diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/data-lua.lua')
| -rw-r--r-- | Master/texmf-dist/tex/context/base/data-lua.lua | 125 |
1 files changed, 111 insertions, 14 deletions
diff --git a/Master/texmf-dist/tex/context/base/data-lua.lua b/Master/texmf-dist/tex/context/base/data-lua.lua index 86231b3a3a9..988133fbecf 100644 --- a/Master/texmf-dist/tex/context/base/data-lua.lua +++ b/Master/texmf-dist/tex/context/base/data-lua.lua @@ -1,55 +1,152 @@ if not modules then modules = { } end modules ['data-lua'] = { version = 1.001, - comment = "companion to luat-lib.tex", + comment = "companion to luat-lib.mkiv", author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", copyright = "PRAGMA ADE / ConTeXt Development Team", license = "see context related readme files" } --- some loading stuff ... we might move this one to slot 1 depending +-- some loading stuff ... we might move this one to slot 2 depending -- on the developments (the loaders must not trigger kpse); we could -- of course use a more extensive lib path spec local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) -local gsub = string.gsub +local gsub, insert = string.gsub, table.insert +local unpack = unpack or table.unpack -local libformats = { 'luatexlibs', 'tex', 'texmfscripts', 'othertextfiles' } -local libpaths = file.split_path(package.path) +local libformats = { 'luatexlibs', 'tex', 'texmfscripts', 'othertextfiles' } -- 'luainputs' +local clibformats = { 'lib' } -package.loaders[#package.loaders+1] = function(name) +local _path_, libpaths, _cpath_, clibpaths + +function package.libpaths() + if not _path_ or package.path ~= _path_ then + _path_ = package.path + libpaths = file.split_path(_path_,";") + end + return libpaths +end + +function package.clibpaths() + if not _cpath_ or package.cpath ~= _cpath_ then + _cpath_ = package.cpath + clibpaths = file.split_path(_cpath_,";") + end + return clibpaths +end + +local function thepath(...) + local t = { ... } t[#t+1] = "?.lua" + local path = file.join(unpack(t)) + if trace_locating then + logs.report("fileio","! appending '%s' to 'package.path'",path) + end + return path +end + +local p_libpaths, a_libpaths = { }, { } + +function package.append_libpath(...) + insert(a_libpath,thepath(...)) +end + +function package.prepend_libpath(...) + insert(p_libpaths,1,thepath(...)) +end + +-- beware, we need to return a loadfile result ! + +local function loaded(libpaths,name,simple) + for i=1,#libpaths do -- package.path, might become option + local libpath = libpaths[i] + local resolved = gsub(libpath,"%?",simple) + if trace_locating then -- more detail + logs.report("fileio","! checking for '%s' on 'package.path': '%s' => '%s'",simple,libpath,resolved) + end + if resolvers.isreadable.file(resolved) then + if trace_locating then + logs.report("fileio","! lib '%s' located via 'package.path': '%s'",name,resolved) + end + return loadfile(resolved) + end + end +end + + +package.loaders[2] = function(name) -- was [#package.loaders+1] + if trace_locating then -- mode detail + logs.report("fileio","! locating '%s'",name) + end for i=1,#libformats do local format = libformats[i] local resolved = resolvers.find_file(name,format) or "" + if trace_locating then -- mode detail + logs.report("fileio","! checking for '%s' using 'libformat path': '%s'",name,format) + end if resolved ~= "" then if trace_locating then logs.report("fileio","! lib '%s' located via environment: '%s'",name,resolved) end - return function() return dofile(resolved) end + return loadfile(resolved) end end - local simple = file.removesuffix(name) - for i=1,#libpaths do - local resolved = gsub(libpaths[i],"?",simple) + -- libpaths + local libpaths, clibpaths = package.libpaths(), package.clibpaths() + local simple = gsub(name,"%.lua$","") + local simple = gsub(simple,"%.","/") + local resolved = loaded(p_libpaths,name,simple) or loaded(libpaths,name,simple) or loaded(a_libpaths,name,simple) + if resolved then + return resolved + end + -- + local libname = file.addsuffix(simple,os.libsuffix) + for i=1,#clibformats do + -- better have a dedicated loop + local format = clibformats[i] + local paths = resolvers.expanded_path_list_from_var(format) + for p=1,#paths do + local path = paths[p] + local resolved = file.join(path,libname) + if trace_locating then -- mode detail + logs.report("fileio","! checking for '%s' using 'clibformat path': '%s'",libname,path) + end + if resolvers.isreadable.file(resolved) then + if trace_locating then + logs.report("fileio","! lib '%s' located via 'clibformat': '%s'",libname,resolved) + end + return package.loadlib(resolved,name) + end + end + end + for i=1,#clibpaths do -- package.path, might become option + local libpath = clibpaths[i] + local resolved = gsub(libpath,"?",simple) + if trace_locating then -- more detail + logs.report("fileio","! checking for '%s' on 'package.cpath': '%s'",simple,libpath) + end if resolvers.isreadable.file(resolved) then if trace_locating then - logs.report("fileio","! lib '%s' located via 'package.path': '%s'",name,resolved) + logs.report("fileio","! lib '%s' located via 'package.cpath': '%s'",name,resolved) end - return function() return dofile(resolved) end + return package.loadlib(resolved,name) end end -- just in case the distribution is messed up + if trace_loading then -- more detail + logs.report("fileio","! checking for '%s' using 'luatexlibs': '%s'",name) + end local resolved = resolvers.find_file(file.basename(name),'luatexlibs') or "" if resolved ~= "" then if trace_locating then logs.report("fileio","! lib '%s' located by basename via environment: '%s'",name,resolved) end - return function() return dofile(resolved) end + return loadfile(resolved) end if trace_locating then logs.report("fileio",'? unable to locate lib: %s',name) end - return "unable to locate " .. name +-- return "unable to locate " .. name end resolvers.loadlualib = require |