package bsh;
import bsh.
Capabilities.
Unavailable;
import java.lang.reflect.
InvocationTargetException;
public abstract class
ClassGenerator
{
private static
ClassGenerator cg;
public static
ClassGenerator getClassGenerator()
throws
UtilEvalError
{
if (
cg == null )
{
try {
Class clas =
Class.
forName( "bsh.ClassGeneratorImpl" );
cg = (
ClassGenerator)
clas.
newInstance();
} catch (
Exception e ) {
throw new
Unavailable("ClassGenerator unavailable: "+
e);
}
}
return
cg;
}
/**
Parse the BSHBlock for the class definition and generate the class.
*/
public abstract
Class generateClass(
String name,
Modifiers modifiers,
Class []
interfaces,
Class superClass,
BSHBlock block,
boolean
isInterface,
CallStack callstack,
Interpreter interpreter
)
throws
EvalError;
/**
Invoke a super.method() style superclass method on an object instance.
This is not a normal function of the Java reflection API and is
provided by generated class accessor methods.
*/
public abstract
Object invokeSuperclassMethod(
BshClassManager bcm,
Object instance,
String methodName,
Object []
args
)
throws
UtilEvalError,
ReflectError,
InvocationTargetException;
/**
Change the parent of the class instance namespace.
This is currently used for inner class support.
Note: This method will likely be removed in the future.
*/
public abstract void
setInstanceNameSpaceParent(
Object instance,
String className,
NameSpace parent );
}