org.eclipse.xtend.shared.ui.editor.navigation
Class ContextComputer

java.lang.Object
  org.eclipse.xtend.shared.ui.editor.navigation.ContextComputer

All Implemented Interfaces:

VetoableCallback

public class ContextComputer
extends java.lang.Object
implements VetoableCallback

Used by the AbstractHyperlinkDetector to compute the ExecutionContext for a given Expression. Iff the expression is a FeatureCall also the evaluated expression result of the target is stored.

Since:

2.0

Author:

jockel - Initial contribution and API

Constructor Summary

ContextComputer(Expression se)

Method Summary

ExecutionContext	getContext()
void	post(SyntaxElement ele, ExecutionContext ctx, java.lang.Object expressionResult) Called after an element has been processed.
boolean	pre(SyntaxElement ele, ExecutionContext ctx) Called before an element is being processed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ContextComputer

public ContextComputer(Expression se)

Method Detail

getContext

public ExecutionContext getContext()

pre

public boolean pre(SyntaxElement ele,
                   ExecutionContext ctx)

Description copied from interface: VetoableCallback

Called before an element is being processed.

Specified by:

pre in interface VetoableCallback

Parameters:

ele - The element being processed. Never null.

ctx - The execution context in which processing occurs. Never null.

Returns:

true if processing should continue normally, false if this element should be skipped.

post

public void post(SyntaxElement ele,
                 ExecutionContext ctx,
                 java.lang.Object expressionResult)

Description copied from interface: VetoableCallback

Called after an element has been processed.

Specified by:

post in interface VetoableCallback

Parameters:

ele - The element being processed. Never null.

ctx - The execution context in which processing occurs. Never null.

expressionResult - the result of the evaluation (an instance of Type in analyzation phase) if syntax element was an instance of Expression