From 0fc2324c1cc28dd80b13d34a030576a20d887066 Mon Sep 17 00:00:00 2001
From: Matthias Andreas Benkard <matthias@benkard.de>
Date: Thu, 31 Jul 2008 12:48:11 +0200
Subject: Reader: Support #\.

---
 MLKRoot.m      | 20 +++++++++++++++++++-
 init.lisp      |  1 +
 sharpsign.lisp | 31 +++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 sharpsign.lisp

diff --git a/MLKRoot.m b/MLKRoot.m
index 4b8356f..f155733 100644
--- a/MLKRoot.m
+++ b/MLKRoot.m
@@ -523,7 +523,25 @@ static id truify (BOOL value)
   for (i = 2; i < [args count]; i++)
     {
       id argument = denullify ([args objectAtIndex:i]);
-      [invocation setArgument:&argument atIndex:i];
+      const char *type = [signature getArgumentTypeAtIndex:i];
+
+      if (strcmp (type, @encode(unichar)) == 0)
+        {
+          unichar arg;
+          if ([argument isKindOfClass:[MLKCharacter class]])
+            arg = [argument unicharValue];
+          else if ([argument isKindOfClass:[MLKInteger class]])
+            arg = [argument intValue];
+          else
+            [NSException raise:@"MLKInvalidArgumentError"
+                         format:@"Don't know how to coerce %@ into type \"%s\".",
+                                argument, type];
+          [invocation setArgument:&arg atIndex:i];
+        }
+      else
+        {
+          [invocation setArgument:&argument atIndex:i];
+        }
     }
 
   [invocation invoke];
diff --git a/init.lisp b/init.lisp
index 876ff74..7a57779 100644
--- a/init.lisp
+++ b/init.lisp
@@ -25,6 +25,7 @@
 (load "defun-1.lisp")
 (load "list-functions.lisp")
 (load "reader.lisp")
+(load "sharpsign.lisp")
 (load "control-flow.lisp")
 (load "types.lisp")
 (load "list-functions-2.lisp")
diff --git a/sharpsign.lisp b/sharpsign.lisp
new file mode 100644
index 0000000..93b2f4c
--- /dev/null
+++ b/sharpsign.lisp
@@ -0,0 +1,31 @@
+;;; -*- mode: lisp; 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/>.
+
+
+(in-package #:common-lisp)
+
+(defun |#\-READER| (stream char &optional arg)
+  ;; FIXME: Handle #\Newline etc..
+  (send-by-name stream "readChar"))
+
+(set-dispatch-macro-character (send-by-name (find-objc-class "MLKCharacter")
+                                            "characterWithUnichar:"
+                                            35)
+                              (send-by-name (find-objc-class "MLKCharacter")
+                                            "characterWithUnichar:"
+                                            92)
+                              (function |#\-READER|))
-- 
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