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;;;; Objective-CL, an Objective-C bridge for Common Lisp.
;;;; Copyright (C) 2007 Matthias Andreas Benkard.
;;;;
;;;; This program is free software: you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public License
;;;; as published by the Free Software Foundation, either version 3 of
;;;; the License, or (at your option) any later version.
;;;;
;;;; This program is distributed in the hope that it will be useful, but
;;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this program. If not, see
;;;; <http://www.gnu.org/licenses/>.
(in-package #:mulk.objective-cl)
;;;; (@* "Allocation Parameters")
(defconstant +pessimistic-allocation-type+
(loop with max-c-type = :char
for c-type in '(:pointer :int :long :float :double
#-cffi-features:no-long-long :long-long
#-cffi-features:no-long-long :unsigned-long-long
:unsigned-char :unsigned-int :unsigned-long
:short :unsigned-short)
when (> (cffi:foreign-type-size c-type)
(cffi:foreign-type-size max-c-type))
do (progn (setq max-c-type c-type))
finally (return max-c-type)))
(defconstant +pessimistic-allocation-size+
(cffi:foreign-type-size +pessimistic-allocation-type+))
;;;; (@* "The constant data")
;;; Copied from objc-api.h
;;; Probably ought to be generated by C code at initialisation time.
(defparameter *objcl-api-type-names*
'((id . #\@)
(class . #\#)
(exc . #\E)
(sel . #\:)
(chr . #\c)
(uchr . #\C)
(sht . #\s)
(usht . #\S)
(int . #\i)
(uint . #\I)
(lng . #\l)
(ulng . #\L)
(lng-lng . #\q)
(ulng-lng . #\Q)
(flt . #\f)
(dbl . #\d)
(bfld . #\b)
(bool . #\B)
(void . #\v)
(undef . #\?)
(ptr . #\^)
(charptr . #\*)
(atom . #\%)
(ary-b . #\[)
(ary-e . #\])
(union-b . #\()
(union-e . #\))
(struct-b . #\{)
(struct-e . #\})
(vector . #\!)
(complex . #\j)))
(defparameter *objcl-type-map*
'((id . id)
(class . objective-c-class)
(sel . selector)
(exc . exception)
(chr . character)
(int . integer)
(uint . integer)
(lng . integer)
(ulng . integer)
(sht . integer)
(usht . integer)
(lng-lng . integer)
(ulng-lng . integer)
(flt . single-float)
(dbl . double-float)
(bool . boolean)
(charptr . string)
(ptr . c-pointer)))
(defparameter *objcl-c-type-map*
'((id . :pointer)
(class . :pointer)
(sel . :pointer)
(exc . :pointer)
(chr . :char)
(int . :int)
(uint . :unsigned-int)
(lng . :long)
(ulng . :unsigned-long)
(sht . :short)
(usht . :unsigned-short)
(lng-lng . :long-long)
(ulng-lng . :unsigned-long-long)
(flt . :float)
(dbl . :double)
(bool . :boolean)
(ptr . :pointer)
(charptr . :pointer)))
;;;; (@* "Constant accessors")
(declaim (ftype (function (*) symbol) lisp-value->type-name))
(defun lisp-value->type-name (value)
(car (rassoc-if #'(lambda (type)
(typep value type))
*objcl-type-map*)))
(declaim (ftype (function (symbol) string) type-name->type-id))
(defun type-name->type-id (type-name)
(string (cdr (assoc type-name *objcl-api-type-names*))))
(declaim (ftype (function (symbol) symbol) type-name->c-type))
(defun type-name->c-type (type-name)
(cdr (assoc type-name *objcl-c-type-map*)))
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