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// Copyright 2016 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.
// Flags: --expose-wasm
let {session, contextGroup, Protocol} = InspectorTest.start('Tests call stack in wasm scripts');
utils.load('test/mjsunit/wasm/wasm-module-builder.js');
var builder = new WasmModuleBuilder();
var imported_idx = builder.addImport("mode", "func", kSig_v_v);
var call_imported_idx = builder.addFunction('call_func', kSig_v_v)
.addBody([kExprCallFunction, imported_idx])
.index;
// Open a block in order to make the positions more interesting...
builder.addFunction('main', kSig_v_v)
.addBody(
[kExprBlock, kWasmStmt, kExprCallFunction, call_imported_idx, kExprEnd])
.exportAs('main');
var module_bytes = builder.toArray();
function testFunction(bytes) {
function call_debugger() {
debugger;
}
var buffer = new ArrayBuffer(bytes.length);
var view = new Uint8Array(buffer);
for (var i = 0; i < bytes.length; i++) {
view[i] = bytes[i] | 0;
}
var module = new WebAssembly.Module(buffer);
var instance = new WebAssembly.Instance(module, {mode: {func: call_debugger}});
instance.exports.main();
}
contextGroup.addScript(testFunction.toString());
Protocol.Debugger.enable();
Protocol.Debugger.onPaused(handleDebuggerPaused);
InspectorTest.log('Running testFunction with generated wasm bytes...');
Protocol.Runtime.evaluate(
{'expression': 'testFunction(' + JSON.stringify(module_bytes) + ')'});
function locationToString(callFrame) {
var res = {functionName: callFrame.functionName};
for (var attr in callFrame.functionLocation) {
if (attr == 'scriptId') continue;
res['function_'+attr] = callFrame.functionLocation[attr];
}
for (var attr in callFrame.location) {
if (attr == 'scriptId') continue;
res[attr] = callFrame.location[attr];
}
return JSON.stringify(res);
}
function logStackTrace(messageObject) {
var frames = messageObject.params.callFrames;
InspectorTest.log('Number of frames: ' + frames.length);
for (var i = 0; i < frames.length; ++i) {
InspectorTest.log(' - [' + i + '] ' + locationToString(frames[i]));
}
}
function handleDebuggerPaused(messageObject)
{
InspectorTest.log('Paused on \'debugger;\'');
logStackTrace(messageObject);
InspectorTest.log('Getting v8-generated stack trace...');
var topFrameId = messageObject.params.callFrames[0].callFrameId;
Protocol.Debugger
.evaluateOnCallFrame({
callFrameId: topFrameId,
expression: '(new Error("this is your stack trace:")).stack'
})
.then(callbackEvaluate);
}
function callbackEvaluate(response)
{
InspectorTest.log(
'Result of evaluate (' + response.result.result.type + '):');
var result_lines = response.result.result.value.split('\n');
// Skip the second line, containing the 'evaluate' position.
result_lines[1] = ' -- skipped --';
InspectorTest.log(result_lines.join('\n'));
InspectorTest.log('Finished!');
InspectorTest.completeTest();
}
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