Symbol Table & Syntax Analyzer

#include<bits/stdc++.h>
using namespace std;

///To store the data of Symbol Table using structure
struct symbol{
    string variable;
    string type;
    int index_number;
}arr[100];  ///for several input

///To print the Symbol Table
void display_symbol_table(int n)
{
    cout << "Index\t\tVariable Name\tVariable Type\n";

    for(int i=0;i<n;i++)
        cout << arr[i].index_number << "\t\t" << arr[i].variable << "\t\t" << arr[i].type << endl;
}

///For indexing & insert the variable name & type
void insert_in_symbol_table(string t, int n)
{
    string vname = "", vtype = "";

    for(int i=0;i<t.size();i++){
        if(t[i] == ' ')
            break;
        else
            vtype += t[i];
    }

    for(int i=vtype.size()+1;i<t.size();i++){
        if(t[i] == ' ')
            break;
        else
            vname += t[i];
    }

    arr[n].index_number = n;
    arr[n].variable = vname;
    arr[n].type = vtype;
}

void symbol_table()
{
    int index = 0;
    cout << "Input for Symbol Table: ";
    string s;
    getline(cin, s);

    string t = "";
    for(int i=0; i<s.size()+1; i++){
        if(s[i] == ';'){
            insert_in_symbol_table(t, index);   ///using ';' differ one from another
            i++;
            index++;
            t = "";
        }
        else
            t += s[i];
    }

    display_symbol_table(index);
}

void to_print(string t, int n)
{
    bool ok = true;
    for(int i=0;i<10;i++){
        if(arr[i].variable == t){
            cout << "<id, " << arr[i].index_number << ">";
            ok = false;
        }
    }
    if(ok)
        cout << "<" << t << ">";

    if(n)
        cout << ", ";
}

void display_laxical_analyzing(string t, int n)
{
    cout << "For Statement " << n << ": ";

    int cnt = 0;
    for(int i=0;i<t.size();i++){
        if(t[i] == ' ')
            cnt++;
    }

    string tt = "";
    for(int ii=0; ii<t.size(); ii++){
        if(t[ii] == ' '){
            to_print(tt, cnt);
            cnt--;
            tt = "";
        }
        else
            tt += t[ii];
    }
    ///for the last part every statement
    to_print(tt, cnt);

    cout << endl;

}

void lexical_analyzing()
{
    cout << "\n\nInput for Lexical Analyzing: ";
    string s;
    getline(cin, s);
    string t = "";
    int statement_no = 1;
    for(int i=0; i<s.size()+1; i++){
        if(s[i] == ';'){
            display_laxical_analyzing(t, statement_no);
            i++;
            statement_no++;
            t = "";
        }
        else
            t += s[i];
    }
}

int main()
{
    ///int x = 12; float z = 4.5; char c = 'Z'; string s = "Imran Emu";
    ///x = z; c = s;
    ///Always use a space after the word/symbol/number/semicolon

    symbol_table();
    lexical_analyzing();
}

///    Sample Input
///    int x = 12; float z = 4.5; char c = 'Z'; string s = "Imran Emu";
///    x = z; c = s;
///
///    int value = 12; float value2 = 4.5; char ch = 'Z'; string str = "Imran Emu";
///    value = value2; ch = str;