2016-12-29 22:50:47 +01:00
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local function parse_zeile(marken, imms, z, ip)
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2016-11-13 14:42:57 +01:00
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-- Kommentar entfernen
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local komment = z:find";"
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if komment then
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z = z:sub(1, komment-1)
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end
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z = z:trim()
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if #z == 0 then
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return {}
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end
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-- Marke erkennen
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local marke = z:find":"
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if marke then
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2016-12-28 18:27:41 +01:00
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local mname = z:sub(1, marke - 1)
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2016-12-29 22:50:47 +01:00
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marken[mname] = ip
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2016-11-13 14:42:57 +01:00
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z = z:sub(marke+1):trim()
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if #z == 0 then
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return {}
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end
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end
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-- Befehl erkennen
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local immn = #imms+1
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local befehl = z
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local args
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local leernb = z:find" "
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if leernb then
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befehl = z:sub(1, leernb - 1)
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-- Argument(e) erkennen
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z = z:sub(leernb+1):trim()
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args = z:split","
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for i = 1,#args do
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local arg = args[i]:trim()
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if #arg == 0
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or arg == "false" then
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arg = false
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elseif arg == "true" then
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arg = true
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elseif arg:sub(1, 1) == "$" then
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imms[immn] = arg:sub(2)
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arg = immn
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immn = immn+1
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elseif tonumber(arg) then
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imms[immn] = tonumber(arg)
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arg = immn
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immn = immn+1
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end
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args[i] = arg
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end
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end
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return {befehl, args}
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end
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2017-04-13 23:05:50 +02:00
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local function zeileniter(text)
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return function()
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if not text then
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return
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end
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local umbruch = text:find"\n"
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if not umbruch then
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local rv = text
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text = nil
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return rv
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end
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local rv = text:sub(1, umbruch-1)
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text = text:sub(umbruch+1)
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return rv
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end
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end
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2016-11-13 14:42:57 +01:00
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return function(programm)
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local imms = {}
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local marken = {}
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-- Programm erkennen
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2016-12-28 18:27:41 +01:00
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local anz = 0
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local liste = {}
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2017-04-13 23:05:50 +02:00
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local zn = 1
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for zeile in zeileniter(programm) do
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local befehl = parse_zeile(marken, imms, zeile, anz + 1)
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2016-12-28 18:27:41 +01:00
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if befehl[1] then
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2017-04-13 23:05:50 +02:00
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befehl[3] = zn -- Zeilennummer für Fehlernachrichten
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2016-12-28 18:27:41 +01:00
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anz = anz + 1
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liste[anz] = befehl
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end
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2017-04-13 23:05:50 +02:00
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zn = zn+1
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2016-11-13 14:42:57 +01:00
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end
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local immn = #imms+1
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-- Marken durch immediates ersetzen
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2016-12-28 18:27:41 +01:00
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for i = 1,anz do
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2016-11-13 14:42:57 +01:00
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local args = liste[i][2]
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if args then
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for i = 1,#args do
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local mwert = marken[args[i]]
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if mwert then
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imms[immn] = mwert
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args[i] = immn
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immn = immn+1
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end
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end
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end
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end
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return {imms, liste}
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end
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