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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
package org.python.antlr.adapter;
import java.util.ArrayList;
import java.util.List;
import org.python.antlr.ast.cmpopType;
import org.python.antlr.op.Eq;
import org.python.antlr.op.Gt;
import org.python.antlr.op.GtE;
import org.python.antlr.op.In;
import org.python.antlr.op.Is;
import org.python.antlr.op.IsNot;
import org.python.antlr.op.Lt;
import org.python.antlr.op.LtE;
import org.python.antlr.op.NotEq;
import org.python.antlr.op.NotIn;
import org.python.core.Py;
import org.python.core.PyObject;
public class CmpopAdapter implements AstAdapter {
public Object py2ast(PyObject o) {
if (o != Py.None) {
switch ((o).asInt()) {
case 1:
return cmpopType.Eq;
case 2:
return cmpopType.NotEq;
case 3:
return cmpopType.Lt;
case 4:
return cmpopType.LtE;
case 5:
return cmpopType.Gt;
case 6:
return cmpopType.GtE;
case 7:
return cmpopType.Is;
case 8:
return cmpopType.IsNot;
case 9:
return cmpopType.In;
case 10:
return cmpopType.NotIn;
default:
return cmpopType.UNDEFINED;
}
}
return cmpopType.UNDEFINED;
}
public PyObject ast2py(Object o) {
if (o == null) {
return Py.None;
}
switch ((cmpopType)o) {
case Eq:
return new Eq();
case NotEq:
return new NotEq();
case Lt:
return new Lt();
case LtE:
return new LtE();
case Gt:
return new Gt();
case GtE:
return new GtE();
case Is:
return new Is();
case IsNot:
return new IsNot();
case In:
return new In();
case NotIn:
return new NotIn();
default:
return Py.None;
}
}
public List iter2ast(PyObject iter) {
List cmpops = new ArrayList();
if (iter != Py.None) {
for(Object o : (Iterable)iter) {
cmpops.add((cmpopType)py2ast((PyObject)o));
}
}
return cmpops;
}
}