stuff

src/main/java/brainfuck/interpreter/BfInterpreter.java

@@ -0,0 +1,65 @@
+package brainfuck.interpreter;
+
+import java.io.UnsupportedEncodingException;
+import java.util.Scanner;
+
+/**
+ * Brainfuck interpreter.
+ * 
+ * @author Sem van der Hoeven
+ */
+public class BfInterpreter {
+
+    private char[] code;
+    private byte[] memory;
+    private Scanner sc;
+
+    public final int MAX_SIZE = 65535;
+
+    public BfInterpreter(String code) throws Exception {
+        if (code == null) {
+            throw new Exception("The code cannot be null!");
+        }
+
+        this.sc = new Scanner(System.in);
+        this.code = code.toCharArray();
+        this.memory = new byte[MAX_SIZE];
+    }
+
+    public void interpret() {
+        int pointer = 0;
+        for (int i = 0; i < this.code.length; i++) {
+            switch (this.code[i]) {
+            case '+':
+                memory[pointer]++;
+                break;
+            case '-':
+                memory[pointer]--;
+                break;
+            case '>':
+                pointer++;
+                break;
+            case '<':
+                pointer--;
+                break;
+            case '.':
+                System.out.print(String.valueOf((char) memory[pointer]));
+                break;
+            case ',':
+                memory[pointer] = sc.next().trim().getBytes()[0];
+                break;
+            case '[': // als de memory[pointer] 0 is, spring naar de plek na de volgende ] ipv een vooruit
+                    
+                break;
+            case ']': // als de memory[pointer] niet 0 is, spring terug naar de plek voor de vorige [ ipv een vooruit
+
+                break;
+
+            default:
+                break;
+            }
+        }
+
+    }
+
+}