/* Software License Agreement
 * 
 *     Copyright(C) 1994-2021 David Lindauer, (LADSoft)
 * 
 *     This file is part of the Orange C Compiler package.
 * 
 *     The Orange C Compiler package is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     The Orange C Compiler package is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with Orange C.  If not, see <http://www.gnu.org/licenses/>.
 * 
 *     contact information:
 *         email: TouchStone222@runbox.com <David Lindauer>
 * 
 */

#ifndef TokenNode_h
#define TokenNode_h

#include <deque>
#include <string>

class TokenNode
{
  public:
    TokenNode(std::string Str, std::string Errname, int ol) :
        type(tk_string),
        optionLevel(ol),
        bytes(nullptr),
        used(false),
        coding(-1),
        values(nullptr),
        eos(0),
        errname(Errname)
    {
        str = new std::string(Str);
        id = tn_next++;
        tokenList.push_back(this);
        auto itm = tokenTable.find(Str);
        if (itm == tokenTable.end())
        {
            tokenTable[Str] = token = tk_next++;
        }
        else
        {
            token = itm->second;
        }
    }
    TokenNode(Register* Reg, int ol) :
        errname(Reg->name),
        type(tk_reg),
        reg(Reg),
        optionLevel(ol),
        bytes(nullptr),
        used(false),
        coding(-1),
        values(nullptr),
        eos(0)
    {
        id = tn_next++;
        tokenList.push_back(this);
    }
    TokenNode(RegClass* rClass, int ol) :
        errname(rClass->name),
        type(tk_regclass),
        regClass(rClass),
        optionLevel(ol),
        bytes(nullptr),
        used(false),
        coding(-1),
        values(nullptr),
        eos(0)
    {
        id = tn_next++;
        tokenList.push_back(this);
    }
    TokenNode(AddressClass* AddrClass, int ol) :
        errname(AddrClass->name),
        type(tk_addrclass),
        addrClass(AddrClass),
        optionLevel(ol),
        bytes(nullptr),
        used(false),
        coding(-1),
        values(nullptr),
        eos(0)
    {
        id = tn_next++;
        tokenList.push_back(this);
    }
    TokenNode(Opcode* OpCode, int ol) :
        errname(OpCode->name),
        type(tk_opcode),
        opcode(OpCode),
        optionLevel(ol),
        bytes(nullptr),
        used(false),
        coding(-1),
        values(nullptr),
        eos(0)
    {
        id = tn_next++;
        tokenList.push_back(this);
    }
    TokenNode(Number* nNumber, int ol) :
        errname(nNumber->name),
        type(tk_number),
        number(nNumber),
        optionLevel(ol),
        bytes(nullptr),
        used(false),
        coding(-1),
        values(nullptr),
        eos(0)
    {
        id = tn_next++;
        tokenList.push_back(this);
    }
    ~TokenNode()
    {
        delete bytes;
        delete str;
    }
    void SetBytes(BYTE* data, int n)
    {
        bytes = new BYTE[n];
        memcpy(bytes, data, n);
    }
    std::string name;
    std::string errname;
    std::deque<TokenNode*> branches;
    int optionLevel;
    BYTE* bytes;
    int coding;
    int eos;
    std::map<std::string, std::string>* values;
    enum tk_type
    {
        tk_string,
        tk_number,
        tk_reg,
        tk_regclass,
        tk_addrclass,
        tk_opcode
    } type;
    std::string* str;
    union
    {
        void* opaque;
        int token;
        Register* reg;
        RegClass* regClass;
        AddressClass* addrClass;
        Opcode* opcode;
        Number* number;
    };
    enum
    {
        TOKEN_BASE = 0,
        REGISTER_BASE = 1000,
        OPCODE_BASE = 2000
    };
    int id;
    int tokenId;
    bool used;
    static int tn_next;
    static int tk_next;
    static std::deque<TokenNode*> tokenList;
    static std::map<std::string, int> tokenTable;
};
#endif