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--[[--------------------------------------------------------------------
test_scripts-5.0.lua
Compile and compare Lua files
This file is part of Yueliang.
Copyright (c) 2005-2007 Kein-Hong Man <khman@users.sf.net>
The COPYRIGHT file describes the conditions
under which this software may be distributed.
See the ChangeLog for more information.
----------------------------------------------------------------------]]
--[[--------------------------------------------------------------------
-- NOTE
-- * use the argument ALL to pull in additional personal Lua scripts
-- for testing, e.g. lua test_scripts.lua ALL
----------------------------------------------------------------------]]
------------------------------------------------------------------------
-- reads in a list of files to crunch from a text file
------------------------------------------------------------------------
local function loadlist(fname, flist)
local inf = io.open(fname, "r")
if not inf then error("cannot open "..fname.." for reading") end
while true do
local d = inf:read("*l")
if not d then break end
if string.find(d, "^%s*$") or string.find(d, "^#") then
-- comments and empty lines are ignored
else
table.insert(flist, d)
end
end
inf:close()
end
------------------------------------------------------------------------
-- read in list of files to test
------------------------------------------------------------------------
local files = {}
loadlist("files-lua-5.0.txt", files)
loadlist("files-yueliang-5.0.txt", files)
-- pull in personal scripts to test if user specifies "ALL"
if arg[1] == "ALL" then
loadlist("files-other-5.0.txt", files)
end
-- if you want to specify files in this script itself (not recommended)
-- you can add them using the following
--[[
for v in string.gfind([[
]], "[^%s]+") do
table.insert(files, v)
end
--]]
total = 0 -- sum of sizes
fsize = 0 -- current file size
------------------------------------------------------------------------
-- initialize
------------------------------------------------------------------------
require("../orig-5.0.3/lzio")
require("../orig-5.0.3/llex")
require("../orig-5.0.3/lopcodes")
require("../orig-5.0.3/ldump")
require("../orig-5.0.3/lcode")
require("../orig-5.0.3/lparser")
function lua_assert(test)
if not test then error("assertion failed!") end
end
luaX:init()
io.stdout:write("\n\n")
------------------------------------------------------------------------
-- * basic comparison for now; do it properly later
------------------------------------------------------------------------
local LuaState = {}
------------------------------------------------------------------------
-- dump binary chunks to a file if something goes wrong
------------------------------------------------------------------------
local function Dump(data, filename)
h = io.open(filename, "wb")
if not h then error("failed to open "..filename.." for writing") end
h:write(data)
h:close()
end
------------------------------------------------------------------------
-- create custom chunk reader (sums up file sizes)
------------------------------------------------------------------------
function make_getF(filename)
local h = io.open(filename, "r")
if not h then return nil end
fsize = h:seek("end")
h:seek("set")
total = total + fsize
return function() -- chunk reader anonymous function here
if not h then return nil end
local buff = h:read(512)
if not buff then h:close() end
return buff
end
end
------------------------------------------------------------------------
-- attempt to compile Lua source files
------------------------------------------------------------------------
for i, filename in ipairs(files) do
-- compile a source file
local zio = luaZ:init(make_getF(filename), nil, "@"..filename)
if not zio then
error("could not initialize zio stream for "..filename)
end
io.stdout:write(filename.."("..fsize.."): ")
local Func = luaY:parser(LuaState, zio, nil)
local Writer, Buff = luaU:make_setS()
luaU:dump(LuaState, Func, Writer, Buff)
local bc1 = Buff.data -- Yueliang's output
local f = loadfile(filename)
local bc2 = string.dump(f) -- Lua's output
-- compare outputs
if string.len(bc1) ~= string.len(bc2) then
Dump(bc1, "bc1.out")
Dump(bc2, "bc2.out")
error("binary chunk sizes different")
elseif bc1 ~= bc2 then
Dump(bc1, "bc1.out")
Dump(bc2, "bc2.out")
error("binary chunks different")
else
io.stdout:write("CORRECT\n")
end
local x, y = gcinfo()
-- memory usage isn't really a problem for the straight port
-- string handling in Lua that follows the original C closely is more
-- of a problem, but this will be fixed elsewhere, not in this tree
--io.stdout:write("gcinfo: "..x.." "..y.."\n")
end
-- summaries here
io.stdout:write("\nTotal file sizes: "..total.."\n")
-- end
|
