ISemanticHighlightingCalculator (org.eclipse.xtext.ide 2.30.0 API)

All Known Implementing Classes:

DefaultSemanticHighlightingCalculator, MergingHighlightedPositionAcceptor
```
public interface ISemanticHighlightingCalculator
```
Clients should implement an ISemanticHighlightingCalculator to compute the mapping from ranges in the input to the appropriate highlighting style.

Since:

2.9

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`provideHighlightingFor(org.eclipse.xtext.resource.XtextResource resource, IHighlightedPositionAcceptor acceptor, org.eclipse.xtext.util.CancelIndicator cancelIndicator)`

- Method Detail
  - provideHighlightingFor
```
void provideHighlightingFor(org.eclipse.xtext.resource.XtextResource resource,
                            IHighlightedPositionAcceptor acceptor,
                            org.eclipse.xtext.util.CancelIndicator cancelIndicator)
```
    Parameters:
    
    resource - the resource that will be highlighted. May be null in some rare cases.
    
    acceptor - used to announce the mapping from text-range to the style's id. The acceptor will never be null.
    
    cancelIndicator - used to determine whether we should stop searching for highlighting positions (use OperationCanceledManager to check)