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authorKarl Berry <karl@freefriends.org>2010-06-01 00:32:08 +0000
committerKarl Berry <karl@freefriends.org>2010-06-01 00:32:08 +0000
commit6282918cbbbe4509d36e3d456c773143bd902535 (patch)
tree868505638ed4975b64fbd2a6eeb211381afc241b /Master/bin/x86_64-linux/luatools
parente3cbd42f8919eabe630d9040feb6956fb41713ef (diff)
mtxrun/luatools update from scripts/context/stubs
git-svn-id: svn://tug.org/texlive/trunk@18659 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/bin/x86_64-linux/luatools')
-rwxr-xr-xMaster/bin/x86_64-linux/luatools95
1 files changed, 68 insertions, 27 deletions
diff --git a/Master/bin/x86_64-linux/luatools b/Master/bin/x86_64-linux/luatools
index 1d87322c108..51c8751abf4 100755
--- a/Master/bin/x86_64-linux/luatools
+++ b/Master/bin/x86_64-linux/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","$HOME/Library/Fonts//;/Library/Fonts//;/System/Library/Fonts//")
+ end
end
function resolvers.bare_variable(str) -- assumes str is a string
@@ -6078,8 +6116,11 @@ function resolvers.expand_variables()
local expansions, environment, variables = { }, instance.environment, instance.variables
local env = resolvers.env
instance.expansions = expansions
- if instance.engine ~= "" then environment['engine'] = instance.engine end
- if instance.progname ~= "" then environment['progname'] = instance.progname end
+ local engine, progname = instance.engine, instance.progname
+ if type(engine) ~= "string" then instance.engine, engine = "", "" end
+ if type(progname) ~= "string" then instance.progname, progname = "", "" end
+ if engine ~= "" then environment['engine'] = engine end
+ if progname ~= "" then environment['progname'] = progname end
for k,v in next, environment do
local a, b = match(k,"^(%a+)%_(.*)%s*$")
if a and b then