X-Git-Url: http://git.draconx.ca/gitweb/gob-dx.git/blobdiff_plain/2255b3d84eeb947d4c065332f16e410ae4704c63..774037b15064dcc6e4995c0bba3b24abb1bde35f:/src/lexer.l

diff --git a/src/lexer.l b/src/lexer.l
index d80b927..392a636 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -195,6 +195,30 @@ class		{
 			return CLASS;
 		}
 
+^[ \t]*requires[ \t]+[0-9]+\.[0-9]+\.[0-9]+[\t ]*$	{
+			int maj = 0,min = 0,pl = 0;
+			int rmaj = 0,rmin = 0,rpl = 0;
+			char *p;
+			
+			sscanf(VERSION,"%d.%d.%d",&rmaj,&rmin,&rpl);
+			p = strchr(yytext,'r');
+			g_assert(p); /* we MUST have found it */
+			sscanf(p,"requires %d.%d.%d",&maj,&min,&pl);
+			if(rmaj < maj ||
+			   (rmaj == maj && rmin < min) ||
+			   (rmaj == maj && rmin == min && rpl < pl)) {
+				char *s;
+				s = g_strdup_printf(
+				    "GOB version %d.%d.%d required "
+				    "(this is %s)\n"
+				    "To upgrade your gob, see: "
+				    "http://www.5z.com/jirka/gob.html",
+				    maj,min,pl,VERSION);
+				print_error(FALSE,s, line_no);
+				g_free(s);
+			}
+		}
+
 <CLASS_CODE,CLASS_CODE_I>class|this	{
 			if(for_cpp) {
 				char *s;