%{

#pragma warning(disable: 4005)

#include <string>

#include "comments.yy.hpp"

#define YY_USER_ACTION loc.columns(yyleng);

#define YY_DECL yy_comments::parser::symbol_type yylex(yyscan_t yyscanner, yy_comments::location &loc)

#define MAKE(x) yy_comments::parser::make_ ## x(loc)

#define MAKE_VALUE(x, v) yy_comments::parser::make_ ## x((v), loc)

std::string comment;

%}

%option nounistd

%option yylineno

%option nounput

%option batch

%option never-interactive

%option reentrant

%option noyywrap

%option prefix="ll_comments"

%x COMMENT

%%

%{

// Code run each time yylex is called.

loc.step();

%}

#.*/\n ; // ignore comments

[ \t]+ loc.step();

\r loc.step();

\n {

loc.lines(yyleng);

loc.step();

}

\/\/.* ;

<INITIAL>"/*" { BEGIN(COMMENT); comment.clear(); }

<COMMENT>[^*\n]* |

<COMMENT>"*"+[^*/\n]* |

<COMMENT>\n comment += yytext;

<COMMENT>"*"+"/" { BEGIN(INITIAL); return MAKE_VALUE(STRING, comment);}

. { /*driver.error(loc, "invalid character");*/ return MAKE(ERROR_SYMBOL); }

<<EOF>> return MAKE(EOQ);

%%