From 95a9fe16b5999ba28b86398ce1e23af6ae3dbf89 Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Sun, 4 Dec 2016 14:00:01 +0900
Subject: [PATCH] Make runSlot faster

---
 SMILEBASIC/petitcomputer.d | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/SMILEBASIC/petitcomputer.d b/SMILEBASIC/petitcomputer.d
index abfedbf..bf2e94b 100644
--- a/SMILEBASIC/petitcomputer.d
+++ b/SMILEBASIC/petitcomputer.d
@@ -751,7 +751,17 @@ class PetitComputer
         int oldpc;
         void runSlot(int lot)
         {
-            parser = new Parser(std.algorithm.reduce!("a ~ b")(slot[lot].program.opSlice));
+            import std.algorithm.iteration, std.outbuffer;
+            auto buffer = new OutBuffer();
+            buffer.reserve(slot[lot].program.opSlice.map!"(a.length + 1) * 2".sum);
+
+            foreach(line; slot[lot].program)
+            {
+                buffer.write(line);
+            }
+            ubyte[] progbuff = buffer.toBytes;
+            wchar[] progbuff2 = (cast(wchar*)progbuff.ptr)[0..progbuff.length / 2];
+            parser = new Parser(cast(wstring)progbuff2);
             try
             {
                 vm = parser.compile();