зеркало из https://github.com/mozilla/gecko-dev.git
- not built -
factor debug stop code into debugTrap() add detachDebugger() function to cleanup the debugger onunload add formatProperty, formatScript, formatStackFrame, and formatValue fucntions to turn jsdI* values into strings add displayCallStack() function to dump the call stack to the console add displayFrame() function to dump a frame to the console
This commit is contained in:
rginda%netscape.com
Родитель
81114a7b8b
Коммит
aa3357010b
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@ -36,6 +36,8 @@
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const JSD_CTRID = "@mozilla.org/js/jsd/debugger-service;1";
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const jsdIDebuggerService = Components.interfaces.jsdIDebuggerService;
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const jsdIExecutionHook = Components.interfaces.jsdIExecutionHook;
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const jsdIValue = Components.interfaces.jsdIValue;
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const jsdIProperty = Components.interfaces.jsdIProperty;
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console.scriptHooker = new Object();
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console.scriptHooker.onScriptLoaded =
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@ -56,44 +58,68 @@ function ih_exehook (cx, state, type, rv)
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console.debuggerHooker = new Object();
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console.debuggerHooker.onExecute =
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function dh_exehook (aCx, state, type, rv)
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function dh_exehook (cx, state, type, rv)
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{
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dd ("onDebuggerHook (" + aCx + ", " + state + ", " + type + ")");
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dd ("onDebuggerHook (" + cx + ", " + state + ", " + type + ")");
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return debugTrap(cx, state, type);
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}
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function debugTrap (cx, state, type)
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{
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++console.stopLevel;
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/* set our default return value */
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console.continueCodeStack.push (jsdIExecutionHook.RETURN_CONTINUE);
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console.currentContext = aCx;
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console.currentContext = cx;
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console.currentThreadState = state;
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var frame = console.currentFrame = state.topFrame;
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/* build an array of frames */
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console.frames = new Array(frame);
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while ((frame = frame.callingFrame))
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console.frames.push(frame);
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display (MSG_STOP_DEBUGGER, MT_STOP);
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var tn = "";
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switch (type)
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{
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case jsdIExecutionHook.TYPE_BREAKPOINT:
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tn = MSG_VAL_BREAKPOINT;
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break;
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case jsdIExecutionHook.TYPE_DEBUG_REQUESTED:
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tn = MSG_VAL_DEBUG;
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break;
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case jsdIExecutionHook.TYPE_DEBUGGER_KEYWORD:
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tn = MSG_VAL_DEBUGGER;
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break;
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case jsdIExecutionHook.TYPE_THROW:
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tn = MSG_VAL_THROW;
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break;
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default:
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/* don't print stop/cont messages for other types */
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}
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if (tn)
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display (getMsg(MSN_STOP, tn), MT_STOP);
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display (formatStackFrame(console.currentFrame));
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console.jsds.enterNestedEventLoop();
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/* execution pauses here until someone calls
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* console.dbg.exitNestedEventLoop()
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*/
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if (tn)
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display (getMsg(MSN_CONT, tn), MT_CONT);
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delete console.currentContext;
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delete console.currentThreadState;
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display (MSG_CONT_DEBUGGER, MT_CONT);
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return console.continueCodeStack.pop();
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}
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function initDebugger()
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{
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console.continueCodeStack = new Array();
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delete console.currentFrame;
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delete console.frames;
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/* create the debugger instance */
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console.jsds = Components.classes[JSD_CTRID].getService(jsdIDebuggerService);
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console.jsds.init();
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console.jsds.scriptHook = console.scriptHooker;
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console.jsds.debuggerHook = console.debuggerHooker;
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//dbg.interruptHook = interruptHooker;
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return console.continueCodeStack.pop();
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}
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function detachDebugger()
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@ -111,8 +137,155 @@ function detachDebugger()
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console.jsds.debuggerHook = null;
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}
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console.printCallStack =
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function jsd_pcallstack ()
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function formatProperty (p)
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{
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display ();
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if (!p)
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throw BadMojo (ERR_REQUIRED_PARAM, "p");
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var flags = p.flags;
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var s = "[";
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s += (flags & jsdIProperty.FLAG_ENUMERATE) ? "e" : "-";
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s += (flags & jsdIProperty.FLAG_READONLY) ? "r" : "-";
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s += (flags & jsdIProperty.FLAG_PERMANENT) ? "p" : "-";
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s += (flags & jsdIProperty.FLAG_ALIAS) ? "A" : "-";
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s += (flags & jsdIProperty.FLAG_ARGUMENT) ? "a" : "-";
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s += (flags & jsdIProperty.FLAG_VARIABLE) ? "v" : "-";
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s += (flags & jsdIProperty.FLAG_HINTED) ? "h]" : "-]";
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if (p.name)
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s += " " + p.name.stringValue;
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if (p.value)
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s += " " + formatValue(p.value);
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return s;
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}
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function formatScript (scr)
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{
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if (!scr)
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throw BadMojo (ERR_REQUIRED_PARAM, "scr");
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return MSG_TYPE_FUNCTION + " " + scr.functionName + " in " + scr.fileName;
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}
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function formatStackFrame (f)
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{
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if (!f)
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throw BadMojo (ERR_REQUIRED_PARAM, "f");
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var s = formatScript (f.script);
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s += " " + MSG_TYPE_LINE + " " + f.line;
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return s;
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}
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function formatValue (v)
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{
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if (!v)
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throw BadMojo (ERR_REQUIRED_PARAM, "v");
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var s = "[";
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var value = "";
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if (v.isNative)
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s += MSG_TYPE_NATIVE + " ";
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switch (v.jsType)
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{
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case jsdIValue.TYPE_DOUBLE:
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s += MSG_TYPE_DOUBLE;
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value = v.doubleValue;
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break;
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case jsdIValue.TYPE_INT:
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s += MSG_TYPE_INT;
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value = v.intValue;
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break;
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case jsdIValue.TYPE_FUNCTION:
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s += MSG_TYPE_FUNCTION;
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value = v.jsFunctionName;
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break;
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case jsdIValue.TYPE_NULL:
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s += MSG_TYPE_NULL;
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break;
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case jsdIValue.TYPE_OBJECT:
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s += MSG_TYPE_OBJECT;
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var pcount = new Object();
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value = String(v.propertyCount) + " " + MSG_TYPE_PROPERTIES;
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break;
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case jsdIValue.TYPE_STRING:
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s += MSG_TYPE_STRING;
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value = v.stringValue;
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break;
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case jsdIValue.TYPE_VOID:
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s += MSG_TYPE_VOID;
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break;
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default:
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s += MSG_TYPE_UNKNOWN;
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break;
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}
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/*
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if (v.isPrimitive)
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s += " (" + MSG_TYPE_PRIMITIVE + ")";
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*/
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s += "]";
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if (v.jsClassName)
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s += " [" + MSG_TYPE_CLASS + ": " + v.jsClassName + "]";
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if (value)
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s += " " + value;
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return s;
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}
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function initDebugger()
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{
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console.continueCodeStack = new Array();
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/* create the debugger instance */
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console.jsds = Components.classes[JSD_CTRID].getService(jsdIDebuggerService);
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console.jsds.init();
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//console.jsds.scriptHook = console.scriptHooker;
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console.jsds.debuggerHook = console.debuggerHooker;
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//dbg.interruptHook = interruptHooker;
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}
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function displayCallStack ()
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{
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for (i = 0; i < console.frames.length; ++i)
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displayFrame (console.frames[i], i);
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}
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function displayProperties (v)
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{
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if (!v)
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throw BadMojo (ERR_REQUIRED_PARAM, "v");
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var p = new Object();
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v.getProperties (p, {});
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for (var i in p.value) display(formatProperty (p.value[i]));
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}
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function displayFrame (f, idx)
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{
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if (!f)
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throw BadMojo (ERR_REQUIRED_PARAM, "f");
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if (typeof idx == "undefined")
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{
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for (idx = 0; idx < console.frames.length; ++idx)
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if (f == console.frames[idx])
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break;
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if (idx >= console.frames.length)
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idx = MSG_VAL_UNKNOWN;
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}
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if (typeof idx == "number")
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idx = "#" + idx;
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display(idx + ": " + formatStackFrame (f));
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}
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