200 lines
7.4 KiB
Lua
200 lines
7.4 KiB
Lua
-- authors: Luxinia Dev (Eike Decker & Christoph Kubisch)
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---------------------------------------------------------
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local funcdef = "([A-Za-z_][A-Za-z0-9_%.%:]*)%s*"
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local funccall = "([A-Za-z_][A-Za-z0-9_]*)%s*"
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local decindent = {
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['else'] = true, ['elseif'] = true, ['end'] = true}
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local incindent = {
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['else'] = true, ['elseif'] = true, ['for'] = true, ['do'] = true,
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['if'] = true, ['repeat'] = true, ['until'] = true, ['while'] = true}
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local function isfndef(str)
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local l
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local s,e,cap,par = string.find(str, "function%s+" .. funcdef .. "(%(.-%))")
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-- try to match without brackets now, but only at the beginning of the line
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if (not s) then
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s,e,cap = string.find(str, "^%s*function%s+" .. funcdef)
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end
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-- try to match "foo = function()"
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if (not s) then
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s,e,cap,par = string.find(str, funcdef .. "=%s*function%s*(%(.-%))")
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end
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if (s) then
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l = string.find(string.sub(str,1,s-1),"local%s+$")
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cap = cap .. " " .. (par or "(?)")
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end
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return s,e,cap,l
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end
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return {
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exts = {"lua", "rockspec"},
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lexer = wxstc.wxSTC_LEX_LUA,
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apitype = "lua",
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linecomment = "--",
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sep = "%.:",
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isfncall = function(str)
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return string.find(str, funccall .. "[%({'\"]")
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end,
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isfndef = isfndef,
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isdecindent = function(str)
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-- this handles three different cases:
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local term = str:match("^%s*(%w+)%s*$")
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-- (1) 'end', 'elseif', 'else'
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local match = term and decindent[term]
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-- (2) 'end)' and 'end}'
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if not term then term, match = str:match("^%s*(end)%s*([%)%}]+)%s*[,;]?") end
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-- (3) '},', '};', '),' and ');'
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if not term then match = str:match("^%s*[%)%}]+%s*[,;]?%s*$") end
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return match and 1 or 0, match and term and 1 or 0
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end,
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isincindent = function(str)
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local term = str:match("^%s*(%w+)[^%w]*")
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term = term and incindent[term] and 1 or 0
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local _, opened = str:gsub("([%{%(])", "%1")
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local _, closed = str:gsub("([%}%)])", "%1")
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local func = (isfndef(str) or str:match("[^%w]+function%s*%(")) and 1 or 0
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-- ended should only be used to negate term and func effects
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local ended = (term + func > 0) and str:match("[^%w]+end%s*$") and 1 or 0
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return opened - closed + func + term - ended
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end,
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typeassigns = function(editor)
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local line = editor:GetCurrentLine()
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line = line-1
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local scopestart = {"if","do","while","function", "local%s+function", "for", "else", "elseif"}
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local scopeend = {"end"}
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local iscomment = editor.spec.iscomment
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local assigns = {}
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-- iterate up until a line starts with scopestart
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-- always ignore lines whose first symbol is styled as comment
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local endline = line
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while (line >= 0) do
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local ls = editor:PositionFromLine(line)
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local s = bit.band(editor:GetStyleAt(ls),31)
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if (not iscomment[s]) then
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local tx = editor:GetLine(line)
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local leftscope
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for i,v in ipairs(scopestart) do
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if (tx:match("^"..v)) then
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leftscope = true
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end
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end
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if (leftscope) then
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break
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end
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end
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line = line -1
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end
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local added
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while (line <= endline) do
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local ls = editor:PositionFromLine(line)
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local s = bit.band(editor:GetStyleAt(ls),31)
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if (not iscomment[s]) then
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local tx = editor:GetLine(line) --= string
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-- check for assignments
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local varname = "([%w_%.]+)"
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local identifier = "([%w_%.:]+)"
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-- special hint
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local typ,var = tx:match("%s*%-%-=%s*"..varname.."%s+"..identifier)
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if (var and typ) then
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assigns[var] = typ
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added = true
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else
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-- real assignments
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local var,typ,rest = tx:match("%s*"..identifier.."%s*=%s*"..identifier.."(.*)")
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local comment = rest and rest:match(".*%-%-=%s*"..varname.."%s*$")
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local comma = rest and rest:match(".-%s*([,]*)%s*$")
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if (var and comment) then
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assigns[var] = comment
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added = true
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elseif (var and typ and comma=="") then
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class,func = typ:match(varname.."[%.:]"..varname)
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if (func) then
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local funcnames = {"new","load","create"}
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for i,v in ipairs(funcnames) do
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if (func:match("^"..v)) then
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assigns[var] = class
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added = true
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break
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end
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end
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elseif (assigns[typ]) then
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assigns[var] = assigns[typ]
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added = true
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end
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end
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end
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end
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line = line+1
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end
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return assigns
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end,
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lexerstyleconvert = {
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text = {wxstc.wxSTC_LUA_IDENTIFIER,},
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lexerdef = {wxstc.wxSTC_LUA_DEFAULT,},
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comment = {wxstc.wxSTC_LUA_COMMENT,
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wxstc.wxSTC_LUA_COMMENTLINE,
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wxstc.wxSTC_LUA_COMMENTDOC,},
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stringtxt = {wxstc.wxSTC_LUA_STRING,
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wxstc.wxSTC_LUA_CHARACTER,
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wxstc.wxSTC_LUA_LITERALSTRING,},
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stringeol = {wxstc.wxSTC_LUA_STRINGEOL,},
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preprocessor= {wxstc.wxSTC_LUA_PREPROCESSOR,},
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operator = {wxstc.wxSTC_LUA_OPERATOR,},
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number = {wxstc.wxSTC_LUA_NUMBER,},
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keywords0 = {wxstc.wxSTC_LUA_WORD,},
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keywords1 = {wxstc.wxSTC_LUA_WORD2,},
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keywords2 = {wxstc.wxSTC_LUA_WORD3,},
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keywords3 = {wxstc.wxSTC_LUA_WORD4,},
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keywords4 = {wxstc.wxSTC_LUA_WORD5,},
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keywords5 = {wxstc.wxSTC_LUA_WORD6,},
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keywords6 = {wxstc.wxSTC_LUA_WORD7,},
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keywords7 = {wxstc.wxSTC_LUA_WORD8,},
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},
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keywords = {
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[[and break do else elseif end for function goto if in local not or repeat return then until while]],
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[[_G _VERSION _ENV false io.stderr io.stdin io.stdout nil math.huge math.pi package.config
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package.cpath package.loaded package.loaders package.path package.preload package.searchers self true]],
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[[assert collectgarbage dofile error getfenv getmetatable ipairs load loadfile loadstring
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module next pairs pcall print rawequal rawget rawlen rawset require
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select setfenv setmetatable tonumber tostring type unpack xpcall]],
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[[bit32.arshift bit32.band bit32.bnot bit32.bor bit32.btest bit32.bxor bit32.extract
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bit32.lrotate bit32.lshift bit32.replace bit32.rrotate bit32.rshift
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coroutine.create coroutine.resume coroutine.running coroutine.status coroutine.wrap coroutine.yield
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debug.debug debug.getfenv debug.gethook debug.getinfo debug.getlocal
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debug.getmetatable debug.getregistry debug.getupvalue debug.getuservalue debug.setfenv
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debug.sethook debug.setlocal debug.setmetatable debug.setupvalue debug.setuservalue
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debug.traceback debug.upvalueid debug.upvaluejoin
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io.close io.flush io.input io.lines io.open io.output io.popen io.read io.tmpfile io.type io.write
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close flush lines read seek setvbuf write
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math.abs math.acos math.asin math.atan math.atan2 math.ceil math.cos math.cosh math.deg math.exp
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math.floor math.fmod math.frexp math.ldexp math.log math.log10 math.max math.min math.modf
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math.pow math.rad math.random math.randomseed math.sin math.sinh math.sqrt math.tan math.tanh
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os.clock os.date os.difftime os.execute os.exit os.getenv os.remove os.rename os.setlocale os.time os.tmpname
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package.loadlib package.searchpath package.seeall
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string.byte string.char string.dump string.find string.format string.gmatch string.gsub string.len
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string.lower string.match string.rep string.reverse string.sub string.upper
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byte find format gmatch gsub len lower match rep reverse sub upper
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table.concat table.insert table.maxn table.pack table.remove table.sort table.unpack]]
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},
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}
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