From: Frank Duncan Date: Sat, 30 Apr 2016 22:27:23 +0000 (-0500) Subject: Prims - Optional arguments X-Git-Tag: v0.1.0~29 X-Git-Url: https://code.consxy.com/gitweb/gitweb.cgi?a=commitdiff_plain;h=bc4ccb4;p=clnl Prims - Optional arguments --- diff --git a/src/main/nvm/base.lisp b/src/main/nvm/base.lisp index cd494a7..d93089e 100644 --- a/src/main/nvm/base.lisp +++ b/src/main/nvm/base.lisp @@ -20,6 +20,9 @@ ((and (listp agentset) (eql :agentset (car agentset))) (cdr agentset)) (t (error "Doesn't seem to be an agentset: ~A" agentset)))) +(defun list->agentset (list) + (cons :agentset list)) + (defun agentset-p (o) (or (eql o :turtles) diff --git a/src/main/nvm/nvm.lisp b/src/main/nvm/nvm.lisp index 31d2f31..c590f2f 100644 --- a/src/main/nvm/nvm.lisp +++ b/src/main/nvm/nvm.lisp @@ -49,18 +49,16 @@ DESCRIPTION: (:pink 135d0))) (defun create-turtle () - (setf - *turtles* - (nconc - *turtles* - (list - (make-turtle - :who (coerce *current-id* 'double-float) - :color (coerce (+ 5 (* 10 (clnl-random:next-int 14))) 'double-float) - :heading (coerce (clnl-random:next-int 360) 'double-float) - :xcor 0d0 - :ycor 0d0)))) - (incf *current-id*)) + (let + ((new-turtle (make-turtle + :who (coerce *current-id* 'double-float) + :color (coerce (+ 5 (* 10 (clnl-random:next-int 14))) 'double-float) + :heading (coerce (clnl-random:next-int 360) 'double-float) + :xcor 0d0 + :ycor 0d0))) + (setf *turtles* (nconc *turtles* (list new-turtle))) + (incf *current-id*) + new-turtle)) (defun die () "DIE => RESULT @@ -441,12 +439,13 @@ DESCRIPTION: See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#right" (turn-right (- n))) -(defun create-turtles (n) - "CREATE-TURTLES N => RESULT +(defun create-turtles (n &optional fn) + "CREATE-TURTLES N &optional FN => RESULT ARGUMENTS AND VALUES: N: an integer, the numbers of turtles to create + FN: A function, applied to each turtle after creation RESULT: undefined DESCRIPTION: @@ -454,11 +453,13 @@ DESCRIPTION: Creates number new turtles at the origin. New turtles have random integer headings and the color is randomly selected - from the 14 primary colors. If commands are supplied, the new turtles - immediately run them (unimplemented). + from the 14 primary colors. If a function is supplied, the new turtles + immediately run it. See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#create-turtles" - (loop :for i :from 1 :to n :do (create-turtle))) + (let + ((new-turtles (loop :repeat n :collect (create-turtle)))) + (when fn (ask (list->agentset new-turtles) fn)))) (defun reset-ticks () "RESET-TICKS => RESULT diff --git a/src/main/parse.lisp b/src/main/parse.lisp index 9c80574..6227237 100644 --- a/src/main/parse.lisp +++ b/src/main/parse.lisp @@ -26,7 +26,6 @@ (defparameter *dynamic-prims* nil) (defun prim-name (prim) (getf prim :name)) -(defun prim-num-args (prim) (length (getf prim :args))) (defun prim-args (prim) (getf prim :args)) (defun prim-structure-prim (prim) (getf prim :structure-prim)) (defun prim-is-infix (prim) (getf prim :infix)) @@ -79,85 +78,110 @@ DESCRIPTION: ((*dynamic-prims* dynamic-prims)) (parse-internal lexed-ast))) -(defun parse-internal (lexed-ast &key prev-item arg-countdown) +(defun parse-internal (lexed-ast &key prev-item prev-remaining-arg remaining-args) (let ((prim (and lexed-ast (symbolp (car lexed-ast)) (find-prim (car lexed-ast))))) (cond - ((and arg-countdown (zerop arg-countdown)) (append (when prev-item (list prev-item)) lexed-ast)) + ((and remaining-args (eql (car remaining-args) :done-with-args)) + (append (when prev-item (list (help-arg prev-item prev-remaining-arg))) lexed-ast)) ((and prim (prim-is-infix prim)) - (parse-prim prim lexed-ast prev-item arg-countdown)) ; Special casing infix prims is cleaner + (parse-prim prim lexed-ast prev-item prev-remaining-arg remaining-args)) ; Special casing infix prims is cleaner (t (append - (when prev-item (list prev-item)) + (when prev-item (list (help-arg prev-item prev-remaining-arg))) (cond ((not lexed-ast) nil) ((stringp (car lexed-ast)) (parse-internal (cdr lexed-ast) :prev-item (car lexed-ast) - :arg-countdown (when arg-countdown (1- arg-countdown)))) + :prev-remaining-arg (car remaining-args) + :remaining-args (cdr remaining-args))) ((numberp (car lexed-ast)) (parse-internal (cdr lexed-ast) :prev-item (coerce (car lexed-ast) 'double-float) - :arg-countdown (when arg-countdown (1- arg-countdown)))) - ((eql (intern "(" :keyword) (car lexed-ast)) (parse-parened-expr (cdr lexed-ast) arg-countdown)) + :prev-remaining-arg (car remaining-args) + :remaining-args (cdr remaining-args))) + ((eql (intern "(" :keyword) (car lexed-ast)) (parse-parened-expr (cdr lexed-ast) remaining-args)) ((eql (intern ")" :keyword) (car lexed-ast)) (error "Closing parens has no opening parens")) - ((eql :let (car lexed-ast)) (parse-let (cdr lexed-ast) arg-countdown)) - ((eql :[ (car lexed-ast)) (parse-block (cdr lexed-ast) arg-countdown)) + ((eql :let (car lexed-ast)) (parse-let (cdr lexed-ast) remaining-args)) + ((eql :[ (car lexed-ast)) (parse-block (cdr lexed-ast) remaining-args)) (prim (when (prim-structure-prim prim) (error "This doesn't make sense here")) - (parse-prim prim lexed-ast nil arg-countdown)) + (parse-prim prim lexed-ast nil prev-remaining-arg remaining-args)) (t (error "Couldn't parse ~S" lexed-ast)))))))) -(defun parse-let (lexed-ast arg-countdown) +(defun parse-let (lexed-ast remaining-args) (when (not (keywordp (car lexed-ast))) (error "Needed a keyword for let")) (let* - ((half-parsed-remainder (parse-internal (cdr lexed-ast) :arg-countdown 1))) + ((half-parsed-remainder (parse-internal (cdr lexed-ast) :remaining-args (list t :done-with-args)))) (let ((*dynamic-prims* (cons (list :name (car lexed-ast)) *dynamic-prims*))) (parse-internal (cdr half-parsed-remainder) - :arg-countdown (when arg-countdown (1- arg-countdown)) - :prev-item (list :let (car lexed-ast) (car half-parsed-remainder)))))) + :remaining-args (cdr remaining-args) + :prev-remaining-arg (car remaining-args) + :prev-item (list :let (car lexed-ast) (cadr (car half-parsed-remainder))))))) -(defun parse-prim (prim lexed-ast prev-item arg-countdown) +(defun parse-prim (prim lexed-ast prev-item prev-remaining-arg remaining-args) (let* - ((num-args (- (prim-num-args prim) (if (prim-is-infix prim) 1 0))) - (half-parsed-remainder (parse-internal (cdr lexed-ast) :arg-countdown num-args))) - (parse-internal - (nthcdr num-args half-parsed-remainder) - :arg-countdown (when arg-countdown (if (prim-is-infix prim) arg-countdown (1- arg-countdown))) - :prev-item - (cons - (prim-name prim) - (mapcar - #'help-arg - (prim-args prim) - (append - (when (prim-is-infix prim) (list prev-item)) - (butlast half-parsed-remainder (- (length half-parsed-remainder) num-args)))))))) + ((args (if (prim-is-infix prim) (cdr (prim-args prim)) (prim-args prim))) + (half-parsed-remainder (parse-internal (cdr lexed-ast) :remaining-args (append args (list :done-with-args)))) + (breakpoint (or + (position-if (lambda (form) (or (not (listp form)) (not (eql :arg (car form))))) half-parsed-remainder) + (length half-parsed-remainder))) + (already-parsed-limbo-forms + (subseq half-parsed-remainder breakpoint (min (length args) (length half-parsed-remainder)))) + (middle-forms + (cons + (cons + (prim-name prim) + (append + (when (prim-is-infix prim) (list (second (help-arg prev-item (car (prim-args prim)))))) + (mapcar #'cadr (subseq half-parsed-remainder 0 breakpoint)))) + already-parsed-limbo-forms))) + (append + (butlast middle-forms) + (parse-internal + (nthcdr (length args) half-parsed-remainder) + :remaining-args (if (prim-is-infix prim) remaining-args (cdr remaining-args)) + :prev-remaining-arg (if (prim-is-infix prim) prev-remaining-arg (car remaining-args)) + :prev-item (car (last middle-forms)))))) -(defun help-arg (arg-type arg) +(defun help-arg (arg arg-type) (cond + ((not arg-type) arg) ((eql arg-type :command-block) (if (not (and (consp arg) (eql 'block (car arg)))) (error "Required a block, but found a ~A" arg) - (cons :command-block (cdr arg)))) + (list :arg (cons :command-block (cdr arg))))) ((eql arg-type :reporter-block) (if (not (and (consp arg) (eql 'block (car arg)))) (error "Required a block, but found a ~A" arg) - (cons :reporter-block (cdr arg)))) - ((or (eql arg-type :list) (and (listp arg-type) (find :list arg-type))) - (if (and (consp arg) (eql 'block (car arg))) - (cons :list-literal (cdr arg)) - arg)) - (t arg))) + (list :arg (cons :reporter-block (cdr arg))))) + ((or + (eql arg-type :list) + (and (listp arg-type) (find :list arg-type))) + (list + :arg + (if (and (consp arg) (eql 'block (car arg))) + (cons :list-literal (cdr arg)) + arg))) + ((and + (listp arg-type) + (find :command-block arg-type) + (consp arg) + (eql 'block (car arg))) + (list :arg (cons :command-block (cdr arg)))) + ((and (listp arg-type) (find :optional arg-type)) arg) + (t (list :arg arg)))) -(defun parse-block (tokens arg-countdown) +(defun parse-block (tokens remaining-args) (multiple-value-bind (in-block after-block) (find-closing-bracket tokens) (parse-internal after-block :prev-item (cons 'block (parse-internal in-block)) - :arg-countdown (when arg-countdown (1- arg-countdown))))) + :prev-remaining-arg (car remaining-args) + :remaining-args (cdr remaining-args)))) (defun find-closing-bracket (tokens &optional (depth 0)) (cond @@ -168,7 +192,7 @@ DESCRIPTION: (find-closing-bracket (cdr tokens) (case (car tokens) (:[ (1+ depth)) (:] (1- depth)) (t depth))) (values (cons (car tokens) in-block) after-block))))) -(defun parse-parened-expr (tokens arg-countdown) +(defun parse-parened-expr (tokens remaining-args) (multiple-value-bind (in-block after-block) (find-closing-paren tokens) (parse-internal after-block :prev-item @@ -176,7 +200,8 @@ DESCRIPTION: ((parsed-in-block (parse-internal in-block))) (when (/= 1 (length parsed-in-block)) (error "Expected ) here")) (car parsed-in-block)) - :arg-countdown (when arg-countdown (1- arg-countdown))))) + :prev-remaining-arg (car remaining-args) + :remaining-args (cdr remaining-args)))) (defun find-closing-paren (tokens &optional (depth 0)) (cond @@ -222,7 +247,7 @@ DESCRIPTION: (defprim :any? (:agentset)) (defprim :ask (:agentset :command-block)) (defprim :clear-all ()) -(defprim :crt (:number)) +(defprim :crt (:number (:command-block :optional))) (defprim :color ()) (defprim :count (:agentset)) (defprim :die ()) diff --git a/src/test/simpletests.lisp b/src/test/simpletests.lisp index 7a362cd..a82c597 100644 --- a/src/test/simpletests.lisp +++ b/src/test/simpletests.lisp @@ -15,6 +15,9 @@ (defsimplecommandtest "Simple crt and fd" "crt 5 ask turtles [ fd 1 ]" "BEB43404EDC7852985A9A7FC312481785FE553A0") +(defsimplecommandtest "Simple crt and fd 2" "crt 5 [ fd 1 ]" + "BEB43404EDC7852985A9A7FC312481785FE553A0") + (defsimplecommandtest "Wrapping 1" "crt 5 ask turtles [ fd 5 ]" "1098A56973DA04E7AEA7659C40E3FF3EC7862B02") @@ -147,7 +150,7 @@ (defsimplecommandtest "ticks 1" "reset-ticks tick" "E1DE30F072D785E0D0B59F28B0F7853E3D3E0D8B") -(defreportertestwithsetup "ticks 1" "reset-ticks tick tick" "ticks" "2" +(defreportertestwithsetup "ticks 2" "reset-ticks tick tick" "ticks" "2" "E1DE30F072D785E0D0B59F28B0F7853E3D3E0D8B") (defreportertestwithsetup "of / who 1" "crt 10" "[ who ] of turtles" "[5 9 4 3 7 0 1 2 6 8]"