nsIStackFrame 编辑

xpcom/base/nsIException.idlScriptable Please add a summary to this article. Inherits from: nsISupports Last changed in Gecko 1.7

Method overview

string toString();

Attribute	Type	Description
`caller`	`nsIStackFrame`	Read only.
`filename`	`string`	Filename location. This is the location that caused the error, which may or may not be a source file location. For example, standard language errors would generally have the same location as their top stack entry. File parsers may put the location of the file they were parsing, and so forth. `null` indicates "no data" Read only.
`language`	`PRUint32`	See `nsIProgrammingLanguage` for a list of language constants. Read only.
`languageName`	`string`	See `nsIProgrammingLanguage` for a list of language constants. Read only.
`lineNumber`	`PRInt32`	Valid line numbers begin at '1'. '0' indicates unknown. Read only.
`name`	`string`	The name of the function at this point in the stack. Read only.
`sourceLine`	`string`	The location of this function in filename Read only.

To output the stack at a particular location:

var s = Components.stack;
while(s) {
  console.log(s.name);
  s = s.caller;
}

A generic formatter - make it suitable to print, and so forth.

string toString();

None.

A string suitable for output.