/*
cer-bootstrap is the bootstrapping compiler for the Cer programming
language.
*/
package main

import (
	"fmt"
	"os"
	"sync"
)

var wg sync.WaitGroup

func main() {
	wg.Add(3)

	errs := make(chan error)

	go readErrs(errs)

	toks := make(chan token, 1024)
	go lex(os.Stdin, toks, errs)

	// for token := range tokens {
	// 	fmt.Println(token)
	// }

	root := make(chan *rootExpr, 1)
	go parse(&tokens{
		src:  toks,
		toks: make([]token, 0, len(toks)),
	}, root, errs)

	// fmt.Printf("%+v\n", <-expr)

	go generate(<-root, os.Stdout, errs)

	wg.Wait()
}

func readErrs(errs <-chan error) {
	fmt.Fprintln(os.Stderr, <-errs)
	os.Exit(1)
}