package me.hammerle.code;

public enum Syntax
{
    UNKNOWN(" ", 0),
    OPEN_BRACKET("(", 1, (byte) 2),
    CLOSE_BRACKET(")", 1, (byte) 1),
    OPEN_SBRACKET("[", 1, (byte) 4),
    CLOSE_SBRACKET("]", 1, (byte) 3),
    INC("++", 2, (byte) 5, (byte) 1),
    POST_INC("p+", 2, (byte) 5, (byte) 1),
    DEC("--", 2, (byte) 5, (byte) 1),
    POST_DEC("p-", 2, (byte) 5, (byte) 1),
    NOT("!", 2, (byte) 0, (byte) 1),
    BIT_NOT("~", 2, (byte) 0, (byte) 1),
    MUL("*", 3),
    DIV("/", 3),
    MOD("%", 3),
    ADD("+", 4),
    SUB("-", 4),
    LEFT_SHIFT("<<", 5),
    RIGHT_SHIFT(">>", 5),
    SMALLER("<", 6),
    SMALLER_EQUAL("<=", 6),
    GREATER(">", 6),
    GREATER_EQUAL(">=", 6),
    EQUAL("==", 7),
    NOT_EQUAL("!=", 7),
    BIT_AND("&", 8),
    BIT_XOR("^", 9),
    BIT_OR("|", 10),
    AND("&&", 11),
    OR("||", 12),
    SET("=", 14),
    SET_ADD("+=", 14),
    SET_SUB("-=", 14),
    SET_MUL("*=", 14),
    SET_DIV("/=", 14),
    SET_MOD("%=", 14),
    SET_SHIFT_LEFT("<<=", 14),
    SET_SHIFT_RIGHT(">>=", 14),
    SET_BIT_AND("&=", 14),
    SET_BIT_XOR("^=", 14),
    SET_BIT_OR("|=", 14),
    COMMA(",", 15, (byte) -1);       

    private int weight;
    private String function;
    private byte status;
    private byte pars;

    Syntax(String function, int weight, byte status, byte pars)
    {
        this.weight = weight;
        this.function = function;
        this.status = status;
        this.pars = pars;
    }   
    
    Syntax(String function, int weight, byte status)
    {
        this(function, weight, status, (byte) 2);
    }

    Syntax(String function, int weight)
    {
        this(function, weight, (byte) 0);
    }

    public String getFunction() 
    {
        return function;
    }

    public int getWeight() 
    {
        return weight;
    }

    public boolean shouldStartLayer()
    {
        return status == 1 || status == 3;
    }

    public boolean shouldEndLayer()
    {
        return status == 2 || status == 4;
    }
    
    public boolean isFunction()
    {
        return status >= 0;
    }

    public boolean isArray()
    {
        return status == 3 || status == 4;
    }
    
    public boolean isIncOrDec()
    {
        return status == 5;
    }
    
    public byte getParameters()
    {
        return pars;
    }
}