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improved gcfin handling a bit

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attempted to use XLoadFontSet in the x11 plugin experimentally
This commit is contained in:
hyunghwan.chung 2017-07-27 08:32:16 +00:00
parent a46113abad
commit e65912ae72
11 changed files with 189 additions and 85 deletions
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2
moo/kernel/System.moo
View File

@ -36,7 +36,7 @@ class System(Apex)
gc := false.
fin_sem := Semaphore new.
Processor signalOnGCFin: fin_sem.
[
while (true)

1
moo/kernel/X11.moo
View File

@ -172,6 +172,7 @@ class X11.GC(Object)
fontName := nil.
var fontPtr := nil.
var fontSet := nil.
method(#class) new
{

4
moo/lib/comp.c
View File

@ -1945,7 +1945,9 @@ retry:
break;
}
MOO_DEBUG3 (moo, "TOKEN: [%.*js] %d\n", (moo_ooi_t)moo->c->tok.name.len, moo->c->tok.name.ptr, (int)moo->c->tok.type);
#if defined(MOO_DEBUG_LEXER)
MOO_DEBUG3 (moo, "TOKEN: [%.*js] %d\n", (moo_ooi_t)moo->c->tok.name.len, moo->c->tok.name.ptr, (int)moo->c->tok.type);
#endif
return 0;
}

73
moo/lib/exec.c
View File

@ -4537,11 +4537,12 @@ static MOO_INLINE int switch_process_if_needed (moo_t* moo)
* having the following line causes to skip firing the
* timed semaphore that would expire between now and the
* moment the next inspection occurs. */
if (moo->processor->active != moo->nil_process) goto finalization;
if (moo->processor->active != moo->nil_process) goto switch_to_next;
}
else
{
/* no running process, no io semaphore */
if (moo->sem_gcfin != moo->_nil && moo->sem_gcfin_sigreq) goto signal_sem_gcfin;
vm_sleep (moo, &ft);
}
vm_gettime (moo, &now);
@ -4576,11 +4577,14 @@ static MOO_INLINE int switch_process_if_needed (moo_t* moo)
}
}
if (moo->sem_gcfin_sigreq)
if ((moo_oop_t)moo->sem_gcfin != moo->_nil)
{
if ((moo_oop_t)moo->sem_gcfin != moo->_nil)
moo_oop_process_t proc;
if (moo->sem_gcfin_sigreq)
{
moo_oop_process_t proc;
signal_sem_gcfin:
MOO_LOG0 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Signalled GCFIN semaphore\n");
proc = signal_semaphore (moo, moo->sem_gcfin);
@ -4590,24 +4594,47 @@ static MOO_INLINE int switch_process_if_needed (moo_t* moo)
MOO_ASSERT (moo, proc == moo->processor->runnable.first);
switch_to_process_from_nil (moo, proc);
}
moo->sem_gcfin_sigreq = 0;
}
moo->sem_gcfin_sigreq = 0;
}
else
{
if ((moo_oop_t)moo->sem_gcfin != moo->_nil && moo->processor->active == moo->nil_process)
else
{
moo_oop_process_t proc;
proc = signal_semaphore (moo, moo->sem_gcfin);
if ((moo_oop_t)proc != moo->_nil)
/* the gcfin semaphore signalling is not requested and there are
* no runnable processes nor no waiting semaphores. if there is
* process waiting on the gcfin semaphore, i will just schedule
* it to run */
/* TODO: check if this is the best implementation practice */
if (moo->processor->active == moo->nil_process)
{
MOO_ASSERT (moo, proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE));
MOO_ASSERT (moo, proc == moo->processor->runnable.first);
switch_to_process_from_nil (moo, proc);
MOO_LOG0 (moo, MOO_LOG_IC | MOO_LOG_DEBUG, "Signalled GCFIN semaphore without gcfin signal request\n");
proc = signal_semaphore (moo, moo->sem_gcfin);
if ((moo_oop_t)proc != moo->_nil)
{
MOO_ASSERT (moo, proc->state == MOO_SMOOI_TO_OOP(PROC_STATE_RUNNABLE));
MOO_ASSERT (moo, proc == moo->processor->runnable.first);
switch_to_process_from_nil (moo, proc);
}
}
}
}
#if 0
while (moo->sem_list_count > 0)
{
/* handle async signals */
--moo->sem_list_count;
signal_semaphore (moo, moo->sem_list[moo->sem_list_count]);
if (moo->processor->active == moo->nil_process)
{
}
}
/*
if (semaphore heap has pending request)
{
signal them...
}*/
#endif
if (moo->processor->active == moo->nil_process)
{
/* no more waiting semaphore and no more process */
@ -4616,21 +4643,7 @@ static MOO_INLINE int switch_process_if_needed (moo_t* moo)
return 0;
}
finalization:
#if 0
while (moo->sem_list_count > 0)
{
/* handle async signals */
--moo->sem_list_count;
signal_semaphore (moo, moo->sem_list[moo->sem_list_count]);
}
#endif
/*
if (semaphore heap has pending request)
{
signal them...
}*/
switch_to_next:
/* TODO: implement different process switching scheme - time-slice or clock based??? */
#if defined(MOO_EXTERNAL_PROCESS_SWITCH)
if (!moo->proc_switched && moo->switch_proc) { switch_to_next_runnable_process (moo); }

21
moo/lib/gc.c
View File

@ -118,7 +118,7 @@ static kernel_class_info_t kernel_classes[] =
};
static void move_finalizable_objects (moo_t* moo);
static moo_oow_t move_finalizable_objects (moo_t* moo);
/* -----------------------------------------------------------------------
* BOOTSTRAPPER
@ -630,6 +630,7 @@ void moo_gc (moo_t* moo)
moo_oop_t old_nil;
moo_oow_t i;
moo_cb_t* cb;
moo_oow_t gcfin_count;
if (moo->active_context)
{
@ -712,10 +713,11 @@ void moo_gc (moo_t* moo)
/* scan the new heap to move referenced objects */
scan_ptr = scan_new_heap (moo, scan_ptr);
/* FINALIZATION */
move_finalizable_objects (moo);
/* check finalizable objects registered and scan the heap again.
* symbol table compation is placed after this phase assuming that
* no symbol is added to be finalized. */
gcfin_count = move_finalizable_objects (moo);
scan_ptr = scan_new_heap (moo, scan_ptr);
/* END FINALIZATION */
/* traverse the symbol table for unreferenced symbols.
* if the symbol has not moved to the new heap, the symbol
@ -760,8 +762,7 @@ void moo_gc (moo_t* moo)
*/
if (moo->active_method) SET_ACTIVE_METHOD_CODE (moo); /* update moo->active_code */
/*if (moo->sem_gcfin_count > 0) signal_semaphore (moo, moo->sem_gcfin);*/
if (moo->sem_gcfin_count > 0) moo->sem_gcfin_sigreq = 1;
if (gcfin_count > 0) moo->sem_gcfin_sigreq = 1;
/* TODO: include some gc statstics like number of live objects, gc performance, etc */
MOO_LOG4 (moo, MOO_LOG_GC | MOO_LOG_INFO,
@ -878,11 +879,11 @@ int moo_deregfinalizable (moo_t* moo, moo_oop_t oop)
return -1;
}
static void move_finalizable_objects (moo_t* moo)
static moo_oow_t move_finalizable_objects (moo_t* moo)
{
moo_finalizable_t* x, * y;
moo_oow_t count = 0;
moo->sem_gcfin_count = 0;
for (x = moo->collectable.first; x; x = x->next)
{
MOO_ASSERT (moo, (MOO_OBJ_GET_FLAGS_GCFIN(x->oop) & (MOO_GCFIN_FINALIZABLE | MOO_GCFIN_FINALIZED)) == MOO_GCFIN_FINALIZABLE);
@ -914,7 +915,7 @@ static void move_finalizable_objects (moo_t* moo)
/* add it to the collectable list */
MOO_APPEND_TO_LIST (&moo->collectable, x);
moo->sem_gcfin_count++;
count++;
}
else
{
@ -923,4 +924,6 @@ static void move_finalizable_objects (moo_t* moo)
x = y;
}
return count;
}

3
moo/lib/main.c
View File

@ -31,6 +31,7 @@
#include <string.h>
#include <limits.h>
#include <errno.h>
#include <locale.h>
#if !defined(__DOS__)
# define USE_THREAD
@ -1758,6 +1759,8 @@ int main (int argc, char* argv[])
}
#endif
setlocale (LC_ALL, "");
memset (&vmprim, 0, MOO_SIZEOF(vmprim));
vmprim.dl_open = dl_open;
vmprim.dl_close = dl_close;

1
moo/lib/moo-prv.h
View File

@ -47,6 +47,7 @@
#if !defined(NDEBUG)
/* this is for gc debugging */
#define MOO_DEBUG_GC
/*#define MOO_DEBUG_LEXER*/
#define MOO_DEBUG_COMPILER
/*#define MOO_DEBUG_VM_PROCESSOR*/
/*#define MOO_DEBUG_VM_EXEC*/

8
moo/lib/moo.c
View File

@ -386,9 +386,13 @@ void moo_freemem (moo_t* moo, void* ptr)
#if defined(MOO_ENABLE_STATIC_MODULE)
#include "../mod/console.h"
#include "../mod/_ffi.h"
#if defined(MOO_ENABLE_MOD_FFI)
# include "../mod/_ffi.h"
#endif
#include "../mod/_stdio.h"
#include "../mod/_x11.h"
#if defined(MOO_ENABLE_MOD_X11)
# include "../mod/_x11.h"
#endif
static struct
{

1
moo/lib/moo.h
View File

@ -1175,7 +1175,6 @@ struct moo_t
/* semaphore to notify finalizable objects */
moo_oop_semaphore_t sem_gcfin;
int sem_gcfin_sigreq;
moo_oow_t sem_gcfin_count;
moo_oop_t* tmp_stack[256]; /* stack for temporaries */
moo_oow_t tmp_count;

1
moo/mod/_x11.h
View File

@ -63,6 +63,7 @@ struct x11_gc_t
moo_oop_t font_name;
moo_oop_t font_ptr;
moo_oop_t font_set; /* XFontSet */
};
typedef struct x11_widget_t* oop_x11_widget_t;

159
moo/mod/x11.c
View File

@ -466,7 +466,6 @@ static moo_pfrc_t pf_destroy_gc (moo_t* moo, moo_ooi_t nargs)
Display* disp;
x11 = (oop_x11_t)MOO_STACK_GETRCV(moo, nargs);
gc = (oop_x11_gc_t)MOO_STACK_GETARG(moo, nargs, 0); /* GC object */
@ -477,6 +476,13 @@ static moo_pfrc_t pf_destroy_gc (moo_t* moo, moo_ooi_t nargs)
gc->font_ptr = moo->_nil;
}
if (MOO_OOP_IS_SMPTR(gc->font_set))
{
XFreeFontSet (disp, MOO_OOP_TO_SMPTR(gc->font_set));
gc->font_set = moo->_nil;
MOO_DEBUG0 (moo, "Freed Font Set\n");
}
if (MOO_OOP_IS_SMPTR(gc->gc_handle))
{
XFreeGC (disp, MOO_OOP_TO_SMPTR(gc->gc_handle));
@ -496,7 +502,6 @@ static moo_pfrc_t pf_apply_gc (moo_t* moo, moo_ooi_t nargs)
unsigned long int mask = 0;
XGCValues v;
x11 = (oop_x11_t)MOO_STACK_GETRCV(moo, nargs);
a0 = (oop_x11_gc_t)MOO_STACK_GETARG(moo, nargs, 0);
/* TODO check if a0 is an instance of X11.GC */
@ -513,30 +518,66 @@ static moo_pfrc_t pf_apply_gc (moo_t* moo, moo_ooi_t nargs)
if (MOO_OBJ_IS_CHAR_POINTER(a0->font_name) && MOO_OBJ_GET_SIZE(a0->font_name) > 0)
{
XFontStruct* font;
/* TODO: .... use font_name */
font = XLoadQueryFont (disp, "-misc-fixed-medium-r-normal-ko-18-120-100-100-c-180-iso10646-1");
if (font)
XFontSet fs;
char **missing_charsets;
int num_missing_charsets = 0;
char *default_string;
/* TODO: don't create this again and again */
/* TODO: use font name */
fs = XCreateFontSet (disp, "-adobe-*-medium-r-normal-*-14-*-*-*-*-*-*-*,-baekmuk-*-medium-r-normal-*-14-*-*-*-*-*-*-*,-*-*-medium-r-normal-*-*-*-*-*-*-*-*-*",
&missing_charsets, &num_missing_charsets, &default_string);
if (num_missing_charsets)
{
if (!MOO_IN_SMPTR_RANGE(font))
int i;
MOO_DEBUG0 (moo, "The following charsets are missing:\n");
for(i = 0; i < num_missing_charsets; i++)
MOO_DEBUG1 (moo, "\t%s\n", missing_charsets[i]);
MOO_DEBUG1 (moo, "The string %s will be used in place of any characters from those set\n", default_string);
XFreeStringList(missing_charsets);
}
if (fs)
{
/* TODO: error handling. rollback upon failure... etc */
MOO_ASSERT (moo, MOO_IN_SMPTR_RANGE(fs));
if (MOO_OOP_IS_SMPTR(a0->font_set))
{
MOO_DEBUG0 (moo, "<x11.apply_gc> Font pointer not in small pointer range\n");
XFreeFont (disp, font);
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_ERANGE);
return MOO_PF_SUCCESS;
}
else
{
XSetFont (disp, gc, font->fid);
if (MOO_OOP_IS_SMPTR(a0->font_ptr)) XFreeFont (disp, MOO_OOP_TO_SMPTR(a0->font_ptr));
a0->font_ptr = MOO_SMPTR_TO_OOP(font);
MOO_DEBUG0 (moo, "Freed Font Set ..\n");
XFreeFontSet (disp, MOO_OOP_TO_SMPTR(a0->font_set));
}
a0->font_set = MOO_SMPTR_TO_OOP (fs);
MOO_DEBUG0 (moo, "XCreateFontSet ok....\n");
}
else
{
MOO_DEBUG2 (moo, "<x11.apply_gc> Cannot load font - %.*js\n", MOO_OBJ_GET_SIZE(a0->font_name), MOO_OBJ_GET_CHAR_SLOT(a0->font_name));
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_ESYSERR);
return MOO_PF_SUCCESS;
XFontStruct* font;
/* TODO: .... use font_name */
font = XLoadQueryFont (disp, "-misc-fixed-medium-r-normal-ko-18-120-100-100-c-180-iso10646-1");
if (font)
{
if (!MOO_IN_SMPTR_RANGE(font))
{
MOO_DEBUG0 (moo, "<x11.apply_gc> Font pointer not in small pointer range\n");
XFreeFont (disp, font);
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_ERANGE);
return MOO_PF_SUCCESS;
}
else
{
XSetFont (disp, gc, font->fid);
if (MOO_OOP_IS_SMPTR(a0->font_ptr)) XFreeFont (disp, MOO_OOP_TO_SMPTR(a0->font_ptr));
a0->font_ptr = MOO_SMPTR_TO_OOP(font);
}
}
else
{
MOO_DEBUG2 (moo, "<x11.apply_gc> Cannot load font - %.*js\n", MOO_OBJ_GET_SIZE(a0->font_name), MOO_OBJ_GET_CHAR_SLOT(a0->font_name));
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_ESYSERR);
return MOO_PF_SUCCESS;
}
}
}
@ -638,15 +679,11 @@ static moo_pfrc_t pf_fill_rectangle (moo_t* moo, moo_ooi_t nargs)
static moo_pfrc_t pf_draw_string (moo_t* moo, moo_ooi_t nargs)
{
oop_x11_t x11;
oop_x11_gc_t gc;
moo_oop_t a1, a2, a3;
Display* disp;
XChar2b* stptr;
moo_oow_t stlen;
int ascent = 0;
x11 = (oop_x11_t)MOO_STACK_GETRCV(moo, nargs);
disp = MOO_OOP_TO_SMPTR(x11->display);
@ -666,26 +703,66 @@ static moo_pfrc_t pf_draw_string (moo_t* moo, moo_ooi_t nargs)
return MOO_PF_SUCCESS;
}
/* TODO: draw string chunk by chunk to avoid memory allocation in uchars_to_xchars2bstr */
stptr = uchars_to_xchar2bstr (moo, MOO_OBJ_GET_CHAR_SLOT(a3), MOO_OBJ_GET_SIZE(a3), &stlen);
if (!stptr)
if (MOO_OOP_IS_SMPTR(gc->font_set))
{
MOO_DEBUG0 (moo, "<x11.draw_string> Error in converting a string\n");
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
moo_oow_t ucslen, bcslen;
moo_bch_t* bb;
int ascent = 10;
XRectangle r;
ucslen = MOO_OBJ_GET_SIZE(a3);
if (moo_convootobchars (moo, MOO_OBJ_GET_CHAR_SLOT(a3), &ucslen, MOO_NULL, &bcslen) <= -1 ||
!(bb = moo_allocmem (moo, MOO_SIZEOF(moo_bch_t) * bcslen)))
{
MOO_DEBUG0 (moo, "<x11.draw_string> Error in converting a string\n");
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
//#if defined(MOO_OOCH_IS_UCH)
moo_convootobchars (moo, MOO_OBJ_GET_CHAR_SLOT(a3), &ucslen, bb, &bcslen);
//#else
// moo_copybcstr (&bb->fn[parlen], bcslen + 1, arg->name);
//#endif
XmbTextExtents(MOO_OOP_TO_SMPTR(gc->font_set), bb, bcslen, MOO_NULL, &r);
ascent = r.height;
XmbDrawString (disp, (Window)MOO_OOP_TO_SMOOI(((oop_x11_widget_t)gc->widget)->window_handle),
MOO_OOP_TO_SMPTR(gc->font_set), MOO_OOP_TO_SMPTR(gc->gc_handle),
MOO_OOP_TO_SMOOI(a1), MOO_OOP_TO_SMOOI(a2) + ascent, bb, bcslen);
moo_freemem (moo, bb);
}
else
{
XChar2b* stptr;
moo_oow_t stlen;
int ascent = 0;
/* TODO: draw string chunk by chunk to avoid memory allocation in uchars_to_xchars2bstr */
stptr = uchars_to_xchar2bstr (moo, MOO_OBJ_GET_CHAR_SLOT(a3), MOO_OBJ_GET_SIZE(a3), &stlen);
if (!stptr)
{
MOO_DEBUG0 (moo, "<x11.draw_string> Error in converting a string\n");
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
if (MOO_OOP_IS_SMPTR(gc->font_ptr))
{
int direction, descent;
XCharStruct overall;
XTextExtents16 (MOO_OOP_TO_SMPTR(gc->font_ptr), stptr, stlen, &direction, &ascent, &descent, &overall);
}
XDrawString16 (disp, (Window)MOO_OOP_TO_SMOOI(((oop_x11_widget_t)gc->widget)->window_handle), MOO_OOP_TO_SMPTR(gc->gc_handle),
MOO_OOP_TO_SMOOI(a1), MOO_OOP_TO_SMOOI(a2) + ascent, stptr, stlen);
moo_freemem (moo, stptr);
}
if (MOO_OOP_IS_SMPTR(gc->font_ptr))
{
int direction, descent;
XCharStruct overall;
XTextExtents16 (MOO_OOP_TO_SMPTR(gc->font_ptr), stptr, stlen, &direction, &ascent, &descent, &overall);
}
XDrawString16 (disp, (Window)MOO_OOP_TO_SMOOI(((oop_x11_widget_t)gc->widget)->window_handle), MOO_OOP_TO_SMPTR(gc->gc_handle),
MOO_OOP_TO_SMOOI(a1), MOO_OOP_TO_SMOOI(a2) + ascent, stptr, stlen);
moo_freemem (moo, stptr);
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
}