7 ((lexed-ast (let ((ast (clnl-lexer:lex str)))
8 (format t "Via lexing, AST for~%~S~% became~%~S~%~%" str ast) ast))
9 (parsed-ast (let ((ast (clnl-parser:parse lexed-ast)))
10 (format t "Via parsing, AST for~%~S~% became~%~S~%~%" lexed-ast ast) ast))
11 (transpiled-ast (let ((ast (clnl-transpiler:transpile parsed-ast)))
12 (format t "Via transpiling, AST for~%~S~% became~%~S~%" parsed-ast ast) ast)))
13 (eval transpiled-ast)))
15 (defun p (result) result)
22 RESULT: undefined, the system terminates at the end of the loop
26 RUN starts up the CLNL system."
29 (sb-thread:make-thread #'clnl-cli:run)
32 (defun boot (&optional file headless-mode)
33 "BOOT &optional FILE HEADLESS-MODE => RESULT
37 FILE: nlogo file with which to initialize state
38 HEADLESS-MODE: a boolean, defaults to nil
43 BOOT does exactly that, boots the clnl system in a clean state. The seed
44 is set so that multiple runs will evaluate to the same.
46 When FILE is not provided, a default model is used.
48 When HEADLESS-MODE is set to nil, the opengl interface is initialized.
49 Otherwise, the model will run headlessly, with no view."
52 (model->single-form-lisp
53 (if file (with-open-file (str file) (clnl-model:read-from-nlogo str)) (clnl-model:default-model))
54 :initialize-interface (not headless-mode)))
55 (*package* *model-package*))
56 (eval netlogoed-lisp)))
58 (defun run-commands (cmds)
59 "RUN-COMMANDS CMDS => RESULT
63 CMDS: A string that may have one more NetLogo commands
68 RUN-COMMANDS will take NetLogo commands, put them through the various
69 stages need to turn them into Common Lisp code, and run it."
70 (clnl-nvm:with-stop-handler (eval (clnl-transpiler:transpile (clnl-parser:parse (clnl-lexer:lex cmds))))))
72 (defun run-reporter (reporter)
73 "RUN-REPORTER REPORTER => RESULT
77 REPORTER: A string that should have only one reporter
78 RESULT: The value reported by the NVM
82 RUN-REPORTER will take a NetLogo REPORTER, put it through the various
83 stages need to turn them into Common Lisp code, run it, and return the RESULT."
84 (eval (clnl-transpiler:transpile (clnl-parser:parse (clnl-lexer:lex reporter)))))
86 ; Because prims are used both at generation time and later at runtime, certain things in
87 ; them must be escaped a little bit more, such as wrapping the whole thing in a list
88 ; primitive. This way, the output of these things looks like halfway decent lisp,
89 ; and everything works nicely. We don't want any <FUNC #> showing up or anything
90 (defun munge-prim (prim)
92 ((copied (copy-list prim)))
93 (when (getf copied :args) (setf (getf copied :args) `(quote ,(getf copied :args))))
96 (defun netlogo-callback-body (prims)
98 (clnl-transpiler:transpile
100 (clnl-lexer:lex ,(intern "NETLOGO-CODE" *model-package*))
101 (list ,@(mapcar #'munge-prim prims)))
102 (list ,@(mapcar #'munge-prim prims)))))
104 (defun create-world-call (model globals code-ast)
105 `(clnl-nvm:create-world
106 :dims ',(clnl-model:world-dimensions model)
110 `(list ,(car pair) (lambda () ,(intern (string-upcase (car pair)) *model-package*))))
112 :turtles-own-vars ',(clnl-code-parser:turtles-own-vars code-ast)
113 :patches-own-vars ',(clnl-code-parser:patches-own-vars code-ast)
114 :breeds ',(clnl-code-parser:breeds code-ast)))
116 (defun create-proc-body (proc prims)
117 `(,(intern (string-upcase (car proc)) *model-package*) ()
118 (clnl-nvm:with-stop-handler
119 ,@(cdr ; remove the progn, cuz it looks nicer
120 (clnl-transpiler:transpile (cadr proc)
123 (if (getf prim :macro) ; The reason we do this is because with macros, we want to evaluate them in
124 ; this scope while preserving them for the generational purposes below
125 (append (list :macro (eval (getf prim :macro))) prim)
128 (defun model->single-form-lisp (model &key (seed 15) initialize-interface netlogo-callback)
131 (clnl-code-parser:parse (clnl-lexer:lex (clnl-model:code model)) (clnl-model:widget-globals model))
135 (clnl-code-parser:globals code-ast)
136 (clnl-model:widget-globals model))))
139 (lambda (pair) `(defparameter ,(intern (string-upcase (car pair)) *model-package*) ,(cadr pair)))
143 (lambda (proc) (create-proc-body proc prims))
144 (clnl-code-parser:procedures code-ast))
145 (clnl-random:set-seed ,seed)
146 ,(create-world-call model globals code-ast)
147 ,@(when netlogo-callback
148 `((funcall ,netlogo-callback
149 (lambda (,(intern "NETLOGO-CODE" *model-package*))
150 ,(netlogo-callback-body prims)))))
151 ,@(when initialize-interface `((clnl-interface:initialize :dims ',(clnl-model:world-dimensions model)))))))))
153 (setf (documentation 'model->single-form-lisp 'function)
154 "MODEL->SINGLE-FORM-LISP MODEL &key SEED INITIALIZE-INTERFACE NETLOGO-CALLBACK => FORM
156 ARGUMENTS AND VALUES:
159 SEED: An integer, defaults to 15
160 INITIALIZE-INTERFACE: A boolean
161 NETLOGO-CALLBACK: A function of one argument, or a symbol
162 FORM: A common lisp form
166 MODEL->SINGLE-FORM-LISP takes a model and returns a lisp program as a single form,
167 that when executed runs the model. The SEED passed in is used to start the
170 INITIALIZE-INTERFACE, when non nil, leads to initialization code for the
171 opengl interface being included.
173 NETLOGO-CALLBACK is a function that when called with a single argument,
174 a function that when called with netlogo code, will compile and run that
175 code in the environment of the model.
177 Of note, all globals defined either in the model code or via the widgets
178 are declared special in order to remain in the lexical environment for EVAL.")
180 (defun model->multi-form-lisp (model boot-fn &key (seed 15) initialize-interface netlogo-callback-fn)
183 (clnl-code-parser:parse (clnl-lexer:lex (clnl-model:code model)) (clnl-model:widget-globals model))
187 (clnl-model:widget-globals model)
188 (clnl-code-parser:globals code-ast))))
189 `((in-package ,(intern (package-name *model-package*) :keyword))
192 `(defvar ,(intern (string-upcase (car pair)) *model-package*) ,(cadr pair)))
195 (lambda (proc) `(defun ,@(create-proc-body proc prims)))
196 (clnl-code-parser:procedures code-ast))
198 (clnl-random:set-seed ,seed)
199 ,(create-world-call model globals code-ast)
200 ,@(when initialize-interface `((clnl-interface:initialize :dims ',(clnl-model:world-dimensions model)))))
201 ,@(when netlogo-callback-fn
202 `((defun ,netlogo-callback-fn (,(intern "NETLOGO-CODE" *model-package*))
203 ,(netlogo-callback-body prims))))))))
205 (setf (documentation 'model->multi-form-lisp 'function)
206 "MODEL->MULTI-FORM-LISP MODEL BOOT-FN &key SEED INITIALIZE-INTERFACE NETLOGO-CALLBACK-FN => FORMS
208 ARGUMENTS AND VALUES:
211 BOOT-FN: A function name
212 SEED: An integer, defaults to 15
213 INITIALIZE-INTERFACE: A boolean
214 NETLOGO-CALLBACK-FN: a symbol
215 FORMS: A list of common lisp form
219 MODEL->MULTI-FORM-LISP takes a model and returns a multi form lisp program,
220 that when executed, sets up the model. Procedures map to defuns, globals
221 to defvars, etc. This can be output to load up quickly later. A function
222 named by BOOT-FN will be set for booting the program.
224 The SEED passed in is used to start the clnl-random RNG.
226 INITIALIZE-INTERFACE, when non nil, leads to initialization code for the
227 opengl interface being included.
229 NETLOGO-CALLBACK-FN is a symbol that will be defined as a function
230 to be called to execute code in the running netlogo instance.")