diff options
Diffstat (limited to 'tool/lrama/lib/lrama/grammar/reference.rb')
| -rw-r--r-- | tool/lrama/lib/lrama/grammar/reference.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tool/lrama/lib/lrama/grammar/reference.rb b/tool/lrama/lib/lrama/grammar/reference.rb new file mode 100644 index 0000000000..c56e7673a6 --- /dev/null +++ b/tool/lrama/lib/lrama/grammar/reference.rb @@ -0,0 +1,14 @@ +module Lrama + class Grammar + # type: :dollar or :at + # name: String (e.g. $$, $foo, $expr.right) + # number: Integer (e.g. $1) + # index: Integer + # ex_tag: "$<tag>1" (Optional) + class Reference < Struct.new(:type, :name, :number, :index, :ex_tag, :first_column, :last_column, keyword_init: true) + def value + name || number + end + end + end +end |