.byteCode);
    CollectClassData mcv = new CollectClassData();
    ClassVisitor cv = mcv;
    if (TRACE_CLASSES) {
      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 (Double.parseDouble(System.getProperty("java.class.version")) < Opcodes.V1_6) {
         v = new ForceClassVersion15(v);
      }


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

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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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      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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      if (inputStream == null) {
        System.err.println("Could not find class file for " + internalName);
        logger.poison("Could not find class file for " + internalName);
        return false;
      }
      ClassReader reader = new ClassReader(inputStream);
      reader.accept(visitor, 0);
      return true;
    } catch (IOException e) {
      logger.poison("Unable to open " + internalName, e);
    } finally {
      if (inputStream != null) {

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    CompileDependencyVisitor v = visitCompileDependenciesInBytecode(byteCode);
    return v.getRawString();
  }


  private static CompileDependencyVisitor visitCompileDependenciesInBytecode(byte[] byteCode) {
    ClassReader reader = new ClassReader(byteCode);
    CompileDependencyVisitor v = new CompileDependencyVisitor();
    reader.accept(v, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
    return v;
  }

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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);
    classBytesRewriteEvent.end();
    return writer.toByteArray();
  }

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        public void visitOuterClass(String owner, String name, String desc) {
          // copy outer class table from original JSO to synthetic interface
          v.visitOuterClass(owner, name, desc);
        }
      };
      new ClassReader(classBytes).accept(cv, 0);
    }
    v.visitEnd();
    return writer.toByteArray();
  }

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