lib/dentaku/tokenizer.rb in dentaku-2.0.8 vs lib/dentaku/tokenizer.rb in dentaku-2.0.9

@@ -11,17 +11,17 @@
       @nesting = 0
       @tokens  = []
       input    = strip_comments(string.to_s.dup)
 
       until input.empty?
-        raise "parse error at: '#{ input }'" unless TokenScanner.scanners.any? do |scanner|
+        fail TokenizerError, "parse error at: '#{ input }'" unless TokenScanner.scanners.any? do |scanner|
           scanned, input = scan(input, scanner)
           scanned
         end
       end
 
-      raise "too many opening parentheses" if @nesting > 0
+      fail TokenizerError, "too many opening parentheses" if @nesting > 0
 
       @tokens
     end
 
     def last_token
@@ -29,14 +29,14 @@
     end
 
     def scan(string, scanner)
       if tokens = scanner.scan(string, last_token)
         tokens.each do |token|
-          raise "unexpected zero-width match (:#{ token.category }) at '#{ string }'" if token.length == 0
+          fail TokenizerError, "unexpected zero-width match (:#{ token.category }) at '#{ string }'" if token.length == 0
 
           @nesting += 1 if LPAREN == token
           @nesting -= 1 if RPAREN == token
-          raise "too many closing parentheses" if @nesting < 0
+          fail TokenizerError, "too many closing parentheses" if @nesting < 0
 
           @tokens << token unless token.is?(:whitespace)
         end
 
         match_length = tokens.map(&:length).reduce(:+)