mirror of
https://github.com/rdolbeau/VexRiscvBPluginGenerator.git
synced 2025-04-18 18:44:42 -04:00
48 lines
1.3 KiB
Text
48 lines
1.3 KiB
Text
%{
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/*
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* Copyright (c) 2020 Romain Dolbeau <romain.dolbeau@european-processor-initiative.eu>
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* MIT License
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* See the LICENSE file at the top level of this software distribution for details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "inst_par.h"
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%}
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CHAR [[:alnum:] ,'&./()-]
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FCHARNAME [[:alpha:]]
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CHARNAME [[:alnum:]_+-]
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SPACE [ \t]
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%%
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^"I" { return INST; }
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^"S" { return SEM; }
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^"T" { return MEMSEM; }
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^"P" { return PROL; }
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^"E" { return EXTRA; }
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"//".* { }
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{FCHARNAME}{CHARNAME}{CHARNAME}* { yylval.string = strdup(yytext); return NAME; }
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{CHARNAME}{32} { yylval.string = strdup(yytext); return NAME; }
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"\"\"\""[^ù]*"\"\"\"" { yylval.string = strndup(yytext+3, strlen(yytext)-6); return STRING; }
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"'''"[^ù]*"'''" { yylval.string = strndup(yytext+3, strlen(yytext)-6); return STRING; }
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"\"".*"\"" { yylval.string = strndup(yytext+1, strlen(yytext)-2); return STRING; }
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[0-9][0-9]* { yylval.num = atoi(yytext); return NUM; }
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\n { return yytext[0]; }
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{SPACE}+ { }
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%%
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