calc_grammar.rb in rley-0.8.00

- old
+ new

@@ -3,21 +3,22 @@
 # Grammar for simple arithmetical expressions
 require 'rley' # Load the gem
 
 ########################################
 # Define a grammar for basic arithmetical expressions
-builder = Rley::Syntax::GrammarBuilder.new do
+builder = Rley::grammar_builder do
   add_terminals('NUMBER')
   add_terminals('LPAREN', 'RPAREN') # For '(', ')' delimiters
   add_terminals('PLUS', 'MINUS') # For '+', '-' operators
   add_terminals('STAR', 'DIVIDE') # For '*', '/' operators
+
   rule 'expression' => 'simple_expression'
   rule 'simple_expression' => 'term'
-  rule 'simple_expression' => %w[simple_expression add_operator term]
+  rule 'simple_expression' => 'simple_expression add_operator term'
   rule 'term' => 'factor'
-  rule 'term' => %w[term mul_operator factor]
+  rule 'term' => 'term mul_operator factor'
   rule 'factor' => 'NUMBER'
-  rule 'factor' => %w[LPAREN expression RPAREN]
+  rule 'factor' => 'LPAREN expression RPAREN'
   rule 'add_operator' => 'PLUS'
   rule 'add_operator' => 'MINUS'
   rule 'mul_operator' => 'STAR'
   rule 'mul_operator' => 'DIVIDE'
 end