1 // Copyright 2008 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 // Flags: --expose-debug-as debug 29 // Get the Debug object exposed from the debug context global object. 30 Debug = debug.Debug 31 32 var evaluate_callback; 33 34 function listener(event, exec_state, event_data, data) { 35 try { 36 var context = { what_is_capybara: "a fish" }; 37 var context2 = { what_is_capybara: "a fish", what_is_parrot: "a beard" }; 38 39 // Try in frame's scope. 40 var local_expression = 41 "(what_is_capybara ? what_is_capybara : 'a beast') + '/' + what_is_parrot"; 42 var result = evaluate_callback.in_top_frame(exec_state, local_expression, context); 43 assertEquals('a fish/a bird', result); 44 45 // Try in frame's scope with overrididen local variables. 46 var result = evaluate_callback.in_top_frame(exec_state, local_expression, context2); 47 assertEquals('a fish/a beard', result); 48 49 // Try in frame's scope, without context. 50 var local_expression2 = "what_is_parrot"; 51 var result = evaluate_callback.in_top_frame(exec_state, local_expression2, void 0); 52 assertEquals('a bird', result); 53 54 // Try in global additional scope. 55 var global_expression = "what_is_capybara ? what_is_capybara : 'a beast'"; 56 var result = evaluate_callback.globally(exec_state, global_expression, context); 57 assertEquals('a fish', result); 58 59 // Try in global scope with overridden global variables. 60 var context_with_undefined = { undefined: 'kitten' }; 61 var global_expression2 = "'cat' + '/' + undefined"; 62 var result = evaluate_callback.globally(exec_state, global_expression2, context_with_undefined); 63 assertEquals('cat/kitten', result); 64 65 // Try in global scope with no overridden global variables. 66 var result = evaluate_callback.globally(exec_state, global_expression2, void 0); 67 assertEquals('cat/undefined', result); 68 69 // Try in global scope without additional context. 70 var global_expression3 = "'cat' + '/' + 'dog'"; 71 var result = evaluate_callback.globally(exec_state, global_expression3, void 0); 72 assertEquals('cat/dog', result); 73 74 listenerComplete = true; 75 } catch (e) { 76 exception = e 77 }; 78 }; 79 80 81 function f() { 82 var what_is_parrot = "a bird"; 83 debugger; 84 }; 85 86 function runF() { 87 exception = false; 88 listenerComplete = false; 89 90 Debug.setListener(listener); 91 92 // Add the debug event listener. 93 Debug.setListener(listener); 94 95 f(); 96 97 assertFalse(exception, "exception in listener") 98 assertTrue(listenerComplete); 99 } 100 101 evaluate_callback = { 102 in_top_frame: function(exec_state, expression, additional_context) { 103 return exec_state.frame(0).evaluate(expression, void 0, additional_context).value(); 104 }, 105 globally: function(exec_state, expression, additional_context) { 106 return exec_state.evaluateGlobal(expression, void 0, additional_context).value(); 107 }, 108 }; 109 110 111 runF(); 112 113 // Now try all the same, but via debug protocol. 114 115 function evaluateViaProtocol(exec_state, expression, additional_context, frame_argument_adder) { 116 var dcp = exec_state.debugCommandProcessor("unspecified_running_state"); 117 request_json = {"seq":17,"type":"request","command":"evaluate", arguments: { "expression": expression } }; 118 frame_argument_adder(request_json.arguments); 119 if (additional_context) { 120 var context_json = []; 121 for (var key in additional_context) { 122 context_json.push({ name: key, handle: Debug.MakeMirror(additional_context[key]).handle() }); 123 } 124 request_json.arguments.additional_context = context_json; 125 } 126 var request = JSON.stringify(request_json); 127 var response_json = dcp.processDebugJSONRequest(request); 128 var response = JSON.parse(response_json); 129 130 assertTrue(response.success); 131 var str_result = response.body.value; 132 return str_result; 133 } 134 135 evaluate_callback = { 136 in_top_frame: function(exec_state, expression, additional_context) { 137 return evaluateViaProtocol(exec_state, expression, additional_context, function(args) { args.frame = 0; }); 138 }, 139 globally: function(exec_state, expression, additional_context) { 140 return evaluateViaProtocol(exec_state, expression, additional_context, function(args) { args.global = true; }); 141 }, 142 }; 143 144 runF(); 145