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/*jshint esversion: 6 */
"use strict";
const CT = require('./lua.js').constant_types;
class TValue {
constructor(type, value) {
this.type = type;
this.value = value;
this.metatable = null;
}
}
class LClosure extends TValue {
constructor(n) {
super(CT.LUA_TLCL, null);
this.p = null;
this.nupvalues = n;
this.upvals = [];
this.value = this;
}
}
class TString extends TValue {
constructor(string) {
super(CT.LUA_TSTRING, string);
}
}
class Table extends TValue {
constructor(array, hash) {
super(CT.LUA_TTABLE, {
array: array !== undefined ? array : [],
hash: new Map(hash)
});
this.usermetatable = null;
this.metatable = {
__newindex: function (table, key) {
if (key instanceof TValue) {
// Those lua values are used by value, tables and functions by reference
if ([CT.TNUMBER, CT.TSTRING, CT.TSHRSTR, CT.TLNGSTR, CT.TNUMFLT, CT.TNUMINT].indexOf(key.type) > -1) {
key = key.value;
}
}
if (typeof key === 'number') {
table.value.array[key] = value;
} else {
table.value.hash.set(key, value);
}
},
__index: function (table, key, value) {
if (key instanceof TValue) {
// Those lua values are used by value, tables and functions by reference
if ([CT.TNUMBER, CT.TSTRING, CT.TSHRSTR, CT.TLNGSTR, CT.TNUMFLT, CT.TNUMINT].indexOf(key.type) > -1) {
key = key.value;
}
}
if (typeof key === 'number') {
return table.value.array[key];
} else {
return table.value.hash.get(key);
}
},
__len: function (table) {
return t.value.array.length;
}
};
}
}
module.exports = {
LClosure: LClosure,
TValue: TValue,
Table: Table
};
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