Commit | Line | Data |
---|---|---|
0ce67a33 | 1 | (in-package "PARENSCRIPT") |
18dd299a | 2 | |
5a69278c VS |
3 | (defmacro with-local-macro-environment ((var env) &body body) |
4 | `(let* ((,var (make-macro-dictionary)) | |
5 | (,env (cons ,var ,env))) | |
6 | ,@body)) | |
7 | ||
18dd299a VS |
8 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
9 | ;;; literals | |
10 | (defmacro defpsliteral (name string) | |
4577df1c TC |
11 | `(progn |
12 | (add-ps-literal ',name) | |
e8fdcce7 | 13 | (define-ps-special-form ,name () |
0ce67a33 | 14 | (list 'js:literal ,string)))) |
18dd299a VS |
15 | |
16 | (defpsliteral this "this") | |
17 | (defpsliteral t "true") | |
18 | (defpsliteral true "true") | |
19 | (defpsliteral false "false") | |
20 | (defpsliteral f "false") | |
21 | (defpsliteral nil "null") | |
22 | (defpsliteral undefined "undefined") | |
23 | ||
c452748e TC |
24 | (macrolet ((def-for-literal (name printer) |
25 | `(progn | |
4577df1c | 26 | (add-ps-literal ',name) |
e8fdcce7 | 27 | (define-ps-special-form ,name (&optional label) |
c452748e | 28 | (list ',printer label))))) |
0ce67a33 VS |
29 | (def-for-literal break js:break) |
30 | (def-for-literal continue js:continue)) | |
18dd299a | 31 | |
5a69278c VS |
32 | (define-ps-special-form quote (x) |
33 | (compile-parenscript-form | |
34 | (typecase x | |
35 | (cons `(array ,@(mapcar (lambda (x) (when x `',x)) x))) | |
36 | (null '(array)) | |
37 | (keyword x) | |
38 | (symbol (symbol-to-js-string x)) | |
39 | (number x) | |
40 | (string x)) | |
41 | :expecting expecting)) | |
fb469285 | 42 | |
18dd299a VS |
43 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
44 | ;;; unary operators | |
6a46e1ef TC |
45 | (macrolet ((def-unary-ops (&rest ops) |
46 | `(progn ,@(mapcar (lambda (op) | |
47 | (let ((op (if (listp op) (car op) op)) | |
48 | (spacep (if (listp op) (second op) nil))) | |
e8fdcce7 | 49 | `(define-ps-special-form ,op (x) |
0ce67a33 | 50 | (list 'js:unary-operator ',op |
5a69278c | 51 | (compile-parenscript-form (ps-macroexpand x) :expecting :expression) |
6a46e1ef TC |
52 | :prefix t :space ,spacep)))) |
53 | ops)))) | |
54 | (def-unary-ops ~ ! (new t) (delete t) (void t) (typeof t))) | |
18dd299a | 55 | |
6a46e1ef TC |
56 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
57 | ;;; statements | |
e8fdcce7 | 58 | (define-ps-special-form return (&optional value) |
5a69278c | 59 | `(js:return ,(compile-parenscript-form (ps-macroexpand value) :expecting :expression))) |
18dd299a | 60 | |
e8fdcce7 | 61 | (define-ps-special-form throw (value) |
5a69278c | 62 | `(js:throw ,(compile-parenscript-form (ps-macroexpand value) :expecting :expression))) |
6a46e1ef | 63 | |
18dd299a VS |
64 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
65 | ;;; arrays | |
e8fdcce7 | 66 | (define-ps-special-form array (&rest values) |
0ce67a33 | 67 | `(js:array ,@(mapcar (lambda (form) (compile-parenscript-form form :expecting :expression)) |
18dd299a VS |
68 | values))) |
69 | ||
e8fdcce7 | 70 | (define-ps-special-form aref (array &rest coords) |
5a69278c | 71 | `(js:aref ,(compile-parenscript-form (ps-macroexpand array) :expecting :expression) |
0ce67a33 | 72 | ,(mapcar (lambda (form) |
5a69278c | 73 | (compile-parenscript-form (ps-macroexpand form) :expecting :expression)) |
0ce67a33 | 74 | coords))) |
18dd299a | 75 | |
18dd299a VS |
76 | (defpsmacro list (&rest values) |
77 | `(array ,@values)) | |
78 | ||
79630c82 VS |
79 | (defpsmacro make-array (&rest initial-values) |
80 | `(new (*array ,@initial-values))) | |
18dd299a VS |
81 | |
82 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
83 | ;;; operators | |
e8fdcce7 | 84 | (define-ps-special-form incf (x &optional (delta 1)) |
5a69278c VS |
85 | (let ((x (ps-macroexpand x)) |
86 | (delta (ps-macroexpand delta))) | |
87 | (if (eql delta 1) | |
88 | `(js:unary-operator js:++ ,(compile-parenscript-form x :expecting :expression) :prefix t) | |
89 | `(js:operator js:+= ,(compile-parenscript-form x :expecting :expression) | |
90 | ,(compile-parenscript-form delta :expecting :expression))))) | |
18dd299a | 91 | |
e8fdcce7 | 92 | (define-ps-special-form decf (x &optional (delta 1)) |
0ce67a33 VS |
93 | (if (eql delta 1) |
94 | `(js:unary-operator js:-- ,(compile-parenscript-form x :expecting :expression) :prefix t) | |
95 | `(js:operator js:-= ,(compile-parenscript-form x :expecting :expression) | |
96 | ,(compile-parenscript-form delta :expecting :expression)))) | |
18dd299a | 97 | |
e8fdcce7 | 98 | (define-ps-special-form - (first &rest rest) |
0ce67a33 VS |
99 | (if rest |
100 | `(js:operator js:- ,@(mapcar (lambda (val) (compile-parenscript-form val :expecting :expression)) | |
101 | (cons first rest))) | |
102 | `(js:unary-operator js:- ,(compile-parenscript-form first :expecting :expression) :prefix t))) | |
18dd299a | 103 | |
e8fdcce7 | 104 | (define-ps-special-form not (x) |
5a69278c | 105 | (let ((form (compile-parenscript-form (ps-macroexpand x) :expecting :expression)) |
0ce67a33 VS |
106 | inverse-op) |
107 | (if (and (eq (car form) 'js:operator) | |
108 | (= (length (cddr form)) 2) | |
109 | (setf inverse-op (case (cadr form) | |
110 | (== '!=) | |
111 | (< '>=) | |
112 | (> '<=) | |
113 | (<= '>) | |
114 | (>= '<) | |
115 | (!= '==) | |
116 | (=== '!==) | |
117 | (!== '===)))) | |
118 | `(js:operator ,inverse-op ,@(cddr form)) | |
119 | `(js:unary-operator js:! ,form :prefix t)))) | |
18dd299a | 120 | |
18dd299a VS |
121 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
122 | ;;; control structures | |
123 | (defun flatten-blocks (body) | |
124 | (when body | |
125 | (if (and (listp (car body)) | |
0ce67a33 | 126 | (eq 'js:block (caar body))) |
fdfa77fc | 127 | (append (cdr (car body)) (flatten-blocks (cdr body))) |
18dd299a VS |
128 | (cons (car body) (flatten-blocks (cdr body)))))) |
129 | ||
130 | (defun constant-literal-form-p (form) | |
131 | (or (numberp form) | |
132 | (stringp form) | |
133 | (and (listp form) | |
0ce67a33 | 134 | (eq 'js:literal (car form))))) |
18dd299a | 135 | |
e8fdcce7 | 136 | (define-ps-special-form progn (&rest body) |
5a69278c VS |
137 | (let ((body (mapcar #'ps-macroexpand body))) |
138 | (if (and (eq expecting :expression) (= 1 (length body))) | |
139 | (compile-parenscript-form (car body) :expecting :expression) | |
140 | `(,(if (eq expecting :expression) 'js:|,| 'js:block) | |
141 | ,@(let* ((block (flatten-blocks (remove nil (mapcar (lambda (form) | |
142 | (compile-parenscript-form form :expecting expecting)) | |
143 | body))))) | |
144 | (append (remove-if #'constant-literal-form-p (butlast block)) (last block))))))) | |
18dd299a | 145 | |
e8fdcce7 | 146 | (define-ps-special-form cond (&rest clauses) |
18dd299a | 147 | (ecase expecting |
fdfa77fc VS |
148 | (:statement `(js:if ,(compile-parenscript-form (caar clauses) :expecting :expression) |
149 | ,(compile-parenscript-form `(progn ,@(cdar clauses))) | |
150 | ,@(loop for (test . body) in (cdr clauses) appending | |
151 | (if (eq t test) | |
152 | `(:else ,(compile-parenscript-form `(progn ,@body) :expecting :statement)) | |
153 | `(:else-if ,(compile-parenscript-form test :expecting :expression) | |
154 | ,(compile-parenscript-form `(progn ,@body) :expecting :statement)))))) | |
18dd299a VS |
155 | (:expression (make-cond-clauses-into-nested-ifs clauses)))) |
156 | ||
157 | (defun make-cond-clauses-into-nested-ifs (clauses) | |
158 | (if clauses | |
159 | (destructuring-bind (test &rest body) | |
160 | (car clauses) | |
161 | (if (eq t test) | |
162 | (compile-parenscript-form `(progn ,@body) :expecting :expression) | |
e8fdcce7 VS |
163 | `(js:? ,(compile-parenscript-form test :expecting :expression) |
164 | ,(compile-parenscript-form `(progn ,@body) :expecting :expression) | |
165 | ,(make-cond-clauses-into-nested-ifs (cdr clauses))))) | |
0ce67a33 | 166 | (compile-parenscript-form nil :expecting :expression))) ;; js:null |
18dd299a | 167 | |
e8fdcce7 | 168 | (define-ps-special-form if (test then &optional else) |
18dd299a | 169 | (ecase expecting |
e8fdcce7 VS |
170 | (:statement `(js:if ,(compile-parenscript-form test :expecting :expression) |
171 | ,(compile-parenscript-form `(progn ,then)) | |
fdfa77fc | 172 | ,@(when else `(:else ,(compile-parenscript-form `(progn ,else)))))) |
e8fdcce7 VS |
173 | (:expression `(js:? ,(compile-parenscript-form test :expecting :expression) |
174 | ,(compile-parenscript-form then :expecting :expression) | |
175 | ,(compile-parenscript-form else :expecting :expression))))) | |
176 | ||
177 | (define-ps-special-form switch (test-expr &rest clauses) | |
0ce67a33 VS |
178 | `(js:switch ,(compile-parenscript-form test-expr :expecting :expression) |
179 | ,(loop for (val . body) in clauses collect | |
b39a6394 | 180 | (cons (if (eq val 'default) |
0ce67a33 VS |
181 | 'default |
182 | (compile-parenscript-form val :expecting :expression)) | |
183 | (mapcar (lambda (x) (compile-parenscript-form x :expecting :statement)) | |
184 | body))))) | |
18dd299a VS |
185 | |
186 | (defpsmacro case (value &rest clauses) | |
187 | (labels ((make-clause (val body more) | |
587f3aa0 | 188 | (cond ((and (listp val) (not (eq (car val) 'quote))) |
18dd299a VS |
189 | (append (mapcar #'list (butlast val)) |
190 | (make-clause (first (last val)) body more))) | |
191 | ((member val '(t otherwise)) | |
192 | (make-clause 'default body more)) | |
193 | (more `((,val ,@body break))) | |
194 | (t `((,val ,@body)))))) | |
195 | `(switch ,value ,@(mapcon (lambda (clause) | |
196 | (make-clause (car (first clause)) | |
197 | (cdr (first clause)) | |
198 | (rest clause))) | |
199 | clauses)))) | |
200 | ||
201 | (defpsmacro when (test &rest body) | |
202 | `(if ,test (progn ,@body))) | |
203 | ||
204 | (defpsmacro unless (test &rest body) | |
205 | `(if (not ,test) (progn ,@body))) | |
206 | ||
207 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
208 | ;;; function definition | |
209 | (defun compile-function-definition (args body) | |
210 | (list (mapcar (lambda (arg) (compile-parenscript-form arg :expecting :symbol)) args) | |
5ffb1eba VS |
211 | (let* ((*enclosing-lexical-block-declarations* ()) |
212 | (body (compile-parenscript-form `(progn ,@body))) | |
213 | (var-decls (compile-parenscript-form | |
214 | `(progn ,@(mapcar (lambda (var) `(var ,var)) *enclosing-lexical-block-declarations*))))) | |
215 | `(js:block ,@(cdr var-decls) ,@(cdr body))))) | |
18dd299a | 216 | |
e8fdcce7 | 217 | (define-ps-special-form %js-lambda (args &rest body) |
0ce67a33 | 218 | `(js:lambda ,@(compile-function-definition args body))) |
18dd299a | 219 | |
e8fdcce7 | 220 | (define-ps-special-form %js-defun (name args &rest body) |
0ce67a33 | 221 | `(js:defun ,name ,@(compile-function-definition args body))) |
18dd299a VS |
222 | |
223 | (defun parse-function-body (body) | |
224 | (let* ((docstring | |
225 | (when (stringp (first body)) | |
226 | (first body))) | |
227 | (body-forms (if docstring (rest body) body))) | |
228 | (values body-forms docstring))) | |
229 | ||
230 | (defun parse-key-spec (key-spec) | |
66acaf33 | 231 | "parses an &key parameter. Returns 5 values: |
18dd299a VS |
232 | var, init-form, keyword-name, supplied-p-var, init-form-supplied-p. |
233 | ||
234 | Syntax of key spec: | |
235 | [&key {var | ({var | (keyword-name var)} [init-form [supplied-p-parameter]])}* | |
236 | " | |
237 | (let* ((var (cond ((symbolp key-spec) key-spec) | |
238 | ((and (listp key-spec) (symbolp (first key-spec))) (first key-spec)) | |
62ddca23 | 239 | ((and (listp key-spec) (listp (first key-spec))) (second (first key-spec))))) |
18dd299a VS |
240 | (keyword-name (if (and (listp key-spec) (listp (first key-spec))) |
241 | (first (first key-spec)) | |
242 | (intern (string var) :keyword))) | |
243 | (init-form (if (listp key-spec) (second key-spec) nil)) | |
244 | (init-form-supplied-p (if (listp key-spec) t nil)) | |
245 | (supplied-p-var (if (listp key-spec) (third key-spec) nil))) | |
246 | (values var init-form keyword-name supplied-p-var init-form-supplied-p))) | |
247 | ||
248 | (defun parse-optional-spec (spec) | |
249 | "Parses an &optional parameter. Returns 3 values: var, init-form, supplied-p-var. | |
250 | [&optional {var | (var [init-form [supplied-p-parameter]])}*] " | |
251 | (let* ((var (cond ((symbolp spec) spec) | |
252 | ((and (listp spec) (first spec))))) | |
253 | (init-form (if (listp spec) (second spec))) | |
254 | (supplied-p-var (if (listp spec) (third spec)))) | |
255 | (values var init-form supplied-p-var))) | |
256 | ||
257 | (defun parse-aux-spec (spec) | |
258 | "Returns two values: variable and init-form" | |
259 | ;; [&aux {var | (var [init-form])}*]) | |
260 | (values (if (symbolp spec) spec (first spec)) | |
261 | (when (listp spec) (second spec)))) | |
262 | ||
263 | (defpsmacro defaultf (place value) | |
0e198f66 TC |
264 | `(when (=== ,place undefined) |
265 | (setf ,place ,value))) | |
18dd299a VS |
266 | |
267 | (defun parse-extended-function (lambda-list body &optional name) | |
268 | "Returns two values: the effective arguments and body for a function with | |
269 | the given lambda-list and body." | |
270 | ||
271 | ;; The lambda list is transformed as follows, since a javascript lambda list is just a | |
272 | ;; list of variable names, and you have access to the arguments variable inside the function: | |
273 | ;; * standard variables are the mapped directly into the js-lambda list | |
274 | ;; * optional variables' variable names are mapped directly into the lambda list, | |
275 | ;; and for each optional variable with name v and default value d, a form is produced | |
276 | ;; (defaultf v d) | |
66acaf33 DG |
277 | ;; * keyword variables are not included in the js-lambda list, but instead are |
278 | ;; obtained from the magic js ARGUMENTS pseudo-array. Code assigning values to | |
279 | ;; keyword vars is prepended to the body of the function. | |
18dd299a VS |
280 | (declare (ignore name)) |
281 | (multiple-value-bind (requireds optionals rest? rest keys? keys allow? aux? aux | |
282 | more? more-context more-count key-object) | |
283 | (parse-lambda-list lambda-list) | |
66acaf33 DG |
284 | (declare (ignore allow? aux? aux more? more-context more-count key-object)) |
285 | (let* (;; optionals are of form (var default-value) | |
18dd299a VS |
286 | (effective-args |
287 | (remove-if | |
288 | #'null | |
289 | (append requireds | |
66acaf33 DG |
290 | (mapcar #'parse-optional-spec optionals)))) |
291 | (opt-forms | |
292 | (mapcar #'(lambda (opt-spec) | |
293 | (multiple-value-bind (var val) (parse-optional-spec opt-spec) | |
294 | `(defaultf ,var ,val))) | |
295 | optionals)) | |
296 | (key-forms | |
297 | (when keys? | |
4525e3cd VS |
298 | (if (< *js-target-version* 1.6) |
299 | (with-ps-gensyms (n) | |
300 | (let ((decls nil) (assigns nil) (defaults nil)) | |
301 | (mapc (lambda (k) | |
302 | (multiple-value-bind (var init-form keyword-str) | |
303 | (parse-key-spec k) | |
304 | (push `(var ,var) decls) | |
305 | (push `(,keyword-str (setf ,var (aref arguments (1+ ,n)))) assigns) | |
306 | (push (list 'defaultf var init-form) defaults))) | |
307 | (reverse keys)) | |
308 | `(,@decls | |
309 | (loop :for ,n :from ,(length requireds) | |
310 | :below (length arguments) :by 2 :do | |
311 | (case (aref arguments ,n) ,@assigns)) | |
312 | ,@defaults))) | |
313 | (mapcar (lambda (k) | |
314 | (multiple-value-bind (var init-form keyword-str) | |
315 | (parse-key-spec k) | |
316 | (with-ps-gensyms (x) | |
317 | `(let ((,x ((@ *Array prototype index-of call) arguments ,keyword-str ,(length requireds)))) | |
318 | (var ,var (if (= -1 ,x) ,init-form (aref arguments (1+ ,x)))))))) | |
319 | keys)))) | |
18dd299a VS |
320 | (rest-form |
321 | (if rest? | |
322 | (with-ps-gensyms (i) | |
f326f929 | 323 | `(progn (var ,rest (array)) |
0ce67a33 | 324 | (dotimes (,i (- (slot-value arguments 'length) ,(length effective-args))) |
18dd299a VS |
325 | (setf (aref ,rest ,i) (aref arguments (+ ,i ,(length effective-args))))))) |
326 | `(progn))) | |
66acaf33 DG |
327 | (body-paren-forms (parse-function-body body)) ; remove documentation |
328 | (effective-body (append opt-forms key-forms (list rest-form) body-paren-forms))) | |
18dd299a VS |
329 | (values effective-args effective-body)))) |
330 | ||
331 | (defpsmacro defun (name lambda-list &body body) | |
332 | "An extended defun macro that allows cool things like keyword arguments. | |
333 | lambda-list::= | |
334 | (var* | |
335 | [&optional {var | (var [init-form [supplied-p-parameter]])}*] | |
336 | [&rest var] | |
337 | [&key {var | ({var | (keyword-name var)} [init-form [supplied-p-parameter]])}* [&allow-other-keys]] | |
338 | [&aux {var | (var [init-form])}*])" | |
339 | (if (symbolp name) | |
340 | `(defun-function ,name ,lambda-list ,@body) | |
b39a6394 | 341 | (progn (assert (and (listp name) (= (length name) 2) (eq 'setf (car name))) () |
18dd299a VS |
342 | "(defun ~s ~s ...) needs to have a symbol or (setf symbol) for a name." name lambda-list) |
343 | `(defun-setf ,name ,lambda-list ,@body)))) | |
344 | ||
345 | (defpsmacro defun-function (name lambda-list &body body) | |
346 | (multiple-value-bind (effective-args effective-body) | |
347 | (parse-extended-function lambda-list body name) | |
348 | `(%js-defun ,name ,effective-args | |
349 | ,@effective-body))) | |
350 | ||
18dd299a VS |
351 | (defpsmacro lambda (lambda-list &body body) |
352 | "An extended defun macro that allows cool things like keyword arguments. | |
353 | lambda-list::= | |
354 | (var* | |
355 | [&optional {var | (var [init-form [supplied-p-parameter]])}*] | |
356 | [&rest var] | |
357 | [&key {var | ({var | (keyword-name var)} [init-form [supplied-p-parameter]])}* [&allow-other-keys]] | |
358 | [&aux {var | (var [init-form])}*])" | |
359 | (multiple-value-bind (effective-args effective-body) | |
360 | (parse-extended-function lambda-list body) | |
361 | `(%js-lambda ,effective-args | |
362 | ,@effective-body))) | |
363 | ||
5a69278c VS |
364 | (define-ps-special-form flet (fn-defs &rest body) |
365 | (let ((fn-renames (make-macro-dictionary))) | |
366 | (loop for (fn-name . def) in fn-defs do | |
367 | (setf (gethash fn-name fn-renames) (ps-gensym fn-name))) | |
368 | (let ((fn-defs (compile-parenscript-form | |
369 | `(progn ,@(loop for (fn-name . def) in fn-defs collect | |
370 | `(var ,(gethash fn-name fn-renames) (lambda ,@def)))) | |
371 | :expecting expecting)) | |
372 | (*ps-local-function-names* (cons fn-renames *ps-local-function-names*))) | |
373 | (append fn-defs (cdr (compile-parenscript-form `(progn ,@body) :expecting expecting)))))) | |
374 | ||
375 | (define-ps-special-form labels (fn-defs &rest body) | |
376 | (with-local-macro-environment (local-fn-renames *ps-local-function-names*) | |
377 | (loop for (fn-name . def) in fn-defs do | |
378 | (setf (gethash fn-name local-fn-renames) (ps-gensym fn-name))) | |
379 | (compile-parenscript-form | |
380 | `(progn ,@(loop for (fn-name . def) in fn-defs collect | |
381 | `(var ,(gethash fn-name local-fn-renames) (lambda ,@def))) | |
382 | ,@body) | |
383 | :expecting expecting))) | |
ef3be63e | 384 | |
5a69278c VS |
385 | (defvar *defun-setf-name-prefix* "__setf_") |
386 | ||
387 | (defpsmacro defun-setf (setf-name lambda-list &body body) | |
388 | (let ((mangled-function-name (intern (concatenate 'string *defun-setf-name-prefix* (symbol-name (second setf-name))) | |
389 | (symbol-package (second setf-name)))) | |
390 | (function-args (cdr (ordered-set-difference lambda-list lambda-list-keywords)))) | |
391 | (ps* `(defsetf ,(second setf-name) ,(cdr lambda-list) (store-var) | |
392 | `(,',mangled-function-name ,store-var ,@(list ,@function-args)))) | |
393 | `(defun ,mangled-function-name ,lambda-list ,@body))) | |
ef3be63e | 394 | |
18dd299a | 395 | (defpsmacro defsetf-long (access-fn lambda-list (store-var) form) |
5a69278c | 396 | (setf (gethash access-fn *ps-setf-expanders*) |
18dd299a VS |
397 | (compile nil |
398 | (let ((var-bindings (ordered-set-difference lambda-list lambda-list-keywords))) | |
399 | `(lambda (access-fn-args store-form) | |
400 | (destructuring-bind ,lambda-list | |
401 | access-fn-args | |
402 | (let* ((,store-var (ps-gensym)) | |
403 | (gensymed-names (loop repeat ,(length var-bindings) collecting (ps-gensym))) | |
404 | (gensymed-arg-bindings (mapcar #'list gensymed-names (list ,@var-bindings)))) | |
405 | (destructuring-bind ,var-bindings | |
406 | gensymed-names | |
58c4ef4f VS |
407 | `(let* (,@gensymed-arg-bindings |
408 | (,,store-var ,store-form)) | |
18dd299a VS |
409 | ,,form)))))))) |
410 | nil) | |
411 | ||
412 | (defpsmacro defsetf-short (access-fn update-fn &optional docstring) | |
413 | (declare (ignore docstring)) | |
5a69278c | 414 | (setf (gethash access-fn *ps-setf-expanders*) |
18dd299a VS |
415 | (lambda (access-fn-args store-form) |
416 | `(,update-fn ,@access-fn-args ,store-form))) | |
417 | nil) | |
418 | ||
419 | (defpsmacro defsetf (access-fn &rest args) | |
420 | `(,(if (= (length args) 3) 'defsetf-long 'defsetf-short) ,access-fn ,@args)) | |
421 | ||
59217e4c VS |
422 | (defpsmacro funcall (&rest arg-form) |
423 | arg-form) | |
424 | ||
18dd299a VS |
425 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
426 | ;;; macros | |
e8fdcce7 | 427 | (define-ps-special-form macrolet (macros &body body) |
5a69278c | 428 | (with-local-macro-environment (local-macro-dict *ps-macro-env*) |
18dd299a VS |
429 | (dolist (macro macros) |
430 | (destructuring-bind (name arglist &body body) | |
431 | macro | |
5a69278c | 432 | (setf (gethash name local-macro-dict) (eval (make-ps-macro-function arglist body))))) |
3bfb836a | 433 | (compile-parenscript-form `(progn ,@body) :expecting expecting))) |
18dd299a | 434 | |
e8fdcce7 | 435 | (define-ps-special-form symbol-macrolet (symbol-macros &body body) |
5a69278c | 436 | (with-local-macro-environment (local-macro-dict *ps-symbol-macro-env*) |
18dd299a VS |
437 | (dolist (macro symbol-macros) |
438 | (destructuring-bind (name expansion) | |
439 | macro | |
5a69278c | 440 | (setf (gethash name local-macro-dict) (lambda (x) (declare (ignore x)) expansion)))) |
3bfb836a | 441 | (compile-parenscript-form `(progn ,@body) :expecting expecting))) |
18dd299a | 442 | |
0ce67a33 | 443 | (define-ps-special-form defmacro (name args &body body) ;; should this be a macro? |
8cfc6fe9 | 444 | (eval `(defpsmacro ,name ,args ,@body)) |
18dd299a VS |
445 | nil) |
446 | ||
0ce67a33 | 447 | (define-ps-special-form define-symbol-macro (name expansion) ;; should this be a macro? |
8cfc6fe9 | 448 | (eval `(define-ps-symbol-macro ,name ,expansion)) |
18dd299a VS |
449 | nil) |
450 | ||
451 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
452 | ;;; objects | |
79630c82 VS |
453 | (add-ps-literal '{}) |
454 | (define-ps-symbol-macro {} (create)) | |
455 | ||
e8fdcce7 | 456 | (define-ps-special-form create (&rest arrows) |
0ce67a33 VS |
457 | `(js:object ,@(loop for (key-expr val-expr) on arrows by #'cddr collecting |
458 | (let ((key (compile-parenscript-form key-expr :expecting :expression))) | |
459 | (when (keywordp key) | |
460 | (setf key `(js:variable ,key))) | |
461 | (assert (or (stringp key) | |
462 | (numberp key) | |
463 | (and (listp key) | |
464 | (or (eq 'js:variable (car key)) | |
465 | (eq 'quote (car key))))) | |
466 | () | |
467 | "Slot key ~s is not one of js-variable, keyword, string or number." key) | |
468 | (cons key (compile-parenscript-form val-expr :expecting :expression)))))) | |
18dd299a | 469 | |
e8fdcce7 | 470 | (define-ps-special-form %js-slot-value (obj slot) |
5a69278c VS |
471 | (let ((slot (ps-macroexpand slot))) |
472 | `(js:slot-value ,(compile-parenscript-form (ps-macroexpand obj) :expecting :expression) | |
473 | ,(if (and (listp slot) (eq 'quote (car slot))) | |
474 | (second slot) ;; assume we're quoting a symbol | |
475 | (compile-parenscript-form slot))))) | |
18dd299a | 476 | |
e8fdcce7 | 477 | (define-ps-special-form instanceof (value type) |
0ce67a33 VS |
478 | `(js:instanceof ,(compile-parenscript-form value :expecting :expression) |
479 | ,(compile-parenscript-form type :expecting :expression))) | |
18dd299a VS |
480 | |
481 | (defpsmacro slot-value (obj &rest slots) | |
482 | (if (null (rest slots)) | |
483 | `(%js-slot-value ,obj ,(first slots)) | |
484 | `(slot-value (slot-value ,obj ,(first slots)) ,@(rest slots)))) | |
485 | ||
486 | (defpsmacro with-slots (slots object &rest body) | |
487 | (flet ((slot-var (slot) (if (listp slot) (first slot) slot)) | |
b508414b | 488 | (slot-symbol (slot) (if (listp slot) (second slot) slot))) |
18dd299a | 489 | `(symbol-macrolet ,(mapcar #'(lambda (slot) |
b508414b TC |
490 | `(,(slot-var slot) (slot-value ,object ',(slot-symbol slot)))) |
491 | slots) | |
18dd299a VS |
492 | ,@body))) |
493 | ||
494 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
495 | ;;; assignment and binding | |
496 | (defun assignment-op (op) | |
497 | (case op | |
498 | (+ '+=) | |
499 | (~ '~=) | |
500 | (\& '\&=) | |
501 | (\| '\|=) | |
502 | (- '-=) | |
503 | (* '*=) | |
504 | (% '%=) | |
505 | (>> '>>=) | |
506 | (^ '^=) | |
507 | (<< '<<=) | |
508 | (>>> '>>>=) | |
509 | (/ '/=) | |
510 | (t nil))) | |
511 | ||
e8fdcce7 | 512 | (define-ps-special-form setf1% (lhs rhs) |
5a69278c VS |
513 | (let ((lhs (compile-parenscript-form (ps-macroexpand lhs) :expecting :expression)) |
514 | (rhs (compile-parenscript-form (ps-macroexpand rhs) :expecting :expression))) | |
0ce67a33 VS |
515 | (if (and (listp rhs) |
516 | (eq 'js:operator (car rhs)) | |
517 | (member (cadr rhs) '(+ *)) | |
518 | (equalp lhs (caddr rhs))) | |
519 | `(js:operator ,(assignment-op (cadr rhs)) ,lhs (js:operator ,(cadr rhs) ,@(cdddr rhs))) | |
520 | `(js:= ,lhs ,rhs)))) | |
18dd299a VS |
521 | |
522 | (defpsmacro setf (&rest args) | |
5a69278c VS |
523 | (assert (evenp (length args)) () |
524 | "~s does not have an even number of arguments." `(setf ,args)) | |
525 | `(progn ,@(loop for (place value) on args by #'cddr collect | |
526 | (let ((place (ps-macroexpand place))) | |
527 | (aif (and (listp place) (gethash (car place) *ps-setf-expanders*)) | |
528 | (funcall it (cdr place) value) | |
529 | `(setf1% ,place ,value)))))) | |
18dd299a | 530 | |
1fe28ee1 | 531 | (defpsmacro psetf (&rest args) |
5ffb1eba | 532 | (let ((places (loop for x in args by #'cddr collect x)) |
1fe28ee1 | 533 | (vals (loop for x in (cdr args) by #'cddr collect x))) |
5ffb1eba VS |
534 | (let ((gensyms (mapcar (lambda (x) (declare (ignore x)) (ps-gensym)) places))) |
535 | `(let ,(mapcar #'list gensyms vals) | |
536 | (setf ,@(mapcan #'list places gensyms)))))) | |
1fe28ee1 | 537 | |
ec227186 TC |
538 | (defun check-setq-args (args) |
539 | (let ((vars (loop for x in args by #'cddr collect x))) | |
540 | (let ((non-var (find-if (complement #'symbolp) vars))) | |
541 | (when non-var | |
542 | (error 'type-error :datum non-var :expected-type 'symbol))))) | |
543 | ||
544 | (defpsmacro setq (&rest args) | |
545 | (check-setq-args args) | |
546 | `(setf ,@args)) | |
547 | ||
548 | (defpsmacro psetq (&rest args) | |
549 | (check-setq-args args) | |
550 | `(psetf ,@args)) | |
551 | ||
0ce67a33 VS |
552 | (define-ps-special-form var (name &optional (value (values) value-provided?) documentation) |
553 | (declare (ignore documentation)) | |
058f137f VS |
554 | (let ((name (ps-macroexpand name))) |
555 | (ecase expecting | |
556 | (:statement | |
557 | `(js:var ,name ,@(when value-provided? | |
5a69278c | 558 | (list (compile-parenscript-form (ps-macroexpand value) :expecting :expression))))) |
058f137f VS |
559 | (:expression |
560 | (push name *enclosing-lexical-block-declarations*) | |
561 | (when value-provided? | |
562 | (compile-parenscript-form `(setf ,name ,value) :expecting :expression)))))) | |
18dd299a | 563 | |
0ce67a33 | 564 | (defpsmacro defvar (name &optional (value (values) value-provided?) documentation) |
5ffb1eba VS |
565 | ;; this must be used as a top-level form, otherwise the resulting behavior will be undefined. |
566 | (declare (ignore documentation)) | |
58c4ef4f | 567 | (pushnew name *ps-special-variables*) |
0ce67a33 | 568 | `(var ,name ,@(when value-provided? (list value)))) |
58c4ef4f | 569 | |
5ffb1eba VS |
570 | (defpsmacro let (bindings &body body) |
571 | (flet ((add-renamed-vars (bindings predicate) | |
572 | (mapcar (lambda (x) (append x (list (ps-gensym (car x))))) | |
573 | (remove-if predicate bindings :key #'car))) | |
574 | (var (x) (first x)) | |
575 | (val (x) (second x)) | |
576 | (renamed (x) (third x))) | |
577 | (let* ((normalized-bindings (mapcar (lambda (x) (if (symbolp x) `(,x nil) x)) bindings)) | |
578 | (lexical-bindings (add-renamed-vars normalized-bindings #'ps-special-variable-p)) | |
579 | (dynamic-bindings (add-renamed-vars normalized-bindings (complement #'ps-special-variable-p))) | |
580 | (renamed-body `(symbol-macrolet ,(mapcar (lambda (x) (list (var x) (renamed x))) | |
581 | lexical-bindings) | |
582 | ,@body))) | |
583 | `(progn | |
584 | ,@(mapcar (lambda (x) `(var ,(renamed x) ,(val x))) lexical-bindings) | |
585 | ,(if dynamic-bindings | |
586 | `(progn ,@(mapcar (lambda (x) `(var ,(renamed x))) dynamic-bindings) | |
587 | (try (progn (setf ,@(loop for x in dynamic-bindings append | |
588 | `(,(renamed x) ,(var x) | |
589 | ,(var x) ,(val x)))) | |
590 | ,renamed-body) | |
591 | (:finally | |
592 | (setf ,@(mapcan (lambda (x) `(,(var x) ,(renamed x))) dynamic-bindings))))) | |
593 | renamed-body))))) | |
3530f5e1 | 594 | |
5ffb1eba | 595 | (defpsmacro let* (bindings &body body) |
58c4ef4f | 596 | (if bindings |
5ffb1eba VS |
597 | `(let (,(car bindings)) |
598 | (let* ,(cdr bindings) | |
599 | ,@body)) | |
58c4ef4f VS |
600 | `(progn ,@body))) |
601 | ||
18dd299a VS |
602 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
603 | ;;; iteration | |
6a2ce72d TC |
604 | (defun make-for-vars/inits (init-forms) |
605 | (mapcar (lambda (x) | |
5a69278c VS |
606 | (cons (compile-parenscript-form (ps-macroexpand (if (atom x) x (first x))) :expecting :symbol) |
607 | (compile-parenscript-form (ps-macroexpand (if (atom x) nil (second x))) :expecting :expression))) | |
6a2ce72d | 608 | init-forms)) |
18dd299a | 609 | |
e8fdcce7 | 610 | (define-ps-special-form labeled-for (label init-forms cond-forms step-forms &rest body) |
0ce67a33 VS |
611 | `(js:for ,label |
612 | ,(make-for-vars/inits init-forms) | |
5a69278c VS |
613 | ,(mapcar (lambda (x) (compile-parenscript-form (ps-macroexpand x) :expecting :expression)) cond-forms) |
614 | ,(mapcar (lambda (x) (compile-parenscript-form (ps-macroexpand x) :expecting :expression)) step-forms) | |
0ce67a33 | 615 | ,(compile-parenscript-form `(progn ,@body)))) |
6a2ce72d TC |
616 | |
617 | (defpsmacro for (init-forms cond-forms step-forms &body body) | |
618 | `(labeled-for nil ,init-forms ,cond-forms ,step-forms ,@body)) | |
619 | ||
620 | (defun do-make-let-bindings (decls) | |
621 | (mapcar (lambda (x) | |
622 | (if (atom x) x | |
623 | (if (endp (cdr x)) (list (car x)) | |
624 | (subseq x 0 2)))) | |
625 | decls)) | |
626 | ||
627 | (defun do-make-init-vars (decls) | |
628 | (mapcar (lambda (x) (if (atom x) x (first x))) decls)) | |
629 | ||
630 | (defun do-make-init-vals (decls) | |
631 | (mapcar (lambda (x) (if (or (atom x) (endp (cdr x))) nil (second x))) decls)) | |
632 | ||
633 | (defun do-make-for-vars/init (decls) | |
634 | (mapcar (lambda (x) | |
635 | (if (atom x) x | |
636 | (if (endp (cdr x)) x | |
637 | (subseq x 0 2)))) | |
638 | decls)) | |
639 | ||
640 | (defun do-make-for-steps (decls) | |
641 | (mapcar (lambda (x) | |
642 | `(setf ,(first x) ,(third x))) | |
643 | (remove-if (lambda (x) (or (atom x) (< (length x) 3))) decls))) | |
644 | ||
645 | (defun do-make-iter-psteps (decls) | |
646 | `(psetq | |
647 | ,@(mapcan (lambda (x) (list (first x) (third x))) | |
648 | (remove-if (lambda (x) (or (atom x) (< (length x) 3))) decls)))) | |
649 | ||
650 | (defpsmacro do* (decls (termination &optional (result nil result?)) &body body) | |
651 | (if result? | |
652 | `((lambda () | |
653 | (for ,(do-make-for-vars/init decls) ((not ,termination)) ,(do-make-for-steps decls) | |
654 | ,@body) | |
655 | (return ,result))) | |
656 | `(progn | |
657 | (for ,(do-make-for-vars/init decls) ((not ,termination)) ,(do-make-for-steps decls) | |
658 | ,@body)))) | |
659 | ||
660 | (defpsmacro do (decls (termination &optional (result nil result?)) &body body) | |
661 | (if result? | |
662 | `((lambda ,(do-make-init-vars decls) | |
663 | (for () ((not ,termination)) () | |
664 | ,@body | |
665 | ,(do-make-iter-psteps decls)) | |
666 | (return ,result)) | |
667 | ,@(do-make-init-vals decls)) | |
668 | `(let ,(do-make-let-bindings decls) | |
669 | (for () ((not ,termination)) () | |
670 | ,@body | |
671 | ,(do-make-iter-psteps decls))))) | |
672 | ||
0ce67a33 | 673 | (define-ps-special-form for-in ((var object) &rest body) |
5ffb1eba | 674 | `(js:for-in ,(compile-parenscript-form var :expecting :expression) |
5a69278c | 675 | ,(compile-parenscript-form (ps-macroexpand object) :expecting :expression) |
0ce67a33 | 676 | ,(compile-parenscript-form `(progn ,@body)))) |
6a2ce72d | 677 | |
e8fdcce7 | 678 | (define-ps-special-form while (test &rest body) |
0ce67a33 VS |
679 | `(js:while ,(compile-parenscript-form test :expecting :expression) |
680 | ,(compile-parenscript-form `(progn ,@body)))) | |
18dd299a | 681 | |
6a2ce72d TC |
682 | (defpsmacro dotimes ((var count &optional (result nil result?)) &rest body) |
683 | `(do* ((,var 0 (1+ ,var))) | |
684 | ((>= ,var ,count) ,@(when result? (list result))) | |
685 | ,@body)) | |
686 | ||
687 | (defpsmacro dolist ((var array &optional (result nil result?)) &body body) | |
688 | (let ((idx (ps-gensym "_js_idx")) | |
689 | (arrvar (ps-gensym "_js_arrvar"))) | |
690 | `(do* (,var | |
691 | (,arrvar ,array) | |
692 | (,idx 0 (1+ ,idx))) | |
693 | ((>= ,idx (slot-value ,arrvar 'length)) | |
694 | ,@(when result? (list result))) | |
695 | (setq ,var (aref ,arrvar ,idx)) | |
696 | ,@body))) | |
18dd299a VS |
697 | |
698 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
699 | ;;; misc | |
e8fdcce7 | 700 | (define-ps-special-form with (expression &rest body) |
0ce67a33 VS |
701 | `(js:with ,(compile-parenscript-form expression :expecting :expression) |
702 | ,(compile-parenscript-form `(progn ,@body)))) | |
18dd299a | 703 | |
e8fdcce7 | 704 | (define-ps-special-form try (form &rest clauses) |
18dd299a VS |
705 | (let ((catch (cdr (assoc :catch clauses))) |
706 | (finally (cdr (assoc :finally clauses)))) | |
707 | (assert (not (cdar catch)) nil "Sorry, currently only simple catch forms are supported.") | |
708 | (assert (or catch finally) () | |
709 | "Try form should have either a catch or a finally clause or both.") | |
0ce67a33 VS |
710 | `(js:try ,(compile-parenscript-form `(progn ,form)) |
711 | :catch ,(when catch (list (compile-parenscript-form (caar catch) :expecting :symbol) | |
18dd299a | 712 | (compile-parenscript-form `(progn ,@(cdr catch))))) |
0ce67a33 | 713 | :finally ,(when finally (compile-parenscript-form `(progn ,@finally)))))) |
18dd299a | 714 | |
e8fdcce7 | 715 | (define-ps-special-form cc-if (test &rest body) |
0ce67a33 | 716 | `(js:cc-if ,test ,@(mapcar #'compile-parenscript-form body))) |
18dd299a | 717 | |
e8fdcce7 | 718 | (define-ps-special-form regex (regex) |
0ce67a33 | 719 | `(js:regex ,(string regex))) |
18dd299a | 720 | |
ceb1f277 VS |
721 | (define-ps-special-form lisp (lisp-form) |
722 | ;; (ps (foo (lisp bar))) is in effect equivalent to (ps* `(foo ,bar)) | |
723 | ;; when called from inside of ps*, lisp-form has access only to the dynamic environment (like for eval) | |
5a69278c | 724 | `(js:escape (compiled-form-to-string (compile-parenscript-form ,lisp-form :expecting ,expecting)))) |
8877a380 VS |
725 | |
726 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
727 | ;;; eval-when | |
728 | (define-ps-special-form eval-when (situation-list &body body) | |
729 | "(eval-when (situation*) body-form*) | |
730 | ||
731 | The body forms are evaluated only during the given SITUATION. The accepted SITUATIONS are | |
732 | :load-toplevel, :compile-toplevel, and :execute. The code in BODY-FORM is assumed to be | |
733 | COMMON-LISP code in :compile-toplevel and :load-toplevel sitations, and parenscript code in | |
734 | :execute. " | |
735 | (when (and (member :compile-toplevel situation-list) | |
5a69278c | 736 | (member *ps-compilation-level* '(:toplevel :inside-toplevel-form))) |
8877a380 VS |
737 | (eval `(progn ,@body))) |
738 | (if (member :execute situation-list) | |
739 | (compile-parenscript-form `(progn ,@body) :expecting expecting) | |
740 | (compile-parenscript-form `(progn) :expecting expecting))) |