main.go

package main

import (
	"flag"
	"fmt"
	"io/ioutil"
	"log"
	"os"

	"github.com/mitchr/dallas/compiler"
)

var (
	disAsm   = flag.Bool("d", false, "disassemble .8xp files")
	progName = flag.String("p", "PROG", "set the program name (only for compilation)")
	archive  = flag.Bool("a", false, "set the archive bit; if false, ram is used to store the program")
	lock     = flag.Bool("e", false, "set the edit-lock bit")
	help     = flag.Bool("h", false, "display this help message")
	ti83     = flag.Bool("ti83", false, "compile for the TI-83 (compiles for TI-84 by default)")
)

func main() {
	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "dallas is a TI-BASIC Compiler and Decompiler\n\nUsage:\n\tdallas [flags] filename\n\nFlags:\n")
		flag.PrintDefaults()
		os.Exit(0)
	}
	flag.Parse()

	inName := flag.Arg(0)
	if inName == "" || *help {
		flag.Usage()
	}

	inFile, err := ioutil.ReadFile(inName)
	if err != nil {
		log.Fatal(err)
	}

	var output []byte
	if *disAsm == true {
		var b []byte
		output, b = compiler.Decompile(inFile)
		*progName = string(b) + ".tib"
	} else {
		output = compiler.Compile(inFile, *progName, *archive, *ti83)
		*progName += ".8xp"
	}

	outFile, err := os.Create(*progName)
	if err != nil {
		log.Fatal(err)
	}

	_, err = outFile.Write(output)
	if err != nil {
		log.Fatal(err)
	}
}