Lrama v0.5.10

1 files changed, 20 insertions, 0 deletions

diff --git a/tool/lrama/lib/lrama/grammar/parameterizing_rules/builder/nonempty_list.rb b/tool/lrama/lib/lrama/grammar/parameterizing_rules/builder/nonempty_list.rb
new file mode 100644
index 0000000000..142d6c156b
--- /dev/null
+++ b/tool/lrama/lib/lrama/grammar/parameterizing_rules/builder/nonempty_list.rb
@@ -0,0 +1,20 @@
+module Lrama
+  class Grammar
+    class ParameterizingRules
+      class Builder
+        class NonemptyList < Base
+          def build
+            validate_argument_number!
+
+            rules = []
+            nonempty_list_token = Lrama::Lexer::Token::Ident.new(s_value: "nonempty_list_#{@token.s_value}")
+            rules << Rule.new(id: @rule_counter.increment, _lhs: @lhs, _rhs: [nonempty_list_token], token_code: @user_code, precedence_sym: @precedence_sym, lineno: @line)
+            rules << Rule.new(id: @rule_counter.increment, _lhs: nonempty_list_token, _rhs: [@token], token_code: @user_code, precedence_sym: @precedence_sym, lineno: @line)
+            rules << Rule.new(id: @rule_counter.increment, _lhs: nonempty_list_token, _rhs: [nonempty_list_token, @token], token_code: @user_code, precedence_sym: @precedence_sym, lineno: @line)
+            rules
+          end
+        end
+      end
+    end
+  end
+end