org.apache.bsf.debug.jsdi
Interface JsFunction
- All Superinterfaces:
- JsCode, JsObject, java.rmi.Remote
- public interface JsFunction
- extends JsCode
Represents a function in the engine since JavaScript
has code as first-class objects.
Methods inherited from interface org.apache.bsf.debug.jsdi.JsObject |
define, delete, delete, get, get, getClassName, getDefaultValue, getIds, getPrototype, getScope, has, has, hasInstance, isFunction, isScript, put, put, setPrototype, setScope |
call
public java.lang.Object call(JsContext cx,
JsObject scope,
JsObject thisObj,
java.lang.Object[] args)
throws java.rmi.RemoteException
- Call the function.
Note that the array of arguments is not guaranteed to have
length greater than 0.
- Parameters:
cx
- the current Context for this threadscope
- the scope to execute the function relative to. This is
set to the value returned by getParentScope() except
when the function is called from a closure.thisObj
- the JavaScript this
objectargs
- the array of arguments
- Returns:
- the result of the call
- Throws:
JavaScriptException
- if an uncaught exception
occurred while executing the function
java.rmi.RemoteException
construct
public JsObject construct(JsContext cx,
JsObject scope,
java.lang.Object[] args)
throws java.rmi.RemoteException
- Call the function as a constructor.
This method is invoked by the runtime in order to satisfy a use
of the JavaScript
new
operator. This method is
expected to create a new object and return it.
- Parameters:
cx
- the current Context for this threadscope
- an enclosing scope of the caller except
when the function is called from a closure.args
- the array of arguments
- Returns:
- the allocated object
- Throws:
JavaScriptException
- if an uncaught exception
occurred while executing the constructor
java.rmi.RemoteException
getArgumentCount
public int getArgumentCount()
throws java.rmi.RemoteException
java.rmi.RemoteException
getFunctionName
public java.lang.String getFunctionName()
throws java.rmi.RemoteException
java.rmi.RemoteException