// An example of using the flex C++ scanner class.

%option C++ noyywrap

%{

int mylineno = 0;

%}

string	\"[^\n"]+\"

ws	[ \t]+

alpha	[A-Za-z]

dig	[0-9]

name	({alpha}|{dig}|\$)({alpha}|{dig}|\_|\.|\-|\/|\$)*

num1	[-+]?{dig}+\.?([eE][-+]?{dig}+)?

num2	[-+]?{dig}*\.{dig}+([eE][-+]?{dig}+)?

number	{num1}|{num2}

%%

{ws}	/* skip blanks and tabs */

"/*"		{

		int c;

		while((c = yyinput()) != 0)

			{

			if(c == '\n')

				++mylineno;

			else if(c == '*')

				{

				if((c = yyinput()) == '/')

					break;

				else

					unput(c);

				}

			}

		}

{number}	std::cout << "number " << YYText() << '\n';

\n		mylineno++;

{name}		std::cout << "name " << YYText() << '\n';

{string}	std::cout << "string " << YYText() << '\n';

%%

int main( int /* argc */, char** /* argv */ )

	{

	FlexLexer* lexer = new yyFlexLexer;

	while(lexer->yylex() != 0)

		;

	return 0;

	}