| // 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); |