%{
extern int yywrap() { return 1; }
%}

%%
[0-9]+                      return NUMBER;
[a-zA-Z][a-zA-Z0-9]*        return ID;
\"[a-zA-Z][a-zA-Z0-9]*\"    return STRING;
"+"                         return PLUS;
"-"                         return MINUS;
"*"                         return MULTIPLY;
"/"                         return DIVIDE;
"%"                         return MOD;
"<"                         return LESS_THAN;
">"                         return GREATER_THAN;
"="                         return EQUAL;
"\""                        return QUOTE;
"!"                         return BANG;
"|"                         return BAR;
"&"                         return AMPERSAND;
"."                         return POINT;
","                         return COMMA;
";"                         return SEMICOLON;
":"                         return COLON;
"?"                         return QUESTION;
"("                         return LEFT_PAREN;
")"                         return RIGHT_PAREN;
"["                         return LEFT_BRACKET;
"]"                         return RIGHT_BRACKET;
"{"                         return LEFT_BRACE;
"}"                         return RIGHT_BRACE;
"//"                        return COMMENT;
"\n"                        return NEWLINE;
[ \t]                       ;
%%