diff options
Diffstat (limited to 'tex/context/base/mkiv/cldf-lmt.lua')
| -rw-r--r-- | tex/context/base/mkiv/cldf-lmt.lua | 302 |
1 files changed, 256 insertions, 46 deletions
diff --git a/tex/context/base/mkiv/cldf-lmt.lua b/tex/context/base/mkiv/cldf-lmt.lua index 74ba5c224..ab25f962e 100644 --- a/tex/context/base/mkiv/cldf-lmt.lua +++ b/tex/context/base/mkiv/cldf-lmt.lua @@ -6,45 +6,52 @@ if not modules then modules = { } end modules ['cldf-lmt'] = { license = "see context related readme files" } -local random = math.random -local randomseed = math.randomseed -local round = math.round -local abs = math.abs - -local scanners = tokens.scanners -local scanword = scanners.word -local scanstring = scanners.string -local scanboolean = scanners.boolean -local scandimen = scanners.dimen -local scanfloat = scanners.float -local scancount = scanners.integer -local scaninteger = scanners.luainteger -local scancardinal = scanners.luacardinal -local scannumber = scanners.luanumber -local scanargument = scanners.argument -local scantoken = scanners.token -local getindex = token.get_index -local texsetdimen = tex.setdimen - -local values = tokens.values -local none_code = values.none -local integer_code = values.integer -local cardinal_code = values.cardinal -local dimension_code = values.dimension -local skip_code = values.skip -local boolean_code = values.boolean -local float_code = values.float - -local context = context +local next, load = next, load + +local setmetatableindex = table.setmetatableindex +local serialize = table.serialize + +local random = math.random +local randomseed = math.randomseed +local round = math.round +local abs = math.abs + +local implement = interfaces.implement + +local scanners = tokens.scanners +local scanword = scanners.word +local scanstring = scanners.string +local scanboolean = scanners.boolean +local scandimen = scanners.dimen +local scanfloat = scanners.float +local scancount = scanners.integer +local scaninteger = scanners.luainteger +local scancardinal = scanners.luacardinal +local scannumber = scanners.luanumber +local scanargument = scanners.argument +local scantoken = scanners.token +local getindex = token.get_index +local texsetdimen = tex.setdimen + +local values = tokens.values +local none_code = values.none +local integer_code = values.integer +local cardinal_code = values.cardinal +local dimension_code = values.dimension +local skip_code = values.skip +local boolean_code = values.boolean +local float_code = values.float + +local context = context + +-- variables -- local floats = { } local integers = { } local cardinals = { } local numbers = { } --- variables -- - -interfaces.implement { +implement { name = "luafloat", public = true, value = true, @@ -59,7 +66,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "luainteger", public = true, value = true, @@ -73,7 +80,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "luacount", public = true, value = true, @@ -87,7 +94,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "luadimen", public = true, value = true, @@ -101,7 +108,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "luacardinal", public = true, value = true, @@ -115,7 +122,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "luanumber", public = true, value = true, @@ -130,7 +137,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "luarandom", public = true, value = true, @@ -159,7 +166,7 @@ interfaces.arrays = arrays local newindex = lua.newindex -interfaces.implement { +implement { name = "newarray", public = true, protected = true, @@ -220,7 +227,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "arrayvalue", public = true, value = true, @@ -252,7 +259,7 @@ interfaces.implement { } -interfaces.implement { +implement { name = "arrayequals", public = true, value = true, @@ -276,7 +283,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "arraycompare", public = true, value = true, @@ -308,7 +315,7 @@ interfaces.implement { end, } -interfaces.implement { +implement { name = "showarray", public = true, protected = true, @@ -334,7 +341,7 @@ end) table.makeweak(cache) -interfaces.implement { +implement { name = "luaexpression", public = true, actions = function() @@ -367,7 +374,7 @@ interfaces.implement { local dimenfactors = number.dimenfactors -interfaces.implement { +implement { name = "nodimen", public = true, value = true, @@ -397,3 +404,206 @@ interfaces.implement { end end, } + +-- experimental: + +local grouped = { } +local slots = { } +local nofslots = 0 +local nofgrouped = 0 + +local getdata = tokens.getdata +local setdata = tokens.setdata + +local report = logs.reporter("lua table") + +----- ctxsprint = context.sprint + +-- we could have an extra one that collects all end of grouped actions +-- so that we dispose more in one go but it doesn's pay off + +local function newluatable(name,mt,dispose) + local g = { } + local t = slots[nofslots] + slots[nofslots] = false + nofslots = nofslots - 1 + if not t then + nofgrouped = nofgrouped + 1 + t = nofgrouped + end + if mt then + mt = getdata(name) + if mt then + mt = grouped[mt] + if mt then + setmetatableindex(g,mt) + end + end + end + grouped[t] = g + setdata(name,t) + -- This is the slow part. Doing this at the TeX end saved 10% runtime. I'll + -- think of something that we can set it at the Lua end. + if dispose then + ctxsprint("\\atendofgrouped{\\disposeluatable\\" .. name .. "}") + end +end + +local function disposeluatable(name) + local t = getdata(name) + local g = grouped[t] + if g then + grouped[t] = false + nofslots = nofslots + 1 + slots[nofslots] = t + end +end + +local function setluatable(name,kv) + local t = getdata(name) + local g = grouped[t] + if g and kv then + for k, v in next, kv do + g[k] = v + end + end +end + +local function getfromluatable(name,k) + local t = getdata(name) + local g = grouped[t] + if g then + local v = g[k] + if v then + context(v) + else + local n = tonumber(k) + if n then + local v = g[n] + if v then + context(v) + end + end + end + end +end + +local function idxfromluatable(name,k) + local t = getdata(name) + local g = grouped[t] + if g then + local v = g[k] + if v then + context(v) + end + end +end + +local function getluatable(name,k) + local t = getdata(name) + local g = grouped[t] + if g then + return g + end +end + +local function inspectluatable(name) + local t = getdata(name) + local g = grouped[t] + if g then + report("%s", serialize(g,'[grouped slot ' .. t .. ']')) + end +end + +local function showluatables() + report("nofgrouped %i, nofslots %i",nofgrouped,nofslots) + for t=1,nofgrouped do + local g = grouped[t] + if g then + report("%s", serialize(g,'[grouped slot ' .. t .. ']')) + end + end +end + +implement { + name = "newluatable", + protected = true, + -- public = true, + arguments = { "csname" }, + actions = newluatable, +} + +implement { + name = "useluatable", + protected = true, + -- public = true, + arguments = { "csname", true }, + actions = newluatable, +} + +implement { + name = "disposeluatable", + protected = true, + public = true, + arguments = { "csname" }, + actions = disposeluatable, +} + +implement { + name = "inspectluatable", + protected = true, + public = true, + arguments = { "csname" }, + actions = inspectluatable, +} + +implement { + name = "showluatables", + protected = true, + public = true, + actions = showluatables, +} + +implement { + name = "setluatable", + protected = true, + public = true, + arguments = { "csname", "argument" }, + actions = function(name,data) + data = load("return {" .. data .. "}") + if data then + data = data() + if data then + setluatable(name,data) + end + end + end +} + +implement { + name = "getfromluatable", + protected = false, + public = true, + arguments = { "csname", "argument" }, + actions = getfromluatable, +} + +implement { + name = "idxfromluatable", + protected = false, + public = true, + arguments = { "csname", "integer" }, + actions = idxfromluatable, +} + +context.luatables = { + new = function(name) newluatable(name,false,true) end, + use = function(name) useluatable(name,true, true) end, + dispose = disposeluatable, + set = setluatable, + get = getluatable, + getfrom = getfromluatable, + idxfrom = idxfromluatable, + inspect = inspectluatable, + show = showluatables, +} |