adds basic math operators, thanks to kasper associative and prioritised

2014-05-10 21:41:46 +03:00
parent 6378209f33
commit 2d389d2e00
7 changed files with 108 additions and 5 deletions
--- a/lib/parser/tokens.rb
+++ b/lib/parser/tokens.rb
@@ -12,7 +12,10 @@ module Parser
    rule(:comma)  { str(',') >> space? }
    rule(:colon)  { str(':') >> space? }
    rule(:semicolon)  { str(';') >> space? }
-    rule(:question_mark)  { str('?') >> space? }    
-    rule(:excamation_mark)  { str('!') >> space? }    
+    rule(:question_mark)  { str('?') >> space? }
+    rule(:excamation_mark)  { str('!') >> space? }  
+
+    rule(:multiply) { match['*/']  >> space? }
+    rule(:plus) { match['+-']  >> space? }
  end
 end