CODEWITHSUNDEEP
grammardslxtextxtendmde
Michel Keijzers
Michel Keijzers

Reputation: 15367

How to find out in Xtend if an optional feature from an Xtext grammar is used or not?

I have the following xtext fragments:

LongDmxColor:
    intensity=DmxValue red=DmxValue green=DmxValue blue=DmxValue (white=DmxValue)?;

and

DmxValue returns INT:
    value=INT;

In the generated LongDmxColor.java class, there are the following methods related to white:

INT getWhite();
void setWhite(INT value);

How can I in xtend find out whether white is selected or not?

Upvotes: 2

Views: 181

Answers (1)

Michel Keijzers
Michel Keijzers

Reputation: 15367

I found a solution (to help others):

Use the eIsSet command, like:

if (colorItem.eIsSet(DmxLightShowPackage.Literals.LONG_DMX_COLOR__WHITE))

Upvotes: 1

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