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implementation for scheme48.

This commit is contained in:
frese 2001-08-29 14:54:05 +00:00
parent 3a36140b69
commit 780cc2f939
3 changed files with 91 additions and 118 deletions
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129
c/xlib/error.c
View File

@ -1,92 +1,67 @@
#include "xlib.h"
#include <stdio.h>
static s48_value V_X_Error_Handler, V_X_Fatal_Error_Handler;
s48_value internal_x_error_handler_binding = S48_FALSE;
s48_value internal_x_fatal_error_handler_binding = S48_FALSE;
/* Default error handlers of the Xlib */
extern int _XDefaultIOError();
extern int _XDefaultError();
static X_Fatal_Error (d) Display *d; {
s48_value args, fun;
S48_DECLARE_GC_PROTECT(1);
static X_Fatal_Error (Display* d) {
//Reset_IO (0); //??
Reset_IO (0);
args = Make_Display (0, d);
S48_GC_PROTECT_1 (args);
args = s48_cons (args, S48_NULL);
S48_GC_UNPROTECT;
fun = Var_Get (V_X_Fatal_Error_Handler);
if (TYPE(fun) == T_Compound)
(void)Funcall (fun, args, 0);
_XDefaultIOError (d);
exit (1); /* In case the default handler doesn't exit() */
/*NOTREACHED*/
// call the scheme-func internal-x-fatal-error-handler, which does the rest.
s48_call_scheme(S48_SHARED_BINDING_REF(internal_x_fatal_error_handler_binding),
1, SCX_ENTER_DISPLAY(d));
// In case the scheme error handler does not exit (or none exists):
_XDefaultIOError (d);
// And if event the default handler does not exit:
exit (1);
/*NOTREACHED*/
}
static X_Error (d, ep) Display *d; XErrorEvent *ep; {
s48_value args, a, fun;
S48_DECLARE_GC_PROTECT(1);
static X_Error(Display* d, XErrorEvent* ep) {
s48_value args = s48_make_vector(7, S48_FALSE);
s48_value a = S48_FALSE, r = S48_FALSE;
int max_s = 1024;
char s[max_s];
S48_DECLARE_GC_PROTECT(2);
Reset_IO (0);
args = s48_enter_integer ((unsigned long)ep->resourceid);
S48_GC_PROTECT_1 (args);
args = s48_cons (args, S48_NULL);
a = s48_enter_integer (ep->minor_code);
args = s48_cons (a, args);
a = s48_enter_integer (ep->request_code);
args = s48_cons (a, args);
a = Bits_To_Symbols ((unsigned long)ep->error_code, 0, Error_Syms);
if (S48_NULL_P (a))
a = s48_enter_integer (ep->error_code);
args = s48_cons (a, args);
a = s48_enter_integer (ep->serial);
args = s48_cons (a, args);
a = Make_Display (0, ep->display);
args = s48_cons (a, args);
S48_GC_UNPROTECT;
fun = Var_Get (V_X_Error_Handler);
if (TYPE(fun) == T_Compound)
(void)Funcall (fun, args, 0);
else
_XDefaultError (d, ep);
//Reset_IO (0); //??
S48_GC_PROTECT_2(args, a);
S48_VECTOR_SET(args, 0, SCX_ENTER_DISPLAY(d));
S48_VECTOR_SET(args, 1, s48_enter_integer(ep->serial));
a = Bit_To_Symbol ((unsigned long)ep->error_code, Error_Syms);
if (S48_NULL_P (a))
a = s48_enter_integer (ep->error_code);
S48_VECTOR_SET(args, 2, a);
S48_VECTOR_SET(args, 3, s48_enter_integer (ep->request_code));
S48_VECTOR_SET(args, 4, s48_enter_integer (ep->minor_code));
S48_VECTOR_SET(args, 5, s48_enter_integer ((unsigned long)ep->resourceid));
XGetErrorText(d, ep->error_code, s, max_s);
S48_VECTOR_SET(args, 6, s48_enter_string(s));
r = s48_call_scheme(S48_SHARED_BINDING_REF(internal_x_error_handler_binding),
1, args);
S48_GC_UNPROTECT();
if S48_FALSE_P( r )
_XDefaultError (d, ep);
}
static X_After_Function (d) Display *d; {
s48_value args;
S48_DECLARE_GC_PROTECT(1);
void scx_init_error() {
S48_GC_PROTECT_GLOBAL(internal_x_error_handler_binding);
S48_GC_PROTECT_GLOBAL(internal_x_fatal_error_handler_binding);
internal_x_error_handler_binding =
s48_get_imported_binding("internal-x-error-handler");
internal_x_fatal_error_handler_binding =
s48_get_imported_binding("internal-x-fatal-error-handler");
(void)XSetIOErrorHandler (X_Fatal_Error);
(void)XSetErrorHandler (X_Error);
args = Make_Display (0, d);
S48_GC_PROTECT_1 (args);
args = s48_cons (args, S48_NULL);
S48_GC_UNPROTECT;
(void)Funcall (DISPLAY(S48_CAR (args))->after, args, 0);
}
static s48_value P_Set_After_Function (d, f) s48_value d, f; {
s48_value old;
Check_Type (d, T_Display);
if (S48_EQ_P(f, S48_FALSE)) {
(void)XSetAfterFunction (DISPLAY(d)->dpy, (int (*)())0);
} else {
Check_Procedure (f);
(void)XSetAfterFunction (DISPLAY(d)->dpy, X_After_Function);
}
old = DISPLAY(d)->after;
DISPLAY(d)->after = f;
return old;
}
static s48_value P_After_Function (d) s48_value d; {
Check_Type (d, T_Display);
return DISPLAY(d)->after;
}
elk_init_xlib_error () {
Define_Variable (&V_X_Fatal_Error_Handler, "x-fatal-error-handler", S48_NULL);
Define_Variable (&V_X_Error_Handler, "x-error-handler", S48_NULL);
(void)XSetIOErrorHandler (X_Fatal_Error);
(void)XSetErrorHandler (X_Error);
Define_Primitive (P_Set_After_Function, "set-after-function!", 2, 2, EVAL);
Define_Primitive (P_After_Function, "after-function", 1, 1, EVAL);
}

76
c/xlib/extension.c
View File

@ -1,48 +1,46 @@
#include "xlib.h"
static s48_value P_List_Extensions (d) s48_value d; {
s48_value ret;
int n;
register i;
register char **p;
S48_DECLARE_GC_PROTECT(1);
s48_value scx_List_Extensions (s48_value d) {
s48_value ret;
int n, i;
char **p;
S48_DECLARE_GC_PROTECT(1);
Check_Type (d, T_Display);
Disable_Interrupts;
p = XListExtensions (DISPLAY(d)->dpy, &n);
Enable_Interrupts;
ret = s48_make_vector (n, S48_NULL);
S48_GC_PROTECT_1 (ret);
for (i = 0; i < n; i++) {
s48_value e;
e = Make_String (p[i], strlen (p[i]));
S48_VECTOR_SET(ret, i, e;)
}
S48_GC_UNPROTECT;
XFreeExtensionList (p);
return ret;
//Disable_Interrupts;
p = XListExtensions (SCX_EXTRACT_DISPLAY(d), &n);
//Enable_Interrupts;
ret = s48_make_vector (n, S48_FALSE);
S48_GC_PROTECT_1 (ret);
for (i = 0; i < n; i++) {
S48_VECTOR_SET(ret, i, s48_enter_string(p[i]));
}
S48_GC_UNPROTECT();
XFreeExtensionList (p);
return ret;
}
static s48_value P_Query_Extension (d, name) s48_value d, name; {
int opcode, event, error;
s48_value ret, t;
S48_DECLARE_GC_PROTECT(2);
s48_value scx_Query_Extension (s48_value d, s48_value name) {
int opcode, event, error;
s48_value ret;
S48_DECLARE_GC_PROTECT(1);
Check_Type (d, T_Display);
if (!XQueryExtension (DISPLAY(d)->dpy, Get_Strsym (name), &opcode,
&event, &error))
return S48_FALSE;
t = ret = P_Make_List (s48_enter_integer (3), S48_NULL);
S48_GC_PROTECT_2 (ret, t);
S48_CAR (t) = (opcode ? s48_enter_integer (opcode) : S48_FALSE); t = S48_CDR (t);
S48_CAR (t) = (event ? s48_enter_integer (event) : S48_FALSE); t = S48_CDR (t);
S48_CAR (t) = (error ? s48_enter_integer (error) : S48_FALSE);
S48_GC_UNPROTECT;
return ret;
if (!XQueryExtension (SCX_EXTRACT_DISPLAY(d),
s48_extract_string(name),
&opcode, &event, &error))
return S48_FALSE;
ret = s48_make_vector(3, S48_FALSE);
S48_GC_PROTECT_1(ret);
S48_VECTOR_SET(ret, 0, opcode ? s48_enter_integer (opcode) : S48_FALSE);
S48_VECTOR_SET(ret, 1, event ? s48_enter_integer (event) : S48_FALSE);
S48_VECTOR_SET(ret, 2, error ? s48_enter_integer (error) : S48_FALSE);
S48_GC_UNPROTECT();
return ret;
}
elk_init_xlib_extension () {
Define_Primitive (P_List_Extensions, "list-extensions", 1, 1, EVAL);
Define_Primitive (P_Query_Extension, "query-extension", 2, 2, EVAL);
scx_init_extension () {
S48_EXPORT_FUNCTION(scx_List_Extensions);
S48_EXPORT_FUNCTION(scx_Query_Extension);
}

4
c/xlib/grab.c
View File

@ -131,7 +131,7 @@ s48_value scx_Allow_Events (s48_value Xdpy, s48_value mode, s48_value time){
s48_value scx_Grab_Server (s48_value Xdpy){
XGravServer(SCX_EXTRACT_DISPLAY(Xdpy));
XGrabServer(SCX_EXTRACT_DISPLAY(Xdpy));
return S48_UNSPECIFIC;
}
@ -150,7 +150,7 @@ void scx_init_grab(void) {
S48_EXPORT_FUNCTION(scx_Change_Active_Pointer_Grab);
S48_EXPORT_FUNCTION(scx_Grab_Keyboard);
S48_EXPORT_FUNCTION(scx_Ungrab_Keyboard);
S48_EXPORT_FUNCITON(scx_Grab_Key);
S48_EXPORT_FUNCTION(scx_Grab_Key);
S48_EXPORT_FUNCTION(scx_Ungrab_Key);
S48_EXPORT_FUNCTION(scx_Allow_Events);
S48_EXPORT_FUNCTION(scx_Grab_Server);