nsIXPCException

Method overview

Methods

initialize()

void initialize(
  in string aMessage,
  in nsresult aResult,
  in string aName,
  in nsIStackFrame aLocation,
  in nsISupports aData,
  in nsIException aInner
);

Parameters

aMessage

aResult

aName

aLocation

aData

aInner

xpcexJSVal stealJSVal();

Parameters

None.

Return value

void stowJSVal(
  in xpcexJSContextPtr cx,
  in xpcexJSVal val
);

Parameters

cx

val

Remarks

Components.Exception is a JavaScript constructor to create nsIXPCException objects. The call signature of the constructor is:

Components.Exception(message, result, stack, data, inner)

all parameters are optional and the appropriate placeholder is 'unknown'.

• message - A custom message set by the thrower (defaults to 'exception')
• result - The nsresult associated with this exception (defaults to Components.results.NS_ERROR_FAILURE)
• stack - The stack chain (defaults to the current stack)
• data - additional data object of your choice (defaults to null)
• inner - An inner exception that triggered this, if available