#include <string>

#include <vector>

#include <scanner.hpp>

#include <error.hpp>

#include <parser.hpp>

#include <graph.hpp>

#include <visitor.hpp>

#include <memory.hpp>

#include <fstream>

#include <interpreter.hpp>

using namespace std;

// Extracts the file name from command arguments

string getName(int argCount, char *args[])

{

if (argCount < 2)

error("less number of arguments");

return string(args[1]);

}

// Extract the code from file

string getCode(const string& name)

{

ifstream file(name);

if (!file)

error("can't read file: " + name);

return string((istreambuf_iterator<char>(file)), (istreambuf_iterator<char>()));

}

// Main

int main(int argCount, char *args[])

{

try

{

string name = getName(argCount, args);

string code = getCode(name);

vector<Token> token = scan(code);

map<string, unique_ptr<StackBase>> stackmap = generateStackMap(token);

vector<unique_ptr<Statement>> v = parse(token, stackmap);

Interpreter i(v);

}

catch (const std::exception &e)

{

// Terminates the program when exception is caught

return -1;

}

return 0;

}