task main(){
while(true) {
moveR();
moveL();
moveS();
moveB();
}
}
P op_errormessage(void)
{
LBIG e, pid, port;
P nb, tnb;
B *m, *s;
if (o_6 < FLOORopds) goto baderror;
if (CLASS(o_6) != NUM) goto baderror;
if (! VALUE(o_6, &pid)) goto baderror;
if (TAG(o_5) != (ARRAY | BYTETYPE)) goto baderror;
if (CLASS(o_4) != NUM) goto baderror;
if (! VALUE(o_4, &port)) goto baderror;
if (TAG(o_3) != (ARRAY | BYTETYPE)) goto baderror;
if (CLASS(o_2) != NUM) goto baderror;
if (!VALUE(o_2, &e)) goto baderror;
if (TAG(o_1) != (ARRAY | BYTETYPE)) goto baderror;
s = (B *)VALUE_BASE(o_1);
tnb = ARRAY_SIZE(o_1);
nb = dm_snprintf((char*) s, tnb, "On %*s port %llu, pid %llu: ",
(int) ARRAY_SIZE(o_5),
(char*) VALUE_BASE(o_5),
(unsigned long long) port,
(unsigned long long) pid);
s += nb;
tnb -= nb;
if ((P)e < 0) /*Clib error */
nb = dm_snprintf((char*) s, tnb, "errno: %s",
(char*) strerror(-(int)e));
else { /* one of our error codes: decode */
m = geterror((P) e);
nb = strlen((char*) m);
if (nb > tnb) nb = tnb;
moveB(m, s, nb);
}
s += nb;
tnb -= nb;
nb = dm_snprintf((char*)s, tnb, " in %*s\n",
(int) ARRAY_SIZE(o_3),
(char*) VALUE_BASE(o_3));
ARRAY_SIZE(o_1) = (P)(s + nb) - VALUE_BASE(o_1);
moveframe(o_1,o_6);
FREEopds = o_5;
return OK;
baderror:
printf("**Error with corrupted error info on operand stack!\n");
return op_halt();
}
P op_Xconnect(void)
{
#if X_DISPLAY_MISSING
return NO_XWINDOWS;
#else
P retc;
if (o_1 < FLOORopds) return OPDS_UNF;
if (TAG(o_1) != (ARRAY | BYTETYPE)) return OPD_ERR;
if (ARRAY_SIZE(o_1) > (P) sizeof(displayname)-1) return RNG_CHK;
DEBUG("open display%s", "");
if (ARRAY_SIZE(o_1) > 0) {
moveB((B *)VALUE_BASE(o_1), displayname, ARRAY_SIZE(o_1));
displayname[ARRAY_SIZE(o_1)] = '\000';
dvtdisplay = XOpenDisplay((char*)displayname);
}
else if ((dvtdisplay = XOpenDisplay(NULL))) {
strncpy((char*)displayname, DisplayString(dvtdisplay),
sizeof(displayname)-1);
displayname[sizeof(displayname)-1] = '\000';
};
if (! dvtdisplay) {
*displayname = '\0';
return X_BADHOST;
};
setenv("DISPLAY", (char*)displayname, 1);
dvtscreen = HXDefaultScreenOfDisplay(dvtdisplay);
dvtrootwindow = HXDefaultRootWindow(dvtdisplay);
if (HXGetWindowAttributes(dvtdisplay,dvtrootwindow,&rootwindowattr) == 0)
dm_error(0, "Xwindows: no root window attributes");
ndvtwindows = 0;
ncachedfonts = 0;
dvtgc = HXCreateGC(dvtdisplay,dvtrootwindow,0,NULL);
xsocket = ConnectionNumber(dvtdisplay);
if ((retc = addsocket(xsocket, &sockettype, &defaultsocketinfo))) {
if (retc == SOCK_STATE) {
if (close(xsocket)) return -errno;
xsocket = -1;
}
int_Xdisconnect(TRUE);
return retc;
}
FREEopds = o_1;
XSetErrorHandler(xerrorhandler);
XSetIOErrorHandler(xioerrorhandler);
return OK;
#endif
}
void keyPressed(unsigned char x, int i, int j)
{
switch(x){
case 'x': exit(0);
case 'z': Aisclippingwindow = !Aisclippingwindow;
break;
case 'a': eyex-=0.5;
break;
case 'd': eyex+=0.5;
break;
case 'w': eyez-=0.5;
break;
case 's': eyez+=0.5;
break;
case 'q': eyey+=0.5;
break;
case 'e': eyey-=0.5;
break;
case 'n': moveB(posB++);
break;
}
onDraw();
}
// (pattern) | [ (path)...]
P op_glob(void) {
glob_t gl;
size_t i;
B* curr = FREEvm;
B* top;
P retc = OK;
if (o_1 < FLOORopds) return OPDS_UNF;
if (TAG(o_1) != (ARRAY|BYTETYPE)) return OPD_CLA;
if (curr + ARRAY_SIZE(o_1) + 1 >= CEILvm)
return VM_OVF;
moveB(VALUE_PTR(o_1), curr, ARRAY_SIZE(o_1));
curr += ARRAY_SIZE(o_1);
curr[0] = '\0';
curr = FREEvm;
switch (glob((char*) curr, GLOB_BRACE|GLOB_TILDE, NULL, &gl)) {
case 0: break;
case GLOB_NOMATCH:
if (curr + FRAMEBYTES >= CEILvm) return VM_OVF;
TAG(curr) = LIST;
ATTR(curr) = PARENT;
VALUE_PTR(curr) = LIST_CEIL_PTR(curr) = curr + FRAMEBYTES;
curr += FRAMEBYTES;
moveframe(FREEvm, o_1);
FREEvm = curr;
return OK;
case GLOB_NOSPACE: return MEM_OVF;
case GLOB_ABORTED: return errno ? -errno : READ_ERROR;
default: return UNKNOWN_ERR;
};
if (curr + FRAMEBYTES + FRAMEBYTES * gl.gl_pathc >= CEILvm)
goto vm_ovf;
TAG(curr) = LIST;
ATTR(curr) = PARENT;
VALUE_PTR(curr) = curr + FRAMEBYTES;
top = LIST_CEIL_PTR(curr) = curr + FRAMEBYTES + FRAMEBYTES * gl.gl_pathc;
curr += FRAMEBYTES;
for (i = 0; i < gl.gl_pathc; ++i) {
size_t len = strlen(gl.gl_pathv[i]);
if (top + FRAMEBYTES + DALIGN(len) >= CEILvm) goto vm_ovf;
TAG(top) = (ARRAY|BYTETYPE);
ATTR(top) = PARENT;
VALUE_PTR(top) = top + FRAMEBYTES;
ARRAY_SIZE(top) = len;
moveframe(top, curr);
curr += FRAMEBYTES;
top += FRAMEBYTES;
moveB((B*) gl.gl_pathv[i], top, len);
top += DALIGN(len);
}
moveframe(FREEvm, o_1);
FREEvm = top;
goto exit;
vm_ovf:
retc = VM_OVF;
exit:
globfree(&gl);
return retc;
}
P op_makewindow(void)
{
#if X_DISPLAY_MISSING
return NO_XWINDOWS;
#else
static XClassHint classhint = {"d_machine", "d_machine"};
static XWMHints xwmhints = {InputHint, False};
static Atom atom[2];
static Atom opaque;
static L32 opaqueval = ~(L32) 0;
P retc;
W *pxy;
B *xyf, *freevm, nstr[31], icstr[13],
*pn[1] = { nstr }, *pic[1] = { icstr };
XSetWindowAttributes attr;
XTextProperty wname, icname;
if (dvtdisplay == NULL) return NO_XWINDOWS;
attr.event_mask = (ButtonPressMask | ExposureMask
| StructureNotifyMask);
attr.override_redirect = False;
if (o_3 < FLOORopds) return OPDS_UNF;
if (TAG(o_1) != (ARRAY | BYTETYPE)) return OPD_ERR;
if (ARRAY_SIZE(o_1) > 12) return RNG_CHK;
moveB((B *)VALUE_BASE(o_1),icstr,ARRAY_SIZE(o_1));
icstr[ARRAY_SIZE(o_1)] = '\000';
if (XStringListToTextProperty((char**) pic,1,&icname) == 0)
return X_ERR;
if (TAG(o_2) != (ARRAY | BYTETYPE)) return OPD_ERR;
if (ARRAY_SIZE(o_2) > 30) return RNG_CHK;
moveB((B *)VALUE_BASE(o_2),nstr,ARRAY_SIZE(o_2));
nstr[ARRAY_SIZE(o_2)] = '\000';
if (XStringListToTextProperty((char**)pn,1,&wname) == 0)
return X_ERR;
FREEopds = o_2;
freevm = FREEvm;
if ((retc = xy(&xyf,&freevm)) != OK) return retc;
pxy = (W *)VALUE_BASE(xyf);
if (ARRAY_SIZE(xyf) != 4) return RNG_CHK;
if (ndvtwindows >= MAXDVTWINDOWS) return RNG_CHK;
wid = HXCreateWindow(dvtdisplay, dvtrootwindow, pxy[0], pxy[1],
pxy[2], pxy[3], 0, CopyFromParent,
InputOutput, CopyFromParent,
CWEventMask, &attr);
HXSetWMProperties(dvtdisplay, wid,
&wname, &icname,
NULL, 0,
NULL, &xwmhints, &classhint);
atom[0] = HXInternAtom(dvtdisplay, "WM_DELETE_WINDOW", False);
atom[1] = HXInternAtom(dvtdisplay, "WM_TAKE_FOCUS", False);
HXSetWMProtocols(dvtdisplay, wid, atom, 2);
opaque = HXInternAtom(dvtdisplay, "_KDE_WM_WINDOW_OPACITY", False);
HXChangeProperty(dvtdisplay, wid, opaque, XA_CARDINAL, 32,
PropModeReplace, (unsigned char*) &opaqueval, 1);
dvtwindows[ndvtwindows++] = wid;
TAG(o1) = NUM | LONGBIGTYPE;
ATTR(o1) = 0;
LONGBIG_VAL(o1) = wid;
FREEopds = o2;
return OK;
#endif
}