69 lines
2.7 KiB
C#
69 lines
2.7 KiB
C#
//-----------------------------------------------------------------------
|
|
//-----------------------------------------------------------------------
|
|
// file="ExpSyntaxAnalyzer.Enum.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.Script;
|
|
using StgSharp.Script.Express;
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace StgSharp.Model.Step
|
|
{
|
|
internal partial class StepExpSyntaxAnalyzer
|
|
{
|
|
|
|
private static string ParseStepEnumLiteral( string source )
|
|
{
|
|
int length = source.Length;
|
|
ReadOnlySpan<char> span = source.AsSpan();
|
|
if( length > 2 && span[ 0 ] == '.' && span[ length - 1 ] == '.' ) {
|
|
return span.Slice( 1, length - 2 ).ToString();
|
|
}
|
|
throw new ExpInvalidSyntaxException( $"\"{source}\" is not a valid enum syntax" );
|
|
}
|
|
|
|
private void TryAppendEnum( Token e )
|
|
{
|
|
ExpSyntaxNode node = e.Value switch
|
|
{
|
|
".T." => new ExpBoolNode( e, true, true ),
|
|
".F." => new ExpBoolNode( e, false, true ),
|
|
".U." => new ExpLogicValueNode( e, ExpLogic.Unknown, true ),
|
|
_ => ExpEnumLiteralNode.Create( e, ParseStepEnumLiteral ),
|
|
};
|
|
_cache.PushOperand( node );
|
|
}
|
|
|
|
}
|
|
}
|