From 68043b21a2fdf09d91996977d5408e92a23fe3e8 Mon Sep 17 00:00:00 2001 From: Ulf Magnusson Date: Wed, 13 Jun 2018 01:33:15 +0200 Subject: Add MenuNode function that returns referenced items MenuNode.referenced() returns all symbols (and choices, for choice symbols) referenced in the properties (prompt, defaults, selects, ranges, etc.) and property conditions of the menu node. Handy e.g. when generating cross-references. --- kconfiglib.py | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'kconfiglib.py') diff --git a/kconfiglib.py b/kconfiglib.py index 56f9efa..6abb4e6 100644 --- a/kconfiglib.py +++ b/kconfiglib.py @@ -4150,6 +4150,45 @@ class MenuNode(object): "ranges" ) + def referenced(self): + """ + Returns a set() of all symbols and choices referenced in the properties + and property conditions of this menu node. + + Also includes dependencies inherited from surrounding menus and if's. + Choices appear in the dependencies of choice symbols. + """ + res = set() + + if self.prompt: + res |= expr_items(self.prompt[1]) + + if self.item == MENU: + res |= expr_items(self.visibility) + + for value, cond in self.defaults: + res |= expr_items(value) + res |= expr_items(cond) + + for value, cond in self.selects: + res.add(value) + res |= expr_items(cond) + + for value, cond in self.implies: + res.add(value) + res |= expr_items(cond) + + for low, high, cond in self.ranges: + res.add(low) + res.add(high) + res |= expr_items(cond) + + # Need this to catch dependencies from a lone 'depends on' when there + # are no properties to propagate it to + res |= expr_items(self.dep) + + return res + def __repr__(self): """ Returns a string with information about the menu node when it is -- cgit v1.2.3