lib/sql_tree/parser.rb in sql_tree-0.0.2 vs lib/sql_tree/parser.rb in sql_tree-0.0.3

@@ -1,19 +1,19 @@
 class SQLTree::Parser
-  
+
   class UnexpectedToken < StandardError
-    
+
     attr_reader :expected_token, :actual_token
-    
+
     def initialize(actual_token, expected_token = nil)
       @expected_token, @actual_token = expected_token, actual_token
       message =  "Unexpected token: found #{actual_token.inspect}"
       message << ", but expected #{expected_token.inspect}" if expected_token
       message << '!'
       super(message)
     end
-  end  
+  end
 
   def self.parse(sql_string, options = {})
     self.new(sql_string, options).parse!
   end
 
@@ -29,32 +29,32 @@
   end
 
   def current
     @current_token
   end
-  
+
   def next
     @current_token = @tokens.shift
   end
-  
+
   def consume(*checks)
     checks.each do |check|
       raise UnexpectedToken.new(self.current, check) unless check == self.next
     end
   end
-  
+
   def peek(distance = 1)
     @tokens[distance - 1]
   end
-  
+
   def peek_tokens(amount)
     @tokens[0, amount]
   end
 
   def debug
     puts @tokens.inspect
   end
-  
+
   def parse!
     case self.peek
     when SQLTree::Token::SELECT then SQLTree::Node::SelectQuery.parse(self)
     else raise UnexpectedToken.new(self.peek)
     end