You've already forked langkit-query-language
mirror of
https://github.com/AdaCore/langkit-query-language.git
synced 2026-02-12 13:03:42 -08:00
cb6d40a6f6
Use "|" as a delimiter instead of "or", to make it easier to parse, for humans and for the parser. Also attach the corresponding refactoring script.
23 lines
933 B
Python
23 lines
933 B
Python
import refactor
|
|
import liblkqllang as lkql
|
|
from refactor import Action, ActionKind
|
|
|
|
class App(refactor.Refactor):
|
|
|
|
def preprocess(self, unit):
|
|
for or_pat in unit.root.findall(lkql.OrPattern):
|
|
# Replace 'or' by '|'
|
|
or_tok = refactor.first_with_pred(or_pat.f_left.token_end, lambda t: t.kind == 'Or')
|
|
# Put parens around the OrPattern if needed
|
|
if not or_pat.parent.is_a(lkql.OrPattern, lkql.ParenPattern,
|
|
lkql.NodePatternSelector,
|
|
lkql.NodePatternField,
|
|
lkql.NodePatternProperty):
|
|
self.add_action(or_pat.token_start, Action(ActionKind.prepend, "("))
|
|
self.add_action(or_pat.token_end, Action(ActionKind.append, ")"))
|
|
self.add_action(or_tok, Action(ActionKind.replace, "|"))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
App.run()
|