Bug 810966 - Display closed over variables in the variables view for functions that are not stack frames; r=vporof,msucan

This commit is contained in:
Panos Astithas 2013-09-25 19:03:17 +03:00
Родитель 82c2103084
Коммит e3ea41978b
24 изменённых файлов: 874 добавлений и 104 удалений

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@ -663,62 +663,6 @@ StackFramesView.prototype = Heritage.extend(WidgetMethods, {
_prevBlackBoxedUrl: null _prevBlackBoxedUrl: null
}); });
/**
* Utility functions for handling stackframes.
*/
let StackFrameUtils = {
/**
* Create a textual representation for the specified stack frame
* to display in the stackframes container.
*
* @param object aFrame
* The stack frame to label.
*/
getFrameTitle: function(aFrame) {
if (aFrame.type == "call") {
let c = aFrame.callee;
return (c.userDisplayName || c.displayName || c.name || "(anonymous)");
}
return "(" + aFrame.type + ")";
},
/**
* Constructs a scope label based on its environment.
*
* @param object aEnv
* The scope's environment.
* @return string
* The scope's label.
*/
getScopeLabel: function(aEnv) {
let name = "";
// Name the outermost scope Global.
if (!aEnv.parent) {
name = L10N.getStr("globalScopeLabel");
}
// Otherwise construct the scope name.
else {
name = aEnv.type.charAt(0).toUpperCase() + aEnv.type.slice(1);
}
let label = L10N.getFormatStr("scopeLabel", name);
switch (aEnv.type) {
case "with":
case "object":
label += " [" + aEnv.object.class + "]";
break;
case "function":
let f = aEnv.function;
label += " [" +
(f.userDisplayName || f.displayName || f.name || "(anonymous)") +
"]";
break;
}
return label;
}
};
/** /**
* Functions handling the filtering UI. * Functions handling the filtering UI.
*/ */

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@ -148,6 +148,7 @@ let DebuggerView = {
// Attach a controller that handles interfacing with the debugger protocol. // Attach a controller that handles interfacing with the debugger protocol.
VariablesViewController.attach(this.Variables, { VariablesViewController.attach(this.Variables, {
getEnvironmentClient: aObject => gThreadClient.environment(aObject),
getObjectClient: aObject => gThreadClient.pauseGrip(aObject) getObjectClient: aObject => gThreadClient.pauseGrip(aObject)
}); });

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@ -22,6 +22,7 @@ support-files =
code_ugly.js code_ugly.js
doc_binary_search.html doc_binary_search.html
doc_blackboxing.html doc_blackboxing.html
doc_closures.html
doc_cmd-break.html doc_cmd-break.html
doc_cmd-dbg.html doc_cmd-dbg.html
doc_conditional-breakpoints.html doc_conditional-breakpoints.html
@ -69,6 +70,7 @@ support-files =
[browser_dbg_chrome-debugging.js] [browser_dbg_chrome-debugging.js]
[browser_dbg_clean-exit-window.js] [browser_dbg_clean-exit-window.js]
[browser_dbg_clean-exit.js] [browser_dbg_clean-exit.js]
[browser_dbg_closure-inspection.js]
[browser_dbg_cmd-blackbox.js] [browser_dbg_cmd-blackbox.js]
[browser_dbg_cmd-break.js] [browser_dbg_cmd-break.js]
[browser_dbg_cmd-dbg.js] [browser_dbg_cmd-dbg.js]

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@ -0,0 +1,216 @@
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
const TAB_URL = EXAMPLE_URL + "doc_closures.html";
// Test that inspecting a closure works as expected.
function test() {
let gPanel, gTab, gDebuggee, gDebugger;
initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
gTab = aTab;
gDebuggee = aDebuggee;
gPanel = aPanel;
gDebugger = gPanel.panelWin;
waitForSourceShown(gPanel, ".html")
.then(testClosure)
.then(() => resumeDebuggerThenCloseAndFinish(gPanel))
.then(null, aError => {
ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
});
});
function testClosure() {
// Spin the event loop before causing the debuggee to pause, to allow
// this function to return first.
executeSoon(() => {
EventUtils.sendMouseEvent({ type: "click" },
gDebuggee.document.querySelector("button"),
gDebuggee);
});
gDebuggee.gRecurseLimit = 2;
return waitForDebuggerEvents(gPanel, gDebugger.EVENTS.FETCHED_SCOPES).then(() => {
let deferred = promise.defer();
let gVars = gDebugger.DebuggerView.Variables,
localScope = gVars.getScopeAtIndex(0),
globalScope = gVars.getScopeAtIndex(1),
localNodes = localScope.target.querySelector(".variables-view-element-details").childNodes,
globalNodes = globalScope.target.querySelector(".variables-view-element-details").childNodes;
is(localNodes[4].querySelector(".name").getAttribute("value"), "person",
"Should have the right property name for |person|.");
is(localNodes[4].querySelector(".value").getAttribute("value"), "Object",
"Should have the right property value for |person|.");
// Expand the 'person' tree node. This causes its properties to be
// retrieved and displayed.
let personNode = gVars.getItemForNode(localNodes[4]);
personNode.expand();
is(personNode.expanded, true, "person should be expanded at this point.");
// Poll every few milliseconds until the properties are retrieved.
// It's important to set the timer in the chrome window, because the
// content window timers are disabled while the debuggee is paused.
let count1 = 0;
let intervalID = window.setInterval(function(){
info("count1: " + count1);
if (++count1 > 50) {
ok(false, "Timed out while polling for the properties.");
window.clearInterval(intervalID);
deferred.reject("Timed out.");
return;
}
if (!personNode._retrieved) {
return;
}
window.clearInterval(intervalID);
is(personNode.get("getName").target.querySelector(".name")
.getAttribute("value"), "getName",
"Should have the right property name for 'getName' in person.");
is(personNode.get("getName").target.querySelector(".value")
.getAttribute("value"), "Function",
"'getName' in person should have the right value.");
is(personNode.get("getFoo").target.querySelector(".name")
.getAttribute("value"), "getFoo",
"Should have the right property name for 'getFoo' in person.");
is(personNode.get("getFoo").target.querySelector(".value")
.getAttribute("value"), "Function",
"'getFoo' in person should have the right value.");
// Expand the function nodes. This causes their properties to be
// retrieved and displayed.
let getFooNode = personNode.get("getFoo");
let getNameNode = personNode.get("getName");
getFooNode.expand();
getNameNode.expand();
is(getFooNode.expanded, true, "person.getFoo should be expanded at this point.");
is(getNameNode.expanded, true, "person.getName should be expanded at this point.");
// Poll every few milliseconds until the properties are retrieved.
// It's important to set the timer in the chrome window, because the
// content window timers are disabled while the debuggee is paused.
let count2 = 0;
let intervalID1 = window.setInterval(function(){
info("count2: " + count2);
if (++count2 > 50) {
ok(false, "Timed out while polling for the properties.");
window.clearInterval(intervalID1);
deferred.reject("Timed out.");
return;
}
if (!getFooNode._retrieved || !getNameNode._retrieved) {
return;
}
window.clearInterval(intervalID1);
is(getFooNode.get("<Closure>").target.querySelector(".name")
.getAttribute("value"), "<Closure>",
"Found the closure node for getFoo.");
is(getFooNode.get("<Closure>").target.querySelector(".value")
.getAttribute("value"), "",
"The closure node has no value for getFoo.");
is(getNameNode.get("<Closure>").target.querySelector(".name")
.getAttribute("value"), "<Closure>",
"Found the closure node for getName.");
is(getNameNode.get("<Closure>").target.querySelector(".value")
.getAttribute("value"), "",
"The closure node has no value for getName.");
// Expand the Closure nodes.
let getFooClosure = getFooNode.get("<Closure>");
let getNameClosure = getNameNode.get("<Closure>");
getFooClosure.expand();
getNameClosure.expand();
is(getFooClosure.expanded, true, "person.getFoo closure should be expanded at this point.");
is(getNameClosure.expanded, true, "person.getName closure should be expanded at this point.");
// Poll every few milliseconds until the properties are retrieved.
// It's important to set the timer in the chrome window, because the
// content window timers are disabled while the debuggee is paused.
let count3 = 0;
let intervalID2 = window.setInterval(function(){
info("count3: " + count3);
if (++count3 > 50) {
ok(false, "Timed out while polling for the properties.");
window.clearInterval(intervalID2);
deferred.reject("Timed out.");
return;
}
if (!getFooClosure._retrieved || !getNameClosure._retrieved) {
return;
}
window.clearInterval(intervalID2);
is(getFooClosure.get("Function scope [_pfactory]").target.querySelector(".name")
.getAttribute("value"), "Function scope [_pfactory]",
"Found the function scope node for the getFoo closure.");
is(getFooClosure.get("Function scope [_pfactory]").target.querySelector(".value")
.getAttribute("value"), "",
"The function scope node has no value for the getFoo closure.");
is(getNameClosure.get("Function scope [_pfactory]").target.querySelector(".name")
.getAttribute("value"), "Function scope [_pfactory]",
"Found the function scope node for the getName closure.");
is(getNameClosure.get("Function scope [_pfactory]").target.querySelector(".value")
.getAttribute("value"), "",
"The function scope node has no value for the getName closure.");
// Expand the scope nodes.
let getFooInnerScope = getFooClosure.get("Function scope [_pfactory]");
let getNameInnerScope = getNameClosure.get("Function scope [_pfactory]");
getFooInnerScope.expand();
getNameInnerScope.expand();
is(getFooInnerScope.expanded, true, "person.getFoo inner scope should be expanded at this point.");
is(getNameInnerScope.expanded, true, "person.getName inner scope should be expanded at this point.");
// Poll every few milliseconds until the properties are retrieved.
// It's important to set the timer in the chrome window, because the
// content window timers are disabled while the debuggee is paused.
let count4 = 0;
let intervalID3 = window.setInterval(function(){
info("count4: " + count4);
if (++count4 > 50) {
ok(false, "Timed out while polling for the properties.");
window.clearInterval(intervalID3);
deferred.reject("Timed out.");
return;
}
if (!getFooInnerScope._retrieved || !getNameInnerScope._retrieved) {
return;
}
window.clearInterval(intervalID3);
// Only test that each function closes over the necessary variable.
// We wouldn't want future SpiderMonkey closure space
// optimizations to break this test.
is(getFooInnerScope.get("foo").target.querySelector(".name")
.getAttribute("value"), "foo",
"Found the foo node for the getFoo inner scope.");
is(getFooInnerScope.get("foo").target.querySelector(".value")
.getAttribute("value"), "10",
"The foo node has the expected value.");
is(getNameInnerScope.get("name").target.querySelector(".name")
.getAttribute("value"), "name",
"Found the name node for the getName inner scope.");
is(getNameInnerScope.get("name").target.querySelector(".value")
.getAttribute("value"), '"Bob"',
"The name node has the expected value.");
deferred.resolve();
}, 100);
}, 100);
}, 100);
}, 100);
return deferred.promise;
});
}
}

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@ -81,8 +81,6 @@ function testVariablesAndPropertiesFiltering() {
isnot(globalScope.target.querySelectorAll(".variables-view-variable:not([non-match])").length, 0, isnot(globalScope.target.querySelectorAll(".variables-view-variable:not([non-match])").length, 0,
"There should be some variables displayed in the global scope."); "There should be some variables displayed in the global scope.");
is(localScope.target.querySelectorAll(".variables-view-property:not([non-match])").length, 3,
"There should be 3 properties displayed in the local scope.");
is(withScope.target.querySelectorAll(".variables-view-property:not([non-match])").length, 0, is(withScope.target.querySelectorAll(".variables-view-property:not([non-match])").length, 0,
"There should be 0 properties displayed in the with scope."); "There should be 0 properties displayed in the with scope.");
is(functionScope.target.querySelectorAll(".variables-view-property:not([non-match])").length, 0, is(functionScope.target.querySelectorAll(".variables-view-property:not([non-match])").length, 0,

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@ -0,0 +1,32 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset='utf-8'/>
<title>Debugger Test for Closure Inspection</title>
<!-- Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ -->
<script type="text/javascript">
window.addEventListener("load", function onload() {
window.removeEventListener("load", onload);
function clickHandler(event) {
button.removeEventListener("click", clickHandler, false);
var PersonFactory = function _pfactory(name) {
var foo = 10;
return {
getName: function() { return name; },
getFoo: function() { foo = Date.now(); return foo; }
};
};
var person = new PersonFactory("Bob");
debugger;
}
var button = document.querySelector("button");
button.addEventListener("click", clickHandler, false);
});
</script>
</head>
<body>
<button>Click me!</button>
</body>
</html>

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@ -56,6 +56,9 @@ XPCOMUtils.defineLazyModuleGetter(this, "VariablesView",
XPCOMUtils.defineLazyModuleGetter(this, "VariablesViewController", XPCOMUtils.defineLazyModuleGetter(this, "VariablesViewController",
"resource:///modules/devtools/VariablesViewController.jsm"); "resource:///modules/devtools/VariablesViewController.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "EnvironmentClient",
"resource://gre/modules/devtools/dbg-client.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "ObjectClient", XPCOMUtils.defineLazyModuleGetter(this, "ObjectClient",
"resource://gre/modules/devtools/dbg-client.jsm"); "resource://gre/modules/devtools/dbg-client.jsm");
@ -1744,6 +1747,9 @@ ScratchpadSidebar.prototype = {
}); });
VariablesViewController.attach(this.variablesView, { VariablesViewController.attach(this.variablesView, {
getEnvironmentClient: aGrip => {
return new EnvironmentClient(this._scratchpad.debuggerClient, aGrip);
},
getObjectClient: aGrip => { getObjectClient: aGrip => {
return new ObjectClient(this._scratchpad.debuggerClient, aGrip); return new ObjectClient(this._scratchpad.debuggerClient, aGrip);
}, },

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@ -1136,7 +1136,8 @@ Scope.prototype = {
* @param object aDescriptor * @param object aDescriptor
* Specifies the value and/or type & class of the child, * Specifies the value and/or type & class of the child,
* or 'get' & 'set' accessor properties. If the type is implicit, * or 'get' & 'set' accessor properties. If the type is implicit,
* it will be inferred from the value. * it will be inferred from the value. If this parameter is omitted,
* a property without a value will be added (useful for branch nodes).
* e.g. - { value: 42 } * e.g. - { value: 42 }
* - { value: true } * - { value: true }
* - { value: "nasu" } * - { value: "nasu" }
@ -2304,6 +2305,11 @@ Variable.prototype = Heritage.extend(Scope.prototype, {
this.hideArrow(); this.hideArrow();
} }
// If no value will be displayed, we don't need the separator.
if (!descriptor.get && !descriptor.set && !descriptor.value) {
separatorLabel.hidden = true;
}
if (descriptor.get || descriptor.set) { if (descriptor.get || descriptor.set) {
separatorLabel.hidden = true; separatorLabel.hidden = true;
valueLabel.hidden = true; valueLabel.hidden = true;
@ -2441,7 +2447,8 @@ Variable.prototype = Heritage.extend(Scope.prototype, {
/** /**
* Sets a variable's configurable, enumerable and writable attributes, * Sets a variable's configurable, enumerable and writable attributes,
* and specifies if it's a 'this', '<exception>' or '__proto__' reference. * and specifies if it's a 'this', '<exception>', '<return>' or '__proto__'
* reference.
*/ */
_setAttributes: function() { _setAttributes: function() {
let ownerView = this.ownerView; let ownerView = this.ownerView;
@ -2485,7 +2492,6 @@ Variable.prototype = Heritage.extend(Scope.prototype, {
if (name == "this") { if (name == "this") {
target.setAttribute("self", ""); target.setAttribute("self", "");
} }
else if (name == "<exception>") { else if (name == "<exception>") {
target.setAttribute("exception", ""); target.setAttribute("exception", "");
} }

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@ -28,9 +28,13 @@ XPCOMUtils.defineLazyGetter(this, "VARIABLES_SORTING_ENABLED", () =>
Services.prefs.getBoolPref("devtools.debugger.ui.variables-sorting-enabled") Services.prefs.getBoolPref("devtools.debugger.ui.variables-sorting-enabled")
); );
const MAX_LONG_STRING_LENGTH = 200000; XPCOMUtils.defineLazyModuleGetter(this, "console",
"resource://gre/modules/devtools/Console.jsm");
this.EXPORTED_SYMBOLS = ["VariablesViewController"]; const MAX_LONG_STRING_LENGTH = 200000;
const DBG_STRINGS_URI = "chrome://browser/locale/devtools/debugger.properties";
this.EXPORTED_SYMBOLS = ["VariablesViewController", "StackFrameUtils"];
/** /**
@ -44,6 +48,7 @@ this.EXPORTED_SYMBOLS = ["VariablesViewController"];
* Options for configuring the controller. Supported options: * Options for configuring the controller. Supported options:
* - getObjectClient: callback for creating an object grip client * - getObjectClient: callback for creating an object grip client
* - getLongStringClient: callback for creating a long string grip client * - getLongStringClient: callback for creating a long string grip client
* - getEnvironmentClient: callback for creating an environment client
* - releaseActor: callback for releasing an actor when it's no longer needed * - releaseActor: callback for releasing an actor when it's no longer needed
* - overrideValueEvalMacro: callback for creating an overriding eval macro * - overrideValueEvalMacro: callback for creating an overriding eval macro
* - getterOrSetterEvalMacro: callback for creating a getter/setter eval macro * - getterOrSetterEvalMacro: callback for creating a getter/setter eval macro
@ -54,6 +59,7 @@ function VariablesViewController(aView, aOptions) {
this._getObjectClient = aOptions.getObjectClient; this._getObjectClient = aOptions.getObjectClient;
this._getLongStringClient = aOptions.getLongStringClient; this._getLongStringClient = aOptions.getLongStringClient;
this._getEnvironmentClient = aOptions.getEnvironmentClient;
this._releaseActor = aOptions.releaseActor; this._releaseActor = aOptions.releaseActor;
if (aOptions.overrideValueEvalMacro) { if (aOptions.overrideValueEvalMacro) {
@ -131,8 +137,15 @@ VariablesViewController.prototype = {
*/ */
_populateFromObject: function(aTarget, aGrip) { _populateFromObject: function(aTarget, aGrip) {
let deferred = promise.defer(); let deferred = promise.defer();
// Mark the specified variable as having retrieved all its properties.
let finish = variable => {
variable._retrieved = true;
this.view.commitHierarchy();
deferred.resolve();
};
this._getObjectClient(aGrip).getPrototypeAndProperties(aResponse => { let objectClient = this._getObjectClient(aGrip);
objectClient.getPrototypeAndProperties(aResponse => {
let { ownProperties, prototype } = aResponse; let { ownProperties, prototype } = aResponse;
// safeGetterValues is new and isn't necessary defined on old actors // safeGetterValues is new and isn't necessary defined on old actors
let safeGetterValues = aResponse.safeGetterValues || {}; let safeGetterValues = aResponse.safeGetterValues || {};
@ -167,20 +180,108 @@ VariablesViewController.prototype = {
this.addExpander(proto, prototype); this.addExpander(proto, prototype);
} }
// Mark the variable as having retrieved all its properties. // If the object is a function we need to fetch its scope chain.
aTarget._retrieved = true; if (aGrip.class == "Function") {
this.view.commitHierarchy(); objectClient.getScope(aResponse => {
deferred.resolve(); if (aResponse.error) {
console.error(aResponse.error + ": " + aResponse.message);
finish(aTarget);
return;
}
this._addVarScope(aTarget, aResponse.scope).then(() => finish(aTarget));
});
} else {
finish(aTarget);
}
}); });
return deferred.promise; return deferred.promise;
}, },
/**
* Adds the scope chain elements (closures) of a function variable to the
* view.
*
* @param Variable aTarget
* The variable where the properties will be placed into.
* @param Scope aScope
* The lexical environment form as specified in the protocol.
*/
_addVarScope: function(aTarget, aScope) {
let objectScopes = [];
let environment = aScope;
let funcScope = aTarget.addItem("<Closure>");
funcScope._target.setAttribute("scope", "");
funcScope._fetched = true;
funcScope.showArrow();
do {
// Create a scope to contain all the inspected variables.
let label = StackFrameUtils.getScopeLabel(environment);
// Block scopes have the same label, so make addItem allow duplicates.
let closure = funcScope.addItem(label, undefined, true);
closure._target.setAttribute("scope", "");
closure._fetched = environment.class == "Function";
closure.showArrow();
// Add nodes for every argument and every other variable in scope.
if (environment.bindings) {
this._addBindings(closure, environment.bindings);
funcScope._retrieved = true;
closure._retrieved = true;
} else {
let deferred = Promise.defer();
objectScopes.push(deferred.promise);
this._getEnvironmentClient(environment).getBindings(response => {
this._addBindings(closure, response.bindings);
funcScope._retrieved = true;
closure._retrieved = true;
deferred.resolve();
});
}
} while ((environment = environment.parent));
aTarget.expand();
return Promise.all(objectScopes).then(() => {
// Signal that scopes have been fetched.
this.view.emit("fetched", "scopes", funcScope);
});
},
/**
* Adds nodes for every specified binding to the closure node.
*
* @param Variable closure
* The node where the bindings will be placed into.
* @param object bindings
* The bindings form as specified in the protocol.
*/
_addBindings: function(closure, bindings) {
for (let argument of bindings.arguments) {
let name = Object.getOwnPropertyNames(argument)[0];
let argRef = closure.addItem(name, argument[name]);
let argVal = argument[name].value;
this.addExpander(argRef, argVal);
}
let aVariables = bindings.variables;
let variableNames = Object.keys(aVariables);
// Sort all of the variables before adding them, if preferred.
if (VARIABLES_SORTING_ENABLED) {
variableNames.sort();
}
// Add the variables to the specified scope.
for (let name of variableNames) {
let varRef = closure.addItem(name, aVariables[name]);
let varVal = aVariables[name].value;
this.addExpander(varRef, varVal);
}
},
/** /**
* Adds an 'onexpand' callback for a variable, lazily handling * Adds an 'onexpand' callback for a variable, lazily handling
* the addition of new properties. * the addition of new properties.
* *
* @param Variable aVar * @param Variable aTarget
* The variable where the properties will be placed into. * The variable where the properties will be placed into.
* @param any aSource * @param any aSource
* The source to use to populate the target. * The source to use to populate the target.
@ -254,7 +355,7 @@ VariablesViewController.prototype = {
throw new Error("No actor grip was given for the variable."); throw new Error("No actor grip was given for the variable.");
} }
// If the target a Variable or Property then we're fetching properties // If the target is a Variable or Property then we're fetching properties.
if (VariablesView.isVariable(aTarget)) { if (VariablesView.isVariable(aTarget)) {
this._populateFromObject(aTarget, aSource).then(() => { this._populateFromObject(aTarget, aSource).then(() => {
deferred.resolve(); deferred.resolve();
@ -360,3 +461,64 @@ VariablesViewController.attach = function(aView, aOptions) {
} }
return new VariablesViewController(aView, aOptions); return new VariablesViewController(aView, aOptions);
}; };
/**
* Utility functions for handling stackframes.
*/
let StackFrameUtils = {
/**
* Create a textual representation for the specified stack frame
* to display in the stackframes container.
*
* @param object aFrame
* The stack frame to label.
*/
getFrameTitle: function(aFrame) {
if (aFrame.type == "call") {
let c = aFrame.callee;
return (c.name || c.userDisplayName || c.displayName || "(anonymous)");
}
return "(" + aFrame.type + ")";
},
/**
* Constructs a scope label based on its environment.
*
* @param object aEnv
* The scope's environment.
* @return string
* The scope's label.
*/
getScopeLabel: function(aEnv) {
let name = "";
// Name the outermost scope Global.
if (!aEnv.parent) {
name = L10N.getStr("globalScopeLabel");
}
// Otherwise construct the scope name.
else {
name = aEnv.type.charAt(0).toUpperCase() + aEnv.type.slice(1);
}
let label = L10N.getFormatStr("scopeLabel", name);
switch (aEnv.type) {
case "with":
case "object":
label += " [" + aEnv.object.class + "]";
break;
case "function":
let f = aEnv.function;
label += " [" +
(f.name || f.userDisplayName || f.displayName || "(anonymous)") +
"]";
break;
}
return label;
}
};
/**
* Localization convenience methods.
*/
let L10N = new ViewHelpers.L10N(DBG_STRINGS_URI);

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@ -59,6 +59,7 @@ support-files =
test-bug-859170-longstring-hang.html test-bug-859170-longstring-hang.html
test-bug-869003-iframe.html test-bug-869003-iframe.html
test-bug-869003-top-window.html test-bug-869003-top-window.html
test-closures.html
test-console-extras.html test-console-extras.html
test-console-replaced-api.html test-console-replaced-api.html
test-console.html test-console.html
@ -210,6 +211,7 @@ support-files =
[browser_webconsole_cached_autocomplete.js] [browser_webconsole_cached_autocomplete.js]
[browser_webconsole_change_font_size.js] [browser_webconsole_change_font_size.js]
[browser_webconsole_chrome.js] [browser_webconsole_chrome.js]
[browser_webconsole_closure_inspection.js]
[browser_webconsole_completion.js] [browser_webconsole_completion.js]
[browser_webconsole_console_extras.js] [browser_webconsole_console_extras.js]
[browser_webconsole_console_logging_api.js] [browser_webconsole_console_logging_api.js]

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@ -0,0 +1,91 @@
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
// Check that inspecting a closure in the variables view sidebar works when
// execution is paused.
const TEST_URI = "http://example.com/browser/browser/devtools/webconsole/test/test-closures.html";
let gWebConsole, gJSTerm, gVariablesView;
function test()
{
registerCleanupFunction(() => {
gWebConsole = gJSTerm = gVariablesView = null;
});
addTab(TEST_URI);
browser.addEventListener("load", function onLoad() {
browser.removeEventListener("load", onLoad, true);
openConsole(null, (hud) => {
openDebugger().then(({ toolbox, panelWin }) => {
let deferred = promise.defer();
panelWin.gThreadClient.addOneTimeListener("resumed", (aEvent, aPacket) => {
ok(true, "Debugger resumed");
deferred.resolve({ toolbox: toolbox, panelWin: panelWin });
});
return deferred.promise;
}).then(({ toolbox, panelWin }) => {
let deferred = promise.defer();
panelWin.once(panelWin.EVENTS.FETCHED_SCOPES, (aEvent, aPacket) => {
ok(true, "Scopes were fetched");
toolbox.selectTool("webconsole").then(() => consoleOpened(hud));
deferred.resolve();
});
let button = content.document.querySelector("button");
ok(button, "button element found");
button.click();
return deferred.promise;
});
});
}, true);
}
function consoleOpened(hud)
{
gWebConsole = hud;
gJSTerm = hud.jsterm;
gJSTerm.execute("window.george.getName");
waitForMessages({
webconsole: gWebConsole,
messages: [{
text: "[object Function]",
category: CATEGORY_OUTPUT,
objects: true,
}],
}).then(onExecuteGetName);
}
function onExecuteGetName(aResults)
{
let clickable = aResults[0].clickableElements[0];
ok(clickable, "clickable object found");
gJSTerm.once("variablesview-fetched", onGetNameFetch);
EventUtils.synthesizeMouse(clickable, 2, 2, {}, gWebConsole.iframeWindow)
}
function onGetNameFetch(aEvent, aVar)
{
gVariablesView = aVar._variablesView;
ok(gVariablesView, "variables view object");
findVariableViewProperties(aVar, [
{ name: /_pfactory/, value: "" },
], { webconsole: gWebConsole }).then(onExpandClosure);
}
function onExpandClosure(aResults)
{
let prop = aResults[0].matchedProp;
ok(prop, "matched the name property in the variables view");
gVariablesView.window.focus();
gJSTerm.once("sidebar-closed", finishTest);
EventUtils.synthesizeKey("VK_ESCAPE", {}, gVariablesView.window);
}

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@ -0,0 +1,26 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset='utf-8'/>
<title>Console Test for Closure Inspection</title>
<!-- Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ -->
<script type="text/javascript">
function injectPerson() {
var PersonFactory = function _pfactory(name) {
var foo = 10;
return {
getName: function() { return name; },
getFoo: function() { foo = Date.now(); return foo; }
};
};
window.george = new PersonFactory("George");
debugger;
}
</script>
</head>
<body>
<button onclick="injectPerson()">Test</button>
</body>
</html>

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@ -26,6 +26,7 @@ loader.lazyGetter(this, "ConsoleOutput",
() => require("devtools/webconsole/console-output").ConsoleOutput); () => require("devtools/webconsole/console-output").ConsoleOutput);
loader.lazyGetter(this, "Messages", loader.lazyGetter(this, "Messages",
() => require("devtools/webconsole/console-output").Messages); () => require("devtools/webconsole/console-output").Messages);
loader.lazyImporter(this, "EnvironmentClient", "resource://gre/modules/devtools/dbg-client.jsm");
loader.lazyImporter(this, "ObjectClient", "resource://gre/modules/devtools/dbg-client.jsm"); loader.lazyImporter(this, "ObjectClient", "resource://gre/modules/devtools/dbg-client.jsm");
loader.lazyImporter(this, "VariablesView", "resource:///modules/devtools/VariablesView.jsm"); loader.lazyImporter(this, "VariablesView", "resource:///modules/devtools/VariablesView.jsm");
loader.lazyImporter(this, "VariablesViewController", "resource:///modules/devtools/VariablesViewController.jsm"); loader.lazyImporter(this, "VariablesViewController", "resource:///modules/devtools/VariablesViewController.jsm");
@ -3423,6 +3424,9 @@ JSTerm.prototype = {
view.lazyAppend = this._lazyVariablesView; view.lazyAppend = this._lazyVariablesView;
VariablesViewController.attach(view, { VariablesViewController.attach(view, {
getEnvironmentClient: aGrip => {
return new EnvironmentClient(this.hud.proxy.client, aGrip);
},
getObjectClient: aGrip => { getObjectClient: aGrip => {
return new ObjectClient(this.hud.proxy.client, aGrip); return new ObjectClient(this.hud.proxy.client, aGrip);
}, },

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@ -476,7 +476,7 @@
/* Custom configurable/enumerable/writable or frozen/sealed/extensible /* Custom configurable/enumerable/writable or frozen/sealed/extensible
* variables and properties */ * variables and properties */
.variable-or-property[non-enumerable]:not([self]):not([exception]):not([return]) > .title > .name { .variable-or-property[non-enumerable]:not([self]):not([exception]):not([return]):not([scope]) > .title > .name {
opacity: 0.5; opacity: 0.5;
} }
@ -530,6 +530,11 @@
text-shadow: 0 0 8px #cfc; text-shadow: 0 0 8px #cfc;
} }
.variable-or-property[scope]:not(:focus) > .title > .name {
color: #00a;
text-shadow: 0 0 8px #ccf;
}
/* Variables and properties tooltips */ /* Variables and properties tooltips */
.variable-or-property > tooltip > label { .variable-or-property > tooltip > label {

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@ -476,7 +476,7 @@
/* Custom configurable/enumerable/writable or frozen/sealed/extensible /* Custom configurable/enumerable/writable or frozen/sealed/extensible
* variables and properties */ * variables and properties */
.variable-or-property[non-enumerable]:not([self]):not([exception]):not([return]) > .title > .name { .variable-or-property[non-enumerable]:not([self]):not([exception]):not([return]):not([scope]) > .title > .name {
opacity: 0.5; opacity: 0.5;
} }
@ -530,6 +530,11 @@
text-shadow: 0 0 8px #cfc; text-shadow: 0 0 8px #cfc;
} }
.variable-or-property[scope]:not(:focus) > .title > .name {
color: #00a;
text-shadow: 0 0 8px #ccf;
}
/* Variables and properties tooltips */ /* Variables and properties tooltips */
.variable-or-property > tooltip > label { .variable-or-property > tooltip > label {

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@ -479,7 +479,7 @@
/* Custom configurable/enumerable/writable or frozen/sealed/extensible /* Custom configurable/enumerable/writable or frozen/sealed/extensible
* variables and properties */ * variables and properties */
.variable-or-property[non-enumerable]:not([self]):not([exception]):not([return]) > .title > .name { .variable-or-property[non-enumerable]:not([self]):not([exception]):not([return]):not([scope]) > .title > .name {
opacity: 0.5; opacity: 0.5;
} }
@ -533,6 +533,11 @@
text-shadow: 0 0 8px #cfc; text-shadow: 0 0 8px #cfc;
} }
.variable-or-property[scope]:not(:focus) > .title > .name {
color: #00a;
text-shadow: 0 0 8px #ccf;
}
/* Variables and properties tooltips */ /* Variables and properties tooltips */
.variable-or-property > tooltip > label { .variable-or-property > tooltip > label {

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@ -3780,6 +3780,42 @@
"n_buckets": "1000", "n_buckets": "1000",
"description": "The time (in milliseconds) that it took an 'unblackbox' request to go round trip." "description": "The time (in milliseconds) that it took an 'unblackbox' request to go round trip."
}, },
"DEVTOOLS_DEBUGGER_RDP_LOCAL_SCOPE_MS": {
"kind": "exponential",
"high": "10000",
"n_buckets": "1000",
"description": "The time (in milliseconds) that it took a 'scope' request to go round trip."
},
"DEVTOOLS_DEBUGGER_RDP_REMOTE_SCOPE_MS": {
"kind": "exponential",
"high": "10000",
"n_buckets": "1000",
"description": "The time (in milliseconds) that it took a 'scope' request to go round trip."
},
"DEVTOOLS_DEBUGGER_RDP_LOCAL_BINDINGS_MS": {
"kind": "exponential",
"high": "10000",
"n_buckets": "1000",
"description": "The time (in milliseconds) that it took a 'bindings' request to go round trip."
},
"DEVTOOLS_DEBUGGER_RDP_REMOTE_BINDINGS_MS": {
"kind": "exponential",
"high": "10000",
"n_buckets": "1000",
"description": "The time (in milliseconds) that it took a 'bindings' request to go round trip."
},
"DEVTOOLS_DEBUGGER_RDP_LOCAL_ASSIGN_MS": {
"kind": "exponential",
"high": "10000",
"n_buckets": "1000",
"description": "The time (in milliseconds) that it took an 'assign' request to go round trip."
},
"DEVTOOLS_DEBUGGER_RDP_REMOTE_ASSIGN_MS": {
"kind": "exponential",
"high": "10000",
"n_buckets": "1000",
"description": "The time (in milliseconds) that it took an 'assign' request to go round trip."
},
"DEVTOOLS_OPTIONS_OPENED_BOOLEAN": { "DEVTOOLS_OPTIONS_OPENED_BOOLEAN": {
"kind": "boolean", "kind": "boolean",
"description": "How many times has the devtool's Options panel been opened?" "description": "How many times has the devtool's Options panel been opened?"

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@ -15,6 +15,7 @@ this.EXPORTED_SYMBOLS = ["DebuggerTransport",
"RootClient", "RootClient",
"debuggerSocketConnect", "debuggerSocketConnect",
"LongStringClient", "LongStringClient",
"EnvironmentClient",
"ObjectClient"]; "ObjectClient"];
Cu.import("resource://gre/modules/XPCOMUtils.jsm"); Cu.import("resource://gre/modules/XPCOMUtils.jsm");
@ -1641,6 +1642,13 @@ ThreadClient.prototype = {
this._client._eventsEnabled && this.notify(aPacket.type, aPacket); this._client._eventsEnabled && this.notify(aPacket.type, aPacket);
}, },
/**
* Return an EnvironmentClient instance for the given environment actor form.
*/
environment: function(aForm) {
return new EnvironmentClient(this._client, aForm);
},
/** /**
* Return an instance of SourceClient for the given source actor form. * Return an instance of SourceClient for the given source actor form.
*/ */
@ -1893,6 +1901,23 @@ ObjectClient.prototype = {
}, { }, {
telemetry: "DISPLAYSTRING" telemetry: "DISPLAYSTRING"
}), }),
/**
* Request the scope of the object.
*
* @param aOnResponse function Called with the request's response.
*/
getScope: DebuggerClient.requester({
type: "scope"
}, {
before: function (aPacket) {
if (this._grip.class !== "Function") {
throw new Error("scope is only valid for function grips.");
}
return aPacket;
},
telemetry: "SCOPE"
})
}; };
/** /**
@ -2092,6 +2117,49 @@ BreakpointClient.prototype = {
eventSource(BreakpointClient.prototype); eventSource(BreakpointClient.prototype);
/**
* Environment clients are used to manipulate the lexical environment actors.
*
* @param aClient DebuggerClient
* The debugger client parent.
* @param aForm Object
* The form sent across the remote debugging protocol.
*/
function EnvironmentClient(aClient, aForm) {
this._client = aClient;
this._form = aForm;
this.request = this._client.request;
}
EnvironmentClient.prototype = {
get actor() this._form.actor,
get _transport() { return this._client._transport; },
/**
* Fetches the bindings introduced by this lexical environment.
*/
getBindings: DebuggerClient.requester({
type: "bindings"
}, {
telemetry: "BINDINGS"
}),
/**
* Changes the value of the identifier whose name is name (a string) to that
* represented by value (a grip).
*/
assign: DebuggerClient.requester({
type: "assign",
name: args(0),
value: args(1)
}, {
telemetry: "ASSIGN"
})
};
eventSource(EnvironmentClient.prototype);
/** /**
* Connects to a debugger server socket and returns a DebuggerTransport. * Connects to a debugger server socket and returns a DebuggerTransport.
* *

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@ -414,7 +414,6 @@ function ThreadActor(aHooks, aGlobal)
{ {
this._state = "detached"; this._state = "detached";
this._frameActors = []; this._frameActors = [];
this._environmentActors = [];
this._hooks = aHooks; this._hooks = aHooks;
this.global = aGlobal; this.global = aGlobal;
this._nestedEventLoops = new EventLoopStack({ this._nestedEventLoops = new EventLoopStack({
@ -1816,7 +1815,6 @@ ThreadActor.prototype = {
} }
let actor = new EnvironmentActor(aEnvironment, this); let actor = new EnvironmentActor(aEnvironment, this);
this._environmentActors.push(actor);
aPool.addActor(actor); aPool.addActor(actor);
aEnvironment.actor = actor; aEnvironment.actor = actor;
@ -2905,6 +2903,29 @@ ObjectActor.prototype = {
this.release(); this.release();
return {}; return {};
}, },
/**
* Handle a protocol request to provide the lexical scope of a function.
*
* @param aRequest object
* The protocol request object.
*/
onScope: function OA_onScope(aRequest) {
if (this.obj.class !== "Function") {
return { error: "objectNotFunction",
message: "scope request is only valid for object grips with a" +
" 'Function' class." };
}
let envActor = this.threadActor.createEnvironmentActor(this.obj.environment,
this.registeredPool);
if (!envActor) {
return { error: "notDebuggee",
message: "cannot access the environment of this function." };
}
return { from: this.actorID, scope: envActor.form() };
}
}; };
ObjectActor.prototype.requestTypes = { ObjectActor.prototype.requestTypes = {
@ -2916,6 +2937,7 @@ ObjectActor.prototype.requestTypes = {
"ownPropertyNames": ObjectActor.prototype.onOwnPropertyNames, "ownPropertyNames": ObjectActor.prototype.onOwnPropertyNames,
"decompile": ObjectActor.prototype.onDecompile, "decompile": ObjectActor.prototype.onDecompile,
"release": ObjectActor.prototype.onRelease, "release": ObjectActor.prototype.onRelease,
"scope": ObjectActor.prototype.onScope,
}; };
@ -2934,6 +2956,7 @@ update(PauseScopedObjectActor.prototype, ObjectActor.prototype);
update(PauseScopedObjectActor.prototype, { update(PauseScopedObjectActor.prototype, {
constructor: PauseScopedObjectActor, constructor: PauseScopedObjectActor,
actorPrefix: "pausedobj",
onOwnPropertyNames: onOwnPropertyNames:
PauseScopedActor.withPaused(ObjectActor.prototype.onOwnPropertyNames), PauseScopedActor.withPaused(ObjectActor.prototype.onOwnPropertyNames),
@ -2951,29 +2974,6 @@ update(PauseScopedObjectActor.prototype, {
onParameterNames: onParameterNames:
PauseScopedActor.withPaused(ObjectActor.prototype.onParameterNames), PauseScopedActor.withPaused(ObjectActor.prototype.onParameterNames),
/**
* Handle a protocol request to provide the lexical scope of a function.
*
* @param aRequest object
* The protocol request object.
*/
onScope: PauseScopedActor.withPaused(function OA_onScope(aRequest) {
if (this.obj.class !== "Function") {
return { error: "objectNotFunction",
message: "scope request is only valid for object grips with a" +
" 'Function' class." };
}
let envActor = this.threadActor.createEnvironmentActor(this.obj.environment,
this.registeredPool);
if (!envActor) {
return { error: "notDebuggee",
message: "cannot access the environment of this function." };
}
return { from: this.actorID, scope: envActor.form() };
}),
/** /**
* Handle a protocol request to promote a pause-lifetime grip to a * Handle a protocol request to promote a pause-lifetime grip to a
* thread-lifetime grip. * thread-lifetime grip.
@ -3004,7 +3004,6 @@ update(PauseScopedObjectActor.prototype, {
}); });
update(PauseScopedObjectActor.prototype.requestTypes, { update(PauseScopedObjectActor.prototype.requestTypes, {
"scope": PauseScopedObjectActor.prototype.onScope,
"threadGrip": PauseScopedObjectActor.prototype.onThreadGrip, "threadGrip": PauseScopedObjectActor.prototype.onThreadGrip,
}); });
@ -3447,14 +3446,10 @@ EnvironmentActor.prototype = {
try { try {
this.obj.setVariable(aRequest.name, aRequest.value); this.obj.setVariable(aRequest.name, aRequest.value);
} catch (e) { } catch (e if e instanceof Debugger.DebuggeeWouldRun) {
if (e instanceof Debugger.DebuggeeWouldRun) {
return { error: "threadWouldRun", return { error: "threadWouldRun",
cause: e.cause ? e.cause : "setter", cause: e.cause ? e.cause : "setter",
message: "Assigning a value would cause the debuggee to run" }; message: "Assigning a value would cause the debuggee to run" };
}
// This should never happen, so let it complain loudly if it does.
throw e;
} }
return { from: this.actorID }; return { from: this.actorID };
}, },

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@ -208,6 +208,33 @@ WebConsoleActor.prototype =
this.conn = null; this.conn = null;
}, },
/**
* Create and return an environment actor that corresponds to the provided
* Debugger.Environment. This is a straightforward clone of the ThreadActor's
* method except that it stores the environment actor in the web console
* actor's pool.
*
* @param Debugger.Environment aEnvironment
* The lexical environment we want to extract.
* @return The EnvironmentActor for aEnvironment or undefined for host
* functions or functions scoped to a non-debuggee global.
*/
createEnvironmentActor: function WCA_createEnvironmentActor(aEnvironment) {
if (!aEnvironment) {
return undefined;
}
if (aEnvironment.actor) {
return aEnvironment.actor;
}
let actor = new EnvironmentActor(aEnvironment, this);
this._actorPool.addActor(actor);
aEnvironment.actor = actor;
return actor;
},
/** /**
* Create a grip for the given value. * Create a grip for the given value.
* *

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@ -37,6 +37,7 @@ function testExceptionHook(ex) {
} catch(ex) { } catch(ex) {
return {throw: ex} return {throw: ex}
} }
return undefined;
} }
// Convert an nsIScriptError 'aFlags' value into an appropriate string. // Convert an nsIScriptError 'aFlags' value into an appropriate string.

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@ -0,0 +1,64 @@
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
var gDebuggee;
var gClient;
var gThreadClient;
// Test that the EnvironmentClient's getBindings() method works as expected.
function run_test()
{
initTestDebuggerServer();
gDebuggee = addTestGlobal("test-bindings");
gClient = new DebuggerClient(DebuggerServer.connectPipe());
gClient.connect(function() {
attachTestTabAndResume(gClient, "test-bindings", function(aResponse, aTabClient, aThreadClient) {
gThreadClient = aThreadClient;
test_banana_environment();
});
});
do_test_pending();
}
function test_banana_environment()
{
gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket) {
let environment = aPacket.frame.environment;
do_check_eq(environment.type, "function");
let parent = environment.parent;
do_check_eq(parent.type, "block");
let grandpa = parent.parent;
do_check_eq(grandpa.type, "function");
let envClient = gThreadClient.environment(environment);
envClient.getBindings(aResponse => {
do_check_eq(aResponse.bindings.arguments[0].z.value, "z");
let parentClient = gThreadClient.environment(parent);
parentClient.getBindings(aResponse => {
do_check_eq(aResponse.bindings.variables.banana3.value.class, "Function");
let grandpaClient = gThreadClient.environment(grandpa);
grandpaClient.getBindings(aResponse => {
do_check_eq(aResponse.bindings.arguments[0].y.value, "y");
gThreadClient.resume(() => finishClient(gClient));
});
});
});
});
gDebuggee.eval("\
function banana(x) { \n\
return function banana2(y) { \n\
return function banana3(z) { \n\
debugger; \n\
}; \n\
}; \n\
} \n\
banana('x')('y')('z'); \n\
");
}

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@ -0,0 +1,72 @@
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
var gDebuggee;
var gClient;
var gThreadClient;
// Test that closures can be inspected.
function run_test()
{
initTestDebuggerServer();
gDebuggee = addTestGlobal("test-closures");
gClient = new DebuggerClient(DebuggerServer.connectPipe());
gClient.connect(function() {
attachTestTabAndResume(gClient, "test-closures", function(aResponse, aTabClient, aThreadClient) {
gThreadClient = aThreadClient;
test_object_grip();
});
});
do_test_pending();
}
function test_object_grip()
{
gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket) {
let person = aPacket.frame.environment.bindings.variables.person;
do_check_eq(person.value.class, "Object");
let personClient = gThreadClient.pauseGrip(person.value);
personClient.getPrototypeAndProperties(aResponse => {
do_check_eq(aResponse.ownProperties.getName.value.class, "Function");
do_check_eq(aResponse.ownProperties.getAge.value.class, "Function");
do_check_eq(aResponse.ownProperties.getFoo.value.class, "Function");
let getNameClient = gThreadClient.pauseGrip(aResponse.ownProperties.getName.value);
let getAgeClient = gThreadClient.pauseGrip(aResponse.ownProperties.getAge.value);
let getFooClient = gThreadClient.pauseGrip(aResponse.ownProperties.getFoo.value);
getNameClient.getScope(aResponse => {
do_check_eq(aResponse.scope.bindings.arguments[0].name.value, "Bob");
getAgeClient.getScope(aResponse => {
do_check_eq(aResponse.scope.bindings.arguments[1].age.value, 58);
getFooClient.getScope(aResponse => {
do_check_eq(aResponse.scope.bindings.variables.foo.value, 10);
gThreadClient.resume(() => finishClient(gClient));
});
});
});
});
});
gDebuggee.eval("(" + function() {
var PersonFactory = function(name, age) {
var foo = 10;
return {
getName: function() { return name; },
getAge: function() { return age; },
getFoo: function() { foo = Date.now(); return foo; }
};
};
var person = new PersonFactory("Bob", 58);
debugger;
} + ")()");
}

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@ -145,6 +145,7 @@ reason = bug 820380
[test_objectgrips-07.js] [test_objectgrips-07.js]
[test_objectgrips-08.js] [test_objectgrips-08.js]
[test_objectgrips-09.js] [test_objectgrips-09.js]
[test_objectgrips-10.js]
[test_interrupt.js] [test_interrupt.js]
[test_stepping-01.js] [test_stepping-01.js]
[test_stepping-02.js] [test_stepping-02.js]
@ -158,6 +159,7 @@ reason = bug 820380
[test_framebindings-04.js] [test_framebindings-04.js]
[test_framebindings-05.js] [test_framebindings-05.js]
[test_framebindings-06.js] [test_framebindings-06.js]
[test_framebindings-07.js]
[test_pause_exceptions-01.js] [test_pause_exceptions-01.js]
skip-if = toolkit == "gonk" skip-if = toolkit == "gonk"
reason = bug 820380 reason = bug 820380