diff options
Diffstat (limited to 'macscheme.init')
| -rw-r--r-- | macscheme.init | 86 |
1 files changed, 54 insertions, 32 deletions
diff --git a/macscheme.init b/macscheme.init index 16c53bb..72d9259 100644 --- a/macscheme.init +++ b/macscheme.init @@ -15,8 +15,8 @@ (define (scheme-implementation-type) 'MacScheme) -;;; (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) @@ -50,58 +50,71 @@ '( source ;can load scheme source files ;(slib:load-source "filename") -; compiled ;can load compiled files + 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 -; 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>) @@ -145,6 +158,13 @@ (close-input-port insp) res)) +;;; "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) @@ -213,13 +233,15 @@ (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 (lambda args + (if (provided? 'trace) (print-call-stack (current-error-port))) (cerror "Error: " args))) ;;; define these as appropriate for your system. |