| 1 | ;;; "guile.init" configuration template of *features* for Scheme -*-scheme-*- |
| 2 | ;;; Author: Aubrey Jaffer |
| 3 | ;;; |
| 4 | ;;; This code is in the public domain. |
| 5 | |
| 6 | ;;; (software-type) should be set to the generic operating system type. |
| 7 | ;;; UNIX, VMS, MACOS, AMIGA and MS-DOS are supported. |
| 8 | |
| 9 | (define (software-type) 'UNIX) |
| 10 | |
| 11 | ;;; (scheme-implementation-type) should return the name of the scheme |
| 12 | ;;; implementation loading this file. |
| 13 | |
| 14 | (define (scheme-implementation-type) 'Guile) |
| 15 | |
| 16 | ;;; (scheme-implementation-home-page) should return a (string) URI |
| 17 | ;;; (Uniform Resource Identifier) for this scheme implementation's home |
| 18 | ;;; page; or false if there isn't one. |
| 19 | |
| 20 | (define (scheme-implementation-home-page) "http://www.gnu.org/software/guile/") |
| 21 | |
| 22 | ;;; (scheme-implementation-version) should return a string describing |
| 23 | ;;; the version the scheme implementation loading this file. |
| 24 | |
| 25 | (define scheme-implementation-version version) |
| 26 | |
| 27 | ;;; (implementation-vicinity) should be defined to be the pathname of |
| 28 | ;;; the directory where any auxillary files to your Scheme |
| 29 | ;;; implementation reside. |
| 30 | |
| 31 | (define implementation-vicinity |
| 32 | (let ((path (string-append (%package-data-dir) "/"))) |
| 33 | (lambda () path))) |
| 34 | |
| 35 | ;;; (library-vicinity) should be defined to be the pathname of the |
| 36 | ;;; directory where files of Scheme library functions reside. |
| 37 | |
| 38 | (define library-vicinity |
| 39 | (let ((library-path |
| 40 | (or |
| 41 | ;; Use this getenv if your implementation supports it. |
| 42 | (getenv "SCHEME_LIBRARY_PATH") |
| 43 | ;; Use this path if your scheme does not support GETENV |
| 44 | ;; or if SCHEME_LIBRARY_PATH is not set. |
| 45 | (let ((this-file (port-filename (current-load-port)))) |
| 46 | (substring this-file 0 (- (string-length this-file) 10)))))) |
| 47 | (lambda () library-path))) |
| 48 | |
| 49 | ;;; (home-vicinity) should return the vicinity of the user's HOME |
| 50 | ;;; directory, the directory which typically contains files which |
| 51 | ;;; customize a computer environment for a user. |
| 52 | |
| 53 | (define home-vicinity |
| 54 | (let ((home-path (getenv "HOME"))) |
| 55 | (lambda () home-path))) |
| 56 | |
| 57 | ;;; *FEATURES* should be set to a list of symbols describing features |
| 58 | ;;; of this implementation. Suggestions for features are: |
| 59 | |
| 60 | (define *features* |
| 61 | '( |
| 62 | source ;can load scheme source files |
| 63 | ;(slib:load-source "filename") |
| 64 | compiled ;can load compiled files |
| 65 | ;(slib:load-compiled "filename") |
| 66 | rev4-report ;conforms to |
| 67 | rev3-report ;conforms to |
| 68 | ieee-p1178 ;conforms to |
| 69 | ; sicp ;runs code from Structure and |
| 70 | ;Interpretation of Computer |
| 71 | ;Programs by Abelson and Sussman. |
| 72 | rev4-optional-procedures ;LIST-TAIL, STRING->LIST, |
| 73 | ;LIST->STRING, STRING-COPY, |
| 74 | ;STRING-FILL!, LIST->VECTOR, |
| 75 | ;VECTOR->LIST, and VECTOR-FILL! |
| 76 | rev2-procedures ;SUBSTRING-MOVE-LEFT!, |
| 77 | ;SUBSTRING-MOVE-RIGHT!, |
| 78 | ;SUBSTRING-FILL!, |
| 79 | ;STRING-NULL?, APPEND!, 1+, |
| 80 | ;-1+, <?, <=?, =?, >?, >=? |
| 81 | multiarg/and- ;/ and - can take more than 2 args. |
| 82 | multiarg-apply ;APPLY can take more than 2 args. |
| 83 | ; rationalize |
| 84 | delay ;has DELAY and FORCE |
| 85 | with-file ;has WITH-INPUT-FROM-FILE and |
| 86 | ;WITH-OUTPUT-FROM-FILE |
| 87 | string-port ;has CALL-WITH-INPUT-STRING and |
| 88 | ;CALL-WITH-OUTPUT-STRING |
| 89 | ; transcript ;TRANSCRIPT-ON and TRANSCRIPT-OFF |
| 90 | char-ready? |
| 91 | ; macro ;has R4RS high level macros |
| 92 | ; macro-by-example |
| 93 | defmacro ;has Common Lisp DEFMACRO |
| 94 | eval ;R5RS two-argument eval |
| 95 | record ;has user defined data structures |
| 96 | values ;proposed multiple values |
| 97 | dynamic-wind ;proposed dynamic-wind |
| 98 | ieee-floating-point ;conforms to |
| 99 | full-continuation ;can return multiple times |
| 100 | ; object-hash ;has OBJECT-HASH |
| 101 | |
| 102 | sort |
| 103 | ; queue ;queues |
| 104 | ; pretty-print |
| 105 | object->string |
| 106 | ; format |
| 107 | ; trace ;has macros: TRACE and UNTRACE |
| 108 | ; compiler ;has (COMPILER) |
| 109 | ; ed ;(ED) is editor |
| 110 | system ;posix (system <string>) |
| 111 | getenv ;posix (getenv <string>) |
| 112 | program-arguments ;returns list of strings (argv) |
| 113 | ; Xwindows ;X support |
| 114 | ; curses ;screen management package |
| 115 | ; termcap ;terminal description package |
| 116 | ; terminfo ;sysV terminal description |
| 117 | current-time ;returns time in seconds since 1/1/1970 |
| 118 | |
| 119 | abort |
| 120 | array |
| 121 | array-for-each |
| 122 | random |
| 123 | hash |
| 124 | hash-table |
| 125 | line-i/o |
| 126 | logical |
| 127 | promise |
| 128 | string-case |
| 129 | ; syntax-case |
| 130 | )) |
| 131 | |
| 132 | ;; time |
| 133 | (define difftime -) |
| 134 | (define offset-time +) |
| 135 | |
| 136 | ;; random |
| 137 | (define (make-random-state . args) |
| 138 | (let ((seed (if (null? args) *random-state* (car args)))) |
| 139 | (cond ((string? seed)) |
| 140 | ((number? seed) (set! seed (number->string seed))) |
| 141 | (else (let () |
| 142 | (require 'object->string) |
| 143 | (set! seed (object->limited-string seed 50))))) |
| 144 | (seed->random-state seed))) |
| 145 | |
| 146 | ;;; (OUTPUT-PORT-WIDTH <port>) |
| 147 | (define (output-port-width . arg) 79) |
| 148 | |
| 149 | ;;; (OUTPUT-PORT-HEIGHT <port>) |
| 150 | (define (output-port-height . arg) 24) |
| 151 | |
| 152 | ;;; "rationalize" adjunct procedures. |
| 153 | ;;(define (find-ratio x e) |
| 154 | ;; (let ((rat (rationalize x e))) |
| 155 | ;; (list (numerator rat) (denominator rat)))) |
| 156 | ;;(define (find-ratio-between x y) |
| 157 | ;; (find-ratio (/ (+ x y) 2) (/ (- x y) 2))) |
| 158 | |
| 159 | ;;; Return argument |
| 160 | (define (identity x) x) |
| 161 | |
| 162 | ;;; SLIB:EVAL is single argument eval using the top-level (user) environment. |
| 163 | (define (slib:eval x) |
| 164 | (eval x (interaction-environment))) |
| 165 | |
| 166 | (define base:eval slib:eval) |
| 167 | (define (defmacro:eval x) (base:eval (defmacro:expand* x))) |
| 168 | (define (defmacro:expand* x) |
| 169 | (require 'defmacroexpand) (apply defmacro:expand* x '())) |
| 170 | |
| 171 | (define (slib:eval-load <pathname> evl) |
| 172 | (if (not (file-exists? <pathname>)) |
| 173 | (set! <pathname> (string-append <pathname> (scheme-file-suffix)))) |
| 174 | (call-with-input-file <pathname> |
| 175 | (lambda (port) |
| 176 | (let ((old-load-pathname *load-pathname*)) |
| 177 | (set! *load-pathname* <pathname>) |
| 178 | (do ((o (read port) (read port))) |
| 179 | ((eof-object? o)) |
| 180 | (evl o)) |
| 181 | (set! *load-pathname* old-load-pathname))))) |
| 182 | |
| 183 | (define (defmacro:load <pathname>) |
| 184 | (slib:eval-load <pathname> defmacro:eval)) |
| 185 | |
| 186 | (define slib:warn |
| 187 | (lambda args |
| 188 | (let ((cep (current-error-port))) |
| 189 | (if (provided? 'trace) (print-call-stack cep)) |
| 190 | (display "Warn: " cep) |
| 191 | (for-each (lambda (x) (display x cep)) args)))) |
| 192 | |
| 193 | ;;; define an error procedure for the library |
| 194 | (define (slib:error . args) |
| 195 | (if (provided? 'trace) (print-call-stack (current-error-port))) |
| 196 | (apply error args)) |
| 197 | |
| 198 | ;;; define these as appropriate for your system. |
| 199 | (define slib:tab (integer->char 9)) |
| 200 | (define slib:form-feed (integer->char 12)) |
| 201 | |
| 202 | ;;; Support for older versions of Scheme. Not enough code for its own file. |
| 203 | (define t #t) |
| 204 | (define nil #f) |
| 205 | |
| 206 | ;;; Define SLIB:EXIT to be the implementation procedure to exit or |
| 207 | ;;; return if exitting not supported. |
| 208 | (define slib:exit quit) |
| 209 | |
| 210 | ;;; Here for backward compatability |
| 211 | (define scheme-file-suffix |
| 212 | (let ((suffix (case (software-type) |
| 213 | ((NOSVE) "_scm") |
| 214 | (else ".scm")))) |
| 215 | (lambda () suffix))) |
| 216 | |
| 217 | ;;; (SLIB:LOAD-SOURCE "foo") should load "foo.scm" or with whatever |
| 218 | ;;; suffix all the module files in SLIB have. See feature 'SOURCE. |
| 219 | |
| 220 | (define (slib:load-source f) (load (string-append f (scheme-file-suffix)))) |
| 221 | |
| 222 | ;;; (SLIB:LOAD-COMPILED "foo") should load the file that was produced |
| 223 | ;;; by compiling "foo.scm" if this implementation can compile files. |
| 224 | ;;; See feature 'COMPILED. |
| 225 | |
| 226 | (define slib:load-compiled load-compiled) |
| 227 | |
| 228 | ;;; At this point SLIB:LOAD must be able to load SLIB files. |
| 229 | |
| 230 | (define slib:load slib:load-compiled) |
| 231 | |
| 232 | (slib:load (in-vicinity (library-vicinity) "require")) |