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if not modules then modules = { } end modules ['luat-fmt'] = {
version = 1.001,
comment = "companion to mtxrun",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local format = string.format
local quoted = string.quoted
local luasuffixes = utilities.lua.suffixes
local report_format = logs.reporter("resolvers","formats")
local function primaryflags() -- not yet ok
local trackers = environment.argument("trackers")
local directives = environment.argument("directives")
local flags = ""
if trackers and trackers ~= "" then
flags = flags .. "--trackers=" .. quoted(trackers)
end
if directives and directives ~= "" then
flags = flags .. "--directives=" .. quoted(directives)
end
return flags
end
function environment.make_format(name)
local engine = environment.ownmain or "luatex"
-- change to format path (early as we need expanded paths)
local olddir = dir.current()
local path = caches.getwritablepath("formats",engine) or "" -- maybe platform
if path ~= "" then
lfs.chdir(path)
end
report_format("format path: %s",dir.current())
-- check source file
local texsourcename = file.addsuffix(name,"mkiv")
local fulltexsourcename = resolvers.findfile(texsourcename,"tex") or ""
if fulltexsourcename == "" then
texsourcename = file.addsuffix(name,"tex")
fulltexsourcename = resolvers.findfile(texsourcename,"tex") or ""
end
if fulltexsourcename == "" then
report_format("no tex source file with name: %s (mkiv or tex)",name)
lfs.chdir(olddir)
return
else
report_format("using tex source file: %s",fulltexsourcename)
end
local texsourcepath = dir.expandname(file.dirname(fulltexsourcename)) -- really needed
-- check specification
local specificationname = file.replacesuffix(fulltexsourcename,"lus")
local fullspecificationname = resolvers.findfile(specificationname,"tex") or ""
if fullspecificationname == "" then
specificationname = file.join(texsourcepath,"context.lus")
fullspecificationname = resolvers.findfile(specificationname,"tex") or ""
end
if fullspecificationname == "" then
report_format("unknown stub specification: %s",specificationname)
lfs.chdir(olddir)
return
end
local specificationpath = file.dirname(fullspecificationname)
-- load specification
local usedluastub = nil
local usedlualibs = dofile(fullspecificationname)
if type(usedlualibs) == "string" then
usedluastub = file.join(file.dirname(fullspecificationname),usedlualibs)
elseif type(usedlualibs) == "table" then
report_format("using stub specification: %s",fullspecificationname)
local texbasename = file.basename(name)
local luastubname = file.addsuffix(texbasename,luasuffixes.lua)
local lucstubname = file.addsuffix(texbasename,luasuffixes.luc)
-- pack libraries in stub
report_format("creating initialization file: %s",luastubname)
utilities.merger.selfcreate(usedlualibs,specificationpath,luastubname)
-- compile stub file (does not save that much as we don't use this stub at startup any more)
if utilities.lua.compile(luastubname,lucstubname) and lfs.isfile(lucstubname) then
report_format("using compiled initialization file: %s",lucstubname)
usedluastub = lucstubname
else
report_format("using uncompiled initialization file: %s",luastubname)
usedluastub = luastubname
end
else
report_format("invalid stub specification: %s",fullspecificationname)
lfs.chdir(olddir)
return
end
-- generate format
local command = format("%s --ini %s --lua=%s %s %sdump",engine,primaryflags(),quoted(usedluastub),quoted(fulltexsourcename),os.platform == "unix" and "\\\\" or "\\")
report_format("running command: %s\n",command)
os.spawn(command)
-- remove related mem files
local pattern = file.removesuffix(file.basename(usedluastub)).."-*.mem"
-- report_format("removing related mplib format with pattern '%s'", pattern)
local mp = dir.glob(pattern)
if mp then
for i=1,#mp do
local name = mp[i]
report_format("removing related mplib format %s", file.basename(name))
os.remove(name)
end
end
lfs.chdir(olddir)
end
function environment.run_format(name,data,more)
if name and name ~= "" then
local engine = environment.ownmain or "luatex"
local barename = file.removesuffix(name)
local fmtname = caches.getfirstreadablefile(file.addsuffix(barename,"fmt"),"formats",engine)
if fmtname == "" then
fmtname = resolvers.findfile(file.addsuffix(barename,"fmt")) or ""
end
fmtname = resolvers.cleanpath(fmtname)
if fmtname == "" then
report_format("no format with name: %s",name)
else
local barename = file.removesuffix(name) -- expanded name
local luaname = file.addsuffix(barename,"luc")
if not lfs.isfile(luaname) then
luaname = file.addsuffix(barename,"lua")
end
if not lfs.isfile(luaname) then
report_format("using format name: %s",fmtname)
report_format("no luc/lua with name: %s",barename)
else
local command = format("%s %s --fmt=%s --lua=%s %s %s",engine,primaryflags(),quoted(barename),quoted(luaname),quoted(data),more ~= "" and quoted(more) or "")
report_format("running command: %s",command)
os.spawn(command)
end
end
end
end
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