JezK
Edit File: debug-evaluate-locals-optimized.js
// 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()); } if (i > 4) { 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);