id: "cat"
aliases:
  - "cat-language"
name: "Cat"

info:
  year: 2006
  desc: "Statically typed stack-based programming language in C#"
  ext: cat
  web:
    source: "https://github.com/cdiggins/cat-language"
  category: pure
  mode: interpreted
  platform: []
  syntax: tokens
  typing: static
  paradigm: stack
  usage: []

install:
  scripts:
    cat-lang: |
      #!/usr/bin/env -S NODE_PATH=/opt/cat node
      const fs = require("fs");
      const repl = require("repl");

      const args = process.argv.slice(2);
      if (args.length > 1) {
        console.error("usage: cat-lang [FILE]");
        process.exit(1);
      }

      const program = args.length === 1 ? fs.readFileSync(args[0], "utf-8") : null;

      const cat = require("cat");
      const ce = new cat.CatLanguage.CatEvaluator();

      if (program !== null) {
        ce.eval(program);
      }

      repl.start({prompt: "cat> ", eval: (cmd, context, filename, callback) => callback(null, ce.eval(cmd))});
  manual: |
    git clone https://github.com/cdiggins/cat-language "${pkg}/opt/cat"

repl: |
  cat-lang
input: |
  123 234 mul

main: "main.cat"
template: |
  72 101 108 108 111 44 32 119 111 114 108 100 33 10

run: |
  cat-lang main.cat
hello: |
  72,101,108,108,111,44,32,119,111,114,108,100,33,10