bb.go

package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {

	fmt.Printf("Welcome the arogue repl! press ctrl-d to exit.\n")

	scanner := bufio.NewScanner(os.Stdin)

	lineNumber := 0
	line := ""
	var ok bool
	ac := NewAccum() // accumulated source code, for type-checking

	for {
		// step one: read a line from the user on stdin
		lineNumber++
		fmt.Printf("%04d bb> ", lineNumber)
		ok = scanner.Scan()
		if !ok {
			fmt.Printf("\nok was false. quitting.\n")
			os.Exit(0)
		}

		if err := scanner.Err(); err != nil {
			panic(err)
		}
		line = scanner.Text()

		fmt.Printf("line is: '%s'\n", line)

		// step two: translate from golang to scheme
		schemeSrc, err := TranslateToScheme(line, ac)
		if err != nil {
			fmt.Printf("error on TranslateToScheme: '%v'\n", err)
			continue
		}

		// step three: evaluate in the chicken-scheme repl
		fmt.Printf("tranlation to R is: %#v\n", schemeSrc)

	}
}