Since I started exploring the possibilities of the various bits of codename “Oslo”, there has been one thing that has really annoyed me (and this is not Oslo’s fault). The lack of a decent tool to do syntax highlighting of M, MGrammar & custom DSLs is vital to be able to communicate the intentions of [...]
In the first installment of this series we took a look at the basic grammar for parsing the command line with MGrammar. In this part I’ll show you how we can load in a compiled version of the MGrammar and parse the input (i.e. the command line) to produce a valid MGraph that we in [...]
Let’s take a look at how we can use MGrammar to create a mini-DSL for a language most developers knows quite well; command line arguments. Most applications that accepts arguments on the command line in Windows (or in Linux/Un*x for that matter) is on the form:
Application.exe /a /b 123 /c “some input string goes here”
Some [...]