Implement the method $,$ only make changes after the $//$TODO lineToken LexicalAnalyzer::ScanNumber$()$

$\{$

char c;

input.GetChar$($c$)$;

if $($isdigit$($c$))\{$

if $($c $==\text{'}0\text{'})\{$

tmp$.$lexeme $="0"$;

$\}$ else $\{$

tmp$.$lexeme $=""$;

while $(!$input.EndOfInput$()$ && isdigit$($c$))\{$

tmp$.$lexeme $+=$ c;

input.GetChar$($c$)$;

$\}$

if $(!$input.EndOfInput$())\{$

input.UngetChar$($c$)$;

$\}$

$\}$

$//$ TODO: You can check for REALNUM, BASE$08$NUM and BASE$16$NUM here!

tmp$.$token$\_$type $=$ NUM;

tmp$.$line$\_$no $=$ line$\_$no;

return tmp;

$\}$ else $\{$

if $(!$input.EndOfInput$())\{$

input.UngetChar$($c$)$;

$\}$

tmp$.$lexeme $=""$;

tmp$.$token$\_$type $=$ ERROR;

tmp$.$line$\_$no $=$ line$\_$no;

return tmp;

$\}$

$\}$