Use parley.

foo.scm

@@ -0,0 +1,4 @@
+(import chicken scheme)
+(use chicken-syntax)
+
+(print (eval `(begin (import chicken) ,(read))))

hiss-old.scm

@@ -0,0 +1,60 @@
+;;; documentation at http://thintz.com/chicken-scheme-shell
+(use readline srfi-1)
+(include "macros.scm")
+
+(define (getenv2 e)
+ ;; handles exorcism of getenv from 4.6.4 onwards
+ (handle-exceptions
+  exn
+  (get-environment-variable e)
+  (getenv e)))
+
+(current-input-port (make-gnu-readline-port))
+(gnu-history-install-file-manager
+ (string-append (or (getenv2 "HOME") ".") "/.csi.history"))
+(repl-prompt (lambda () "$ "))
+
+(define config-file
+ (make-parameter (string-append (or (getenv2 "HOME") ".") "/.hiss")))
+(when (file-exists? (config-file))
+  (load (config-file)))
+
+(define exit? (make-parameter #f))
+(define (exit) (exit? #t))
+
+(define (%run-cmd cmd) (with-input-from-pipe cmd read-file))
+
+; now we can can actually use things in a more lispy way
+; #;1> (cmd->list "ls" read-line)
+; (file1 file2 file3)
+; #;2> (map (lambda (file) (run (string-append "cat " file)))
+;             (cmd->list "ls" read-line))
+; ...contents of all the files in the current directory
+(define (cmd->list cmd read-func)
+  (with-input-from-pipe
+   cmd
+   (lambda ()
+     (letrec ((get-next (lambda (o)
+			  (let ((v (read-func)))
+			    (if (not (eof-object? v))
+				(get-next (cons v o))
+				(reverse o))))))
+       (get-next '())))))
+
+(define (run cmd) (process-wait (process-run cmd)))
+
+(define (_ . r) (cmd->list (fold (lambda (e o) (++ o " " e)) "" r) read-line))
+
+(define (shell-repl)
+  (if (exit?)
+      #t
+      (begin (handle-exceptions
+	      exn
+	      (begin (print-error-message exn)
+		     (display (with-output-to-string (lambda () (print-call-chain)))))
+	      (let ((x (read)))
+		(write (eval x))))
+	     (newline)
+	     (shell-repl))))
+
+(shell-repl)

hiss.meta

@@ -3,4 +3,4 @@
 ((egg "hiss.egg")
  (synopsis "hiss is a chicken scheme shell.")
  (license "BSD")
- (depends readline))
+ (depends parley apropos scsh-process))

hiss.scm

@@ -1,60 +1,62 @@
-;;; documentation at http://thintz.com/chicken-scheme-shell
-(use readline srfi-1)
-(include "macros.scm")
-
-(define (getenv2 e)
- ;; handles exorcism of getenv from 4.6.4 onwards
- (handle-exceptions
-  exn
-  (get-environment-variable e)
-  (getenv e)))
-
-(current-input-port (make-gnu-readline-port))
-(gnu-history-install-file-manager
- (string-append (or (getenv2 "HOME") ".") "/.csi.history"))
-(repl-prompt (lambda () "$ "))
-
-(define config-file
- (make-parameter (string-append (or (getenv2 "HOME") ".") "/.hiss")))
-(when (file-exists? (config-file))
-  (load (config-file)))
+(import chicken scheme)
+(use parley parley-auto-completion srfi-1 apropos posix chicken-syntax scsh-process)
+
+; match (foo or foo
+(word-class '($ (: (& (~ (or "(" "[")) (~ whitespace)) (+ (~ whitespace)))))
+
+(define (get-scheme-completions)
+  (map (lambda (s)
+         (string-append s " "))
+       (delete-duplicates!
+        (map (lambda (sym)
+               (let ((string-sym (symbol->string sym)))
+                 (if (not (substring-index "#" string-sym))
+                          string-sym
+                          (cadr (string-split string-sym "#")))))
+             (apropos-list "" macros?: #t)))))
+
+(define (get-shell-completions)
+  (let ((paths (string-split (get-environment-variable "PATH") ":")))
+    (delete-duplicates!
+     (flatten
+      (map (lambda (files) (map (cut string-append <> " ") files))
+           (map (cut directory <>) paths))))))
+
+(completion-choices (lambda (input position last-word)
+                      (let* ((full-line (string-append input last-word))
+                             (paren-pos (or (substring-index "(" full-line) -1))
+                             (bracket-pos (or (substring-index "[" full-line) -1)))
+                        (if (> paren-pos bracket-pos)
+                            (get-scheme-completions)
+                            (get-shell-completions)))))
+
+(add-key-binding! #\tab auto-completion-handler)
+
+(let ((old (current-input-port)))
+     (current-input-port (make-parley-port old)))
 
 (define exit? (make-parameter #f))
 (define (exit) (exit? #t))
 
-(define (%run-cmd cmd) (with-input-from-pipe cmd read-file))
-
-; now we can can actually use things in a more lispy way
-; #;1> (cmd->list "ls" read-line)
-; (file1 file2 file3)
-; #;2> (map (lambda (file) (run (string-append "cat " file)))
-;             (cmd->list "ls" read-line))
-; ...contents of all the files in the current directory
-(define (cmd->list cmd read-func)
-  (with-input-from-pipe
-   cmd
-   (lambda ()
-     (letrec ((get-next (lambda (o)
-			  (let ((v (read-func)))
-			    (if (not (eof-object? v))
-				(get-next (cons v o))
-				(reverse o))))))
-       (get-next '())))))
-
-(define (run cmd) (process-wait (process-run cmd)))
-
-(define (_ . r) (cmd->list (fold (lambda (e o) (++ o " " e)) "" r) read-line))
+(define line-num (make-parameter 0))
+(define repl-prompt (make-parameter (lambda () (string-append "#;" (number->string (line-num)) "> "))))
+
+(define config-file
+ (make-parameter (string-append (or (get-environment-variable "HOME") ".") "/.hiss")))
 
 (define (shell-repl)
   (if (exit?)
       #t
       (begin (handle-exceptions
-	      exn
-	      (begin (print-error-message exn)
-		     (display (with-output-to-string (lambda () (print-call-chain)))))
-	      (let ((x (read)))
-		(write (eval x))))
-	     (newline)
-	     (shell-repl))))
-
-(shell-repl)
+              exn
+              (begin (print-error-message exn)
+                     (display (with-output-to-string (lambda () (print-call-chain)))))
+              (let ((x (with-input-from-string (parley ((repl-prompt))) (lambda () (read)))))
+                (write (eval x))))
+             (newline)
+             (shell-repl))))
+
+(begin
+  (when (file-exists? (config-file))
+        (load (config-file)))
+  (shell-repl))

hiss.setup

@@ -4,4 +4,4 @@
 
 (install-program 'hiss
 '("hiss")
-`((version "2")))
+`((version "0.0.1")))

new.scm

@@ -0,0 +1,28 @@
+(use parley parley-auto-completion srfi-1)
+(import foreign)
+
+(use parley readline)
+(let ((old (current-input-port)))
+     (current-input-port (make-parley-port old)))
+
+(word-class '($ (: (& (~ "(") (~ whitespace)) (+ (~ whitespace)))))
+; (completion-list '("string-append " "foobar "))
+(define foo '())
+(completion-choices
+ (lambda (input position last-word)
+   (let* ((result '())
+          (symbols (car (map (lambda (pair) ((cdr pair) "")) (gnu-readline-completions)))))
+     (let loop ()
+       (let ((next (symbols)))
+         (if (any (cut string=? <> next) result)
+           result
+           (begin (set! result (cons next result)) (loop)))))
+     (set! result (lset-union string=?
+                              result
+                              (map (lambda (s) (symbol->string (car s))) (##sys#macro-environment))))
+     (map (cut string-append <> " ") result))))
+   ;; (if (symbol? (string->symbol last-word))
+       ;(map (lambda (s) (string-append (symbol->string (car s)) " ")) (##sys#macro-environment))))
+;   '("string-append" "strs" "foobar")))
+
+(add-key-binding! #\tab auto-completion-handler)