Files
stgsharp/StgSharp.Script/Express/ExpElementInstance.cs
T

131 lines
4.4 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpElementInstance"
// 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 System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.CompilerServices;
using System.Text;
namespace StgSharp.Script.Express
{
[Flags]
public enum ExpElementType : int
{
Void = 0,
Const = 1,
Entity = 2,
Type = 4,
Function = 8,
Section = 16,
Expression = 32,
Rule = 64,
Procedure = 128,
Collection = 256,
}
public abstract class ExpElementInstance : ExpSyntaxNode
{
protected ExpElementInstance(Token source)
: base(source)
{
CodeConvertTemplate = source.Value;
}
public bool IsLiteral { get; init; }
public ExpElementType ElementType { get; }
public override ExpSyntaxNode Left => Empty;
public override ExpSyntaxNode Right => Empty;
public abstract string TypeName { get; }
public static ExpElementInstance CreateLiteral(Token t)
{
if (int.TryParse(t.Value, out int _int))
{
return new ExpIntNode(t, _int, true);
} else if (float.TryParse(t.Value, out float _float))
{
return new ExpRealNumberNode(t, _float, true);
} else if (bool.TryParse(t.Value, out bool _bool))
{
return new ExpBoolNode(t, _bool, true);
} else if (ExpLogic.TryParse(t.Value, out ExpLogic _logic))
{
return new ExpLogicValueNode(t, _logic, true);
} else
{
return new ExpStringNode(t, t.Value, true);
}
}
public ExpInstanceReferenceNode MakeReference(Token t)
{
return new ExpInstanceReferenceNode(t, this);
}
public static bool TryCreateLiteral(Token t, out ExpElementInstance instance)
{
if (int.TryParse(t.Value, out int _int))
{
instance = new ExpIntNode(t, _int, true);
return true;
} else if (float.TryParse(t.Value, out float _float))
{
instance = new ExpRealNumberNode(t, _float, true);
return true;
} else if (bool.TryParse(t.Value, out bool _bool))
{
instance = new ExpBoolNode(t, _bool, true);
return true;
} else if (ExpLogic.TryParse(t.Value, out ExpLogic _logic))
{
instance = new ExpLogicValueNode(t, _logic, true);
return true;
} else if (t.Flag == TokenFlag.String)
{
instance = new ExpStringNode(t, t.Value, true);
return true;
}
instance = null!;
return false;
}
public bool TryGetMember(string name, out ExpSyntaxNode node)
{
return EqualityTypeConvert.TryGetMember(name, out node);
}
}
}