What to put in the index?
As explained earlier in this chapter, everything that can be given a name will have a corresponding entry in the index; moreover, by default, each element of the index can be referred through its fully qualified name. However, only the references that use the qualified name syntax can refer to these elements using the index. In SmallJava, only classes can be referred with qualified names.
The index is also used by Xtext to keep track of dependencies among files and to determine when to rebuild other files when a file changes.
Therefore, it makes no sense to index those elements that cannot be referred from other files. In our DSL, this means that it does not make sense to index variables, since they can only be accessed ...
Get Implementing Domain-Specific Languages with Xtext and Xtend - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
