From 87b82b5822ca54228cfa6df29be3ad9d4bc47d16 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Mon, 20 Feb 2017 00:05:28 -0800
Subject: Import Upstream version 2d2

---
 STk.init | 92 ++++++++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 58 insertions(+), 34 deletions(-)

(limited to 'STk.init')

diff --git a/STk.init b/STk.init
index 47c2e2d..b4f256d 100644
--- a/STk.init
+++ b/STk.init
@@ -6,7 +6,7 @@
 (require "unix")
 
 ;;; (software-type) should be set to the generic operating system type.
-;;; UNIX, VMS, MACOS, AMIGA and MSDOS are supported.
+;;; UNIX, VMS, MACOS, AMIGA and MS-DOS are supported.
 
 (define (software-type) 'UNIX)
 
@@ -15,8 +15,8 @@
 
 (define (scheme-implementation-type) '|STk|)
 
-;;; (scheme-implementation-home-page) should return a (string) URL
-;;; (Uniform Resource Locator) for this scheme implementation's home
+;;; (scheme-implementation-home-page) should return a (string) URI
+;;; (Uniform Resource Identifier) for this scheme implementation's home
 ;;; page; or false if there isn't one.
 
 (define (scheme-implementation-home-page)
@@ -40,8 +40,11 @@
   (let ((library-path (or (getenv "SCHEME_LIBRARY_PATH") "/usr/local/lib/slib/")))
     (lambda () library-path)))
 
-;;; 
-;;;
+
+;;; (home-vicinity) should return the vicinity of the user's HOME
+;;; directory, the directory which typically contains files which
+;;; customize a computer environment for a user.
+
 (define home-vicinity
   (let ((home-path (or (getenv "HOME") "/")))
     (lambda () home-path)))
@@ -55,56 +58,69 @@
 					;(slib:load-source "filename")
 	compiled			;can load compiled files
 					;(slib:load-compiled "filename")
-	rev4-report			;conforms to
-;	rev3-report			;conforms to
-;	ieee-p1178			;conforms to
-;	sicp				;runs code from Structure and
-					;Interpretation of Computer
-					;Programs by Abelson and Sussman.
+
+		       ;; Scheme report features
+
+;	rev5-report			;conforms to
+	eval				;R5RS two-argument eval
+;	values				;R5RS multiple values
+	dynamic-wind			;R5RS dynamic-wind
+;	macro				;R5RS high level macros
+	delay				;has DELAY and FORCE
+	multiarg-apply			;APPLY can take more than 2 args.
+;	char-ready?
+;	rationalize
 	rev4-optional-procedures	;LIST-TAIL, STRING->LIST,
 					;LIST->STRING, STRING-COPY,
 					;STRING-FILL!, LIST->VECTOR,
 					;VECTOR->LIST, and VECTOR-FILL!
-;	rev3-procedures			;LAST-PAIR, T, and NIL
+
+	rev4-report			;conforms to
+
+	ieee-p1178			;conforms to
+
+;	rev3-report			;conforms to
+
 ;	rev2-procedures			;SUBSTRING-MOVE-LEFT!,
 					;SUBSTRING-MOVE-RIGHT!,
 					;SUBSTRING-FILL!,
 					;STRING-NULL?, APPEND!, 1+,
 					;-1+, <?, <=?, =?, >?, >=?
+;	object-hash			;has OBJECT-HASH
+
 	multiarg/and-			;/ and - can take more than 2 args.
-	multiarg-apply			;APPLY can take more than 2 args.
-;	rationalize
-	delay				;has DELAY and FORCE
 	with-file			;has WITH-INPUT-FROM-FILE and
 					;WITH-OUTPUT-FROM-FILE
-	string-port			;has CALL-WITH-INPUT-STRING and
-					;CALL-WITH-OUTPUT-STRING
 ;	transcript			;TRANSCRIPT-ON and TRANSCRIPT-OFF
-;	char-ready?
-;	macro				;has R4RS high level macros
-;	defmacro			;has Common Lisp DEFMACRO
-	eval				;SLIB:EVAL is single argument eval
-;	record				;has user defined data structures
-;	values				;proposed multiple values
-	dynamic-wind			;proposed dynamic-wind
-	ieee-floating-point		;conforms to
+	ieee-floating-point		;conforms to IEEE Standard 754-1985
+					;IEEE Standard for Binary
+					;Floating-Point Arithmetic.
 	full-continuation		;can return multiple times
-;	object-hash			;has OBJECT-HASH
 
-;	sort				; commented because icomplete
-;	queue				;queues
+			;; Other common features
+
+	srfi				;srfi-0, COND-EXPAND finds all srfi-*
+;	sicp				;runs code from Structure and
+					;Interpretation of Computer
+					;Programs by Abelson and Sussman.
+;	defmacro			;has Common Lisp DEFMACRO
+;	record				;has user defined data structures
+	string-port			;has CALL-WITH-INPUT-STRING and
+					;CALL-WITH-OUTPUT-STRING
+;	sort
 ;	pretty-print
 ;	object->string
-;	format
+;	format				;Common-lisp output formatting
+;	trace				;has macros: TRACE and UNTRACE
 ;	compiler			;has (COMPILER)
 	ed				;(ED) is editor
 	system				;posix (system <string>)
 	getenv				;posix (getenv <string>)
 ;	program-arguments		;returns list of strings (argv)
-;	Xwindows			;X support
-;	curses				;screen management package
-;	termcap				;terminal description package
-;	terminfo			;sysV terminal description
+;	current-time			;returns time in seconds since 1/1/1970
+
+		  ;; Implementation Specific features
+
 	))
 
 ;;; (OUTPUT-PORT-WIDTH <port>)
@@ -178,13 +194,21 @@
 	  (evl o))
 	(set! *load-pathname* old-load-pathname)))))
 
+(define slib:warn
+  (lambda args
+    (let ((cep (current-error-port)))
+      (if (provided? 'trace) (print-call-stack cep))
+      (display "Warn: " cep)
+      (for-each (lambda (x) (display x cep)) args))))
+
 ;;; define an error procedure for the library
 (define (slib:error . args)
+  (if (provided? 'trace) (print-call-stack (current-error-port)))
   (error (apply string-append (map (lambda (x) (format #f " ~a" x)) args))))
 
 
 ;;; define these as appropriate for your system.
-(define slib:tab 	(integer->char 9))
+(define slib:tab	(integer->char 9))
 (define slib:form-feed  (integer->char 12))
 
 ;;; Define these if your implementation's syntax can support it and if
-- 
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