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Support the new smokegenerator (r1015073).
Annotate for file src/overload-resolution.lisp
2009-04-17 tobias 1 ;;; C++ overload resolution
15:26:55 ' 2 ;;; See: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2800.pdf
2009-08-27 tobias 3 ;;;
11:43:13 ' 4 ;;; We handle only the most common cases. Stuff like virtual inheritance
' 5 ;;; that is not needed is not implemented.
2009-04-17 tobias 6
15:26:55 ' 7 (in-package :smoke)
' 8
2009-06-22 tobias 9 (declaim (inline cmp))
12:18:08 ' 10 (defun cmp (a b)
2009-07-22 tobias 11 (- a b))
2009-06-22 tobias 12
2009-07-22 tobias 13 (declaim (inline strcmp))
22:26:05 ' 14 (defcfun strcmp :int (s1 :pointer) (s2 :pointer))
2009-04-17 tobias 15
2009-07-22 tobias 16 (declaim (inline cstring/=))
2009-06-22 tobias 17 (defun cstring/= (string1 string2)
12:18:08 ' 18 "Returns T when the C strings STRING1 and STRING2 are not equal
' 19 and NIL otherwise."
2009-07-22 tobias 20 (not (zerop (strcmp string1 string2))))
2009-04-17 tobias 21
2009-06-22 tobias 22 (defun method-cmp (method class-id name)
12:18:08 ' 23 "Compares METHOD to the method with NAME of class CLASS-ID."
' 24 (declare (foreign-pointer name)
' 25 (type (smoke-index 0) class-id)
' 26 (smoke-method method)
' 27 (optimize (speed 3) (debug 0) (safety 0)))
' 28 (let ((id-cmp (cmp (the (smoke-index 0) (method-slot-value method 'class))
' 29 (the (smoke-index 0) class-id))))
2009-07-22 tobias 30 (declare (type smoke-index id-cmp))
2009-06-22 tobias 31 (if (/= 0 id-cmp)
12:18:08 ' 32 id-cmp
2009-07-22 tobias 33 (strcmp (smoke-method-name method)
2009-06-22 tobias 34 name))))
12:18:08 ' 35
2009-07-08 tobias 36 (declaim (inline first-unabigious-index))
2009-06-22 tobias 37 (defun first-unabigious-index (smoke index)
12:18:08 ' 38 (declare (type smoke-index index)
2009-04-17 tobias 39 (optimize (speed 3)))
2009-06-22 tobias 40 (if (>= index 0)
12:18:08 ' 41 index
' 42 (mem-aref (smoke-module-ambiguous-method-list smoke)
' 43 'smoke-index
' 44 (- index))))
2009-04-17 tobias 45
2009-06-22 tobias 46 (defun find-method-for-class (name class)
12:18:08 ' 47 "Returns the index of a method with name NAME for class CLASS."
' 48 (declare (type foreign-pointer name)
' 49 (type smoke-class class)
' 50 (optimize (speed 3)))
' 51 (let* ((start 1) ;; 0 is "no method"
2009-06-30 tobias 52 (class-id (id class))
22:47:39 ' 53 (smoke (smoke class))
2009-07-03 tobias 54 (end (1+ (smoke-array-length (smoke-module-method-maps smoke)))))
2009-07-08 tobias 55 (declare (type (smoke-index 0) start end)
20:41:19 ' 56 (dynamic-extent start))
2009-06-22 tobias 57 (loop until (> start end) do
12:18:08 ' 58 (let* ((index (the smoke-index (floor (+ end start) 2)))
' 59 (method (make-smoke-method
' 60 :smoke smoke
' 61 :id (the (smoke-index 0)
' 62 (first-unabigious-index
' 63 smoke
' 64 (foreign-slot-value
' 65 (mem-aref (smoke-array-pointer
' 66 (smoke-module-method-maps
' 67 smoke))
' 68 'smoke-method-map index)
' 69 'smoke-method-map
' 70 'method)))))
2009-07-22 tobias 71 (cmp (the smoke-index (method-cmp method class-id name))))
22:26:05 ' 72 (declare (type smoke-index cmp)
2009-07-08 tobias 73 (dynamic-extent method))
2009-07-22 tobias 74 (if (< cmp 0)
22:26:05 ' 75 (setf start (1+ index))
' 76 (if (> cmp 0)
' 77 (setf end (1- index))
' 78 (return-from find-method-for-class index))))))
2009-06-22 tobias 79 -1)
2009-04-17 tobias 80
2009-08-27 tobias 81 (defmacro push-candidate-method (index name argument-count class methods
11:43:13 ' 82 const-p)
2009-06-22 tobias 83 (with-gensyms (method-map method-index method ambig-index i smoke)
12:18:08 ' 84 `(let* ((,smoke (smoke ,class))
' 85 (,method-map (mem-aref
' 86 (smoke-array-pointer
' 87 (smoke-module-method-maps ,smoke))
' 88 'smoke-method-map
2009-07-22 tobias 89 (the smoke-index ,index)))
2009-06-22 tobias 90 (,method-index (foreign-slot-value ,method-map 'smoke-method-map 'method))
12:18:08 ' 91 (,method (make-smoke-method
' 92 :smoke ,smoke
' 93 :id (first-unabigious-index
' 94 ,smoke
' 95 ,method-index))))
' 96 (declare (type smoke-index ,method-index))
' 97 (if (cstring/= ,name
' 98 (smoke-method-name ,method))
' 99 nil
' 100 (progn
' 101 (when (= (the smoke-index ,argument-count)
' 102 (the smoke-index (get-arguments-length ,method)))
' 103 (if (< ,method-index 0)
' 104 (let ((,ambig-index (- ,method-index)))
' 105 (declare (type smoke-index ,ambig-index))
' 106 (loop as ,i = (the smoke-index
' 107 (mem-aref (smoke-module-ambiguous-method-list
' 108 ,smoke)
' 109 'smoke-index
' 110 ,ambig-index))
' 111 while (> (the smoke-index ,i) 0) do
2009-08-27 tobias 112 (incf ,ambig-index)
11:43:13 ' 113 (let ((,method (make-smoke-method :smoke ,smoke
' 114 :id ,i)))
' 115 (unless (and ,const-p (not (const-p ,method)))
' 116 (push ,method ,methods)))))
' 117 (unless (and ,const-p (not (const-p ,method)))
' 118 (push ,method ,methods))))
2009-06-22 tobias 119 t)))))
2009-05-11 tobias 120
2009-08-30 tobias 121 (defun all-smoke-superclasses (class)
14:12:44 ' 122 "Returns a list of all super-classes of CLASS and CLASS itself."
' 123 (declare (optimize (speed 3)))
' 124 (let ((classes (list class)))
' 125 (dolist (class (closer-mop:class-direct-superclasses class) classes)
' 126 (when (typep class 'smoke-standard-class)
' 127 (setf classes (append (all-smoke-superclasses class) classes))))))
' 128
2009-08-27 tobias 129 (defun viable-functions (name argument-count class &optional const-p)
2009-06-22 tobias 130 (declare (optimize (speed 3)))
12:18:08 ' 131 (with-foreign-string (name name)
2009-07-22 tobias 132 (let ((methods))
2009-08-27 tobias 133 (let ((smoke (smoke class)))
11:43:13 ' 134 (let ((start-index (find-method-for-class name class)))
' 135 (declare (type smoke-index start-index))
' 136 (when (>= start-index 0)
' 137 (loop for index from start-index downto 1
' 138 while (push-candidate-method index name argument-count class
' 139 methods const-p))
' 140 (loop for index from (1+ start-index)
' 141 to (the smoke-index (smoke-array-length
' 142 (smoke-module-method-maps smoke)))
' 143 while (push-candidate-method index name argument-count class
' 144 methods const-p)))))
2009-06-22 tobias 145 methods)))
12:18:08 ' 146
2009-07-08 tobias 147 (declaim (inline make-conversion make-exact-match make-promotion
20:41:19 ' 148 make-number-conversion make-pointer-conversion
' 149 make-boolean-conversion make-user-conversion))
' 150 (defstruct conversion
2009-09-01 tobias 151 (function-name nil :type (or symbol function) :read-only t)
2009-07-08 tobias 152 (rank -1 :type fixnum :read-only t))
2009-04-17 tobias 153
2009-07-22 tobias 154 (defstruct (exact-match (:include conversion (rank 0))))
2009-04-17 tobias 155
2009-07-22 tobias 156 (defstruct (promotion (:include conversion (rank 1))))
2009-04-17 tobias 157
2009-07-22 tobias 158 (defstruct (number-conversion (:include conversion (rank 2))))
2009-04-17 tobias 159
2009-07-22 tobias 160 (defstruct (pointer-conversion (:include conversion (rank 3)))
2009-07-08 tobias 161 (from (find-class t) :type class :read-only t)
20:41:19 ' 162 (to (find-class t) :type class :read-only t))
2009-04-17 tobias 163
2009-07-22 tobias 164 (defstruct (boolean-conversion (:include conversion (rank 4))))
2009-04-17 tobias 165
2009-07-22 tobias 166 (defstruct (user-conversion (:include conversion (rank 5))))
2009-04-17 tobias 167
2009-08-27 tobias 168 (defgeneric conversion<= (conversion1 conversion2)
2009-04-17 tobias 169 ;; 13.3.3.2 Ranking implicit conversion sequences
15:26:55 ' 170 ;; 4
' 171 (:method (conversion1 conversion2)
2009-06-22 tobias 172 (declare (optimize (speed 3)))
2009-08-27 tobias 173 (and (not (null conversion1))
11:43:13 ' 174 (or (null conversion2)
' 175 (<= (the fixnum (conversion-rank conversion1))
' 176 (the fixnum (conversion-rank conversion2))))))
2009-04-17 tobias 177 (:method ((conversion1 pointer-conversion) (conversion2 pointer-conversion))
2009-06-22 tobias 178 (declare (optimize (speed 3)))
2009-07-08 tobias 179 (if (eq (pointer-conversion-from conversion1)
20:41:19 ' 180 (pointer-conversion-from conversion2))
2009-04-17 tobias 181 ;; A->B < A->C <=> B subclass of C
2009-07-08 tobias 182 (subtypep (pointer-conversion-to conversion1)
20:41:19 ' 183 (pointer-conversion-to conversion2))
' 184 (if (eq (pointer-conversion-to conversion1)
' 185 (pointer-conversion-to conversion2))
2009-04-17 tobias 186 ;; B->A < C->A <=> B subclass of C
2009-07-08 tobias 187 (subtypep (pointer-conversion-from conversion1)
20:41:19 ' 188 (pointer-conversion-from conversion2))
2009-04-17 tobias 189 nil))))
15:26:55 ' 190
' 191 (defgeneric conversion= (conversion1 conversion2)
' 192 (:method (conversion1 conversion2)
2009-08-27 tobias 193 (and (conversion<= conversion1 conversion2)
11:43:13 ' 194 (conversion<= conversion2 conversion1)))
2009-05-11 tobias 195 (:method ((conversion1 (eql nil)) (conversion2 (eql nil)))
2009-07-22 tobias 196 t))
2009-04-17 tobias 197
15:26:55 ' 198 (defun max-conversion (conversion1 conversion2)
2009-05-11 tobias 199 "Returns the greater conversion of CONVERSION1 and CONVERSION2."
2009-04-17 tobias 200 (if (null conversion2)
15:26:55 ' 201 conversion1
2009-08-27 tobias 202 (if (conversion<= conversion1 conversion2)
2009-04-17 tobias 203 conversion2
15:26:55 ' 204 conversion1)))
2009-05-11 tobias 205
2010-02-20 tobias 206 (eval-when (:compile-toplevel :load-toplevel :execute)
17:24:36 ' 207 (defun conversion-function (name &optional arg)
' 208 (if arg
' 209 `(if (using-typep)
' 210 `(,,name
' 211 (find-class ',(class-name ,arg)))
' 212 #'(lambda (object)
' 213 (funcall (fdefinition ,name)
' 214 object ,arg)))
' 215 `(if (using-typep)
' 216 ,name
' 217 (fdefinition ,name)))))
' 218
2009-09-01 tobias 219 (defmacro make-match (type &optional (name ''identity)
11:44:21 ' 220 (argument nil)
2009-05-11 tobias 221 &rest args)
2010-02-20 tobias 222 `(,(symbolicate 'make- (eval type))
2009-09-01 tobias 223 :function-name ,(conversion-function name argument)
11:44:21 ' 224 ,@args))
2009-04-17 tobias 225
2009-05-11 tobias 226 (defun+using-type get-conversion-sequence object (object type &optional user)
2009-07-01 tobias 227 "Retrains a conversion sequence to convert a instance of type CLASS
2009-05-11 tobias 228 to an instance of type TYPE. When USER is true user conversions are considered."
2009-07-08 tobias 229 (if-let (match (call-using-type exact-match object type))
14:56:52 ' 230 (if (eql t match)
' 231 (make-match 'exact-match)
' 232 (make-match 'exact-match match))
' 233 (or (call-using-type promotion object type)
' 234 (call-using-type conversion object type)
' 235 (and user
' 236 (call-using-type user-conversion object type)))))
2009-04-17 tobias 237
2009-05-11 tobias 238 (defun+using-types standard-conversion-sequence (method classes &optional user)
11:07:39 ' 239 "Returns the conversion sequences to convert the arguments of types CLASSES
' 240 to the types required by METHOD."
2009-08-27 tobias 241 (if (null classes)
11:43:13 ' 242 (values (make-match 'exact-match) nil)
' 243 (let ((max-rank)
' 244 (conversions))
' 245 (loop for type in (arguments method)
' 246 for class in classes do
' 247 (let ((rank (call-using-type get-conversion-sequence class type user)))
' 248 (when (null rank)
' 249 (setf max-rank nil)
' 250 (return nil))
' 251 (setf max-rank (max-conversion rank max-rank))
' 252 (push (conversion-function-name rank) conversions)))
' 253 (values max-rank (reverse conversions)))))
2009-04-17 tobias 254
2009-05-11 tobias 255 (defun+using-types conversion-sequence (method classes)
11:07:39 ' 256 (call-using-types standard-conversion-sequence method classes t))
2009-04-17 tobias 257
2009-08-27 tobias 258 (defun+using-types find-best-viable-function (name arguments class
11:43:13 ' 259 &optional const-p)
2009-05-11 tobias 260 "Returns the method named NAME of class CLASS that can be called
11:07:39 ' 261 using arguments of types TYPES with the lowest conversion sequence."
' 262 (call-using-types find-best-viable-function2
' 263 (function-using-types conversion-sequence)
2009-08-27 tobias 264 name arguments class const-p))
2009-04-17 tobias 265
2009-08-27 tobias 266 (defun+using-types find-best-viable-function2 (get-sequence name objects class
11:43:13 ' 267 &optional const-p)
2009-05-11 tobias 268 (when (and (using-typep)
11:07:39 ' 269 (not (typep class 'smoke-standard-class)))
' 270 (throw 'unspecific-type class))
2009-05-11 tobias 271 (let ((viable-functions (viable-functions name (length objects)
2009-08-27 tobias 272 class const-p))
2009-05-11 tobias 273 (best-rank)
2009-04-17 tobias 274 (best-method)
15:26:55 ' 275 (conversions))
2009-08-27 tobias 276 (if (null viable-functions)
11:43:13 ' 277 (dolist (class (closer-mop:class-direct-superclasses class)
' 278 (values best-method nil))
' 279 (when (typep class 'smoke-standard-class)
' 280 (multiple-value-bind (method conversions)
' 281 (call-using-types find-best-viable-function2 get-sequence name objects class const-p)
' 282 (when method
' 283 (return (values method conversions))))))
' 284 (loop for method in viable-functions
' 285 finally (return (values best-method conversions)) do
' 286 (block next
' 287 (multiple-value-bind (rank method-conversions)
' 288 (funcall get-sequence method objects)
' 289 (when (and rank (conversion<= rank best-rank))
' 290 (when (conversion= rank best-rank)
' 291 ;; FIXME catch all ambigious overloads
' 292 (if const-p
' 293 (error "Ambigious overload ~A." method)
' 294 (when (const-p method)
' 295 ;; assume that the previous method is a non
' 296 ;; const one and thus more specific.
' 297 (return-from next))))
' 298 (setf best-rank rank)
' 299 (setf best-method method)
' 300 (setf conversions method-conversions)
' 301 (when (and (conversion= rank (make-match 'exact-match))
' 302 (not (xor const-p (const-p method))))
' 303 (return (values method conversions))))))))))
2009-04-17 tobias 304
2009-05-11 tobias 305 (defvar *from-lisp-translations* (make-hash-table :test 'equal))
11:07:39 ' 306
' 307 (defmacro define-from-lisp-translation (type-names lisp-type
' 308 &optional
' 309 (conversion-function-name 'identity))
2009-05-11 tobias 310 "Defines a translation from LISP-TYPE to the C++ types TYPE-NAMES using
14:11:35 ' 311 the function CONVERSION-FUNCTION-NAME."
2009-05-11 tobias 312 `(progn ,@(loop for type-name in (ensure-list type-names)
2009-05-11 tobias 313 collect `(setf (gethash ,type-name *from-lisp-translations*)
2009-09-02 tobias 314 #'(lambda (type)
11:49:34 ' 315 (and (subtypep type ',lisp-type)
2009-05-11 tobias 316 ',conversion-function-name))))))
11:07:39 ' 317
' 318 (define-from-lisp-translation ("void*" "const void*" "void**" "const void**")
' 319 foreign-pointer)
' 320
' 321 ;; FIXME grovel this?
' 322 (deftype c-integer (ctype)
' 323 (let ((bits (* 8 (foreign-type-size ctype))))
2009-05-11 tobias 324 (if (starts-with-subseq
2009-05-11 tobias 325 (symbol-name :unsigned)
11:07:39 ' 326 (symbol-name ctype))
' 327 `(unsigned-byte ,bits)
' 328 `(signed-byte ,bits))))
' 329
' 330
' 331 (defun+using-type exact-match object (object type)
' 332 "Test for an exact match."
2009-04-17 tobias 333 (case (type-id type)
2009-06-22 tobias 334 (0 (when-let (test (gethash (name type) *from-lisp-translations*))
2009-09-02 tobias 335 (funcall test (object.type-of))))
2009-05-11 tobias 336 (1 (object.typep 'boolean))
11:07:39 ' 337 (2 (object.typep 'standard-char))
' 338 (3 (object.typep '(c-integer :unsigned-char)))
' 339 (4 (object.typep '(c-integer :short)))
' 340 (5 (object.typep '(c-integer :unsigned-short)))
' 341 (6 (object.typep '(c-integer :int)))
' 342 (7 (object.typep '(c-integer :unsigned-int)))
2010-02-20 tobias 343 (8 (object.typep '(c-integer :long)))
18:01:21 ' 344 (9 (object.typep '(c-integer :unsigned-long)))
2009-05-11 tobias 345 (10 (object.typep 'single-float))
11:07:39 ' 346 (11 (object.typep 'double-float))
2010-01-25 tobias 347 (12 (object.typep 'enum)) ;; FIXME enum-type
2009-09-09 tobias 348 (13 (and (object.typep 'smoke-standard-object)
13:22:32 ' 349 (smoke-type= (get-class type) (object.type-of))))))
2009-05-11 tobias 350
11:07:39 ' 351
' 352 (defun make-cleanup-pointer (pointer cleanup-function)
2009-05-26 tobias 353 "Returns a pointer that calls CLEANUP-FUNCTION with pointer as argument
09:54:47 ' 354 when it is finalized."
2009-05-11 tobias 355 (let ((address (pointer-address pointer)))
11:07:39 ' 356 (tg:finalize pointer #'(lambda ()
' 357 (funcall cleanup-function
' 358 (make-pointer address))))))
' 359
2009-04-17 tobias 360 (defun make-auto-pointer (pointer)
15:26:55 ' 361 "Returns a pointer that frees the memory at POINTER when it is finalized."
2009-05-26 tobias 362 (make-cleanup-pointer pointer #'foreign-free))
2009-04-17 tobias 363
2009-05-11 tobias 364 (defun coerce-c-string (string)
11:07:39 ' 365 (make-auto-pointer (foreign-string-alloc string)))
' 366
2010-02-20 tobias 367 (defun coerce-enum (enum)
2009-05-11 tobias 368 (cxx-support:value enum))
11:07:39 ' 369
2009-07-02 tobias 370 (defun coerce-double-float (number)
21:51:50 ' 371 (float number 0d0))
' 372
' 373 ;; FIXME incomplete
2009-05-11 tobias 374 (defun+using-type promotion object (object type)
2009-04-17 tobias 375 (declare (smoke-type type))
15:26:55 ' 376 (case (type-id type)
2009-05-11 tobias 377 (0 (when (and (string= (name type) "const char*")
11:07:39 ' 378 (object.typep 'string))
' 379 (make-match 'promotion 'coerce-c-string)))
' 380 (6 (when (object.typep 'enum)
2010-02-20 tobias 381 (make-match 'promotion 'coerce-enum)))
2009-05-11 tobias 382 (7 (when (object.typep 'enum)
2010-02-20 tobias 383 (make-match 'promotion 'coerce-enum)))
2009-07-02 tobias 384 (11 (when (object.typep 'real)
2010-02-20 tobias 385 (make-match 'promotion 'coerce-double-float)))))
2009-04-17 tobias 386
2009-05-26 tobias 387 (declaim (inline coerce-to-class))
2009-05-11 tobias 388 (defun coerce-cast (object to-class)
11:07:39 ' 389 (cast object to-class))
2009-04-17 tobias 390
2009-05-11 tobias 391 (defun coerce-to-void (object)
11:07:39 ' 392 object)
2009-04-17 tobias 393
2009-05-11 tobias 394 (defun+using-type conversion-cast object (object type)
11:07:39 ' 395 (when (and (class-p type)
' 396 (object.typep 'smoke-standard-object)
2009-08-27 tobias 397 (derived-p (object.type-of) (get-class type))
11:43:13 ' 398 (find-smoke-class (get-class type)))
2009-05-11 tobias 399 (make-match 'pointer-conversion
11:07:39 ' 400 'coerce-cast
' 401 (find-smoke-class (get-class type))
' 402 :from (object.type-of)
' 403 :to (find-smoke-class (get-class type)))))
' 404
' 405 (defun+using-type conversion-void object (object type)
' 406 (when (and (string= (name type) "void*")
' 407 (object.typep 'smoke-standard-object))
' 408 (make-match 'pointer-conversion
' 409 'coerce-void
' 410 nil
' 411 :from (object.type-of)
' 412 :to (find-class 't))))
' 413
' 414 (defun+using-type conversion-pointer object (object type)
2009-07-22 tobias 415 ;; Not using pointer-p to allow passing a raw pointer for objects on
22:26:05 ' 416 ;; the stack and references.
2009-05-24 tobias 417 ;; (e.g.: for qInstallMsgHandler(QtMsgHandler) )
21:28:44 ' 418 ;;
2009-07-22 tobias 419 ;; FIXME this breaks passing pointers to references.
22:26:05 ' 420 ;;
' 421 ;; e.g.: calling the function foo(QByteArray& foo) with
' 422 ;; (foo pointer) assumes pointer to point to a QByteArray, but
' 423 ;; actually the conversion sequence QByteArray(pointer) should be
' 424 ;; used. When pointer is a null pointer it fails horribly!.
2009-08-02 tobias 425 ;;
10:12:41 ' 426 ;; But it is needed for passing the int pointer in QApplication(int&, char**).
2009-05-24 tobias 427 (when (and (or (= 0 (type-id type)) ; voidp
21:28:44 ' 428 (= 13 (type-id type))) ; class
2009-05-11 tobias 429 (object.typep 'foreign-pointer))
11:07:39 ' 430 (make-match 'pointer-conversion 'identity nil
2009-08-02 tobias 431 :from (find-class 't)
10:12:41 ' 432 :to (find-class 't)))) ;; FIXME get the class when applicable
2009-05-11 tobias 433
11:07:39 ' 434
' 435 (defun+using-type conversion object (object type)
' 436 (or (call-using-type conversion-cast object type)
' 437 (call-using-type conversion-void object type)
' 438 (call-using-type conversion-pointer object type)))
' 439
' 440 (defun+using-type user-conversion object (object type)
' 441 (or (call-using-type operator-conversion object type)
' 442 (call-using-type constructor-conversion object type)))
' 443
2009-07-24 tobias 444 (defun conversion-operator-name (to-type)
13:32:23 ' 445 (concatenate 'string
' 446 "operator "
' 447 (if (class-p to-type)
' 448 (name (get-class to-type))
2009-08-27 tobias 449 (name to-type))))
2009-07-24 tobias 450
13:32:23 ' 451 (defun coerce-to-type (object method)
' 452 (pointer-call method (pointer object)))
' 453
2009-05-11 tobias 454 (defun+using-type operator-conversion object (object type)
11:07:39 ' 455 (when (object.typep 'smoke-standard-object)
' 456 (let ((method (find-smoke-method (object.type-of)
2009-07-24 tobias 457 (conversion-operator-name type))))
2009-05-11 tobias 458 (when (valid-p method)
2009-07-24 tobias 459 (if (pointer-p type)
13:32:23 ' 460 (make-match 'user-conversion
' 461 'coerce-to-type
' 462 method)
' 463 (make-match 'user-conversion
' 464 (lispify (name method) :cxx)))))))
2009-05-11 tobias 465
2009-05-26 tobias 466 (declaim (inline coerce-to-class))
2009-05-11 tobias 467 (defun coerce-to-class (object to-class)
11:07:39 ' 468 (make-instance to-class
' 469 :args (list object)))
' 470
' 471 (defun+using-type constructor-conversion object (object type)
' 472 (when (class-p type)
2009-08-27 tobias 473 (let ((to-class (find-smoke-class (get-class type) nil)))
11:43:13 ' 474 (when (and to-class
' 475 (call-using-types find-best-viable-function2
' 476 (if (using-typep)
' 477 #'standard-conversion-sequence-using-types
' 478 #'standard-conversion-sequence)
' 479 (constructor-name (get-class type))
' 480 (list object) to-class))
2010-01-10 tobias 481 (make-match 'user-conversion
17:31:42 ' 482 'coerce-to-class
' 483 to-class)))))
2009-04-17 tobias 484
15:26:55 ' 485 (defun call-sequence (method object sequence &rest args)
' 486 (s-call method object
2009-05-11 tobias 487 (mapcar #'(lambda (conversion argument)
11:07:39 ' 488 (funcall conversion argument))
' 489 sequence args)))
2009-05-27 tobias 490
17:47:28 ' 491 (defun format-no-applicable-cxx-method (stream name class arguments)
' 492 (format stream
' 493 "No applicable method ~S of ~A for ~S.
2009-07-02 tobias 494 Candidates are:~{~T~A~%~}."
2009-05-27 tobias 495 name class arguments
17:47:28 ' 496 (mapcar #'signature
' 497 (viable-functions name
' 498 (length arguments)
' 499 (smoke-class-of class)))))
' 500
' 501 (define-condition no-applicable-cxx-method (error)
' 502 ((method :initarg :method :reader condition-method)
' 503 (class :initarg :class :reader condition-class)
' 504 (arguments :initarg :arguments :reader condition-arguments))
' 505 (:report (lambda (condition stream)
' 506 (format-no-applicable-cxx-method stream
' 507 (condition-method condition)
' 508 (condition-class condition)
' 509 (condition-arguments condition)))))
2009-09-01 tobias 510
2009-04-17 tobias 511 (defun call-using-args (object-or-class name arguments)
2009-06-22 tobias 512 "Calls the method NAME of OBJECT-OR-CLASS with ARGUMENTS."
2009-09-09 tobias 513 (declare (optimize (speed 3)))
2009-08-27 tobias 514 (multiple-value-bind (method sequence)
11:43:13 ' 515 (find-best-viable-function name
' 516 arguments
' 517 (smoke-class-of object-or-class)
' 518 (when (typep object-or-class
' 519 'smoke-standard-object)
' 520 (const-p object-or-class)))
' 521 (when (null method)
' 522 (error (make-condition 'no-applicable-cxx-method
' 523 :method name
' 524 :class object-or-class
' 525 :arguments arguments)))
' 526 (if (static-p method)
' 527 (apply #'call-sequence method (null-pointer) sequence arguments)
' 528 (apply #'call-sequence method (cast object-or-class (get-class method))
' 529 sequence arguments))))
Crece desde el pueblo el futuro / crece desde el pie