Ruby ffast
From wikinotes
A library and cli tool for searching/matching nodes within ruby's AST.
Documentation
github https://github.com/jonatas/fast
Install
gem install ffast
Usage
fast --ast some/file.rb # show ast fast '(const _ _)' some/file.rb # find matching in some/file.rbsample patterns
# an object 'Foo' initialized with the keyword-argument 'two' '(send (const {nil _} :Foo) :new (hash ... (pair (sym :two)) ))' Foo.new(one: "abc", two: "def", three: "ghi")