From 2d1df4714e2736dbde7855ddcd76b4c1de822fa5 Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 23 Jan 2012 21:58:02 +1000 Subject: Added a big bunch of example lua scripts for testing the speed of lua compiling. --- LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua | 362 ++++++++++++++++++++++ 1 file changed, 362 insertions(+) create mode 100644 LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua (limited to 'LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua') diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua new file mode 100644 index 0000000..1b3c608 --- /dev/null +++ b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua @@ -0,0 +1,362 @@ +--[[-------------------------------------------------------------------- + + ldump.lua + Save bytecodes in Lua + This file is part of Yueliang. + + Copyright (c) 2005 Kein-Hong Man + The COPYRIGHT file describes the conditions + under which this software may be distributed. + + See the ChangeLog for more information. + +----------------------------------------------------------------------]] + +--[[-------------------------------------------------------------------- +-- Notes: +-- * LUA_NUMBER (double), byte order (little endian) and some other +-- header values hard-coded; see other notes below... +-- * One significant difference is that instructions are still in table +-- form (with OP/A/B/C/Bx fields) and luaP:Instruction() is needed to +-- convert them into 4-char strings +-- * Deleted: +-- luaU:DumpVector: folded into DumpLines, DumpCode +-- * Added: +-- luaU:endianness() (from lundump.c) +-- luaU:make_setS: create a chunk writer that writes to a string +-- luaU:make_setF: create a chunk writer that writes to a file +-- (lua.h contains a typedef for a Chunkwriter pointer, and +-- a Lua-based implementation exists, writer() in lstrlib.c) +-- luaU:from_double(x): encode double value for writing +-- luaU:from_int(x): encode integer value for writing +-- (error checking is limited for these conversion functions) +-- (double conversion does not support denormals or NaNs) +-- luaU:ttype(o) (from lobject.h) +----------------------------------------------------------------------]] + +--requires luaP +luaU = {} + +-- constants used by dumper +luaU.LUA_TNUMBER = 3 -- (all in lua.h) +luaU.LUA_TSTRING = 4 +luaU.LUA_TNIL = 0 +luaU.LUA_TNONE = -1 + +-- definitions for headers of binary files +luaU.LUA_SIGNATURE = "\27Lua" -- binary files start with "Lua" +luaU.VERSION = 80 -- 0x50; last format change was in 5.0 +luaU.VERSION0 = 80 -- 0x50; last major change was in 5.0 + +-- a multiple of PI for testing native format +-- multiplying by 1E7 gives non-trivial integer values +luaU.TEST_NUMBER = 3.14159265358979323846E7 + +--[[-------------------------------------------------------------------- +-- Additional functions to handle chunk writing +-- * to use make_setS and make_setF, see test_ldump.lua elsewhere +----------------------------------------------------------------------]] + +------------------------------------------------------------------------ +-- works like the lobject.h version except that TObject used in these +-- scripts only has a 'value' field, no 'tt' field (native types used) +------------------------------------------------------------------------ +function luaU:ttype(o) + local tt = type(o.value) + if tt == "number" then return self.LUA_TNUMBER + elseif tt == "string" then return self.LUA_TSTRING + elseif tt == "nil" then return self.LUA_TNIL + else + return self.LUA_TNONE -- the rest should not appear + end +end + +------------------------------------------------------------------------ +-- create a chunk writer that writes to a string +-- * returns the writer function and a table containing the string +-- * to get the final result, look in buff.data +------------------------------------------------------------------------ +function luaU:make_setS() + local buff = {} + buff.data = "" + local writer = + function(s, buff) -- chunk writer + if not s then return end + buff.data = buff.data..s + end + return writer, buff +end + +------------------------------------------------------------------------ +-- create a chunk writer that writes to a file +-- * returns the writer function and a table containing the file handle +-- * if a nil is passed, then writer should close the open file +------------------------------------------------------------------------ +function luaU:make_setF(filename) + local buff = {} + buff.h = io.open(filename, "wb") + if not buff.h then return nil end + local writer = + function(s, buff) -- chunk writer + if not buff.h then return end + if not s then buff.h:close(); return end + buff.h:write(s) + end + return writer, buff +end + +----------------------------------------------------------------------- +-- converts a IEEE754 double number to an 8-byte little-endian string +-- * luaU:from_double() and luaU:from_int() are from ChunkBake project +-- * supports +/- Infinity, but not denormals or NaNs +----------------------------------------------------------------------- +function luaU:from_double(x) + local function grab_byte(v) + return math.floor(v / 256), + string.char(math.mod(math.floor(v), 256)) + end + local sign = 0 + if x < 0 then sign = 1; x = -x end + local mantissa, exponent = math.frexp(x) + if x == 0 then -- zero + mantissa, exponent = 0, 0 + elseif x == 1/0 then + mantissa, exponent = 0, 2047 + else + mantissa = (mantissa * 2 - 1) * math.ldexp(0.5, 53) + exponent = exponent + 1022 + end + local v, byte = "" -- convert to bytes + x = mantissa + for i = 1,6 do + x, byte = grab_byte(x); v = v..byte -- 47:0 + end + x, byte = grab_byte(exponent * 16 + x); v = v..byte -- 55:48 + x, byte = grab_byte(sign * 128 + x); v = v..byte -- 63:56 + return v +end + +----------------------------------------------------------------------- +-- converts a number to a little-endian 32-bit integer string +-- * input value assumed to not overflow, can be signed/unsigned +----------------------------------------------------------------------- +function luaU:from_int(x) + local v = "" + x = math.floor(x) + if x >= 0 then + for i = 1, 4 do + v = v..string.char(math.mod(x, 256)); x = math.floor(x / 256) + end + else-- x < 0 + x = -x + local carry = 1 + for i = 1, 4 do + local c = 255 - math.mod(x, 256) + carry + if c == 256 then c = 0; carry = 1 else carry = 0 end + v = v..string.char(c); x = math.floor(x / 256) + end + end + return v +end + +--[[-------------------------------------------------------------------- +-- Functions to make a binary chunk +-- * many functions have the size parameter removed, since output is +-- in the form of a string and some sizes are implicit or hard-coded +-- * luaU:DumpVector has been deleted (used in DumpCode & DumpLines) +----------------------------------------------------------------------]] + +------------------------------------------------------------------------ +-- dump a block of literal bytes +------------------------------------------------------------------------ +function luaU:DumpLiteral(s, D) self:DumpBlock(s, D) end + +--[[-------------------------------------------------------------------- +-- struct DumpState: +-- L -- lua_State (not used in this script) +-- write -- lua_Chunkwriter (chunk writer function) +-- data -- void* (chunk writer context or data already written) +----------------------------------------------------------------------]] + +------------------------------------------------------------------------ +-- dumps a block of bytes +-- * lua_unlock(D.L), lua_lock(D.L) deleted +------------------------------------------------------------------------ +function luaU:DumpBlock(b, D) D.write(b, D.data) end + +------------------------------------------------------------------------ +-- dumps a single byte +------------------------------------------------------------------------ +function luaU:DumpByte(y, D) + self:DumpBlock(string.char(y), D) +end + +------------------------------------------------------------------------ +-- dumps a 32-bit signed integer (for int) +------------------------------------------------------------------------ +function luaU:DumpInt(x, D) + self:DumpBlock(self:from_int(x), D) +end + +------------------------------------------------------------------------ +-- dumps a 32-bit unsigned integer (for size_t) +------------------------------------------------------------------------ +function luaU:DumpSize(x, D) + self:DumpBlock(self:from_int(x), D) +end + +------------------------------------------------------------------------ +-- dumps a LUA_NUMBER (hard-coded as a double) +------------------------------------------------------------------------ +function luaU:DumpNumber(x, D) + self:DumpBlock(self:from_double(x), D) +end + +------------------------------------------------------------------------ +-- dumps a Lua string +------------------------------------------------------------------------ +function luaU:DumpString(s, D) + if s == nil then + self:DumpSize(0, D) + else + s = s.."\0" -- include trailing '\0' + self:DumpSize(string.len(s), D) + self:DumpBlock(s, D) + end +end + +------------------------------------------------------------------------ +-- dumps instruction block from function prototype +------------------------------------------------------------------------ +function luaU:DumpCode(f, D) + local n = f.sizecode + self:DumpInt(n, D) + --was DumpVector + for i = 0, n - 1 do + self:DumpBlock(luaP:Instruction(f.code[i]), D) + end +end + +------------------------------------------------------------------------ +-- dumps local variable names from function prototype +------------------------------------------------------------------------ +function luaU:DumpLocals(f, D) + local n = f.sizelocvars + self:DumpInt(n, D) + for i = 0, n - 1 do + self:DumpString(f.locvars[i].varname, D) + self:DumpInt(f.locvars[i].startpc, D) + self:DumpInt(f.locvars[i].endpc, D) + end +end + +------------------------------------------------------------------------ +-- dumps line information from function prototype +------------------------------------------------------------------------ +function luaU:DumpLines(f, D) + local n = f.sizelineinfo + self:DumpInt(n, D) + --was DumpVector + for i = 0, n - 1 do + self:DumpInt(f.lineinfo[i], D) -- was DumpBlock + end +end + +------------------------------------------------------------------------ +-- dump upvalue names from function prototype +------------------------------------------------------------------------ +function luaU:DumpUpvalues(f, D) + local n = f.sizeupvalues + self:DumpInt(n, D) + for i = 0, n - 1 do + self:DumpString(f.upvalues[i], D) + end +end + +------------------------------------------------------------------------ +-- dump constant pool from function prototype +-- * nvalue(o) and tsvalue(o) macros removed +------------------------------------------------------------------------ +function luaU:DumpConstants(f, D) + local n = f.sizek + self:DumpInt(n, D) + for i = 0, n - 1 do + local o = f.k[i] -- TObject + local tt = self:ttype(o) + self:DumpByte(tt, D) + if tt == self.LUA_TNUMBER then + self:DumpNumber(o.value, D) + elseif tt == self.LUA_TSTRING then + self:DumpString(o.value, D) + elseif tt == self.LUA_TNIL then + else + --lua_assert(0) -- cannot happen + end + end + n = f.sizep + self:DumpInt(n, D) + for i = 0, n - 1 do + self:DumpFunction(f.p[i], f.source, D) + end +end + +------------------------------------------------------------------------ +-- dump child function prototypes from function prototype +------------------------------------------------------------------------ +function luaU:DumpFunction(f, p, D) + local source = f.source + if source == p then source = nil end + self:DumpString(source, D) + self:DumpInt(f.lineDefined, D) + self:DumpByte(f.nups, D) + self:DumpByte(f.numparams, D) + self:DumpByte(f.is_vararg, D) + self:DumpByte(f.maxstacksize, D) + self:DumpLines(f, D) + self:DumpLocals(f, D) + self:DumpUpvalues(f, D) + self:DumpConstants(f, D) + self:DumpCode(f, D) +end + +------------------------------------------------------------------------ +-- dump Lua header section (some sizes hard-coded) +------------------------------------------------------------------------ +function luaU:DumpHeader(D) + self:DumpLiteral(self.LUA_SIGNATURE, D) + self:DumpByte(self.VERSION, D) + self:DumpByte(self:endianness(), D) + self:DumpByte(4, D) -- sizeof(int) + self:DumpByte(4, D) -- sizeof(size_t) + self:DumpByte(4, D) -- sizeof(Instruction) + self:DumpByte(luaP.SIZE_OP, D) + self:DumpByte(luaP.SIZE_A, D) + self:DumpByte(luaP.SIZE_B, D) + self:DumpByte(luaP.SIZE_C, D) + self:DumpByte(8, D) -- sizeof(lua_Number) + self:DumpNumber(self.TEST_NUMBER, D) +end + +------------------------------------------------------------------------ +-- dump function as precompiled chunk +-- * w, data are created from make_setS, make_setF +------------------------------------------------------------------------ +function luaU:dump(L, Main, w, data) + local D = {} -- DumpState + D.L = L + D.write = w + D.data = data + self:DumpHeader(D) + self:DumpFunction(Main, nil, D) + -- added: for a chunk writer writing to a file, this final call with + -- nil data is to indicate to the writer to close the file + D.write(nil, D.data) +end + +------------------------------------------------------------------------ +-- find byte order (from lundump.c) +-- * hard-coded to little-endian +------------------------------------------------------------------------ +function luaU:endianness() + return 1 +end -- cgit v1.1