// Copyright 2019 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. utils.load('test/inspector/wasm-inspector-test.js'); let {session, contextGroup, Protocol} = InspectorTest.start('Tests stepping to javascript from wasm'); session.setupScriptMap(); let builder = new WasmModuleBuilder(); // wasm_A let func = builder.addFunction('wasm_A', kSig_v_v) .addBody([ // clang-format off kExprNop, // Line 1 // clang-format on ]) .exportAs('main'); let module_bytes = builder.toArray(); Protocol.Debugger.onPaused(async message => { InspectorTest.log("paused"); var frames = message.params.callFrames; await session.logSourceLocation(frames[0].location); let action = step_actions.shift() || 'resume'; InspectorTest.log('Debugger.' + action) await Protocol.Debugger[action](); }) let step_actions = [ // start of run 1 'resume', // move to breakpoint // then get back to Javascript. 'stepOut', 'resume', // end of run 1 // start of run 2 'resume', // move to breakpoint // then get back to Javascript. 'stepOver', 'resume', // end of run 2 // start of run 3 'resume', // move to breakpoint // then get back to Javascript. 'stepInto', 'resume', // end of run 3 ]; contextGroup.addScript(` function test() { debugger; instance.exports.main(); var x = 1; x++; } //# sourceURL=test.js`); (async function Test() { await Protocol.Debugger.enable(); InspectorTest.log('Calling instantiate function.'); WasmInspectorTest.instantiate(module_bytes); const scriptId = await waitForWasmScript(); InspectorTest.log( 'Setting breakpoint at start of wasm function'); let msg = await Protocol.Debugger.setBreakpoint( {'location': {'scriptId': scriptId, 'lineNumber': 0, 'columnNumber': func.body_offset}}); printFailure(msg); InspectorTest.logMessage(msg.result.actualLocation); for (var i=1; i<=3; i++) { InspectorTest.log('Start run '+ i); await Protocol.Runtime.evaluate({ expression: 'test()' }); InspectorTest.log('exports.main returned!'); InspectorTest.log('Finished run '+ i +'!\n'); } InspectorTest.completeTest(); })(); function printFailure(message) { if (!message.result) { InspectorTest.logMessage(message); } return message; } async function waitForWasmScript() { InspectorTest.log('Waiting for wasm scripts to be parsed.'); while (true) { let msg = await Protocol.Debugger.onceScriptParsed(); let url = msg.params.url; if (!url.startsWith('wasm://')) { InspectorTest.log('Ignoring script with url ' + url); continue; } let scriptId = msg.params.scriptId; InspectorTest.log('Got wasm script: ' + url); return scriptId; } }