Merge pull request #80 from Maumagnaguagno/token_scanner-next

Minimize current_token calls in Lrama::Parser::TokenScanner
ruby · Aug 12, 2023 · 575fd0c · 575fd0c
2 parents 4fb4f94 + 4cf8b51
commit 575fd0c
Showing 1 changed file with 3 additions and 6 deletions.
diff --git a/lib/lrama/parser/token_scanner.rb b/lib/lrama/parser/token_scanner.rb
@@ -11,7 +11,7 @@ def current_token
       end
 
       def current_type
-        current_token && current_token.type
+        current_token&.type
       end
 
       def previous_token
@@ -26,9 +26,7 @@ def next
 
       def consume(*token_types)
         if token_types.include?(current_type)
-          token = current_token
-          self.next
-          return token
+          return self.next
         end
 
         return nil
@@ -42,8 +40,7 @@ def consume_multi(*token_types)
         a = []
 
         while token_types.include?(current_type)
-          a << current_token
-          self.next
+          a << self.next
         end
 
         raise "No token is consumed. #{token_types}" if a.empty?