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stgsharp/内核源代码/StgSharp.Script/Express/ExpAstToken/ExpToken.cs
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C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="ExpToken.cs"
// 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 CommunityToolkit.HighPerformance.Buffers;
using System;
using System.Collections.Generic;
using System.Text;
namespace StgSharp.Script.Express
{
public abstract class ExpToken : IExpressionToken<ExpToken, IExpElementSource>
{
protected internal ExpToken _previousToken;
protected internal ExpTokenFlag _tokenType;
protected internal string _name;
protected ExpToken( string name, ExpSchema context )
{
_name = name;
NameSpace = context;
}
public ExpSchema NameSpace
{
get;
private set;
}
public abstract ExpToken Left
{
get;
}
public abstract ExpToken Next
{
get;
set;
}
public abstract ExpToken Right
{
get;
}
public abstract IExpElementSource EqualityTypeConvert
{
get;
}
public long TokenTypeCode => ( long )_tokenType;
public string Name => _name;
public virtual void AppendToken( ExpToken nextToken )
{
Next = nextToken;
}
public ExpTokenEnumerator GetEnumerator()
{
return new ExpTokenEnumerator( this );
}
protected void AssertSchemaInclude( ExpToken expressionRoot )
{
if( expressionRoot.NameSpace != NameSpace && NameSpace.HasSchemaInclude(
expressionRoot.NameSpace ) ) {
throw new ExpInvalidSchemaIncludeException(
NameSpace, expressionRoot.NameSpace );
}
}
}
}