add new repoHEADmaster

1 files changed, 15 insertions, 0 deletions

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/EvalVisitor.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/EvalVisitor.java
new file mode 100644
index 0000000..21b2f67
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/EvalVisitor.java
@@ -0,0 +1,15 @@
+package swa.prakt3;
+
+public class EvalVisitor implements Visitor {
+	@Override
+	public Number visit(ArithmeticOperation ao, Iterator it) {
+		Number leftRes = it.traverse(ao.getLeftOperand(), this);
+		Number rightRes = it.traverse(ao.getRightOperand(), this);
+		return ao.doOperation(leftRes, rightRes);
+	}
+
+	@Override
+	public Number visit(ArithmeticVariable av) {
+		return av.getValue();
+	}
+}