102 lines
3.6 KiB
C#
102 lines
3.6 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="ExpConst"
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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 obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// 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;
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using System.Collections.Frozen;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq.Expressions;
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using System.Runtime.CompilerServices;
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using System.Text;
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namespace StgSharp.Script.Express
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{
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public sealed class ExpConstantCollectionSource : ExpImmutableElement
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{
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private Dictionary<string, ExpElementInstance> _constants;
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private IScriptSourceProvider _sourceProvider;
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public ExpConstantCollectionSource(IScriptSourceProvider sourceProvider)
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{
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_sourceProvider = sourceProvider;
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_constants = new Dictionary<string, ExpElementInstance>(ExpressCompile.Multiplexer);
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}
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public override ExpElementType ElementType => ExpElementType.Const;
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public override IScriptSourceProvider SourceProvider => _sourceProvider;
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public override string Name
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{
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get => ExpressCompile.Keyword.Constant;
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}
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public override void Analyse()
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{
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throw new NotImplementedException();
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}
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public override ExpSyntaxNode MakeReference(params object[] options)
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{
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if (options.Length == 0 || options[0] is not string str) {
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return null!;
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}
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if (_constants.Count == 0) {
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return null!;
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}
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if (_constants.TryGetValue(str, out ExpElementInstance? token)) {
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return token;
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}
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return null!;
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}
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public bool TryGetConstant(string name, out ExpElementInstance instance)
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{
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return _constants.TryGetValue(name, out instance);
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}
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public override bool TryGetMember(string name, out ExpSyntaxNode memberNode)
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{
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if (_constants.TryGetValue(name, out ExpElementInstance? node))
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{
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memberNode = node;
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return true;
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}
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memberNode = ExpSyntaxNode.Empty;
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return false;
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}
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internal void AddConstant(string name, ExpElementInstance value)
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{
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_constants.Add(name, value);
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}
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}
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}
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