BasicCompiler/lexer.l at main · BaseMax/BasicCompiler · GitHub

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%{
#include "semantic.h"
#include "parser.tab.h"
%}

%%

[1-9][0-9]*|0 	{ yylval.val=atoi(yytext); return VALUE;}
"+"				{ return '+';}
"-"				{ return '-';}
"/"             { return '/';}
"*"             { return '*';}
"("     	    { return '(';}
")"   	        { return ')';}
":"   	        { return ':';}
"="   	        { return '=';}
";"   	        { return ';';}
"HOME"          { return HOME;}
"FOR"           { return FOR;}
"TO"            { return TO;}
"IF"            { return IF;}
"THEN"          { return THEN;}
"NEXT"          { return NEXT;}
"GOTO"          { return GOTO;}
"GOSUB"         { return GOSUB;}
"RETURN"        { return RETURN;}
"INPUT"         { return INPUT;}
"LET"           { return LET;}
"PRINT"			{ return PRINT;}
"TEXT"			{ return TEXT;}
"REM"			{ return REM;}
"END"			{ return END;}
\t				{ /* ignorer */ }
\n				{ /* ignorer */ }
\ 				{ /* ignorer */ }

%%