| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Flags: --expose-debug-as debug --expose-gc --allow-natives-syntax --inline-construct |
| // Get the Debug object exposed from the debug context global object. |
| Debug = debug.Debug |
| |
| var listenerComplete = false; |
| var exception = false; |
| |
| var testingConstructCall = false; |
| |
| var expected = [ |
| { locals: {a0: 1, b0: 2}, args: { names: ["i", "x0", "y0"], values: [0, 3, 4] } }, |
| { locals: {a1: 3, b1: 4}, args: { names: ["i", "x1", "y1"], values: [1, 5, 6] } }, |
| { locals: {a2: 5, b2: 6}, args: { names: ["i"], values: [2] } }, |
| { locals: {a3: 7, b3: 8}, args: { names: ["i", "x3", "y3", "z3"], values: [3, 9, 10, undefined] } }, |
| { locals: {a4: 9, b4: 10}, args: { names: ["i", "x4", "y4"], values: [4, 11, 12] } } |
| ]; |
| |
| function arraySum(arr) { |
| return arr.reduce(function (a, b) { return a + b; }, 0); |
| } |
| |
| function listener(event, exec_state, event_data, data) { |
| try { |
| if (event == Debug.DebugEvent.Break) |
| { |
| assertEquals(6, exec_state.frameCount()); |
| |
| for (var i = 0; i < exec_state.frameCount(); i++) { |
| var frame = exec_state.frame(i); |
| if (i < exec_state.frameCount() - 1) { |
| var expected_args = expected[i].args; |
| var expected_locals = expected[i].locals; |
| |
| // All frames except the bottom one have expected locals. |
| var locals = {}; |
| for (var j = 0; j < frame.localCount(); j++) { |
| locals[frame.localName(j)] = frame.localValue(j).value(); |
| } |
| assertPropertiesEqual(expected_locals, locals); |
| |
| // All frames except the bottom one have expected arguments. |
| for (var j = 0; j < expected_args.names.length; j++) { |
| assertEquals(expected_args.names[j], frame.argumentName(j)); |
| assertEquals(expected_args.values[j], frame.argumentValue(j).value()); |
| } |
| |
| // All frames except the bottom one have two scopes. |
| assertEquals(2, frame.scopeCount()); |
| assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType()); |
| assertEquals(debug.ScopeType.Global, frame.scope(1).scopeType()); |
| |
| Object.keys(expected_locals).forEach(function (name) { |
| assertEquals(expected_locals[name], frame.scope(0).scopeObject().value()[name]); |
| }); |
| |
| for (var j = 0; j < expected_args.names.length; j++) { |
| var arg_name = expected_args.names[j]; |
| var arg_value = expected_args.values[j]; |
| assertEquals(arg_value, frame.scope(0).scopeObject().value()[arg_name]); |
| } |
| |
| // Evaluate in the inlined frame. |
| Object.keys(expected_locals).forEach(function (name) { |
| assertEquals(expected_locals[name], frame.evaluate(name).value()); |
| }); |
| |
| for (var j = 0; j < expected_args.names.length; j++) { |
| var arg_name = expected_args.names[j]; |
| var arg_value = expected_args.values[j]; |
| assertEquals(arg_value, frame.evaluate(arg_name).value()); |
| assertEquals(arg_value, frame.evaluate('arguments['+j+']').value()); |
| } |
| |
| var expected_args_sum = arraySum(expected_args.values); |
| var expected_locals_sum = |
| arraySum(Object.keys(expected_locals). |
| map(function (k) { return expected_locals[k]; })); |
| |
| assertEquals(expected_locals_sum + expected_args_sum, |
| frame.evaluate(Object.keys(expected_locals).join('+') + ' + ' + |
| expected_args.names.join('+')).value()); |
| |
| var arguments_sum = expected_args.names.map(function(_, idx) { |
| return "arguments[" + idx + "]"; |
| }).join('+'); |
| assertEquals(expected_args_sum, |
| frame.evaluate(arguments_sum).value()); |
| } else { |
| // The bottom frame only have the global scope. |
| assertEquals(1, frame.scopeCount()); |
| assertEquals(debug.ScopeType.Global, frame.scope(0).scopeType()); |
| } |
| |
| // Check the frame function. |
| switch (i) { |
| case 0: assertEquals(h, frame.func().value()); break; |
| case 1: assertEquals(g3, frame.func().value()); break; |
| case 2: assertEquals(g2, frame.func().value()); break; |
| case 3: assertEquals(g1, frame.func().value()); break; |
| case 4: assertEquals(f, frame.func().value()); break; |
| case 5: break; |
| default: assertUnreachable(); |
| } |
| |
| // Check for construct call. |
| if (i == 4) { |
| assertEquals(testingConstructCall, frame.isConstructCall()); |
| } else if (i == 2) { |
| assertTrue(frame.isConstructCall()); |
| } else { |
| assertFalse(frame.isConstructCall()); |
| } |
| |
| // When function f is optimized (1 means YES, see runtime.cc) we |
| // expect an optimized frame for f with g1, g2 and g3 inlined. |
| if (%GetOptimizationStatus(f) == 1) { |
| if (i == 1 || i == 2 || i == 3) { |
| assertTrue(frame.isOptimizedFrame()); |
| assertTrue(frame.isInlinedFrame()); |
| assertEquals(4 - i, frame.inlinedFrameIndex()); |
| } else if (i == 4) { |
| assertTrue(frame.isOptimizedFrame()); |
| assertFalse(frame.isInlinedFrame()); |
| } else { |
| assertFalse(frame.isOptimizedFrame()); |
| assertFalse(frame.isInlinedFrame()); |
| } |
| } |
| } |
| |
| // Indicate that all was processed. |
| listenerComplete = true; |
| } |
| } catch (e) { |
| exception = e.toString() + e.stack; |
| }; |
| }; |
| |
| for (var i = 0; i < 4; i++) f(expected.length - 1, 11, 12); |
| %OptimizeFunctionOnNextCall(f); |
| f(expected.length - 1, 11, 12); |
| |
| // Add the debug event listener. |
| Debug.setListener(listener); |
| |
| function h(i, x0, y0) { |
| var a0 = expected[i].locals.a0; |
| var b0 = expected[i].locals.b0; |
| debugger; // Breakpoint. |
| } |
| |
| function g3(i, x1, y1) { |
| var a1 = expected[i].locals.a1; |
| var b1 = expected[i].locals.b1; |
| h(i - 1, a1, b1); |
| } |
| |
| function g2(i) { |
| var a2 = expected[i].locals.a2; |
| var b2 = expected[i].locals.b2; |
| g3(i - 1, a2, b2); |
| } |
| |
| function g1(i, x3, y3, z3) { |
| var a3 = expected[i].locals.a3; |
| var b3 = expected[i].locals.b3; |
| new g2(i - 1, a3, b3); |
| } |
| |
| function f(i, x4, y4) { |
| var a4 = expected[i].locals.a4; |
| var b4 = expected[i].locals.b4; |
| g1(i - 1, a4, b4); |
| } |
| |
| // Test calling f normally and as a constructor. |
| f(expected.length - 1, 11, 12); |
| f(expected.length - 1, 11, 12, 0); |
| testingConstructCall = true; |
| new f(expected.length - 1, 11, 12); |
| new f(expected.length - 1, 11, 12, 0); |
| |
| // Make sure that the debug event listener was invoked. |
| assertFalse(exception, "exception in listener " + exception) |
| assertTrue(listenerComplete); |
| |
| // Throw away type information for next run. |
| gc(); |
| |
| Debug.setListener(null); |
