From: Chris Hanson <org/chris-hanson/cph>
Date: Wed, 18 Sep 1991 20:05:55 +0000 (+0000)
Subject: Redefine #!optional and #!rest to be something distinct from symbols.
X-Git-Tag: 20090517-FFI~10199
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=e1db131701b83ff9713d9a19a347bfb27d5540db;p=mit-scheme.git

Redefine #!optional and #!rest to be something distinct from symbols.
---

diff --git a/v7/src/runtime/parse.scm b/v7/src/runtime/parse.scm
index ad33f4b0e..ed4c80c89 100644
--- a/v7/src/runtime/parse.scm
+++ b/v7/src/runtime/parse.scm
@@ -1,8 +1,8 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/parse.scm,v 14.15 1991/08/27 23:20:30 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/parse.scm,v 14.16 1991/09/18 20:00:17 cph Exp $
 
-Copyright (c) 1988, 1989, 1990 Massachusetts Institute of Technology
+Copyright (c) 1988-91 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -57,8 +57,8 @@ MIT in each case. |#
 			     (char-set #\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9
 				       #\+ #\- #\. #\#)))
 
-  (set! lambda-optional-tag (intern "#!optional"))
-  (set! lambda-rest-tag (intern "#!rest"))
+  (set! lambda-optional-tag (object-new-type (ucode-type true) 3))
+  (set! lambda-rest-tag (object-new-type (ucode-type true) 4))
   (set! dot-symbol (intern "."))
   (set! named-objects
 	`((NULL . ,(list))
diff --git a/v7/src/runtime/runtime.pkg b/v7/src/runtime/runtime.pkg
index 78bfea77f..30232cf19 100644
--- a/v7/src/runtime/runtime.pkg
+++ b/v7/src/runtime/runtime.pkg
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/runtime.pkg,v 14.122 1991/09/08 02:57:03 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/runtime.pkg,v 14.123 1991/09/18 20:01:00 cph Exp $
 
 Copyright (c) 1988-91 Massachusetts Institute of Technology
 
@@ -1348,6 +1348,9 @@ MIT in each case. |#
   (export (runtime syntaxer)
 	  lambda-optional-tag
 	  lambda-rest-tag)
+  (export (runtime unparser)
+	  lambda-optional-tag
+	  lambda-rest-tag)
   (export (runtime macros)
 	  lambda-optional-tag)
   (export (runtime unsyntaxer)
diff --git a/v7/src/runtime/unpars.scm b/v7/src/runtime/unpars.scm
index 73b6fc271..3a8a59f67 100644
--- a/v7/src/runtime/unpars.scm
+++ b/v7/src/runtime/unpars.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/unpars.scm,v 14.23 1991/08/27 23:21:20 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/unpars.scm,v 14.24 1991/09/18 20:00:45 cph Exp $
 
 Copyright (c) 1988-91 Massachusetts Institute of Technology
 
@@ -279,6 +279,8 @@ MIT in each case. |#
 (define (unparse/true object)
   (cond ((eq? object true) (*unparse-string "#T"))
 	((undefined-value? object) (*unparse-string "#[undefined-value]"))
+	((eq? object lambda-optional-tag) (*unparse-string "#!optional"))
+	((eq? object lambda-rest-tag) (*unparse-string "#!rest"))
 	(else (unparse/default object))))
 
 (define (unparse/return-address return-address)
diff --git a/v7/src/runtime/version.scm b/v7/src/runtime/version.scm
index 4b8162ff8..ab6bec903 100644
--- a/v7/src/runtime/version.scm
+++ b/v7/src/runtime/version.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/version.scm,v 14.139 1991/09/08 02:58:16 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/version.scm,v 14.140 1991/09/18 20:05:55 cph Exp $
 
 Copyright (c) 1988-91 Massachusetts Institute of Technology
 
@@ -45,7 +45,7 @@ MIT in each case. |#
 		     '()))
   (add-system! microcode-system)
   (add-event-receiver! event:after-restore snarf-microcode-version!)
-  (add-identification! "Runtime" 14 139))
+  (add-identification! "Runtime" 14 140))
 
 (define microcode-system)
 
diff --git a/v8/src/runtime/runtime.pkg b/v8/src/runtime/runtime.pkg
index eec2b102c..355091b65 100644
--- a/v8/src/runtime/runtime.pkg
+++ b/v8/src/runtime/runtime.pkg
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v8/src/runtime/runtime.pkg,v 14.122 1991/09/08 02:57:03 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v8/src/runtime/runtime.pkg,v 14.123 1991/09/18 20:01:00 cph Exp $
 
 Copyright (c) 1988-91 Massachusetts Institute of Technology
 
@@ -1348,6 +1348,9 @@ MIT in each case. |#
   (export (runtime syntaxer)
 	  lambda-optional-tag
 	  lambda-rest-tag)
+  (export (runtime unparser)
+	  lambda-optional-tag
+	  lambda-rest-tag)
   (export (runtime macros)
 	  lambda-optional-tag)
   (export (runtime unsyntaxer)