X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2FSDCC.lex;h=0fc43d00445ed1bd3f5881bb047b091f04423282;hb=bb226788dab3832b0ec0cda70874ce3fce4eebc6;hp=6567003c575dfd329e9cfdadf1736369e48975de;hpb=d5a894fa00d4da47d6f7110282dd16e49d872350;p=fw%2Fsdcc

diff --git a/src/SDCC.lex b/src/SDCC.lex
index 6567003c..0fc43d00 100644
--- a/src/SDCC.lex
+++ b/src/SDCC.lex
@@ -22,6 +22,7 @@
   what you give them.   Help stamp out software-hoarding!
 -------------------------------------------------------------------------*/
 
+B       [0-1]
 D       [0-9]
 L       [a-zA-Z_$]
 H       [a-fA-F0-9]
@@ -199,6 +200,15 @@ _?"_asm"         {
   count();
   return(check_type());
 }
+0[bB]{B}+{IS}? {
+  if (!options.std_sdcc)
+    {
+      yyerror("binary (0b) constants are not allowed in ISO C");
+    }
+  count();
+  yylval.val = constVal(yytext);
+  return(CONSTANT);
+}
 0[xX]{H}+{IS}? { count(); yylval.val = constVal(yytext); return(CONSTANT); }
 0[0-7]*{IS}?     { count(); yylval.val = constVal(yytext); return(CONSTANT); }
 [1-9]{D}*{IS}?      { count(); yylval.val = constVal(yytext); return(CONSTANT); }