initial commit

1 files changed, 41 insertions, 0 deletions

diff --git a/project/QBarInterpreter/src/com/modulus/qbar/lang/IfThenElseFunction.java b/project/QBarInterpreter/src/com/modulus/qbar/lang/IfThenElseFunction.java
new file mode 100644
index 0000000..8efbc5e
--- /dev/null
+++ b/project/QBarInterpreter/src/com/modulus/qbar/lang/IfThenElseFunction.java
@@ -0,0 +1,41 @@
+package com.modulus.qbar.lang;
+
+import com.modulus.common.collections.Stack;
+import com.modulus.qbar.core.QBFunction;
+import com.modulus.qbar.core.QBObject;
+import com.modulus.qbar.core.interpreter.QBInterpreter;
+import com.modulus.qbar.core.parser.ByteOperation;
+import com.modulus.qbar.core.primitive.QBPrimitive;
+
+public class IfThenElseFunction extends QBFunction {
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 6694512700264765780L;
+	private ByteOperation[] ifPart, thenPart, elsePart;
+	
+
+	public IfThenElseFunction(ByteOperation[] ifPart,
+			ByteOperation[] thenPart, ByteOperation[] elsePart) {
+		super(0);
+		this.ifPart = ifPart;
+		this.thenPart = thenPart;
+		this.elsePart = elsePart;
+	}
+
+
+	@Override
+	public QBObject execute(QBObject[] args) {
+		Stack<QBObject> stack = QBInterpreter.instance().getStack();
+		this.exec(ifPart, stack);
+		
+		if(returnedValue instanceof QBPrimitive && ((QBPrimitive) returnedValue).intValue() != 0){
+			this.exec(thenPart, stack);
+			return returnedValue;
+		} else{
+			this.exec(elsePart, stack);
+			return returnedValue;
+		}
+	}
+
+}