+ | '"' { let str = qstr string_token lexbuf in
+ out ("STR " ^ str); STR str }
+ | '(' { out "LP"; LP }
+ | ')' { out "RP"; RP }
+ | '{' { out "LC"; LC }
+ | '}' { out "RC"; RC }
+ | '@' { out "AT"; AT }
+ | '%' { out "PC"; PC }
+ | '$' { out "DL"; DL }
+ | '.' { out "FS"; FS }
+ | ',' { out "CM"; CM }
+ | ';' { out "SC"; SC }
+ | '/' { out "SL"; SL }
+ | "add" { out "ADD" ; ADD }
+ | "align" { out "ALIGN" ; ALIGN }
+ | "allbut" { out "BUT" ; BUT }
+ | "and" { out "AND" ; AND }
+ | "as" { out "AS" ; AS }
+ | "attr" { out "ATTR" ; ATTR }
+ | "be" { out "BE" ; BE }
+ | "count" { out "COUNT" ; COUNT }
+ | "diff" { out "DIFF" ; DIFF }
+ | "distr" { out "DISTR" ; DISTR }
+ | "else" { out "ELSE" ; ELSE }
+ | "empty" { out "EMPTY" ; EMPTY }
+ | "eq" { out "EQ" ; EQ }
+ | "ex" { out "EX" ; EX }
+ | "false" { out "FALSE" ; FALSE }
+ | "for" { out "FOR" ; FOR }
+ | "from" { out "FROM" ; FROM }
+ | "if" { out "IF" ; IF }
+ | "in" { out "IN" ; IN }
+ | "inf" { out "INF" ; INF }
+ | "intersect" { out "INTER" ; INTER }
+ | "inverse" { out "INV" ; INV }
+ | "istrue" { out "IST" ; IST }
+ | "isfalse" { out "ISF" ; ISF }
+ | "keep" { out "KEEP" ; KEEP }
+ | "le" { out "LE" ; LE }
+ | "let" { out "LET" ; LET }
+ | "log" { out "LOG" ; LOG }
+ | "lt" { out "LT" ; LT }
+ | "main" { out "MAIN" ; MAIN }
+ | "match" { out "MATCH" ; MATCH }
+ | "meet" { out "MEET" ; MEET }
+ | "not" { out "NOT" ; NOT }
+ | "of" { out "OF" ; OF }
+ | "or" { out "OR" ; OR }
+ | "pattern" { out "PAT" ; PAT }
+ | "proj" { out "PROJ" ; PROJ }
+ | "property" { out "PROP" ; PROP }
+ | "select" { out "SELECT"; SELECT }
+ | "source" { out "SOURCE"; SOURCE }
+ | "stat" { out "STAT" ; STAT }
+ | "sub" { out "SUB" ; SUB }
+ | "subj" { out "SUBJ" ; SUBJ }
+ | "sup" { out "SUP" ; SUP }
+ | "super" { out "SUPER" ; SUPER }
+ | "then" { out "THEN" ; THEN }
+ | "true" { out "TRUE" ; TRUE }
+ | "union" { out "UNION" ; UNION }
+ | "where" { out "WHERE" ; WHERE }
+ | "xor" { out "XOR" ; XOR }
+ | IDEN { let id = Lexing.lexeme lexbuf in
+ out ("ID " ^ id); ID id }
+ | eof { out "EOF" ; EOF }