Module:izh-decl

local export = {} local m_izh = require("Module:izh")

local function get_stem(word, ending) if mw.ustring.match(word, ending .. "$") then return word:sub(1, #word - #ending) end error("Unexpected ending for this inflection type! Wrong type?") end

local function elongate(stem, condition) if condition == nil or condition then -- already long? if mw.ustring.match(stem, m_izh.vowel .. m_izh.vowel .. "$") then for k, v in pairs(m_izh.vowel_sequences) do if mw.ustring.find(stem, v .. "$", pos) then return stem end end end return stem .. mw.ustring.sub(stem, -1) else return stem end end

local function frontalize(w, vh) if vh == "ä" then w = mw.ustring.gsub(w, "[aou]", { a = "ä", o = "ö", u = "y" }) end return w end

local function geminate(c) if mw.ustring.match(c, m_izh.consonant .. m_izh.consonant .. "$") then return c	end return c .. mw.ustring.sub(c, -1) end

local function join(...) local t = {} for _, s in ipairs({...}) do		if type(s) == "table" then for _, v in ipairs(s) do				table.insert(t, v)			end else table.insert(t, s)		end end return t end

local function append(t, x)	if not x then return t end if type(t) == "string" then return t .. x	end local r = {} for _, v in ipairs(t) do table.insert(r, v .. x)	end return r end

local function elongate_all(t) if type(t) == "string" then return elongate(t) end local r = {} for _, v in ipairs(t) do		table.insert(r, elongate(v)) end return r end

local function make_gradation(s, w)	if s == w then return "no gradation" else return s .. "-" .. w .. " gradation" end end

local function get_geminated(data, w, fallback) if data.geminate == false then return fallback end if data.headword then local gemprefix = mw.ustring.len(data.title) - mw.ustring.len(data.headword) if gemprefix > 0 then local wp = mw.ustring.sub(w, 1, gemprefix) local wg = m_izh.guess_gemination(mw.ustring.sub(w, gemprefix + 1)) if not wg then return fallback end return wp .. wg		end end return m_izh.guess_gemination(w) or fallback end

local function get_elongation(data, w)	if data.elongate == false then return false end if data.headword then local gemprefix = mw.ustring.len(data.title) - mw.ustring.len(data.headword) if gemprefix > 0 then return m_izh.guess_elongation(mw.ustring.sub(w, gemprefix + 1)) end end return m_izh.guess_elongation(w) end

local function process(data, result, vh) local vh = data.vh	-- genitive singular/plural stem local gs = result.stem_gs local gp = result.stem_gp -- partitive singular/plural stem local ps = result.stem_ps local pp = result.stem_pp -- oblique plural stem local op = result.stem_op or pp	-- illative singular/plural stem local is = result.stem_is or gs	local ip = result.stem_ip or op	-- allative/inessive singular/plural stem local as = result.stem_as or gs	local ap = result.stem_ap or op	-- essive singular/plural stem local es = result.stem_es or is	local ep = result.stem_ep or ip	-- exessive singular/plural stem local xs = result.stem_xs or (result.exe_weak and gs or es) local xp = result.stem_xp or (result.exe_weak and op or ep)

if not data.no_singular then result["nom_sg"] = { data.title } result["gen_sg"] = append(gs, "n") result["par_sg"] = append(ps, vh) if result.par_short_ok then result["par_sg"] = join(result["par_sg"], ps) end if result.ill_short or result.ill_short_sg then result["ill_sg"] = append(is, result.ill_ending or result.ill_ending_sg or nil) else result["ill_sg"] = append(elongate_all(is), result.ill_ending or result.ill_ending_sg or nil) end result["ine_sg"] = append(as, "s") result["ela_sg"] = append(gs, "st") result["all_sg"] = append(gs, "lle") result["ade_sg"] = append(as, "l") result["abl_sg"] = append(gs, "lt") result["tra_sg"] = append(gs, "ks") result["ess_sg"] = join(append(es, "nn" .. vh), append(elongate_all(is), "n")) result["exe_sg"] = append(xs, "nt") end

if not data.no_plural then result["nom_pl"] = append(gs, "t") result["gen_pl"] = append(gp, "n") result["par_pl"] = append(pp, vh) if result.ill_short then result["ill_pl"] = append(ip, result.ill_ending or result.ill_ending_pl or nil) else result["ill_pl"] = append(elongate_all(ip), result.ill_ending or result.ill_ending_pl or nil) end result["ine_pl"] = append(ap, "s") result["ela_pl"] = append(op, "st") result["all_pl"] = append(op, "lle") result["ade_pl"] = append(ap, "l") result["abl_pl"] = append(op, "lt") result["tra_pl"] = append(op, "ks") result["ess_pl"] = join(append(ep, "nn" .. vh), append(elongate_all(ip), "n")) result["exe_pl"] = append(xp, "nt") end

return result end

local function guess_illative_weight(stem) local syllables = m_izh.split_syllables(stem) return #syllables % 2 == 1 and mw.ustring.find(stem, m_izh.vowel .. m_izh.vowel .. "$") and mw.ustring.sub(stem, -2, -2) ~= mw.ustring.sub(stem, -1, -1) end

local function generate_hv_illative_forms(result, data, stems, weights, ending, short) local outputs = {}

for i, stem in ipairs(stems) do		local weight = weights[i]

if not short then stem = elongate(stem) end

if weight == nil then local guess = stem if data.headword then guess = mw.ustring.sub(guess, 1 + mw.ustring.len(data.title) - mw.ustring.len(data.headword)) end weight = guess_illative_weight(guess) end

if weight then table.insert(outputs, stem .. ending) else table.insert(outputs, stem) end end

return outputs end

-- -hV illative ending is only sometimes evident local function generate_hv_illative(result, data, stem_s, weight_s, stem_p, weight_p) if not data.no_singular and stem_s then result["ill_sg"] = generate_hv_illative_forms(result, data, stem_s, weight_s, result.ill_ending_sg or result.ill_ending or "", result.ill_short_sg or result.ill_short) end

if not data.no_plural and stem_p then result["ill_pl"] = generate_hv_illative_forms(result, data, stem_p, weight_p, result.ill_ending_pl or result.ill_ending or "", result.ill_short) end

return result end

-- inflection classes begin local inflections = {}

inflections["kärpäin"] = function (data) local result = { typeno = "1" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "iset") .. "in" end local stem = get_stem(word, "in") local sgem = "" if get_geminated(data, stem .. "ise", nil) then sgem = "s" end

result.stem_gs = stem .. "ise" result.stem_ps = stem .. "ist" result.stem_as = stem .. "is" .. sgem .. "ee"

result.stem_gp = stem .. "is" .. sgem .. "ii" result.stem_pp = stem .. "is" .. sgem .. "i" result.stem_ap = stem .. "is" .. sgem .. "ii"

result.par_short_ok = true result.exe_weak = true

return process(data, result) end

inflections["jokahiin"] = function (data) local result = { typeno = "1" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "iset") .. "iin" end local stem = get_stem(word, "iin") if ((data.geminate == true and mw.ustring.match(stem, "m$")) or (data.geminate ~= false and mw.ustring.match(stem, "mm$"))) then stem = get_stem(stem, "m") end local sgem = "" if get_geminated(data, stem .. "ise", nil) then sgem = "s" end

result.stem_gs = stem .. "ise" result.stem_ps = stem .. "ist" result.stem_is = stem .. "is" .. sgem .. "e" result.stem_es = stem .. "ise"

result.stem_gp = stem .. "is" .. sgem .. "ii" result.stem_pp = stem .. "is" .. sgem .. "i" result.stem_op = stem .. "isi" result.stem_ip = stem .. "is" .. sgem .. "i" result.stem_ep = stem .. "isi"

result.par_short_ok = true

return process(data, result) end

inflections["kolmas"] = function (data) local result = { typeno = "2" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "nnet") .. "s" end local stem = get_stem(word, "s")

result.stem_gs = stem .. "nne" result.stem_ps = stem .. "tt" result.stem_is = stem .. "nte" result.stem_as = stem .. "nnee"

result.stem_gp = stem .. "nsii" result.stem_pp = stem .. "nsi" result.stem_ip = stem .. "nsii" result.stem_ap = stem .. "nsii"

result.exe_weak = true return process(data, result) end

inflections["mees"] = function (data) local result = { typeno = "2" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "het") .. "s" end local stem = get_stem(word, "s")

result.stem_gs = stem .. "he" result.stem_ps = stem .. "st" result.stem_as = stem .. "hee"

result.stem_gp = stem .. "hii" result.stem_pp = stem .. "hi" result.stem_ap = stem .. "hii"

result.par_short_ok = true result.exe_weak = true

return process(data, result) end

inflections["patsas"] = function (data) local result = { typeno = "2" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, "t") local final = mw.ustring.sub(word, -1, -1) word = get_stem(mw.ustring.sub(word, 1, -3), strong) .. weak .. final .. "s" end local final = mw.ustring.sub(word, -2, -2) if not mw.ustring.match(final, m_izh.vowel) then error("invalid penultimate character for tytär-type nominals (should be a vowel)") end local stem = get_stem(word, weak .. final .. "s") local longfinal = final .. final local gem = get_geminated(data, stem .. strong .. final, stem .. strong)

result.stem_gs = gem .. longfinal result.stem_ps = stem .. weak .. final .. "st" result.stem_is = gem .. longfinal

result.stem_gp = gem .. final .. "i" result.stem_pp = { result.stem_gp .. "t", stem .. strong .. final .. "j" } result.stem_op = result.stem_gp

result.par_short_ok = true result.ill_ending = "sse" result.exe_weak = true

result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return process(data, result) end

inflections["petos"] = function (data) local result = { typeno = "2" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "kset") .. "s" end local stem = get_stem(word, "s")

result.stem_gs = stem .. "kse" result.stem_ps = stem .. "st" result.stem_as = stem .. "ksee"

result.stem_gp = stem .. "ksii" result.stem_pp = stem .. "ksi" result.stem_ap = stem .. "ksii"

result.par_short_ok = true result.exe_weak = true

return process(data, result) end

inflections["oikehus"] = function (data) local result = { typeno = "2" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "et") .. "s" end local stem = get_stem(word, "s") local long = get_elongation(data, stem .. "e")

result.stem_gs = stem .. "e" result.stem_ps = stem .. "tt" result.stem_as = elongate(result.stem_gs, long)

result.stem_gp = stem .. "ksi" result.stem_pp = result.stem_gp result.stem_ap = stem .. "ksii"

result.exe_weak = true

return process(data, result) end

inflections["kana"] = function (data) local result = { typeno = "3" } local word = data.title local strong = data.args[1] or error("must specify strong grade") local weak = data.args[2] or error("must specify weak grade") local vh = data.vh	if data.no_singular then -- plural title -> singular word = get_stem(word, weak .. vh .. "t") .. strong .. vh	end local stem = get_stem(word, strong .. vh) local gem = get_geminated(data, word, stem .. strong) local long = get_elongation(data, stem .. weak .. vh)

result.stem_gs = stem .. weak .. vh result.stem_ps = gem .. vh result.stem_is = gem .. vh result.stem_as = elongate(stem .. weak .. vh, long) result.stem_es = stem .. strong .. vh

result.stem_gp = gem .. frontalize("oi", vh) result.stem_pp = stem .. strong .. frontalize("oj", vh) result.stem_ip = result.stem_gp result.stem_op = stem .. weak .. frontalize("oi", vh) result.stem_ep = stem .. strong .. frontalize("oi", vh)

result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong

result.ill_ending_pl = "he" return generate_hv_illative(process(data, result), data,								nil, nil,							   { result.stem_ip }, { nil }) end

inflections["koira"] = function (data) local result = { typeno = "3" } local word = data.title local strong = data.args[1] or error("must specify strong grade") local weak = data.args[2] or error("must specify weak grade") local vh = data.vh	if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, weak .. vh .. "t") .. strong .. vh	end local stem if mw.ustring.match(word, vh .. "$") then stem = get_stem(word, strong .. vh) else stem = get_stem(word, strong) end local gem = get_geminated(data, word, stem .. strong) local long = get_elongation(data, stem .. weak .. vh)

result.stem_gs = stem .. weak .. vh result.stem_ps = gem .. vh	result.stem_is = result.stem_ps result.stem_as = elongate(result.stem_gs, long) result.stem_es = stem .. strong .. vh

result.stem_gp = gem .. "ii" result.stem_pp = gem .. "i" result.stem_op = stem .. weak .. "i" result.stem_ip = result.stem_pp result.stem_ap = elongate(stem .. weak .. "i", long) result.stem_ep = stem .. strong .. "i"

result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return process(data, result) end

inflections["koivu"] = function (data) local result = { typeno = "4" } local word = data.title local strong = data.args[1] or error("must specify strong grade") local weak = data.args[2] or error("must specify weak grade") local vh = data.vh	if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, "t") local final = mw.ustring.sub(word, -1, -1) word = get_stem(mw.ustring.sub(word, 1, -2), weak) .. strong .. final end local final = mw.ustring.sub(word, -1, -1) local stem = get_stem(word, strong .. final) local gem = get_geminated(data, word, stem .. strong) local long = get_elongation(data, stem .. weak .. final)

result.stem_gs = stem .. weak .. final result.stem_ps = gem .. final result.stem_is = result.stem_ps result.stem_as = elongate(stem .. weak .. final, long) result.stem_es = stem .. strong .. final

result.stem_gp = { gem .. final .. "i", stem .. strong .. final .. frontalize("loi", vh) } result.stem_pp = { stem .. strong .. final .. "j", stem .. strong .. final .. frontalize("loj", vh) } result.stem_op = { stem .. weak .. final .. "i", stem .. strong .. final .. frontalize("loi", vh) } result.stem_ip = result.stem_gp result.stem_ap = result.stem_op result.stem_ep = { stem .. strong .. final .. "i", stem .. strong .. final .. frontalize("loi", vh) }

result.ill_ending_pl = "he"

result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return generate_hv_illative(process(data, result), data,								nil, nil,								result.stem_ip, { nil, true }) end

inflections["keeli"] = function (data) local result = { typeno = "5" } local word = data.title local vh = data.vh	if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, "et") .. "i" end local stem, final if mw.ustring.match(word, "i$") then stem, final = mw.ustring.match(word, "(.-)(" .. m_izh.consonant .. "+)i$") elseif mw.ustring.match(word, m_izh.consonant .. "$") then stem, final = mw.ustring.match(word, "(.-)(" .. m_izh.consonant .. "+)$")	else error("keeli-type nominals may only end in i or a consonant!") end if not final then error("keeli-type, but has no consonant?") end local base = stem .. final local gem = get_geminated(data, base .. "e", base) local long = get_elongation(data, base .. "e")

result.stem_gs = stem .. final .. "e" if mw.ustring.match(final, "[kpt]s") then result.stem_ps = stem .. "st" elseif final == "m" then result.stem_ps = stem .. "nt" else result.stem_ps = base .. "t" end result.stem_is = gem .. "e" result.stem_as = long and gem .. "ee" or base .. "e" result.stem_es = base .. "e"

result.stem_gp = { gem .. "ii", base .. frontalize("iloi", vh) } result.stem_pp = { gem .. "i", base .. frontalize("iloj", vh) } result.stem_op = { base .. "i", base .. frontalize("iloi", vh) } result.stem_ip = { gem .. "i", base .. frontalize("iloi", vh) } result.stem_ap = { long and gem .. "ii" or base .. "i", base .. frontalize("iloi", vh) } result.stem_ep = { base .. "i", base .. frontalize("iloi", vh) }

result.exe_weak = true result.par_short_ok = true result.ill_ending_pl = "he"

result.geminate = gem ~= base return generate_hv_illative(process(data, result), data,								nil, nil,								result.stem_ip, { nil, true }) end

local vesi_strong = {["s"] = "t", ["ls"] = "lt", ["ns"] = "nt", ["rs"] = "rt"} local vesi_weak = {["s"] = "", ["ls"] = "ll", ["ns"] = "nn", ["rs"] = "rr"} inflections["vesi"] = function (data) local result = { typeno = "5" } local word = data.title local vh = data.vh	if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, "et") if mw.ustring.match(word, "rr$") then word = mw.ustring.sub(word, 1, -3) .. "rsi" elseif mw.ustring.match(word, "nn$") then word = mw.ustring.sub(word, 1, -3) .. "nsi" elseif mw.ustring.match(word, "ll$") then word = mw.ustring.sub(word, 1, -3) .. "lsi" elseif mw.ustring.match(word, "[ouöy]vv$") then word = mw.ustring.sub(word, 1, -3) .. "si" elseif mw.ustring.match(word, "vv$") then word = mw.ustring.sub(word, 1, -3) .. frontalize("u", vh) .. "si" elseif mw.ustring.match(word, "ij$") then word = mw.ustring.sub(word, 1, -3) .. "isi" else word = word .. "si" end end local stem, prefinal, final, strong, weak if mw.ustring.match(word, "si$") then stem, prefinal, final = mw.ustring.match(word, "(.-)(" .. m_izh.vowel .. "+)(" .. m_izh.consonant .. "+)i$") elseif mw.ustring.match(word, "s$") then stem, prefinal, final = mw.ustring.match(word, "(.-)(" .. m_izh.vowel .. "+)(" .. m_izh.consonant .. "+)$")	end if not final then error("invalid vesi-type nominal") end local strong = vesi_strong[final] or error("final consonant not supported") local weak = vesi_weak[final] or error("final consonant not supported") local glide = prefinal if weak == "" then if mw.ustring.match(prefinal, "[oö][oö]$") or mw.ustring.match(prefinal, "[uy][uy]$") then weak = "vv" elseif mw.ustring.match(prefinal, m_izh.vowel .. "[uy]$") then weak = "vv" glide = mw.ustring.sub(glide, 1, -2) elseif mw.ustring.match(prefinal, m_izh.vowel .. "i$") then weak = "j" end end

local raw_stem = stem .. prefinal local raw_stem_syllables = m_izh.split_syllables(raw_stem) local long_essive = not m_izh.is_heavy_syllable(raw_stem_syllables[#raw_stem_syllables]) local weak_stem = stem .. glide .. weak local strong_stem = stem .. prefinal .. strong local plain_stem = stem .. prefinal .. final local plain_gem_stem = get_geminated(data, plain_stem .. "e", plain_stem) local strong_gem_stem = get_geminated(data, strong_stem .. "e", strong_stem)

local long = get_elongation(data, stem .. prefinal .. weak .. "e")

result.stem_gs = weak_stem .. "e" result.stem_ps = strong_stem .. "t" result.stem_is = strong_gem_stem .. "e" result.stem_as = elongate(weak_stem .. "e", long) result.stem_es = long_essive and strong_gem_stem .. "ee" or strong_stem .. "e" result.stem_xs = strong_gem_stem .. "e"

result.stem_gp = { plain_gem_stem .. "ii", plain_stem .. frontalize("iloi", vh) } result.stem_pp = { plain_gem_stem .. "i", plain_stem .. frontalize("iloj", vh) } result.stem_op = { plain_stem .. "i", plain_stem .. frontalize("iloi", vh) } result.stem_ip = { plain_gem_stem .. "i", plain_stem .. frontalize("iloi", vh) } result.stem_ap = { elongate(plain_stem .. "i", long), plain_stem .. frontalize("iloi", vh) } result.stem_ep = { long_essive and plain_gem_stem .. "ii" or plain_stem .. "i", plain_stem .. frontalize("iloi", vh) } result.stem_xp = { plain_gem_stem .. "i", plain_stem .. frontalize("iloi", vh) }

if weak == "vv" then result.grade = make_gradation(prefinal .. strong, glide .. weak) elseif weak == "j" then result.grade = make_gradation("i" .. strong, "i" .. weak) else result.grade = make_gradation(strong, weak) end result.ill_ending_pl = "he" return generate_hv_illative(process(data, result), data,								nil, nil,							   result.stem_ip, { nil, true }) end

inflections["lehti"] = function (data) local result = { typeno = "5" } local word = data.title local strong = data.args[1] or error("must specify strong grade") local weak = data.args[2] or error("must specify weak grade") if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, weak .. "et") .. strong .. "i" end local vh = data.vh	local stem if mw.ustring.match(word, "i$") then stem = get_stem(word, strong .. "i") else stem = get_stem(word, strong) end local gem = get_geminated(data, word, stem .. strong) local long = get_elongation(data, stem .. weak .. "e")

result.stem_gs = stem .. weak .. "e" result.stem_ps = gem .. "i" result.stem_is = gem .. "ee" result.stem_as = elongate(stem .. weak .. "e", long) result.stem_es = stem .. strong .. "e"

result.stem_gp = { gem .. "ii", stem .. strong .. frontalize("iloi", vh) } result.stem_pp = { stem .. strong .. "ij", stem .. strong .. frontalize("iloj", vh) } result.stem_op = { stem .. weak .. "i", stem .. strong .. frontalize("iloi", vh) } result.stem_ip = { gem .. "ii", stem .. strong .. frontalize("iloi", vh) } result.stem_ap = { elongate(stem .. weak .. "i", long), stem .. strong .. frontalize("iloi", vh)} result.stem_ep = { stem .. strong .. "i", stem .. strong .. frontalize("iloi", vh) }

result.ill_ending = "" result.ill_ending_pl = "he" result.ill_short_sg = true

result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return generate_hv_illative(process(data, result), data,								nil, nil,							   result.stem_ip, { nil, true }) end

inflections["vahti"] = function (data) local result = { typeno = "5" } local word = data.title local strong = data.args[1] or error("must specify strong grade") local weak = data.args[2] or error("must specify weak grade") if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, weak .. "it") .. strong .. "i" end local vh = data.vh	local stem if mw.ustring.match(word, "i$") then stem = get_stem(word, strong .. "i") else stem = get_stem(word, strong) end local gem = get_geminated(data, word, stem .. strong) local long = get_elongation(data, stem .. weak .. "i")

result.stem_gs = stem .. weak .. "i" result.stem_ps = gem .. "i" result.stem_is = gem .. "i" result.stem_as = elongate(stem .. weak .. "i", long) result.stem_es = stem .. strong .. "i"

result.stem_gp = { gem .. "ii", stem .. strong .. frontalize("iloi", vh) } result.stem_pp = { stem .. strong .. "ij", stem .. strong .. frontalize("iloj", vh) } result.stem_op = { stem .. strong .. "ii", stem .. strong .. frontalize("iloi", vh) } result.stem_ip = result.stem_gp result.stem_ap = result.stem_op result.stem_ep = { stem .. strong .. "ii", stem .. strong .. frontalize("iloi", vh) }

result.ill_ending_pl = "he"

result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return generate_hv_illative(process(data, result), data,								nil, nil,								result.stem_ip, { nil, true }) end

inflections["lähe"] = function (data) local result = { typeno = "6" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") local stem, gem if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough gem = get_stem(word, "eet") stem = gem elseif mw.ustring.match(word, "e$") then stem = get_stem(word, weak .. "e") gem = get_geminated(data, stem .. strong .. "e", stem .. strong) else stem = get_stem(word, weak) gem = get_geminated(data, stem .. strong, stem .. strong) end

result.stem_gs = gem .. "ee" result.stem_ps = stem .. weak .. "ett"

result.stem_gp = gem .. "ei" result.stem_pp = result.stem_gp .. "t" result.stem_op = result.stem_gp

result.ill_ending = "sse" result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return process(data, result) end

inflections["kevät"] = function (data) local result = { typeno = "7" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") local final, stem, gem if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, "t") final = mw.ustring.sub(word, -2, -2) gem = mw.ustring.sub(word, 1, -3) stem = gem else final = mw.ustring.sub(word, -2, -2) stem = get_stem(word, weak .. final .. "t") gem = get_geminated(data, stem .. strong .. final, stem .. strong) end

result.stem_gs = gem .. final .. "e" result.stem_ps = stem .. weak .. final .. "tt" result.stem_as = result.stem_gs .. "e"

result.stem_gp = gem .. final .. "ei" result.stem_pp = result.stem_gp .. "t" result.stem_op = result.stem_gp

result.ill_short_sg = true result.ill_ending = "sse" result.grade = make_gradation(strong, weak) result.geminate = gem ~= stem .. strong return process(data, result) end

inflections["maa"] = function (data) local result = { typeno = "8" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "t") end local stem = mw.ustring.sub(word, 1, -2)

result.stem_gs = word result.stem_ps = word .. "t"

result.stem_gp = stem .. "ije" result.stem_pp = stem .. "it" result.stem_op = stem .. "i"

result.ill_ending_sg = "h" .. mw.ustring.sub(word, -1, -1) if result.ill_ending_sg == "hi" then result.ill_ending_sg = "he" end result.ill_ending_pl = "he" return generate_hv_illative(process(data, result), data,								{ result.stem_gs }, { true },								{ result.stem_op }, { true }) end

inflections["diikkoi"] = function (data) local result = { typeno = "8" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, "t") end local stem = mw.ustring.sub(word, 1, -2)

result.stem_gs = word result.stem_ps = word .. "t"

result.stem_gp = stem .. "i" result.stem_pp = stem .. "it" result.stem_op = stem .. "i"

result.ill_ending_sg = "h" .. mw.ustring.sub(word, -1, -1) if result.ill_ending_sg == "hi" then result.ill_ending_sg = "he" end result.ill_ending_pl = "he" return generate_hv_illative(process(data, result), data,								{ result.stem_gs }, { true },								{ result.stem_op }, { true }) end

inflections["yks"] = function (data) local result = { typeno = "9" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, vh .. "het") .. "ks" end local stem if mw.ustring.match(word, "i$") then stem = get_stem(word, "ksi") else stem = get_stem(word, "ks") end

result.stem_gs = stem .. "he" result.stem_ps = stem .. "ht" result.stem_is = stem .. "hte"

result.stem_gp = stem .. "ksii" result.stem_pp = stem .. "ksi" result.stem_op = stem .. "ksi" result.stem_ap = stem .. "ksii"

return process(data, result) end

inflections["kolt"] = function (data) local result = { typeno = "10" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, vh .. "met") .. "t" end local stem = get_stem(word, "t")

result.stem_gs = stem .. "me" result.stem_ps = stem .. "mi" result.stem_as = result.stem_gs .. "e"

result.stem_gp = stem .. "mii" result.stem_pp = stem .. "mi" result.stem_ap = result.stem_pp .. "i"

return process(data, result) end

inflections["kaheksan"] = function (data) local result = { typeno = "11" } local word = data.title local final = data.args[1] if data.no_singular then -- plural title -> singular word = get_stem(word, vh .. "t") if mw.ustring.sub(word, -1, -1) == "m" then word = mw.ustring.sub(word, 1, -2) .. "n" elseif mw.ustring.match(word, "[s]$") then word = word .. vh .. "n" end end local vh = data.vh	local stem if mw.ustring.match(word, vh .. "n$") then stem = get_stem(word, vh .. "n") final = final or "" else stem = get_stem(word, "n") final = final or "n" end

result.stem_gs = stem .. final .. vh	result.stem_ps = result.stem_gs result.stem_as = elongate(result.stem_gs)

result.stem_gp = stem .. final .. "ii" result.stem_pp = stem .. final .. "i" result.stem_ap = elongate(result.stem_pp)

return process(data, result) end

inflections["tytär"] = function (data) local result = { typeno = "12" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") if data.no_singular then -- plural title -> singular -- does not have to be perfect, plural forms being right is enough word = get_stem(word, "et") local coda = mw.ustring.sub(word, -1, -1) local final = mw.ustring.sub(word, -2, -2) word = get_stem(word, strong .. final .. coda) .. weak .. final .. coda end local final = mw.ustring.sub(word, -2, -2) local coda = mw.ustring.sub(word, -1, -1) if coda ~= "l" and coda ~= "r" and coda ~= "n" then error("invalid final character for tytär-type nominals") end if not mw.ustring.match(final, m_izh.vowel) then error("invalid penultimate character for tytär-type nominals (should be a vowel)") end local stem = get_stem(word, weak .. final .. coda)

result.stem_gs = stem .. strong .. final .. coda .. "e" result.stem_ps = stem .. weak .. final .. coda .. "t" result.stem_as = elongate(result.stem_gs)

result.stem_gp = stem .. strong .. final .. coda .. "ii" result.stem_pp = stem .. strong .. final .. coda .. "i" result.stem_ap = elongate(result.stem_pp)

result.grade = make_gradation(strong, weak) return process(data, result) end

inflections["harmaa"] = function (data) local result = { typeno = "13" } local word = data.title if data.no_singular then -- plural title -> singular word = get_stem(word, vh .. "t") end local stem = mw.ustring.sub(word, 1, -2)

result.stem_gs = word result.stem_ps = word .. "t" result.stem_is = word

result.stem_gp = stem .. "i" result.stem_pp = stem .. "it" result.stem_op = stem .. "i" result.ill_ending = "sse" result.exe_weak = true return process(data, result) end

inflections["olt"] = function (data) local result = { typeno = "14" } local word = data.title if mw.ustring.sub(word, -2, -2) == "u" or mw.ustring.sub(word, -2, -2) == "y" then word = mw.ustring.sub(word, 1, -3) .. "t" end local long = data.args[1] or "" if long == "+" then long = mw.ustring.sub(word, -2, -2) word = mw.ustring.sub(word, 1, -2) .. long .. "t" end local vh = data.vh	if data.no_singular then --plural title -> singular word = get_stem(word, "eet") .. "t" if long ~= "+" then word = mw.ustring.sub(word, 1, -3) .. "t" end end local stem = get_stem(word, "t") local gem = get_geminated(data, stem .. "u", stem)

result.stem_gs = gem .. "ee" result.stem_ps = stem .. frontalize("u", vh) .. "tt" result.stem_is = result.stem_gs result.stem_es = result.stem_gs

result.stem_gp = gem .. "ei" result.stem_pp = gem .. "eit" result.stem_ip = result.stem_gp result.stem_op = result.stem_gp result.stem_ep = result.stem_gp

result.ill_ending = "sse" result.geminate = gem ~= stem return process(data, result) end

inflections["syän"] = function (data) local result = { typeno = "15" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") local final = mw.ustring.sub(word, -2, -2) if data.no_singular then -- plural title -> singular final = mw.ustring.sub(word, -4, -4) word = get_stem(word, strong .. final .. "met") .. weak .. final .. "n" end if not mw.ustring.match(final, m_izh.vowel) then error("invalid penultimate character for avvain-type nominals (should be a vowel)") end local stem = get_stem(word, weak .. final .. "n") local long = get_elongation(data, stem .. strong .. final .. "me") local gem if m_izh.guess_gemination(stem .. strong .. final .. "me") then gem = "m" else gem = "" end

result.stem_gs = stem .. strong .. final .. "me" result.stem_ps = stem .. weak .. final .. "nt" result.stem_is = stem .. weak .. final .. gem .. "me" result.stem_os = result.stem_gs result.stem_as = elongate(result.stem_gs, long) result.stem_es = result.stem_gs

result.stem_gp = stem .. strong .. final .. gem .. "mii" result.stem_pp = stem .. strong .. final .. gem .. "mi" result.stem_ip = stem .. strong .. final .. gem .. "mi" result.stem_ep = stem .. strong .. final .. "mi" result.stem_op = result.stem_ep result.stem_ap = elongate(result.stem_ep, long)

result.par_short_ok = true

result.grade = make_gradation(strong, weak)

return process(data, result) end

inflections["koitoin"] = function (data) local result = { typeno = "15" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") local final = mw.ustring.sub(word, -3, -3) local vh = data.vh	if not mw.ustring.match(final, m_izh.vowel) then error("invalid antepenultimate character for koitoin-type nominals (should be a vowel)") end if data.no_singular then -- plural title -> singular word = get_stem(word, strong .. final .. "mat") .. weak .. final .. "in" end local stem = get_stem(word, weak .. final .. "in") local gem = get_geminated(data, stem .. strong .. final .. "ma", stem .. strong .. final .. "m") local long = get_elongation(data, stem .. strong .. final .. "ma")

result.stem_gs = stem .. strong .. final .. "m" .. frontalize("a", vh) result.stem_ps = stem .. weak .. final .. "int" result.stem_is = gem .. frontalize("a", vh) result.stem_as = elongate(result.stem_gs, long) result.stem_es = result.stem_gs

result.stem_gp = gem .. "ii" result.stem_pp = gem .. "i" result.stem_ip = result.stem_pp result.stem_op = stem .. strong .. final .. "m" .. "i" result.stem_ap = elongate(result.stem_op, long) result.stem_ep = result.stem_op result.par_short_ok = true

result.grade = make_gradation(strong, weak)

return process(data, result) end

inflections["hapan"] = function (data) local result = { typeno = "15" } local word = data.title local weak = data.args[1] or error("must specify weak grade") local strong = data.args[2] or error("must specify strong grade") local final = mw.ustring.sub(word, -2, -2) local vh = data.vh	if not mw.ustring.match(final, m_izh.vowel) then error("invalid antepenultimate character for koitoin-type nominals (should be a vowel)") end if data.no_singular then -- plural title -> singular word = get_stem(word, strong .. final .. "m" .. frontalize("a", vh) .. "t") .. weak .. final .. "n" end local stem = get_stem(word, weak .. final .. "n") local long = get_elongation(data, stem .. strong .. final .. "ma")

result.stem_gs = stem .. strong .. final .. "m" .. frontalize("a", vh) result.stem_ps = stem .. weak .. final .. "nt" result.stem_is = result.stem_gs result.stem_as = elongate(result.stem_gs, long)

result.stem_gp = stem .. strong .. final .. "mii" result.stem_pp = stem .. strong .. final .. "mi" result.stem_ip = result.stem_pp result.stem_ap = elongate(result.stem_pp, long) result.par_short_ok = true

result.grade = make_gradation(strong, weak)

return process(data, result) end

-- inflection classes end

local infl_table = [=[{| class="inflection-table vsSwitcher" data-toggle-category="declension" style="border:1px solid #CCCCFF" !colspan=3 class="vsToggleElement" style="background:rgb(80%,80%,100%);text-align:left;"|Declension of ! style="width:11em;" | ! style="width:12em;" | singular ! style="width:12em;" | plural ! style="background:rgb(80%,80%,100%);width:11em" | nominative ! style="background:rgb(80%,80%,100%);" | genitive ! style="background:rgb(80%,80%,100%);" | partitive ! style="background:rgb(80%,80%,100%);" | illative ! style="background:rgb(80%,80%,100%);" | inessive ! style="background:rgb(80%,80%,100%);" | elative ! style="background:rgb(80%,80%,100%);" | allative ! style="background:rgb(80%,80%,100%);" | adessive ! style="background:rgb(80%,80%,100%);" | ablative ! style="background:rgb(80%,80%,100%);" | translative ! style="background:rgb(80%,80%,100%);" | essive ! style="background:rgb(80%,80%,100%);" | exessive1)
 * - class="vsHide" style="background:rgb(80%,80%,100%);vertical-align:top;"
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * style="width:12em" |
 * style="width:12em" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * - class="vsHide" style="background:rgb(95%,95%,100%);vertical-align:top;" |
 * colspan="3" style="background:rgb(80%,80%,100%);font-size:smaller" | 1) obsolete
 * ) the accusative corresponds with either the genitive ( sg ) or nominative ( pl )
 * ) the comitative is formed by adding the suffix ? or ? to the genitive.
 * }]=]
 * ) the comitative is formed by adding the suffix ? or ? to the genitive.
 * }]=]

local function link(text) return require("Module:links").full_link{ term = text, lang = m_izh.lang } end

local function mention(text) return require("Module:links").full_link({ term = text, lang = m_izh.lang }, "term") end

function export.show(frame) local infl_type = frame.args[1] or error("inflection class not specified") local infl = inflections[infl_type] or error("unsupported inflection type") local args = frame:getParent.args local title = args["title"] or mw.title.getCurrentTitle.text

local geminate, elongate, vh, headword if args["g"] == "1" then geminate = true elseif args["g"] == "0" or args["g"] == "-" then geminate = false else headword = args["g"] vh = m_izh.guess_vowel_harmony(headword or title) end if args["e"] == "1" then elongate = true elseif args["e"] == "0" or args["e"] == "-" then elongate = false else elongate = nil end if args["v"] then vh = args["v"] if vh ~= "a" and vh ~= "ä" then error("Invalid vowel harmony specification") end elseif not vh then vh = m_izh.guess_vowel_harmony(title) end

local data = { title = title, headword = headword, geminate = geminate, elongate = elongate, vh = vh, args = args }

if args["n"] then if args["n"] == "s" or args["n"] == "sg" then data.no_plural = true elseif args["n"] == "p" or args["n"] == "pl" then data.no_singular = true end end

local forms = infl(data)

local function repl(form) if form == "title" then return "'''" .. title .. "'''"		elseif form == "type" then if forms.irregular then return "irregular" end local s = "type " .. forms.typeno .. "/" .. mention(infl_type) if forms.grade then s = s .. ", " .. forms.grade else s = s .. ", " .. make_gradation(nil, nil) end if forms.geminate then s = s .. ", gemination" end return s		else local value = forms[form] if not value then return "&mdash;" elseif type(value) == "table" then local result = {} for _, f in ipairs(value) do					table.insert(result, link(f)) end return table.concat(result, ", ") else return link(value) end end end

local result = mw.ustring.gsub(infl_table, "", repl) result = mw.ustring.gsub(result, "{{m|izh|([^}]-)}}", mention) return result end

return export