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// 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.
load("test/mjsunit/wasm/wasm-module-builder.js");
var builder = new WasmModuleBuilder();
builder.addFunction('sub', kSig_i_ii)
// input is 2 args of type int and output is int
.addBody([
kExprLocalGet, 0, // local.get i0
kExprLocalGet, 1, // local.get i1
kExprI32Sub]) // i32.sub i0 i1
.exportFunc();
const instance = builder.instantiate();
const wasm_f = instance.exports.sub;
Debug = debug.Debug;
var exception = null;
var js_break_line = 0;
var break_count = 0;
var wasm_break_count = 0;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
print(event_data.sourceLineText());
print(event_data.functionName());
if (event_data.sourceLineText() == 'Debug.setListener(null);') {
return;
}
if (event_data.functionName() == 'f') {
break_count++;
assertTrue(
event_data.sourceLineText().indexOf(`Line ${js_break_line}.`) > 0);
js_break_line++;
} else {
assertTrue(event_data.functionName() == 'sub');
wasm_break_count++;
}
exec_state.prepareStep(Debug.StepAction.StepIn);
} catch (e) {
exception = e;
print(e);
}
};
function f() {
var result = wasm_f(3, 2); // Line 0.
result++; // Line 1.
return result; // Line 2.
}
assertEquals(2, f());
Debug.setListener(listener);
// Set a breakpoint on line 0.
Debug.setBreakPoint(f, 1);
// Set a breakpoint on line 2.
Debug.setBreakPoint(f, 3);
f();
Debug.setListener(null);
var break_count2 = 0;
// In the second execution, only break at javascript frame.
function listener2(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
print(event_data.sourceLineText());
if (event_data.sourceLineText() == 'Debug.setListener(null);') {
return;
}
print(event_data.functionName());
assertTrue(event_data.sourceLineText().indexOf(`Line `) > 0);
assertEquals(event_data.functionName(), 'f');
break_count2++;
exec_state.prepareStep(Debug.StepAction.StepOut);
} catch (e) {
exception = e;
print(e);
}
};
Debug.setListener(listener2);
f();
Debug.setListener(null);
assertEquals(3, break_count);
assertEquals(3, js_break_line);
assertEquals(4, wasm_break_count);
assertEquals(2, break_count2);
assertNull(exception);
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