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Support C-style comments in read data file.

This commit is contained in:
steve 2003-02-09 05:07:06 +00:00
parent e571dd90d8
commit 929f0f5f00
1 changed files with 13 additions and 4 deletions
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17
vpi/sys_readmem_lex.lex
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@ -19,28 +19,37 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: sys_readmem_lex.lex,v 1.6 2002/02/06 04:49:24 steve Exp $"
#ident "$Id: sys_readmem_lex.lex,v 1.7 2003/02/09 05:07:06 steve Exp $"
#endif
# include "sys_readmem_lex.h"
# include <string.h>
static void make_addr();
static void make_hex_value();
static void make_bin_value();
static int save_state;
%}
%x BIN
%x HEX
%x CCOMMENT
%option noyywrap
%%
<*>"//".* { ; }
<*>[ \t\f\n\r] { ; }
<HEX,BIN>"//".* { ; }
<HEX,BIN>[ \t\f\n\r] { ; }
<*>@[0-9a-fA-F]+ { make_addr(); return MEM_ADDRESS; }
<HEX,BIN>@[0-9a-fA-F]+ { make_addr(); return MEM_ADDRESS; }
<HEX>[0-9a-fA-FxXzZ_]+ { make_hex_value(); return MEM_WORD; }
<BIN>[01xXzZ_]+ { make_bin_value(); return MEM_WORD; }
<HEX,BIN>"/*" { save_state = YY_START; BEGIN(CCOMMENT); }
<CCOMMENT>[^*]* { ; }
<CCOMMENT>"*" { ; }
<CCOMMENT>"*"+"/" { BEGIN(save_state); }
%%
static unsigned word_width = 0;
static struct t_vpi_vecval*vecval = 0;