C++ kodu hiç bir çıktı vermiyor

#include <iostream>
#include <vector>
using namespace std;
void printVect(vector<string> inp,char pchar = '\0') {
    for (const string& w : inp) {
        if (pchar != '\0') { cout << w << pchar; }
        else { cout << w; }
    }
}

long int findToken(vector<string> text,long int index, string ftext) {
    for (index <= text.size(); index++;) {
        if (text.at(index) == ftext){
            return index;
        }
    }
    return 0; // bulunamazsa döndürcek
}

vector<string> clearCode(vector<string> code, int baslangic, int bitis) {
    // Verilen konumdan bitiş konumuna kadar verilen karakteri silcek
    code.erase(code.begin()+baslangic,code.begin()+bitis);
    printVect(code);
    return code;
}

vector<string> Parser(string code, string charset) {
    vector<string> parsingCode;
    string guncelCode;
    for (char c : code) {
        bool found = false;
        for (char checkChar : charset) {
            if (checkChar == c) {
                parsingCode.push_back(guncelCode);
                parsingCode.push_back(string(1, checkChar));
                guncelCode = "";
                found = true;
                break;
            }
        }
        if (!found) {
            guncelCode += c;
        }
    }
    parsingCode.push_back(guncelCode);
    //printVect(parsingCode);
    return parsingCode;
}

string interpreter(vector<string> code) {
    long int counter = 0;
    /*
    counter --> parselanmış kodda gelinen yerin indexi
    */
    for (counter <= code.size(); counter++;) {
        if (code[counter] == "write") {
            code = clearCode(code,counter,findToken(code,counter,"("));
            printVect(code);
        }
    }
    return "";
}

int main() {
    string code = "write     (\"na  ber\");";
    string charset = ")(\"; ";
    vector<string> output = Parser(code, charset);
    interpreter(output);

    return 0;
}