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-rw-r--r--tex/context/base/node-res.lua134
1 files changed, 74 insertions, 60 deletions
diff --git a/tex/context/base/node-res.lua b/tex/context/base/node-res.lua
index bafa5e159..ea34f935c 100644
--- a/tex/context/base/node-res.lua
+++ b/tex/context/base/node-res.lua
@@ -7,20 +7,29 @@ if not modules then modules = { } end modules ['node-res'] = {
}
local gmatch, format = string.gmatch, string.format
-local copy_node, free_node, free_list, new_node, node_type, node_id = node.copy, node.free, node.flush_list, node.new, node.type, node.id
local tonumber, round = tonumber, math.round
-local glyph_node = node_id("glyph")
-
--[[ldx--
<p>The next function is not that much needed but in <l n='context'/> we use
for debugging <l n='luatex'/> node management.</p>
--ldx]]--
-nodes = nodes or { }
+local nodes, node = nodes, node
+
+local copy_node = node.copy
+local free_node = node.free
+local free_list = node.flush_list
+local new_node = node.new
+local node_type = node.type
+
+nodes.pool = nodes.pool or { }
+local pool = nodes.pool
local whatsitcodes = nodes.whatsitcodes
local skipcodes = nodes.skipcodes
+local nodecodes = nodes.nodecodes
+
+local glyph_code = nodecodes.glyph
local reserved = { }
@@ -29,9 +38,9 @@ local function register_node(n)
return n
end
-nodes.register = register_node
+pool.register = register_node
-function nodes.cleanup_reserved(nofboxes) -- todo
+function pool.cleanup(nofboxes) -- todo
nodes.tracers.steppers.reset() -- todo: make a registration subsystem
local nr, nl = #reserved, 0
for i=1,nr do
@@ -54,7 +63,7 @@ function nodes.cleanup_reserved(nofboxes) -- todo
return nr, nl, nofboxes -- can be nil
end
-function nodes.usage()
+function pool.usage()
local t = { }
for n, tag in gmatch(status.node_mem_usage,"(%d+) ([a-z_]+)") do
t[tag] = n
@@ -68,13 +77,13 @@ local penalty = register_node(new_node("penalty"))
local glue = register_node(new_node("glue")) -- glue.spec = nil
local glue_spec = register_node(new_node("glue_spec"))
local glyph = register_node(new_node("glyph",0))
-local textdir = register_node(new_node("whatsit",whatsitcodes.dir)) -- 7 (6 is local par node)
+local textdir = register_node(new_node("whatsit",whatsitcodes.dir))
local rule = register_node(new_node("rule"))
-local latelua = register_node(new_node("whatsit",whatsitcodes.late_lua)) -- 35
-local user_n = register_node(new_node("whatsit",whatsitcodes.user_defined)) user_n.type = 100 -- 44
-local user_l = register_node(new_node("whatsit",whatsitcodes.user_defined)) user_l.type = 110 -- 44
-local user_s = register_node(new_node("whatsit",whatsitcodes.user_defined)) user_s.type = 115 -- 44
-local user_t = register_node(new_node("whatsit",whatsitcodes.user_defined)) user_t.type = 116 -- 44
+local latelua = register_node(new_node("whatsit",whatsitcodes.latelua))
+local user_n = register_node(new_node("whatsit",whatsitcodes.userdefined)) user_n.type = 100 -- 44
+local user_l = register_node(new_node("whatsit",whatsitcodes.userdefined)) user_l.type = 110 -- 44
+local user_s = register_node(new_node("whatsit",whatsitcodes.userdefined)) user_s.type = 115 -- 44
+local user_t = register_node(new_node("whatsit",whatsitcodes.userdefined)) user_t.type = 116 -- 44
local left_margin_kern = register_node(new_node("margin_kern",0))
local right_margin_kern = register_node(new_node("margin_kern",1))
local lineskip = register_node(new_node("glue",skipcodes.lineskip))
@@ -84,7 +93,7 @@ local rightskip = register_node(new_node("glue",skipcodes.rightskip))
local temp = register_node(new_node("temp",0))
local noad = register_node(new_node("noad"))
-function nodes.zeroglue(n)
+function pool.zeroglue(n)
local s = n.spec
return not writable or (
s.width == 0
@@ -95,26 +104,26 @@ function nodes.zeroglue(n)
)
end
-function nodes.glyph(fnt,chr)
+function pool.glyph(fnt,chr)
local n = copy_node(glyph)
if fnt then n.font = fnt end
if chr then n.char = chr end
return n
end
-function nodes.penalty(p)
+function pool.penalty(p)
local n = copy_node(penalty)
n.penalty = p
return n
end
-function nodes.kern(k)
+function pool.kern(k)
local n = copy_node(kern)
n.kern = k
return n
end
-function nodes.glue_spec(width,stretch,shrink)
+function pool.gluespec(width,stretch,shrink)
local s = copy_node(glue_spec)
s.width, s.stretch, s.shrink = width, stretch, shrink
return s
@@ -135,33 +144,37 @@ local function someskip(skip,width,stretch,shrink)
return n
end
-function nodes.glue(width,stretch,shrink)
+function pool.glue(width,stretch,shrink)
return someskip(glue,width,stretch,shrink)
end
-function nodes.leftskip(width,stretch,shrink)
+
+function pool.leftskip(width,stretch,shrink)
return someskip(leftskip,width,stretch,shrink)
end
-function nodes.rightskip(width,stretch,shrink)
+
+function pool.rightskip(width,stretch,shrink)
return someskip(rightskip,width,stretch,shrink)
end
-function nodes.lineskip(width,stretch,shrink)
+
+function pool.lineskip(width,stretch,shrink)
return someskip(lineskip,width,stretch,shrink)
end
-function nodes.baselineskip(width,stretch,shrink)
+
+function pool.baselineskip(width,stretch,shrink)
return someskip(baselineskip,width,stretch,shrink)
end
-function nodes.disc()
+function pool.disc()
return copy_node(disc)
end
-function nodes.textdir(dir)
+function pool.textdir(dir)
local t = copy_node(textdir)
t.dir = dir
return t
end
-function nodes.rule(width,height,depth,dir)
+function pool.rule(width,height,depth,dir)
local n = copy_node(rule)
if width then n.width = width end
if height then n.height = height end
@@ -170,17 +183,17 @@ function nodes.rule(width,height,depth,dir)
return n
end
-function nodes.latelua(code)
+function pool.latelua(code)
local n = copy_node(latelua)
n.data = code
return n
end
-function nodes.leftmarginkern(glyph,width)
+function pool.leftmarginkern(glyph,width)
local n = copy_node(left_margin_kern)
if not glyph then
logs.fatal("nodes","invalid pointer to left margin glyph node")
- elseif glyph.id ~= glyph_node then
+ elseif glyph.id ~= glyph_code then
logs.fatal("nodes","invalid node type %s for left margin glyph node",node_type(glyph))
else
n.glyph = glyph
@@ -191,11 +204,11 @@ function nodes.leftmarginkern(glyph,width)
return n
end
-function nodes.rightmarginkern(glyph,width)
+function pool.rightmarginkern(glyph,width)
local n = copy_node(right_margin_kern)
if not glyph then
logs.fatal("nodes","invalid pointer to right margin glyph node")
- elseif glyph.id ~= glyph_node then
+ elseif glyph.id ~= glyph_code then
logs.fatal("nodes","invalid node type %s for right margin glyph node",node_type(p))
else
n.glyph = glyph
@@ -206,11 +219,11 @@ function nodes.rightmarginkern(glyph,width)
return n
end
-function nodes.temp()
+function pool.temp()
return copy_node(temp)
end
-function nodes.noad()
+function pool.noad()
return copy_node(noad)
end
@@ -227,7 +240,7 @@ and hide it for the user. And yes, LuaTeX now gives a warning as
well.</p>
]]--
-function nodes.writable_spec(n)
+function nodes.writable_spec(n) -- not pool
local spec = n.spec
if not spec then
spec = copy_node(glue_spec)
@@ -239,51 +252,52 @@ function nodes.writable_spec(n)
return spec
end
-local cache = { }
-
-function nodes.usernumber(num)
- local n = cache[num]
- if n then
- return copy_node(n)
- else
- local n = copy_node(user_n)
- if num then n.value = num end
- return n
+function pool.usernumber(id,num) -- if one argument then num
+ local n = copy_node(user_n)
+ if num then
+ n.user_id, n.value = id, num
+ elseif id then
+ n.value = id
end
+ return n
end
-function nodes.userlist(list)
+function pool.userlist(id,list)
local n = copy_node(user_l)
- if list then n.value = list end
+ if list then
+ n.user_id, n.value =id, list
+ else
+ n.value = id
+ end
return n
end
-local cache = { } -- we could use the same cache
-
-function nodes.userstring(str)
- local n = cache[str]
- if n then
- return copy_node(n)
+function pool.userstring(id,str)
+ local n = copy_node(user_s)
+ if str then
+ n.user_id, n.value =id, str
else
- local n = copy_node(user_s)
- n.type = 115
- if str then n.value = str end
- return n
+ n.value = id
end
+ return n
end
-function nodes.usertokens(tokens)
+function pool.usertokens(id,tokens)
local n = copy_node(user_t)
- if tokens then n.value = tokens end
+ if tokens then
+ n.user_id, n.value =id, tokens
+ else
+ n.value = id
+ end
return n
end
statistics.register("cleaned up reserved nodes", function()
- return format("%s nodes, %s lists of %s", nodes.cleanup_reserved(tex.count["lastallocatedbox"]))
+ return format("%s nodes, %s lists of %s", pool.cleanup(tex.count["lastallocatedbox"]))
end) -- \topofboxstack
statistics.register("node memory usage", function() -- comes after cleanup !
return status.node_mem_usage
end)
-lua.registerfinalizer(nodes.cleanup_reserved, "cleanup reserved nodes")
+lua.registerfinalizer(pool.cleanup, "cleanup reserved nodes")