test/mjsunit/debug-evaluate-locals-optimized-double.js - platform/external/v8 - Git at Google

 // 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 input = [
   {a: 1, b: 2},
   {a: 3, b: 4},
   {a: 5, b: 6},
   {a: 7, b: 8},
   {a: 9, b: 10}
 ];

 var expected = [
   { locals: {a0: 1.01, b0: 2.02}, args: { names: ["i", "x0", "y0"], values: [0, 3.03, 4.04] } },
   { locals: {a1: 3.03, b1: 4.04}, args: { names: ["i", "x1", "y1"], values: [1, 5.05, 6.06] } },
   { locals: {a2: 5.05, b2: 6.06}, args: { names: ["i"], values: [2] } },
   { locals: {a3: 7.07, b3: 8.08}, args: { names: ["i", "x3", "y3", "z3"],
                                           values: [3, 9.09, 10.10, undefined] }
   },
   { locals: {a4: 9.09, b4: 10.10}, args: { names: ["i", "x4", "y4"], values: [4, 11.11, 12.12] } }
 ];

 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(input.length - 1, 11.11, 12.12);
 %OptimizeFunctionOnNextCall(f);
 f(input.length - 1, 11.11, 12.12);

 // Add the debug event listener.
 Debug.setListener(listener);

 function h(i, x0, y0) {
   var a0 = input[i].a;
   var b0 = input[i].b;
   a0 = a0 + a0 / 100;
   b0 = b0 + b0 / 100;
   debugger;  // Breakpoint.
 };

 function g3(i, x1, y1) {
   var a1 = input[i].a;
   var b1 = input[i].b;
   a1 = a1 + a1 / 100;
   b1 = b1 + b1 / 100;
   h(i - 1, a1, b1);
   return a1+b1;
 };

 function g2(i) {
   var a2 = input[i].a;
   var b2 = input[i].b;
   a2 = a2 + a2 / 100;
   b2 = b2 + b2 / 100;
   g3(i - 1, a2, b2);
 };

 function g1(i, x3, y3, z3) {
   var a3 = input[i].a;
   var b3 = input[i].b;
   a3 = a3 + a3 / 100;
   b3 = b3 + b3 / 100;
   new g2(i - 1, a3, b3);
 };

 function f(i, x4, y4) {
   var a4 = input[i].a;
   var b4 = input[i].b;
   a4 = a4 + a4 / 100;
   b4 = b4 + b4 / 100;
   g1(i - 1, a4, b4);
 };

 // Test calling f normally and as a constructor.
 f(input.length - 1, 11.11, 12.12);
 f(input.length - 1, 11.11, 12.12, "");
 testingConstructCall = true;
 new f(input.length - 1, 11.11, 12.12);
 new f(input.length - 1, 11.11, 12.12, "");

 // 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);
	// 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 input = [
	{a: 1, b: 2},
	{a: 3, b: 4},
	{a: 5, b: 6},
	{a: 7, b: 8},
	{a: 9, b: 10}
	];

	var expected = [
	{ locals: {a0: 1.01, b0: 2.02}, args: { names: ["i", "x0", "y0"], values: [0, 3.03, 4.04] } },
	{ locals: {a1: 3.03, b1: 4.04}, args: { names: ["i", "x1", "y1"], values: [1, 5.05, 6.06] } },
	{ locals: {a2: 5.05, b2: 6.06}, args: { names: ["i"], values: [2] } },
	{ locals: {a3: 7.07, b3: 8.08}, args: { names: ["i", "x3", "y3", "z3"],
	values: [3, 9.09, 10.10, undefined] }
	},
	{ locals: {a4: 9.09, b4: 10.10}, args: { names: ["i", "x4", "y4"], values: [4, 11.11, 12.12] } }
	];

	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(input.length - 1, 11.11, 12.12);
	%OptimizeFunctionOnNextCall(f);
	f(input.length - 1, 11.11, 12.12);

	// Add the debug event listener.
	Debug.setListener(listener);

	function h(i, x0, y0) {
	var a0 = input[i].a;
	var b0 = input[i].b;
	a0 = a0 + a0 / 100;
	b0 = b0 + b0 / 100;
	debugger; // Breakpoint.
	};

	function g3(i, x1, y1) {
	var a1 = input[i].a;
	var b1 = input[i].b;
	a1 = a1 + a1 / 100;
	b1 = b1 + b1 / 100;
	h(i - 1, a1, b1);
	return a1+b1;
	};

	function g2(i) {
	var a2 = input[i].a;
	var b2 = input[i].b;
	a2 = a2 + a2 / 100;
	b2 = b2 + b2 / 100;
	g3(i - 1, a2, b2);
	};

	function g1(i, x3, y3, z3) {
	var a3 = input[i].a;
	var b3 = input[i].b;
	a3 = a3 + a3 / 100;
	b3 = b3 + b3 / 100;
	new g2(i - 1, a3, b3);
	};

	function f(i, x4, y4) {
	var a4 = input[i].a;
	var b4 = input[i].b;
	a4 = a4 + a4 / 100;
	b4 = b4 + b4 / 100;
	g1(i - 1, a4, b4);
	};

	// Test calling f normally and as a constructor.
	f(input.length - 1, 11.11, 12.12);
	f(input.length - 1, 11.11, 12.12, "");
	testingConstructCall = true;
	new f(input.length - 1, 11.11, 12.12);
	new f(input.length - 1, 11.11, 12.12, "");

	// 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);