generative

What's the relationshiop between Xtext and ANTLR?

拥有回忆 提交于 2020-01-03 08:09:05
问题 I heard that Xtext ultimately uses ANTLR but their grammar specification files have somewhat different formats. So what's the relationship between the two? 回答1: Xtext relies on the Antlr parser generator for the parsing of input files. On top of that the framework provides lot's of added value such as strongly typed ASTs, abstractions for linking and static analysis as well as IDE integration for Eclipse. For that purpose, Xtext generates two Antlr grammars. One for the production parsing