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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
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
Debug = debug.Debug
var exception = null;
var break_count = 0;
const expected_frames = [
// func-name; wasm?; pos; line; col
['call_debugger', false], // --
['wasm_2', true, 56, 2, 2], // --
['wasm_1', true, 52, 3, 2], // --
['testFrameInspection', false], // --
['', false]
];
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
++break_count;
try {
var frame_count = exec_state.frameCount();
assertEquals(expected_frames.length, frame_count, 'frame count');
for (var i = 0; i < frame_count; ++i) {
var frame = exec_state.frame(i);
assertEquals(expected_frames[i][0], frame.func().name(), 'name at ' + i);
if (expected_frames[i][1]) { // wasm frame?
assertEquals(expected_frames[i][3], frame.sourceLine(), 'line at ' + i);
assertEquals(expected_frames[i][4], frame.sourceColumn(),
'column at ' + i);
}
}
} catch (e) {
exception = e;
}
};
var builder = new WasmModuleBuilder();
// wasm_1 calls wasm_2 on offset 2.
// wasm_2 calls call_debugger on offset 1.
builder.addImport("mod", 'func', kSig_v_v);
builder.addFunction('wasm_1', kSig_v_v)
.addBody([kExprNop, kExprCallFunction, 2])
.exportAs('main');
builder.addFunction('wasm_2', kSig_v_v).addBody([kExprCallFunction, 0]);
function call_debugger() {
debugger;
}
var module = builder.instantiate({mod: {func: call_debugger}});
(function testFrameInspection() {
Debug.setListener(listener);
module.exports.main();
Debug.setListener(null);
assertEquals(1, break_count);
if (exception) throw exception;
})();
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