d4a42a5f89
This allows to show wasm source (disassembled wasm code) in DevTools. See design doc for details. More tests for the disassembly will have to follow. Also, the text format (generated by V8) will be changed. BUG=chromium:659715 R=yangguo@chromium.org, kozyatinskiy@chromium.org, titzer@chromium.org, dgozman@chromium.org Review-Url: https://codereview.chromium.org/2493773003 Cr-Commit-Position: refs/heads/master@{#41055}
97 lines
2.9 KiB
JavaScript
97 lines
2.9 KiB
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-wasm
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load('test/mjsunit/wasm/wasm-constants.js');
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load('test/mjsunit/wasm/wasm-module-builder.js');
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var builder = new WasmModuleBuilder();
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var imported_idx = builder.addImport("func", kSig_v_v);
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var call_imported_idx = builder.addFunction('call_func', kSig_v_v)
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.addBody([kExprCallFunction, imported_idx])
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.index;
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// Open a block in order to make the positions more interesting...
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builder.addFunction('main', kSig_v_v)
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.addBody(
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[kExprBlock, kAstStmt, kExprCallFunction, call_imported_idx, kExprEnd])
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.exportAs('main');
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var module_bytes = builder.toArray();
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function testFunction(bytes) {
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function call_debugger() {
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debugger;
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}
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var buffer = new ArrayBuffer(bytes.length);
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var view = new Uint8Array(buffer);
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for (var i = 0; i < bytes.length; i++) {
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view[i] = bytes[i] | 0;
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}
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var module = new WebAssembly.Module(buffer);
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var instance = new WebAssembly.Instance(module, {func: call_debugger});
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instance.exports.main();
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}
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InspectorTest.addScript(testFunction.toString());
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Protocol.Debugger.enable();
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Protocol.Debugger.onPaused(handleDebuggerPaused);
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InspectorTest.log('Running testFunction with generated WASM bytes...');
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Protocol.Runtime.evaluate(
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{'expression': 'testFunction(' + JSON.stringify(module_bytes) + ')'});
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function locationToString(callFrame) {
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var res = {functionName: callFrame.functionName};
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for (var attr in callFrame.functionLocation) {
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if (attr == 'scriptId') continue;
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res['function_'+attr] = callFrame.functionLocation[attr];
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}
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for (var attr in callFrame.location) {
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if (attr == 'scriptId') continue;
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res[attr] = callFrame.location[attr];
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}
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return JSON.stringify(res);
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}
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function logStackTrace(messageObject) {
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var frames = messageObject.params.callFrames;
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InspectorTest.log('Number of frames: ' + frames.length);
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for (var i = 0; i < frames.length; ++i) {
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InspectorTest.log(' - [' + i + '] ' + locationToString(frames[i]));
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}
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}
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function handleDebuggerPaused(messageObject)
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{
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InspectorTest.log('Paused on \'debugger;\'');
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logStackTrace(messageObject);
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InspectorTest.log('Getting v8-generated stack trace...');
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var topFrameId = messageObject.params.callFrames[0].callFrameId;
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Protocol.Debugger
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.evaluateOnCallFrame({
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callFrameId: topFrameId,
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expression: '(new Error("this is your stack trace:")).stack'
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})
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.then(callbackEvaluate);
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}
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function callbackEvaluate(response)
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{
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InspectorTest.log(
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'Result of evaluate (' + response.result.result.type + '):');
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var result_lines = response.result.result.value.split('\n');
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// Skip the second line, containing the 'evaluate' position.
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result_lines[1] = ' -- skipped --';
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InspectorTest.log(result_lines.join('\n'));
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InspectorTest.log('Finished!');
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InspectorTest.completeTest();
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}
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