From 02cc0eae49d0008ca9a90330c2221809f7cf4379 Mon Sep 17 00:00:00 2001
From: Nat Quayle Nelson <natquaylenelson@gmail.com>
Date: Sun, 17 Jan 2021 19:03:45 -0700
Subject: [PATCH] Print error messages to stderr, not stdout

---
 src/kiss/Kiss.hx   | 8 ++++----
 src/kiss/Reader.hx | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/kiss/Kiss.hx b/src/kiss/Kiss.hx
index 14ac97a..685569d 100644
--- a/src/kiss/Kiss.hx
+++ b/src/kiss/Kiss.hx
@@ -63,16 +63,16 @@ class Kiss {
         try {
             return operation();
         } catch (err:CompileError) {
-            Sys.println(err);
+            Sys.stderr().writeString(err + "\n");
             Sys.exit(1);
             return null;
         } catch (err:UnmatchedBracketSignal) {
-            Sys.println(Stream.toPrint(err.position) + ': Unmatched ${err.type}');
+            Sys.stderr().writeString(Stream.toPrint(err.position) + ': Unmatched ${err.type}\n');
             Sys.exit(1);
             return null;
         } catch (err:Exception) {
-            Prelude.print("Error: " + err.message);
-            Prelude.print(err.stack.toString());
+            Sys.stderr().writeString("Error: " + err.message + "\n");
+            Sys.stderr().writeString(err.stack.toString() + "\n");
             Sys.exit(1);
             return null;
         }
diff --git a/src/kiss/Reader.hx b/src/kiss/Reader.hx
index 2bf429d..9d90217 100644
--- a/src/kiss/Reader.hx
+++ b/src/kiss/Reader.hx
@@ -99,8 +99,8 @@ class Reader {
     public static function nextToken(stream:Stream, expect:String) {
         var tok = stream.expect(expect, () -> stream.takeUntilOneOf(terminators));
         if (tok.length == 0) {
-            Sys.println('Kiss reader error!');
-            Sys.println(stream.position().toPrint() + ': Expected $expect');
+            Sys.stderr().writeString('Kiss reader error!\n');
+            Sys.stderr().writeString(stream.position().toPrint() + ': Expected $expect\n');
             Sys.exit(1);
         }
         return tok;