From 8b02cc65072b8c6b189b104926ff5a3767e3722b Mon Sep 17 00:00:00 2001
From: jantuomi <jans.tuomi@gmail.com>
Date: Thu, 1 Sep 2016 15:02:21 +0300
Subject: Add splice

---
 src/runtime.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/runtime.cpp')

diff --git a/src/runtime.cpp b/src/runtime.cpp
index 7519ea9..d4c9154 100644
--- a/src/runtime.cpp
+++ b/src/runtime.cpp
@@ -22,6 +22,9 @@ void Runtime::runCommand(const Token& token) {
     else if (lexeme == "O") {
         doPrintAscii();
     }
+    else if (lexeme == ":") {
+        doSplice();
+    }
 }
 
 void Runtime::run(std::vector<Token>& tokens) {
@@ -52,3 +55,11 @@ void Runtime::doSum() {
 
     m_values.push_back(sum);
 }
+
+void Runtime::doSplice() {
+    int count = m_values.back();
+    m_values.pop_back();
+
+    std::vector<int> spliced(m_values.begin(), m_values.begin() + count);
+    m_values = spliced;
+}
-- 
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