fix: function call; refactor internals

cmd/REPL/repel.go

@@ -13,16 +13,13 @@ import (
 )
 
 // REPL
-//  the repl used to interact with users to read from it console
-// 	send to interpreter to evaluate then prints back the result
-
 /*
 * Function as the start method of the repl
-* To interact with the user via terminal
  */
 
-const PROMPT = "🟢>"
+const PROMPT = "🟢>_"
 
+var ctx = types.NewContext()
 
 func Start(in io.Reader, out io.Writer) {
 	scanner := bufio.NewScanner(in)
@@ -55,8 +52,6 @@ func Start(in io.Reader, out io.Writer) {
 		pr := repParser.Parse()
 		errs := repParser.Errors()
 
-		fmt.Println(pr.ToString())
-
 		if len(errs) != 0 {
 			io.WriteString(out, fmt.Sprintf("%d errors ❌ occurred while parsing your input \n", len(errs)))
 			for idx, e := range errs {
@@ -65,14 +60,12 @@ func Start(in io.Reader, out io.Writer) {
 			continue
 		}
 
-		var GLOBAL_CONTEXT = types.NewContext()
-
-		evaluated ,err:= runtime.Eval(pr,GLOBAL_CONTEXT)
+		evaluated, err := runtime.Eval(pr, ctx)
 		if err != debug.NOERROR {
 			io.WriteString(out, fmt.Sprintf("error while evaluating your input: %s \n", err.Error()))
 			continue
 		}
-	
+
 		if evaluated != nil {
 			io.WriteString(out, evaluated.ToString())
 			io.WriteString(out, "\n")