jvmrs 0.1.2

A JVM implementation in Rust with Cranelift JIT, AOT compilation, and WebAssembly support
Documentation 
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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>JVMRS - Java via WebAssembly in the Browser</title>
  <style>
    body { font-family: system-ui, sans-serif; max-width: 600px; margin: 2rem auto; padding: 0 1rem; }
    h1 { color: #333; }
    #output { background: #1e1e1e; color: #d4d4d4; padding: 1rem; border-radius: 6px; min-height: 100px; font-family: monospace; white-space: pre-wrap; }
    button { padding: 0.5rem 1rem; font-size: 1rem; cursor: pointer; margin-right: 0.5rem; }
    .info { color: #666; font-size: 0.9rem; margin-top: 1rem; }
  </style>
</head>
<body>
  <h1>JVMRS - Browser Execution</h1>
  <p>Java bytecode compiled to WebAssembly runs directly in the browser—no JVM download, sandboxed execution.</p>
  <button id="runBtn">Run WASM</button>
  <div id="output">Loading...</div>
  <p class="info">
    To use: compile a class with <code>cargo build --features wasm</code>, then run the wasm export tool to generate <code>app.wasm</code>.
    Place it in this directory and load this page (use a local server: <code>python -m http.server</code>).
  </p>

  <script>
    const output = document.getElementById('output');
    const runBtn = document.getElementById('runBtn');

    function log(msg) {
      output.textContent += msg + '\n';
    }

    function clearLog() {
      output.textContent = '';
    }

    async function loadAndRun() {
      clearLog();
      try {
        log('Fetching app.wasm...');
        const response = await fetch('app.wasm');
        if (!response.ok) throw new Error('app.wasm not found. Build with: cargo build --features wasm');
        const bytes = await response.arrayBuffer();
        log('Instantiating WebAssembly module...');
        const { instance } = await WebAssembly.instantiate(bytes);
        log('WASM module loaded.');
        const main = instance.exports.main;
        if (main) {
          log('Invoking main()...');
          const result = main(0, 0, 0, 0);
          log('Result: ' + result);
        } else {
          log('No "main" export. Ensure class was compiled with --features wasm.');
        }
      } catch (e) {
        log('Error: ' + e.message);
      }
    }

    runBtn.addEventListener('click', loadAndRun);
    loadAndRun();
  </script>
</body>
</html>