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stgsharp/StgSharp.Script/Express/ExpAstNode/ExpUnaryOperatorNode.cs
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C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpUnaryOperatorNode"
// 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.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StgSharp.Script.Express
{
public class ExpUnaryOperatorNode : ExpSyntaxNode
{
private ExpSyntaxNode _operand;
private ExpUnaryOperatorNode(Token source) : base(source) { }
public ExpUnaryOperatorNode(Token source, ExpSyntaxNode operand, ExpSchema context)
: base(source)
{
_operand = operand;
}
public override ExpSyntaxNode Left => null!;
public override ExpSyntaxNode Right => _operand;
public override IExpElementSource EqualityTypeConvert => _operand.EqualityTypeConvert;
public static ExpUnaryOperatorNode UnaryMinus(Token source, ExpSyntaxNode operand)
{
if (!operand.IsNumber) {
throw new ExpInvalidTypeException(
source, "Number", operand.EqualityTypeConvert.Name);
}
bool isFloat =
(operand._nodeFlag | ExpNodeFlag.BuiltinType_Real) == 0;
return new ExpUnaryOperatorNode(source)
{
_nodeFlag = ExpNodeFlag.Operator_Unary | ExpNodeFlag.BuiltinType_Number,
CodeConvertTemplate = "- {0}",
};
}
public static ExpUnaryOperatorNode UnaryNot(Token source, ExpSyntaxNode operand)
{
if ((operand._nodeFlag | (ExpNodeFlag.BuiltinType_Logic | ExpNodeFlag.BuiltinType_Logic)) == 0) {
throw new ExpInvalidTypeException(
source, "Bool or Logic", operand.EqualityTypeConvert.Name);
}
return new ExpUnaryOperatorNode(source)
{
_nodeFlag = ExpNodeFlag.Operator_Unary | ExpNodeFlag.BuiltinType_Logic,
CodeConvertTemplate = "! {0}",
};
}
public static ExpUnaryOperatorNode UnaryPlus(Token source, ExpSyntaxNode operand)
{
if (!operand.IsNumber) {
throw new ExpInvalidTypeException(
source, "Number", operand.EqualityTypeConvert.Name);
}
bool isFloat =
(operand._nodeFlag | ExpNodeFlag.BuiltinType_Real) == 0;
return new ExpUnaryOperatorNode(source)
{
_nodeFlag = ExpNodeFlag.Operator_Unary | ExpNodeFlag.BuiltinType_Number,
CodeConvertTemplate = "+ {0}",
};
}
}
}