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added a simple LinkedList

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This commit is contained in:
hyunghwan.chung 2017-03-04 05:48:23 +00:00
parent 90f46cc1fe
commit 1ebfe8d5e9
6 changed files with 281 additions and 80 deletions
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138
moo/kernel/Collect.moo
View File

@ -588,3 +588,141 @@ extend Apex
^Association new key: self value: object
}
}
## -------------------------------------------------------------------------------
class Link(Object)
{
dcl prev next value.
method(#class) new: value
{
| x |
x := self new.
x value: value.
^x
}
method prev { ^self.prev }
method next { ^self.next }
method value { ^self.value }
method prev: link { self.prev := link }
method next: link { self.next := link }
method value: value { self.value := value }
}
class LinkedList(Collection)
{
dcl first last tally.
method initialize
{
self.tally := 0.
}
method size
{
^self.tally
}
method first
{
^self.first
}
method last
{
^self.last
}
method insertLink: link at: pos
{
if (pos isNil)
{
(* add link at the back *)
if (self.tally == 0)
{
self.first := link.
self.last := link.
link prev: nil.
}
else
{
link prev: self.last.
self.last next: link.
self.last := link.
}.
link next: nil.
}
else
{
(* insert the link before pos *)
link next: pos.
link prev: pos prev.
if (pos prev notNil) { pos prev next: link }
else { self.first := link }.
pos prev: link
}.
self.tally := self.tally + 1.
^link
}
method insert: value at: pos
{
^self insertLink: (Link new: value) at: pos
}
method addFirst: value
{
^self insert: value at: self.first
}
method addLast: value
{
^self insert: value at: nil
}
method addFirstLink: link
{
^self insertLink: link at: self.first
}
method addLastLink: link
{
^self insertLink: link at: nil
}
method removeLink: link
{
if (link next notNil) { link next prev: link prev }
else { self.last := link prev }.
if (link prev notNil) { link prev next: link next }
else { self.first := link next }.
self.tally := self.tally - 1.
}
method removeFirst
{
^self removeLink: self.first
}
method removeLast
{
^self removeLink: self.last
}
method do: block
{
| link next |
link := self.first.
while (link notNil)
{
next := link next.
block value: link value.
link := next.
}
}
}

94
moo/kernel/Magnitu.moo
View File

@ -187,65 +187,105 @@ class Number(Magnitude)
self primitiveFailed.
}
method to: end by: step do: aBlock
method to: end by: step do: block
{
| i |
i := self.
(*
(step > 0)
ifTrue: [
[ i <= end ] whileTrue: [
aBlock value: i.
block value: i.
i := i + step.
].
]
ifFalse: [
[ i >= end ] whileTrue: [
aBlock value: i.
block value: i.
i := i - step.
].
].
}
method to: end do: aBlock
*)
if (step > 0)
{
^self to: end by: 1 do: aBlock.
while (i <= end)
{
block value: i.
i := i + step.
}
}
else
{
while ( i => end)
{
block value: i.
i := i - step.
}
}
}
method priorTo: end by: step do: aBlock
method to: end do: block
{
^self to: end by: 1 do: block.
}
method priorTo: end by: step do: block
{
| i |
i := self.
(*
(step > 0)
ifTrue: [
[ i < end ] whileTrue: [
aBlock value: i.
block value: i.
i := i + step.
].
]
ifFalse: [
[ i > end ] whileTrue: [
aBlock value: i.
block value: i.
i := i - step.
].
].
*)
if (step > 0)
{
while (i < end)
{
block value: i.
i := i + step.
}
}
else
{
while ( i > end)
{
block value: i.
i := i - step.
}
}
}
method priorTo: end do: aBlock
method priorTo: end do: block
{
^self priorTo: end by: 1 do: aBlock.
^self priorTo: end by: 1 do: block.
}
method abs
{
self < 0 ifTrue: [^self negated].
^self.
(*self < 0 ifTrue: [^self negated].
^self.*)
^if (self < 0) { self negated } else { self }
}
method sign
{
self < 0 ifTrue: [^-1].
(* self < 0 ifTrue: [^-1].
self > 0 ifTrue: [^1].
^0.
^0.*)
^if (self < 0) { -1 }
elsif (self > 0) { 1 }
else { 0 }
}
}
@ -281,26 +321,12 @@ class(#liword) LargeInteger(Integer)
class(#liword) LargePositiveInteger(LargeInteger)
{
method abs
{
^self.
}
method sign
{
^1.
}
method abs { ^self }
method sign { ^1 }
}
class(#liword) LargeNegativeInteger(LargeInteger)
{
method abs
{
^self negated.
}
method sign
{
^-1.
}
method abs { ^self negated }
method sign { ^-1 }
}

3
moo/lib/exec.c
View File

@ -3162,12 +3162,10 @@ static MOO_INLINE int switch_process_if_needed (moo_t* moo)
if (moo->sem_io_wait_count > 0)
{
MOO_DEBUG0 (moo, "ABOUT TO CALL VM_MUX_WAIT()\n");
vm_vm_muxwait (moo, &ft);
}
else
{
MOO_DEBUG0 (moo, "ABOUT TO CALL VM_MUX_SLEEP()\n");
vm_sleep (moo, &ft);
}
vm_gettime (moo, &now);
@ -3183,7 +3181,6 @@ MOO_DEBUG0 (moo, "ABOUT TO CALL VM_MUX_SLEEP()\n");
if (moo->sem_io_wait_count > 0)
{
MOO_DEBUG0 (moo, "ABOUT TO CALL VM_MUX_WAIT 222()\n");
vm_vm_muxwait (moo, MOO_NULL);
}

27
moo/lib/main.c
View File

@ -134,6 +134,7 @@ struct xtn_t
#if defined(USE_THREAD)
int p[2]; /* pipe for signaling */
pthread_t iothr;
int iothr_up;
int iothr_abort;
struct
{
@ -800,7 +801,8 @@ static int vm_startup (moo_t* moo)
pthread_cond_init (&xtn->ev.cnd2, MOO_NULL);
xtn->iothr_abort = 0;
pthread_create (&xtn->iothr, MOO_NULL, iothr_main, moo);
xtn->iothr_up = 0;
/*pthread_create (&xtn->iothr, MOO_NULL, iothr_main, moo);*/
#endif
return 0;
@ -837,9 +839,13 @@ static void vm_cleanup (moo_t* moo)
xtn_t* xtn = (xtn_t*)moo_getxtn(moo);
#if defined(USE_THREAD)
if (xtn->iothr_up)
{
write (xtn->p[1], "Q", 1);
pthread_cond_signal (&xtn->ev.cnd);
pthread_join (xtn->iothr, MOO_NULL);
xtn->iothr_up = 0;
}
pthread_cond_destroy (&xtn->ev.cnd);
pthread_cond_destroy (&xtn->ev.cnd2);
pthread_mutex_destroy (&xtn->ev.mtx);
@ -973,6 +979,18 @@ static void vm_muxwait (moo_t* moo, const moo_ntime_t* dur, moo_vmprim_muxwait_c
#if defined(USE_THREAD)
int n;
/* create a thread if mux wait is started at least once. */
if (!xtn->iothr_up)
{
xtn->iothr_up = 1;
if (pthread_create (&xtn->iothr, MOO_NULL, iothr_main, moo) != 0)
{
MOO_LOG2 (moo, MOO_LOG_WARN, "Warning: pthread_create failure - %d, %hs\n", errno, strerror(errno));
xtn->iothr_up = 0;
/* TODO: switch to the non-threaded mode? */
}
}
if (xtn->ev.len <= 0)
{
struct timespec ts;
@ -1016,6 +1034,7 @@ static void vm_muxwait (moo_t* moo, const moo_ntime_t* dur, moo_vmprim_muxwait_c
else if (muxwcb)
{
int mask = 0;
if (xtn->ev.buf[n].events & EPOLLIN) mask |= MOO_SEMAPHORE_IO_MASK_INPUT;
if (xtn->ev.buf[n].events & EPOLLOUT) mask |= MOO_SEMAPHORE_IO_MASK_OUTPUT;
if (xtn->ev.buf[n].events & EPOLLERR) mask |= MOO_SEMAPHORE_IO_MASK_ERROR;
@ -1049,6 +1068,9 @@ static void vm_muxwait (moo_t* moo, const moo_ntime_t* dur, moo_vmprim_muxwait_c
xtn->ev.len = n;
}
/* the muxwcb must be valid all the time in a non-threaded mode */
MOO_ASSERT (moo, muxwcb != MOO_NULL);
while (n > 0)
{
int mask;
@ -1124,7 +1146,8 @@ static void vm_sleep (moo_t* moo, const moo_ntime_t* dur)
#if defined(USE_THREAD)
/* the sleep callback is called only if there is no IO semaphore
* waiting. so i can safely use vm_muxwait when USE_THREAD is true */
* waiting. so i can safely call vm_muxwait() wihtout a muxwait callback
* when USE_THREAD is true */
vm_muxwait (moo, dur, MOO_NULL);
#else
struct timespec ts;

2
moo/lib/obj.c
View File

@ -225,7 +225,7 @@ static MOO_INLINE int decode_spec (moo_t* moo, moo_oop_class_t _class, moo_oow_t
if (vlen > 0)
{
MOO_DEBUG2 (moo, "Unamed instance variables for a fixed class %O - %zu\n", _class, vlen);
MOO_DEBUG2 (moo, "Unnamed instance variables for a fixed class %O - %zu\n", _class, vlen);
return -1;
}
/*vlen = 0;*/ /* vlen is not used */

87
moo/mod/x11.c
View File

@ -39,14 +39,14 @@ typedef struct x11_t x11_t;
struct x11_t
{
xcb_connection_t* c;
xcb_window_t w;
xcb_intern_atom_reply_t* dwcr; /* TODO: move this to each window */
xcb_screen_t* screen;
};
typedef struct x11_win_t x11_win_t;
struct x11_win_t
{
xcb_window_t w;
xcb_window_t id;
xcb_intern_atom_reply_t* dwcr;
};
/* ------------------------------------------------------------------------ */
@ -89,7 +89,9 @@ static moo_pfrc_t pf_connect (moo_t* moo, moo_ooi_t nargs)
goto softfail;
}
x11->screen = xcb_setup_roots_iterator(xcb_get_setup(c)).data;
x11->c = c;
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
@ -158,12 +160,17 @@ static moo_pfrc_t pf_getevent (moo_t* moo, moo_ooi_t nargs)
{
uint8_t evttype = evt->response_type & ~0x80;
if (evttype == XCB_CLIENT_MESSAGE &&
if (evttype == XCB_CLIENT_MESSAGE)
#if 0
&&
((xcb_client_message_event_t*)evt)->data.data32[0] == x11->dwcr->atom)
#endif
{
#if 0
xcb_unmap_window (x11->c, x11->w);
xcb_destroy_window (x11->c, x11->w);
xcb_flush (x11->c);
#endif
MOO_STACK_SETRET (moo, nargs, MOO_SMOOI_TO_OOP(9999)); /* TODO: translate evt to the event object */
}
else
@ -174,30 +181,33 @@ static moo_pfrc_t pf_getevent (moo_t* moo, moo_ooi_t nargs)
}
else
{
MOO_DEBUG0(moo, "BBBBBBBBBBBBbb GOT NO EVENT...\n");
MOO_STACK_SETRET (moo, nargs, moo->_nil);
}
return MOO_PF_SUCCESS;
}
static moo_pfrc_t pf_makewin (moo_t* moo, moo_ooi_t nargs)
/* ------------------------------------------------------------------------ */
static moo_pfrc_t pf_win_make_on (moo_t* moo, moo_ooi_t nargs)
{
x11_t* x11;
xcb_screen_t* screen;
x11_win_t* win;
uint32_t mask;
uint32_t values[2];
xcb_intern_atom_cookie_t cookie;
xcb_intern_atom_reply_t* reply;
x11 = (x11_t*)moo_getobjtrailer(moo, MOO_STACK_GETRCV(moo, nargs), MOO_NULL);
MOO_DEBUG1 (moo, "<x11.__makewin> %p\n", x11->c);
MOO_DEBUG0 (moo, "<x11.win._makeon:> %p\n");
screen = xcb_setup_roots_iterator(xcb_get_setup(x11->c)).data;
x11->w = xcb_generate_id (x11->c);
x11 = (x11_t*)moo_getobjtrailer(moo, MOO_STACK_GETARG(moo, nargs, 0), MOO_NULL);
win = (x11_win_t*)moo_getobjtrailer(moo, MOO_STACK_GETRCV(moo, nargs), MOO_NULL);
win->id = xcb_generate_id (x11->c);
mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
values[0] = screen->white_pixel;
values[0] = x11->screen->white_pixel;
values[1] = XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_EXPOSURE |
@ -208,43 +218,50 @@ static moo_pfrc_t pf_makewin (moo_t* moo, moo_ooi_t nargs)
xcb_create_window (
x11->c,
XCB_COPY_FROM_PARENT,
x11->w,
screen->root,
win->id,
x11->screen->root,
0, 0, 300, 300, 10,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
x11->screen->root_visual,
mask, values);
cookie = xcb_intern_atom(x11->c, 1, 12, "WM_PROTOCOLS");
reply = xcb_intern_atom_reply(x11->c, cookie, 0);
cookie = xcb_intern_atom(x11->c, 0, 16, "WM_DELETE_WINDOW");
x11->dwcr = xcb_intern_atom_reply(x11->c, cookie, 0);
win->dwcr = xcb_intern_atom_reply(x11->c, cookie, 0);
xcb_change_property(x11->c, XCB_PROP_MODE_REPLACE, x11->w, reply->atom, 4, 32, 1, &x11->dwcr->atom);
xcb_change_property(x11->c, XCB_PROP_MODE_REPLACE, win->id, reply->atom, 4, 32, 1, &win->dwcr->atom);
/*TODO: use xcb_request_check() for error handling. you need to call create_x11->wdwo_checked(). xxx_checked()... */
xcb_map_window (x11->c, x11->w);
xcb_map_window (x11->c, win->id);
xcb_flush (x11->c);
MOO_STACK_SETRET (moo, nargs, MOO_SMOOI_TO_OOP(x11->w)); /* TODO: write this function to return a window handle... */
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
}
/* ------------------------------------------------------------------------ */
static moo_pfrc_t pf_win_create (moo_t* moo, moo_ooi_t nargs)
static moo_pfrc_t pf_win_kill_on (moo_t* moo, moo_ooi_t nargs)
{
MOO_STACK_SETRET (moo, nargs, moo->_nil);
MOO_DEBUG0 (moo, "x11.window.create....\n");
x11_t* x11;
x11_win_t* win;
x11 = (x11_t*)moo_getobjtrailer(moo, MOO_STACK_GETARG(moo, nargs, 0), MOO_NULL);
win = (x11_win_t*)moo_getobjtrailer(moo, MOO_STACK_GETRCV(moo, nargs), MOO_NULL);
if (!x11->c)
{
MOO_STACK_SETRETTOERROR (moo, nargs); /* More specific error code*/
return MOO_PF_SUCCESS;
}
}
static moo_pfrc_t pf_win_destroy (moo_t* moo, moo_ooi_t nargs)
{
MOO_STACK_SETRET (moo, nargs, moo->_nil);
MOO_DEBUG0 (moo, "x11.window.destroy....\n");
/* TODO: check on windows id */
xcb_unmap_window (x11->c, win->id); /* TODO: check error code */
xcb_destroy_window (x11->c, win->id);
xcb_flush (x11->c);
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
}
@ -253,8 +270,7 @@ MOO_DEBUG0 (moo, "x11.window.destroy....\n");
static moo_pfinfo_t x11_pfinfo[] =
{
{ I, { '_','_','g','e','t','e','v','e','n','t','\0'}, 0, pf_getevent },
{ I, { '_','_','m','a','k','e','w','i','n','\0'}, 0, pf_makewin },
{ I, { '_','g','e','t','e','v','e','n','t','\0'}, 0, pf_getevent },
{ I, { 'c','o','n','n','e','c','t','\0' }, 0, pf_connect },
{ I, { 'd','i','s','c','o','n','n','e','c','t','\0' }, 0, pf_disconnect },
{ I, { 'g','e','t','f','d','\0' }, 0, pf_getfd }
@ -291,14 +307,15 @@ int moo_mod_x11 (moo_t* moo, moo_mod_t* mod)
static moo_pfinfo_t x11_win_pfinfo[] =
{
{ I, { 'c','r','e','a','t','e','\0' }, 0, pf_win_create },
{ I, { 'd','i','s','t','r','o','y','\0' }, 0, pf_win_destroy }
{ I, { '_','m','a','k','e','_','o','n',':','\0' }, 0, pf_win_make_on },
{ I, { '_','k','i','l','l','_','o','n',':','\0' }, 0, pf_win_kill_on }
};
static int x11_win_import (moo_t* moo, moo_mod_t* mod, moo_oop_class_t _class)
{
if (moo_setclasstrsize(moo, _class, MOO_SIZEOF(x11_win_t)) <= -1) return -1;
return moo_genpfmethods(moo, mod, _class, x11_win_pfinfo, MOO_COUNTOF(x11_win_pfinfo));
/*return moo_genpfmethods(moo, mod, _class, x11_win_pfinfo, MOO_COUNTOF(x11_win_pfinfo));*/
return 0;
}
static moo_pfimpl_t x11_win_query (moo_t* moo, moo_mod_t* mod, const moo_ooch_t* name)