Generate ADT Typescript files for ANTLR4 grammars from antlr4ts files.

Example

A simple calculator:

• ANTL4 Grammar: Calculator.g4
• Autogenerated ADT Typescript types: CalculatorAdt.ts
• AST eval example: calculator.ts

Demo using the example/ from sources:

$ git clone https://github.com/tokland/antlr4ts-adt
$ cd example
$ yarn install

$ npx antlr4ts Calculator.g4 -o antlr4 -visitor
$ npx antlr4ts-adt antlr4/CalculatorParser.ts
$ npx ts-node calculator.ts "1 + product(5 - 2, 2) + sum(1, 2, 2 + 1)"
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