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-rw-r--r--Template.scm35
1 files changed, 22 insertions, 13 deletions
diff --git a/Template.scm b/Template.scm
index b006f7a..c61de29 100644
--- a/Template.scm
+++ b/Template.scm
@@ -23,11 +23,15 @@
;;@ (implementation-vicinity) should be defined to be the pathname of
;;; the directory where any auxillary files to your Scheme
;;; implementation reside.
-(define (implementation-vicinity)
- (case (software-type)
- ((unix) "/usr/local/src/scheme/")
- ((vms) "scheme$src:")
- ((ms-dos) "C:\\scheme\\")))
+(define implementation-vicinity
+ (let ((impl-path
+ (or (getenv "{TEMPLATE}_IMPLEMENTATION_PATH")
+ (case (software-type)
+ ((unix) "/usr/local/src/scheme/")
+ ((vms) "scheme$src:")
+ ((ms-dos) "C:\\scheme\\")
+ (else "")))))
+ (lambda () impl-path)))
;;@ (library-vicinity) should be defined to be the pathname of the
;;; directory where files of Scheme library functions reside.
@@ -95,8 +99,7 @@
;@
(define sub-vicinity
(case (software-type)
- ((vms) (lambda
- (vic name)
+ ((vms) (lambda (vic name)
(let ((l (string-length vic)))
(if (or (zero? (string-length vic))
(not (char=? #\] (string-ref vic (- l 1)))))
@@ -137,6 +140,7 @@
;(SLIB:LOAD-COMPILED "filename")
vicinity
srfi-59
+ srfi-96
;; Scheme report features
;; R5RS-compliant implementations should provide all 9 features.
@@ -180,11 +184,12 @@
;; Other common features
- srfi ;srfi-0, COND-EXPAND finds all srfi-*
+ srfi-0 ;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
+ defmacro ;has Common Lisp DEFMACRO
+;;; syntax-case ;has syncase:eval and syncase:load
;;; record ;has user defined data structures
;;; string-port ;has CALL-WITH-INPUT-STRING and
;CALL-WITH-OUTPUT-STRING
@@ -256,9 +261,6 @@
;;@ SLIB:EVAL is single argument eval using the top-level (user) environment.
(define slib:eval eval)
-;; If your implementation provides R4RS macros:
-;(define macro:eval slib:eval)
-;(define macro:load load)
(define *defmacros*
(list (cons 'defmacro
(lambda (name parms . body)
@@ -300,7 +302,6 @@
;@
(define (defmacro:load <pathname>)
(slib:eval-load <pathname> defmacro:eval))
-;; slib:eval-load definition moved to "require.scm"
;@
(define slib:warn
(lambda args
@@ -386,4 +387,12 @@
;;@ At this point SLIB:LOAD must be able to load SLIB files.
(define slib:load slib:load-source)
+;;; If your implementation provides R4RS macros:
+;;(define macro:eval slib:eval)
+;;(define macro:load slib:load-source)
+
+;;; If your implementation provides syntax-case macros:
+;;(define syncase:eval slib:eval)
+;;(define syncase:load slib:load-source)
+
(slib:load (in-vicinity (library-vicinity) "require"))