_Core/Lang/Parser/Terminators.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ComLib.Lang
{
    /// <summary>
    /// Terminators used for parsing expressions/statements.
    /// </summary>
    public class Terminators
    {
        /// <summary>
        /// Used for end of expression;
        /// </summary>
        public static readonly IDictionary<Token, bool> ExpStatementEnd = new Dictionary<Token, bool>()
        {
            { Tokens.NewLine, true },
            { Tokens.Semicolon, true },
        };


        /// <summary>
        /// Used for end of expression;
        /// </summary>
        public static readonly IDictionary<Token, bool> ExpSemicolonEnd = new Dictionary<Token, bool>()
        {
            { Tokens.Semicolon, true },
        };


        /// <summary>
        /// Used for end of expression;
        /// </summary>
        public static readonly IDictionary<Token, bool> ExpVarDeclarationEnd = new Dictionary<Token, bool>()
        {
            { Tokens.Comma, true },
            { Tokens.NewLine, true },
            { Tokens.Semicolon, true }
        };


        /// <summary>
        /// Used for end of expression;
        /// </summary>
        public static readonly IDictionary<Token, bool> ExpSingle = new Dictionary<Token, bool>()
        {
            { Tokens.Comma, true }
        };


        /// <summary>
        /// Used for end of ( ) in if
        /// </summary>
        public static readonly IDictionary<Token, bool> ExpParenthesisEnd = new Dictionary<Token, bool>()
        {
            { Tokens.RightParenthesis, true }
        };