lonely-tiger/compiler/Token.cpp

#include "Token.h"
#include "../Exception.h"
#include <iostream>
#include "TokenType.h"

Token::Token(TokenType type, int line) : type(type)
{
    this->line = line;
    f = 0.0f;
    s = "";
}

Token::~Token() 
{
}

void Token::setFloat(float f)
{
    if(type != Tokens::FLOAT)
    {
        throw Exception("token contains no float");
    }
    this->f = f;
}

void Token::setString(string s)
{
    if(type != Tokens::TEXT && type != Tokens::LABEL && type != Tokens::VAR)
    {
        throw Exception("token contains no string");
    }
    this->s.assign(s);
}

float Token::getFloat() const
{
    return f;
}

bool Token::getBool() const
{
    if(type == Tokens::TRUE)
    {
        return true;
    }
    return false;
}

string Token::getString() const
{
    return s;
}

int Token::getLine() const
{
    return line;
}

TokenType Token::getType() const
{
    return type;
}

std::ostream& operator<<(std::ostream& stream, const Token& t)
{
    stream << t.getLine() << " ";
    stream << t.getType();
    string s = t.getString();
    if(s.size() != 0)
    {
        stream << "(\"" << s << "\")"; 
    }
    if(t.getType() == Tokens::FLOAT)
    {
        stream << '(' << t.getFloat() << ')'; 
    }
    return stream;
}