(in-package #:clnl)
+(defvar *model-package* (find-package :cl-user)
+ "*MODEL-PACKAGE*
+
+VALUE TYPE:
+
+ a package
+
+INITIAL VALUE:
+
+ The common-lisp-user package
+
+DESCRIPTION:
+
+ *MODEL-PACKAGE* is used for interning symbols as a NetLogo code
+ gets compiled.
+
+ Any local symbols are interned in this package, for use either
+ by other code, or in order to have all symbols interned in the
+ same placakge. This is also the package in which a model should
+ be run, whether by clnl code or independently.")
+
(defun e (ast) ast)
(defun r (str)
RUN starts up the CLNL system."
+ (boot)
(sb-thread:make-thread #'clnl-cli:run)
(clnl-interface:run))
-(defun boot ()
- "BOOT => RESULT
+(defun boot (&optional file)
+ "BOOT &optional FILE => RESULT
ARGUMENTS AND VALUES:
+ FILE: nlogo file with which to initialize state
RESULT: undefined
DESCRIPTION:
BOOT does exactly that, boots the clnl system in a clean state. The seed
- is set so that multiple runs will evaluate to the same."
- (clnl-random:set-seed 15)
- (clnl-nvm:create-world))
+ is set so that multiple runs will evaluate to the same.
+
+ When FILE is not provided, a default model is used."
+ (let
+ ((netlogoed-lisp
+ (model->lisp
+ (if file (with-open-file (str file) (clnl-model:read-from-nlogo str)) (clnl-model:default-model))))
+ (*package* *model-package*))
+ (eval netlogoed-lisp)))
(defun run-commands (cmds)
"RUN-COMMANDS CMDS => RESULT
RUN-REPORTER will take a NetLogo REPORTER, put it through the various
stages need to turn them into Common Lisp code, run it, and return the RESULT."
(eval (clnl-transpiler:transpile-reporter (car (clnl-parser:parse (clnl-lexer:lex reporter))))))
+
+; Everything gets tied together here
+; The intention of this method is to generate the common lisp equivalent of a model file,
+; such that if you decided to no longer use nlogo, you could use the engine without it.
+(defun model->lisp (model)
+ `(let
+ ,(clnl-model:globals model)
+ (clnl-random:set-seed 15) ; should the seed always be 15?
+ (clnl-nvm:create-world :dims ',(clnl-model:world-dimensions model))
+ (clnl-interface:initialize :dims ',(clnl-model:world-dimensions model))))