Add type option to FORTRAN select statements

src/fortrancode.l

@@ -695,7 +695,7 @@ ATTR_SPEC (IMPLICIT|ALLOCATABLE|DIMENSION{ARGS}|EXTERNAL|{INTENT_SPEC}|INTRINSIC
 ACCESS_SPEC (PROTECTED|PRIVATE|PUBLIC)
 /* Assume that attribute statements are almost the same as attributes. */
 ATTR_STMT {ATTR_SPEC}|DIMENSION
-FLOW  (DO|SELECT|CASE|SELECTCASE|WHERE|IF|THEN|ELSE|WHILE|FORALL|ELSEWHERE|ELSEIF|RETURN|CONTINUE|EXIT)
+FLOW  (DO|SELECT|CASE|SELECT{BS}(CASE|TYPE)|WHERE|IF|THEN|ELSE|WHILE|FORALL|ELSEWHERE|ELSEIF|RETURN|CONTINUE|EXIT)
 COMMANDS  (FORMAT|CONTAINS|MODULE{BS_}PROCEDURE|WRITE|READ|ALLOCATE|ALLOCATED|ASSOCIATED|DEALLOCATE|SIZE|INQUIRE|OPEN|CLOSE|DATA|COMMON)
 IGNORE (CALL)
 PREFIX    (RECURSIVE{BS_}|IMPURE{BS_}|PURE{BS_}|ELEMENTAL{BS_}){0,3}(RECURSIVE|IMPURE|PURE|ELEMENTAL)?
@@ -749,6 +749,11 @@ PREFIX    (RECURSIVE{BS_}|IMPURE{BS_}|PURE{BS_}|ELEMENTAL{BS_}){0,3}(RECURSIVE|I
   					  codifyLines(yytext);
 					  endFontClass();
 					}
+<Start>^{BS}(CASE|CLASS|TYPE){BS_}(IS|DEFAULT) {
+              startFontClass("keywordflow");
+              codifyLines(yytext);
+            endFontClass();
+          }
 <Start>"end"({BS}{FLOW})?/[ \t\n]       { // list is a bit long as not all have possible end
   					  startFontClass("keywordflow");
   					  codifyLines(yytext);