Files
stgsharp/StgSharp.Model/Step/SyntaxNode/StepEntityInstanceNode.cs
T

106 lines
3.7 KiB
C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="StepEntityInstanceNode.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 StgSharp.Model.Step;
using StgSharp.Script;
using StgSharp.Script.Express;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
namespace StgSharp.Model.Step
{
public class StepEntityInstanceNode : ExpSyntaxNode
{
private StepEntityInstanceNode( Token source ) : base( source ) { }
public override ExpSyntaxNode Left => Empty;
public override ExpSyntaxNode Right => Empty;
public override IExpElementSource EqualityTypeConvert => StepEntityType.Source;
public int Id { get; init; }
public static StepEntityInstanceNode Register( Token t )
{
if( t.Value[ 0 ] != '#' ) {
throw new ExpInvalidSyntaxException( "Entity label in STEP should be # + number" );
}
StepEntityInstanceNode node = new StepEntityInstanceNode( t )
{
Id = int.Parse( t.Value.AsSpan( 1 ) ),
};
return node;
}
public static StepEntityInstanceNode RegisterNull( Token t )
{
if( t.Value != "$" ) {
throw new ExpInvalidSyntaxException(
$"Token {t.Value} does not represent a null entity" );
}
StepEntityInstanceNode node = new StepEntityInstanceNode( t )
{
Id = 0,
};
return node;
}
public static StepEntityInstanceNode RegisterRuntimeInference( Token t )
{
if( t.Value != "*" ) {
throw new ExpInvalidSyntaxException(
$"Token {t.Value} does not represent a runtime inferences entity" );
}
StepEntityInstanceNode node = new StepEntityInstanceNode( t )
{
Id = -1,
};
return node;
}
}
internal class StepEntityType : ExpTypeSource
{
private StepEntityType( string typeName ) : base( typeName ) { }
public static StepEntityType Source { get; } = new StepEntityType( "ENTITY" );
}
}