From a532338ca642ed386270047aefc56ed11ef120d3 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Sat, 24 Nov 2012 18:19:52 +0100
Subject: fixed command line termination

 * do it only in start state: so double escapes in strings do not cause a termination and an empty string may be specified
 * clear arithmetic stacks on line termination
---
 expressions.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'expressions.h')

diff --git a/expressions.h b/expressions.h
index 5d2aa0c..a441e90 100644
--- a/expressions.h
+++ b/expressions.h
@@ -100,6 +100,12 @@ public:
 	{
 		return top[-index];
 	}
+
+	inline void
+	clear(void)
+	{
+		top = stack;
+	}
 };
 
 /*
@@ -172,6 +178,13 @@ public:
 
 	int find_op(Operator op);
 
+	inline void
+	clear(void)
+	{
+		numbers.clear();
+		operators.clear();
+	}
+
 private:
 	void calc(void);
 
-- 
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