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/*jshint esversion: 6 */
"use strict";
const assert = require('assert');
const luaconf = require('./luaconf.js');
// To avoid charCodeAt everywhere
const char = [];
for (let i = 0; i < 127; i++)
char[String.fromCharCode(i)] = i;
module.exports.char = char;
/* mark for precompiled code ('<esc>Lua') */
const LUA_SIGNATURE = "\x1bLua";
const LUA_VERSION_MAJOR = "5";
const LUA_VERSION_MINOR = "3";
const LUA_VERSION_NUM = 503;
const LUA_VERSION_RELEASE = "4";
const LUA_VERSION = "Lua " + LUA_VERSION_MAJOR + "." + LUA_VERSION_MINOR;
const LUA_RELEASE = LUA_VERSION + "." + LUA_VERSION_RELEASE;
const LUA_COPYRIGHT = LUA_RELEASE + " Copyright (C) 1994-2017 Lua.org, PUC-Rio";
const LUA_AUTHORS = "R. Ierusalimschy, L. H. de Figueiredo, W. Celes";
const FENGARI_VERSION_MAJOR = "0";
const FENGARI_VERSION_MINOR = "0";
const FENGARI_VERSION_NUM = 1;
const FENGARI_VERSION_RELEASE = "1";
const FENGARI_VERSION = "Fengari " + FENGARI_VERSION_MAJOR + "." + FENGARI_VERSION_MINOR;
const FENGARI_RELEASE = FENGARI_VERSION + "." + FENGARI_VERSION_RELEASE;
const FENGARI_COPYRIGHT = FENGARI_RELEASE + " Copyright (C) 2017 Benoît Giannangeli\nBased on: " + LUA_COPYRIGHT;
const FENGARI_AUTHORS = "B. Giannangeli";
const LUA_VERSUFFIX = "_" + LUA_VERSION_MAJOR + "_" + LUA_VERSION_MINOR;
const LUA_INIT_VAR = "LUA_INIT";
const LUA_INITVARVERSION = LUA_INIT_VAR + LUA_VERSUFFIX;
const thread_status = {
LUA_OK: 0,
LUA_YIELD: 1,
LUA_ERRRUN: 2,
LUA_ERRSYNTAX: 3,
LUA_ERRMEM: 4,
LUA_ERRGCMM: 5,
LUA_ERRERR: 6
};
const constant_types = {
LUA_TNONE: -1,
LUA_TNIL: 0,
LUA_TBOOLEAN: 1,
LUA_TLIGHTUSERDATA: 2,
LUA_TNUMBER: 3,
LUA_TSTRING: 4,
LUA_TTABLE: 5,
LUA_TFUNCTION: 6,
LUA_TUSERDATA: 7,
LUA_TTHREAD: 8,
LUA_NUMTAGS: 9
};
constant_types.LUA_TSHRSTR = constant_types.LUA_TSTRING | (0 << 4); /* short strings */
constant_types.LUA_TLNGSTR = constant_types.LUA_TSTRING | (1 << 4); /* long strings */
constant_types.LUA_TLIGHTUSERDATA_PTR = constant_types.LUA_TLIGHTUSERDATA | (0 << 4); /* short strings */
constant_types.LUA_TLIGHTUSERDATA_OBJ = constant_types.LUA_TLIGHTUSERDATA | (1 << 4); /* long strings */
constant_types.LUA_TNUMFLT = constant_types.LUA_TNUMBER | (0 << 4); /* float numbers */
constant_types.LUA_TNUMINT = constant_types.LUA_TNUMBER | (1 << 4); /* integer numbers */
constant_types.LUA_TLCL = constant_types.LUA_TFUNCTION | (0 << 4); /* Lua closure */
constant_types.LUA_TLCF = constant_types.LUA_TFUNCTION | (1 << 4); /* light C function */
constant_types.LUA_TCCL = constant_types.LUA_TFUNCTION | (2 << 4); /* C closure */
const CT = constant_types;
/*
** Comparison and arithmetic functions
*/
const LUA_OPADD = 0; /* ORDER TM, ORDER OP */
const LUA_OPSUB = 1;
const LUA_OPMUL = 2;
const LUA_OPMOD = 3;
const LUA_OPPOW = 4;
const LUA_OPDIV = 5;
const LUA_OPIDIV = 6;
const LUA_OPBAND = 7;
const LUA_OPBOR = 8;
const LUA_OPBXOR = 9;
const LUA_OPSHL = 10;
const LUA_OPSHR = 11;
const LUA_OPUNM = 12;
const LUA_OPBNOT = 13;
const LUA_OPEQ = 0;
const LUA_OPLT = 1;
const LUA_OPLE = 2;
const LUA_NUMTAGS = 9;
const LUA_MINSTACK = 20;
const LUA_REGISTRYINDEX = -luaconf.LUAI_MAXSTACK - 1000;
const lua_upvalueindex = function(i) {
return LUA_REGISTRYINDEX - i;
};
/* predefined values in the registry */
const LUA_RIDX_MAINTHREAD = 1;
const LUA_RIDX_GLOBALS = 2;
const LUA_RIDX_LAST = LUA_RIDX_GLOBALS;
const print_version = function() {
console.log(FENGARI_COPYRIGHT);
};
class lua_Debug {
constructor() {
this.event = NaN;
this.name = null; /* (n) */
this.namewhat = null; /* (n) 'global', 'local', 'field', 'method' */
this.what = null; /* (S) 'Lua', 'C', 'main', 'tail' */
this.source = null; /* (S) */
this.currentline = NaN; /* (l) */
this.linedefined = NaN; /* (S) */
this.lastlinedefined = NaN; /* (S) */
this.nups = NaN; /* (u) number of upvalues */
this.nparams = NaN; /* (u) number of parameters */
this.isvararg = NaN; /* (u) */
this.istailcall = NaN; /* (t) */
this.short_src = null; /* (S) */
/* private part */
this.i_ci = null; /* active function */
}
}
const to_luastring = function(str, maxBytesToWrite) {
assert(typeof str === "string", "to_luastring expect a js string");
maxBytesToWrite = maxBytesToWrite !== undefined ? maxBytesToWrite : Number.MAX_SAFE_INTEGER;
let outU8Array = [];
if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
return 0;
let outIdx = 0;
let startIdx = 0;
let endIdx = maxBytesToWrite - 1; // -1 for string null terminator.
for (let i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
// See http://unicode.org/faq/utf_bom.html#utf16-3
// For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629
let u = str.charCodeAt(i); // possibly a lead surrogate
if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
if (u <= 0x7F) {
if (outIdx >= endIdx) break;
outU8Array[outIdx++] = u;
} else if (u <= 0x7FF) {
if (outIdx + 1 >= endIdx) break;
outU8Array[outIdx++] = 0xC0 | (u >> 6);
outU8Array[outIdx++] = 0x80 | (u & 63);
} else if (u <= 0xFFFF) {
if (outIdx + 2 >= endIdx) break;
outU8Array[outIdx++] = 0xE0 | (u >> 12);
outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
outU8Array[outIdx++] = 0x80 | (u & 63);
} else if (u <= 0x1FFFFF) {
if (outIdx + 3 >= endIdx) break;
outU8Array[outIdx++] = 0xF0 | (u >> 18);
outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
outU8Array[outIdx++] = 0x80 | (u & 63);
} else if (u <= 0x3FFFFFF) {
if (outIdx + 4 >= endIdx) break;
outU8Array[outIdx++] = 0xF8 | (u >> 24);
outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
outU8Array[outIdx++] = 0x80 | (u & 63);
} else {
if (outIdx + 5 >= endIdx) break;
outU8Array[outIdx++] = 0xFC | (u >> 30);
outU8Array[outIdx++] = 0x80 | ((u >> 24) & 63);
outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
outU8Array[outIdx++] = 0x80 | (u & 63);
}
}
// Null-terminate the pointer to the buffer.
// outU8Array[outIdx] = 0;
return outU8Array;
};
module.exports.CT = CT;
module.exports.FENGARI_AUTHORS = FENGARI_AUTHORS;
module.exports.FENGARI_COPYRIGHT = FENGARI_COPYRIGHT;
module.exports.FENGARI_RELEASE = FENGARI_RELEASE;
module.exports.FENGARI_VERSION = FENGARI_VERSION;
module.exports.FENGARI_VERSION_MAJOR = FENGARI_VERSION_MAJOR;
module.exports.FENGARI_VERSION_MINOR = FENGARI_VERSION_MINOR;
module.exports.FENGARI_VERSION_NUM = FENGARI_VERSION_NUM;
module.exports.FENGARI_VERSION_RELEASE = FENGARI_VERSION_RELEASE;
module.exports.LUA_AUTHORS = LUA_AUTHORS;
module.exports.LUA_COPYRIGHT = LUA_COPYRIGHT;
module.exports.LUA_INITVARVERSION = LUA_INITVARVERSION;
module.exports.LUA_INIT_VAR = LUA_INIT_VAR;
module.exports.LUA_MINSTACK = LUA_MINSTACK;
module.exports.LUA_MULTRET = -1;
module.exports.LUA_NUMTAGS = LUA_NUMTAGS;
module.exports.LUA_OPADD = LUA_OPADD;
module.exports.LUA_OPBAND = LUA_OPBAND;
module.exports.LUA_OPBNOT = LUA_OPBNOT;
module.exports.LUA_OPBOR = LUA_OPBOR;
module.exports.LUA_OPBXOR = LUA_OPBXOR;
module.exports.LUA_OPDIV = LUA_OPDIV;
module.exports.LUA_OPEQ = LUA_OPEQ;
module.exports.LUA_OPIDIV = LUA_OPIDIV;
module.exports.LUA_OPLE = LUA_OPLE;
module.exports.LUA_OPLT = LUA_OPLT;
module.exports.LUA_OPMOD = LUA_OPMOD;
module.exports.LUA_OPMUL = LUA_OPMUL;
module.exports.LUA_OPPOW = LUA_OPPOW;
module.exports.LUA_OPSHL = LUA_OPSHL;
module.exports.LUA_OPSHR = LUA_OPSHR;
module.exports.LUA_OPSUB = LUA_OPSUB;
module.exports.LUA_OPUNM = LUA_OPUNM;
module.exports.LUA_REGISTRYINDEX = LUA_REGISTRYINDEX;
module.exports.LUA_RELEASE = LUA_RELEASE;
module.exports.LUA_RIDX_GLOBALS = LUA_RIDX_GLOBALS;
module.exports.LUA_RIDX_LAST = LUA_RIDX_LAST;
module.exports.LUA_RIDX_MAINTHREAD = LUA_RIDX_MAINTHREAD;
module.exports.LUA_SIGNATURE = LUA_SIGNATURE;
module.exports.LUA_VERSION = LUA_VERSION;
module.exports.LUA_VERSION_MAJOR = LUA_VERSION_MAJOR;
module.exports.LUA_VERSION_MINOR = LUA_VERSION_MINOR;
module.exports.LUA_VERSION_NUM = LUA_VERSION_NUM;
module.exports.LUA_VERSION_RELEASE = LUA_VERSION_RELEASE;
module.exports.LUA_VERSUFFIX = LUA_VERSUFFIX;
module.exports.constant_types = constant_types;
module.exports.lua_Debug = lua_Debug;
module.exports.lua_upvalueindex = lua_upvalueindex;
module.exports.print_version = print_version;
module.exports.thread_status = thread_status;
module.exports.to_luastring = to_luastring;
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