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if not modules then modules = { } end modules ['toks-aux'] = {
version = 1.001,
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local type, tostring, next = type, tostring, next
local max = math.max
local formatters, gsub, char, gmatch = string.formatters, string.gsub, string.char, string.gmatch
local concat = table.concat
do
-- tex.magicconstants = { -- we use tex.constants for something else
-- running = -1073741824, -- null_flag
-- maxdimen = 1073741823, -- max_dimen
-- -- trueinch = 4736286, -- obsolete
-- }
local c = status.getconstants()
local t = { }
for k, v in next, c do
t[gsub(k,"_","")] = v
end
tex.magicconstants = table.setmetatableindex(t,c)
end
-- todo : locals from scanners
local function flags(t)
if type(t) == "string" then
t = token.create(t)
end
local r = { }
if t.frozen then r[#r+1] = "frozen" end
if t.permanent then r[#r+1] = "permanent" end
if t.immutable then r[#r+1] = "immutable" end
if t.primitive then r[#r+1] = "primitive" end
if t.mutable then r[#r+1] = "mutable" end
if t.noaligned then r[#r+1] = "noaligned" end
if t.instance then r[#r+1] = "instance" end
if t.tolerant then r[#r+1] = "tolerant" end
if t.protected then r[#r+1] = "protected" end
if t.constant then r[#r+1] = "constant" end
return r
end
tokens.flags= flags
interfaces.implement {
name = "showluatokens",
public = true,
protected = true,
actions = function()
local f0 = formatters["%s: %s"]
local nl = logs.newline
local wr = logs.writer
local t = token.peeknext() -- local t = token.scannext() token.putback(t)
local n = ""
local w = ""
local c = t.cmdname
if c == "left_brace" then
w = "given token list"
t = token.scantoks(false)
elseif c == "register_toks" then
token.scannext()
w = "token register"
n = t.csname or t.index
t = tex.gettoks(n,true)
elseif c == "internal_toks" then
token.scannext()
w = "internal token variable"
n = t.csname or t.index
t = tex.gettoks(n,true)
else
n = token.scancsname()
local r = flags(t)
local m = token.getmeaning(n,true)
r[#r+1] = "control sequence"
if type(m) == "table" then
t = m
else
t = { t }
end
w = concat(r, " ")
end
wr(f0(w,n))
nl()
if type(t) == "table" then
local w1 = 4
local w2 = 1
local w3 = 3
local w4 = 3
for i=1,#t do
local ti = t[i]
w1 = max(w1,#tostring(ti.id))
w2 = max(w2,#tostring(ti.command))
w3 = max(w3,#tostring(ti.index))
w4 = max(w4,#ti.cmdname)
end
local f1 = formatters["%" .. w1 .. "i %" .. w2 .. "i %" .. w3 .. "i %-" .. w4 .. "s %s"]
local f2 = formatters["%" .. w1 .. "i %" .. w2 .. "i %" .. w3 .. "i %-" .. w4 .. "s"]
local f3 = formatters["%" .. w1 .. "i %" .. w2 .. "i %" .. w3 .. "i %-" .. w4 .. "s %C"]
for i=1,#t do
local ti = t[i]
local cs = ti.csname
local id = ti.id
local ix = ti.index
local cd = ti.command
local cn = ti.cmdname
if cn == "prefix" and not cs then
cs = "always enforced"
end
cn = gsub(cn,"_"," ")
if cs then
wr(f1(id,cd,ix,cn,cs))
elseif cn == "letter" or cn == "other char" then
wr(f3(id,cd,ix,cn,ix))
elseif cn == "match" then
-- needs checking for additions
local s
if ix == 32 then s = "optional spacer" -- space
elseif ix == 42 then s = "skip spaces" -- *
elseif ix == 43 then s = "keep braces" -- +
elseif ix == 45 then s = "thrash" -- -
elseif ix == 47 then s = "prune" -- /
elseif ix == 58 then s = "continue" -- :
elseif ix == 59 then s = "quit" -- ;
elseif ix == 61 then s = "mandate braces" -- =
elseif ix == 94 then s = "keep spaces" -- ^
elseif ix == 95 then s = "keep mandate braces" -- _
else s = "argument " .. char(ix)
end
wr(f1(id,cd,ix,cn,s))
else
wr(f2(id,cd,ix,cn))
if cn == "end match" then
wr("--------------")
end
end
end
nl()
end
end
}
-- For the moment here, will move to initex only (also see node-ini.lua); we need
-- to actually store these.
local context = context
local function getthem(getter,post)
local codes = { }
if getter then
local texintegerdef = tex.integerdef
for k, v in next, getter() do
codes[k] = gsub(v,"[_ ]","")
end
if post and post ~= "" then
if environment.initex then
for k, v in next, codes do
texintegerdef(v .. post,k,"immutable")
end
end
interfaces.implement {
name = post .. "string",
public = true,
arguments = "integer",
actions = function(i)
context(codes[i] or "unknown")
end
}
end
end
return utilities.storage.allocate(table.swapped(codes,codes))
end
-- Not all of these make sense at the tex end (can't be set).
tex.glyphoptioncodes = getthem(tex.getglyphoptionvalues, "glyphoptioncode")
tex.discoptioncodes = getthem(tex.getdiscoptionvalues, "discoptioncode")
tex.glueoptioncodes = getthem(tex.getglueoptionvalues )
tex.mathoptioncodes = getthem(tex.getmathoptionvalues )
tex.penaltyoptioncodes = getthem(tex.getpenaltyoptionvalues )
tex.flagcodes = getthem(tex.getflagvalues, "flagcode" )
tex.frozenparcodes = getthem(tex.getfrozenparvalues, "frozenparcode")
tex.groupcodes = getthem(tex.getgroupvalues, "groupcode")
tex.hyphenationcodes = getthem(tex.gethyphenationvalues, "hyphenationcode")
tex.mathcontrolcodes = getthem(tex.getmathcontrolvalues, "mathcontrolcode")
---.mathflattencodes = getthem(tex.getmathflattenvalues, "mathflattencode")
tex.noadoptioncodes = getthem(tex.getnoadoptionvalues )
tex.normalizelinecodes = getthem(tex.getnormalizelinevalues, "normalizecode") -- we keep the short name
tex.normalizeparcodes = getthem(tex.getnormalizeparvalues, "normalizeparcode")
tex.automigrationcodes = getthem(tex.getautomigrationvalues, "automigrationcode")
tex.parcontextcodes = getthem(tex.getparcontextvalues, "parcontextcode")
tex.textcontrolcodes = getthem(tex.gettextcontrolvalues )
tex.fitnesscodes = getthem(tex.getfitnessvalues )
tex.listanchorcodes = getthem(tex.getlistanchorvalues, "listanchorcode")
tex.listsigncodes = getthem(tex.getlistsignvalues, "listsigncode")
tex.classoptioncodes = getthem(tex.getmathclassoptionvalues, "classoptioncode")
---.alignmentcontextcodes = getthem(tex.getalignmentcontextvalues )
tex.specialmathclasscodes = getthem(tex.getspecialmathclassvalues )
tex.directioncodes = getthem(tex.getdirectionvalues )
tex.fillcodes = getthem(tex.getfillvalues )
tex.mathparametercodes = getthem(tex.getmathparametervalues )
tex.breakcodes = getthem(tex.getbreakcontextvalues )
function tex.stringtocodesbitmap(str,codes)
local bitmap = 0
if codes then
if not str or str == "" then
-- zero
elseif str == "all" then
for k in next, codes do
if type(k) == "number" then
bitmap = bitmap | k
end
end
else
str = gsub(str,"[_ ]","")
for s in gmatch(str,"[^%,]+") do
local b = codes[s]
if b then
bitmap = bitmap | b
end
end
end
end
return bitmap
end
|
