/* ** $Id: llex.c,v 2.20.1.2 2009/11/23 14:58:22 roberto Exp $ ** Lexical Analyzer ** See Copyright Notice in lua.h */ #include <ctype.h>#include <locale.h>#include <string.h> #define llex_c #define LUA_CORE #include "lua.h" #include "ldo.h"#include "llex.h"#include "lobject.h"#include "lparser.h"#include "lstate.h"#include "lstring.h"#include "ltable.h"#include "lzio.h" #define next(ls) (ls->current = zgetc(ls->z)) #define currIsNewline(ls) (ls->current == '\n' || ls->current == '\r') /* ORDER RESERVED */ const char *const luaX_tokens [] = { "and", "break", "do", "else", "elseif", "end",

/* ** $Id: ldo.c,v 2.38.1.4 2012/01/18 02:27:10 roberto Exp $ ** Stack and Call structure of Lua ** See Copyright Notice in lua.h */ #include <setjmp.h>#include <stdlib.h>#include <string.h> #define ldo_c #define LUA_CORE #include "lua.h" #include "ldebug.h"#include "ldo.h"#include "lfunc.h"#include "lgc.h"#include "lmem.h"#include "lobject.h"#include "lopcodes.h"#include "lparser.h"#include "lstate.h"#include "lstring.h"#include "ltable.h"#include "ltm.h"#include "lundump.h"#include "lvm.h"#include "lzio.h" /* ** {====================================================== ** Error-recovery functions ** ======================================================= */ /* chain list of long jump buffers */ struct lua_longjmp {

Lua 5.1 Reference Manual by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, Waldemar Celes Copyright © 2006–2012 Lua.org, PUC-Rio. Freely available under the terms of the Lua license. contents · index · other versions · english · português · español · deutsch 1 – Introduction Lua is an extension programming language designed to support general procedural programming with data description facilities. It also offers good support for object-oriented programming, functional programming, and data-driven programming.

github链接 lua515子域 /* ** $Id: lvm.c,v 2.63.1.5 2011/08/17 20:43:11 roberto Exp $ ** Lua virtual machine ** See Copyright Notice in lua.h */ #include <stdio.h>#include <stdlib.h>#include <string.h> #define lvm_c #define LUA_CORE #include "lua.h" #include "ldebug.h"#include "ldo.h"#include "lfunc.h"#include "lgc.h"#include "lobject.h"#include "lopcodes.h"#include "lstate.h"#include "lstring.h"#include "ltable.h"#include "ltm.h"#include "lvm.h" /* limit for table tag-method chains (to avoid loops) */ #define

github链接 lua515子域 /* ** $Id: ltable.c,v 2.32.1.2 2007/12/28 15:32:23 roberto Exp $ ** Lua tables (hash) ** See Copyright Notice in lua.h */ /* ** Implementation of tables (aka(又名) arrays, objects, or hash tables). ** Tables keep its elements in two parts: an array part and a hash part.

原因 ​ 程序打开的文件/socket 数量超过系统设定值。 查看程序已打开的fd ls -l /proc/pid/fd 详情 lsof -p pid | wc -l 数量 lsof -n | awk '{print $2}' | sort | uniq -c | sort -nr | more 输出fd

Here is the complete syntax of Lua in extended BNF. (It does not describe operator precedences.) chunk ::= {stat [`;´]} [laststat [`;´]] block ::= chunk stat ::= varlist `=´ explist | functioncall | do block end | while exp do block end | repeat block until exp | if exp then block {elseif exp then block} [else block] end | for Name `=´ exp `,´ exp [`,´ exp] do block end | for namelist in explist do block end | function funcname funcbody | local function Name funcbody | local namelist [`=´ explist] laststat ::= return [explist] | break funcname ::= Name {`.

A No-Frills Introduction to Lua 5.1 VM Instructions by Kein-Hong Man, esq. <khman AT users.sf.net> Version 0.1, 20060313 ​ 为了检索指令描述，本人额外做了添加特定的前缀OP_处理，eg: MOVE—->OP_M