/*
 * This file is part of MQT QFR library which is released under the MIT license.
 * See file README.md or go to https://www.cda.cit.tum.de/research/quantum/ for more information.
 */

#pragma once

#include "Definitions.hpp"

#include <map>
#include <string>

namespace qasm {

    struct Token {
        enum class Kind {
            Include,
            None,
            Identifier,
            Number,
            Plus,
            Semicolon,
            Eof,
            Lpar,
            Rpar,
            Lbrack,
            Rbrack,
            Lbrace,
            Rbrace,
            Comma,
            Minus,
            Times,
            Nninteger,
            Real,
            Qreg,
            Creg,
            Gate,
            Pi,
            Measure,
            Openqasm,
            Probabilities,
            Sin,
            Cos,
            Tan,
            Exp,
            Ln,
            Sqrt,
            Div,
            Power,
            String,
            Gt,
            Barrier,
            Opaque,
            If,
            Eq,
            Reset,
            Snapshot,
            McxGray,
            McxRecursive,
            McxVchain,
            Mcphase,
            Comment
        };

        Kind        kind    = Kind::None;
        int         line    = 0;
        int         col     = 0;
        int         val     = 0;
        qc::fp      valReal = 0.0;
        std::string str;

        Token() = default;
        Token(Kind k, int l, int c):
            kind(k), line(l), col(c) {}
    };

    static inline const std::map<Token::Kind, std::string> KIND_NAMES{
            {Token::Kind::None, "none"},
            {Token::Kind::Include, "include"},
            {Token::Kind::Identifier, "<identifier>"},
            {Token::Kind::Number, "<number>"},
            {Token::Kind::Plus, "+"},
            {Token::Kind::Semicolon, ";"},
            {Token::Kind::Eof, "EOF"},
            {Token::Kind::Lpar, "("},
            {Token::Kind::Rpar, ")"},
            {Token::Kind::Lbrack, "["},
            {Token::Kind::Rbrack, "]"},
            {Token::Kind::Lbrace, "{"},
            {Token::Kind::Rbrace, "}"},
            {Token::Kind::Comma, ","},
            {Token::Kind::Minus, "-"},
            {Token::Kind::Times, "*"},
            {Token::Kind::Nninteger, "<nninteger>"},
            {Token::Kind::Real, "<real>"},
            {Token::Kind::Qreg, "qreg"},
            {Token::Kind::Creg, "creg"},
            {Token::Kind::Gate, "gate"},
            {Token::Kind::McxGray, "mcx_gray"},
            {Token::Kind::McxRecursive, "mcx_recursive"},
            {Token::Kind::McxVchain, "mcx_vchain"},
            {Token::Kind::Mcphase, "mcphase"},
            {Token::Kind::Pi, "pi"},
            {Token::Kind::Measure, "measure"},
            {Token::Kind::Openqasm, "openqasm"},
            {Token::Kind::Probabilities, "probabilities"},
            {Token::Kind::Opaque, "opaque"},
            {Token::Kind::Sin, "sin"},
            {Token::Kind::Cos, "cos"},
            {Token::Kind::Tan, "tan"},
            {Token::Kind::Exp, "exp"},
            {Token::Kind::Ln, "ln"},
            {Token::Kind::Sqrt, "sqrt"},
            {Token::Kind::Div, "/"},
            {Token::Kind::Power, "^"},
            {Token::Kind::String, "string"},
            {Token::Kind::Gt, ">"},
            {Token::Kind::Barrier, "barrier"},
            {Token::Kind::If, "if"},
            {Token::Kind::Eq, "=="},
            {Token::Kind::Reset, "reset"},
            {Token::Kind::Comment, "//"}};

} // namespace qasm
