Function trackScripts

deps/v8/test/inspector/debugger/wasm-scripts.js:124–189

(debuggerParams)

    .then(() => InspectorTest.completeTest());

function trackScripts(debuggerParams) {
  let {id: sessionId, Protocol} = contextGroup.connect();
  let scripts = [];

  Protocol.Debugger.enable(debuggerParams);
  Protocol.Debugger.onScriptParsed(handleScriptParsed);

  function printDebugSymbols(symbols) {
    const symbolsLog = symbols.map(symbol => `${symbol.type}:${symbol.externalURL}`);
    return `debug symbols: [${symbolsLog}]`;
  }

  async function loadScript({
    url,
    scriptId,
    sourceMapURL,
    startColumn,
    endColumn,
    codeOffset,
    debugSymbols
  }) {
    let stableId = nextStableId(scriptId);
    InspectorTest.log(`Session #${sessionId}: Script #${
        scripts.length} parsed. URL: ${url}. Script ID: ${
        stableId}, Source map URL: ${sourceMapURL}, ${
        printDebugSymbols(debugSymbols)}. module begin: ${
        startColumn}, module end: ${endColumn}, code offset: ${codeOffset}`);
    let {result: {scriptSource, bytecode}} =
        await Protocol.Debugger.getScriptSource({scriptId});
    if (bytecode) {
      if (scriptSource) {
        InspectorTest.log('Unexpected scriptSource with bytecode: ');
        InspectorTest.log(scriptSource);
      }
      // Binary value is represented as base64 in JSON, decode it.
      bytecode = InspectorTest.decodeBase64(bytecode);
      // Check that it can be parsed back to a WebAssembly module.
      let module = new WebAssembly.Module(bytecode);
      scriptSource =
          `
Raw: ${Array.from(bytecode, b => ('0' + b.toString(16)).slice(-2)).join(' ')}
Imports: [${
              WebAssembly.Module.imports(module)
                  .map(i => `${i.name}: ${i.kind} from "${i.module}"`)
                  .join(', ')}]
Exports: [${
              WebAssembly.Module.exports(module)
                  .map(e => `${e.name}: ${e.kind}`)
                  .join(', ')}]
      `.trim();
    }
    InspectorTest.log(`Session #${sessionId}: Source for ${url}:`);
    InspectorTest.log(scriptSource);
  }

  function handleScriptParsed({params}) {
    if (params.url.startsWith('wasm://')) {
      scripts.push(loadScript(params));