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build-gtk.jl
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build-gtk.jl
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;;;; build-gtk.jl -- translate guile-gtk .defs file to rep C code
;;; Copyright (C) 1999 John Harper <john@dcs.warwick.ac.uk>
;;; $Id$
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2, 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this software; see the file COPYING. If not, write to
;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
(provide 'build-gtk)
(setq debug-on-error '(bad-arg invalid-function missing-arg))
;; Notes:
;; This assumes that the `sed-fix-defs' sed script has been run over all
;; input files (to convert schemey things to their lispy equivalents)
;; Todo:
;; * doesn't check for `listable' type-property
;; * guile-gtk `struct' and `ptype' types
;; * not possible to wrap functions returning vector types
;; WARNING: This makes some pretty gruesome assumptions. [where?]
;; Configuration
;; Alist of (TYPE ["C-TYPE" | DECL-FUNC] ["REP2GTK" | FROM-REP-FUNC]
;; ["GTK2REP" | TO-REP-FUNC] ["PRED-NAME" | PRED-FUNC]
;; . OPTION-ALIST)
;; The required functions are called as:
;; (DECL-FUNC TYPE TYPE-INFO)
;; (FROM-REP-FUNC OUTPUT-STREAM TYPE "REP-VAR" TYPE-INFO OPTIONS)
;; (TO-REP-FUNC OUTPUT-STREAM TYPE "GTK-VAR" TYPE-INFO OPTIONS)
;; (PRED-FUNC OUTPUT-STREAM TYPE "REP-VAR" TYPE-INFO OPTIONS)
;; The options in the OPTION-ALIST may be:
;; (c2args . EMIT-ARG-FUNC)
;; (finish . FINISH-ARG-FUNC)
;; (listable . BOOLEAN)
;; with:
;; (EMIT-ARG-FUNC OUTPUT TYPE "GTK-VAR" OPTIONS)
;; (FINISH-ARG-FUNC OUTPUT TYPE "GTK-VAR" "REP-VAR" OPTIONS)
(defvar gtk-type-alist nil)
(defun define-type (type c-type rep-to-gtk gtk-to-rep type-pred . options)
(setq gtk-type-alist (cons (list* type c-type rep-to-gtk
gtk-to-rep type-pred options)
gtk-type-alist)))
;; Work variables
(defvar gtk-enums nil
"List of (ENUM-NAME . ENUM-DEF) for all parsed enums defs")
(defvar gtk-string-enums nil
"List of (ENUM-NAME . ENUM-DEF) for all parsed enums defs")
(defvar gtk-flags nil
"List of (ENUM-NAME . ENUM-DEF) for all parsed flags defs")
(defvar gtk-boxed nil
"List of (BOXED-NAME . BOXED-DEF)")
(defvar gtk-objects nil
"List of (OBJECT-NAME . OBJECT-DEF)")
(defvar gtk-functions nil
"List of (FUNCTION-NAME . FUNCTION-DEF)")
(defvar gtk-options nil
"List of (OPTION VALUE)")
(defvar gtk-subrs nil
"List of C-NAME.")
;; similar for imported files
(defvar gtk-imported-enums nil)
(defvar gtk-imported-string-enums nil)
(defvar gtk-imported-flags nil)
(defvar gtk-imported-boxed nil)
(defvar gtk-imported-objects nil)
;; t when importing secondary definitions
(defvar gtk-importing nil)
(defmacro gtk-get-options (name options)
`(cdr (assq ,name ,options)))
(defmacro gtk-get-option (name options)
`(car (gtk-get-options ,name ,options)))
(defvar gtk-hyphen-map
(let
((map (make-string (1+ ?_)))
(i 0))
(while (< i ?_)
(aset map i i)
(setq i (1+ i)))
(aset map i ?-)
map))
(defvar gtk-unhyphen-map
(let
((map (make-string (1+ ?-)))
(i 0))
(while (< i ?-)
(aset map i i)
(setq i (1+ i)))
(aset map i ?_)
map))
(defvar gtk-emitted-composite-helpers nil)
;; Entry point
(defun build-gtk (defs-file-name output-file-name)
(let
((gtk-enums nil)
(gtk-string-enums nil)
(gtk-flags nil)
(gtk-boxed nil)
(gtk-objects nil)
(gtk-functions nil)
(gtk-options nil)
(gtk-subrs nil)
(gtk-imported-enums nil)
(gtk-imported-string-enums nil)
(gtk-imported-flags nil)
(gtk-imported-boxed nil)
(gtk-imported-objects nil)
(gtk-importing nil)
(gtk-emitted-composite-helpers nil))
(let
((defs-file (open-file defs-file-name 'read)))
(or defs-file (error "Can't open input file: %s" defs-file-name))
(unwind-protect
(parse-gtk defs-file)
(close-file defs-file)))
(setq gtk-enums (nreverse gtk-enums))
(setq gtk-string-enums (nreverse gtk-string-enums))
(setq gtk-flags (nreverse gtk-flags))
(setq gtk-boxed (nreverse gtk-boxed))
(setq gtk-objects (nreverse gtk-objects))
(setq gtk-functions (nreverse gtk-functions))
(let
((output-file (open-file output-file-name 'write)))
(or output-file (error "Can't open output file: %s" output-file-name))
(unwind-protect
(let
((standard-output output-file))
(output-gtk output-file))
(close-file output-file)))))
(defun build-gtk-batch ()
(or (= (length command-line-args) 2) (error "usage: INPUT OUTPUT"))
(let
((in (car command-line-args))
(out (nth 1 command-line-args)))
(setq command-line-args (nthcdr 2 command-line-args))
(build-gtk in out)))
;; Parsing
(defun parse-gtk (input)
(condition-case nil
(while t
(let
((def (read input)))
;;(format standard-error "read: %S\n" def)
(when def
(or (consp def) (error "Definition isn't a list"))
(cond
((memq (car def) '(include import))
(let
((file (open-file (expand-file-name (nth 1 def)
(file-name-directory
(file-binding input)))
'read)))
(or file (error "Can't open input file: %s" (nth 1 def)))
(unwind-protect
(let ((gtk-importing (if (eq (car def) 'import)
t
gtk-importing)))
(parse-gtk file))
(close-file file))))
((eq (car def) 'define-enum)
(let*
((name (nth 1 def))
(body (nthcdr 2 def))
(cell (or (assq name gtk-enums)
(assq name gtk-imported-enums))))
(if cell
(rplacd cell body)
(if (not gtk-importing)
(setq gtk-enums (cons (cons name body) gtk-enums))
(setq gtk-imported-enums
(cons (cons name body) gtk-imported-enums))))))
((eq (car def) 'define-string-enum)
(let*
((name (nth 1 def))
(body (nthcdr 2 def))
(cell (or (assq name gtk-string-enums)
(assq name gtk-imported-string-enums))))
(if cell
(rplacd cell body)
(if (not gtk-importing)
(setq gtk-string-enums (cons (cons name body)
gtk-string-enums))
(setq gtk-imported-string-enums
(cons (cons name body)
gtk-imported-string-enums))))))
((eq (car def) 'define-flags)
(let*
((name (nth 1 def))
(body (nthcdr 2 def))
(cell (or (assq name gtk-flags)
(assq name gtk-imported-flags))))
(if cell
(rplacd cell body)
(if (not gtk-importing)
(setq gtk-flags (cons (cons name body) gtk-flags))
(setq gtk-imported-flags
(cons (cons name body) gtk-imported-flags))))))
((eq (car def) 'define-boxed)
(let
((cell (or (assq (nth 1 def) gtk-boxed)
(assq (nth 1 def) gtk-imported-boxed))))
(if cell
(rplacd cell (nthcdr 2 def))
(if (not gtk-importing)
(setq gtk-boxed (cons (cdr def) gtk-boxed))
(setq gtk-imported-boxed
(cons (cdr def) gtk-imported-boxed))))))
((eq (car def) 'define-object)
(let*
((name (nth 1 def))
(super (nth 2 def))
(attrs (nthcdr 3 def))
(cell (or (assq name gtk-objects)
(assq name gtk-imported-objects))))
(when (car super)
(setq attrs (cons (cons 'super (car super)) attrs)))
(if cell
(rplacd cell attrs)
(if (not gtk-importing)
(setq gtk-objects
(cons (cons name attrs) gtk-objects))
(setq gtk-imported-objects
(cons (cons name attrs) gtk-imported-objects))))))
((eq (car def) 'define-func)
(unless gtk-importing
(let
((cell (assq (nth 1 def) gtk-functions)))
(if cell
(rplacd cell (nthcdr 2 def))
(setq gtk-functions (cons (cdr def) gtk-functions))))))
((eq (car def) 'define-type)
(eval def))
((eq (car def) 'options)
(unless gtk-importing
(mapc (lambda (cell)
(let
((value (assq (car cell) gtk-options)))
(if value
(rplacd value (nconc (cdr value)
(list (nth 1 cell))))
(setq gtk-options (cons cell gtk-options)))))
(cdr def))))
((eq (car def) 'add-options)
(unless gtk-importing
(let
((value (assq (nth 1 def) gtk-options)))
(if value
(rplacd value (nconc (cdr value) (nthcdr 2 def)))
(setq gtk-options (cons (cdr def) gtk-options))))))
(t
(gtk-warning "Ignoring `%S'" def))))))
(end-of-stream)))
;; Code generation
(defmacro @ args
(list* 'format 'output args))
(defun output-header (output)
(@ "/* Automatically generated by build-gtk, DO NOT EDIT! */\n\n")
(when (gtk-get-options 'includes gtk-options)
(mapc (lambda (opt)
(@ "%s\n" opt))
(gtk-get-options 'includes gtk-options)))
(@ "#include <rep/rep.h>\n")
(@ "#include \"rep-gtk.h\"\n\n"))
(defun output-footer (output)
(let*
((feature (gtk-get-option 'provide gtk-options))
(aliases (gtk-get-options 'alias gtk-options))
(init (gtk-get-option 'init-func gtk-options)))
(when feature
(@ "\nrepv\nrep_dl_init \(void\)\n{\n")
(@ " repv s = rep_push_structure \(\"%s\"\);\n" feature)
(mapc (lambda (a)
(@ " /* ::alias:%s %s:: */\n" a feature)
(@ " rep_alias_structure \(\"%s\"\);\n" a)) aliases)
(when init
(@ "\n %s \(\);\n\n" init))
(@ " return rep_pop_structure \(s\);\n")
(@ "}\n"))))
(defun output-imported-enums (output)
(when gtk-imported-enums
(@ "\f\n/* Imported enums */\n\n")
(mapc (lambda (enum)
(let*
((cname (gtk-canonical-name (symbol-name (car enum)))))
(@ "extern sgtk_enum_info sgtk_%s_info;\n" cname)))
gtk-imported-enums)
(@ "\n")))
(defun output-enums (output)
(when gtk-enums
(@ "\f\n/* Enums definitions */\n\n")
(mapc (lambda (enum)
(let*
((name (car enum))
(cname (gtk-canonical-name (symbol-name name)))
(values (cdr enum)))
;; write literal names
(@ "static sgtk_enum_literal _%s_literals[%d] = {\n"
cname (length values))
(mapc (lambda (cell)
(@ " { \"%s\", %s },\n" (car cell) (nth 1 cell)))
values)
(@ "};\n")
;; write type info struct
(@ "sgtk_enum_info sgtk_%s_info = {\n" cname)
(@ " { \"%s\", G_TYPE_ENUM }, %d, _%s_literals,\n"
name (length values) cname)
(@ "};\n\n")))
gtk-enums)))
(defun output-imported-string-enums (output)
(when gtk-imported-string-enums
(@ "\f\n/* Imported string enums */\n\n")
(mapc (lambda (enum)
(let*
((cname (gtk-canonical-name (symbol-name (car enum)))))
(@ "extern sgtk_string_enum_info sgtk_%s_info;\n" cname)))
gtk-imported-string-enums)
(@ "\n")))
(defun output-string-enums (output)
(when gtk-string-enums
(@ "\f\n/* String enums definitions */\n\n")
(mapc (lambda (enum)
(let*
((name (car enum))
(cname (gtk-canonical-name (symbol-name name)))
(values (cdr enum)))
;; write literal names
(@ "static sgtk_senum_literal _%s_literals[%d] = {\n"
cname (length values))
(mapc (lambda (cell)
(@ " { \"%s\", %s },\n" (car cell) (nth 1 cell)))
values)
(@ "};\n")
;; write type info struct
(@ "sgtk_senum_info sgtk_%s_info = {\n" cname)
(@ " { \"%s\", G_TYPE_INVALID }, %d, _%s_literals,\n"
name (length values) cname)
(@ "};\n\n")))
gtk-string-enums)))
(defun output-imported-flags (output)
(when gtk-imported-flags
(@ "\f\n/* Imported flags */\n\n")
(mapc (lambda (flag)
(let*
((cname (gtk-canonical-name (symbol-name (car flag)))))
(@ "extern sgtk_enum_info sgtk_%s_info;\n" cname)))
gtk-imported-flags)
(@ "\n")))
(defun output-flags (output)
(when gtk-flags
(@ "\f\n/* Flags definitions */\n\n")
(mapc (lambda (flag)
(let*
((name (car flag))
(cname (gtk-canonical-name (symbol-name name)))
(values (cdr flag)))
;; write literal names
(@ "static sgtk_enum_literal _%s_literals[%d] = {\n"
cname (length values))
(mapc (lambda (cell)
(@ " { \"%s\", %s },\n" (car cell) (nth 1 cell)))
values)
(@ "};\n")
;; write type info struct
(@ "sgtk_enum_info sgtk_%s_info = {\n" cname)
(@ " { \"%s\", G_TYPE_FLAGS }, %d, _%s_literals,\n"
name (length values) cname)
(@ "};\n\n")))
gtk-flags)))
(defun output-imported-boxed (output)
(when gtk-imported-boxed
(@ "\f\n/* Imported boxed structures */\n\n")
(mapc (lambda (boxed)
(let*
((cname (gtk-canonical-name (symbol-name (car boxed)))))
(@ "extern sgtk_boxed_info sgtk_%s_info;\n" cname)))
gtk-imported-boxed)
(@ "\n")))
(defun output-boxed (output)
(when gtk-boxed
(@ "\f\n/* Boxed structure definitions */\n\n")
(mapc (lambda (boxed)
(let*
((name (car boxed))
(cname (gtk-canonical-name (symbol-name name)))
(attrs (cdr boxed))
(conv (car (cdr (assq 'conversion attrs)))))
(when conv
(@ "repv %s (repv);\n" conv))
(@ "sgtk_boxed_info sgtk_%s_info = {\n" cname)
(@ " { \"%s\", G_TYPE_BOXED, %s },\n" name (or conv "NULL"))
(@ " (void *(*)(void*))%s,\n"
(or (car (cdr (assq 'copy attrs))) "NULL"))
(@ " (void (*)(void*))%s,\n"
(or (car (cdr (assq 'free attrs))) "NULL"))
(@ " %s\n"
(or (car (cdr (assq 'size attrs))) 0))
(@ "};\n\n")))
gtk-boxed)))
(defun output-imported-objects (output)
(when gtk-imported-objects
(@ "\f\n/* Imported GTK objects */\n\n")
(mapc (lambda (obj)
(let*
((cname (gtk-canonical-name (symbol-name (car obj)))))
(@ "extern sgtk_object_info sgtk_%s_info;\n" cname)))
gtk-imported-objects)
(@ "\n")))
(defun output-objects (output)
(when gtk-objects
(@ "\f\n/* GTK object definitions */\n\n")
(mapc (lambda (obj)
(let*
((name (car obj))
(cname (gtk-canonical-name (symbol-name name))))
(@ "sgtk_object_info sgtk_%s_info = {\n" cname)
(@ " { \"%s\", G_TYPE_OBJECT }, %s_get_type\n" name cname)
(@ "};\n\n"))) gtk-objects)))
(defun output-type-info (output)
(when (or gtk-enums gtk-flags gtk-boxed gtk-objects)
(@ "\f\n/* Vector of all type information */\n\n")
(@ "static sgtk_type_info *_type_infos[] = {\n")
(mapc (lambda (lst)
(mapc (lambda (type)
(@ " (sgtk_type_info*)&sgtk_%s_info,\n"
(gtk-canonical-name (symbol-name (car type)))))
lst))
(list gtk-enums gtk-string-enums gtk-flags gtk-boxed gtk-objects))
(@ " NULL\n};\n\n")))
(defun output-functions (output)
(@ "\f\n/* Defuns */\n\n")
(mapc (lambda (fun)
(let
;; send output to a temporary buffer to allow helper
;; functions to be emitted asynchronously
((temporary-stream (make-string-output-stream)))
(output-function fun temporary-stream)
(write output (get-output-stream-string temporary-stream))))
gtk-functions)
(@ "\n\n"))
(defun output-subrs (output)
(@ "\f\n/* Initialisation */\n\n")
(let
((init-func (gtk-get-option 'init-func gtk-options))
(other-inits (gtk-get-options 'other-inits gtk-options))
(extra-init (gtk-get-options 'extra-init-code gtk-options))
(system-init (gtk-get-options 'system-init-code gtk-options)))
(when init-func
(@ "void\n%s (void)\n{\n" init-func)
(@ " static int done;\n if (!done)\n {\n")
(@ " done = 1;\n")
(mapc (lambda (func)
(@ " extern void %s (void);\n" func)
(@ " %s ();\n" func)) other-inits)
(when (or gtk-enums gtk-string-enums gtk-flags gtk-boxed gtk-objects)
(@ " sgtk_register_type_infos (_type_infos);\n"))
(mapc (lambda (cname)
(@ " rep_ADD_SUBR(S%s);\n" cname)) (nreverse gtk-subrs))
(mapc (lambda (code)
(declare (unused code))
(@ " %s\n")) extra-init)
(when system-init
(@ " {\n")
(@ " char *tem = getenv (\"REP_GTK_DONT_INITIALIZE\");\n")
(@ " if (tem == 0 || atoi (tem) == 0) {\n")
(mapc (lambda (code)
(@ " %s\n" code)) system-init)
(@ " }\n")
(@ " }\n"))
(@ " \}\n\}\n"))))
(defun output-gtk (output)
(output-header output)
(output-imported-enums output)
(output-imported-string-enums output)
(output-imported-flags output)
(output-imported-boxed output)
(output-imported-objects output)
(output-enums output)
(output-string-enums output)
(output-flags output)
(output-boxed output)
(output-objects output)
(output-functions output)
(output-field-functions gtk-boxed output)
(output-field-functions gtk-objects output)
(output-type-info output)
(output-subrs output)
(output-footer output))
;; Type management
(defun gtk-outer-type (type)
(while (consp type)
(setq type (car type)))
type)
(defun gtk-inner-type (type)
(while (consp (car type))
(setq type (car type)))
(nth 1 type))
(defun gtk-composite-type-mode (type)
(while (consp (car type))
(setq type (car type)))
(case (car type)
((ret) 'out)
((fvec) (or (nth 3 type) 'in))
(t (or (nth 2 type) 'in))))
(defun gtk-composite-type-len (type)
(while (consp (car type))
(setq type (car type)))
(case (car type)
((ret) 1)
((fvec) (nth 2 type))
(t nil)))
(defun gtk-type-info (type)
(let*
((actual-type (gtk-outer-type type))
(typage (cond ((or (assq actual-type gtk-enums)
(assq actual-type gtk-imported-enums))
(assq 'enum gtk-type-alist))
((or (assq actual-type gtk-string-enums)
(assq actual-type gtk-imported-string-enums))
(assq 'senum gtk-type-alist))
((or (assq actual-type gtk-flags)
(assq actual-type gtk-imported-flags))
(assq 'flags gtk-type-alist))
((or (assq actual-type gtk-boxed)
(assq actual-type gtk-imported-boxed))
(assq 'boxed gtk-type-alist))
((or (assq actual-type gtk-objects)
(assq actual-type gtk-imported-objects))
(assq 'object gtk-type-alist))
(t
(assq actual-type gtk-type-alist)))))
(or typage (error "Unknown type: %s" type))))
(defmacro gtk-typage-prop (typage prop)
`(cdr (assq ,prop (nthcdr 5 ,typage))))
(defun gtk-type-decl (type typage)
(let
((decl (nth 1 typage)))
(if (functionp decl)
(funcall decl type typage)
decl)))
(defmacro gtk-type-fromrep (typage)
`(nth 2 ,typage))
(defmacro gtk-type-torep (typage)
`(nth 3 ,typage))
(defmacro gtk-type-pred (typage)
`(nth 4 ,typage))
(defun gtk-type-prop (type prop)
(gtk-typage-prop (gtk-type-info type) prop))
;; Function arg helpers
(defmacro gtk-get-arg-options (option arg)
`(assq ,option (nthcdr 2 ,arg)))
(defun gtk-arg-optional-p (arg)
(nth 1 (gtk-get-arg-options '= arg)))
(defmacro gtk-arg-type (arg)
`(car ,arg))
(defmacro gtk-arg-name (arg)
`(symbol-name (nth 1 ,arg)))
;; Type output functions
(defun output-complex-type (type typage)
(declare (unused typage))
(setq type (gtk-outer-type type))
(if (or (assq type gtk-enums) (assq type gtk-imported-enums)
(assq type gtk-flags) (assq type gtk-imported-flags))
(symbol-name type)
(format nil "%s*" type)))
(define (output-rep-to-static x)
(lambda (output type rep-var typage)
(setq type (gtk-outer-type type))
(let ((name (gtk-canonical-name (symbol-name type))))
(@ "\(%s\) sgtk_rep_to_%s \(%s, &sgtk_%s_info\)"
(gtk-type-decl type typage) x rep-var name))))
(define (output-static-to-rep x)
(lambda (output type gtk-var typage)
(declare (unused typage))
(setq type (gtk-outer-type type))
(let ((name (gtk-canonical-name (symbol-name type))))
(@ "sgtk_%s_to_rep \(%s, &sgtk_%s_info\)" x gtk-var name))))
(define (output-static-pred x)
(lambda (output type rep-var typage)
(declare (unused typage))
(@ "sgtk_valid_%s \(%s, &sgtk_%s_info\)"
x rep-var (gtk-canonical-name (symbol-name type)))))
(define output-rep-to-enum (output-rep-to-static 'enum))
(define output-enum-to-rep (output-static-to-rep 'enum))
(define output-enum-pred (output-static-pred 'enum))
(define output-rep-to-senum (output-rep-to-static 'senum))
(define output-senum-to-rep (output-static-to-rep 'senum))
(define output-senum-pred (output-static-pred 'senum))
(define output-rep-to-flags (output-rep-to-static 'flags))
(define output-flags-to-rep (output-static-to-rep 'flags))
(define output-flags-pred (output-static-pred 'flags))
(defun output-rep-to-boxed (output type rep-var typage)
(declare (unused typage))
(setq type (gtk-outer-type type))
(@ "\(%s*\) sgtk_rep_to_boxed \(%s\)" type rep-var))
(defun output-boxed-to-rep (output type gtk-var typage)
(declare (unused typage))
(let*
((base-type (gtk-outer-type type))
(name (gtk-canonical-name (symbol-name base-type)))
(copy (if (assq 'copy (cdr type))
(gtk-get-option 'copy (cdr type))
t)))
(@ "sgtk_boxed_to_rep \(%s, &sgtk_%s_info, %d\)"
gtk-var name (if copy 1 0))))
(defun output-boxed-pred (output type rep-var typage)
(declare (unused typage))
(@ "sgtk_valid_boxed \(%s, &sgtk_%s_info\)"
rep-var (gtk-canonical-name (symbol-name type))))
(defun output-rep-to-object (output type rep-var typage)
(declare (unused typage))
(setq type (gtk-outer-type type))
(@ "\(%s*\) sgtk_get_gobj \(%s\)" type rep-var))
(defun output-object-to-rep (output type gtk-var typage)
(declare (unused typage))
(setq type (gtk-outer-type type))
(@ "sgtk_wrap_gobj \(\(GObject*\) %s\)" gtk-var))
(defun output-object-pred (output type rep-var typage)
(declare (unused typage))
(@ "sgtk_is_a_gobj \(%s_get_type \(\), %s\)"
(gtk-canonical-name (symbol-name type)) rep-var))
(defun output-rep-to-full-callback (output type rep-var typage options)
(declare (unused typage type))
(let
((protect (gtk-get-option 'protection options)))
(cond ((eq protect '*result*)
(@ "sgtk_new_protect \(%s\)" rep-var))
((and (not (eq protect t))
(not (eq protect nil)))
(@ "sgtk_protect \(p_%s, %s\)" protect rep-var))
(t
(@ "sgtk_protect \(Qt, %s\)" rep-var)))))
(defun output-full-callback-args (output type var options)
(declare (unused typage type options))
(@ "0, sgtk_callback_marshal, (gpointer)%s, sgtk_callback_destroy" var))
(defun output-full-callback-finish (output type g-var r-var options)
(declare (unused typage type r-var))
(let
((protect (gtk-get-option 'protection options)))
(when (eq protect '*result*)
(@ " sgtk_set_protect \(pr_ret, %s\);\n" g-var))))
(defun output-rep-to-gclosure (output type rep-var typage options)
(declare (unused typage type))
(let
((protect (gtk-get-option 'protection options)))
(cond ((eq protect '*result*)
(@ "sgtk_new_gclosure \(%s\)" rep-var))
((and (not (eq protect t))
(not (eq protect nil)))
(@ "sgtk_gclosure \(p_%s, %s\)" protect rep-var))
(t
(@ "sgtk_gclosure \(Qt, %s\)" rep-var)))))
(defun output-gclosure-finish (output type g-var r-var options)
(declare (unused typage type r-var))
(let
((protect (gtk-get-option 'protection options)))
(when (eq protect '*result*)
(@ " sgtk_set_gclosure \(pr_ret, %s\);\n" g-var))))
(defun output-rep-to-cvec (output type rep-var typage)
(declare (unused typage))
(let*
((inner-type (gtk-inner-type type))
(inner-typage (gtk-type-info inner-type))
(decl (gtk-type-decl inner-type inner-typage))
(mode (gtk-composite-type-mode type)))
(output-helper inner-type standard-output)
(@ "sgtk_rep_to_cvec \(%s, %s, sizeof \(%s\)\)"
rep-var
(if (eq mode 'out)
"0"
(format nil "_sgtk_helper_fromrep_%s" inner-type))
decl)))
(defun output-cvec-to-rep (output type gtk-var typage)
(declare (unused typage))
(let*
((inner-type (gtk-inner-type type))
(inner-typage (gtk-type-info inner-type))
(decl (gtk-type-decl inner-type inner-typage)))
(output-helper inner-type standard-output)
(@ "sgtk_cvec_to_rep \(&%s, _sgtk_helper_torep_copy_%s, sizeof \(%s\)\)"
gtk-var inner-type decl)))
(defun output-cvec-pred (output type rep-var typage)
(declare (unused typage))
(let*
((inner-type (gtk-inner-type type))
(mode (gtk-composite-type-mode type))
(len (gtk-composite-type-len type)))
(output-helper inner-type standard-output)
(if len
(@ "sgtk_valid_complen \(%s, %s, %s\)"
rep-var
(if (eq mode 'out)
;; `out', so don't check inner validity
"NULL"
(concat "_sgtk_helper_valid_" (symbol-name inner-type)))
len)
(@ "sgtk_valid_composite \(%s, _sgtk_helper_valid_%s\)"
rep-var inner-type))))
(defun output-cvec-args (output type var options)
(declare (unused typage options))
(let*
((outer-type (gtk-outer-type type))
(inner-type (gtk-inner-type type))
(inner-typage (gtk-type-info inner-type))
(decl (gtk-type-decl inner-type inner-typage)))
(cond ((eq outer-type 'cvec)
(@ "%s.count, \(%s*\) %s.vec" var decl var))
((eq outer-type 'cvecr)
(@ "\(%s*\) %s.vec, %s.count" decl var var))
((memq outer-type '(fvec ret tvec))
(@ "\(%s*\) %s.vec" decl var))
(t
(gtk-warning "Don't know how to pass type %s" type)))))
(defun output-cvec-finish (output type gtk-var rep-var options)
(declare (unused typage options))
(let*
((inner-type (gtk-inner-type type))
(inner-typage (gtk-type-info inner-type))
(decl (gtk-type-decl inner-type inner-typage))
(mode (gtk-composite-type-mode type)))
(@ " sgtk_cvec_finish \(&%s, %s, %s, sizeof \(%s\)\);\n"
gtk-var rep-var
(if (eq mode 'in)
"0"
(format nil "_sgtk_helper_torep_nocopy_%s" inner-type))
decl)))
(defun output-rep-to-list (output type rep-var typage)
(declare (unused typage))
(let
((outer-type (gtk-outer-type type))
(inner-type (gtk-inner-type type)))
(output-helper inner-type standard-output)
(@ "sgtk_rep_to_%s \(%s, _sgtk_helper_fromrep_%s\)"
outer-type rep-var inner-type)))
(defun output-list-to-rep (output type gtk-var typage)
(declare (unused typage))
(let
((outer-type (gtk-outer-type type))
(inner-type (gtk-inner-type type)))
(output-helper inner-type standard-output)
(@ "sgtk_%s_to_rep \(%s, _sgtk_helper_torep_copy_%s\)"
outer-type gtk-var inner-type)))
(defun output-list-finish (output type gtk-var rep-var options)
(declare (unused typage options))
(let
((outer-type (gtk-outer-type type))
(inner-type (gtk-inner-type type))
(mode (gtk-composite-type-mode type)))
(@ " sgtk_%s_finish \(%s, %s, %s\);\n"
outer-type gtk-var rep-var
(if (eq mode 'in)
"0"
(format nil "_sgtk_helper_torep_nocopy_%s" inner-type)))))
;; Function generation
(defun output-function (def output #!optional function-callback)
(let*
((ret (nth 1 def))
(args (nth 2 def))
(options (nthcdr 3 def))
(fname (symbol-name (car def)))
(rname (or (gtk-get-option 'scm-name options)
(gtk-hyphenate-name fname)))
(cname (gtk-unhyphenate-name rname))
(subrtype (if (or (> (length args) 5)
(gtk-get-option 'rest-arg options))
'n
(length args))))
(setq gtk-subrs (cons cname gtk-subrs))
;; output header
(@ "DEFUN\(\"%s\", F%s, S%s, \(" rname cname cname)
(if (eq subrtype 'n)
(@ "repv args")
(if (zerop subrtype)
(@ "void")
(let
((tem args))
(while tem
(@ "repv p_%s%s" (gtk-arg-name (car tem)) (if (cdr tem) ", " ""))
(setq tem (cdr tem))))))
(@ "\), rep_Subr%s\)\n{\n" (if (numberp subrtype) subrtype "N"))
(unless (eq ret 'none)
(@ " repv pr_ret;\n"))
(when (eq subrtype 'n)
(@ " repv ")
(let
((tem args))
(while tem
(@ "p_%s%s" (gtk-arg-name (car tem)) (if (cdr tem) ", " ";\n\n"))
(setq tem (cdr tem)))))
;; output any gc roots required
(mapc (lambda (arg)
(when (or (gtk-get-arg-options 'protect-during arg)
(gtk-type-prop (gtk-arg-type arg) 'finish))
(@ " rep_GC_root gc_%s;\n" (gtk-arg-name arg)))) args)
;; output arg/ret decls
(mapc (lambda (arg)
(let*
((type (gtk-arg-type arg))
(typage (gtk-type-info type))
(decl (gtk-type-decl type typage)))
(if (stringp decl)
(@ " %s c_%s;\n" decl (gtk-arg-name arg))
(gtk-warning
"Don't know how to declare type: %s" type)))) args)
(when (gtk-get-option 'gerror-arg options)
(@ " GError* error = NULL;\n"))
(unless (eq ret 'none)
(let*
((typage (gtk-type-info ret))
(decl (gtk-type-decl ret typage)))
(cond
((stringp decl)
(@ " %s cr_ret;\n" decl))
((functionp decl)
(funcall decl output ret "cr_ret" typage options))
(t
(gtk-warning
"Don't know how to declare type: %s" ret)))))
(unless (and (null args) (eq ret 'none))
(@ "\n"))
;; break out the list of parameters
(when (eq subrtype 'n)
(let
((tem args)
(i 1))
(while tem
(@ " if \(!rep_CONSP\(args\)\)\n")
(@ " p_%s = Qnil; \n" (gtk-arg-name (car tem)))
(@ " else {\n")
(@ (if (and (null (cdr tem)) (gtk-get-option 'rest-arg options))
" p_%s = args; args = Qnil;\n"
" p_%s = rep_CAR(args); args = rep_CDR(args);\n")
(gtk-arg-name (car tem)))
(@ " }\n")
(setq tem (cdr tem))
(setq i (1+ i)))
(@ "\n")))
;; output arg checks and conversions
(let
((tem args)
(i 1))
(while tem
(let*
((type (gtk-arg-type (car tem)))
(typage (gtk-type-info type))
(pred (gtk-type-pred typage))
(optional (gtk-arg-optional-p (car tem)))
(type-options (gtk-get-options type gtk-options)))
(when (gtk-get-option 'conversion type-options)
(@ " p_%s = %s \(p_%s\);\n"
(gtk-arg-name (car tem))
(gtk-get-option 'conversion type-options)
(gtk-arg-name (car tem))))
(unless (or optional (null pred))
(when (gtk-get-arg-options 'null-ok (car tem))
(@ " if (p_%s != Qnil)\n " (gtk-arg-name (car tem))))
(@ " rep_DECLARE \(%d, p_%s, " i (gtk-arg-name (car tem)))
(cond ((stringp pred)
(@ "%s \(p_%s\)" pred (gtk-arg-name (car tem))))
((functionp pred)
(funcall pred output type
(concat "p_" (gtk-arg-name (car tem)))
typage options))
(t
(gtk-warning "Don't know type predicate: %s" type)))
(@ "\);\n"))
(setq tem (cdr tem))
(setq i (1+ i)))))
(when args
(@ "\n"))
;; initialise gc roots
(mapc (lambda (arg)
(when (or (gtk-get-arg-options 'protect-during arg)
(gtk-type-prop (gtk-arg-type arg) 'finish))
(@ " rep_PUSHGC \(gc_%s, p_%s\);\n"
(gtk-arg-name arg) (gtk-arg-name arg)))) args)
;; output arg initialisations
(mapc (lambda (arg)
(let*
((type (gtk-arg-type arg))
(typage (gtk-type-info type))
(from (gtk-type-fromrep typage))
(optional (gtk-arg-optional-p arg)))
(when (gtk-get-arg-options 'null-ok arg)
(@ " if (p_%s == Qnil)\n c_%s = 0; \n else\n "
(gtk-arg-name arg) (gtk-arg-name arg)))
(when optional
(@ " if \(p_%s == Qnil\)\n c_%s = %s;\n else\n "