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firebug-service.js
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firebug-service.js
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/* See license.txt for terms of usage */
// Debug lines are marked with at column 120
// Use variable name "fileName" for href returned by JSD, file:/ not same as DOM
// Use variable name "url" for normalizedURL, file:/// comparable to DOM
// Convert from fileName to URL with normalizeURL
// We probably don't need denormalizeURL since we don't send .fileName back to JSD
// ********************************************************************************************* //
// Constants
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
const PrefService = Cc["@mozilla.org/preferences-service;1"];
const DebuggerService = Cc["@mozilla.org/js/jsd/debugger-service;1"];
const ConsoleService = Cc["@mozilla.org/consoleservice;1"];
const Timer = Cc["@mozilla.org/timer;1"];
const ObserverServiceFactory = Cc["@mozilla.org/observer-service;1"];
const jsdIDebuggerService = Ci.jsdIDebuggerService;
const jsdIScript = Ci.jsdIScript;
const jsdIStackFrame = Ci.jsdIStackFrame;
const jsdICallHook = Ci.jsdICallHook;
const jsdIExecutionHook = Ci.jsdIExecutionHook;
const jsdIErrorHook = Ci.jsdIErrorHook;
const jsdIFilter = Components.interfaces.jsdIFilter;
const nsISupports = Ci.nsISupports;
const nsIPrefBranch = Ci.nsIPrefBranch;
const nsIPrefBranch2 = Ci.nsIPrefBranch2;
const nsIComponentRegistrar = Ci.nsIComponentRegistrar;
const nsIFactory = Ci.nsIFactory;
const nsIConsoleService = Ci.nsIConsoleService;
const nsITimer = Ci.nsITimer;
const nsITimerCallback = Ci.nsITimerCallback;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
const NS_ERROR_NO_INTERFACE = Components.results.NS_ERROR_NO_INTERFACE;
const NS_ERROR_NOT_IMPLEMENTED = Components.results.NS_ERROR_NOT_IMPLEMENTED;
const NS_ERROR_NO_AGGREGATION = Components.results.NS_ERROR_NO_AGGREGATION;
const PCMAP_SOURCETEXT = jsdIScript.PCMAP_SOURCETEXT;
const PCMAP_PRETTYPRINT = jsdIScript.PCMAP_PRETTYPRINT;
const COLLECT_PROFILE_DATA = jsdIDebuggerService.COLLECT_PROFILE_DATA;
const DISABLE_OBJECT_TRACE = jsdIDebuggerService.DISABLE_OBJECT_TRACE;
const HIDE_DISABLED_FRAMES = jsdIDebuggerService.HIDE_DISABLED_FRAMES;
const DEBUG_WHEN_SET = jsdIDebuggerService.DEBUG_WHEN_SET;
const MASK_TOP_FRAME_ONLY = jsdIDebuggerService.MASK_TOP_FRAME_ONLY;
const TYPE_FUNCTION_CALL = jsdICallHook.TYPE_FUNCTION_CALL;
const TYPE_FUNCTION_RETURN = jsdICallHook.TYPE_FUNCTION_RETURN;
const TYPE_TOPLEVEL_START = jsdICallHook.TYPE_TOPLEVEL_START;
const TYPE_TOPLEVEL_END = jsdICallHook.TYPE_TOPLEVEL_END;
const RETURN_CONTINUE = jsdIExecutionHook.RETURN_CONTINUE;
const RETURN_VALUE = jsdIExecutionHook.RETURN_RET_WITH_VAL;
const RETURN_THROW_WITH_VAL = jsdIExecutionHook.RETURN_THROW_WITH_VAL;
const RETURN_CONTINUE_THROW = jsdIExecutionHook.RETURN_CONTINUE_THROW;
const NS_OS_TEMP_DIR = "TmpD";
const STEP_OVER = 1;
const STEP_INTO = 2;
const STEP_OUT = 3;
const STEP_SUSPEND = 4;
const TYPE_ONE_SHOT = nsITimer.TYPE_ONE_SHOT;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
const BP_NORMAL = 1;
const BP_MONITOR = 2;
const BP_UNTIL = 4;
const BP_ONRELOAD = 8; // XXXjjb: This is a mark for the UI to test
const BP_ERROR = 16;
const BP_TRACE = 32; // BP used to initiate traceCalls
const LEVEL_TOP = 1;
const LEVEL_EVAL = 2;
const LEVEL_EVENT = 3;
const COMPONENTS_FILTERS = [
new RegExp("^(file:/.*/)extensions/%7B[\\da-fA-F]{8}-[\\da-fA-F]{4}-[\\da-fA-F]{4}-[\\da-fA-F]{4}-[\\da-fA-F]{12}%7D/components/.*\\.js$"),
new RegExp("^(file:/.*/)extensions/firebug@software\\.joehewitt\\.com/modules/.*\\.js$"),
new RegExp("^(file:/.*/extensions/)\\w+@mozilla\\.org/components/.*\\.js$"),
new RegExp("^(file:/.*/components/)ns[A-Z].*\\.js$"),
new RegExp("^(file:/.*/modules/)firebug-[^\\.]*\\.js$"),
new RegExp("^(file:/.*/Contents/MacOS/extensions/.*/components/).*\\.js$"),
new RegExp("^(file:/.*/modules/).*\\.jsm$"),
];
const reDBG = /DBG_(.*)/;
const reXUL = /\.xul$|\.xml$/;
const reTooMuchRecursion = /too\smuch\srecursion/;
const getPref = Components.utils.import("resource://firebug/loader.js", {}).FirebugLoader.getPref;
// ********************************************************************************************* //
// Globals
//https://developer.mozilla.org/en/Using_JavaScript_code_modules
var EXPORTED_SYMBOLS = ["fbs"];
var jsd, prefs;
var observerService;
var contextCount = 0;
var urlFilters = [
'chrome://',
'XStringBundle',
'x-jsd:ppbuffer?type=function', // internal script for pretty printing
];
var clients = [];
var debuggers = [];
var netDebuggers = [];
var scriptListeners = [];
var hookFrameCount = 0;
var haltObject = null; // For reason unknown, fbs.haltDebugger will not work.
var breakpointCount = 0;
// These are an optimization I guess, marking whether we are using this feature anywhere.
var disabledCount = 0;
var monitorCount = 0;
var conditionCount = 0;
var runningUntil = null;
var errorBreakpoints = [];
var profileCount = 0;
var profileStart;
var enabledDebugger = false;
var reportNextError = false;
var errorInfo = null;
var timer = Timer.createInstance(nsITimer);
var waitingForTimer = false;
var FBTrace = null;
// ********************************************************************************************* //
function frameId(frame, depth)
{
if (frame)
return frame.script.tag+"@"+frame.line+"^"+depth;
else
return "noIdForNoframe";
}
// xxxHonza: duplicated in lib.js, there should be a shared module with this API.
function extend(l,r)
{
var newOb = {};
for (var n in l)
newOb[n] = l[n];
for (var n in r)
newOb[n] = r[n];
return newOb;
}
// ********************************************************************************************* //
// jsdICallHook or jsdIExecutionHook.
var jsdHandlers =
{
hooks: [],
// Stage for activation when 'hook' is called
add: function(aHook)
{
if (!aHook)
ERROR("firebug-service.jsdHandlers.add: null hook");
this.hooks.push(aHook);
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.Hooks.add; " + aHook.mode + ", active hooks: " +
this.hooks.length);
},
remove: function(aHook)
{
var i = this.hooks.indexOf(aHook);
if (i != -1)
{
this.hooks.splice(i, 1);
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.Hooks.remove; " + aHook.mode + ", active hooks: " +
this.hooks.length);
}
else
{
ERROR("firebug-service.Hooks.unhook ERROR, no such hook " +
aHook.name, {aHook: aHook, Hooks: this});
}
},
// activate hooks
hook: function(frame)
{
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.start hooks " + this.hooks.length + " hooks active " +
frameToString(frame), this);
for (var i = 0; i < this.hooks.length; i++)
{
var aHook = this.hooks[i];
aHook.hook(frame);
if ("onFunctionCall" in aHook || "onFunctionReturn" in aHook)
fbs.hookFunctions();
if ("onInterrupt" in aHook)
fbs.hookInterrupts(frame);
}
},
unhook: function(frame)
{
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.stop hooks "+this.hooks.length+" hooks active", this);
this.checkForUnhookFunctions(frame);
this.checkForUnhookInterrupts(frame);
},
checkForUnhookFunctions: function(frame)
{
for (var i = 0; i < this.hooks.length; i++)
{
var aHook = this.hooks[i];
aHook.unhook(frame);
if ("onFunctionCall" in aHook || "onFunctionReturn" in aHook)
return;
}
fbs.unhookFunctions();
},
checkForUnhookInterrupts: function(frame)
{
for (var i = 0; i < this.hooks.length; i++)
{
var aHook = this.hooks[i];
if ("onInterrupt" in aHook)
return;
}
fbs.unhookInterrupts(); // none found
},
dispatch: function(methodName, frame, type, rv)
{
for (var i = 0; i < this.hooks.length; i++)
{
var aHook = this.hooks[i];
if (methodName in aHook)
{
if (FBTrace.DBG_FBS_STEP && FBTrace.DBG_DISPATCH)
FBTrace.sysout("fbs.jsdHandler.dispatch " + methodName +
" to " + aHook + " " + getCallFromType(type) + " frame: " +
frameToString(frame), this);
var rc = aHook[methodName].apply(aHook, [frame, type, rv]);
if (typeof(rc) != "undefined" || rc !== RETURN_CONTINUE)
return rc;
}
}
return RETURN_CONTINUE;
}
};
// ********************************************************************************************* //
// Break on Next
function BreakOnNextCall(debuggr, context)
{
this.debuggr = debuggr;
this.context = context;
}
BreakOnNextCall.prototype =
{
mode: "BON",
hook: function(frame)
{
},
unhook: function(frame)
{
},
// the frame will be running the calling script
hit: function(frame, type)
{
fbs.cancelBreakOnNextCall(this.debuggr, this.context);
var rv = {};
return fbs.routeBreakToDebuggr(frame, type, rv, this.debuggr);
},
onFunctionCall: function(frame, type)
{
if (!this.context || !this.context.sourceFileByTag)
return ERROR("onFunctionCall ERROR invalid context ");
var lucky = this.context.getSourceFileByTag(frame.script.tag);
if (!lucky) // then function running the frame is not in this context
{
// then we could be running an outer function from a new compilation unit
if (!frame.callingFrame)
{
var val = {};
// then the function could have just been added to the context
if (fbs.isTopLevelScript(frame, type, val))
lucky = this.context.getSourceFileByTag(frame.script.tag);
}
}
if (lucky) // then we hit in a function in our context
{
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.breakOnNextTopFunction hits at "+getCallFromType(type)+" at "+
frame.script.fileName+" tag:"+(lucky?"LUCKY WINNER":frame.script.tag),
framesToString(frame));
return this.hit(frame, type);
}
// else maybe we hit on a event unrelated to our context
},
};
// Stack segments
// When frame.callingFrame is null then we are starting a new stack segment
// FrameId track call stack
// segment0.fnc1 !callingFrame !this.callingFrameId
// segment0.fnc2 this.callingFrameId == segment0.fnc1
// ...
// segment1.fnc44 !callingFrame this.callingFrameId == fnc2.segment0
// segment1.fnc45
//
// ********************************************************************************************* //
// Stepper: Step Out Implementation
/**
* @class This object implements "step out" debugger feature. In other words run until
* the current function returns, then stop in the caller.
*/
function OutStepper(debuggr, context)
{
this.debuggr = debuggr;
this.context = context;
if (!this.debuggr)
ERROR("firebug-service.OutStepper no debuggr");
}
OutStepper.prototype =
/** @lends OutStepper */
{
mode: "STEP_OUT",
getCallingFrameId: function(frame)
{
if (frame.callingFrame)
return frameId(frame.callingFrame, this.depth);
var debuggr = fbs.reFindDebugger(frame, this.debuggr);
if (debuggr && debuggr.breakContext)
return debuggr.breakContext.getName(); // TODO segments
},
hook: function(frame)
{
this.depth = 0;
if (frame)
{
this.startFrameId = frameId(frame, 0);
this.callingFrameId = this.getCallingFrameId(frame);
if (!this.callingFrameId)
ERROR("OutStepper.hook cannot find callingFrame ", this);
this.startFrameTag = frame.script.tag;
}
else
{
ERROR("OutStepper.hook no frame ");
}
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode+" hook with frame "+frameToString(frame)+
" with callingFrameId "+this.callingFrameId, this);
return true;
},
// the frame will be running the called script
onFunctionCall: function stepFunctionCall(frame, type)
{
var callingFrameId = this.getCallingFrameId(frame);
if (this.callingFrameId === callingFrameId) // then it is our caller
{
this.depth++;
this.callingFrameId = callingFrameId; // push new id for stepFunctionReturn
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode+" stepFunctionCall new depth "+this.depth+
" new callingFrameId "+this.callingFrameId);
}
// else someone else, ignore it
},
// the frame will be running the called script
onFunctionReturn: function stepFunctionReturn(frame, type)
{
var callingFrameId = this.getCallingFrameId(frame);
if (this.callingFrameId === callingFrameId) // then it is our caller
{
if (this.depth) // but we are not back to our caller
{
this.depth--;
this.callingFrameId = callingFrameId; // recursion
return;
}
else // then we are back to the frame we started on
{
if (frame.callingFrame)
return this.hit(frame.callingFrame, type);
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.OutStepper.onFunctionReturn no calling frame " +
frameToString(frame) + ", " + getCallFromType(type), this);
jsdHandlers.unhook(frame); // we are done here
jsdHandlers.remove(this);
return;
}
}
// Then we are returning with out ever calling stepFunctionCall,
// but on a frame we care about.
if (!this.callingFrameId && callingFrameId)
{
// Then are returning from the frame we care about.
if (frame.script.tag === this.startFrameTag)
{
if (frame.callingFrame)
return this.hit(frame.callingFrame, type);
else
ERROR("Should be top level just exit", this);
}
ERROR("Returning from a frame we care about but not one we know " +
frameToString(frame), this);
}
// else it's is not a frame we care about
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode + ".onFunctionReturn callingFrameId " +
callingFrameId + " called frame " + frameToString(frame), this)
},
unhook: function(frame)
{
},
hit: function(frame, type, rv)
{
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode + " hit " + getCallFromType(type) + " at " +
frameToString(frame), this);
var debuggr = fbs.reFindDebugger(frame, this.debuggr);
if (debuggr)
{
jsdHandlers.unhook(frame);
jsdHandlers.remove(this);
rv = {};
return fbs.breakIntoDebugger(debuggr, frame, type);
}
return ERROR("Hit but debuggr did not match "+this.debuggr.debuggerName+" in frame "+
frameToString(frame), this);
},
toString: function()
{
if (!this.context.getName)
FBTrace.sysout("fbs.this.context.getName ", this.context);
return this.mode + " for "+this.context.getName();
},
};
// ********************************************************************************************* //
// Stepper: Step Over Implementation
/**
* @class This oject implements "step over". I's like {@link OutStepper}, but run a single
* line in this function.
*/
function LineStepper(debuggr, context)
{
this.context = context;
this.debuggr = debuggr;
}
LineStepper.prototype = extend(OutStepper.prototype,
/** @lends LineStepper */
{
mode: "STEP_OVER",
hook: function hookLineStepper(frame)
{
OutStepper.prototype.hook.apply(this, arguments); // hook functions
this.lineFrameId = frameId(frame, this.depth);
this.stepFrameTag = frame.script.tag;
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode + ".hook " + frameToString(frame) +
" with lineFrameId " + this.lineFrameId, this);
},
unhook: function unhookLineStepper(frame)
{
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode + ".hook; unhook " + frameToString(frame));
},
// jsdIExecutionHook, onExecute
onInterrupt: function stepLine(frame, type, rv)
{
if (this.stepFrameTag !== frame.script.tag) // then we stepped into another function
{
// We'd have much bettter performance if we set a new OutStepper here then remove
// interrupt hook until it hits.
return RETURN_CONTINUE;
}
// Sometimes the same line will have multiple interrupts, so check
// a unique id for the line and don't break until it changes
var frameLineId = frameId(frame, this.depth);
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode + " interruptHook pc:" + frame.pc +
" frameLineId: " + frameLineId + " vs " + this.lineFrameId + " running " +
frame.script.tag + " of " + frame.script.fileName +
" at " + frame.line + "." + frame.pc, this);
if (frameLineId != this.lineFrameId)
return this.hit(frame, type, rv);
else
return RETURN_CONTINUE;
},
toString: function()
{
if (!this.context.getName)
FBTrace.sysout("fbs.this.context.getName ", this.context);
return this.mode + " for "+this.context.getName();
},
});
// ********************************************************************************************* //
// Stepper: Step In Implementation
/**
* @class This oject implements "step in". I's like {@link OutStepper}, but if the line
* calls a function, stop on its first line
*/
function IntoStepper(debuggr, context)
{
this.context = context;
this.debuggr = debuggr;
}
IntoStepper.prototype = extend(LineStepper.prototype,
/** @lends IntoStepper */
{
mode: "STEP_INTO",
hook: function(frame)
{
LineStepper.prototype.hook.apply(this, arguments); // hook functions and interrupts
},
// the frame will be running the called script
onFunctionCall: function intoFunctionCall(frame, type)
{
var callingFrame = frame.callingFrame;
if (callingFrame)
{
// Skip functions running in the frame that is not in this context (issue 3077)
var lucky = this.context.getSourceFileByTag(frame.script.tag);
if (!lucky)
return;
// then we stepped into from our caller
if (this.stepFrameTag === callingFrame.script.tag)
return this.hit(frame, type);
// else someone else, ignore it
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs." + this.mode + ".intoFunctionCall no match " +
this.stepFrameTag + " vs " + callingFrame.script.tag, this);
}
// else this would be a top level call, do we want to check for
// another event from this context?
},
});
// ********************************************************************************************* //
// Function Stepper/Tracer
/**
* Tracer for learning about function stepping, not part of firebug
*/
function LogFunctionStepper()
{
//xxxjjb: not defined this.initialize();
}
LogFunctionStepper.prototype =
{
hook: function()
{
fbs.inDebuggerSetupStack = true;
},
stop: function()
{
delete fbs.stackDescription;
},
// the frame will be running the called script
onFunctionCall: function logFunctionCall(frame, type)
{
if (fbs.inDebuggerSetupStack) // then we are still in the debugger set up code
return;
if (!fbs.stackDescription)
fbs.stackDescription = { oldestTag: frame.script.tag, depth: 1, entries: [] };
else
fbs.stackDescription.depth++;
this.logFunction(frame, type);
},
// the frame will be running the called script
onFunctionReturn: function logFunctionReturn(frame, type)
{
if (fbs.inDebuggerSetupStack) // then we are still in the debugger set up code
{
if (!frame.callingFrame) // then done with setup
delete fbs.inDebuggerSetupStack;
return;
}
if (!fbs.stackDescription)
fbs.stackDescription = { oldestTag: "Return first!", depth: 0, entries: [] };
fbs.stackDescription.depth--;
this.logFunction(frame, type);
if (!frame.callingFrame)
{
var diff = (fbs.stackDescription.oldestTag !== frame.script.tag);
if (FBTrace.DBG_FBS_STEP)
FBTrace.sysout("fbs.Stack ends at depth "+fbs.stackDescription.depth +
(diff ? " NO Match on tag " : " tags match"), fbs.stackDescription.entries);
fbs.stackDescription.entries = [];
}
if (!fbs.stackDescription.depth)
delete fbs.stackDescription;
},
logFunction: function(frame, type)
{
var typeName = getCallFromType(type);
var actualFrames = countFrames(frame);
fbs.stackDescription.entries.push(""+fbs.stackDescription.depth+
": "+typeName +
" (frameCount: "+actualFrames+") " +
" oldestTag "+fbs.stackDescription.oldestTag+
" running "+frame.script.tag+" of "+frame.script.fileName+" at "+
frame.line+"."+frame.pc);
},
};
// ********************************************************************************************* //
// Firebug Service
var fbs =
{
initialize: function()
{
Components.utils.import("resource://firebug/firebug-trace-service.js");
FBTrace = traceConsoleService.getTracer("extensions.firebug");
if (FBTrace.DBG_FBS_ERRORS)
FBTrace.sysout("fbs.FirebugService Starting");
fbs = this;
this.wrappedJSObject = this; // XXXjjb remove this and the one in debugger
this.timeStamp = new Date(); /* explore */
Components.utils.import("resource://firebug/debuggerHalter.js");
fbs.debuggerHalter = debuggerHalter; // ref to a function in a file that passes the jsdIFilter
fbs.restoreBreakpoints();
this.onDebugRequests = 0; // the number of times we called onError but did not call onDebug
fbs._lastErrorDebuggr = null;
if (FBTrace.DBG_FBS_ERRORS)
this.osOut("FirebugService Starting, FBTrace should be up\n");
this.profiling = false;
prefs = PrefService.getService(nsIPrefBranch2);
fbs.prefDomain = "extensions.firebug";
prefs.addObserver(fbs.prefDomain, fbs, false);
observerService = ObserverServiceFactory.getService(Ci.nsIObserverService);
observerService.addObserver(QuitApplicationGrantedObserver, "quit-application-granted", false);
observerService.addObserver(QuitApplicationRequestedObserver, "quit-application-requested", false);
observerService.addObserver(QuitApplicationObserver, "quit-application", false);
this.scriptsFilter = "all";
this.alwayFilterURLsStarting = ["chrome://chromebug", "x-jsd:ppbuffer"]; // TODO allow override
this.onEvalScriptCreated.kind = "eval";
this.onTopLevelScriptCreated.kind = "top-level";
this.onEventScriptCreated.kind = "event";
this.onXULScriptCreated.kind = "xul";
this.pendingXULScripts = [];
this.onXScriptCreatedByTag = {}; // fbs functions by script tag
this.nestedScriptStack = []; // scripts contained in leveledScript that have not been drained
if (FBTrace.DBG_FBS_ERRORS)
FBTrace.sysout("fbs.FirebugService Initialized");
},
osOut: function(str)
{
if (!this.outChannel)
{
try
{
var appShellService = Components.classes["@mozilla.org/appshell/appShellService;1"].
getService(Components.interfaces.nsIAppShellService);
this.hiddenWindow = appShellService.hiddenDOMWindow;
this.outChannel = "hidden";
}
catch(exc)
{
consoleService = Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService);
consoleService.logStringMessage("Using consoleService because " +
"nsIAppShellService.hiddenDOMWindow not available "+exc);
this.outChannel = "service";
}
}
if (this.outChannel === "hidden") // apparently can't call via JS function
this.hiddenWindow.dump(str);
else
consoleService.logStringMessage(str);
},
shutdown: function() // call disableDebugger first
{
timer = null;
try
{
prefs.removeObserver(fbs.prefDomain, fbs, false);
}
catch (exc)
{
FBTrace.sysout("fbs.prefs.removeObserver ERROR "+exc, exc);
}
try
{
observerService.removeObserver(QuitApplicationGrantedObserver, "quit-application-granted");
observerService.removeObserver(QuitApplicationRequestedObserver, "quit-application-requested");
observerService.removeObserver(QuitApplicationObserver, "quit-application");
}
catch (exc)
{
FBTrace.sysout("fbs.quit-application-observers removeObserver ERROR "+exc, exc);
}
if (!jsd)
return;
try
{
do
{
var depth = jsd.exitNestedEventLoop();
}
while(depth > 0);
}
catch (exc)
{
// Seems to be the normal path...
// FBTrace.sysout("fbs.FirebugService, attempt to exitNestedEventLoop ERROR "+exc);
}
// make sure to unregister all the hooks
var hookNames = ["error", "script", "breakpoint", "debugger", "debug", "interrupt",
"throw", "topLevel", "function", "debug"];
for each (var hook in hookNames)
{
try {
jsd[hook + "Hook"] = null;
}
catch (exc)
{
FBTrace.sysout("fbs.quit-application-observers removeObserver ERROR "+exc, exc);
}
}
jsd = null;
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// nsISupports
QueryInterface: function(iid)
{
if (!iid.equals(nsISupports))
throw NS_ERROR_NO_INTERFACE;
return this;
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// nsIObserver
observe: function(subject, topic, data)
{
if(topic != "nsPref:changed") return;
fbs.obeyPrefs();
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
registerClient: function(client) // clients are essentially XUL windows
{
if (!client)
throw new Error("firebug-service cannot register client: "+client);
clients.push(client);
return clients.length;
},
unregisterClient: function(client)
{
for (var i = 0; i < clients.length; ++i)
{
if (clients[i] == client)
{
clients.splice(i, 1);
break;
}
}
},
// first one in will be last one called. Returns state enabledDebugger
registerDebugger: function(debuggrWrapper)
{
var debuggr = debuggrWrapper.wrappedJSObject;
if (debuggr)
{
var anyDebuggers = (debuggers.length === 1);
var i = debuggers.indexOf(debuggr);
if (i === -1)
{
debuggers.push(debuggr);
if (!anyDebuggers)
this.enableDebugger();
}
if (FBTrace.DBG_FBS_FINDDEBUGGER || FBTrace.DBG_ACTIVATION)
FBTrace.sysout("fbs.registerDebugger have "+debuggers.length+
" after reg debuggr.debuggerName: "+debuggr.debuggerName+" we are "+
(enabledDebugger?"enabled":"not enabled")+" " + "On:"+(jsd?jsd.isOn:"no jsd")+
" jsd.pauseDepth:"+(jsd?jsd.pauseDepth:"off"));
}
else
{
var err = new Error("firebug-service debuggers must have wrappedJSObject ");
err.debuggrWrapper = debuggrWrapper;
throw err;
}
try
{
if (debuggr.suspendActivity)
netDebuggers.push(debuggr);
}
catch(exc)
{
}
try
{
if (debuggr.onScriptCreated) // TODO xxxjjb: I don't know who uses this, remove it?
scriptListeners.push(debuggr);
}
catch(exc)
{
}
return debuggers.length; // 1.3.1 return to allow Debugger to check progress
},
unregisterDebugger: function(debuggrWrapper)
{
var debuggr = debuggrWrapper.wrappedJSObject;
for (var i = 0; i < debuggers.length; ++i)
{
if (debuggers[i] == debuggr)
{
debuggers.splice(i, 1);
break;
}
}
for (var i = 0; i < netDebuggers.length; ++i)
{
if (netDebuggers[i] == debuggr)
{
netDebuggers.splice(i, 1);
break;
}
}
for (var i = 0; i < scriptListeners.length; ++i)
{
if (scriptListeners[i] == debuggr)
{
scriptListeners.splice(i, 1);
break;
}
}
if (debuggers.length == 0)
this.disableDebugger();
if (FBTrace.DBG_FBS_FINDDEBUGGER || FBTrace.DBG_ACTIVATION)
FBTrace.sysout("fbs.unregisterDebugger have "+debuggers.length+
" after unreg debuggr.debuggerName: "+debuggr.debuggerName+" we are "+
(enabledDebugger?"enabled":"not enabled")+" jsd.isOn:"+(jsd?jsd.isOn:"no jsd"));
return debuggers.length;
},
lockDebugger: function()