--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/luan/impl/ReturnStmt.java	Sun Jun 22 04:17:38 2014 +0000
@@ -0,0 +1,39 @@
+package luan.impl;
+
+import luan.Luan;
+import luan.LuanException;
+import luan.LuanFunction;
+import luan.LuanSource;
+
+
+final class ReturnStmt extends CodeImpl implements Stmt {
+	private final Expressions expressions;
+	private final Expr tailFnExpr;
+	boolean throwReturnException = true;
+
+	ReturnStmt(LuanSource.Element se,Expressions expressions) {
+		super(se);
+		if( expressions instanceof FnCall ) {  // tail call
+			FnCall fnCall = (FnCall)expressions;
+			this.expressions = fnCall.args;
+			this.tailFnExpr = fnCall.fnExpr;
+		} else {
+			this.expressions = expressions;
+			this.tailFnExpr = null;
+		}
+	}
+
+	@Override public void eval(LuanStateImpl luan) throws LuanException {
+		luan.returnValues = expressions.eval(luan);
+		if( tailFnExpr != null ) {
+			LuanFunction tailFn = luan.bit(se).checkFunction( tailFnExpr.eval(luan) );
+			if( tailFn instanceof Closure ) {
+				luan.tailFn = (Closure)tailFn;
+			} else {
+				luan.returnValues =  luan.bit(tailFnExpr.se()).call(tailFn,tailFnExpr.se().text(),Luan.array(luan.returnValues));
+			}
+		}
+		if( throwReturnException )
+			throw new ReturnException();
+	}
+}