RCONST: $(23\mathrm{.}5)$

SCONST: "Please type the coordinates of three points"

RCONST: $(15\mathrm{.}25)$

ICONST: $(4321)$

RCONST: $(\mathrm{.}725)$

SCONST: "The center of the circle through these points is$"$

ICONST: $(625)$

Lines: $5$

Total Tokens: $12$

Identifiers: $0$

Integers: $2$

Reals: $3$

Strings: $2$

INTEGERS:

$4321,625,$

REALS:

$23\mathrm{.}5,15\mathrm{.}25,\mathrm{.}725,$

STRINGS:

Please type the coordinates of three points, The center of the circle through these points is$,$ This is the output i$\text{'}$m getting. The output i want is this:RCONST: $(23\mathrm{.}5)$

SCONST: "Please type the coordinates of three points"

RCONST: $(15\mathrm{.}25)$

ICONST: $(125)$

ICONST: $(4321)$

RCONST: $(\mathrm{.}725)$

SCONST: "The center of the circle through these points is$"$

ICONST: $(625)$

Lines: $5$

Total Tokens: $8$

Identifiers: $0$

Integers: $3$

Reals: $3$

Strings: $2$

INTEGERS:

$125,625,4321$

REALS:

$0\mathrm{.}725,15\mathrm{.}25,23\mathrm{.}5$

STRINGS:

"Please type the coordinates of three points", "The center of the circle through these points is$"$ and this is the file contents: $23\mathrm{.}5$ "Please type the coordinates of three points"

$15\mathrm{.}25125$

$4321\mathrm{.}725$ 'The center of the circle through these points is$\text{'}$

$625$ It's not reading integer $125$ and it's giving me blank tokens Can you check my function.: this is my code: LexItem getNextToken$($istream & in$,$ int & linenum$)$

$\{$

enum TokState$\{$START$,$ INID $,$ ININT $,$ INSTRING, INCOMMENT, REAL$\}$ ;

TokState lexstate $=$ START ;

string lexeme;

bool escaped$=$ false;

char ch;

Token tok$=$ ERR;

while$($in$.$get$($ch$))$

$\{$

switch$($lexstate$)$

$\{$

case START:

if$($ch$==\text{'}$

$\text{'})$

$\{$

linenum$++$;

$\}$

if$($isspace$($ch$))$

$\{$

continue;

$\}$

lexeme$=$ch;

if$($isalpha$($ch$)||$ ch$==\text{'}\_\text{'})$

$\{$

lexstate$=$INID;

$\}$

else if $($isdigit$($ch$))$

$\{$

lexstate$=$ININT;

$\}$

else if $($ch $==\text{'}.\text{'})$

$\{$

auto s $=$ in$.$peek$()$;

if $($isdigit$($s$))$

$\{$

lexstate$=$REAL;

continue;

$\}$

else

$\{$

lexeme $+=$ s;

return LexItem$($ERR$,$ lexeme, linenum$)$;

$\}$

$\}$

else if $($ch $==\text{'}\backslash \text{'}\text{'}||$ ch $==\text{'}"\text{'})$

$\{$

escaped$=$false;

lexstate$=$INSTRING;

continue;

$\}$

else if $($ch$==\text{'}!\text{'}$ && in$.$peek$()!=$EOF && in$.$peek$()==\text{'}!\text{'})$

$\{$

lexstate$=$INCOMMENT;

$\}$

else

$\{$

tok$=$ERR;

switch $($ch$)$

$\{$

case $\text{'}+\text{'}$:

tok$=$ PLUS;

break;

case $\text{'}-\text{'}$:

tok $=$ MINUS;

break;

case $\text{'}*\text{'}$:

tok$=$MULT;

break;

case $\text{'}/\text{'}$:

tok$=$DIV;

break;

case $\text{'}=\text{'}$:

tok$=$ASSOP;

break;

case EQ:

if $($lexeme $=="==")$

$\{$

tok $=$ EQ;

$\}$

break;

case POW:

if $($lexeme$=="**")$

$\{$

tok$=$POW;

$\}$

break;

case $\text{'}>\text{'}$:

tok$=$GTHAN;

break;

case $\text{'}<\text{'}$:

tok$=$LTHAN;

break;

case CAT:

if $($lexeme$=="//")$

$\{$

tok$=$CAT;

$\}$

break;

case $\text{'},\text{'}$:

tok$=$COMMA;

break;

case $\text{'}(\text{'}$:

tok$=$LPAREN;

if $($in$.$peek$()==\text{'}*\text{'})$

$\{$

lexstate$=$ INCOMMENT;

continue;

$\}$

break;

case $\text{'})\text{'}$:

tok$=$ RPAREN;

break;

case $\text{'}.\text{'}$:

tok $=$ DOT;

break;

case DCOLON: