From 2015adc94a98744e0ff614a163201f69ecdaffcd Mon Sep 17 00:00:00 2001
From: Stefan Urbanek <stefan@agentfarms.net>
Date: Sun, 15 Jun 2003 10:14:47 +0000
Subject: [PATCH] Fixed signature creation

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@16927 72102866-910b-0410-8b05-ffd578937521
---
 ChangeLog                 |  1 +
 Examples/Shell/AppKit.txt |  2 +-
 Source/STObjCRuntime.m    | 52 ++++++++++++++++++++++++++++++++++++++-
 3 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d54f8bd..50f1016 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
 
     * NSInvocation+additions: added unknown selector creation; created a
     workaround for gnustep DO bug
+    * STObjCRuntime: Fixed creation of signature.
 
 2003 May 11 Stefan Urbanek <urbanek@host.sk>
 
diff --git a/Examples/Shell/AppKit.txt b/Examples/Shell/AppKit.txt
index b3c2127..ea79ab9 100644
--- a/Examples/Shell/AppKit.txt
+++ b/Examples/Shell/AppKit.txt
@@ -33,7 +33,7 @@ How to open a file using the open panel
 Text
 ----
 
-How to display an RTF file
+How to display a RTF file
 
     > text := NSAttributedString alloc
     > text initWithPath: file documentAttributes:nil
diff --git a/Source/STObjCRuntime.m b/Source/STObjCRuntime.m
index f82ebba..43412f1 100644
--- a/Source/STObjCRuntime.m
+++ b/Source/STObjCRuntime.m
@@ -154,11 +154,61 @@ SEL STSelectorFromString(NSString *aString)
     return sel;
 }
 
+SEL STCreateTypedSelector(SEL sel)
+{
+    const char *name = sel_get_name(sel);
+    const char *ptr;
+    int         argc = 0;
+
+    SEL         newSel;
+
+    ptr = name;
+
+    while(*ptr)
+    {
+        if(*ptr == ':')
+        {
+            argc ++;
+        }
+        ptr++;
+    }
+
+    if( argc < SELECTOR_TYPES_COUNT )
+    {
+        NSDebugLLog(@"STSending",
+                   @"registering selector '%s' "
+                   @"with %i arguments, types:'%s'",
+                    name,argc,selector_types[argc]);
+
+        newSel = sel_register_typed_name(name, selector_types[argc]);
+    }
+
+    if(!newSel)
+    {
+        [NSException raise:STInternalInconsistencyException
+                     format:@"Unable to register typed selector '%s'",
+                            name];
+        return NULL;
+    }
+
+    return newSel;
+}
+
 NSMethodSignature *STMethodSignatureForSelector(SEL sel)
 {
-    return [NSMethodSignature signatureWithObjCTypes:sel_get_type(sel)];
+    char *types;
+    
+    types = sel_get_type(sel);
+    
+    if(!types)
+    {
+        sel = STCreateTypedSelector(sel);
+        types = sel_get_type(sel);
+    }
+    return [NSMethodSignature signatureWithObjCTypes:types];
 }
 
+
 static NSArray *selectors_from_list(struct objc_method_list *methods)
 {
     NSMutableArray *array = [NSMutableArray array];