diff options
Diffstat (limited to 't3.init')
| -rw-r--r-- | t3.init | 98 |
1 files changed, 77 insertions, 21 deletions
@@ -16,8 +16,8 @@ (define (scheme-implementation-version) "3.1") -;;; (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) @@ -59,24 +59,70 @@ ;(slib:load-source "filename") compiled ;can load compiled files ;(slib:load-compiled "filename") - rev3-report - rev4-optional-procedures - rev3-procedures - rev2-procedures - multiarg/and- - multiarg-apply - rationalize - object-hash - delay - i/o-redirection + + ;; 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? - with-file - transcript - full-continuation + 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. + with-file ;has WITH-INPUT-FROM-FILE and + ;WITH-OUTPUT-FROM-FILE + transcript ;TRANSCRIPT-ON and TRANSCRIPT-OFF +; ieee-floating-point ;conforms to IEEE Standard 754-1985 + ;IEEE Standard for Binary + ;Floating-Point Arithmetic. + full-continuation ;can return multiple times + + ;; 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 - format +; object->string + format ;Common-lisp output formatting trace ;has macros: TRACE and UNTRACE - program-arguments +; compiler ;has (COMPILER) +; ed ;(ED) is editor +; system ;posix (system <string>) +; getenv ;posix (getenv <string>) + program-arguments ;returns list of strings (argv) +; current-time ;returns time in seconds since 1/1/1970 + + ;; Implementation Specific features + + i/o-redirection )) (define substring @@ -174,6 +220,13 @@ (define delete-file file-delete) +;;; "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) @@ -242,12 +295,15 @@ (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 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 #\tab) |