From 135602b2853de8664f95a5deeaa44e175107f7be Mon Sep 17 00:00:00 2001
From: jantuomi <jans.tuomi@gmail.com>
Date: Fri, 5 Aug 2016 09:58:23 +0300
Subject: Make 'output' function utilize IO printLine

---
 .../core/runtime/builtins/globals/InputBuiltinFunction.java   |  1 -
 .../core/runtime/builtins/globals/OutputBuiltinFunction.java  |  3 ++-
 src/main/com/jantuomi/tunkki/repl/Repl.java                   |  3 +--
 src/main/com/jantuomi/tunkki/utils/IO.java                    | 11 +++++++++++
 4 files changed, 14 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/InputBuiltinFunction.java b/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/InputBuiltinFunction.java
index 26df094..3625541 100644
--- a/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/InputBuiltinFunction.java
+++ b/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/InputBuiltinFunction.java
@@ -35,6 +35,5 @@ public class InputBuiltinFunction extends BuiltinFunction {
             e.printStackTrace();
             return new NadaDatatype();
         }
-
     }
 }
diff --git a/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/OutputBuiltinFunction.java b/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/OutputBuiltinFunction.java
index 7a7d6fa..e4857c0 100644
--- a/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/OutputBuiltinFunction.java
+++ b/src/main/com/jantuomi/tunkki/core/runtime/builtins/globals/OutputBuiltinFunction.java
@@ -3,6 +3,7 @@ package com.jantuomi.tunkki.core.runtime.builtins.globals;
 import com.jantuomi.tunkki.core.parser.datatype.Datatype;
 import com.jantuomi.tunkki.core.parser.datatype.VoidDatatype;
 import com.jantuomi.tunkki.exception.types.TunkkiError;
+import com.jantuomi.tunkki.utils.IO;
 
 import java.util.Arrays;
 import java.util.List;
@@ -20,7 +21,7 @@ public class OutputBuiltinFunction extends BuiltinFunction {
     @Override
     public Datatype evaluate(List<Datatype> params) throws TunkkiError {
         Datatype param = params.get(0);
-        System.out.println(param.getData().toString());
+        IO.getInstance().printLine(param.getData().toString());
         return new VoidDatatype();
     }
 }
diff --git a/src/main/com/jantuomi/tunkki/repl/Repl.java b/src/main/com/jantuomi/tunkki/repl/Repl.java
index c6d843b..0b415b8 100644
--- a/src/main/com/jantuomi/tunkki/repl/Repl.java
+++ b/src/main/com/jantuomi/tunkki/repl/Repl.java
@@ -24,7 +24,6 @@ public class Repl {
 
         String line;
         String command = "";
-        PrintWriter out = new PrintWriter(System.out);
         boolean isMultilineInput = false;
         while (true)  {
             if (isMultilineInput) {
@@ -49,7 +48,7 @@ public class Repl {
                 }
             }
 
-            out.flush();
+            IO.getInstance().flush();
         }
     }
 
diff --git a/src/main/com/jantuomi/tunkki/utils/IO.java b/src/main/com/jantuomi/tunkki/utils/IO.java
index ec3ac2a..03e575c 100644
--- a/src/main/com/jantuomi/tunkki/utils/IO.java
+++ b/src/main/com/jantuomi/tunkki/utils/IO.java
@@ -3,6 +3,7 @@ package com.jantuomi.tunkki.utils;
 import jline.console.ConsoleReader;
 
 import java.io.IOException;
+import java.io.PrintWriter;
 
 /**
  * Created by jan on 4.8.2016.
@@ -10,6 +11,7 @@ import java.io.IOException;
 public class IO {
     private static IO instance = new IO();
     private ConsoleReader reader;
+    private PrintWriter printer;
 
     public static IO getInstance() {
         return instance;
@@ -18,6 +20,7 @@ public class IO {
     private IO() {
         try {
             reader = new ConsoleReader();
+            printer = new PrintWriter(System.out);
         } catch (IOException e) {
             e.printStackTrace();
         }
@@ -31,4 +34,12 @@ public class IO {
         String line = reader.readLine();
         return line.trim();
     }
+
+    public void printLine(String line) {
+        printer.println(line);
+    }
+
+    public void flush() {
+        printer.flush();
+    }
 }
-- 
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