rockbox/apps/plugins/lua_scripts/print_lua_func.lua
William Wilgus 90118f14cf lua add demo scripts, atexit handler, gui_scrollbar_draw
Change-Id: Ie8794e8a487f73952dae43e036787b6972fdbbee
2019-07-29 02:51:29 -05:00

304 lines
10 KiB
Lua

--RB LUA show all global variables; BILGUS
require "actions"
require "audio"
require "buttons"
require "color"
require "draw"
require "image"
require "lcd"
require "math_ex"
require "pcm"
require "playlist"
require "print"
--require "settings" --uses a lot of memory
require "sound"
collectgarbage("collect")
local sDumpFile = "/rb-lua_functions.txt"
local filehandle
local function a2m_m2a(addr_member)
--turns members into addresses; addresses back into members
return addr_member
end
local function dtTag(sType)
--convert named type; 'number'.. to short type '[n]...'
--if '?' supplied print out datatype key; number = [n]...
local retType = "?"
local typ = {
["nil"] = "nil",
["boolean"] = "b",
["number"] = "n",
["string"] = "s",
["userdata"] = "u",
["function"] = "f",
["thread"] = "thr",
["table"] = "t"
}
if sType == "?" then retType = "Datatypes: " end
for k,v in pairs(typ) do
if sType == k then
retType = v break
elseif (sType == "?") then
retType = retType .. " [" ..v.. "] = " .. k
end
end
return " [" ..retType.. "] "
end
local function tableByName(tName)
--find the longest match possible to an actual table
--Name comes in as (table) tName.var so we can pass back out the name found PITA
--returns the table found (key and value)
local ld = {}
local sMatch = ""
local kMatch = nil
local vMatch = nil
----FUNCTIONS for tableByName -----------------------------------------------------
local function search4Str(n, k, v)
local sKey = tostring(k)
if string.find (n, sKey,1,true) then
if sKey:len() > sMatch:len() then sMatch = sKey kMatch = k vMatch = v end
--find the longest match we can
end
end
----END FUNCTIONS for tableByName -------------------------------------------------
if tName.val ~= nil and tName.val ~= "" then
for k, v in pairs(_G) do
--_G check both since some tables are only in _G or package.loaded
search4Str(tName.val, k, v)
end
for k, v in pairs(package.loaded) do --package.loaded
search4Str(tName.val, k, v)
end
if not string.find (sMatch, "_G",1,true) then sMatch = "_G." .. sMatch end
-- put the root _G in if not exist
if kMatch and vMatch then ld[kMatch] = vMatch tName.val = sMatch return ld end
end
tName.val = "_G"
return package.loaded --Not Found return default
end
local function dump_Tables(tBase, sFunc, tSeen, tRet)
--Based on: http://www.lua.org/cgi-bin/demo?globals
--Recurse through tBase tables copying all found Tables
local sSep=""
local ld={}
local tNameBuf = {}
local sName
if sFunc ~= "" then sSep = "." end
for k, v in pairs(tBase) do
k = tostring(k)
tNameBuf[1] = sFunc
tNameBuf[2] = sSep
tNameBuf[3] = k
if k ~= "loaded" and type(v) == "table" and not tSeen[v] then
tSeen[v]=sFunc
sName = table.concat(tNameBuf)
tRet[sName] = a2m_m2a(v) --place all keys into ld[i]=value
dump_Tables(v, sName, tSeen, tRet)
elseif type(v) == "table" and not tSeen[v] then
tSeen[v]=sFunc
tRet[table.concat(tNameBuf)] = a2m_m2a(v) -- dump 'loaded' table
for k1, v1 in pairs(v) do
if not _G[k1] and type(v1) == "table" and not tSeen[v1] then
-- dump tables that are loaded but not global
tSeen[v1]=sFunc
tNameBuf[3] = k1
sName = table.concat(tNameBuf)
tRet[sName] = a2m_m2a(v1) --place all keys into ld[i]=value
dump_Tables(v1, sName, tSeen, tRet)
end
end
end
end
end
local function dump_Functions(tBase)
--Based on: http://www.lua.org/cgi-bin/demo?globals
--We already recursed through tBase copying all found tables
--we look up the table by name and then (ab)use a2m_m2a() to load the address
--after finding the table by address in tBase we will
--put the table address of tFuncs in its place
local tFuncBuf = {}
for k,v in pairs(tBase) do
local tTable = a2m_m2a(v)
local tFuncs = {}
for key, val in pairs(tTable) do
if key ~= "loaded" then
tFuncBuf[1] = dtTag(type(val))
tFuncBuf[2] = tostring(key)
tFuncs[table.concat(tFuncBuf)]= val
--put the name and value in our tFuncs table
end
end
tBase[k] = a2m_m2a(tFuncs) -- copy the address back to tBase
end
end
local function get_common_branches(t, tRet)
--load t 'names(values)' into keys
--strip off long paths then iterate value if it exists
--local tRet={}
local sBranch = ""
local tName = {}
for k in pairs(t) do
tName["val"]=k
tableByName(tName)
sBranch = tName.val
if tRet[sBranch] == nil then
tRet[sBranch] = 1 --first instance of this branch
else
tRet[sBranch] = tRet[sBranch] + 1
end
end
end
local function pairsByPairs (t, tkSorted)
--tkSorted should be an already sorted (i)table with t[keys] in the values
--https://www.lua.org/pil/19.3.html
--!!Note: table sort default function does not like numbers as [KEY]!!
--see *sortbyKeys*cmp_alphanum*
local i = 0 -- iterator variable
local iter = function () -- iterator function
i = i + 1
if tkSorted[i] == nil then return nil
else return tkSorted[i], t[tkSorted[i]]
end
end
return iter
end
local function sortbyKeys(t, tkSorted)
--loads keys of (t) into values of tkSorted
--and then sorts them
--tkSorted has integer keys (see ipairs)
----FUNCTIONS for sortByKeys -------------
local cmp_alphanum = function (op1, op2)
local type1= type(op1)
local type2 = type(op2)
if type1 ~= type2 then
return type1 < type2
else
return op1 < op2
end
end
----END FUNCTIONS for sortByKeys ---------
for n in pairs(t) do table.insert(tkSorted, n) end
table.sort(tkSorted, cmp_alphanum)--table.sort(tkSorted)
end
local function funcprint(tBuf, strName, value)
local sType = type(value)
local sVal = ""
local sHex = ""
tBuf[#tBuf + 1] = "\t"
tBuf[#tBuf + 1] = strName
if nil ~= string.find (";string;number;userdata;boolean;", sType, 1, true) then
--If any of the above types print the contents of variable
sVal = tostring(value)
if type(value) == "number" then
sHex = " = 0x" .. string.format("%x", value)
else
sHex = ""
sVal = string.gsub(sVal, "\n", "\\n") --replace newline with \n
end
tBuf[#tBuf + 1] = " : "
tBuf[#tBuf + 1] = sVal
tBuf[#tBuf + 1] = sHex
end
tBuf[#tBuf + 1] = "\r\n"
end
local function errorHandler( err )
filehandle:write(" ERROR:" .. err .. "\n")
end
------------MAIN----------------------------------------------------------------
local _NIL = nil
local tSeen= {}
local tcBase = {}
local tkSortCbase = {}
local tMods= {}
local tkSortMods = {}
local tWriteBuf = {}
local n = 0 -- count of how many items were found
filehandle = io.open(sDumpFile, "w+") --overwrite
tWriteBuf[#tWriteBuf + 1] = "*Loaded Modules* \n"
xpcall( function()
dump_Tables(tableByName({["val"] = "_G"}),"", tSeen, tMods)
--you can put a table name here if you just wanted to display
--only its items, ex. "os" or "rb" or "io"
--However, it has to be accessible directly from _G
--so "rb.actions" wouldn't return anything since its technically
--enumerated through _G.rb
end , errorHandler )
tSeen = nil
xpcall( function()dump_Functions(tMods)end , errorHandler )
get_common_branches(tMods, tcBase)
sortbyKeys(tcBase, tkSortCbase)
sortbyKeys(tMods, tkSortMods)
for k, v in pairsByPairs(tcBase, tkSortCbase ) do
n = n + 1
if n ~= 1 then
tWriteBuf[#tWriteBuf + 1] = ", "
end
tWriteBuf[#tWriteBuf + 1] = tostring(k)
if n >= 3 then -- split loaded modules to multiple lines
n = 0
tWriteBuf[#tWriteBuf + 1] = "\r\n"
end
if #tWriteBuf > 25 then
filehandle:write(table.concat(tWriteBuf))
for i=1, #tWriteBuf do tWriteBuf[i] = _NIL end -- reuse table
end
end
tcBase= nil tkSortCbase= nil
tWriteBuf[#tWriteBuf + 1] = "\r\n"
tWriteBuf[#tWriteBuf + 1] = dtTag("?")
tWriteBuf[#tWriteBuf + 1] = "\r\n\r\n"
tWriteBuf[#tWriteBuf + 1] = "Functions: \r\n"
n = 0
for key, val in pairsByPairs(tMods, tkSortMods) do
local tkSorted = {}
local tFuncs = a2m_m2a(val)
sortbyKeys(tFuncs, tkSorted)
tWriteBuf[#tWriteBuf + 1] = "\r\n"
tWriteBuf[#tWriteBuf + 1] = tostring(key)
tWriteBuf[#tWriteBuf + 1] = "\r\n"
for k, v in pairsByPairs(tFuncs, tkSorted) do
n = n + 1
funcprint(tWriteBuf, k,v)
if #tWriteBuf > 25 then
filehandle:write(table.concat(tWriteBuf))
for i=1, #tWriteBuf do tWriteBuf[i] = _NIL end -- reuse table
end
end
end
tWriteBuf[#tWriteBuf + 1] = "\r\n\r\n"
tWriteBuf[#tWriteBuf + 1] = n
tWriteBuf[#tWriteBuf + 1] = " Items Found \r\n"
filehandle:write(table.concat(tWriteBuf))
for i=1, #tWriteBuf do tWriteBuf[i] = _NIL end -- empty table
filehandle:close()
rb.splash(rb.HZ * 5, n .. " Items dumped to : " .. sDumpFile)
--rb.splash(500, collectgarbage("count"))