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-rw-r--r--Template.scm116
1 files changed, 70 insertions, 46 deletions
diff --git a/Template.scm b/Template.scm
index 9d30d40..6421d92 100644
--- a/Template.scm
+++ b/Template.scm
@@ -13,8 +13,8 @@
(define (scheme-implementation-type) 'Template)
-;;; (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) #f)
@@ -30,7 +30,7 @@
(define (implementation-vicinity)
(case (software-type)
- ((UNIX) "/usr/local/src/scheme/")
+ ((UNIX) "/usr/local/src/scheme/")
((VMS) "scheme$src:")
((MS-DOS) "C:\\scheme\\")))
@@ -68,57 +68,69 @@
;(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.
-; rev4-optional-procedures ;LIST-TAIL, STRING->LIST,
+
+ ;; 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!
+
+ 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 ;R5RS two-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
+ ;; 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
-; queue ;queues
; 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>)
@@ -150,6 +162,13 @@
;;; CALL-WITH-INPUT-STRING and CALL-WITH-OUTPUT-STRING are the string
;;; port versions of CALL-WITH-*PUT-FILE.
+;;; "rationalize" adjunct procedures.
+;;(define (find-ratio x e)
+;; (let ((rat (rationalize x e)))
+;; (list (numerator rat) (denominator rat))))
+;;(define (find-ratio-between x y)
+;; (find-ratio (/ (+ x y) 2) (/ (- x y) 2)))
+
;;; CHAR-CODE-LIMIT is one greater than the largest integer which can
;;; be returned by CHAR->INTEGER.
(define char-code-limit 256)
@@ -175,18 +194,20 @@
(define (defmacro? m) (and (assq m *defmacros*) #t))
(define (macroexpand-1 e)
- (if (pair? e) (let ((a (car e)))
- (cond ((symbol? a) (set! a (assq a *defmacros*))
- (if a (apply (cdr a) (cdr e)) e))
- (else e)))
+ (if (pair? e)
+ (let ((a (car e)))
+ (cond ((symbol? a) (set! a (assq a *defmacros*))
+ (if a (apply (cdr a) (cdr e)) e))
+ (else e)))
e))
(define (macroexpand e)
- (if (pair? e) (let ((a (car e)))
- (cond ((symbol? a)
- (set! a (assq a *defmacros*))
- (if a (macroexpand (apply (cdr a) (cdr e))) e))
- (else e)))
+ (if (pair? e)
+ (let ((a (car e)))
+ (cond ((symbol? a)
+ (set! a (assq a *defmacros*))
+ (if a (macroexpand (apply (cdr a) (cdr e))) e))
+ (else e)))
e))
(define gentemp
@@ -201,6 +222,9 @@
(define (defmacro:expand* x)
(require 'defmacroexpand) (apply defmacro:expand* x '()))
+(define (defmacro:load <pathname>)
+ (slib:eval-load <pathname> defmacro:eval))
+
(define (slib:eval-load <pathname> evl)
(if (not (file-exists? <pathname>))
(set! <pathname> (string-append <pathname> (scheme-file-suffix))))
@@ -213,17 +237,17 @@
(evl o))
(set! *load-pathname* old-load-pathname)))))
-(define (defmacro:load <pathname>)
- (slib:eval-load <pathname> defmacro:eval))
-
(define slib:warn
(lambda args
- (let ((port (current-error-port)))
- (display "Warn: " port)
- (for-each (lambda (x) (display x port)) 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 error)
+(define (slib:error . args)
+ (if (provided? 'trace) (print-call-stack (current-error-port)))
+ (apply error args))
;;; define these as appropriate for your system.
(define slib:tab (integer->char 9))