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stgsharp/StgSharp.Script/Express/ExpAstNode/ExpBinaryOperatorNode.cs
T

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C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="ExpBinaryOperatorNode.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 System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
namespace StgSharp.Script.Express
{
public class ExpBinaryOperatorNode : ExpNode
{
private ExpInstantiableElement _returnType;
private ExpNode _left;
private ExpNode _right;
private ExpBinaryOperatorNode( string name ) : base( name ) { }
public override ExpInstantiableElement EqualityTypeConvert => _returnType;
public override ExpNode Left => _left;
public override ExpNode Right => _right;
public static ExpBinaryOperatorNode Add( ExpNode left, ExpNode right )
{
if( !left.IsNumber && !right.IsNumber ) {
throw new ExpInvalidTypeException(
"Number", left.EqualityTypeConvert.Name );
}
bool isFloat =
( left._nodeFlag | ExpNodeFlag.BuiltinType_Float ) == 0 || ( right._nodeFlag | ExpNodeFlag.BuiltinType_Float ) ==
0;
return new ExpBinaryOperatorNode( ExpCompile.KeyWord.ADD )
{
_returnType = isFloat ? null : null,
_nodeFlag = ExpNodeFlag.Operator_Binary | ExpNodeFlag.BuiltinType_Number,
CodeConvertTemplate = "{0} + {1}",
};
}
public static ExpBinaryOperatorNode Assign(
ExpNode left,
ExpNode right )
{
if( left.EqualityTypeConvert != right.EqualityTypeConvert ) {
throw new ExpInvalidTypeException(
left.EqualityTypeConvert.Name,
right.EqualityTypeConvert.Name );
}
return new ExpBinaryOperatorNode( ExpCompile.KeyWord.Assignment )
{
_returnType = ExpInstantiableElement.Void,
_nodeFlag = ExpNodeFlag.Operator_Binary | left._nodeFlag,
CodeConvertTemplate = "{0} & {1}",
};
}
public static ExpBinaryOperatorNode Div( ExpNode left, ExpNode right )
{
if( !left.IsNumber && !right.IsNumber ) {
throw new ExpInvalidTypeException(
"Number", left.EqualityTypeConvert.Name );
}
bool isFloat =
( left._nodeFlag | ExpNodeFlag.BuiltinType_Float ) == 0 || ( right._nodeFlag | ExpNodeFlag.BuiltinType_Float ) ==
0;
return new ExpBinaryOperatorNode( ExpCompile.KeyWord.DIV )
{
_returnType = isFloat ? null : null,
_nodeFlag = ExpNodeFlag.Operator_Binary | ExpNodeFlag.BuiltinType_Number,
CodeConvertTemplate = "{0} / {1}",
};
}
public static ExpBinaryOperatorNode Mul( ExpNode left, ExpNode right )
{
if( !left.IsNumber && !right.IsNumber ) {
throw new ExpInvalidTypeException(
"Number", left.EqualityTypeConvert.Name );
}
bool isFloat =
( left._nodeFlag | ExpNodeFlag.BuiltinType_Float ) == 0 || ( right._nodeFlag | ExpNodeFlag.BuiltinType_Float ) ==
0;
return new ExpBinaryOperatorNode( ExpCompile.KeyWord.MUL )
{
_returnType = isFloat ? null : null,
_nodeFlag = ExpNodeFlag.Operator_Binary | ExpNodeFlag.BuiltinType_Number,
CodeConvertTemplate = "{0} * {1}",
};
}
public static ExpBinaryOperatorNode Sub( ExpNode left, ExpNode right )
{
if( !left.IsNumber && !right.IsNumber ) {
throw new ExpInvalidTypeException(
"Number", left.EqualityTypeConvert.Name );
}
bool isFloat =
( left._nodeFlag | ExpNodeFlag.BuiltinType_Float ) == 0 || ( right._nodeFlag | ExpNodeFlag.BuiltinType_Float ) ==
0;
return new ExpBinaryOperatorNode( ExpCompile.KeyWord.SUB )
{
_returnType = isFloat ? : null,
_nodeFlag = ExpNodeFlag.Operator_Binary | ExpNodeFlag.BuiltinType_Number,
CodeConvertTemplate = "{0} - {1}",
};
}
}
}