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306 lines (283 loc) · 11.2 KB
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(function(global) {
"use strict";
// --- dependency modules ----------------------------------
var CoffeeScript = global["CoffeeScript"];
// --- class / interfaces ----------------------------------
function CoffeeScriptREPL(){
this["log"] = "";
this["buffer"] = "coffee> ";
this["defaultInput"] = "";
this["inputQueue"] = [];
this["outputQueue"] = [];
}
CoffeeScriptREPL["help"] = (function(){/*
.help show repl options
.[n] revert last nth input
.hist view input history
.clear clear log
c[space][enter]
cons[space][enter]
console.[space][enter]
console.lo[space][enter]
autosuggestion
log(str) alt console.log()
clear() alt console.clear()
dir(obj [, depth])
alt console.dir()
type(obj) alt typeof()
load(url) load js file
$$[n] last nth result variable
*/}).toString()//.match(/^function\s*\(\s*\)\s*\{\s*\/\*([\S\s]*?)\*\/\s*\}$/);
CoffeeScriptREPL["prototype"] = {
"terminal": CoffeeScriptREPL_terminal, // Function(String):void
"evaluate": CoffeeScriptREPL_evaluate, // Function(String):void
"addLog": CoffeeScriptREPL_addLog, // Function(String):void
"clearLog": CoffeeScriptREPL_clearLog // Function():void
};
// --- implements ------------------------------------------
function CoffeeScriptREPL_terminal(input){ // @arg String
// @ret Void
var n, that = this;
this["defaultInput"] = "";
if (n = (/^\.([123456789](?:\d+)?)/.exec(input) || ["", ""])[1]) {
if(!!this["inputQueue"][this["inputQueue"]["length"] - n]){
this["defaultInput"] = this["inputQueue"][this["inputQueue"]["length"] - n];
} else {
this["defaultInput"] = input;
}
} else if (/^\.hi/.test(input)) {
this["buffer"] = "coffee> " + input + "\n" + this["inputQueue"]["map"](function(str, i){
return that["inputQueue"]["length"] - i + ": " + str
})["join"]("\n")
} else if (/\s$/.test(input)) {
var tmp = autocomplete(input["trimRight"]());
if(tmp["results"]["length"] === 0){
this["defaultInput"] = input["trimRight"]();
} else if(tmp["results"]["length"] === 1){
this["defaultInput"] = tmp["tokens"][0] + tmp["tokens"][1] + (tmp["tokens"][1]["length"] === 0 ? "" : ".") + tmp["results"][0];
} else {
this["buffer"] = "coffee> " + input + "\n" + tmp["results"]["join"](" \t");
this["defaultInput"] = input["trimRight"]();
}
} else if (/^.c/.test(input)) {
this["clearLog"]();
} else if (/^.he/.test(input)) {
this["buffer"] = "coffee> " + input + "\n" + CoffeeScriptREPL["help"];
} else {
this["buffer"] = "";
this["log"] += "coffee> " + input + "\n";
try{
var _log = dump(this["evaluate"](input), 0) + "\n";
}catch(err){
var _log = err["stack"] + "\n";
}
this["log"] += _log;
}
}
function CoffeeScriptREPL_evaluate(input){ // @arg String
// @ret Void
this["inputQueue"]["push"](input);
var that = this;
var preprocessed = "do ->\n " + input["split"]("\n")["join"]("\n ");
var expanded = macroexpand(preprocessed);
var env = {
"log": function(o){ that["addLog"](o); },
"clear": function(){ that["clearLog"](); },
"dir": function(o, i){ return dump(o, i); },
"type": function(o){ return type(o); },
"load": function(url){ load(url); }
};
this["outputQueue"]["forEach"](function(val, i){
env["$$"+(that["outputQueue"]["length"] - 1 - i)] = val;
});
var output = evaluate(expanded, env);
this["outputQueue"]["push"](output);
return output;
}
function CoffeeScriptREPL_addLog(o){
this["log"] += dump(o) + "\n";
}
function CoffeeScriptREPL_clearLog(){
this["log"] = "";
this["buffer"] = "coffee> ";
this["defaultInput"] = "";
}
// --- functions ------------------------------------------
function load(url, // @arg URLString
callback) { // @arg Function
// @ret Void
var script = document.createElement("script");
script.src = url;
script.onload = callback;
document.body.appendChild(script);
}
function macroexpand(code) { // @arg CoffeeScriptString
// @ret JavaScriptString
var compiled = CoffeeScript["compile"](code, {"bare": true});
var replaced = compiled["replace"](/var[^\;]+;\n\n/, "");
return replaced;
}
function evaluate(code, // @arg String
env) { // @arg Object
// @ret Any
env = env || {};
var vars = Object.keys(env);
var vals = vars.map(function(key){ return env[key]; });
var args = vars.concat("return " + code + ";");
var fn = Function.apply(this, args);
return fn.apply(self, vals);
}
console.assert(evaluate("unko", {unko:0}) === 0, "evaluate");
function getPropertys(o){ // @arg Object
// @ret StringArray
/*
var keys1 = (function(o){
var results = [];
for(key in o) results.push(key);
return results;
})(o);
var keys2 = Object.keys(o);
*/
var keys3 = (function(o){
var results = [];
while(o) {
results = results.concat(Object.getOwnPropertyNames(o));
o = Object.getPrototypeOf(o);
}
return results;
})(o);
//var keys = [].concat(keys1, keys2, keys3);
var keys = keys3;
var merged = keys.reduce(function(_, key){
if(!!_["keySet"][key]) return _;
_["keySet"][key] = true;
_["results"]["push"](key);
return _;
},{"keySet":{}, "results":[]})["results"];
var sorted = merged.sort();
return sorted;
}
console.assert(getPropertys({a:0, b:0}).length === 2, "getPropertys");
function suggest(env, // @arg Object
keyword){ // @arg String
// @ret StringArray
var reg = new RegExp("^" + keyword + ".*");
var keys = getPropertys(env);
var candidates = keys.filter(function(key) {
return reg.test(key) && key !== keyword;
});
return candidates;
}
console.assert(suggest(self, "sel").length === 1, "suggest");
function autocomplete(code) { // @arg String
// @ret Object
var reg = /((?:[A-Za-z0-9$_](?:\.(?:[A-Za-z0-9$_]+)?)?)+)$/;
var exp = (reg.exec(code) || ["", ""])[1]
var pre = code.replace(exp, "");
var arr = exp.split(".");
var env = arr.slice(0, arr.length-1).join(".");
var key = arr.slice(arr.length-1)[0];
if(key.length === 0){
var results = getPropertys(evaluate(env));
} else if (env.length === 0){
var results = suggest(self, key);
} else {
var results = suggest(evaluate(env), key);
}
if(exp === key){
return {"tokens": [pre, "", key], "results": results};
} else{
return {"tokens": [pre, env, key], "results": results};
}
}
console.assert(autocomplete("if" ).results.length === 0, "autocomplete 1");
console.assert(autocomplete("if win").results[0] === "window", "autocomplete 2");
console.assert(autocomplete("if window.sel").results[0] === "self", "autocomplete 2");
function type(o) { // @arg Object
// @ret String
if (o === null) { return "null";
} else if (o === void 0) { return "undefined";
} else if (o === self) { return "global";
} else if (o["nodeType"] != null) { return "node";
} else if (typeof o !== "object") { return typeof o;
} else {
var str = Object.prototype.toString.call(o);
return ((str === "[object Object]" ?
/^\s*function\s+(\w+)/.exec("" + o["constructor"]) :
/^\[object (\w+)\]$/.exec(str)
) || ["", "object"])[1]["toLowerCase"]();
}
}
console.assert(type(null) === "null", "type null");
console.assert(type(void 0) === "undefined", "type undefined");
console.assert(type(true) === "boolean", "type boolean");
console.assert(type(0) === "number", "type number");
console.assert(type("string") === "string", "type string");
console.assert(type(function() {}) === "function", "type function");
console.assert(type([]) === "array", "type array");
console.assert(type({}) === "object", "type object");
console.assert(type(new Date) === "date", "type date");
console.assert(type(Math) === "math", "type math");
console.assert(type(/0/) === "regexp", "type regexp");
console.assert(type(window) === "global", "type global");
console.assert(type(document.createElement("div")) === "node", "type node");
console.assert(type(new (function Foo(){})) === "foo", "type foo");
function dump(o, // @arg Object
depth){ // @arg Number?
// @ret String
depth = depth || 0;
return recur(o, depth, 0, []);
function recur(o, depth, i, ancestors){
switch (type(o)) {
case "null":
case "undefined":
case "boolean":
case "number": return "" + o;
case "string": return "\"" + o.split('\n').join('\\n') + "\"";
case "function": return Object.prototype.toString.call(o);
case "date": return JSON.stringify(o);
case "array":
if (ancestors.some(function(_o){ return _o === o;})) {
return Object.prototype.toString.call(o) + "// Recursive Definition";
} else if (i >= depth) {
return Object.prototype.toString.call(o);
} else {
var arr = o.map(function(val){
return recur(val, depth, i + 1, ancestors.concat(o));
}).join(", ");
return "[" + arr + "]";
}
default:
if (ancestors.some(function(_o){ return _o === o;})) {
return Object.prototype.toString.call(o) + " <- Recursive Definition";
} else if (i >= depth) {
return Object.prototype.toString.call(o);
} else {
var keys = getPropertys(o);
if (keys.length === 0) {
return "{}";
} else {
var props = keys.map(function(key) {
var val = recur(o[key], depth, i + 1, ancestors.concat(o));
return "" + space(i+1) + key + ": " + val;
}).join(",\n");
return "{\n" + props + "\n" + space(i) + "}";
}
}
}
}
}
console.assert(dump({a:{b:{c:0,d:0}}}) === "[object Object]", "dump {a:{b:{c:0,d:0}}}");
console.assert(dump({a:{b:{c:0,d:0}}},3) === "{\n a: {\n b: {\n c: 0,\n d: 0\n }\n }\n}", "dump {a:{b:{c:0,d:0}}}, 3");
function space(i){ // @arg Number
// @ret String
var result = "";
while(i--) result += " ";
return result;
}
console.assert(space(0) === "", "space 0");
console.assert(space(1) === " ", "space 1");
console.assert(space(2) === " ", "space 2");
// --- exports ---------------------------------------------
global["CoffeeScriptREPL" in global ? "CoffeeScriptREPL_" : "CoffeeScriptREPL"] = CoffeeScriptREPL;
})((this || 0).self || global);
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