2025-08-14 07:19:23 +09:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Nyash WASM Demo</title>
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<style>
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body {
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font-family: 'Courier New', monospace;
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background: #1e1e1e;
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color: #d4d4d4;
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padding: 20px;
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max-width: 800px;
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margin: 0 auto;
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}
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h1 {
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color: #569cd6;
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text-align: center;
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}
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.container {
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background: #2d2d30;
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padding: 20px;
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border-radius: 8px;
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box-shadow: 0 2px 8px rgba(0,0,0,0.3);
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}
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button {
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background: #007acc;
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color: white;
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border: none;
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padding: 10px 20px;
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margin: 5px;
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border-radius: 4px;
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cursor: pointer;
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font-size: 16px;
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}
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button:hover {
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background: #005a9e;
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}
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#output {
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background: #1e1e1e;
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padding: 15px;
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margin-top: 20px;
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border-radius: 4px;
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min-height: 100px;
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white-space: pre-wrap;
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border: 1px solid #3e3e42;
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}
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2025-11-06 15:41:52 +09:00
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.hako-title {
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2025-08-14 07:19:23 +09:00
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color: #c586c0;
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font-size: 24px;
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}
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input {
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background: #3c3c3c;
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color: white;
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border: 1px solid #555;
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padding: 5px 10px;
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margin: 0 5px;
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border-radius: 4px;
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width: 60px;
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text-align: center;
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}
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</style>
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</head>
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<body>
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<h1>🎁 <span class="nyash-title">Nyash</span> WASM Demo</h1>
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<div class="container">
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<h2>Everything is Box... even in WASM! 📦</h2>
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<div>
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<button onclick="runMain()">Run main()</button>
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<button onclick="getHelloString()">Get Hello String</button>
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</div>
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<div style="margin-top: 20px;">
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<input type="number" id="num1" value="42" />
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+
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<input type="number" id="num2" value="8" />
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<button onclick="runAdd()">Calculate</button>
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</div>
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<div id="output">Output will appear here...</div>
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</div>
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<script>
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let wasmInstance = null;
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let output = document.getElementById('output');
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function log(message) {
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output.textContent += message + '\n';
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console.log(message);
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}
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function clearOutput() {
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output.textContent = '';
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}
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// Load and compile WASM
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async function loadWasm() {
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try {
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log('Loading Nyash WASM module...');
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// Check if wabt is available
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if (typeof WabtModule === 'undefined') {
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log('❌ wabt.js not loaded. Trying alternative method...');
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await loadWasmAlternative();
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return;
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}
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// Fetch the WAT file and compile it
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const response = await fetch('hello.wat');
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if (!response.ok) {
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throw new Error(`Failed to fetch hello.wat: ${response.status}`);
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}
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const watText = await response.text();
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log('📄 WAT file loaded successfully');
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// Use wabt.js to compile WAT to WASM
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const wabt = await WabtModule();
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const module = wabt.parseWat('hello.wat', watText);
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const binary = module.toBinary({});
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// Create import object
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const importObject = {
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console: {
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log: (value) => {
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log(`WASM says: ${value}`);
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}
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}
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};
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// Instantiate the module
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const wasmModule = await WebAssembly.instantiate(binary.buffer, importObject);
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wasmInstance = wasmModule.instance;
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log('✅ WASM module loaded successfully!');
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log('Ready to run Nyash in the browser!');
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} catch (error) {
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log('❌ Error loading WASM: ' + error.message);
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log('🔧 You can still test the interface - WASM loading will be fixed soon!');
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}
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}
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// Alternative method without wabt.js
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async function loadWasmAlternative() {
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log('📦 Using pre-compiled WASM (alternative method)');
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// Create a simple WASM module manually
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const wasmCode = new Uint8Array([
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0x00, 0x61, 0x73, 0x6d, // WASM magic
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0x01, 0x00, 0x00, 0x00, // Version
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]);
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// For now, create a dummy module
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wasmInstance = {
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exports: {
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add: (a, b) => a + b,
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main: () => { log('WASM says: 42 (dummy implementation)'); },
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getHelloString: () => 0,
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memory: { buffer: new ArrayBuffer(1024) }
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}
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};
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log('✅ Dummy WASM module created!');
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log('🎯 Try the buttons - they will work with JavaScript fallback');
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}
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function runMain() {
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clearOutput();
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if (!wasmInstance) {
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log('WASM not loaded yet!');
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return;
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}
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log('Running main()...');
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wasmInstance.exports.main();
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}
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function getHelloString() {
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clearOutput();
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if (!wasmInstance) {
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log('WASM not loaded yet!');
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return;
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}
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const ptr = wasmInstance.exports.getHelloString();
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const memory = new Uint8Array(wasmInstance.exports.memory.buffer);
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// Read string from memory
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let str = '';
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for (let i = ptr; memory[i] !== 0; i++) {
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str += String.fromCharCode(memory[i]);
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}
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log(`String from WASM: "${str}"`);
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}
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function runAdd() {
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clearOutput();
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if (!wasmInstance) {
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log('WASM not loaded yet!');
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return;
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}
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const a = parseInt(document.getElementById('num1').value);
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const b = parseInt(document.getElementById('num2').value);
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const result = wasmInstance.exports.add(a, b);
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log(`Nyash WASM calculated: ${a} + ${b} = ${result}`);
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}
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// Load WASM on page load
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window.onload = loadWasm;
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</script>
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<!-- Include wabt.js for WAT compilation -->
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<script src="https://cdn.jsdelivr.net/npm/wabt@1.0.24/index.js"></script>
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</body>
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</html>
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