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index.html
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<!DOCTYPE html>
<html lang="en">
<title>Ruby Explorer</title>
<link rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/codemirror.min.css"></link>
<script type="text/javascript"
src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/codemirror.min.js"></script>
<script type="text/javascript"
src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/mode/ruby/ruby.min.js"></script>
<script type="text/javascript"
src="https://cdn.jsdelivr.net/npm/ruby-head-wasm-wasi@latest/dist/browser.umd.js"></script>
<style>
body {
color: #363636;
font-family: monospace;
margin: 20px;
}
a {
color: #009aff;
text-decoration: none;
}
.tooltip {
position: relative;
display: inline-block;
border-bottom: 1px dotted #F1F1F1;
}
.tooltip .tooltiptext {
visibility: hidden;
width: 140px;
background-color: black;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 5px 0;
position: absolute;
z-index: 1;
top: -5px;
left: 105%;
}
.tooltip:hover .tooltiptext {
visibility: visible;
}
.container {
display: flex;
outline: 1px solid #d1d1d1;
}
#code {
width: 20%;
}
#flags {
display: flex-wrap;
padding-left: 15px;
padding-bottom: 15px;
}
.compiler-option {
width: 400px;
display: inline-block;
padding: 2px;
}
#result {
width: 100%;
padding: 10px;
background-color: #f6f6f6;
overflow: scroll;
white-space: pre;
}
.status-working {
border-left: 0.3rem solid #d1d1d1;
}
.status-success {
border-left: 0.3rem solid #BCE29E;
}
.status-failure {
border-left: 0.3rem solid #FF8787;
}
.button {
display: inline-block;
outline: 0;
cursor: pointer;
padding: 6px 10px;
vertical-align: middle;
border: 1px solid;
border-radius: 6px;
color: #24292e;
background-color: #fafbfc;
border-color: #1b1f2326;
transition: 0.2s cubic-bezier(0.3, 0, 0.5, 1);
transition-property: color, background-color, border-color;
}
.button:hover {
background-color: #f3f4f6;
border-color: #1b1f2326;
transition-duration: 0.1s;
}
#share-url {
width: 90%;
font-size: 10pt;
padding: 4px;
display: inline-block;
}
.result-div {
width: 50%;
margin: 20px;
}
</style>
<body>
<h3>Ruby Explorer</h3>
<div style="margin-bottom: 20px;">
Share Link:
<input type="text" id="share-url">
</div>
<h4>Compiler Options</h4>
<div id="flags">
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" checked="checked" id="inline_const_cache">
<label class="label-inline" for="inline_const_cache">inline_const_cache</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" checked="checked" id="peephole_optimization">
<label class="label-inline" for="peephole_optimization">peephole_optimization</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" id="tailcall_optimization">
<label class="label-inline" for="tailcall_optimization">tailcall_optimization</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" checked="checked" id="specialized_instruction">
<label class="label-inline" for="specialized_instruction">specialized_instruction</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" checked="checked" id="operands_unification">
<label class="label-inline" for="operands_unification">operands_unification</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" id="instructions_unification">
<label class="label-inline" for="instructions_unification">instructions_unification</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" id="stack_caching">
<label class="label-inline" for="stack_caching">stack_caching</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" id="frozen_string_literal">
<label class="label-inline" for="frozen_string_literal">frozen_string_literal</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" id="debug_frozen_string_literal">
<label class="label-inline" for="debug_frozen_string_literal">debug_frozen_string_literal</label>
</div>
<div class="compiler-option">
<input type="checkbox" class="compiler_toggle" checked="checked" id="coverage_enabled">
<label class="label-inline" for="coverage_enabled">coverage_enabled</label>
</div>
</div>
<h4>Code & Instructions</h4>
<div class="container">
<div id="code"></div>
<div id="result"></div>
</div>
<div class="container">
<div class="result-div">
<h4>Result</h4>
<div id="eval-result">
</div>
</div>
<div class="result-div">
<h4>stdout</h4>
<div id="stdout">
</div>
</div>
</div>
</body>
<script>
var timeout = null;
const RUBY_STACK_INFO = {
"nop": "0 args (+0,-0)",
"getlocal": "2 args (+1,-0)",
"setlocal": "2 args (+0,-1)",
"getblockparam": "2 args (+1,-0)",
"setblockparam": "2 args (+0,-1)",
"getblockparamproxy": "2 args (+1,-0)",
"getspecial": "2 args (+1,-0)",
"setspecial": "1 args (+0,-1)",
"getinstancevariable": "2 args (+1,-0)",
"setinstancevariable": "2 args (+0,-1)",
"getclassvariable": "2 args (+1,-0)",
"setclassvariable": "2 args (+0,-1)",
"getconstant": "1 args (+1,-2)",
"setconstant": "1 args (+0,-2)",
"getglobal": "1 args (+1,-0)",
"setglobal": "1 args (+0,-1)",
"putnil": "0 args (+1,-0)",
"putself": "0 args (+1,-0)",
"putobject": "1 args (+1,-0)",
"putspecialobject": "1 args (+1,-0)",
"putstring": "1 args (+1,-0)",
"concatstrings": "1 args (+1,-1)",
"anytostring": "0 args (+1,-2)",
"toregexp": "2 args (+1,-1)",
"intern": "0 args (+1,-1)",
"newarray": "1 args (+1,-1)",
"newarraykwsplat": "1 args (+1,-1)",
"duparray": "1 args (+1,-0)",
"duphash": "1 args (+1,-0)",
"expandarray": "2 args (+1,-2)",
"concatarray": "0 args (+1,-2)",
"splatarray": "1 args (+1,-1)",
"newhash": "1 args (+1,-1)",
"newrange": "1 args (+1,-2)",
"pop": "0 args (+0,-1)",
"dup": "0 args (+2,-1)",
"dupn": "1 args (+1,-1)",
"swap": "0 args (+2,-2)",
"reput": "0 args (+1,-2)",
"topn": "1 args (+1,-1)",
"setn": "1 args (+1,-2)",
"adjuststack": "1 args (+1,-1)",
"defined": "3 args (+1,-1)",
"checkmatch": "1 args (+1,-2)",
"checkkeyword": "2 args (+1,-0)",
"checktype": "1 args (+1,-1)",
"defineclass": "3 args (+1,-2)",
"definemethod": "2 args (+0,-0)",
"definesmethod": "2 args (+0,-1)",
"opt_send_without_block": "1 args (+1,-1)",
"send": "2 args (+1,-1)",
"objtostring": "1 args (+1,-1)",
"opt_str_freeze": "2 args (+1,-0)",
"opt_nil_p": "1 args (+1,-1)",
"opt_str_uminus": "2 args (+1,-0)",
"opt_newarray_max": "1 args (+1,-1)",
"opt_newarray_min": "1 args (+1,-1)",
"invokesuper": "2 args (+1,-1)",
"invokeblock": "1 args (+1,-1)",
"leave": "0 args (+1,-1)",
"throw": "1 args (+1,-1)",
"jump": "1 args (+0,-0)",
"branchif": "1 args (+0,-1)",
"branchunless": "1 args (+0,-1)",
"branchnil": "1 args (+0,-1)",
"opt_getinlinecache": "2 args (+1,-0)",
"opt_setinlinecache": "1 args (+1,-1)",
"once": "2 args (+1,-0)",
"opt_case_dispatch": "2 args (+0,-2)",
"opt_plus": "1 args (+1,-2)",
"opt_minus": "1 args (+1,-2)",
"opt_mult": "1 args (+1,-2)",
"opt_div": "1 args (+1,-2)",
"opt_mod": "1 args (+1,-2)",
"opt_eq": "1 args (+1,-2)",
"opt_neq": "2 args (+1,-2)",
"opt_lt": "1 args (+1,-2)",
"opt_le": "1 args (+1,-2)",
"opt_gt": "1 args (+1,-2)",
"opt_ge": "1 args (+1,-2)",
"opt_ltlt": "1 args (+1,-2)",
"opt_and": "1 args (+1,-2)",
"opt_or": "1 args (+1,-2)",
"opt_aref": "1 args (+1,-2)",
"opt_aset": "1 args (+1,-3)",
"opt_aset_with": "2 args (+1,-2)",
"opt_aref_with": "2 args (+1,-1)",
"opt_length": "1 args (+1,-1)",
"opt_size": "1 args (+1,-1)",
"opt_empty_p": "1 args (+1,-1)",
"opt_succ": "1 args (+1,-1)",
"opt_not": "1 args (+1,-1)",
"opt_regexpmatch": "1 args (+1,-2)",
"opt_call_c_function": "1 args (+0,-0)",
"invokebuiltin": "1 args (+1,-1)",
"opt_invokebuiltin_delegate": "2 args (+1,-0)",
"opt_invokebuiltin_delegate_leave": "2 args (+1,-0)",
"bitblt": "0 args (+1,-0)",
"answer": "0 args (+1,-0)"
};
const infoURLPart = "https://kddnewton.com/yarv/#";
const defaultProgram = `def greet(name)
puts "hello #{name}"
end
greet("World")
123 * 456`;
var startProgram = defaultProgram;
const urlParams = new URLSearchParams(window.location.search);
var code = urlParams.get('c');
if (code) {
startProgram = code;
}
const shareInput = document.getElementById("share-url");
if (urlParams.toString() === "") {
shareInput.value = window.location.toString();
} else {
if (window.location.toString().match(/\?/)) {
shareInput.value = window.location.toString().split(/\?/)[0] + "?" + urlParams;
} else {
shareInput.value = window.location.toString() + "?" + urlParams;
}
}
window.Editor = new CodeMirror(document.querySelector('#code'), {
lineNumbers: true,
tabSize: 2,
value: startProgram
});
const { DefaultRubyVM } = window["ruby-wasm-wasi"];
window.DRVM = DefaultRubyVM;
const main = async () => {
const response = await fetch("https://cdn.jsdelivr.net/npm/ruby-head-wasm-wasi@latest/dist/ruby+stdlib.wasm");
const buffer = await response.arrayBuffer();
const module = await WebAssembly.compile(buffer);
window.rubyMod = module;
const { vm } = await DefaultRubyVM(module);
window.VM = vm;
const compileFunc = function() {
const compilerArgs = `
inline_const_cache: ${document.getElementById("inline_const_cache").checked ? 'true' : 'false' },
peephole_optimization: ${document.getElementById("peephole_optimization").checked ? 'true' : 'false' },
tailcall_optimization: ${document.getElementById("tailcall_optimization").checked ? 'true' : 'false' },
specialized_instruction: ${document.getElementById("specialized_instruction").checked ? 'true' : 'false' },
operands_unification: ${document.getElementById("operands_unification").checked ? 'true' : 'false' },
instructions_unification: ${document.getElementById("instructions_unification").checked ? 'true' : 'false' },
stack_caching: ${document.getElementById("stack_caching").checked ? 'true' : 'false' },
frozen_string_literal: ${document.getElementById("frozen_string_literal").checked ? 'true' : 'false' },
debug_frozen_string_literal: ${document.getElementById("debug_frozen_string_literal").checked ? 'true' : 'false' },
coverage_enabled: ${document.getElementById("coverage_enabled").checked ? 'true' : 'false' }`.replaceAll("\n", " ");
const resultDiv = document.getElementById("result");
const urlParams = new URLSearchParams(window.location.search);
var curCode = window.Editor.getValue()
urlParams.set('c', curCode);
if (curCode != startProgram) {
if (window.location.toString().match(/\?/)) {
shareInput.value = window.location.toString().split(/\?/)[0] + "?" + urlParams;
} else {
shareInput.value = window.location.toString() + "?" + urlParams;
}
startProgram = curCode;
}
var insns;
const rubyCode = `
code = <<'SUPER_SECRET_HEREDOC'
${window.Editor.getValue()}
SUPER_SECRET_HEREDOC
RubyVM::InstructionSequence.compile(code, ${compilerArgs}).disassemble`;
try {
insns = vm.eval(rubyCode).toString();
}
catch(err) {
resultDiv.classList.remove("status-success");
resultDiv.classList.remove("status-working");
resultDiv.classList.add("status-failure");
resultDiv.innerHTML = '';
resultDiv.innerText = err.message;
return;
}
resultDiv.innerHTML = '';
resultDiv.classList.remove("status-working");
resultDiv.classList.remove("status-failure");
resultDiv.classList.add("status-success");
const formattedInsns = insns.split(/\n/).map((line) => {
var replaced = false;
Object.keys(RUBY_STACK_INFO).find((instructionOp) => {
if (line.match(instructionOp)) {
replaced = true;
const tooltipDiv = document.createElement("div");
tooltipDiv.classList.add("tooltip");
const link = document.createElement("a");
link.href = (infoURLPart + instructionOp.replaceAll("_", ""));
link.innerText = instructionOp;
const tooltipText = document.createElement("span");
tooltipText.classList.add("tooltiptext");
tooltipText.innerText = RUBY_STACK_INFO[instructionOp];
const pre = document.createTextNode(line.split(instructionOp)[0]);
resultDiv.appendChild(pre);
tooltipDiv.appendChild(link);
tooltipDiv.appendChild(tooltipText);
resultDiv.appendChild(tooltipDiv);
const post = document.createTextNode(line.split(instructionOp)[1] + "\n");
resultDiv.appendChild(post);
return true;
}
return false;
});
if (replaced === false) {
const textnode = document.createTextNode(line + "\n");
resultDiv.appendChild(textnode);
}
});
// result & stdout
const run_in_fresh_vm = async () => {
const { vm } = await DefaultRubyVM(module);
// capture result and stdout
const enable_tracing = vm.eval(`
require 'stringio'
$stdout = StringIO.new
`);
try {
const result = vm.eval(window.Editor.getValue());
const stdout = vm.eval(`$stdout.string`);
document.getElementById("eval-result").innerText = result;
document.getElementById("stdout").innerText = stdout;
}
catch(err) {
// error messages are handled above
document.getElementById("eval-result").innerText = "";
document.getElementById("stdout").innerText = "";
}
}
run_in_fresh_vm();
};
window.Editor.on('changes', () => {
clearTimeout(timeout);
timeout = setTimeout(compileFunc, 30);
});
Array.from(document.getElementsByClassName("compiler_toggle")).forEach((ct) => {
ct.addEventListener('change', (event) => {
compileFunc();
});
});
compileFunc();
};
main();
</script>
</html>