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1300 lines (1140 loc) · 33.5 KB
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Copy pathcode.lua
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1300 lines (1140 loc) · 33.5 KB
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_CODE = {
has_goto = false, -- avoids "unused label"
threads = '',
functions = '',
stubs = '', -- maps input functions to ceu_app_call switch cases
native = '',
}
-- Assert that all input functions have bodies.
local INPUT_FUNCTIONS = {
-- F1 = false, -- input function w/o body
-- F2 = true, -- input functino w/ body
}
function CONC_ALL (me, t)
t = t or me
for _, sub in ipairs(t) do
if _AST.isNode(sub) then
CONC(me, sub)
end
end
end
function CONC (me, sub, tab)
sub = sub or me[1]
tab = string.rep(' ', tab or 0)
me.code = me.code .. string.gsub(sub.code, '(.-)\n', tab..'%1\n')
end
function ATTR (me, n1, n2)
LINE(me, V(n1)..' = '..V(n2)..';')
end
function CASE (me, lbl)
LINE(me, 'case '..lbl.id..':;', 0)
end
function DEBUG_TRAILS (me, lbl)
LINE(me, [[
#ifdef CEU_DEBUG_TRAILS
#ifndef CEU_OS
fprintf(stderr, "\tOK!\n");
#endif
#endif
]])
end
function LINE (me, line, spc)
spc = spc or 4
spc = string.rep(' ', spc)
me.code = me.code .. [[
#line ]]..me.ln[2]..' "'..me.ln[1]..[["
]] .. spc..line
end
function HALT (me, ret, cond)
if cond then
LINE(me, 'if ('..cond..') {')
end
--LINE(me, '\tgoto _CEU_NEXT_;')
if ret then
LINE(me, '\treturn '..ret..';')
else
LINE(me, '\treturn RET_HALT;')
end
if cond then
LINE(me, '}')
end
end
function GOTO (me, lbl, org)
_CODE.has_goto = true
if org then
LINE(me, [[
_ceu_go->org = ]]..org..[[;
]])
end
LINE(me, [[
_ceu_go->lbl = ]]..lbl.id..[[;
goto _CEU_GOTO_;
/*return RET_GOTO;*/
]])
end
function AWAIT_PAUSE (me, no)
if not _PROPS.has_pses then
return
end
for pse in _AST.iter'Pause' do
COMM(me, 'PAUSE: '..pse.dcl.var.id)
LINE(me, [[
if (]]..V(pse.dcl.var)..[[) {
]])
if me.tag == 'AwaitInt' then
LINE(me, [[
_ceu_go->trl->seqno = _ceu_app->seqno-1; /* awake again */
]])
end
LINE(me, [[
goto ]]..no..[[;
}
]])
end
end
function COMM (me, comm)
LINE(me, '/* '..comm..' */', 0)
end
local _iter = function (n)
if n.tag == 'Block' and n.needs_clr then
return true
end
if n.tag == 'SetBlock' and n.needs_clr then
return true
end
if n.tag == 'Loop' and n.needs_clr then
return true
end
n = n.__par
if n and (n.tag == 'ParOr') then
return true -- par branch
end
end
function CLEAR (me)
COMM(me, 'CLEAR: '..me.tag..' ('..me.ln[2]..')')
if not me.needs_clr then
return
end
-- TODO: put it back!
--[[
-- check if top will clear during same reaction
if (not me.needs_clr_fin) and _ANA then -- fin must execute before any stmt
local top = _AST.iter(_iter)()
if top and _ANA.CMP(top.ana.pos, me.ana.pos) then
return -- top will clear
end
end
]]
--LINE(me, 'ceu_trails_clr('..me.trails[1]..','..me.trails[2]..
--', _ceu_go->org);')
LINE(me, [[
/* trails[1] points to ORG blk */
{
tceu_trl* trl = &_ceu_go->org->trls[ ]]..me.trails[1]..[[ ];
trl->evt = CEU_IN__STK;
trl->stk = _ceu_go->stki;
trl->lbl = ]]..me.lbl_clr.id..[[;
}
_ceu_go->stk[_ceu_go->stki ].evtp = _ceu_go->evtp;
#ifdef CEU_INTS
#ifdef CEU_ORGS
_ceu_go->stk[_ceu_go->stki ].evto = _ceu_go->evto;
#endif
#endif
_ceu_go->stk[_ceu_go->stki++].evt = _ceu_go->evt;
/* [ trails[1]+1, trails[2] [ */
_ceu_go->trl = &_ceu_go->org->trls[ ]]..(me.trails[1]+1)..[[ ];
/* trails[1]+1 is in */
_ceu_go->stop = &_ceu_go->org->trls[ ]]..(me.trails[2]+1)..[[ ];
/* trails[2]+1 is out */
_ceu_go->evt = CEU_IN__CLEAR;
/*goto _CEU_CALL_TRL_;*/
return RET_TRL;
case ]]..me.lbl_clr.id..[[:;
]])
end
F = {
Node_pre = function (me)
me.code = ''
end,
Host = function (me)
-- unescape `##´ => `#´
local src = string.gsub(me[1], '^%s*##', '#')
src = string.gsub(src, '\n%s*##', '\n#')
_CODE.native = _CODE.native .. [[
#line ]]..me.ln[2]..' "'..me.ln[1]..[["
]] .. src
end,
Do = CONC_ALL,
Finally = CONC_ALL,
Dcl_constr = CONC_ALL,
Stmts = function (me)
LINE(me, '{') -- allows C declarations for New/Spawn
CONC_ALL(me)
LINE(me, '}')
end,
Root = function (me)
for _, cls in ipairs(_ENV.clss_cls) do
CONC(me, cls)
end
-- functions and threads receive __ceu_org as parameter
-- and do not require _ceu_go
_CODE.functions = string.gsub(_CODE.functions, '_ceu_go%-%>org', '__ceu_org')
_CODE.threads = string.gsub(_CODE.threads, '_ceu_go%-%>org', '__ceu_org')
-- assert that all input functions have bodies
for evt, v in pairs(INPUT_FUNCTIONS) do
ASR(v, evt.ln, 'missing body')
end
end,
BlockI = CONC_ALL,
BlockI_pos = function (me)
-- Interface constants are initialized from outside
-- (another _ceu_go_org), need to use __ceu_org instead.
me.code_ifc = string.gsub(me.code, '_ceu_go%-%>org', '__ceu_org')
me.code = ''
end,
Dcl_fun = function (me)
local _, _, ins, out, id, blk = unpack(me)
if blk then
if me.var.fun.isExt then
_CODE.functions = _CODE.functions ..
'#define ceu_in_call_'..id..' '..me.id..'\n'
local ps = {}
if #ins > 1 then
for i, _ in ipairs(ins) do
ps[#ps+1] = ', (('..ins.tp..'*)param.ptr)->_'..i
end
elseif #ins == 1 then
local _,tp,_ = unpack(ins[1])
if tp == 'int' then
ps[#ps+1] = ', param.v'
else
ps[#ps+1] = ', param.ptr'
end
else
-- no parameters
end
ps = table.concat(ps)
local ret_value, ret_void
if out == 'void' then
ret_value = ''
ret_void = 'return (tceu_evtp)NULL;'
else
ret_value = 'return (tceu_evtp)'
ret_void = ''
end
_CODE.stubs = _CODE.stubs .. [[
case CEU_IN_]]..id..[[:
#line ]]..me.ln[2]..' "'..me.ln[1]..[["
]]..ret_value..me.id..'(_ceu_app, _ceu_app->data'..ps..[[);
]]..ret_void
end
_CODE.functions = _CODE.functions ..
me.proto..'{'..blk.code..'}'..'\n'
end
-- assert that all input functions have bodies
local evt = _ENV.exts[id]
if me.var.fun.isExt and evt and evt.pre=='input' then
INPUT_FUNCTIONS[evt] = INPUT_FUNCTIONS[evt] or blk or false
end
end,
Return = function (me)
local exp = unpack(me)
LINE(me, 'return '..(exp and V(exp) or '')..';')
end,
Dcl_cls = function (me)
if me.is_ifc then
CONC_ALL(me)
return
end
CASE(me, me.lbl)
-- TODO: move to _ORG? (_MAIN does not call _ORG)
LINE(me, [[
#ifdef CEU_IFCS
_ceu_go->org->cls = ]]..me.n..[[;
#endif
]])
CONC_ALL(me)
-- TODO(rom): avoid clss w/o new
--if i_am_instantiable then
LINE(me, [[
#ifdef CEU_NEWS
if (_ceu_go->org->isSpw) {
]])
F.Free(me)
LINE(me, [[
}
#endif
]])
--end
if not (_ANA and me.ana.pos[false]) then
if me == _MAIN then
HALT(me, 'RET_END')
else
HALT(me)
end
end
end,
-- TODO: C function?
_ORG = function (me, t)
COMM(me, 'start org: '..t.id)
--[[
class T with
<PRE> -- 1 org: me.lbls_pre[i].id
var int v = 0;
do
<BODY> -- 3 org: me.lbls_body[i].id
end
<...> -- 0 par:
var T t with
<CONSTR> -- 2 org: no lbl (cannot call anything)
end;
<CONT> -- 4 par: me.lbls_cnt[i].id
]]
-- TODO: split in two loops:
-- In C: init, pre, constr
-- In Lua: body
-- each org has its own trail on enclosing block
for i=1, (t.arr and t.arr.sval or 1) do
local org = t.arr and
'((tceu_org*) '..t.val..'['..(i-1)..']'..')'
or
'((tceu_org*) '..t.val..')'
LINE(me, [[
/* resets org memory and starts org.trail[0]=Class_XXX */
ceu_out_org_init(_ceu_app, ]]..org..[[, ]]
..t.cls.trails_n..','
..t.cls.lbl.id..[[,
_ceu_go->stki+1, /* run now */
_ceu_go->org, ]]..t.par_trl_idx..[[);
#ifdef CEU_NEWS
]]..org..[[->isDyn = ]]..t.isDyn..[[;
]]..org..[[->isSpw = ]]..t.isSpw..[[;
#endif
]])
-- PRE & CONSTR
LINE(me, [[
{
tceu_org* __ceu_org = ]]..org..[[;
]])
if t.cls.has_pre then
LINE(me, t.cls.blk_ifc[1][1].code_ifc) -- Block->Stmts->BlockI
end
if t.constr then
CONC(me, t.constr) -- constructor before executing
end
LINE(me, [[
}
]])
-- BODY
LINE(me, [[
/* hold current blk trail: set to my continuation */
_ceu_go->trl->evt = CEU_IN__STK;
_ceu_go->trl->lbl = ]]..me.lbls_cnt[i].id..[[;
_ceu_go->trl->stk = _ceu_go->stki;
_ceu_go->stk[_ceu_go->stki ].evtp = _ceu_go->evtp;
#ifdef CEU_INTS
#ifdef CEU_ORGS
_ceu_go->stk[_ceu_go->stki ].evto = _ceu_go->evto;
#endif
#endif
_ceu_go->stk[_ceu_go->stki++].evt = _ceu_go->evt;
/* switch to ORG */
]]..org..[[->trls[0].evt = CEU_IN__STK;
]]..org..[[->trls[0].lbl = ]]..t.cls.lbl.id..[[;
]]..org..[[->trls[0].stk = _ceu_go->stki;
_ceu_go->org = ]]..org..[[;
_ceu_go->stop = &_ceu_go->org->trls[_ceu_go->org->n]; /* don't follow the up link */
/*goto _CEU_CALL_ORG_;*/
return RET_ORG;
case ]]..me.lbls_cnt[i].id..[[:;
]])
end
end,
Dcl_var = function (me)
local _,_,_,_,constr = unpack(me)
local var = me.var
if not var.cls then
return
end
F._ORG(me, {
id = var.id,
isDyn = 0,
isSpw = 0,
cls = var.cls,
val = '&'..var.val,
constr = constr,
arr = var.arr,
par_trl_idx = var.blk.trl_orgs[1],
})
end,
Spawn = 'New',
New = function (me)
local _, id, constr, set = unpack(me)
local pool = me.pool and CUR(me,me.pool) or me.cls.pool
LINE(me, [[
{
tceu_org* __ceu_new;
]])
if pool then
LINE(me, [[
__ceu_new = (tceu_org*) ceu_pool_alloc(&]]..pool..[[);
]])
else
LINE(me, [[
__ceu_new = (tceu_org*) ceu_out_malloc(_ceu_app, sizeof(]].._TP.c(id)..[[));
]])
end
if set then
CONC(me, set) -- <ptr=new T>, <ok=Spawn T>
end
LINE(me, [[
if (__ceu_new != NULL) {
]])
if pool then
LINE(me, '__ceu_new->pool = &'..pool..';')
elseif _PROPS.has_news_pool then
LINE(me, '__ceu_new->pool = NULL;')
end
F._ORG(me, {
id = 'dyn',
isDyn = 1,
isSpw = (me.tag=='New' and 0) or 1,
cls = me.cls,
val = '__ceu_new',
constr = constr,
arr = false,
par_trl_idx = me.blk.trl_orgs[1],
})
LINE(me, [[
}
}
]])
end,
Free = function (me)
local exp = unpack(me)
local cls, val
if me.tag == 'Free' then
cls = me.cls
val = V(exp)
else -- Dcl_cls
cls = me
val = '_ceu_go->org'
end
local lbls = table.concat(cls.lbls,',')
LINE(me, [[
{
tceu_org* __ceu_tofree = (tceu_org*) ]]..val..[[;
if (__ceu_tofree != NULL)
{
/* TODO: assert isDyn */
]])
if me.tag == 'Free' then
-- only if freeing someone else
LINE(me, [[
/* save my continuation */
_ceu_go->trl->evt = CEU_IN__STK;
_ceu_go->trl->stk = _ceu_go->stki;
_ceu_go->trl->lbl = ]]..me.lbl_clr.id..[[;
]])
end
LINE(me, [[
/* clear all __ceu_tofree [ trls[0], ... [ */
/* this will call free() */
_ceu_go->stop = __ceu_tofree;
_ceu_go->trl = &__ceu_tofree->trls[0];
]])
if me.tag == 'Free' then -- (or __ceu_tofree is already me)
LINE(me, [[
_ceu_go->org = __ceu_tofree;
]])
end
LINE(me, [[
_ceu_go->stk[_ceu_go->stki ].evtp = _ceu_go->evtp;
#ifdef CEU_INTS
#ifdef CEU_ORGS
_ceu_go->stk[_ceu_go->stki ].evto = _ceu_go->evto;
#endif
#endif
_ceu_go->stk[_ceu_go->stki++].evt = _ceu_go->evt;
_ceu_go->evt = CEU_IN__CLEAR;
/*goto _CEU_CALL_TRL_;*/
return RET_TRL;
}
}
case ]]..me.lbl_clr.id..[[:;
]])
end,
Block_pre = function (me)
local cls = CLS()
if cls.is_ifc then
return
end
if me.trl_orgs then
LINE(me, [[
_ceu_go->org->trls[ ]]..me.trl_orgs[1]..[[ ].evt = CEU_IN__ORG;
_ceu_go->org->trls[ ]]..me.trl_orgs[1]..[[ ].lnks =
(tceu_org_lnk*) &]]..me.trl_orgs.val..[[;
]]..me.trl_orgs.val..'[0].nxt = (tceu_org*) &'..me.trl_orgs.val..'[1]'..[[;
]]..me.trl_orgs.val..'[1].prv = (tceu_org*) &'..me.trl_orgs.val..'[0]'..[[;
]]..me.trl_orgs.val..'[1].nxt = '..[[_ceu_go->org;
]]..me.trl_orgs.val..'[1].n = '..[[0;
]]..me.trl_orgs.val..'[1].lnk = '..me.trl_orgs[1]..[[+1;
]])
end
if me.fins then
LINE(me, [[
/* FINALIZE */
_ceu_go->org->trls[ ]]..me.trl_fins[1]..[[ ].evt = CEU_IN__CLEAR;
_ceu_go->org->trls[ ]]..me.trl_fins[1]..[[ ].lbl = ]]..me.lbl_fin.id..[[;
_ceu_go->org->trls[ ]]..me.trl_fins[1]..[[ ].seqno = _ceu_app->seqno-1; /* awake now */
]])
for _, fin in ipairs(me.fins) do
LINE(me, fin.val..' = 0;')
end
end
-- initialize pools for new/spawn
if me.pools then
for node, n in pairs(me.pools) do
local pre = CUR(me,node.pool)
LINE(me, [[
ceu_pool_init(&]]..pre..', '..n..', sizeof(CEU_'..node.cls.id..'), '
..'(char**)'..pre..'_queue, (char*)'..pre..[[_mem);
]])
end
end
-- declare tmps
LINE(me, '{') -- close in Block_pos
for _, var in ipairs(me.vars) do
if var.isTmp then
if var.arr then
LINE(me, _TP.c(_TP.deref(var.tp))
..' '..V(var)..'['..V(var.arr)..']')
else
LINE(me, _TP.c(var.tp)..' '..V(var))
end
if var.isFun then
-- __ceu_a = a
LINE(me, ' = '..var.id)
end
LINE(me, ';')
end
end
end,
Block_pos = function (me)
local stmts = unpack(me)
if CLS().is_ifc then
return
end
-- TODO: try to remove this need
if me.trails[1] ~= stmts.trails[1] then
LINE(me, [[
/* switch to blk trail */
_ceu_go->trl = &_ceu_go->org->trls[ ]]..stmts.trails[1]..[[ ];
]])
end
CONC(me, blk)
if me.fins then
GOTO(me, me.lbl_fin_cnt)
CASE(me, me.lbl_fin)
for i, fin in ipairs(me.fins) do
LINE(me, [[
if (]]..fin.val..[[) {
]] .. fin.code .. [[
}
]])
end
HALT(me)
CASE(me, me.lbl_fin_cnt)
end
CLEAR(me)
LINE(me, '}') -- open in Block_pre
-- TODO: remove!
if not (_ANA and me.ana.pos[false]) then
LINE(me, [[
/* switch to 1st trail */
/* TODO: only if not joining with outer prio */
/*_ceu_go->trl = &_ceu_go->org->trls[ ]]..me.trails[1]..[[ ]; */
]])
end
end,
Pause = CONC_ALL,
-- TODO: meaningful name
PauseX = function (me)
local psed = unpack(me)
LINE(me, [[
ceu_pause(&_ceu_go->org->trls[ ]]..me.blk.trails[1]..[[ ],
&_ceu_go->org->trls[ ]]..me.blk.trails[2]..[[ ],
]]..psed..[[);
]])
end,
-- TODO: more tests
Op2_call_pre = function (me)
local _, f, exps, fin = unpack(me)
if fin and fin.active then
LINE(_AST.iter'Stmts'(), fin.val..' = 1; /* XXX */')
end
end,
Finalize = function (me)
-- enable finalize
local set,fin = unpack(me)
if fin.active then
LINE(me, fin.val..' = 1;')
end
if set then
CONC(me, set)
end
end,
SetExp = function (me)
local _, fr, to, fin = unpack(me)
COMM(me, 'SET: '..tostring(to[1])) -- Var or C
ATTR(me, to, fr)
if to.tag=='Var' and to.var.id=='_ret' then
LINE(me, [[
#ifdef CEU_RET
_ceu_app->ret = ]]..V(to)..[[;
#endif
]])
end
-- enable finalize
if fin and fin.active then
LINE(me, fin.val..' = 1;')
end
end,
SetBlock_pos = function (me)
local blk,_ = unpack(me)
CONC(me, blk)
HALT(me) -- must escape with `escape´
CASE(me, me.lbl_out)
if me.has_escape then
CLEAR(me)
LINE(me, [[
/* switch to 1st trail */
/* TODO: only if not joining with outer prio */
_ceu_go->trl = &_ceu_go->org->trls[ ]] ..me.trails[1]..[[ ];
]])
end
end,
Escape = function (me)
GOTO(me, _AST.iter'SetBlock'().lbl_out)
end,
_Par = function (me)
-- Ever/Or/And spawn subs
COMM(me, me.tag..': spawn subs')
for i, sub in ipairs(me) do
if i > 1 then
LINE(me, [[
{
tceu_trl* trl = &_ceu_go->org->trls[ ]]..sub.trails[1]..[[ ];
trl->evt = CEU_IN__STK;
trl->lbl = ]]..me.lbls_in[i].id..[[;
trl->stk = _ceu_go->stki;
}
]])
end
end
end,
ParEver = function (me)
F._Par(me)
for i, sub in ipairs(me) do
if i > 1 then
CASE(me, me.lbls_in[i])
end
CONC(me, sub)
-- only if trail terminates
if not sub.ana.pos[false] then
HALT(me)
end
end
end,
ParOr_pos = function (me)
F._Par(me)
for i, sub in ipairs(me) do
if i > 1 then
CASE(me, me.lbls_in[i])
end
CONC(me, sub)
if not (_ANA and sub.ana.pos[false]) then
COMM(me, 'PAROR JOIN')
GOTO(me, me.lbl_out)
end
end
if not (_ANA and me.ana.pos[false]) then
CASE(me, me.lbl_out)
CLEAR(me)
LINE(me, [[
/* switch to 1st trail */
/* TODO: only if not joining with outer prio */
_ceu_go->trl = &_ceu_go->org->trls[ ]]..me.trails[1]..[[ ];
]])
end
end,
ParAnd = function (me)
-- close AND gates
COMM(me, 'close ParAnd gates')
for i=1, #me do
LINE(me, V(me)..'_'..i..' = 0;')
end
F._Par(me)
for i, sub in ipairs(me) do
if i > 1 then
CASE(me, me.lbls_in[i])
end
CONC(me, sub)
LINE(me, V(me)..'_'..i..' = 1;')
GOTO(me, me.lbl_tst)
end
-- AFTER code :: test gates
CASE(me, me.lbl_tst)
for i, sub in ipairs(me) do
HALT(me, nil, '!'..V(me)..'_'..i)
end
LINE(me, [[
/* switch to 1st trail */
/* TODO: only if not joining with outer prio */
_ceu_go->trl = &_ceu_go->org->trls[ ]]..me.trails[1]..[[ ];
]])
end,
If = function (me)
local c, t, f = unpack(me)
-- TODO: If cond assert(c==ptr or int)
LINE(me, [[
if (]]..V(c)..[[) {
]] ..t.code..[[
} else {
]] ..f.code..[[
}
]])
end,
Loop_pos = function (me)
local body = unpack(me)
LINE(me, [[
for (;;) {
]])
CONC(me)
local async = _AST.iter'Async'()
if async then
LINE(me, [[
#ifdef ceu_out_pending
if (ceu_out_pending()) {
#else
{
#endif
_ceu_go->trl->evt = CEU_IN__ASYNC;
_ceu_go->trl->lbl = ]]..me.lbl_asy.id..[[;
]])
HALT(me, 'RET_ASYNC')
LINE(me, [[
}
case ]]..me.lbl_asy.id..[[:;
]])
end
LINE(me, [[
}
]])
if me.has_break and ( not (_AST.iter(_AST.pred_async)()
or _AST.iter'Dcl_fun'()) )
then
CLEAR(me)
LINE(me, [[
/* switch to 1st trail */
/* TODO: only if not joining with outer prio */
_ceu_go->trl = &_ceu_go->org->trls[ ]]..me.trails[1]..[[ ];
]])
end
end,
Break = function (me)
LINE(me, 'break;')
end,
CallStmt = function (me)
local call = unpack(me)
LINE(me, V(call)..';')
end,
EmitExt = function (me)
local op, ext, param = unpack(me)
local evt = ext.evt
if evt.pre~='input' or op~='emit' then
if not me.__ast_set then
LINE(me, V(me)..';') -- already on <v = emit E>
end
return
end
-- emit INPUT
-- only async's need to split in two (to avoid stack growth)
if _AST.iter'Async'() then
LINE(me, [[
_ceu_go->trl->evt = CEU_IN__ASYNC;
_ceu_go->trl->lbl = ]]..me.lbl_cnt.id..[[;
]])
end
if _AST.iter'Thread'() then
-- HACK_2: never terminates
error'not supported'
else
LINE(me, V(me)..[[;
#if defined(CEU_RET) || defined(CEU_OS)
if (! _ceu_app->isAlive)
return RET_END;
#endif
]])
end
if _AST.iter'Async'() then
HALT(me, 'RET_ASYNC')
LINE(me, [[
case ]]..me.lbl_cnt.id..[[:;
]])
end
end,
EmitT = function (me)
local exp = unpack(me)
-- only async's need to split in two (to avoid stack growth)
if _AST.iter'Async'() then
LINE(me, [[
_ceu_go->trl->evt = CEU_IN__ASYNC;
_ceu_go->trl->lbl = ]]..me.lbl_cnt.id..[[;
]])
end
local emit = [[
{
ceu_out_go(_ceu_app, CEU_IN__WCLOCK, (tceu_evtp)(]]..V(exp)..[[));
while (
#if defined(CEU_RET) || defined(CEU_OS)
_ceu_app->isAlive &&
#endif
_ceu_app->wclk_min<=0) {
ceu_out_go(_ceu_app, CEU_IN__WCLOCK, (tceu_evtp)0);
}
#if defined(CEU_RET) || defined(CEU_OS)
if (! _ceu_app->isAlive)
return RET_END;
#endif
}
]]
if _AST.iter'Thread'() then
emit = 'CEU_ATOMIC( '..emit..' )\n'
end
LINE(me, [[
#ifdef CEU_WCLOCKS
]]..emit..[[
#endif
]])
if _AST.iter'Async'() then
HALT(me, 'RET_ASYNC')
LINE(me, [[
case ]]..me.lbl_cnt.id..[[:;
]])
end
end,
EmitInt = function (me)
local _, int, exp = unpack(me)
-- [ ... | me=stk | ... | oth=stk ]
LINE(me, [[
_ceu_go->stk[_ceu_go->stki].evtp = _ceu_go->evtp;
#ifdef CEU_INTS
#ifdef CEU_ORGS
_ceu_go->stk[_ceu_go->stki].evto = _ceu_go->evto;
#endif
#endif
_ceu_go->stk[_ceu_go->stki].evt = _ceu_go->evt; /* 3rd (stk) other trails */
_ceu_go->trl->evt = CEU_IN__STK;
_ceu_go->trl->stk = _ceu_go->stki++; /* 2nd (stk) me */
_ceu_go->trl->lbl = ]]..me.lbl_cnt.id..[[;
/* 1st (stk+1) my lsts */
/* TRIGGER EVENT */
_ceu_go->evt = ]]..(int.ifc_idx or int.var.evt.idx)..[[;
#ifdef CEU_ORGS
_ceu_go->evto = (tceu_org*) ]]..((int.org and int.org.val) or '_ceu_go->org')..[[;
#endif
]])
if exp then
local field = _TP.deref(exp.tp) and 'ptr' or 'v'
LINE(me, [[
_ceu_go->evtp.]]..field..' = '..V(exp)..[[;
]])
end
LINE(me, [[
#ifdef CEU_ORGS
_ceu_go->org = _ceu_app->data; /* TODO(speed): check if is_ifc */
#endif
/*goto _CEU_CALL_ORG_;*/
return RET_ORG;
case ]]..me.lbl_cnt.id..[[:;
]])
end,
AwaitN = function (me)
HALT(me)
end,
AwaitT = function (me)
local exp = unpack(me)
local no = '_CEU_NO_'..me.n..'_'
LINE(me, [[
ceu_trails_set_wclock(_ceu_app, &]]..me.val_wclk..[[, (s32)]]..V(exp)..[[);
]]..no..[[:
_ceu_go->trl->evt = CEU_IN__WCLOCK;
_ceu_go->trl->lbl = ]]..me.lbl.id..[[;
]])
HALT(me)