org.mozilla.javascript.debug

Interface DebugFrame

public interface DebugFrame

Interface to implement if the application is interested in receiving debug information during execution of a particular script or function.

Method Summary

Methods

Modifier and Type	Method and Description
void	onDebuggerStatement(Context cx) Called when the function or script executes a 'debugger' statement.
void	onEnter(Context cx, Scriptable activation, Scriptable thisObj, java.lang.Object[] args) Called when execution is ready to start bytecode interpretation for entered a particular function or script.
void	onExceptionThrown(Context cx, java.lang.Throwable ex) Called when thrown exception is handled by the function or script.
void	onExit(Context cx, boolean byThrow, java.lang.Object resultOrException) Called when the function or script for this frame is about to return.
void	onLineChange(Context cx, int lineNumber) Called when executed code reaches new line in the source.

Method Detail

onEnter

void onEnter(Context cx,
           Scriptable activation,
           Scriptable thisObj,
           java.lang.Object[] args)

Called when execution is ready to start bytecode interpretation for entered a particular function or script.

Parameters:

cx - current Context for this thread

activation - the activation scope for the function or script.

thisObj - value of the JavaScript this object

args - the array of arguments

onLineChange

void onLineChange(Context cx,
                int lineNumber)

Called when executed code reaches new line in the source.

Parameters:

cx - current Context for this thread

lineNumber - current line number in the script source

onExceptionThrown

void onExceptionThrown(Context cx,
                     java.lang.Throwable ex)

Called when thrown exception is handled by the function or script.

Parameters:

cx - current Context for this thread

ex - exception object

onExit

void onExit(Context cx,
          boolean byThrow,
          java.lang.Object resultOrException)

Called when the function or script for this frame is about to return.

Parameters:

cx - current Context for this thread

byThrow - if true function will leave by throwing exception, otherwise it will execute normal return

resultOrException - function result in case of normal return or exception object if about to throw exception

onDebuggerStatement

void onDebuggerStatement(Context cx)

Called when the function or script executes a 'debugger' statement.

Parameters:

cx - current Context for this thread