Reader: Support comments introduced by semicolons.

1 files changed, 45 insertions, 0 deletions

diff --git a/MLKSemicolonReader.m b/MLKSemicolonReader.m
new file mode 100644
index 0000000..abf921b
--- /dev/null
+++ b/MLKSemicolonReader.m
@@ -0,0 +1,45 @@
+/* -*- mode: objc; coding: utf-8 -*- */
+/* Étoilisp/Mulklisp, a Common Lisp subset for the Étoilé runtime.
+ * Copyright (C) 2008  Matthias Andreas Benkard.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "MLKSemicolonReader.h"
+
+#import "MLKCons.h"
+#import "MLKStream.h"
+#import "runtime-compatibility.h"
+
+
+@implementation MLKSemicolonReader
+-(NSArray *) applyToArray:(NSArray *)arguments
+{
+  MLKStream *stream;
+  unichar nextChar;
+  
+  stream = [arguments objectAtIndex:0];
+
+  while (![stream isEOF])
+    {
+      if ((nextChar = [stream readChar]) == '\n')
+        {
+          [stream unreadChar:nextChar];
+          break;
+        }
+    }
+  
+  return [NSArray array];
+}
+@end