+error { return ERROR; }
+enum { return ENUM; }
+flags { return FLAGS; }
+
+^[ \t]*requires[ \t]+[0-9]+\.[0-9]+\.[0-9]+[\t ]*$ {
+ int maj = 0, min = 0, pl = 0;
+ int rmaj = 0, rmin = 0, rpl = 0;
+ int effective_maj = 0;
+ int effective_rmaj = 0;
+ char *p;
+
+ sscanf (VERSION, "%d.%d.%d", &rmaj, &rmin, &rpl);
+ effective_rmaj = rmaj;
+ if (rmin >= 90)
+ effective_rmaj = rmaj + 1;
+
+ p = strchr (yytext,'r');
+ g_assert (p); /* we MUST have found it */
+ sscanf (p, "requires %d.%d.%d", &maj, &min, &pl);
+ effective_maj = maj;
+ if (min >= 90)
+ effective_maj = maj + 1;
+
+ if(rmaj < maj ||
+ (rmaj == maj && rmin < min) ||
+ (rmaj == maj && rmin == min && rpl < pl)) {
+ error_printf (GOB_ERROR, line_no,
+ "GOB version at least %d.%d.%d required "
+ "(this is %s)\n"
+ "To upgrade your gob, see: "
+ "http://www.5z.com/jirka/gob.html",
+ maj, min, pl, VERSION);
+ }
+
+ if(effective_rmaj != effective_maj) {
+ error_printf(GOB_ERROR, line_no,
+ "GOB major version %d required "
+ "(this is %s)\n"
+ "To upgrade your gob, see: "
+ "http://www.5z.com/jirka/gob.html",
+ effective_maj, VERSION);
+ }
+
+ }
+
+<CLASS_CODE,CLASS_CODE_I>class|this {
+ if(for_cpp) {
+ error_printf(GOB_WARN, line_no,
+ "'%s' keyword should not "
+ "be used when generating "
+ "C++ code", yytext);
+ }
+ REJECT;
+ }
+