How to use

addSyntheticMethod

method

in

org.codehaus.groovy.ast.ClassNode

/**
 * Helper method to add a new method to a ClassNode.  Depending on the shouldBeSynthetic flag the
 * call will either be made to ClassNode.addSyntheticMethod() or ClassNode.addMethod(). If a non-synthetic method
 * is to be added the ACC_SYNTHETIC modifier is removed if it has been accidentally supplied.
 */
protected MethodNode addMethod(ClassNode node, boolean shouldBeSynthetic, String name, int modifiers, ClassNode returnType, Parameter[] parameters,
                ClassNode[] exceptions, Statement code) {
  if (shouldBeSynthetic) {
    return node.addSyntheticMethod(name, modifiers, returnType, parameters, exceptions, code);
  } else {
    return node.addMethod(name, modifiers & ~ACC_SYNTHETIC, returnType, parameters, exceptions, code);
  }
}

    new Parameter(ClassHelper.OBJECT_TYPE, "args")
};
MethodNode method = classNode.addSyntheticMethod(
    "this$dist$invoke$" + objectDistance,
    ACC_PUBLIC + ACC_SYNTHETIC,
    new Parameter(ClassHelper.OBJECT_TYPE, "value")
};
method = classNode.addSyntheticMethod(
    "this$dist$set$" + objectDistance,
    ACC_PUBLIC + ACC_SYNTHETIC,
    new Parameter(ClassHelper.STRING_TYPE, "name")
};
method = classNode.addSyntheticMethod(
    "this$dist$get$" + objectDistance,
    ACC_PUBLIC + ACC_SYNTHETIC,

staticMetaClassField.setSynthetic(true);
node.addSyntheticMethod(
    "$getStaticMetaClass",
    ACC_PROTECTED,

node.addSyntheticMethod(
    name, mods, ClassHelper.VOID_TYPE,
    Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, methodCode);

/**
 * Helper method to add a new method to a ClassNode.  Depending on the shouldBeSynthetic flag the
 * call will either be made to ClassNode.addSyntheticMethod() or ClassNode.addMethod(). If a non-synthetic method
 * is to be added the ACC_SYNTHETIC modifier is removed if it has been accidentally supplied.
 */
protected void addMethod(ClassNode node, boolean shouldBeSynthetic, String name, int modifiers, ClassNode returnType, Parameter[] parameters,
             ClassNode[] exceptions, Statement code) {
  if (shouldBeSynthetic) {
    node.addSyntheticMethod(name, modifiers, returnType, parameters, exceptions, code);
  } else {
    node.addMethod(name, modifiers & ~ACC_SYNTHETIC, returnType, parameters, exceptions, code);
  }
}

/**
 * Helper method to add a new method to a ClassNode.  Depending on the shouldBeSynthetic flag the 
 * call will either be made to ClassNode.addSyntheticMethod() or ClassNode.addMethod(). If a non-synthetic method 
 * is to be added the ACC_SYNTHETIC modifier is removed if it has been accidentally supplied.
 */
private void addMethod(ClassNode node, boolean shouldBeSynthetic, String name, int modifiers, ClassNode returnType, Parameter[] parameters,
    ClassNode[] exceptions, Statement code) {
  if (shouldBeSynthetic) {
    node.addSyntheticMethod(name,modifiers,returnType,parameters,exceptions,code);
  } else {
    node.addMethod(name,modifiers&~ACC_SYNTHETIC,returnType,parameters,exceptions,code);            
  }
}

    new Parameter(ClassHelper.OBJECT_TYPE, "args")
};
MethodNode method = classNode.addSyntheticMethod(
    "this$dist$invoke$" + objectDistance,
    ACC_PUBLIC + ACC_SYNTHETIC,
    new Parameter(ClassHelper.OBJECT_TYPE, "value")
};
method = classNode.addSyntheticMethod(
    "this$dist$set$" + objectDistance,
    ACC_PUBLIC + ACC_SYNTHETIC,
    new Parameter(ClassHelper.STRING_TYPE, "name")
};
method = classNode.addSyntheticMethod(
    "this$dist$get$" + objectDistance,
    ACC_PUBLIC + ACC_SYNTHETIC,

staticMetaClassField.setSynthetic(true);
node.addSyntheticMethod(
    "$getStaticMetaClass",
    ACC_PROTECTED,

staticMetaClassField.setSynthetic(true);
node.addSyntheticMethod(
  "$getStaticMetaClass",
  ACC_PROTECTED,
    node.addSyntheticMethod(
        "getMetaClass",
        ACC_PUBLIC | ACC_SYNTHETIC,
    node.addSyntheticMethod(
        "setMetaClass",
        ACC_PUBLIC,
    blockScope.putReferencedLocalVariable(vMethods);
    blockScope.putReferencedLocalVariable(vArguments);
    node.addSyntheticMethod(
        "invokeMethod",
        ACC_PUBLIC,
    node.addSyntheticMethod(
        "getProperty",
        ACC_PUBLIC,
    node.addSyntheticMethod(
        "setProperty",
        ACC_PUBLIC,

        EmptyStatement.INSTANCE);
node.addSyntheticMethod(
    "getMetaClass",
    ACC_PUBLIC,
node.addSyntheticMethod(
    "setMetaClass",
    ACC_PUBLIC,
node.addSyntheticMethod(
    "invokeMethod",
    ACC_PUBLIC,
node.addSyntheticMethod(
    "getProperty",
    ACC_PUBLIC,
});
node.addSyntheticMethod(
    "setProperty",
    ACC_PUBLIC,

staticMetaClassField.setSynthetic(true);
node.addSyntheticMethod(
  "$getStaticMetaClass",
  ACC_PROTECTED,

String name = SWAP_INIT;
BlockStatement methodCode = new BlockStatement();
node.addSyntheticMethod(
    name, mods, ClassHelper.VOID_TYPE,
    Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, methodCode);