fix runtime errors

ArunMurugan78 · Dec 16, 2021 · 211fa72 · 211fa72
1 parent 256b581
commit 211fa72
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git a/bfuk.go b/bfuk.go
@@ -64,6 +64,7 @@ func (bf *Bfuk) handleCommand(inputReader io.ByteReader, outputWriter io.ByteWri
 func NewBfuk(commandReader io.RuneReader) *Bfuk {
 	return &Bfuk{
 		commandTape: NewCommandTape(commandReader),
+		tape:        NewTape(),
 	}
 }
 
@@ -72,11 +73,13 @@ func (bf *Bfuk) Run(inputReader io.ByteReader, outputWriter io.ByteWriter) error
 		err := bf.commandTape.MoveRight()
 
 		if err != nil {
-			break
+			if err == io.EOF {
+				return nil
+			}
+
+			return err
 		}
 
 		bf.handleCommand(inputReader, outputWriter)
 	}
-
-	return nil
 }
diff --git a/commandTape.go b/commandTape.go
@@ -24,9 +24,7 @@ func (ct *CommandTape) GetCurrentCommand() rune {
 }
 
 func (ct *CommandTape) MoveRight() error {
-	ct.commandPointer++
-
-	if ct.commandPointer == len(ct.parsedCommands) {
+	if ct.commandPointer == len(ct.parsedCommands)-1 {
 		r, _, err := ct.commandReader.ReadRune()
 
 		if err != nil {
@@ -36,6 +34,8 @@ func (ct *CommandTape) MoveRight() error {
 		ct.parsedCommands = append(ct.parsedCommands, r)
 	}
 
+	ct.commandPointer++
+
 	return nil
 }