hakorune/apps/selfhost/ny-parser-nyash/main.nyash

// Entry: read stdin, parse with ParserV0, print JSON IR or error JSON

using "./apps/selfhost/ny-parser-nyash/parser_minimal.nyash" as ParserMod
using "./apps/selfhost/ny-parser-nyash/parser_minimal.nyash"

static box Main {
  main(args) {
    local console = new ConsoleBox()
    // Read all stdin
    local buf = ""
    loop(true) {
      local line = console.readLine()
      if line == null { break }
      buf = buf + line + "\n"
    }
    if buf == "" { buf = "return 0\n" }
    local ir = ParserV0.parse_program(buf)
    // If already an Error envelope, print as-is
    local s = ir.as_any().toString()
    if s.indexOf("\"kind\":\"Error\"") >= 0 {
      console.log(s)
      return 1
    }
    // Expect MapBox with Program; toJson available on MapBox
    local json = ir.toJson()
    console.log(json)
    return 0
  }
}