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Allow hex numbers to begin with 0x or $ prefix in scanner

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Hugo Villeneuve
2014-02-06 23:00:10 -05:00
parent 7c267c5882
commit f2f9b967b4
1 changed files with 10 additions and 1 deletions
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11
src/cli/scanner.l
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@@ -5,8 +5,17 @@
#include "parser.h"
#include "hexfile.h"
%}
digit [0-9]
alpha [a-fA-F]
hextail ({digit}|{alpha}){1,8}
hex1 0[xX]{hextail}
hex2 ${hextail}
%%
[0-9]+ { yylval.number = asciihex2int(yytext); return NUMBER; }
{hex1} { yylval.number = asciihex2int(yytext); return NUMBER; }
{hex2} { yylval.number = asciihex2int(&yytext[1]); return NUMBER; }
[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
[h?] return TOK_HELP;
sb return TOK_SB;
rb return TOK_RB;