Token.cpp

// ========= ASSIGN THE TOKEN =========

// header file for the token class
#include "Token.h"

// assign the token type
std::string Token::typeName(TokenType t) {
    switch(t) {

        //LITERALS
        case TokenType::NUMBER:
            return "NUMBER";

        case TokenType::STRING_LIT:
            return "STRING";

        case TokenType::IDENTIFIER:
            return "IDENTIFIER";


        // KEYWORDS
        case TokenType::INT:
            return "INT";
        
        case TokenType::FLOAT:
            return "FLOAT";

        case TokenType::IF:
            return "IF";
        
        case TokenType::ELSE:
            return "ELSE";
        
        case TokenType::WHILE:
            return "WHILE";
        
        case TokenType::RETURN:
            return "RETURN";

        case TokenType::PRINT:
            return "PRINT";

        
        // ARITHMETIC OPERATORS
        case TokenType::PLUS:
            return "PLUS";
        
        case TokenType::MINUS:
            return "MINUS";
        
        case TokenType::STAR:
            return "STAR";
        
        case TokenType::SLASH:
            return "SLASH";
        

        // RELATIONAL OPERATORS
        case TokenType::EQ_EQ:
            return "EQ_EQ";
        
        case TokenType::NOT_EQ:
            return "NOT_EQ";
        
        case TokenType::LESS:
            return "LESS";
        
        case TokenType::GREATER:
            return "GREATER";
        
        case TokenType::LESS_EQ:
            return "LESS_EQ";
        
        case TokenType::GREATER_EQ:
            return "GREATER_EQ";
        

        // ASSIGNMENT OPERATOR
        case TokenType::EQUAL:
            return "EQUAL";

        
        // DELIMITERS
        case TokenType::SEMICOLON:
            return "SEMICOLON";
        
        case TokenType::LPAREN:
            return "LPAREN";

        case TokenType::RPAREN:
            return "RPAREN";

        case TokenType::LBRACE:
            return "LBRACE";

        case TokenType::RBRACE:
            return "RBRACE";
        
        case TokenType::COMMA:
            return "COMMA";


        // SECIAL
        case TokenType::END_OF_FILE:
            return "EOF";

        case TokenType::UNKNOWN:
            return "UNKNOWN";

        default:
            return "?";
    }
}

// example :
// // 3+4=7
// <NUMBER,3>,<PLUS,+>,<NUMBER,4>,<EQUAL,=>,<NUMBER,7>