diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/luaotfload-fontloader.lua | 127 |
1 files changed, 87 insertions, 40 deletions
diff --git a/src/luaotfload-fontloader.lua b/src/luaotfload-fontloader.lua index d475be6..3f408b9 100644 --- a/src/luaotfload-fontloader.lua +++ b/src/luaotfload-fontloader.lua @@ -1,6 +1,6 @@ -- merged file : luatex-fonts-merged.lua -- parent file : luatex-fonts.lua --- merge date : 02/13/14 11:27:58 +-- merge date : 02/14/14 17:07:59 do -- begin closure to overcome local limits and interference @@ -82,7 +82,9 @@ function optionalrequire(...) return result end end -lua.mask=load([[τεχ = 1]]) and "utf" or "ascii" +if lua then + lua.mask=load([[τεχ = 1]]) and "utf" or "ascii" +end end -- closure @@ -2523,11 +2525,18 @@ local unpack,concat=table.unpack,table.concat local P,V,C,S,R,Ct,Cs,Cp,Carg,Cc=lpeg.P,lpeg.V,lpeg.C,lpeg.S,lpeg.R,lpeg.Ct,lpeg.Cs,lpeg.Cp,lpeg.Carg,lpeg.Cc local patterns,lpegmatch=lpeg.patterns,lpeg.match local utfchar,utfbyte=utf.char,utf.byte -local loadstripped=function(str,shortcuts) - if shortcuts then - return load(dump(load(str),true),nil,nil,shortcuts) - else - return load(dump(load(str),true)) +local loadstripped=nil +if _LUAVERSION<5.2 then + loadstripped=function(str,shortcuts) + return load(str) + end +else + loadstripped=function(str,shortcuts) + if shortcuts then + return load(dump(load(str),true),nil,nil,shortcuts) + else + return load(dump(load(str),true)) + end end end if not number then number={} end @@ -2683,29 +2692,53 @@ local template=[[ %s return function(%s) return %s end ]] -local environment={ - global=global or _G, - lpeg=lpeg, - type=type, - tostring=tostring, - tonumber=tonumber, - format=string.format, - concat=table.concat, - signed=number.signed, - points=number.points, - basepoints=number.basepoints, - utfchar=utf.char, - utfbyte=utf.byte, - lpegmatch=lpeg.match, - nspaces=string.nspaces, - tracedchar=string.tracedchar, - autosingle=string.autosingle, - autodouble=string.autodouble, - sequenced=table.sequenced, - formattednumber=number.formatted, - sparseexponent=number.sparseexponent, -} -local preamble="" +local preamble,environment="",{} +if _LUAVERSION<5.2 then + preamble=[[ +local lpeg=lpeg +local type=type +local tostring=tostring +local tonumber=tonumber +local format=string.format +local concat=table.concat +local signed=number.signed +local points=number.points +local basepoints= number.basepoints +local utfchar=utf.char +local utfbyte=utf.byte +local lpegmatch=lpeg.match +local nspaces=string.nspaces +local tracedchar=string.tracedchar +local autosingle=string.autosingle +local autodouble=string.autodouble +local sequenced=table.sequenced +local formattednumber=number.formatted +local sparseexponent=number.sparseexponent + ]] +else + environment={ + global=global or _G, + lpeg=lpeg, + type=type, + tostring=tostring, + tonumber=tonumber, + format=string.format, + concat=table.concat, + signed=number.signed, + points=number.points, + basepoints=number.basepoints, + utfchar=utf.char, + utfbyte=utf.byte, + lpegmatch=lpeg.match, + nspaces=string.nspaces, + tracedchar=string.tracedchar, + autosingle=string.autosingle, + autodouble=string.autodouble, + sequenced=table.sequenced, + formattednumber=number.formatted, + sparseexponent=number.sparseexponent, + } +end local arguments={ "a1" } setmetatable(arguments,{ __index=function(t,k) local v=t[k-1]..",a"..k @@ -3052,14 +3085,22 @@ local function use(t,fmt,...) return t[fmt](...) end strings.formatters={} -function strings.formatters.new() - local e={} - for k,v in next,environment do - e[k]=v +if _LUAVERSION<5.2 then + function strings.formatters.new() + local t={ _extensions_={},_preamble_=preamble,_environment_={},_type_="formatter" } + setmetatable(t,{ __index=make,__call=use }) + return t + end +else + function strings.formatters.new() + local e={} + for k,v in next,environment do + e[k]=v + end + local t={ _extensions_={},_preamble_="",_environment_=e,_type_="formatter" } + setmetatable(t,{ __index=make,__call=use }) + return t end - local t={ _extensions_={},_preamble_="",_environment_=e,_type_="formatter" } - setmetatable(t,{ __index=make,__call=use }) - return t end local formatters=strings.formatters.new() string.formatters=formatters @@ -3081,9 +3122,15 @@ patterns.xmlescape=Cs((P("<")/"<"+P(">")/">"+P("&")/"&"+P('"')/"" patterns.texescape=Cs((C(S("#$%\\{}"))/"\\%1"+P(1))^0) patterns.luaescape=Cs(((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0) patterns.luaquoted=Cs(Cc('"')*((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0*Cc('"')) -add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],{ xmlescape=lpeg.patterns.xmlescape }) -add(formatters,"tex",[[lpegmatch(texescape,%s)]],{ texescape=lpeg.patterns.texescape }) -add(formatters,"lua",[[lpegmatch(luaescape,%s)]],{ luaescape=lpeg.patterns.luaescape }) +if _LUAVERSION<5.2 then + add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],"local xmlescape = lpeg.patterns.xmlescape") + add(formatters,"tex",[[lpegmatch(texescape,%s)]],"local texescape = lpeg.patterns.texescape") + add(formatters,"lua",[[lpegmatch(luaescape,%s)]],"local luaescape = lpeg.patterns.luaescape") +else + add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],{ xmlescape=lpeg.patterns.xmlescape }) + add(formatters,"tex",[[lpegmatch(texescape,%s)]],{ texescape=lpeg.patterns.texescape }) + add(formatters,"lua",[[lpegmatch(luaescape,%s)]],{ luaescape=lpeg.patterns.luaescape }) +end end -- closure |