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-rw-r--r--Master/texmf-dist/tex/context/base/core-env.lua261
1 files changed, 0 insertions, 261 deletions
diff --git a/Master/texmf-dist/tex/context/base/core-env.lua b/Master/texmf-dist/tex/context/base/core-env.lua
deleted file mode 100644
index a3a87b7f78e..00000000000
--- a/Master/texmf-dist/tex/context/base/core-env.lua
+++ /dev/null
@@ -1,261 +0,0 @@
-if not modules then modules = { } end modules ['core-env'] = {
- version = 1.001,
- comment = "companion to core-env.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
--- maybe this will move to the context name space although the
--- plurals are unlikely to clash with future tex primitives
---
--- if tex.modes['xxxx'] then .... else .... end
-
-local P, C, S, Cc, lpegmatch, patterns = lpeg.P, lpeg.C, lpeg.S, lpeg.Cc, lpeg.match, lpeg.patterns
-
-local texgetcount = tex.getcount
-local texsetcount = tex.setcount
-
-local allocate = utilities.storage.allocate
-local setmetatableindex = table.setmetatableindex
-local setmetatablecall = table.setmetatablecall
-
-local context = context
-
-tex.modes = allocate { }
-tex.systemmodes = allocate { }
-tex.constants = allocate { }
-tex.conditionals = allocate { }
-tex.ifs = allocate { }
-tex.isdefined = allocate { }
-
-local modes = { }
-local systemmodes = { }
-
--- if newtoken then -- we keep the old code for historic reasons
-
- -- undefined: mode == 0 or cmdname = "undefined_cs"
-
- local create = newtoken.create
-
- local cache = table.setmetatableindex(function(t,k)
- local v = create(k)
- t[k] = v
- return v
- end)
-
- -- we can have a modes cache too
-
- local iftrue = cache["iftrue"].mode
- local undefined = cache["*undefined*crap*"].mode -- is this ok?
-
- setmetatableindex(tex.modes, function(t,k)
- local m = modes[k]
- if m then
- return m()
- else
- local n = "mode>" .. k
- if cache[n].mode == 0 then
- return false
- else
- modes[k] = function() return texgetcount(n) == 1 end
- return texgetcount(n) == 1 -- 2 is prevented
- end
- end
- end)
-
- setmetatableindex(tex.systemmodes, function(t,k)
- local m = systemmodes[k]
- if m then
- return m()
- else
- local n = "mode>*" .. k
- if cache[n].mode == 0 then
- return false
- else
- systemmodes[k] = function() return texgetcount(n) == 1 end
- return texgetcount(n) == 1 -- 2 is prevented
- end
- end
- end)
-
- setmetatableindex(tex.constants, function(t,k)
- return cache[k].mode ~= 0 and texgetcount(k) or 0
- end)
-
- setmetatableindex(tex.conditionals, function(t,k) -- 0 == true
- return cache[k].mode ~= 0 and texgetcount(k) == 0
- end)
-
- table.setmetatableindex(tex.ifs, function(t,k)
- -- local mode = cache[k].mode
- -- if mode == 0 then
- -- return nil
- -- else
- -- return mode == iftrue
- -- end
- return cache[k].mode == iftrue
- end)
-
- setmetatableindex(tex.isdefined, function(t,k)
- return k and cache[k].mode ~= 0
- end)
-
- setmetatablecall(tex.isdefined, function(t,k)
- return k and cache[k].mode ~= 0
- end)
-
- local dimencode = cache["scratchdimen" ].command
- local countcode = cache["scratchcounter"].command
- local tokencode = cache["scratchtoken" ].command
- local skipcode = cache["scratchskip" ].command
-
- local types = {
- [dimencode] = "dimen",
- [countcode] = "count",
- [tokencode] = "token",
- [skipcode ] = "skip",
- }
-
- function tex.isdimen(name)
- return cache[name].command == dimencode
- end
-
- function tex.iscount(name)
- return cache[name].command == countcode
- end
-
- function tex.istoken(name)
- return cache[name].command == tokencode
- end
-
- function tex.isskip(name)
- return cache[name].command == skipcode
- end
-
- function tex.type(name)
- return types[cache[name].command] or "macro"
- end
-
--- else
---
--- local csname_id = token.csname_id
--- local create = token.create
---
--- local undefined = csname_id("*undefined*crap*")
--- local iftrue = create("iftrue")[2] -- inefficient hack
---
--- setmetatableindex(tex.modes, function(t,k)
--- local m = modes[k]
--- if m then
--- return m()
--- else
--- local n = "mode>" .. k
--- if csname_id(n) == undefined then
--- return false
--- else
--- modes[k] = function() return texgetcount(n) == 1 end
--- return texgetcount(n) == 1 -- 2 is prevented
--- end
--- end
--- end)
---
--- setmetatableindex(tex.systemmodes, function(t,k)
--- local m = systemmodes[k]
--- if m then
--- return m()
--- else
--- local n = "mode>*" .. k
--- if csname_id(n) == undefined then
--- return false
--- else
--- systemmodes[k] = function() return texgetcount(n) == 1 end
--- return texgetcount(n) == 1 -- 2 is prevented
--- end
--- end
--- end)
---
--- setmetatableindex(tex.constants, function(t,k)
--- return csname_id(k) ~= undefined and texgetcount(k) or 0
--- end)
---
--- setmetatableindex(tex.conditionals, function(t,k) -- 0 == true
--- return csname_id(k) ~= undefined and texgetcount(k) == 0
--- end)
---
--- setmetatableindex(tex.ifs, function(t,k)
--- -- k = "if" .. k -- better not
--- return csname_id(k) ~= undefined and create(k)[2] == iftrue -- inefficient, this create, we need a helper
--- end)
---
--- setmetatableindex(tex.isdefined, function(t,k)
--- return k and csname_id(k) ~= undefined
--- end)
--- setmetatablecall(tex.isdefined, function(t,k)
--- return k and csname_id(k) ~= undefined
--- end)
---
--- local lookuptoken = token.lookup
---
--- local dimencode = lookuptoken("scratchdimen" )[1]
--- local countcode = lookuptoken("scratchcounter")[1]
--- local tokencode = lookuptoken("scratchtoken" )[1]
--- local skipcode = lookuptoken("scratchskip" )[1]
---
--- local types = {
--- [dimencode] = "dimen",
--- [countcode] = "count",
--- [tokencode] = "token",
--- [skipcode ] = "skip",
--- }
---
--- function tex.isdimen(name)
--- return lookuptoken(name)[1] == dimencode
--- end
---
--- function tex.iscount(name)
--- return lookuptoken(name)[1] == countcode
--- end
---
--- function tex.istoken(name)
--- return lookuptoken(name)[1] == tokencode
--- end
---
--- function tex.isskip(name)
--- return lookuptoken(name)[1] == skipcode
--- end
---
--- function tex.type(name)
--- return types[lookuptoken(name)[1]] or "macro"
--- end
---
--- end
-
-function context.setconditional(name,value)
- if value then
- context.settruevalue(name)
- else
- context.setfalsevalue(name)
- end
-end
-
----- arg = P("{") * C(patterns.nested) * P("}") + Cc("")
-
-local sep = S("), ")
-local str = C((1-sep)^1)
-local tag = P("(") * C((1-S(")" ))^1) * P(")")
-local arg = P("(") * C((1-S("){"))^1) * P("{") * C((1-P("}"))^0) * P("}") * P(")")
-
-local pattern = (
- P("lua") * tag / context.luasetup
- + P("xml") * arg / context.setupwithargument -- or xmlw as xmlsetup has swapped arguments
- + (P("tex") * tag + str) / context.texsetup
- + sep^1
-)^1
-
-interfaces.implement {
- name = "autosetups",
- actions = function(str) lpegmatch(pattern,str) end,
- arguments = "string"
-}
-