tio.run api

tio.rb

# coding: utf-8

module Tio
    def self.languages
        require 'json'
        JSON.load(Net::HTTP.get(URI('https://tio.run/languages.json'))).keys
    end

    def self.run_url
        URI('https://tio.run/cgi-bin/run/api/')
    end

    def self.deflate_raw string
        require 'zlib'
        Zlib.deflate(string).slice(2..-5)
    end

    def self.run(code, lang, input: nil, argv: [], flags: [], files: {}, variables: {})
        require 'net/http'
        require 'stringio'
        files = files.merge({ ".code.tio": code })
        files = files.merge({ ".input.tio": input }) if input
        variables = variables.merge({ lang: lang })
        variables = variables.merge({ args: argv }) unless argv.empty?
        variables = variables.merge({ TIO_CFLAGS: flags }) unless flags.empty?
        io = StringIO.new.binmode
        variables.each { |k, v|
            io.write "V#{k}", 0.chr
            v = [v] unless v.kind_of? Array
            io.write v.size, 0.chr
            v.each { |x| io.write x, 0.chr }
        }
        files.each { |k, v|
            io.write "F#{k}", 0.chr, v.bytesize, 0.chr, v
        }
        io.write 'R'
        payload = deflate_raw io.string
        body = Net::HTTP.post(run_url, payload).body
        splitter = body.slice!(0, 16)
        stdout, stderr = body.split(splitter)
        puts stdout
        # STDERR.puts stderr
        true
    end
end

Tio.run <<~C, 'c-tcc'
    #include <stdio.h>
    int main(void) {

    #ifdef __TINYC__
        printf("hello from tcc!\\n");
    #else
        printf("hello world!\\n");
    #endif

    }
C

The language id options arrive on the https://tio.run home page via curl https://tio.run/static/3fbdee7a34cd8d340fe2dbd19acd2391-languages.json | jq keys, but the static file hash will change. There's a hardcoded list here.