#ifndef TOKEN_H
#define TOKEN_H

#include "stdlib.h"
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include "opcodes.h"

typedef enum {
    Plus = '+',
    Minus = '-',
    Star = '*',
    Slash = '/',
    Power = '^',
    LParan = '(',
    RParan = ')',
    LBracket = '[',
    RBracket = ']',
    Comma = ',',
    NewLine = '\n'
} TokenPunctuation;

typedef enum {
    DB,
    Include,
    Byte
} Directive;

typedef enum {
    RegisterClass = 0,
    NumberClass = 1,
    CharacterClass = 2,
    MnemonicClass = 4,
    DirectiveClass = 8,
    PunctuationClass = 16,
    IdentifierClass = 32,
    LabelClass = 64,
    AddressClass = LabelClass | IdentifierClass
} TokenClass;

typedef struct __token {
    char* Lemexe;
    TokenClass Class;
    int LineNumber;
    int EndOfFile;

    union {
        TokenPunctuation Punctuation;
        Registers Register;
        Mnemonic Mnemonic;
        Directive Directive;
        unsigned short Number;
    } Value;

    struct __token* Prev;
    struct __token* Next;
} Token;

typedef struct {
    Token** content;
    int size;
    int capacity;
} TokenList;

Token* CreateToken(int lineNumber, TokenClass tokenClass);
TokenList* CreateTokenList(void);
int AddToken(Token* token, TokenList* list);
void RemoveToken(int index, TokenList* list);
void FreeToken(Token* token);

#endif