test/mjsunit/debug-evaluate-locals-optimized.js - v8/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
 // Flags: --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 three scopes.
           assertEquals(3, frame.scopeCount());
           assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType());
           assertEquals(debug.ScopeType.Script, frame.scope(1).scopeType());
           assertEquals(debug.ScopeType.Global, frame.scope(2).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 script scope and the global scope.
           assertEquals(2, frame.scopeCount());
           assertEquals(debug.ScopeType.Script, frame.scope(0).scopeType());
           assertEquals(debug.ScopeType.Global, frame.scope(1).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.
   return a0 + b0;
 }

 function g3(i, x1, y1) {
   var a1 = expected[i].locals.a1;
   var b1 = expected[i].locals.b1;
   h(i - 1, a1, b1);
   return a1 + b1;
 }

 function g2(i) {
   var a2 = expected[i].locals.a2;
   var b2 = expected[i].locals.b2;
   g3(i - 1, a2, b2);
   return 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);
   return a3 + b3;
 }

 function f(i, x4, y4) {
   var a4 = expected[i].locals.a4;
   var b4 = expected[i].locals.b4;
   g1(i - 1, a4, b4);
   return 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);
	// 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
	// Flags: --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 three scopes.
	assertEquals(3, frame.scopeCount());
	assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType());
	assertEquals(debug.ScopeType.Script, frame.scope(1).scopeType());
	assertEquals(debug.ScopeType.Global, frame.scope(2).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 script scope and the global scope.
	assertEquals(2, frame.scopeCount());
	assertEquals(debug.ScopeType.Script, frame.scope(0).scopeType());
	assertEquals(debug.ScopeType.Global, frame.scope(1).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.
	return a0 + b0;
	}

	function g3(i, x1, y1) {
	var a1 = expected[i].locals.a1;
	var b1 = expected[i].locals.b1;
	h(i - 1, a1, b1);
	return a1 + b1;
	}

	function g2(i) {
	var a2 = expected[i].locals.a2;
	var b2 = expected[i].locals.b2;
	g3(i - 1, a2, b2);
	return 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);
	return a3 + b3;
	}

	function f(i, x4, y4) {
	var a4 = expected[i].locals.a4;
	var b4 = expected[i].locals.b4;
	g1(i - 1, a4, b4);
	return 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);