compiler_settings

%{
	int cout_count = 0;
	int header_count = 0;
	int assignment_count = 0;
	int function_count = 0;
%}

headers		#include<
out_command	cout
out_sign	<<
tab_char	\t
new_line	\n
string		[" /new_linetab_char|A-Za-z0-9+_=-]*
operand		[-a-zA-Z0-9]+
numeric		[0-9]+
operator	[+\-*/]
assign_op	->
s_col	;
comma	"
tab_space	[\t]
data_type	[natural|point|sentence|large|symbol|empty]
front_encloser	{
back_encloser	}
given_function	[main]
return		return

%%
{data_type}[ ]+{given_function}	{function_count++;fprintf(yyout, "Main function call");}
[\n]	{fprintf(yyout,"\n");}
{operand}[ ]*{assign_op}[ ]*({operand}|{numeric})[ ]*({operator}[ ]*({operand}|{numeric}))*{s_col}	{assignment_count++;fprintf(yyout,"Assignment operator");}
{headers}{string}[>]	{header_count++;fprintf(yyout,"A Header Included");}
tab_char+	{fprintf(yyout,"%s",yytext);}
{out_command}[ ]*({out_sign}[ ]*{string})*{s_col}	{cout_count++;fprintf(yyout,"Output Command",yytext);}
[{}()#]	{}
{tab_space}+	{fprintf(yyout,"    ");}
[\t]{return}[ ][0-9]{s_col}	{fprintf(yyout, "Returns with %c\n", yytext[8]);}
%%

int yywrap(){
	return 1;
}

int main()
{
  yyin = fopen("m.c", "r");
  yyout = fopen("o.txt","w");
  yylex();
  fprintf(yyout, "\nNumber of cout(s): %d\n",cout_count);
  fprintf(yyout,"\nNumber of header(s): %d\n",header_count);
  fprintf(yyout,"\nNumber of assignment(s): %d\n",assignment_count);
  fprintf(yyout,"\nNumber of function(s): %d\n",function_count);
  fclose(yyin);
  fclose(yyout);
  return 0;
}