diff options
Diffstat (limited to 'vscm.init')
| -rw-r--r-- | vscm.init | 84 |
1 files changed, 51 insertions, 33 deletions
@@ -44,8 +44,8 @@ (define (scheme-implementation-type) 'Vscm) -;;; (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) @@ -97,64 +97,73 @@ ;(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 2-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 ;proposed 2-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 )) ;;; (OBJECT->STRING obj) -- analogous to WRITE (define object->string string-write) ;;; (PROGRAM-ARGUMENTS) -;;; +;;; (define (program-arguments) command-line-arguments) ;;; (OUTPUT-PORT-WIDTH <port>) @@ -252,6 +261,13 @@ (open-output-generic write display write-char newline flush close))) +;;; "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) @@ -320,12 +336,14 @@ (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 . argl) + (if (provided? 'trace) (print-call-stack (current-error-port))) (error argl)) ;;; define these as appropriate for your system. |