vern%lbl-pistachio@LBL-RTSG.ARPA (Vern Paxson) (05/06/88)
flex scanners compiled using -f or -F can generate bogus "NULL in input"
messages (and then die). The fix follows.
Vern
rcscat -r1.3 parse.y | diff -c parse.y -
RCS/parse.y,v --> stdout
revision 1.3
*** parse.y Thu May 5 13:36:18 1988
--- /tmp/da1569 Thu May 5 14:43:06 1988
***************
*** 27,48 ****
%%
goal : initlex sect1 sect1end sect2
- { /* add default rule */
- int def_rule;
-
- pat = cclinit();
- cclnegate( pat );
-
- def_rule = mkstate( -pat );
-
- add_accept( def_rule, 0, 0 );
-
- for ( i = 1; i <= lastsc; ++i )
- scset[i] = mkbranch( scset[i], def_rule );
-
- fputs( "YY_DEFAULT_ACTION;\n\tYY_BREAK\n",
- temp_action_file );
- }
;
initlex :
--- 27,32 ----