add rules for lexer

specification.rex

@@ -1,9 +1,27 @@
 class Query
 macro
+    L_BRACKET                       \(
+    R_BRACKET                       \)
+    SPACE                           \ +     # Space char
+    OPERATOR_OR                     (?i)or
+    OPERATOR_AND                    (?i)and
+    OPERATOR_NOT                    (?i)not
+    TERM_WITH_QUOTES                "([^"]*)"
+    TERM_WITHOUT_QUOTES             [a-zA-Z0-9-_|]+
+    COLON                           \:
+
 
 
 rule
-    .
+    {SPACE}                         # No action
+    {L_BRACKET}                     { return [:L_BRACKET, text] }
+    {R_BRACKET}                     { return [:R_BRACKET, text] }
+    {OPERATOR_OR}                   { return [:OPERATOR_OR, text] }
+    {OPERATOR_AND}                  { return [:OPERATOR_AND, text] }
+    {OPERATOR_NOT}                  { return [:OPERATOR_NOT, text] }
+    {TERM_WITH_QUOTES}              { return [:TERM_WITH_QUOTES, text] }
+    {TERM_WITHOUT_QUOTES}           { return [:TERM_WITHOUT_QUOTES, text] }
+    {COLON}                         { return [:COLON, text] }
 
 inner
   def tokenize(code)