- renamed packages

- using srfi-9 instead of defrec-package

examples/passwd-wrapper.scm

@@ -1,5 +1,5 @@
 #!/bin/sh
-exec scsh -lm ../scheme/packages.scm -o threads -o chat-package -o expect-package -o let-opt -e main -s "$0" "$@"
+exec scsh -lm ../scheme/packages.scm -o threads -o chat -o expect -o let-opt -e main -s "$0" "$@"
 !#
 
 ;; TODO:

scheme/expect.scm

@@ -28,12 +28,19 @@
 
 ;;; A task is a guy with whom we can interact.
 
-(define-record task
-  process
-  in
-  out
-  (buf "")
-  (pre-match #f))	; Everything before the current match.
+(define-record-type task
+  (really-make-task process in out buf pre-match)
+  task?
+  (process task:process)
+  (in task:in)
+  (out task:out)
+  (buf task:buf set-task:buf!)
+  (pre-match task:pre-match set-task:pre-match!) ;; Everything before
+						 ;; the current match.
+  )
+
+(define (make-task process in out)
+  (really-make-task process in out "" #f))
 
 (define (tsend task fmt . args)
   (apply format (task:out task) fmt args))
@@ -98,14 +105,14 @@
 ;	    ;; BUF := some of BUF + all of STR.
 ;	    ((<= str-size max-size)
 ;	     (let ((i (- total-size max-size)))
-;	       (set-task:pre-match (string-append (task:pre-match task)
+;	       (set-task:pre-match! (string-append (task:pre-match task)
 ;						  (substring buf 0 i)))
 ;	       (string-append (substring buf i buf-size)
 ;			      str)))
 ;	    
 ;	    ;; BUF := some of STR.
 ;	    (else (let ((i (- str-size max-size)))
-;		    (set-task:pre-match (string-append (task:pre-match task)
+;		    (set-task:pre-match! (string-append (task:pre-match task)
 ;						       buf
 ;						       (substring str 0 i)))
 ;		    (substring str i str-size))))))
@@ -116,9 +123,9 @@
 ;;; - Put everything in BUFFER *after* the match into (TASK:BUF TASK).
 
 (define (set-prematch task buffer m)
-  (set-task:pre-match task (substring buffer 0 (match:start m)))
-  (set-task:buf task
-		(substring buffer (match:end m) (string-length buffer))))
+  (set-task:pre-match! task (substring buffer 0 (match:start m)))
+  (set-task:buf! task
+		 (substring buffer (match:end m) (string-length buffer))))
 
 
 ;;; Slurp in data from port ivec[i] and add it to the task's buffer.
@@ -136,7 +143,7 @@
 	      (read-string/partial 256 port))))
 
     (and s (let ((newbuf (string-append (task:buf task) s)))
-	     (set-task:buf task newbuf)
+	     (set-task:buf! task newbuf)
 	     s))))
 
 ;;; A (<task> <aclause> ...) task-clause becomes the following chunk of code
@@ -172,8 +179,8 @@
       (cond ((do-input task) =>
 	     (lambda (i) (try-match-clauses (task:buf task) i do-next)))
 	    (else
-	     (set-task:pre-match task (task:buf task))
-	     (set-task:buf task "")
+	     (set-task:pre-match! task (task:buf task))
+	     (set-task:buf! task "")
 	     (monitor task #f) ; Signal EOF
 	     (do-eof)
 	     (vector-set! ivec i #f)))

scheme/packages.scm

@@ -10,13 +10,13 @@
   (access signals) ; for ERROR
   (files expect-syntax))
 
-(define-structure expect-package
-  (export task? make-task copy-task
-	  task:process set-task:process modify-task:process
-	  task:in set-task:in modify-task:in
-	  task:out set-task:out modify-task:out
-	  task:buf set-task:buf modify-task:buf
-	  task:pre-match set-task:pre-match modify-task:pre-match
+(define-structure expect
+  (export task? make-task
+	  task:process
+	  task:in
+	  task:out
+	  task:buf set-task:buf!
+	  task:pre-match set-task:pre-match!
 
 	  port->monitor
 
@@ -27,19 +27,19 @@
   (for-syntax (open expect-syntax-support scheme))
 
   (open scsh formats structure-refs
-	receiving defrec-package scheme srfi-13)
+	receiving srfi-9 scheme srfi-13)
   (access signals) ; for ERROR
 
   (files expect))
 
-(define-structure chat-package
+(define-structure chat
   (export chat-abort chat-timeout chat-monitor
 	  port->chat-logger file->chat-logger
 	  (look-for 	      :syntax)
 	  (chat 	      :syntax)
 	  send send/cr)
 
-  (open scsh expect-package fluids scheme)
+  (open scsh expect fluids scheme)
 
   (files chat))