public static Constructor compilePogoMethod(CachedMethod cachedMethod) 
{
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        final CachedClass declClass = cachedMethod.getDeclaringClass();
        final CallSiteClassLoader callSiteLoader = declClass.getCallSiteLoader();
        final String name = callSiteLoader.createClassName(cachedMethod.setAccessible());
        final byte[] bytes = genPogoMetaMethodSite(cachedMethod, cw, name);
        return callSiteLoader.defineClassAndGetConstructor(name, bytes);
}

 public static Constructor compilePojoMethod(CachedMethod cachedMethod) 
{
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        final CachedClass declClass = cachedMethod.getDeclaringClass();
        final CallSiteClassLoader callSiteLoader = declClass.getCallSiteLoader();
        final String name = callSiteLoader.createClassName(cachedMethod.setAccessible());
        final byte[] bytes = genPojoMetaMethodSite(cachedMethod, cw, name);
        return callSiteLoader.defineClassAndGetConstructor(name, bytes);
}

 public static Constructor compileStaticMethod(CachedMethod cachedMethod) 
{
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        final CachedClass declClass = cachedMethod.getDeclaringClass();
        final CallSiteClassLoader callSiteLoader = declClass.getCallSiteLoader();
        final String name = callSiteLoader.createClassName(cachedMethod.setAccessible());
        final byte[] bytes = genStaticMetaMethodSite(cachedMethod, cw, name);
        return callSiteLoader.defineClassAndGetConstructor(name, bytes);
}

 public static  void genCallWithFixedParams(ClassWriter cw,
    String name,
    String superClass,
    CachedMethod cachedMethod,
    String receiverType) 
{
        if (cachedMethod.getParamsCount()  > 4) return;
        StringBuilder pdescb = new StringBuilder();
        final int pc = cachedMethod.getParamsCount();
        for (int i = 0; i != pc; ++i) pdescb.append("Ljava/lang/Object;");
        writeMethod(cw,name,pc+2,superClass,cachedMethod,receiverType,pdescb.toString(),false);
}

 public static  void genCallXxxWithArray(ClassWriter cw,
    String name,
    String superClass,
    CachedMethod cachedMethod,
    String receiverType) 
{
        writeMethod(cw,name,3,superClass,cachedMethod,receiverType,"[Ljava/lang/Object;",true);
}

 public static byte[] genPogoMetaMethodSite(CachedMethod cachedMethod,
    ClassWriter cw,
    String name) 
{
        MethodVisitor mv;
        cw.visit(Opcodes.V1_4, Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, name.replace('.','/'), null, "org/codehaus/groovy/runtime/callsite/PogoMetaMethodSite", null);
        genConstructor(cw, "org/codehaus/groovy/runtime/callsite/PogoMetaMethodSite");
        genCallXxxWithArray(cw, "Current", "org/codehaus/groovy/runtime/callsite/PogoMetaMethodSite", cachedMethod, "groovy/lang/GroovyObject");
        genCallXxxWithArray(cw, "", "org/codehaus/groovy/runtime/callsite/PogoMetaMethodSite", cachedMethod, "java/lang/Object");
        genCallWithFixedParams(cw, "Current", "org/codehaus/groovy/runtime/callsite/PogoMetaMethodSite", cachedMethod, "groovy/lang/GroovyObject");
        genCallWithFixedParams(cw, "", "org/codehaus/groovy/runtime/callsite/PogoMetaMethodSite", cachedMethod, "java/lang/Object");
        cw.visitEnd();
        return cw.toByteArray();
}

 public static byte[] genPojoMetaMethodSite(CachedMethod cachedMethod,
    ClassWriter cw,
    String name) 
{
        MethodVisitor mv;
        cw.visit(Opcodes.V1_4, Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, name.replace('.','/'), null, "org/codehaus/groovy/runtime/callsite/PojoMetaMethodSite", null);
        genConstructor(cw, "org/codehaus/groovy/runtime/callsite/PojoMetaMethodSite");
        genCallXxxWithArray(cw, "", "org/codehaus/groovy/runtime/callsite/PojoMetaMethodSite", cachedMethod, "java/lang/Object");
        genCallWithFixedParams(cw, "", "org/codehaus/groovy/runtime/callsite/PojoMetaMethodSite", cachedMethod, "java/lang/Object");
        cw.visitEnd();
        return cw.toByteArray();
}

 public static byte[] genStaticMetaMethodSite(CachedMethod cachedMethod,
    ClassWriter cw,
    String name) 
{
        cw.visit(Opcodes.V1_4, Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, name.replace('.','/'), null, "org/codehaus/groovy/runtime/callsite/StaticMetaMethodSite", null);
        genConstructor(cw, "org/codehaus/groovy/runtime/callsite/StaticMetaMethodSite");
        genCallXxxWithArray(cw, "", "org/codehaus/groovy/runtime/callsite/StaticMetaMethodSite", cachedMethod, "java/lang/Object");
        genCallXxxWithArray(cw, "Static", "org/codehaus/groovy/runtime/callsite/StaticMetaMethodSite", cachedMethod, "java/lang/Class");
        genCallWithFixedParams(cw, "", "org/codehaus/groovy/runtime/callsite/StaticMetaMethodSite", cachedMethod, "java/lang/Object");
        genCallWithFixedParams(cw, "Static", "org/codehaus/groovy/runtime/callsite/StaticMetaMethodSite", cachedMethod, "java/lang/Class");
        cw.visitEnd();
        return cw.toByteArray();
}

 public static boolean isCompilable(CachedMethod method) 
{
        return GroovySunClassLoader.sunVM != null || Modifier.isPublic(method.cachedClass.getModifiers()) && method.isPublic() && publicParams(method);
}