Enhances parsing with support for context-sensitive grammars, auto-completion, highlighting, and formatting. Utilizes ANTLR 4 for efficiency, offering fast token rewriting and parse tree printing.
Originally created to support context-sensitive and regex supporting grammars. It consisted of a recursive descent parser with several optimizations for localized caches and on the fly tokenization (rather than an initial tokenization step). As a result it was fairly fast for a recursive descent parser, only about 3 times slower than ANTLR. It was able to parse more easily certain types of texts and would not run the same regex evaluation more than once from the same point in the parsing process. It also exposed a lot of what is needed to create functionality around autocompletion to the point that I was able to create several smaller DSLs with IDE like support. The main problem with it was that although decently fast for what it did it was not fast enough for a real time typing experience.
To help with that I started using ANTLR 4. Although ANTLR is faster and able to handle much bigger inputs, it lacked functionality around auto-completion and most suggestions involved simple token recommendations. I tried C3 for auto-completion but also noticed it needed some hand holding in order to know what things it should look for auto-completion. I wanted ANTRL to provide a similar experience as the initial parser I had created provided. This library was enhanced with several utilities to allow ANTRL 4 usage that makes it easier to be used for the items below among others:
ANTLR Completion with Indentation
ANTRL Highlighting and Formatting
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