func main() {
var action string = ""
if len(os.Args) > 1 {
action = os.Args[1]
}
switch action {
case "help":
fmt.Println(helpText)
case "run":
if len(os.Args) < 3 {
fmt.Println("run command requires a filename as argument")
os.Exit(1)
}
fileName := os.Args[2]
core.ShowStates(compileProgramFromFile(fileName))
case "build":
if len(os.Args) < 3 {
fmt.Println("build command requires a filename as argument")
os.Exit(1)
}
fileName := os.Args[2]
compile.SaveLLVMIR(compile.GenLLVMIR(compileProgramFromFile(fileName)))
default:
fmt.Println("Starting puff REPL")
replLoop()
fmt.Println("\nGoodbye! Thanks for using puff.")
}
}
func replLoop() {
fmt.Println(`
__ __
_ __ _ _ / _|/ _|
| '_ \| | | | |_| |_
| |_) | |_| | _| _|
| .__/ \__,_|_| |_|
|_|
`)
reader := bufio.NewReader(os.Stdin)
// H := jit.addModule(module)
var globals string
for {
fmt.Print("puff> ")
text, err := reader.ReadString('\n')
if err == io.EOF {
break
}
if strings.HasPrefix(text, "fn ") {
globals = globals + "\n" + text
} else {
program := compile.Translate(globals+"\n"+"fn main() => "+text, "repl")
core.ShowStates(core.Compile(program))
}
}
}