
xref(+File, +Options)

   Display a call graph for a source module file

Arguments
   File                Name of the source file (atom or string)
   Options             A list of Option:Value structures

Type
   library(xref)

Description

    Computes a call graph for the given source file and displays it.
    The possible options are:

    builtins ('off' or 'on')
	selects whether to show built-in predicates or not. Default: off.
    output ('text', 'graphviz', graphviz(Options), 'daVinci' or file(File))
	selects how to show the results. 'text' is a for a simple textual
	listing on the output stream, file(File) writes text output into
	the specified file, 'daVinci' uses the daVinci graph drawing library,
	'graphviz' uses the graphviz graph drawing library. Default: text.
    relation ('calls' or 'called_by')
	selects whether to print the 'calls' relation or it inverse,
	the 'called_by' relation. Default: calls.

    

Modules
   This predicate is sensitive to its module context (tool predicate, see @/2).

See Also
   call_graph / 3
