//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpOperatorPrecedence"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using System;
using System.Collections.Frozen;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp.Script.Express
{
    public static partial class ExpressCompile
    {

        public static bool TryGetOperatorPrecedence(string operatorName, out int precedence)
        {
            return _operatorPrecedence.TryGetValue(operatorName, out precedence);
        }

        public static bool TryGetSuperTypeOperatorPrecedence(string operatorName, out int precedence)
        {
            return _superTypeOperatorPrecedent.TryGetValue(operatorName, out precedence);
        }

        private static void InitPrecedence()
        {
            KeyValuePair<string, int>[] source = [ new KeyValuePair<string, int>(PoolString("["), 1), new KeyValuePair<string, int>(PoolString("."), 1), new KeyValuePair<string, int>(PoolString("\\"), 1), new KeyValuePair<string, int>(PoolString("unary+"), 2), new KeyValuePair<string, int>(PoolString("unary-"), 2), new KeyValuePair<string, int>(PoolString("NOT"), 2), new KeyValuePair<string, int>(PoolString("**"), 3), new KeyValuePair<string, int>(PoolString("*"), 4), new KeyValuePair<string, int>(PoolString("/"), 4), new KeyValuePair<string, int>(PoolString("AND"), 4), new KeyValuePair<string, int>(PoolString("MOD"), 4), new KeyValuePair<string, int>(PoolString("DIV"), 4), new KeyValuePair<string, int>(PoolString("||"), 4), new KeyValuePair<string, int>(PoolString("+"), 5), new KeyValuePair<string, int>(PoolString("-"), 5), new KeyValuePair<string, int>(PoolString("OR"), 5), new KeyValuePair<string, int>(PoolString("XOR"), 5), new KeyValuePair<string, int>(PoolString("="), 6), new KeyValuePair<string, int>(PoolString("<>"), 6), new KeyValuePair<string, int>(PoolString("<="), 6), new KeyValuePair<string, int>(PoolString(">="), 6), new KeyValuePair<string, int>(PoolString(">"), 6), new KeyValuePair<string, int>(PoolString("<"), 6), new KeyValuePair<string, int>(PoolString(":=:"), 6), new KeyValuePair<string, int>(PoolString(":<>:"), 6), new KeyValuePair<string, int>(PoolString("IN"), 6), new KeyValuePair<string, int>(PoolString("LIKE"), 6), new KeyValuePair<string, int>(PoolString(Keyword.Assignment), 7) ];
            _operatorPrecedence = new Dictionary<string, int>(source,
                                                               _multiplexer).ToFrozenDictionary();
            source = [ new KeyValuePair<string, int>("ONEOF", 1), new KeyValuePair<string, int>("AND", 2), new KeyValuePair<string, int>("ANDOR", 3), ];
            _superTypeOperatorPrecedent = new Dictionary<string, int>(source,
                                                                       _multiplexer).ToFrozenDictionary(
                );
        }

        #pragma warning disable CS8618 
        private static FrozenDictionary<string, int> _superTypeOperatorPrecedent;
        private static FrozenDictionary<string, int> _operatorPrecedence;
        #pragma warning restore CS8618 
    }
}