diff options
Diffstat (limited to 'Master/texmf-dist/scripts/context/stubs/unix/luatools')
| -rwxr-xr-x | Master/texmf-dist/scripts/context/stubs/unix/luatools | 88 |
1 files changed, 63 insertions, 25 deletions
diff --git a/Master/texmf-dist/scripts/context/stubs/unix/luatools b/Master/texmf-dist/scripts/context/stubs/unix/luatools index 1d87322c108..f2716ab7a6a 100755 --- a/Master/texmf-dist/scripts/context/stubs/unix/luatools +++ b/Master/texmf-dist/scripts/context/stubs/unix/luatools @@ -516,7 +516,55 @@ local concat, sort, insert, remove = table.concat, table.sort, table.insert, tab local format, find, gsub, lower, dump, match = string.format, string.find, string.gsub, string.lower, string.dump, string.match local getmetatable, setmetatable = getmetatable, setmetatable local type, next, tostring, tonumber, ipairs = type, next, tostring, tonumber, ipairs -local unpack = unpack or table.unpack + +-- Starting with version 5.2 Lua no longer provide ipairs, which makes +-- sense. As we already used the for loop and # in most places the +-- impact on ConTeXt was not that large; the remaining ipairs already +-- have been replaced. In a similar fashio we also hardly used pairs. +-- +-- Just in case, we provide the fallbacks as discussed in Programming +-- in Lua (http://www.lua.org/pil/7.3.html): + +if not ipairs then + + -- for k, v in ipairs(t) do ... end + -- for k=1,#t do local v = t[k] ... end + + local function iterate(a,i) + i = i + 1 + local v = a[i] + if v ~= nil then + return i, v --, nil + end + end + + function ipairs(a) + return iterate, a, 0 + end + +end + +if not pairs then + + -- for k, v in pairs(t) do ... end + -- for k, v in next, t do ... end + + function pairs(t) + return next, t -- , nil + end + +end + +-- Also, unpack has been moved to the table table, and for compatiility +-- reasons we provide both now. + +if not table.unpack then + table.unpack = _G.unpack +elseif not unpack then + _G.unpack = table.unpack +end + +-- extra functions, some might go (when not used) function table.strip(tab) local lst = { } @@ -703,7 +751,7 @@ end table.fastcopy = fastcopy table.copy = copy --- rougly: copy-loop : unpack : sub == 0.9 : 0.4 : 0.45 (so in critical apps, use unpack) +-- roughly: copy-loop : unpack : sub == 0.9 : 0.4 : 0.45 (so in critical apps, use unpack) function table.sub(t,i,j) return { unpack(t,i,j) } @@ -726,7 +774,7 @@ function table.one_entry(t) -- obolete, use inline code instead return n and not next(t,n) end ---~ function table.starts_at(t) -- obsolete, not nice +--~ function table.starts_at(t) -- obsolete, not nice anyway --~ return ipairs(t,1)(t,0) --~ end @@ -1365,6 +1413,7 @@ function table.insert_after_value(t,value,extra) end + end -- of closure do -- create closure to overcome 200 locals limit @@ -3665,6 +3714,10 @@ function aux.accesstable(target) return t end +--~ function string.commaseparated(str) +--~ return gmatch(str,"([^,%s]+)") +--~ end + -- as we use this a lot ... --~ function aux.cachefunction(action,weak) @@ -5090,28 +5143,13 @@ local function reset_hashes() end local function check_configuration() -- not yet ok, no time for debugging now - local ie, iv = instance.environment, instance.variables - local function fix(varname,default) - local proname = varname .. "." .. instance.progname or "crap" - local p, v = ie[proname], ie[varname] or iv[varname] - if not ((p and p ~= "") or (v and v ~= "")) then - iv[varname] = default -- or environment? - end - end - local name = os.name - if name == "windows" then - fix("OSFONTDIR", "c:/windows/fonts//") - elseif name == "macosx" then - fix("OSFONTDIR", "$HOME/Library/Fonts//;/Library/Fonts//;/System/Library/Fonts//") - else - -- bad luck - end - fix("LUAINPUTS" , ".;$TEXINPUTS;$TEXMFSCRIPTS") -- no progname, hm - -- this will go away some day - fix("FONTFEATURES", ".;$TEXMF/fonts/{data,fea}//;$OPENTYPEFONTS;$TTFONTS;$T1FONTS;$AFMFONTS") - fix("FONTCIDMAPS" , ".;$TEXMF/fonts/{data,cid}//;$OPENTYPEFONTS;$TTFONTS;$T1FONTS;$AFMFONTS") - -- - fix("LUATEXLIBS" , ".;$TEXMF/luatex/lua//") + if os.env["OSFONTDIR"] then + -- ok + elseif os.type == "windows" then + os.setenv("OSFONTDIR","c:/windows/fonts//") + elseif os.type == "macosx" then + os.setenv("OSFONTDIR","$HOME/Library/Fonts//;/Library/Fonts//;/System/Library/Fonts//") + end end function resolvers.bare_variable(str) -- assumes str is a string |