Backup

Makefile

@@ -24,6 +24,13 @@ SFX=sps
 LIB_PATHS=-I .akku/lib
 endif
 
+APT_PACKAGES=
+CSC_OPTIONS=
+ifeq "${LIBRARY}" "gi-repository"
+APT_PACKAGES=libgirepository-2.0-dev
+CSC_OPTIONS=-L -lgirepository-2.0 -L -lgobject-2.0 -L -lglib-2.0
+endif
+
 all: build
 
 build: retropikzel/${LIBRARY}/LICENSE retropikzel/${LIBRARY}/VERSION
@@ -42,20 +49,34 @@ install:
 testfiles: build
 	rm -rf .tmp
 	mkdir -p .tmp
+	cp -r retropikzel .tmp/
 	cp ${PKG} .tmp/
 	# R6RS testfiles
-	printf "#!r6rs\n(import (except (rnrs) remove) (srfi :64) (retropikzel ${LIBRARY}))" > .tmp/test.sps
+	printf "#!r6rs\n(import (except (rnrs) remove) (srfi :64) (foreign c) (retropikzel ${LIBRARY}))" > .tmp/test.sps
 	cat ${TESTFILE} >> .tmp/test.sps
 	# R7RS testfiles
-	echo "(import (scheme base) (scheme write) (scheme read) (scheme char) (scheme file) (scheme process-context) (srfi 64) (retropikzel ${LIBRARY}))" > .tmp/test.scm
+	echo "(import (scheme base) (scheme write) (scheme read) (scheme char) (scheme file) (scheme process-context) (srfi 64) (foreign c) (retropikzel ${LIBRARY}))" > .tmp/test.scm
 	cat ${TESTFILE} >> .tmp/test.scm
 
 test: testfiles
-	cd .tmp && COMPILE_R7RS=${SCHEME} compile-r7rs -o test-program test.${SFX}
+	cd .tmp && \
+		COMPILE_R7RS=${SCHEME} \
+		CSC_OPTIONS="${CSC_OPTIONS}" \
+		compile-r7rs \
+		-o test-program \
+		test.${SFX}
 	cd .tmp && ./test-program
 
 test-docker: testfiles
-	cd .tmp && SNOW_PACKAGES="srfi.64 foreign.c" COMPILE_R7RS=${SCHEME} test-r7rs -o test-program test.${SFX} ${PKG}
+	cd .tmp && \
+		COMPILE_R7RS=${SCHEME} \
+		CSC_OPTIONS="${CSC_OPTIONS}" \
+		SNOW_PACKAGES="srfi.64 foreign.c" \
+		APT_PACKAGES="${APT_PACKAGES}" \
+		test-r7rs \
+		-o test-program \
+		test.${SFX} \
+		${PKG}
 
 clean:
 	git clean -X -f

retropikzel/gi-repository.scm

@@ -1,10 +1,437 @@
 (define-c-library libc '("stdlib.h") #f '())
+(define-c-procedure c-perror libc 'perror 'void '(pointer))
+
 (define-c-library c-gi
                   '("girepository/girepository.h")
                   "girepository-2.0"
                   '((additional-versions ("0"))))
 
-(define-c-procedure gi-repository-new c-gi 'gi_repository_new 'pointer '())
-(define-c-procedure gi-repository-require c-gi 'gi_repository_require 'pointer '(pointer pointer pointer int pointer))
-(define-c-procedure gi-repository-find-by-name c-gi 'gi_repository_find_by_name 'pointer '(pointer pointer pointer))
-(define-c-procedure gi-function-info-invoke c-gi 'gi_function_info_invoke 'int '(pointer pointer int pointer int pointer pointer))
+
+
+(define-c-procedure c-gi-repository-new c-gi 'gi_repository_new 'pointer '())
+(define-c-procedure c-gi-repository-require c-gi 'gi_repository_require 'pointer '(pointer pointer pointer int pointer))
+(define-c-procedure c-gi-repository-find-by-name c-gi 'gi_repository_find_by_name 'pointer '(pointer pointer pointer))
+(define-c-procedure c-gi-repository-c-prefix c-gi 'gi_repository_get_c_prefix 'pointer '(pointer pointer))
+(define-c-procedure c-gi-repository-get-loaded-namespaces c-gi 'gi_repository_get_loaded_namespaces 'pointer '(pointer pointer))
+
+(define-c-procedure c-gi-base-info-get-name c-gi 'gi_base_info_get_name 'pointer '(pointer))
+(define-c-procedure c-gi-base-info-get-namespace c-gi 'gi_base_info_get_namespace 'pointer '(pointer))
+(define-c-procedure c-gi-base-info-get-typelib c-gi 'gi_base_info_get_typelib 'pointer '(pointer))
+(define-c-procedure c-gi-base-info-get-attribute c-gi 'gi_base_info_get_attribute 'pointer '(pointer pointer))
+(define-c-procedure c-gi-base-info-get-namespace c-gi 'gi_base_info_get_namespace 'pointer '(pointer))
+
+(define-c-procedure c-gi-function-info-invoke c-gi 'gi_function_info_invoke 'int '(pointer pointer int pointer int pointer pointer))
+
+(define-c-procedure c-gi-callable-info-get-return-type c-gi 'gi_callable_info_get_return_type 'pointer '(pointer))
+(define-c-procedure c-gi-callable-info-get-n-args c-gi 'gi_callable_info_get_n_args 'uint '(pointer))
+(define-c-procedure c-gi-callable-info-get-arg c-gi 'gi_callable_info_get_arg 'pointer '(pointer uint))
+
+(define-c-procedure c-gi-arg-info-get-type-info c-gi 'gi_arg_info_get_type_info 'pointer '(pointer))
+
+(define-c-procedure c-gi-type-info-get-tag c-gi 'gi_type_info_get_tag 'uint '(pointer))
+(define-c-procedure c-gi-type-info-get-interface c-gi 'gi_type_info_get_interface 'pointer '(pointer))
+
+(define-c-procedure c-gi-struct-info-find-method c-gi 'gi_struct_info_find_method 'pointer '(pointer pointer))
+
+(define-c-procedure c-gi-object-info-find-method c-gi 'gi_object_info_find_method 'pointer '(pointer pointer))
+(define-c-procedure c-gi-object-info-find-signal c-gi 'gi_object_info_find_signal 'pointer '(pointer pointer))
+
+(define-c-struct-type gerror '((domain u32) (code int) (message pointer)))
+
+(define GI-TYPE-TAG-VOID 0)
+(define GI-TYPE-TAG-BOOLEAN 1)
+(define GI-TYPE-TAG-INT8 2)
+(define GI-TYPE-TAG-UINT8 3)
+(define GI-TYPE-TAG-INT16 4)
+(define GI-TYPE-TAG-UINT16 5)
+(define GI-TYPE-TAG-INT32 6)
+(define GI-TYPE-TAG-UINT32 7)
+(define GI-TYPE-TAG-INT64 8)
+(define GI-TYPE-TAG-UINT64 9)
+(define GI-TYPE-TAG-FLOAT 10)
+(define GI-TYPE-TAG-DOUBLE 11)
+(define GI-TYPE-TAG-GTYPE 12)
+(define GI-TYPE-TAG-UTF8 13)
+(define GI-TYPE-TAG-FILENAME 14)
+(define GI-TYPE-TAG-ARRAY 15)
+(define GI-TYPE-TAG-INTERFACE 16)
+(define GI-TYPE-TAG-GLIST 17)
+(define GI-TYPE-TAG-GSLIST 18)
+(define GI-TYPE-TAG-GHASH 19)
+(define GI-TYPE-TAG-ERROR 20)
+(define GI-TYPE-TAG-UNICHAR 21)
+
+(define (gi-type->foreign-c-type type-info)
+  (let* ((tag (c-gi-type-info-get-tag type-info))
+        (result (cond ((= tag GI-TYPE-TAG-VOID)
+                       ;; FIXME
+                       'callback)
+                      ((= tag GI-TYPE-TAG-BOOLEAN) 'int)
+                      ((= tag GI-TYPE-TAG-INT8) 'i8)
+                      ((= tag GI-TYPE-TAG-UINT8) 'u8)
+                      ((= tag GI-TYPE-TAG-INT16) 'i16)
+                      ((= tag GI-TYPE-TAG-UINT16) 'u16)
+                      ((= tag GI-TYPE-TAG-INT32) 'i32)
+                      ((= tag GI-TYPE-TAG-UINT32) 'u32)
+                      ((= tag GI-TYPE-TAG-INT64) 'i64)
+                      ((= tag GI-TYPE-TAG-UINT64) 'u64)
+                      ((= tag GI-TYPE-TAG-FLOAT) 'float)
+                      ((= tag GI-TYPE-TAG-DOUBLE) 'double)
+                      ((= tag GI-TYPE-TAG-GTYPE) 'int)
+                      ((= tag GI-TYPE-TAG-UTF8) 'pointer)
+                      ((= tag GI-TYPE-TAG-FILENAME) 'pointer)
+                      ((= tag GI-TYPE-TAG-ARRAY) 'pointer)
+                      ((= tag GI-TYPE-TAG-INTERFACE)
+                       ;(display "HERE: interface name ")
+                       ;(write (c-bytevector->string (c-gi-base-info-get-name (c-gi-type-info-get-interface type-info))))
+                       ;(newline)
+                       ;; FIXME Read type from type-info somehow
+                       (cond ((or
+                              (string=? (c-bytevector->string (c-gi-base-info-get-name (c-gi-type-info-get-interface type-info))) "ApplicationFlags")
+                              (string=? (c-bytevector->string (c-gi-base-info-get-name (c-gi-type-info-get-interface type-info))) "WindowType"))
+                              'int)
+                             (else 'pointer)))
+                      ((= tag GI-TYPE-TAG-GLIST) 'pointer)
+                      ((= tag GI-TYPE-TAG-GSLIST) 'pointer)
+                      ((= tag GI-TYPE-TAG-GHASH) 'pointer)
+                      ((= tag GI-TYPE-TAG-ERROR) 'pointer)
+                      ((= tag GI-TYPE-TAG-UNICHAR) 'int)
+                      (else (error "gi-type->foreign-c-type: Unknown gi-type"
+                                   (c-bytevector->string (c-gi-base-info-get-name (c-gi-type-info-get-interface type-info))))))))
+    result))
+
+(define-record-type <gi-repository>
+  (make-gi-repository name cbv)
+  gi-repository?
+  (name gi-repository-name)
+  (cbv gi-repository-cbv))
+
+(define (gi-repository name version)
+  (let ((repository (c-gi-repository-new))
+        (err (c-bytevector-null)))
+    (call-with-address-of
+      err
+      (lambda (err-address)
+        (c-gi-repository-require repository
+                                 (string->c-bytevector name)
+                                 (string->c-bytevector version)
+                                 0
+                                 err-address)))
+    (when (not (c-bytevector-null? err))
+      (let* ((error-list (c-bytevector->list err gerror))
+             (msg (c-bytevector->string (cdr (assoc 'message error-list)))))
+        (c-bytevector-free (cdr (assoc 'message error-list)))
+        (c-bytevector-free repository)
+        (error (string-append "load-gi-repository: " msg)
+               (car error-list)
+               (cadr error-list))))
+    (make-gi-repository name repository)))
+
+(define (gi-repository-info repository)
+  (let*
+    ((cbv (gi-repository-cbv repository))
+     (c-prefix (c-bytevector->string
+                 (c-gi-repository-c-prefix cbv
+                                           (string->c-bytevector
+                                             (gi-repository-name repository)))))
+     (loaded-namespaces
+       (letrec* ((count-cbv (make-c-bytevector (c-type-size 'int)))
+                 (namespaces (c-gi-repository-get-loaded-namespaces cbv count-cbv))
+                 (count (c-bytevector-ref count-cbv 'int 0))
+                 (looper
+                   (lambda (index result)
+                     (if (= index count)
+                       result
+                       (looper (+ index 1)
+                               (append result
+                                       (list
+                                         (c-bytevector->string (c-bytevector-ref namespaces
+                                                                                 'pointer
+                                                                                 (* (c-type-size 'pointer) index))))))))))
+         (looper 0 '())
+         ))
+     )
+    `((c-prefix . ,c-prefix)
+      (loaded-namespaces . ,loaded-namespaces)
+      )))
+
+(define (gi-function-info repository function-name)
+  (let ((info (c-gi-repository-find-by-name
+                (gi-repository-cbv repository)
+                (string->c-bytevector (gi-repository-name repository))
+                (string->c-bytevector function-name))))
+    (if (c-bytevector-null? info)
+      #f
+      (letrec*
+        ((return-info (c-gi-callable-info-get-return-type info))
+         (return-type (gi-type->foreign-c-type return-info))
+         (argument-count (c-gi-callable-info-get-n-args info))
+         (argument-types-loop
+           (lambda (index result)
+             (if (= index argument-count)
+               result
+               (argument-types-loop
+                 (+ index 1)
+                 (append
+                   result
+                   (list
+                     (let* ((arg-info (c-gi-callable-info-get-arg info index))
+                            (type-info (c-gi-arg-info-get-type-info arg-info))
+                            (type (gi-type->foreign-c-type type-info)))
+                       `((type . ,type)
+                         (index . ,index)))))))))
+         (argument-types (argument-types-loop 0 '())))
+        `((namespace . ,(gi-repository-name repository))
+          (function-name . ,function-name)
+          (return-type . ,return-type)
+          (argument-count . ,argument-count)
+          (argument-types . ,argument-types)
+          (info-cbv . ,info))))))
+
+(define (gi-invoke repository name . args)
+  (when (not (gi-repository? repository))
+    (error "gi-invoke: repository argument must be gi-repository" repository))
+  (when (not (string? name))
+    (error "gi-invoke: name argument must be string" name))
+  (letrec*
+    ((function-info
+       (let ((function-info
+               (c-gi-repository-find-by-name
+                 (gi-repository-cbv repository)
+                 (string->c-bytevector (gi-repository-name repository))
+                 (string->c-bytevector name))))
+         (when (c-bytevector-null? function-info)
+           (error "gi-invoke: Repository has not function"
+                  (gi-repository-name repository)
+                  name))
+         function-info))
+     (function-return-info (c-gi-callable-info-get-return-type function-info))
+     (return-type (gi-type->foreign-c-type function-return-info))
+     (n-args (let ((n-args (c-gi-callable-info-get-n-args function-info)))
+               (when (not (= n-args (length args)))
+                 (error
+                   (string-append "gi-invoke: Argument count mismatch, got "
+                                  (number->string (length args))
+                                  ", wanted "
+                                  (number->string n-args))
+                   ;(gi-object-namespace object)
+                   ;(gi-object-name object)
+                   name))
+               n-args))
+     (arg-info-looper
+       (lambda (index result)
+         (if (or (= index n-args)
+                 (= index (length args)))
+           result
+           (arg-info-looper
+             (+ index 1)
+             (append
+               result
+               (list
+                 (let* ((arg-info (c-gi-callable-info-get-arg function-info index))
+                        (type-info (c-gi-arg-info-get-type-info arg-info))
+                        (type (gi-type->foreign-c-type type-info)))
+                   (cons type (list-ref args index)))))))))
+     (arg-info (arg-info-looper 0 '()))
+     (arg-cbv (make-c-bytevector 1024))
+     (arg-cbv-offset 0)
+     (invoke-error (c-bytevector-null))
+     (return-value (make-c-bytevector 1024)))
+    (for-each
+      (lambda (arg)
+        (c-bytevector-set! arg-cbv
+                           (car arg)
+                           arg-cbv-offset
+                           (if (string? (cdr arg))
+                             (string->c-bytevector (cdr arg))
+                             (cdr arg)))
+        (set! arg-cbv-offset (+ arg-cbv-offset (c-type-size (car arg)))))
+      arg-info)
+    (c-gi-function-info-invoke function-info
+                               arg-cbv
+                               n-args
+                               (c-bytevector-null)
+                               0
+                               return-value
+                               invoke-error)
+    (when (not (symbol=? return-type 'void))
+      (c-bytevector-ref return-value return-type 0))))
+
+(define (gi-struct repository namespace name)
+  (let ((base-info
+          (c-gi-repository-find-by-name (gi-repository-cbv repository)
+                                        (string->c-bytevector namespace)
+                                        (string->c-bytevector name))))
+    (when (c-bytevector-null? base-info)
+      (c-perror (string->c-bytevector "(C perror) gi-object"))
+      (error "gi-object: ERROR" namespace name base-info))
+    base-info))
+
+(define (gi-struct-method-info struct method-name)
+  (let ((info (c-gi-struct-info-find-method struct (string->c-bytevector method-name))))
+    (if (c-bytevector-null? info)
+      #f
+      (letrec*
+        ((return-info (c-gi-callable-info-get-return-type info))
+         (return-type (gi-type->foreign-c-type return-info))
+         (argument-count (c-gi-callable-info-get-n-args info))
+         (argument-types-loop
+           (lambda (index result)
+             (if (= index argument-count)
+               result
+               (argument-types-loop
+                 (+ index 1)
+                 (append
+                   result
+                   (list
+                     (let* ((arg-info (c-gi-callable-info-get-arg info index))
+                            (type-info (c-gi-arg-info-get-type-info arg-info))
+                            (type (gi-type->foreign-c-type type-info)))
+                       `((type . ,type)
+                         (index . ,index)))))))))
+         (argument-types (argument-types-loop 0 '())))
+        `((namespace . ,(gi-info-namespace struct))
+          (struct-name . ,(gi-info-name struct))
+          (method-name . ,method-name)
+          (return-type . ,return-type)
+          (argument-count . ,argument-count)
+          (argument-types . ,argument-types)
+          (info-cbv . ,info))))))
+
+(define (gi-struct-invoke struct method-name . args)
+  (let ((method-info (gi-struct-method-info struct method-name)))
+    (when (not method-info)
+      (error "gi-struct-invoke: Struct has no method" struct method-name))
+    (when (not (= (cdr (assoc 'argument-count method-info)) (length args)))
+      (error
+        (string-append "gi-struct-invoke: Argument count mismatch, got "
+                       (number->string (length args))
+                       ", wanted "
+                       (number->string (cdr (assoc 'argument-count method-info))))
+        (gi-struct-namespace struct)
+        (gi-struct-name struct)
+        method-name))
+    (let
+      ((info-cbv (cdr (assoc 'info-cbv method-info)))
+       (arg-cbv (make-c-bytevector 1024))
+       (arg-cbv-offset 0)
+       (invoke-error (c-bytevector-null))
+       (return-value (make-c-bytevector 1024)))
+      (for-each
+        (lambda (arg)
+          (let ((value (list-ref args (cdr (assoc 'index arg)))))
+            (c-bytevector-set! arg-cbv
+                               (cdr (assoc 'type arg))
+                               arg-cbv-offset
+                               (if (string? value)
+                                 (string->c-bytevector value)
+                                 value))
+            (set! arg-cbv-offset (+ arg-cbv-offset (c-type-size (cdr (assoc 'type arg)))))))
+        (cdr (assoc 'argument-types method-info)))
+      (c-gi-function-info-invoke info-cbv
+                                 arg-cbv
+                                 (cdr (assoc 'argument-count method-info))
+                                 (c-bytevector-null)
+                                 0
+                                 return-value
+                                 invoke-error)
+      (if (not (symbol=? (cdr (assoc 'return-type method-info)) 'void))
+        (c-bytevector-ref return-value
+                          (cdr (assoc 'return-type method-info))
+                          0)))))
+
+(define (gi-object repository namespace name)
+  (let ((base-info
+          (c-gi-repository-find-by-name (gi-repository-cbv repository)
+                                        (string->c-bytevector namespace)
+                                        (string->c-bytevector name))))
+    (when (c-bytevector-null? base-info)
+      (c-perror (string->c-bytevector "(C perror) gi-object"))
+      (error "gi-object: ERROR" namespace name base-info))
+    base-info))
+
+(define (gi-info-namespace info)
+  (c-bytevector->string (c-gi-base-info-get-namespace info)))
+(define gi-object-namespace gi-info-namespace)
+(define gi-struct-namespace gi-info-namespace)
+
+(define (gi-info-name info)
+  (c-bytevector->string (c-gi-base-info-get-name info)))
+(define gi-object-name gi-info-name)
+(define gi-struct-name gi-info-name)
+
+(define (gi-object-method-info object method-name)
+  (let ((info (c-gi-object-info-find-method object (string->c-bytevector method-name))))
+    (if (c-bytevector-null? info)
+      #f
+      (letrec*
+        ((return-info (c-gi-callable-info-get-return-type info))
+         (return-type (gi-type->foreign-c-type return-info))
+         (argument-count (c-gi-callable-info-get-n-args info))
+         (argument-types-loop
+           (lambda (index result)
+             (if (= index argument-count)
+               result
+               (argument-types-loop
+                 (+ index 1)
+                 (append
+                   result
+                   (list
+                     (let* ((arg-info (c-gi-callable-info-get-arg info index))
+                            (type-info (c-gi-arg-info-get-type-info arg-info))
+                            (type (gi-type->foreign-c-type type-info)))
+                       `((type . ,type)
+                         (index . ,index)))))))))
+         (argument-types (argument-types-loop 0 '())))
+        `((namespace . ,(gi-info-namespace object))
+          (object-name . ,(gi-info-name object))
+          (method-name . ,method-name)
+          (return-type . ,return-type)
+          (argument-count . ,argument-count)
+          (argument-types . ,argument-types)
+          (info-cbv . ,info))))))
+
+(define (gi-object-invoke object method-name . args)
+  (let ((method-info (gi-object-method-info object method-name)))
+    (when (not method-info)
+      (error "gi-object-invoke: Object has no method" object method-name))
+    (when (not (= (cdr (assoc 'argument-count method-info)) (length args)))
+      (error
+        (string-append "gi-object-invoke: Argument count mismatch, got "
+                       (number->string (length args))
+                       ", wanted "
+                       (number->string (cdr (assoc 'argument-count method-info))))
+        (gi-object-namespace object)
+        (gi-object-name object)
+        method-name))
+    (let
+      ((info-cbv (cdr (assoc 'info-cbv method-info)))
+       (arg-cbv (make-c-bytevector 1024))
+       (arg-cbv-offset 0)
+       (invoke-error (c-bytevector-null))
+       (return-value (make-c-bytevector 1024)))
+      (for-each
+        (lambda (arg)
+          (display "HERE: arg ")
+          (write arg)
+          (newline)
+          (let ((value (list-ref args (cdr (assoc 'index arg)))))
+            (c-bytevector-set! arg-cbv
+                               (cdr (assoc 'type arg))
+                               arg-cbv-offset
+                               (if (string? value)
+                                 (string->c-bytevector value)
+                                 value))
+            (set! arg-cbv-offset (+ arg-cbv-offset (c-type-size (cdr (assoc 'type arg)))))))
+        (cdr (assoc 'argument-types method-info)))
+      (c-gi-function-info-invoke info-cbv
+                                 arg-cbv
+                                 (cdr (assoc 'argument-count method-info))
+                                 (c-bytevector-null)
+                                 0
+                                 return-value
+                                 invoke-error)
+      (if (not (symbol=? (cdr (assoc 'return-type method-info)) 'void))
+        (c-bytevector-ref return-value
+                          (cdr (assoc 'return-type method-info))
+                          0)))))

retropikzel/gi-repository.sld

@@ -3,8 +3,24 @@
   (import (scheme base)
           (scheme write)
           (foreign c))
-  (export gi-repository-new
-          gi-repository-require
-          gi-repository-find-by-name
-          gi-function-info-invoke)
+  (export gi-repository
+          gi-repository-info
+          gi-function-info
+          gi-invoke
+
+          gi-struct
+          gi-struct-method-info
+          gi-struct-namespace
+          gi-struct-name
+          gi-struct-invoke
+
+          gi-object
+          gi-object-info
+          gi-object-namespace
+          gi-object-name
+          gi-object-method-info
+          gi-object-invoke
+          gi-info-namespace
+
+          )
   (include "gi-repository.scm"))

retropikzel/gi-repository/test.scm

@@ -1,55 +1,44 @@
 
-(test-begin "gi-repository")
+;(test-begin "gi-repository")
+(define-c-library libc '("stdlib.h" "stdio.h" "string.h" "stdio.h") #f ())
+(define-c-procedure c-puts libc 'puts 'int '(pointer))
 
-(define repository (gi-repository-new))
-(display repository)
+(define gtk (gi-repository "Gtk" "4.0"))
+(define gtk-application (gi-object gtk "Gtk" "Application"))
+(define gtk-window (gi-object gtk "Gtk" "ApplicationWindow"))
+
+(define gobject (gi-repository "GObject" "2.0"))
+(define gobject-object (gi-object gtk "GObject" "Object"))
+(define gobject-closure (gi-struct gtk "GObject" "Closure"))
+
+(define gio (gi-repository "Gio" "2.0"))
+(define gio-application (gi-object gio "Gio" "Application"))
+
+(define app (gi-object-invoke gtk-application "new" "org.hello.world" 0))
+
+;(display "HERE: method-info ")
+;(write (gi-object-method-info gtk-window "new"))
+;(newline)
+
+(define-c-callback
+  closure-process
+  'void
+  '(pointer pointer int pointer pointer pointer)
+  (lambda (closure return-value n-param-values param-values invocation-hint marshal-data)
+    ;(c-puts (string->c-bytevector "HERE IN CLOSURE"))
+    (display "HERE: in closure")
+    (newline)
+    ))
+(define closure (gi-struct-invoke gobject-closure "new_simple" 128 closure-process))
+
+(gi-invoke gobject "signal_connect_closure" app "activate" closure 0)
+(display "HERE: method-info ")
+(write (gi-object-method-info gio-application "run"))
 (newline)
 
-(define err (make-c-null))
-
-(call-with-address-of
-  err
-  (lambda (err-address)
-    (gi-repository-require repository
-                           (string->c-utf8 "GLib")
-                           (string->c-utf8 "2.0")
-                           0
-                           err-address)
-    (when (not (c-null? err))
-      (error "gi-repository-require failed"))))
+(display (gi-object-invoke gio-application "run" app 0 (c-bytevector-null)))
+(newline)
 
 
-(define base-info
-  (gi-repository-find-by-name repository
-                              (string->c-utf8 "GLib")
-                              (string->c-utf8 "assertion_message")))
-
-(when (c-null? base-info) (error "base-info failed"))
-
-(define args (make-c-bytevector (* (c-type-size 'pointer) 5)))
-
-(c-bytevector-pointer-set! args 0 (string->c-utf8 "domain"))
-(c-bytevector-pointer-set! args (c-type-size 'pointer) (string->c-utf8 "(retropikzel gi-repository)"))
-(c-bytevector-u8-set! args (* (c-type-size 'pointer) 2) 42)
-(c-bytevector-pointer-set! args (* (c-type-size 'pointer) 3) (string->c-utf8 "test.scm"))
-(c-bytevector-pointer-set! args (* (c-type-size 'pointer) 4) (string->c-utf8 "foobar"))
-
-(define return-value (make-c-bytevector (c-type-size 'int)))
-(define invoke-err (make-c-null))
-(call-with-address-of
-  invoke-err
-  (lambda (invoke-err-address)
-    (let ((return-code
-            (gi-function-info-invoke base-info
-                                     args
-                                     5
-                                     (make-c-null)
-                                     0
-                                     (make-c-null)
-                                     invoke-err-address)))
-      (display "HERE: ")
-      (write return-code)
-      (newline)
-      )))
-
-(test-end "gi-repository")
+;|#
+;(test-end "gi-repository")