| // Copyright 2011 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: --noanalyze-environment-liveness |
| // The functions used for testing backtraces. They are at the top to make the |
| // testing of source line/column easier. |
| |
| var Debug = debug.Debug; |
| |
| var test_name; |
| var listener_delegate; |
| var listener_called; |
| var exception; |
| var begin_test_count = 0; |
| var end_test_count = 0; |
| var break_count = 0; |
| var global_marker = 7; |
| |
| |
| // Debug event listener which delegates. |
| function listener(event, exec_state, event_data, data) { |
| try { |
| if (event == Debug.DebugEvent.Break) { |
| break_count++; |
| listener_called = true; |
| listener_delegate(exec_state); |
| } |
| } catch (e) { |
| exception = e; |
| print(e, e.stack); |
| } |
| } |
| |
| // Add the debug event listener. |
| Debug.setListener(listener); |
| |
| |
| // Initialize for a new test. |
| function BeginTest(name) { |
| test_name = name; |
| listener_delegate = null; |
| listener_called = false; |
| exception = null; |
| begin_test_count++; |
| } |
| |
| |
| // Check result of a test. |
| function EndTest() { |
| assertTrue(listener_called, "listener not called for " + test_name); |
| assertNull(exception, test_name + " / " + exception); |
| end_test_count++; |
| } |
| |
| |
| // Check that two scope are the same. |
| function assertScopeMirrorEquals(scope1, scope2) { |
| assertEquals(scope1.scopeType(), scope2.scopeType()); |
| assertEquals(scope1.frameIndex(), scope2.frameIndex()); |
| assertEquals(scope1.scopeIndex(), scope2.scopeIndex()); |
| assertPropertiesEqual(scope1.scopeObject().value(), scope2.scopeObject().value()); |
| } |
| |
| function CheckFastAllScopes(scopes, exec_state) |
| { |
| var fast_all_scopes = exec_state.frame().allScopes(true); |
| var length = fast_all_scopes.length; |
| assertTrue(scopes.length >= length); |
| for (var i = 0; i < scopes.length && i < length; i++) { |
| var scope = fast_all_scopes[length - i - 1]; |
| assertEquals(scopes[scopes.length - i - 1], scope.scopeType()); |
| } |
| } |
| |
| |
| // Check that the scope chain contains the expected types of scopes. |
| function CheckScopeChain(scopes, exec_state) { |
| var all_scopes = exec_state.frame().allScopes(); |
| assertEquals(scopes.length, exec_state.frame().scopeCount()); |
| assertEquals(scopes.length, all_scopes.length, "FrameMirror.allScopes length"); |
| for (var i = 0; i < scopes.length; i++) { |
| var scope = exec_state.frame().scope(i); |
| assertEquals(scopes[i], scope.scopeType()); |
| assertScopeMirrorEquals(all_scopes[i], scope); |
| |
| // Check the global object when hitting the global scope. |
| if (scopes[i] == debug.ScopeType.Global) { |
| // Just check the marker of the global object. |
| assertEquals(scope.scopeObject().value().global_marker, global_marker); |
| } |
| } |
| CheckFastAllScopes(scopes, exec_state); |
| } |
| |
| |
| // Check that the scope chain contains the expected names of scopes. |
| function CheckScopeChainNames(names, exec_state) { |
| var all_scopes = exec_state.frame().allScopes(); |
| assertEquals(names.length, all_scopes.length, "FrameMirror.allScopes length"); |
| for (var i = 0; i < names.length; i++) { |
| var scope = exec_state.frame().scope(i); |
| // assertEquals(names[i], scope.details().name()) |
| } |
| } |
| |
| |
| // Check that the scope contains at least minimum_content. For functions just |
| // check that there is a function. |
| function CheckScopeContent(minimum_content, number, exec_state) { |
| var scope = exec_state.frame().scope(number); |
| var minimum_count = 0; |
| for (var p in minimum_content) { |
| var property_mirror = scope.scopeObject().property(p); |
| assertFalse(property_mirror.isUndefined(), |
| 'property ' + p + ' not found in scope'); |
| assertEquals(minimum_content[p], property_mirror.value().value(), |
| 'property ' + p + ' has unexpected value'); |
| minimum_count++; |
| } |
| |
| // 'arguments' and might be exposed in the local and closure scope. Just |
| // ignore this. |
| var scope_size = scope.scopeObject().properties().length; |
| if (!scope.scopeObject().property('arguments').isUndefined()) { |
| scope_size--; |
| } |
| // Ditto for 'this'. |
| if (!scope.scopeObject().property('this').isUndefined()) { |
| scope_size--; |
| } |
| // Temporary variables introduced by the parser have not been materialized. |
| assertTrue(scope.scopeObject().property('').isUndefined()); |
| |
| if (scope_size < minimum_count) { |
| print('Names found in scope:'); |
| var names = scope.scopeObject().propertyNames(); |
| for (var i = 0; i < names.length; i++) { |
| print(names[i]); |
| } |
| } |
| assertTrue(scope_size >= minimum_count); |
| } |
| |
| // Check that the scopes have positions as expected. |
| function CheckScopeChainPositions(positions, exec_state) { |
| var all_scopes = exec_state.frame().allScopes(); |
| assertEquals(positions.length, all_scopes.length, "FrameMirror.allScopes length"); |
| for (var i = 0; i < positions.length; i++) { |
| var scope = exec_state.frame().scope(i); |
| var position = positions[i]; |
| if (!position) |
| continue; |
| |
| // assertEquals(position.start, scope.details().startPosition()) |
| // assertEquals(position.end, scope.details().endPosition()) |
| } |
| } |
| |
| // Simple empty local scope. |
| BeginTest("Local 1"); |
| |
| function local_1() { |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 0, exec_state); |
| }; |
| local_1(); |
| EndTest(); |
| |
| |
| // Local scope with a parameter. |
| BeginTest("Local 2"); |
| |
| function local_2(a) { |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1}, 0, exec_state); |
| }; |
| local_2(1); |
| EndTest(); |
| |
| |
| // Local scope with a parameter and a local variable. |
| BeginTest("Local 3"); |
| |
| function local_3(a) { |
| var x = 3; |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,x:3}, 0, exec_state); |
| }; |
| local_3(1); |
| EndTest(); |
| |
| |
| // Local scope with parameters and local variables. |
| BeginTest("Local 4"); |
| |
| function local_4(a, b) { |
| var x = 3; |
| var y = 4; |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4}, 0, exec_state); |
| }; |
| local_4(1, 2); |
| EndTest(); |
| |
| |
| // Empty local scope with use of eval. |
| BeginTest("Local 5"); |
| |
| function local_5() { |
| eval(''); |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 0, exec_state); |
| }; |
| local_5(); |
| EndTest(); |
| |
| |
| // Local introducing local variable using eval. |
| BeginTest("Local 6"); |
| |
| function local_6() { |
| eval('var i = 5'); |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({i:5}, 0, exec_state); |
| }; |
| local_6(); |
| EndTest(); |
| |
| |
| // Local scope with parameters, local variables and local variable introduced |
| // using eval. |
| BeginTest("Local 7"); |
| |
| function local_7(a, b) { |
| var x = 3; |
| var y = 4; |
| eval('var i = 5'); |
| eval('var j = 6'); |
| debugger; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 0, exec_state); |
| }; |
| local_7(1, 2); |
| EndTest(); |
| |
| |
| // Single empty with block. |
| BeginTest("With 1"); |
| |
| function with_1() { |
| with({}) { |
| debugger; |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 0, exec_state); |
| }; |
| with_1(); |
| EndTest(); |
| |
| |
| // Nested empty with blocks. |
| BeginTest("With 2"); |
| |
| function with_2() { |
| with({}) { |
| with({}) { |
| debugger; |
| } |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 0, exec_state); |
| CheckScopeContent({}, 1, exec_state); |
| }; |
| with_2(); |
| EndTest(); |
| |
| |
| // With block using an in-place object literal. |
| BeginTest("With 3"); |
| |
| function with_3() { |
| with({a:1,b:2}) { |
| debugger; |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,b:2}, 0, exec_state); |
| }; |
| with_3(); |
| EndTest(); |
| |
| |
| // Nested with blocks using in-place object literals. |
| BeginTest("With 4"); |
| |
| function with_4() { |
| with({a:1,b:2}) { |
| with({a:2,b:1}) { |
| debugger; |
| } |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:2,b:1}, 0, exec_state); |
| CheckScopeContent({a:1,b:2}, 1, exec_state); |
| }; |
| with_4(); |
| EndTest(); |
| |
| |
| // Nested with blocks using existing object. |
| BeginTest("With 5"); |
| |
| var with_object = {c:3,d:4}; |
| function with_5() { |
| with(with_object) { |
| with(with_object) { |
| debugger; |
| } |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent(with_object, 0, exec_state); |
| CheckScopeContent(with_object, 1, exec_state); |
| assertEquals(exec_state.frame().scope(0).scopeObject().value(), |
| exec_state.frame().scope(1).scopeObject().value()); |
| assertEquals(with_object, exec_state.frame().scope(1).scopeObject().value()); |
| }; |
| with_5(); |
| EndTest(); |
| |
| |
| // Nested with blocks using existing object in global code. |
| BeginTest("With 6"); |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.With, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent(with_object, 0, exec_state); |
| CheckScopeContent(with_object, 1, exec_state); |
| assertEquals(exec_state.frame().scope(0).scopeObject().value(), |
| exec_state.frame().scope(1).scopeObject().value()); |
| assertEquals(with_object, exec_state.frame().scope(1).scopeObject().value()); |
| }; |
| |
| var with_object = {c:3,d:4}; |
| with(with_object) { |
| with(with_object) { |
| debugger; |
| } |
| } |
| EndTest(); |
| |
| |
| // With block in function that is marked for optimization while being executed. |
| BeginTest("With 7"); |
| |
| function with_7() { |
| with({}) { |
| %OptimizeFunctionOnNextCall(with_7); |
| debugger; |
| } |
| } |
| %PrepareFunctionForOptimization(with_7); |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 0, exec_state); |
| }; |
| with_7(); |
| EndTest(); |
| |
| |
| // Simple closure formed by returning an inner function referering the outer |
| // functions arguments. |
| BeginTest("Closure 1"); |
| |
| function closure_1(a) { |
| function f() { |
| debugger; |
| return a; |
| }; |
| return f; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1}, 1, exec_state); |
| CheckScopeChainNames(["f", "closure_1", undefined, undefined], exec_state); |
| }; |
| closure_1(1)(); |
| EndTest(); |
| |
| |
| // Simple closure formed by returning an inner function referering the outer |
| // functions arguments. Due to VM optimizations parts of the actual closure is |
| // missing from the debugger information. |
| BeginTest("Closure 2"); |
| |
| function closure_2(a, b) { |
| var x = a + 2; |
| var y = b + 2; |
| function f() { |
| debugger; |
| return a + x; |
| }; |
| return f; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,x:3}, 1, exec_state); |
| CheckScopeChainNames(["f", "closure_2", undefined, undefined], exec_state); |
| }; |
| closure_2(1, 2)(); |
| EndTest(); |
| |
| |
| // Simple closure formed by returning an inner function referering the outer |
| // functions arguments. Using all arguments and locals from the outer function |
| // in the inner function makes these part of the debugger information on the |
| // closure. |
| BeginTest("Closure 3"); |
| |
| function closure_3(a, b) { |
| var x = a + 2; |
| var y = b + 2; |
| function f() { |
| debugger; |
| return a + b + x + y; |
| }; |
| return f; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4}, 1, exec_state); |
| CheckScopeChainNames(["f", "closure_3", undefined, undefined], exec_state); |
| }; |
| closure_3(1, 2)(); |
| EndTest(); |
| |
| |
| |
| // Simple closure formed by returning an inner function referering the outer |
| // functions arguments. Using all arguments and locals from the outer function |
| // in the inner function makes these part of the debugger information on the |
| // closure. Use the inner function as well... |
| BeginTest("Closure 4"); |
| |
| function closure_4(a, b) { |
| var x = a + 2; |
| var y = b + 2; |
| function f() { |
| debugger; |
| if (f) { |
| return a + b + x + y; |
| } |
| }; |
| return f; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4,f:undefined}, 1, exec_state); |
| CheckScopeChainNames(["f", "closure_4", undefined, undefined], exec_state); |
| }; |
| closure_4(1, 2)(); |
| EndTest(); |
| |
| |
| |
| // Simple closure formed by returning an inner function referering the outer |
| // functions arguments. In the presence of eval all arguments and locals |
| // (including the inner function itself) from the outer function becomes part of |
| // the debugger infformation on the closure. |
| BeginTest("Closure 5"); |
| |
| function closure_5(a, b) { |
| var x = 3; |
| var y = 4; |
| function f() { |
| eval(''); |
| debugger; |
| return 1; |
| }; |
| return f; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4,f:undefined}, 1, exec_state); |
| CheckScopeChainNames(["f", "closure_5", undefined, undefined], exec_state) |
| }; |
| closure_5(1, 2)(); |
| EndTest(); |
| |
| |
| // Two closures. Due to optimizations only the parts actually used are provided |
| // through the debugger information. |
| BeginTest("Closure 6"); |
| function closure_6(a, b) { |
| function f(a, b) { |
| var x = 3; |
| var y = 4; |
| return function() { |
| var x = 3; |
| var y = 4; |
| debugger; |
| some_global = a; |
| return f; |
| }; |
| } |
| return f(a, b); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1}, 1, exec_state); |
| CheckScopeContent({f:undefined}, 2, exec_state); |
| CheckScopeChainNames([undefined, "f", "closure_6", undefined, undefined], |
| exec_state); |
| }; |
| closure_6(1, 2)(); |
| EndTest(); |
| |
| |
| // Two closures. In the presence of eval all information is provided as the |
| // compiler cannot determine which parts are used. |
| BeginTest("Closure 7"); |
| function closure_7(a, b) { |
| var x = 3; |
| var y = 4; |
| eval('var i = 5'); |
| eval('var j = 6'); |
| function f(a, b) { |
| var x = 3; |
| var y = 4; |
| eval('var i = 5'); |
| eval('var j = 6'); |
| return function() { |
| debugger; |
| some_global = a; |
| return f; |
| }; |
| } |
| return f(a, b); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 0, exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 1, exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:undefined}, 2, exec_state); |
| CheckScopeChainNames([undefined, "f", "closure_7", undefined, undefined], |
| exec_state); |
| }; |
| closure_7(1, 2)(); |
| EndTest(); |
| |
| |
| // Closure that may be optimized out. |
| BeginTest("Closure 8"); |
| function closure_8() { |
| (function inner(x) { |
| debugger; |
| })(2); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({x: 2}, 0, exec_state); |
| CheckScopeChainNames(["inner", undefined, undefined], exec_state); |
| }; |
| closure_8(); |
| EndTest(); |
| |
| |
| BeginTest("Closure 9"); |
| function closure_9() { |
| eval("var y = 1;"); |
| eval("var z = 1;"); |
| (function inner(x) { |
| y++; |
| z++; |
| debugger; |
| })(2); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainNames(["inner", "closure_9", undefined, undefined], |
| exec_state); |
| }; |
| closure_9(); |
| EndTest(); |
| |
| |
| // Closure with inferred name. |
| BeginTest("Closure with Inferred Name 1"); |
| |
| function closure_1_inferred_name(a) { |
| let foo = {}; |
| foo.bar = function() { |
| debugger; |
| return a; |
| }; |
| return foo.bar; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({a:1}, 1, exec_state); |
| CheckScopeChainNames(["foo.bar", "closure_1_inferred_name", undefined, |
| undefined], exec_state); |
| }; |
| closure_1_inferred_name(1)(); |
| EndTest(); |
| |
| // Closure with nested inferred name. |
| BeginTest("Closure with Inferred Name 2"); |
| |
| function closure_2_inferred_name(a) { |
| let foo = {}; |
| function FooBar(b) { |
| foo.baz = function() { |
| debugger; |
| return a+b; |
| } |
| return foo.baz; |
| }; |
| return FooBar; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({b:0x1235}, 1, exec_state); |
| CheckScopeContent({a:0x1234}, 2, exec_state); |
| CheckScopeChainNames(["FooBar.foo.baz", "FooBar", "closure_2_inferred_name", |
| undefined, undefined], exec_state); |
| }; |
| closure_2_inferred_name(0x1234)(0x1235)(); |
| EndTest(); |
| |
| |
| // Closure with nested inferred name. |
| BeginTest("Closure with Inferred Name 3"); |
| |
| function closure_3_inferred_name(a) { |
| let foo = {}; |
| foo.bar = function(b) { |
| foo.baz = function() { |
| debugger; |
| return a+b; |
| } |
| return foo.baz; |
| }; |
| return foo.bar; |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({b:0x1235}, 1, exec_state); |
| CheckScopeContent({a:0x1234}, 2, exec_state); |
| CheckScopeChainNames(["foo.baz", "foo.bar", "closure_3_inferred_name", |
| undefined, undefined], exec_state); |
| }; |
| closure_3_inferred_name(0x1234)(0x1235)(); |
| EndTest(); |
| |
| BeginTest("Closure passed to optimized Array.prototype.forEach"); |
| function closure_10(a) { |
| var x = a + 2; |
| function closure_11(b) { |
| debugger; |
| return a + b + x; |
| } |
| [42].forEach(closure_11); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({b:42}, 0, exec_state); |
| CheckScopeContent({a:5, x:7}, 1, exec_state); |
| CheckScopeChainNames( |
| ["closure_11", "closure_10", undefined, undefined], exec_state); |
| }; |
| %PrepareFunctionForOptimization(closure_10); |
| begin_test_count++; closure_10(5); end_test_count++; |
| begin_test_count++; closure_10(5); end_test_count++; |
| %OptimizeFunctionOnNextCall(closure_10); |
| closure_10(5); |
| EndTest(); |
| |
| |
| // Test a mixture of scopes. |
| BeginTest("The full monty"); |
| function the_full_monty(a, b) { |
| var x = 3; |
| var y = 4; |
| eval('var i = 5'); |
| eval('var j = 6'); |
| function f(a, b) { |
| var x = 9; |
| var y = 10; |
| eval('var i = 11'); |
| eval('var j = 12'); |
| with ({j:13}){ |
| return function() { |
| var x = 14; |
| with ({a:15}) { |
| with ({b:16}) { |
| debugger; |
| some_global = a; |
| return f; |
| } |
| } |
| }; |
| } |
| } |
| return f(a, b); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.With, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({b:16}, 0, exec_state); |
| CheckScopeContent({a:15}, 1, exec_state); |
| CheckScopeContent({x:14}, 2, exec_state); |
| CheckScopeContent({j:13}, 3, exec_state); |
| CheckScopeContent({a:1,b:2,x:9,y:10,i:11,j:12}, 4, exec_state); |
| CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:undefined}, 5, exec_state); |
| CheckScopeChainNames([undefined, undefined, undefined, "f", "f", |
| "the_full_monty", undefined, undefined], exec_state); |
| }; |
| the_full_monty(1, 2)(); |
| EndTest(); |
| |
| |
| BeginTest("Closure inside With 1"); |
| function closure_in_with_1() { |
| with({x:1}) { |
| (function inner(x) { |
| debugger; |
| })(2); |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.With, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({x: 2}, 0, exec_state); |
| CheckScopeContent({x: 1}, 1, exec_state); |
| }; |
| closure_in_with_1(); |
| EndTest(); |
| |
| |
| BeginTest("Closure inside With 2"); |
| function closure_in_with_2() { |
| with({x:1}) { |
| (function inner(x) { |
| with({x:3}) { |
| debugger; |
| } |
| })(2); |
| } |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.With, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({x: 3}, 0, exec_state); |
| CheckScopeContent({x: 2}, 1, exec_state); |
| CheckScopeContent({x: 1}, 2, exec_state); |
| CheckScopeChainNames(["inner", "inner", "closure_in_with_2", |
| undefined, undefined], exec_state); |
| }; |
| closure_in_with_2(); |
| EndTest(); |
| |
| |
| BeginTest("Closure inside With 3"); |
| function createClosure(a) { |
| var b = a + 1; |
| return function closure() { |
| var c = b; |
| (function inner(x) { |
| with({x:c}) { |
| debugger; |
| } |
| })(2); |
| }; |
| } |
| |
| function closure_in_with_3() { |
| var f = createClosure(0); |
| f(); |
| } |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Local, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Closure, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainNames(["inner", "inner", "closure", "createClosure", |
| undefined, undefined], exec_state); |
| } |
| closure_in_with_3(); |
| EndTest(); |
| |
| |
| BeginTest("Closure inside With 4"); |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.With, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({x: 2}, 0, exec_state); |
| CheckScopeContent({x: 1}, 1, exec_state); |
| CheckScopeChainNames([undefined, undefined, undefined, undefined], |
| exec_state); |
| }; |
| |
| with({x:1}) { |
| (function(x) { |
| debugger; |
| })(2); |
| } |
| EndTest(); |
| |
| |
| // Test global scope. |
| BeginTest("Global"); |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Script, debug.ScopeType.Global], |
| exec_state); |
| CheckScopeChainNames([undefined, undefined], exec_state); |
| }; |
| debugger; |
| EndTest(); |
| |
| |
| BeginTest("Catch block 1"); |
| function catch_block_1() { |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| debugger; |
| } |
| }; |
| |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Catch, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({e:'Exception'}, 0, exec_state); |
| CheckScopeChainNames(["catch_block_1", "catch_block_1", |
| undefined, undefined], exec_state); |
| }; |
| catch_block_1(); |
| EndTest(); |
| |
| |
| BeginTest("Catch block 2"); |
| function catch_block_2() { |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| with({n:10}) { |
| debugger; |
| } |
| } |
| }; |
| |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Catch, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({n:10}, 0, exec_state); |
| CheckScopeContent({e:'Exception'}, 1, exec_state); |
| CheckScopeChainNames(["catch_block_2", "catch_block_2", "catch_block_2", |
| undefined, undefined], exec_state); |
| }; |
| catch_block_2(); |
| EndTest(); |
| |
| |
| BeginTest("Catch block 3"); |
| function catch_block_3() { |
| // Do eval to dynamically declare a local variable so that the context's |
| // extension slot is initialized with JSContextExtensionObject. |
| eval("var y = 78;"); |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| debugger; |
| } |
| }; |
| |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Catch, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({e:'Exception'}, 0, exec_state); |
| CheckScopeContent({y:78}, 1, exec_state); |
| CheckScopeChainNames(["catch_block_3", "catch_block_3", |
| undefined, undefined], exec_state); |
| }; |
| catch_block_3(); |
| EndTest(); |
| |
| |
| BeginTest("Catch block 4"); |
| function catch_block_4() { |
| // Do eval to dynamically declare a local variable so that the context's |
| // extension slot is initialized with JSContextExtensionObject. |
| eval("var y = 98;"); |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| with({n:10}) { |
| debugger; |
| } |
| } |
| }; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.With, |
| debug.ScopeType.Catch, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({n:10}, 0, exec_state); |
| CheckScopeContent({e:'Exception'}, 1, exec_state); |
| CheckScopeContent({y:98}, 2, exec_state); |
| CheckScopeChainNames(["catch_block_4", "catch_block_4", "catch_block_4", |
| undefined, undefined], exec_state); |
| }; |
| catch_block_4(); |
| EndTest(); |
| |
| |
| // Test catch in global scope. |
| BeginTest("Catch block 5"); |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Catch, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({e:'Exception'}, 0, exec_state); |
| CheckScopeChainNames([undefined, undefined, undefined], exec_state); |
| }; |
| |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| debugger; |
| } |
| |
| EndTest(); |
| |
| |
| // Closure inside catch in global code. |
| BeginTest("Catch block 6"); |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Catch, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({x: 2}, 0, exec_state); |
| CheckScopeContent({e:'Exception'}, 1, exec_state); |
| CheckScopeChainNames([undefined, undefined, undefined, undefined], |
| exec_state); |
| }; |
| |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| (function(x) { |
| debugger; |
| })(2); |
| } |
| EndTest(); |
| |
| |
| // Catch block in function that is marked for optimization while being executed. |
| BeginTest("Catch block 7"); |
| function catch_block_7() { |
| %OptimizeFunctionOnNextCall(catch_block_7); |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| debugger; |
| } |
| }; |
| %PrepareFunctionForOptimization(catch_block_7); |
| |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Catch, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({e:'Exception'}, 0, exec_state); |
| CheckScopeChainNames(["catch_block_7", "catch_block_7", |
| undefined, undefined], exec_state); |
| }; |
| catch_block_7(); |
| EndTest(); |
| |
| |
| BeginTest("Classes and methods 1"); |
| |
| listener_delegate = function(exec_state) { |
| "use strict" |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeContent({}, 1, exec_state); |
| CheckScopeChainNames(["m", undefined, undefined], exec_state); |
| }; |
| |
| (function() { |
| "use strict"; |
| class C1 { |
| m() { |
| debugger; |
| } |
| } |
| new C1().m(); |
| })(); |
| |
| EndTest(); |
| |
| BeginTest("Scope positions"); |
| var code1 = "function f() { \n" + |
| " var a = 1; \n" + |
| " function b() { \n" + |
| " debugger; \n" + |
| " return a + 1; \n" + |
| " } \n" + |
| " b(); \n" + |
| "} \n" + |
| "f(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChainPositions( |
| [{start: 58, end: 118}, {start: 10, end: 162}, {}, {}], exec_state); |
| } |
| eval(code1); |
| EndTest(); |
| |
| |
| function catch_block_2() { |
| try { |
| throw 'Exception'; |
| } catch (e) { |
| with({n:10}) { |
| debugger; |
| } |
| } |
| }; |
| |
| BeginTest("Scope positions in catch and 'with' statement"); |
| var code2 = "function catch_block() { \n" + |
| " try { \n" + |
| " throw 'Exception'; \n" + |
| " } catch (e) { \n" + |
| " with({n : 10}) { \n" + |
| " debugger; \n" + |
| " } \n" + |
| " } \n" + |
| "} \n" + |
| "catch_block(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChainPositions([{start: 131, end: 173}, |
| {start: 94, end: 199}, |
| {start: 20, end: 225}, |
| {}, {}], exec_state); |
| } |
| eval(code2); |
| EndTest(); |
| |
| BeginTest("Scope positions in for statement"); |
| var code3 = "function for_statement() { \n" + |
| " for (let i = 0; i < 1; i++) { \n" + |
| " debugger; \n" + |
| " } \n" + |
| "} \n" + |
| "for_statement(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Block, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainPositions( |
| [{start: 42, end: 111}, {start: 22, end: 145}, {}, {}], exec_state); |
| } |
| eval(code3); |
| EndTest(); |
| |
| BeginTest("Scope positions in for statement with lexical block"); |
| var code4 = "function for_statement() { \n" + |
| " for (let i = 0; i < 1; i++) { \n" + |
| " let j; \n" + |
| " debugger; \n" + |
| " } \n" + |
| "} \n" + |
| "for_statement(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Block, |
| debug.ScopeType.Block, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainPositions([{start: 66, end: 147}, |
| {start: 42, end: 147}, |
| {start: 22, end: 181}, |
| {}, {}], exec_state); |
| } |
| eval(code4); |
| EndTest(); |
| |
| BeginTest("Scope positions in lexical for each statement"); |
| var code5 = "function for_each_statement() { \n" + |
| " for (let i of [0]) { \n" + |
| " debugger; \n" + |
| " } \n" + |
| "} \n" + |
| "for_each_statement(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Block, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainPositions( |
| [{start: 55, end: 111}, {start: 27, end: 145}, {}, {}], exec_state); |
| } |
| eval(code5); |
| EndTest(); |
| |
| BeginTest("Scope positions in lexical for each statement with lexical block"); |
| var code6 = "function for_each_statement() { \n" + |
| " for (let i of [0]) { \n" + |
| " let j; \n" + |
| " debugger; \n" + |
| " } \n" + |
| "} \n" + |
| "for_each_statement(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Block, |
| debug.ScopeType.Block, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainPositions([{start: 57, end: 147}, |
| {start: 55, end: 147}, |
| {start: 27, end: 181}, |
| {}, {}], exec_state); |
| } |
| eval(code6); |
| EndTest(); |
| |
| BeginTest("Scope positions in non-lexical for each statement"); |
| var code7 = "function for_each_statement() { \n" + |
| " var i; \n" + |
| " for (i of [0]) { \n" + |
| " debugger; \n" + |
| " } \n" + |
| "} \n" + |
| "for_each_statement(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainPositions([{start: 27, end: 181}, {}, {}], exec_state); |
| } |
| eval(code7); |
| EndTest(); |
| |
| BeginTest( |
| "Scope positions in non-lexical for each statement with lexical block"); |
| var code8 = "function for_each_statement() { \n" + |
| " var i; \n" + |
| " for (i of [0]) { \n" + |
| " let j; \n" + |
| " debugger; \n" + |
| " } \n" + |
| "} \n" + |
| "for_each_statement(); \n"; |
| |
| listener_delegate = function(exec_state) { |
| CheckScopeChain([debug.ScopeType.Block, |
| debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], exec_state); |
| CheckScopeChainPositions( |
| [{start: 89, end: 183}, {start: 27, end: 217}, {}, {}], exec_state); |
| } |
| eval(code8); |
| EndTest(); |
| |
| assertEquals(begin_test_count, break_count, |
| 'one or more tests did not enter the debugger'); |
| assertEquals(begin_test_count, end_test_count, |
| 'one or more tests did not have its result checked'); |
