Reserve double-underscore identifiers for internal use

2023-03-13 14:12:12 -04:00 · 2023-03-13 14:12:12 -04:00 · d10e982fc8
commit d10e982fc8
parent 64974cc1e2
1 changed files with 2 additions and 1 deletions
--- a/lib/propane/grammar.rb
+++ b/lib/propane/grammar.rb
@ -2,7 +2,8 @@ class Propane

  class Grammar

-    IDENTIFIER_REGEX = /[a-zA-Z_][a-zA-Z_0-9]*/
+    # Reserve identifiers beginning with a double-underscore for internal use.
+    IDENTIFIER_REGEX = /(?:[a-zA-Z]|_[a-zA-Z0-9])[a-zA-Z_0-9]*/

    attr_reader :classname
    attr_reader :modulename