diff options
Diffstat (limited to 'tex/context/base/mkiv/luat-fmt.lua')
| -rw-r--r-- | tex/context/base/mkiv/luat-fmt.lua | 172 |
1 files changed, 64 insertions, 108 deletions
diff --git a/tex/context/base/mkiv/luat-fmt.lua b/tex/context/base/mkiv/luat-fmt.lua index 538556ed2..ab831fafc 100644 --- a/tex/context/base/mkiv/luat-fmt.lua +++ b/tex/context/base/mkiv/luat-fmt.lua @@ -6,6 +6,15 @@ if not modules then modules = { } end modules ['luat-fmt'] = { license = "see context related readme files" } +-- The original idea was to have a generic format builder and as a result the code +-- here (and some elsewhere) is bit more extensive that we really need for context. +-- For instance, in the real beginning we had runtime loading because we had no +-- bytecode registers yet. We also had multiple files as stubs and the context.lus +-- file specified these. More than a decade only the third method was used, just +-- loading luat-cod, so in the end we cpould get rid of the lus file. In due time +-- I'll strip the code here because something generic will never take of and we +-- moved on to luametatex anyway. + local format = string.format local concat = table.concat local quoted = string.quoted @@ -13,9 +22,6 @@ local luasuffixes = utilities.lua.suffixes local report_format = logs.reporter("resolvers","formats") --- this is a bit messy: we also handle flags in mtx-context so best we --- can combine this some day (all here) - local function primaryflags(arguments) local flags = { } if arguments.silent then @@ -71,16 +77,16 @@ local checkers = { } local runners = { - luatex = sandbox.registerrunner { - name = "make luatex format", - program = "luatex", + luametatex = sandbox.registerrunner { + name = "make luametatex format", + program = "luametatex", template = template, checkers = checkers, reporter = report_format, }, - luametatex = sandbox.registerrunner { - name = "make luametatex format", - program = "luametatex", + luatex = sandbox.registerrunner { + name = "make luatex format", + program = "luatex", template = template, checkers = checkers, reporter = report_format, @@ -94,6 +100,18 @@ local runners = { }, } +local stubfiles = { + luametatex = "luat-cod.lmt", + luatex = "luat-cod.lua", + luajittex = "luat-cod.lua", +} + +local suffixes = { + luametatex = "mkxl", + luatex = "mkiv", + luajittex = "mkiv", +} + local function validbinarypath() -- if environment.arguments.addbinarypath then if not environment.arguments.nobinarypath then @@ -107,81 +125,55 @@ local function validbinarypath() end end +local function fatalerror(startupdir,...) + report_format(...) + lfs.chdir(startupdir) +end + function environment.make_format(formatname) - -- first we set up the engine and normally that information is provided - -- by the engine ... when we move to luametatex we could decide to simplfy - -- all the following - local arguments = environment.arguments - local engine = environment.ownmain or "luatex" - local silent = arguments.silent - local errors = arguments.errors + local arguments = environment.arguments + local engine = environment.ownmain or "luatex" + local silent = arguments.silent + local errors = arguments.errors + local runner = runners[engine] + local startupdir = dir.current() + if not runner then + return fatalerror(startupdir,"the format %a cannot be generated, no runner available for engine %a",name,engine) + end -- now we locate the to be used source files ... there are some variants that we -- need to take care - local texsourcename = "" - local texsourcepath = "" - local fulltexsourcename = "" - if engine == "luametatex" then - texsourcename = file.addsuffix(formatname,"mkxl") - fulltexsourcename = resolvers.findfile(texsourcename,"tex") or "" - end - if fulltexsourcename == "" then - texsourcename = file.addsuffix(formatname,"mkiv") - fulltexsourcename = resolvers.findfile(texsourcename,"tex") or "" + local luasourcename = stubfiles[engine] + if not luasourcename then + return fatalerror(startupdir,"no lua stub file specified for %a",engine) end + local texsourcename = file.addsuffix(formatname,suffixes[engine]) + local fulltexsourcename = resolvers.findfile(texsourcename,"tex") or "" if fulltexsourcename == "" then - texsourcename = file.addsuffix(formatname,"tex") - fulltexsourcename = resolvers.findfile(texsourcename,"tex") or "" + return fatalerror(startupdir,"no tex source file with name %a (mkiv or tex)",formatname) end - if fulltexsourcename == "" then - report_format("no tex source file with name %a (mkiv or tex)",formatname) - return - end - report_format("using tex source file %a",fulltexsourcename) -- this is tricky: we normally have an expanded path but when we don't have one, -- the current path gets appended - fulltexsourcename = dir.expandname(fulltexsourcename) - texsourcepath = file.dirname(fulltexsourcename) - if not lfs.isfile(fulltexsourcename) then - report_format("no accessible tex source file with name %a",fulltexsourcename) - return + local fulltexsourcename = dir.expandname(fulltexsourcename) + local texsourcepath = file.dirname(fulltexsourcename) + if lfs.isfile(fulltexsourcename) then + report_format("using tex source file %a",fulltexsourcename) + else + return fatalerror(startupdir,"no accessible tex source file with name %a",fulltexsourcename) end -- we're getting there, that is: we have a file that specifies the context format; -- in addition to that file we need a stub for setting up lua as we start rather - -- minimalistic - local specificationname = "context.lus" - local specificationpath = "" - local fullspecificationname = resolvers.findfile(specificationname) or "" - if fullspecificationname == "" then - report_format("unable to locate specification file %a",specificationname) - return - end - report_format("using specification file %a",fullspecificationname) - -- let's expand the found name and so an extra check - fullspecificationname = dir.expandname(fullspecificationname) - specificationpath = file.dirname(fullspecificationname) - if texsourcepath ~= specificationpath then - report_format("tex source file and specification file are on different paths") - return - end - -- let's do an additional check here, if only because we then have a bit better - -- feedback on what goes wrong - if not lfs.isfile(fulltexsourcename) then - report_format("no accessible tex source file with name %a",fulltexsourcename) - return - end - if not lfs.isfile(fullspecificationname) then - report_format("no accessible specification file with name %a",fulltexsourcename) - return + -- minimalistic .. + local fullluasourcename = dir.expandname(file.join(texsourcepath,luasourcename) or "") + if lfs.isfile(fullluasourcename) then + report_format("using lua stub file %a",fullluasourcename) + else + return fatalerror(startupdir,"no accessible lua stub file with name %a",fulltexsourcename) end - -- we're still going strong - report_format("using tex source path %a",texsourcepath) -- we will change tot the format path because some local files will be created -- in the process and we don't want clutter local validformatpath = caches.getwritablepath("formats",engine) or "" - local startupdir = dir.current() if validformatpath == "" then - report_format("invalid format path, insufficient write access") - return + return fatalerror(startupdir,"invalid format path, insufficient write access") end -- in case we have a qualified path, we need to do this before we change -- because we can have half qualified paths (in lxc) @@ -189,53 +181,17 @@ function environment.make_format(formatname) report_format("changing to format path %a",validformatpath) lfs.chdir(validformatpath) if dir.current() ~= validformatpath then - report_format("unable to change to format path %a",validformatpath) - return - end - -- we're now ready for making the format which we do on the first found - -- writable path - local usedluastub = nil - local usedlualibs = dofile(fullspecificationname) - if type(usedlualibs) == "string" then - usedluastub = file.join(specificationpath,usedlualibs) - elseif type(usedlualibs) == "table" then - report_format("using stub specification %a",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 %a",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 %a",lucstubname) - usedluastub = lucstubname - else - report_format("using uncompiled initialization file %a",luastubname) - usedluastub = luastubname - end - else - report_format("invalid stub specification %a",fullspecificationname) - lfs.chdir(startupdir) - return - end - -- we're ready to go now but first we check if we actually do have a runner - -- for this engine ... we'd better have one - local runner = runners[engine] - if not runner then - report_format("the format %a cannot be generated, no runner available for engine %a",name,engine) - lfs.chdir(startupdir) - return + return fatalerror(startupdir,"unable to change to format path %a",validformatpath) end -- now we can generate the format, where we use a couple of flags, -- split into two categories local primaryflags = primaryflags(arguments) local secondaryflags = secondaryflags(arguments) - local specification = { + local specification = { binarypath = binarypath, primaryflags = primaryflags, secondaryflags = secondaryflags, - luafile = quoted(usedluastub), + luafile = quoted(fullluasourcename), texfile = quoted(fulltexsourcename), dump = os.platform == "unix" and "\\\\dump" or "\\dump", } @@ -255,7 +211,7 @@ function environment.make_format(formatname) end report_format("format path : %s",validformatpath) report_format("luatex engine : %s",engine) - report_format("lua startup file : %s",usedluastub) + report_format("lua startup file : %s",fullluasourcename) if primaryflags ~= "" then report_format("primary flags : %s",primaryflags) end |