107 lines
5.2 KiB
C#
107 lines
5.2 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="ExpOperatorPrecedence.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using System;
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using System.Collections.Frozen;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.Script.Express
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{
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public static partial class ExpressCompile
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{
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public static bool TryGetOperatorPrecedence(
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string operatorName,
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out int precedence )
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{
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return _operatorPrecedence.TryGetValue(
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operatorName, out precedence );
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}
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public static bool TryGetSuperTypeOperatorPrecedence(
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string operatorName,
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out int precedence )
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{
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return _superTypeOperatorPrecedent.TryGetValue(
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operatorName, out precedence );
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}
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private static void InitPrecedence()
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{
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KeyValuePair<string, int>[] source = [
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new KeyValuePair<string, int>( PoolString( "[" ), 1 ),
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new KeyValuePair<string, int>( PoolString( "." ), 1 ),
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new KeyValuePair<string, int>( PoolString( "\\" ), 1 ),
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new KeyValuePair<string, int>( PoolString( "unary+" ), 2 ),
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new KeyValuePair<string, int>( PoolString( "unary-" ), 2 ),
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new KeyValuePair<string, int>( PoolString( "NOT" ), 2 ),
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new KeyValuePair<string, int>( PoolString( "**" ), 3 ),
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new KeyValuePair<string, int>( PoolString( "*" ), 4 ),
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new KeyValuePair<string, int>( PoolString( "/" ), 4 ),
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new KeyValuePair<string, int>( PoolString( "AND" ), 4 ),
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new KeyValuePair<string, int>( PoolString( "MOD" ), 4 ),
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new KeyValuePair<string, int>( PoolString( "DIV" ), 4 ),
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new KeyValuePair<string, int>( PoolString( "||" ), 4 ),
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new KeyValuePair<string, int>( PoolString( "+" ), 5 ),
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new KeyValuePair<string, int>( PoolString( "-" ), 5 ),
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new KeyValuePair<string, int>( PoolString( "OR" ), 5 ),
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new KeyValuePair<string, int>( PoolString( "XOR" ), 5 ),
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new KeyValuePair<string, int>( PoolString( "=" ), 6 ),
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new KeyValuePair<string, int>( PoolString( "<>" ), 6 ),
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new KeyValuePair<string, int>( PoolString( "<=" ), 6 ),
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new KeyValuePair<string, int>( PoolString( ">=" ), 6 ),
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new KeyValuePair<string, int>( PoolString( ">" ), 6 ),
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new KeyValuePair<string, int>( PoolString( "<" ), 6 ),
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new KeyValuePair<string, int>( PoolString( ":=:" ), 6 ),
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new KeyValuePair<string, int>( PoolString( ":<>:" ), 6 ),
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new KeyValuePair<string, int>( PoolString( "IN" ), 6 ),
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new KeyValuePair<string, int>( PoolString( "LIKE" ), 6 ),
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];
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_operatorPrecedence = new Dictionary<string, int>(
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source, _multiplexer ).ToFrozenDictionary();
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source = [
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new KeyValuePair<string, int>( "ONEOF", 1 ),
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new KeyValuePair<string, int>( "AND", 2 ),
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new KeyValuePair<string, int>( "ANDOR", 3 ),
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];
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_superTypeOperatorPrecedent = new Dictionary<string, int>(
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source, _multiplexer ).ToFrozenDictionary();
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}
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#pragma warning disable CS8618
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private static FrozenDictionary<string, int> _superTypeOperatorPrecedent;
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private static FrozenDictionary<string, int> _operatorPrecedence;
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#pragma warning restore CS8618
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}
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}
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