/usr/share/gauche-0.9/site/lib/h2s/gtk-types.scm is in gauche-gtk 0.6~pre1+git20121223-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 | ;; concrete objects (not abstract types) which are exchanged between
;; parsing & emitting.
(define-module h2s.gtk-types
(export
;; body-of |setter of body-of|
c-name-of
;; needed in hint files?
;; implicitely exported?
scm-name-of
;; this is `critical'
;; hopefully onle these needed for the fixup
fields-of
type-of
superclass-of allocation-type-of
gobject? cpl-of internal?
c-free-proc-of
c-caster-of
allocator-of
;; emiter:
scm-class-name-of
gtk-predicate-of
gtk-type-name-of
c-copy-proc-of
qualifier-of
c-type-of
c-predicate-of
c-predicate-nullable-of
c-class-macro-of
;; needed by hint too.
direct-supers-of
;; fixup:
element-type-of size-of
;; needed by fixup & emit!
c-boxer-of c-unboxer-of
;; fixup:
arguments-of return-type-of
;; body-of
<gtk-var> ; var ???
accessible?
;; only emitter:
getter-of
setter-of
<gtk-enum> make-enum
find-enum
values-of ;; c-name-of
<gtk-struct>
find-struct make-struct
<gtk-array>
<gtk-function>
find-function make-function
<extra-stub>
;; emiter:
type?
print-body
;scm-type-of
get-slot-boxer
gtk-base
)
(use gauche.mop.instance-pool)
(use h2s.objects)
(use h2s.track)
(use h2s.utils)
(use srfi-13)
(use srfi-2)
(use text.tr)
)
(select-module h2s.gtk-types)
(define debug #f)
(define gtk-base #t) ;backward compatible-> #t!
;; <GTK-VAR> - used in fields and arguments
(define-class <gtk-var> ()
((type :init-keyword :type :accessor type-of)
(c-name :init-keyword :c-name :accessor c-name-of)
(scm-name :allocation :virtual :accessor scm-name-of
;; what is this?
:slot-ref (lambda (o) (string->symbol (string-tr (x->string (c-name-of o)) "_" "-")))
:slot-set! (lambda (o v) #f))
;; the following slots are used by field info
(read-only? :initform #f :accessor read-only?)
(accessible? :initform #t :accessor accessible?)
(getter :init-keyword :getter :initform #f :accessor getter-of)
(setter :init-keyword :setter :initform #f :accessor setter-of)
))
(define-method write-object ((self <gtk-var>) port)
(format port "<~a ~a>" (type-of self) (c-name-of self)))
;; <GTK-STRUCT>
(define-class <gtk-struct> (<instance-pool-mixin>
<source-tracker-mixin>)
((c-name :init-keyword :c-name :accessor c-name-of)
(fields :init-keyword :fields :accessor fields-of)
(internal? :init-value #f :accessor internal?) ;mmc: typedef encountered, but no function signature contains it?
;; - true if this struct is not exposed to Scheme. set `only' by fixup.... yes, by .hint files! `disable-cclass'
;; <gtk-cell-layout-iface> <gtk-cell-layout>
(c-type :accessor c-type-of)
;; - for struct _GdkFoo, keeps #<gtk-type GdkFoo*>
(superclass :accessor superclass-of)
;; - if inherited, this one keeps <gtk-type> of the parent class.
(cpl :accessor cpl-of)
;; - class precedence list derived from superclass field. set by fixup.
(allocation-type :accessor allocation-type-of :init-form 'simple)
;; - how the C structure should be allocated and freed
;; simple : ScmObj contains the entire structure.
;; gobject : ScmObj points to GObject*
;; indirect : ScmObj points to a mem that should be freed.
;; refcounted : ScmObj points to refcounted object.
(scm-class-name :accessor scm-class-name-of)
;; - <gdk-foo> ; set by make-struct
(c-caster :accessor c-caster-of)
;; - GDK_FOO ; set by make-struct
(c-predicate :accessor c-predicate-of)
;; - SCM_GDK_FOO_P ; set by make-struct
(c-predicate-nullable :accessor c-predicate-nullable-of)
;; - SCM_GDK_FOO_OR_NULL_P ; set by make-struct
(c-unboxer :accessor c-unboxer-of)
;; - SCM_GDK_FOO ; set by make-struct
(c-boxer :accessor c-boxer-of)
;; - SCM_MAKE_GDK_FOO ; set by make-struct
(c-class-macro :accessor c-class-macro-of)
;; -SCM_CLASS_GDK_FOO ; set by make-struct
(gtk-predicate :accessor gtk-predicate-of)
;; - GDK_IS_FOO ; set by make-struct
(gtk-type-name :accessor gtk-type-name-of)
;; - GDK_TYPE_FOO ; set by make-struct
(c-copy-proc :accessor c-copy-proc-of :init-value #f)
;; - Used by indirect struct, keeping C procedure name to copy
;; the data part. can be set in hints file.
(c-free-proc :accessor c-free-proc-of :init-value #f) ; example: `gtk_tree_row_reference_free' gtk_tree_path_free
;; - Used by `indirect' struct, keeping C procedure name to free
;; the data part. can be set in hints file.
(allocator :init-form #f :accessor allocator-of) ; mmc: is this only relevant for the consturctor/destructor?
;; - Special allocator setting that overrides the default.
;; May be set by hints file. This can be a string for
;; entire allocator body, or an assoc-list of required
;; initargs and the constructor to call.
(qualifier :init-value :built-in :accessor qualifier-of) ; mmc: ?? :base -> this means see `genstub'!
;; - define-cclass qualifier. adjusted in fixup.
(direct-supers :init-value () :accessor direct-supers-of)
;; - extra direct-supers if this class has a mixin. mmc: interfaces! + the parent
;; mmc:
(printer :init-keyword :printer)
))
(define-method write-object ((self <gtk-struct>) port)
(format port "#<gtk-struct ~s>" (c-name-of self)))
(define-method gobject? ((self <gtk-struct>))
(eq? (allocation-type-of self) 'gobject))
(define-method indirect? ((self <gtk-struct>))
(eq? (allocation-type-of self) 'indirect))
(define-method refcounted? ((self <gtk-struct>))
(eq? (allocation-type-of self) 'refcounted))
;; we don't look at the: typedef a struct _a;
;; This only creates the various default names/stubs
;; for C macros
;; Creates the type!
;; mmc: i have something similar in
(define (make-struct name fields)
(if debug (logformat-color 157 "make-struct ~a FIELDS:\n~a\n" name fields))
(let* ((c-name (string-drop name 1)) ;; drop preceding '_'
(s (make <gtk-struct> :c-name (string->symbol c-name) :fields fields))
(tn (find-type-or-create (string->symbol #`",|c-name|*")))
;; ^^^ really, this is `create'
(scmname (mixed-case-name->hyphenated-name c-name)))
;; mmc: so, the type of struct _abc_x is abc_x* ??
(set! (c-type-of s) tn) ; <gtk-type> <---> <gtk-struct>
(set! (body-of tn) s)
(set! (scm-class-name-of s) (string->symbol #`"<,|scmname|>"))
(let1 base (string-tr scmname "a-z-" "A-Z_")
(set! (c-caster-of s) base) ;mmc: ??
(set! (c-predicate-of s) #`"SCM_,|base|_P")
(set! (c-predicate-nullable-of s) #`"SCM_,|base|_OR_NULL_P")
(set! (c-unboxer-of s) #`"SCM_,|base|")
(set! (c-boxer-of s) #`"SCM_MAKE_,|base|")
(set! (c-class-macro-of s) #`"SCM_CLASS_,|base|")
;; Anormality: GdkWindowObject uses GDK_IS_WINDOW macro
(set!-values
((gtk-predicate-of s) (gtk-type-name-of s))
(cond
((equal? c-name "GdkWindowObject")
(values "GDK_IS_WINDOW" "GDK_TYPE_WINDOW"))
((string-prefix? "PANGO" base)
(values #`",(string-take base 6)IS_,(string-drop base 6)" ; mmc: why 6? pango_ ?
#`",(string-take base 6)TYPE_,(string-drop base 6)"))
((and gtk-base
(string-prefix? "GTK" base)) ;; either GDK_ or GTK_
(values #`",(string-take base 4)IS_,(string-drop base 4)"
#`",(string-take base 4)TYPE_,(string-drop base 4)"))
;; wrong!!! GLADE_XML -> GLAD TYPE_E_XML
(else
(let ((prefix-len (+ 1 (string-scan base "_")))
)
(values
(string-append
(string-take base prefix-len) "IS_" (string-drop base prefix-len))
(string-append
(string-take base prefix-len) "TYPE_" (string-drop base prefix-len)))
;; mmc: i think it's XXX_YYY -> XXXX_IS_YYYY ? and XXX_TYPE_YYY
;;find position of the left-first _
)))))
;(logformat-color 157 "fields:\n\n" name fields)
;(describe s)
s))
(define (find-struct scm-name)
(instance-pool-find <gtk-struct>
(lambda (s) (eq? (scm-class-name-of s) scm-name))))
;; <GTK-ARRAY>
(define-class <gtk-array> ()
((size :init-keyword :size :accessor size-of)
(element-type :init-keyword :element-type :accessor element-type-of)))
;; <GTK-ENUM>
(define-class <gtk-enum> (<instance-pool-mixin>
<source-tracker-mixin>)
((c-name :init-keyword :c-name :accessor c-name-of)
(values :init-keyword :values :accessor values-of)
))
(define (find-enum c-name)
(let1 c-name-as-symbol (string->symbol c-name)
(instance-pool-find <gtk-enum>
;; or keep a symbol of c-name & ...
(lambda (s) (eq? c-name-as-symbol (c-name-of s))))))
(define (make-enum name values) ;is in C the universe of Enums (their name) disjoint from that of Structs? or only in Gnome
(let* ((n (string->symbol name))
(s (make <gtk-enum> :c-name n :values values)))
(set! (body-of (find-type-or-create n)) s) ; !!!!
(if debug (logformat "enum ~a: ~a\n" n values))
s))
;; <GTK-FUNCTION>
(define-class <gtk-function> (<instance-pool-mixin>
<source-tracker-mixin>)
((c-name :init-keyword :c-name :accessor c-name-of)
(return-type :init-keyword :return-type :accessor return-type-of)
(arguments :init-keyword :arguments :accessor arguments-of)
(internal? :init-value #f :accessor internal?)
;; - true if this function is not exposed to Scheme. set by fixup-functions
(scm-name :init-keyword :scm-name :accessor scm-name-of)
;; - scheme name, like gtk-foo for C-function gtk_foo.
(body :init-value #f :accessor body-of)
))
(define (make-function name ret args)
(let1 scm-name
(string->symbol (string-tr (x->string name) "_" "-"))
(make <gtk-function>
:c-name name :scm-name scm-name :return-type ret :arguments args)))
(define (find-function scm-name)
(instance-pool-find <gtk-function>
(lambda (f) (eq? (scm-name-of f) scm-name))))
;; <EXTRA-STUB> - literal stub added by hints file
(define-class <extra-stub> (<source-tracker-mixin>)
(;; s-expr to be placed in the stub file
(body :init-keyword :body :accessor body-of)
;; true if this should go to .types file instead of .stub file
(type? :init-keyword :type? :accessor type?)))
(define-method print-body ((self <extra-stub>))
;; print doesn't include the \" in:
;; (define-type <gunichar> gunichar A type which can hold any UCS-4 character code SCM_CHARP Scm_char2gunichar Scm_gunichar2char)
(write (body-of self)) ;mmc: was write !!! print ?
(newline)
(newline))
;;; from objects
;; map <gtk-type> to stub type signature.
(define-method scm-type-of ((self <gtk-type>))
(let1 body (body-of self)
(cond
((symbol? body) body) ; basic types!
((is-a? body <gtk-enum>) '<int>)
((is-a? body <gtk-struct>) (scm-class-name-of body))
;; if the name of gtk-type is XX*, try the type XX.
(else (cons 'UNKNOWN (c-name-of self))))))
;; returns a fn that creates a C code fragment of boxing slot value. mmc: was unboxing/ but it doesn't do it!
;; UGLY - this doesn't deal with array ref.
(define-method get-slot-boxer ((self <gtk-type>)) ;mmc: what slot???
(let1 body (body-of self)
(cond
; mmc: (lambda: x -> scm_makeInteger(x)
((is-a? body <gtk-struct>)
;; so the type is a pointer!?
(cut string-append (c-boxer-of body) "(" <> ")")) ;not cute ?
((is-a? body <gtk-enum>)
(cut string-append "Scm_MakeInteger(" <> ")"))
((symbol? body)
;; primitive type. There should be an interface to get this kind
;; of information; maybe lang.c.type module? For now, I hardcode them.
(case body
((<char>) (cut string-append "SCM_MAKE_CHAR(" <> ")"))
((<boolean>) (cut (string-append "SCM_MAKE_BOOL(" <> ")")))
((<int> <int8> <int16> <int32> <long>)
(cut string-append "Scm_MakeInteger(" <> ")"))
((<uint> <uint8> <uint16> <uint32> <ulong>)
(cut string-append "Scm_MakeIntegerFromUI(" <> ")"))
((<float> <double>)
(cut string-append "Scm_MakeFlonum(" <> ")"))
((<const-char*> <const-gchar*> <gchar*>)
(cut string-append "SCM_MAKE_STR_COPYING_SAFELY(" <> ")"))
;; mmc: <gunichar> !!
(else #f)))
(;; check if it is an embedded structure.
(and-let* ((ptrtype
(find-type (string->symbol #`",(c-name-of self)*")))
(ptrbody (body-of ptrtype))
((is-a? ptrbody <gtk-struct>)))
(if debug (logformat-color 11 "embedded structure!\n"))
(cut string-append (c-boxer-of ptrbody) "(&(" <> "))")))
(else #f))))
(provide "h2s/gtk-types")
|