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-- filename : type-lua.lua
-- comment : companion to core-buf.tex
-- author : Hans Hagen, PRAGMA-ADE, Hasselt NL
-- copyright: PRAGMA ADE / ConTeXt Development Team
-- license : see context related readme files
-- BROKEN : result is now table
if not buffers then buffers = { } end
if not buffers.visualizers then buffers.visualizers = { } end
if not buffers.visualizers.lua then buffers.visualizers.lua = { } end
buffers.visualizers.lua.identifiers = { }
-- borrowed from scite
buffers.visualizers.lua.identifiers.core = {
"and", "break", "do", "else", "elseif", "end", "false", "for", "function",
"if", "in", "local", "nil", "not", "or", "repeat", "return", "then",
"true", "until", "while"
}
buffers.visualizers.lua.identifiers.base = {
"assert", "collectgarbage", "dofile", "error", "gcinfo", "loadfile",
"loadstring", "print", "rawget", "rawset", "require", "tonumber",
"tostring", "type", "unpack",
}
buffers.visualizers.lua.identifiers.five = {
"_G", "getfenv", "getmetatable", "ipairs", "loadlib", "next", "pairs",
"pcall", "rawequal", "setfenv", "setmetatable", "xpcall", "string", "table",
"math", "coroutine", "io", "os", "debug", "load", "module", "select"
}
buffers.visualizers.lua.identifiers.libs = {
-- coroutine
"coroutine.create", "coroutine.resume", "coroutine.status", "coroutine.wrap",
"coroutine.yield", "coroutine.running",
-- package
"package.cpath", "package.loaded", "package.loadlib", "package.path",
-- io
"io.close", "io.flush", "io.input", "io.lines", "io.open", "io.output",
"io.read", "io.tmpfile", "io.type", "io.write", "io.stdin", "io.stdout",
"io.stderr", "io.popen",
-- math
"math.abs", "math.acos", "math.asin", "math.atan", "math.atan2", "math.ceil",
"math.cos", "math.deg", "math.exp", "math.floor math.", "math.ldexp",
"math.log", "math.log10", "math.max", "math.min math.mod math.pi", "math.pow",
"math.rad", "math.random", "math.randomseed", "math.sin", "math.sqrt",
"math.tan", "math.cosh", "math.fmod", "math.modf", "math.sinh", "math.tanh",
"math.huge",
-- string
"string.byte", "string.char", "string.dump", "string.find", "string.len",
"string.lower", "string.rep", "string.sub", "string.upper", "string.format",
"string.gfind", "string.gsub", "string.gmatch", "string.match", "string.reverse",
-- table
"table.maxn", "table.concat", "table.foreach", "table.foreachi", "table.getn",
"table.sort", "table.insert", "table.remove", "table.setn",
-- os
"os.clock", "os.date", "os.difftime", "os.execute", "os.exit", "os.getenv",
"os.remove", "os.rename", "os.setlocale", "os.time", "os.tmpname",
-- package
"package.preload", "package.seeall"
}
buffers.visualizers.lua.words = { }
for k,v in pairs(buffers.visualizers.lua.identifiers) do
for _,w in pairs(v) do
buffers.visualizers.lua.words[w] = k
end
end
buffers.visualizers.lua.styles = { }
buffers.visualizers.lua.styles.core = ""
buffers.visualizers.lua.styles.base = "\\sl "
buffers.visualizers.lua.styles.five = "\\sl "
buffers.visualizers.lua.styles.libs = "\\sl "
-- btex .. etex
buffers.visualizers.lua.colors = {
"prettyone",
"prettytwo",
"prettythree",
"prettyfour",
}
buffers.visualizers.lua.states = {
['1']=1, ['2']=1, ['3']=1, ['4']=1, ['5']=1, ['6']=1, ['7']=1, ['8']=1, ['9']=1, ['0']=1,
['--']=4,
['"']=3, ["'"]=3,
['+']=1, ['-']=1, ['*']=1, ['/']=1, ['%']=1, ['^']=1,
}
buffers.visualizers.lua.options = { }
buffers.visualizers.lua.options.colorize_strings = false
buffers.visualizers.lua.options.colorize_comments = false
function buffers.flush_lua_word(state, word, result)
if #word>0 then
local id = buffers.visualizers.lua.words[word]
if id then
state, result = buffers.change_state(2, state, result)
if buffers.visualizers.lua.styles[id] then
state, result = buffers.finish_state(state,result .. buffers.visualizers.lua.styles[id] .. word)
else
state, result = buffers.finish_state(state,result .. word)
end
return state, result
else
state, result = buffers.finish_state(state,result)
return state, result .. buffers.escaped(word) -- cmp mp
end
else
state, result = buffers.finish_state(state,result)
return state, result
end
end
buffers.visualizers.lua.states.incomment = false
-- to be sped up
function buffers.visualizers.lua.flush_line(str, nested)
local result, state = { }, 0
local instr, inesc, incom = false, false, false
local c, p
local sb, ss, sf = string.byte, string.sub, string.find
local code, comment
--~ buffers.currentcolors = buffers.visualizers.lua.colors
--~ if sf(str,"^%-%-%[") then
--~ buffers.visualizers.lua.states.incomment = true
--~ code, comment, incom = "", str, true
--~ elseif sf(str,"^%]%-%-") then
--~ buffers.visualizers.lua.states.incomment = false
--~ code, comment, incom = "", str, true
--~ elseif buffers.visualizers.lua.states.incomment then
--~ code, comment, incom = "", str, true
--~ else
--~ code, comment = string.match(str,"^(.-)%-%-(.*)$")
--~ if not code then
--~ code, comment = str, ""
--~ end
--~ end
--~ -- bla bla1 bla.bla
--~ for c in code:utfcharacters() do
--~ if instr then
--~ if c == s then
--~ if inesc then
--~ result = result .. "\\char" .. sb(c) .. " "
--~ inesc = false
--~ else
--~ state, result = buffers.change_state(buffers.visualizers.lua.states[c], state, result)
--~ instr = false
--~ result = result .. "\\char" .. sb(c) .. " "
--~ state, result = buffers.finish_state(state,result)
--~ end
--~ elseif c == "\\" then
--~ inesc = not inesc
--~ result = result .. buffers.escaped_chr(c)
--~ else
--~ inesc = false
--~ result = result .. buffers.escaped_chr(c)
--~ end
--~ elseif sf(c,"^([\'\"])$") then
--~ s, instr = c, true
--~ state, result = buffers.change_state(buffers.visualizers.lua.states[c], state, result)
--~ result = result .. "\\char" .. sb(c) .. " "
--~ if not buffers.visualizers.lua.options.colorize_strings then
--~ state, result = buffers.finish_state(state,result)
--~ end
--~ elseif c == " " then
--~ state, result = buffers.flush_lua_word(state, word, result)
--~ word = ""
--~ result = result .. "\\obs "
--~ elseif sf(c,"^[%a]$") then
--~ state, result = buffers.finish_state(state,result)
--~ word = word .. c
--~ elseif (#word > 1) and sf(c,"^[%d%.%_]$") then
--~ word = word .. c
--~ else
--~ state, result = buffers.flush_lua_word(state, word, result)
--~ word = ""
--~ state, result = buffers.change_state(buffers.visualizers.lua.states[c], state, result)
--~ result = result .. "\\char" .. sb(c) .. " "
--~ instr = (c == '"')
--~ end
--~ end
--~ state, result = buffers.flush_lua_word(state, word, result)
--~ if comment ~= "" then
--~ state, result = buffers.change_state(buffers.visualizers.lua.states['--'], state, result)
--~ if not incom then
--~ result = result .. buffers.escaped("--")
--~ end
--~ if buffers.visualizers.lua.options.colorize_comments then
--~ state, result = buffers.finish_state(state,result)
--~ result = result .. buffers.escaped(comment)
--~ else
--~ result = result .. buffers.escaped(comment)
--~ state, result = buffers.finish_state(state,result)
--~ end
--~ else
--~ state, result = buffers.finish_state(state,result)
--~ end
--~ tex.sprint(tex.ctxcatcodes,result)
return "not yet finished"
end
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