819b096cbb
ysyx_22040000 李心杨 Linux calcite 6.1.71 #1-NixOS SMP PREEMPT_DYNAMIC Fri Jan 5 14:18:41 UTC 2024 x86_64 GNU/Linux 22:57:06 up 2 days 11:51, 2 users, load average: 0.57, 0.38, 0.37
16 lines
507 B
Text
16 lines
507 B
Text
%{
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#include <isa.h>
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#include <addrexp.h>
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static bool success = false;
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%}
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%option noyywrap
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%%
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$[a-zA-Z]{2,3} { yylval = isa_reg_str2val(yytext + 1, &success); if(!success) { return YYerror; } }
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0[xX][0-9a-fA-F]+ { yylval = strtoul(yytext, NULL, 16); return HEX_NUMBER; }
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[0-9]+ { yylval = strtoul(yytext, NULL, 10); return NUMBER; }
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[+\-*/()] { return *yytext; }
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[ \t] { }
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. { printf("Unexpected character: %s\n", yytext); return YYerror; }
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%%
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