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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Canvas</title>
<meta charset="UTF-8" />
<script src="bigDecimal.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div id="toptitle" style="text-align: center;">
<a style="height:10px; margin-top:0; margin-bottom: 10px; font-weight:bold; font-size:2em;" href=https://github.com/dzaima/Canvas>Canvas</a>
</div>
<div id="p" style="width:40%;"><span id="bytecount" style="font-size:12px">0 bytes</span></div>
<div id="textareas">
<div class="left" id="progdiv">
<textarea id="program" placeholder="Enter code..." spellcheck="false" onclick="setTimeout(updater, 0);" oninput="setTimeout(updater, 0);" style="height:150px"></textarea>
</div>
<div align="left" class="right" id="inpdiv">
<textarea id="inputs" placeholder="Enter inputs in each line" spellcheck="false" style="width:100%; height:150px"></textarea>
<div id="docs" style="display:none" align="left">
<div style="padding-bottom: 5px">
<input id="search" style="width:93%;" onclick="setTimeout(updater, 0);" oninput="setTimeout(updater, 0);"
placeholder="search for chars, descriptions, ect."/>
</div>
<div id="docs-scroll">
<table id="docstable" style="width:99%" align="left">
<col width="3%" />
<col width="95%" />
<thead>
<tr>
<th>chr</th>
<th>description</th>
</tr>
</thead>
</table>
</div>
</div>
<div id="stepData" style="display:none">
<span class="codebox">
<h2>State</h2>
<span id="codeState" class="code"></span><br><br>
X = <span id="stateX"></span><br>
Y = <span id="stateY"></span><br>
α = <span id="stateAlpha"></span><br>
ω = <span id="stateOmega"></span><br>
remainders = <span id="stateRemainders"></span><br>
superscripts = <span id="stateSups"></span><br>
background = <span id="bgState"></span><br>
<h2>Program stack</h2>
<span class="code" id="ptrstackState"></span>
<h2>Stack</h2>
<div class="code" id="stackState"></div>
</span>
</div>
</div>
<textarea id="result" placeholder="Output will be here" spellcheck="false" style="width:100%; background-color: #333333; height:390px" readonly></textarea>
</div>
<div id="overlay">
<div id="overlayMenu">
<center>
<span id="menuTitle" style="font-size:1.4em"></span>
<br>
<input id="saveName" style="position: relative; top:5%" placeholder="enter name" onclick="setTimeout(updateSaveList, 0);" oninput="setTimeout(updateSaveList, 0);"/>
<br><br>
<div id="saveList">
</div>
</center>
</div>
</div>
<div id="buttonPanel">
<div style="width:120px" class="left">
<button id="runBtn" onclick="runMain()" style="width:100%">run (ctrl+enter) </button>
<button id="loadFile" onclick="loadFile()" style="width:100%">load encoded file</button>
<button id="saveFile" onclick="saveFile()" style="width:100%">save encoded file</button>
</div>
<div style="width:60px" class="left">
<button id="stopBtn" onclick="stop()" style="width:100%; display:none">stop</button>
<button id="topost" onclick="postify()" style="width:100%">postify </button>
<button id="toCMC" onclick="CMCify()" style="width:100%">CMCify </button>
</div>
<div class="left" style="width:100px">
<input id="devChk" type="checkbox" onClick="devUpdate()">dev mode</input><br>
<div class="left" style="width:60px">
<button id="loadpermalink" onclick="loadPermalink()" style="width:100%; display:none">reload</button>
<button id="stepBtn" onclick="step()" style="width:100%; display:none">step</button>
</div>
</div>
</div>
<input id="fakeFileInp" type="file" style="display:none" />
<a id="fakeLink" style="display:none" />
<script>
program.focus();
var latestVersion = 8;
var module = 0; // node is annoying & this can't be a more meaningful variable name
var usedVersion = latestVersion;
var devMode = false;
var debug = 0; // 0 - no debug; 1 - program debug; 2 - interpreter debug
var running = false;
var stepping = false;
var stepNow = false;
var devLoaded = false;
var lastSearch = "";
if (devChk.checked) devUpdate(); // for Firefox-ish reloads that keep checked
var debugLog = console.log;
// loading initial permalinked data
var args = location.search.substring(1).split(",");
for (var i = 0; i < args.length; i++) {
var carg = args[i];
var parts = carg.split("=");
if (parts[0]==='u')
program.value = unescape(atob(parts[1].replace(/_/g, "=")));
if (parts[0]==='i')
inputs.value = unescape(atob(parts[1].replace(/_/g, "=")));
if (parts[0]==='v')
usedVersion = +parts[1];
if (parts[0]==='dev') {
devChk.click();
}
if (parts[0]==='d') {
debug = +parts[1];
}
if (parts[0]==='tests') {
setTimeout(tests, 200);
}
if (parts[0]==='search') {
devChk.click();
search.value=unescape(parts[1]);
}
}
if (latestVersion !== usedVersion) {
toptitle.innerHTML+='<a style="color:#D2D2D2" onclick="toLatest()" href="#" title="using v'+usedVersion+' for compatibility; Click to switch to v'+latestVersion+'">v'+usedVersion+'</a>'
}
// dev mode
function toLatest() {
window.location = permalink(2)+(devMode? ",dev" : "");
}
let strComp1 = "enter parts in the input field as separate lines, with ¶ as newlines and ŗ as popping from stack\nThis doesn't count the starting quote in the bytecount\nI.split`\\n`＃：clip(compressString(p.p))＃ＱＬ╷；∑Ｌŗ -> ŗ bytes∙p.F＃";
let strComp2 = "enter parts in the input field as separate lines, with ¶ as newlines and ŗ as popping from stack\nThis doesn't count the starting quote in the bytecount\n\ndebugCompression=true;I.split`\\n`＃：clip(compressString(p.p))＃ＱＬ╷；∑Ｌŗ -> ŗ bytesＯ∙p.F;compressionParts.slice(0,-1).map(c=>c.map(c=>[c.type,c.length]))＃｛｛┤“ｑ&„：└×Ｕ；÷］ ＊］";
if (!localStorage.saves) {
localStorage.saves = JSON.stringify([
["string compress", strComp1, "", 1],
["number compress", "clip(compressNum(p.p))＃p.F＃", "", 1],
]);
}
if (JSON.parse(localStorage.saves).find(c=>c[1]==strComp1)) {
let saves = JSON.parse(localStorage.saves);
saves[JSON.parse(localStorage.saves).findIndex(c=>c[1]==strComp1)][1] = strComp2;
localStorage.saves = JSON.stringify(saves);
}
function devUpdate() {
devMode^= true;
if (devMode) {
if (!devLoaded) {
$.getScript("docs.js").fail((_,_2,c)=>console.error("docs.js failed to load:", c));
devLoaded = true;
}
progdiv.appendChild(inputs);
progdiv.appendChild(result);
docs.before(buttonPanel);
inputs.style.width="99%";
result.style.width="99%";
docs.style.display = "block";
loadpermalink.style.display = "block";
stepBtn.style.display = "block";
stopBtn.style.display = "block";
if (!debug) debug = 1;
} else {
inpdiv.appendChild(inputs);
textareas.appendChild(result);
textareas.after(buttonPanel);
inputs.style.width="100%";
result.style.width="100%";
docs.style.display = "none";
if (stepping && running) stepNow = true;
stepping = false;
stepData.style.display = "none";
loadpermalink.style.display = "none";
stepBtn.style.display = "none";
stopBtn.style.display = "none";
if (debug === 1) debug = 0;
}
}
function loadPermalink(forceOnline) {
window.location = permalink(forceOnline? 1 : 0) + ",dev";
}
function step() {
if (!stepping) enterStepping();
if (running) stepNow = true;
else runMain();
}
function stop() {
running = false;
if (stepping) stopStepping();
stepNow = true;
}
function enterStepping() {
stepping = true;
docs.style.display = "none";
stepData.style.display = "block";
}
function stopStepping() {
stepping = false;
docs.style.display = "block";
stepData.style.display = "none";
}
// saving to encoded file
function saveFile() {
const prog = program.value;
fakeLink.download = "encoded.canvas";
var binary = "";
for (var i = 0; i < prog.length; i++) {
binary+= String.fromCodePoint(codepage.indexOf(prog.charAt(i)));
}
fakeLink.href = 'data:text/plain;base64,' + btoa(binary);
fakeLink.click();
}
// loading from encoded file
var fr;
function loadFile() {
fakeFileInp.click();
}
$("#fakeFileInp").change(function () {
var f = fakeFileInp.files[0];
fr = new FileReader();
fr.onload = recieved;
fr.readAsBinaryString(f);
});
function recieved() {
var binary = fr.result;
var newProgram = "";
for (var i = 0; i < binary.length; i++) {
newProgram+= codepage.charAt(binary.charCodeAt(i));
}
program.value = newProgram;
update();
}
function postify() {
let pl = permalink(1);
let prog = program.value;
result.value = `# [Canvas](https://github.com/dzaima/Canvas), ${prog.length} [byte${prog.length===1? "" : "s"}](https://github.com/dzaima/Canvas/blob/master/files/chartable.md)`;
for (var cs of program.value.split("\n")) result.value+= "\n "+cs;
result.value+= `\n\n[Try it here!](${pl})`;
}
function CMCify() {
let pl = permalink(1);
let prog = program.value;
result.value = `Canvas, ${prog.length} byte${prog.length===1? "" : "s"}: [\`${prog.replace(/\n/g, "\\n")}\`](${pl})`;
result.value+= `\nCanvas, [${prog.length} byte${prog.length===1? "" : "s"}](${pl})`;
}
// permalink stuff
function permalink(param) {
let res;
if (param === 1) res = "https://dzaima.github.io/Canvas/?";
else res = [location.protocol, '//', location.host, location.pathname].join('')+"?";
res+= "u="+ (btoa(escape(program.value)).replace(/=/g, "_"));
var inputs = document.getElementById("inputs").value;
if (inputs !== "")
res+= ",i="+ btoa(escape(inputs)).replace(/=/g, "_");
res+= ",v="+(param===2? latestVersion : version);
result.value = res;
if (param === 2) {
result.select();
document.execCommand("copy");
}
return res;
}
// byte count updating & program running
function runMain() {
if (running) throw "already running!";
var inputstrs = inputs.value.split("\n");
var inputsParsed = [];
var cres = "";
for (var i = 0; i < inputstrs.length; i++) {
var cl = inputstrs[i];
if (cl === "```") {
var arr = [];
i++;
while (i < inputstrs.length && inputstrs[i] !== "```") {
arr.push(inputstrs[i]);
i++;
}
cres = new Canvas(arr.join("\n"), null);
} else {
var ev;
try {
ev = eval(cl);
} catch (e) {
ev = undefined;
}
if (typeof ev === "number") ev = new Big(cl);
cres = ev === undefined? cl : ev;
}
inputsParsed.push(cres);
}
run(program.value, inputsParsed);
}
function updater() {
setTimeout (update, 0);
setTimeout (update, 10);
}
var menu = 0;
var inputFocused;
function update() {
var bytecount = program.value.length;
var startPos = program.selectionStart;
var endPos = program.selectionEnd;
var co = bytecount +" byte"+ (bytecount===1? "" : "s");
if (endPos !== startPos) {
co+= " ("+ (endPos-startPos) +" byte"+ (endPos-startPos===1? "" : "s") +" selected)";
if (document.activeElement === program) search.value = [...program.value.substring(startPos,endPos)].filter(c=>c.charCodeAt()>127).join("|")
}
document.getElementById("bytecount").innerHTML = co;
if (search.value !== lastSearch && typeof searched !== 'undefined') searched(search.value);
//console.log(startPos+" "+endPos);
}
function updateSaveList() {
let saves = JSON.parse(localStorage.saves);
let searched = saveName.value;
let validSaves = saves.map(c=>c[0]).filter(c=>c.includes(searched));
saveList.innerHTML = validSaves.map(c=>`<a href=# onclick="saveClicked('${c}')">${c}</a>`).join('<hr>');
return validSaves;
}
function saveClicked(name) {
if (menu === 1) saveSave(name);
else loadSave(name);
}
function loadSave(name) {
let sa = JSON.parse(localStorage.saves);
let save = sa.find(c=>c[0] === name);
if (save) {
overlay.style.display = "none";
program.focus();
program.value = save[1];
inputs.value = save[2];
if (save[3]) inputs.focus();
else program.focus();
} else {
console.warn("No save named "+name+" found");
}
menu = 0;
overlay.style.display = "none";
}
function saveSave(name) {
overlay.style.display = "none";
program.focus();
let sa = JSON.parse(localStorage.saves);
sa = sa.filter(c=>c[0] !== name);
sa.push([name, program.value, inputs.value, inputFocused]);
localStorage.saves = JSON.stringify(sa);
}
document.addEventListener ("keydown", e => {
if (e.ctrlKey && e.code === "KeyB") {
bpS = document.getElementById("program").selectionStart;
bpE = document.getElementById("program").selectionEnd;
e.preventDefault();
}
if (menu) {
if (e.key === "Escape") {
e.preventDefault();
menu = 0;
overlay.style.display = "none";
(inputFocused? inputs : program).focus();
} else if (e.key === "Enter") {
e.preventDefault();
if (menu === 1) {
saveSave(saveName.value);
} else {
loadSave(updateSaveList()[0]);
}
menu = 0;
}
} else if (e.key === 'r' && e.ctrlKey) {
e.preventDefault();
loadPermalink();
} else if (e.key === 'i' && e.ctrlKey) {
e.preventDefault();
inputs.focus();
} else if (e.key === 'p' && e.ctrlKey) {
e.preventDefault();
program.focus();
} else if (e.key === 'g' && e.ctrlKey) {
e.preventDefault();
search.focus();
} else if (e.ctrlKey && e.code === "Enter") {
e.preventDefault();
runMain();
} else if (e.key === 's' && e.ctrlKey) {
e.preventDefault();
inputFocused = +(document.activeElement === inputs);
overlay.style.display = "block";
prevFocused =
saveName.focus();
menuTitle.innerText = "Save";
menu = 1;
updateSaveList();
} else if (e.key === 'o' && e.ctrlKey) {
e.preventDefault();
inputFocused = +(document.activeElement === inputs);
overlay.style.display = "block";
saveName.value = "";
saveName.focus();
menuTitle.innerText = "Open";
menu = 2;
updateSaveList();
}
});
document.onkeydown = updater;
update();
// loading the appropriate version JS file
const JSname = latestVersion === usedVersion ? "main.js" : "old/main" + usedVersion + ".js";
let doneSteps = 0;
$.ajax({
url: JSname,
success: function (JScode) {
try {
eval("async()=>{}")
} catch(e) {
JScode = JScode.replace(/\b(async|await)\b/g, "");
console.log("Looks like async isn't supported. Removing it from the code with Regex. Programs which run indefinitely can (and should) hang the page.");
}
window.eval(JScode);
console.log("main.js loaded!");
doneSteps++;
if (doneSteps === 2 && args.includes("run")) runMain();
},
error: (e)=>console.error(e),
});
const asciiArtName = usedVersion < 2 ? "old/asciiartB2.js" : usedVersion < 3 ? "old/asciiartB3.js" : "asciiart.js";
$.ajax({
url: asciiArtName,
success: function (JScode) {
window.eval(JScode);
console.log("Canvas loaded!");
doneSteps++;
if (doneSteps === 2 && args.includes("run")) runMain();
},
error: (e)=>console.error(e),
});
function clip(str) {
const ta = document.createElement("textarea");
document.body.appendChild(ta);
ta.value = str;
ta.focus();
ta.select();
document.execCommand('copy');
ta.remove();
return str;
}
async function tests() {
let failed = 0;
// run all examples
for (let c of data) {
// console.log("Testing",c.c,[c])
let ae = c.examples || [];
if (c.types.length) {
for (let ct of c.types) ae.push(...ct.e)
}
cexample: for (let e of ae) { // test examples
console.groupEnd();
if (!e.raw || e.raw.includes("//NOTTEST")) continue;
let toEval = "["+e.raw.replace("//TEST","").replace(/¶/g, "\\n")+"]";
let outputs = [];
try {
outputs.push(eval(toEval));
} catch (e) {}
try {
outputs.push(eval(toEval.replace(/\\(?!n)/g,"\\\\")));
} catch (e) {}
outputs = outputs.filter(c=>c);
if (outputs.length === 0) {
console.error("Malfunctioned example:", toEval);
failed++;
continue;
}
let cc = new CanvasCode(e.c, []);
let out;
console.groupCollapsed(`%ctesting \`${e.c}\`; expecting`, "font-weight: normal;", outputs);
try {
out = await cc.run(0, false, false);
} catch (e) {
stop();
failed++;
console.groupEnd();
console.error("Interpreter errored:",e);
continue;
}
function rec(x) {
if (isArr(x)) return x.map(c=>rec(c));
else if (isArt(x)) return x.toString();
else if (isNum(x)) return x.doubleValue();
else return x;
}
let stack = rec(cc.stack);
for (let expected of outputs) {
let expStr = (expected.length > 1 || isArr(expected[0]))? null : expected[0]+"";
// console.log(expected,stack, equal(expected,stack));
// let expNorm = isArr(expected)? bigify(expected) : null;
try {
if (expStr!==null && out === expStr) {
console.log("pass: output");
continue cexample;
} else if (equal(stack[stack.length-1], expected[0])) {
console.log("pass: ToS");
continue cexample;
} else if (equal(stack, expected)) {
console.log("pass: stack");
continue cexample;
}
} catch (e) {
console.error("what", e);
}
}
failed++;
console.groupEnd();
console.error("got",out,stack);
}
}
console.groupEnd();
// test numbers
for (i in new Array(300).fill()) {
let r = compressNum(+i);
let cc = new CanvasCode(r, []);
let res = await cc.run(0, false, false);
console.log("testing", i, r);
if (res !== i) {
failed++;
console.error(i+" failed as "+r);
}
}
// compress strings
let strings = [
[11, "yay","1!111!1!11!111!!1"],
[11, "_--__--_-__---____-_", "__/---\\__"],
[17, "bad compression", "!"],
...new Array(145).fill().map((_, i) => ["5", "1".repeat(i+1)]),
...new Array(145).fill().map((_, i) => ["5", "-".repeat(i+1)]),
...new Array(300).fill().map(()=> [0, new Array(18).fill().map(_=>stringChars.replace("¶ŗ","")[Math.random()*(stringChars.length-2) |0]).join('')]),
];
for (let [length, ...parts] of strings) {
let compressed = compressString(parts);
console.log("testing", parts, compressed);
let cc = new CanvasCode(compressed, []);
let res = await cc.run(0, false, false);
if (length && (typeof length === 'number'? compressed.length !== length : compressed.length > +length)) console.warn("unexpected length: wanted "+length+", got "+compressed.length);
if (res !== parts.join('')) {
console.error("Compression failed!");
failed++;
}
}
if (failed) {
console.warn(failed+" tests not passed…");
} else {
console.log("Passed all tests!");
}
}
</script>
</body>
</html>