private static ExpressionSyntax GetNewNode(PrefixUnaryExpressionSyntax logicalNot)
{
ExpressionSyntax operand = logicalNot.Operand;
ExpressionSyntax expression = operand.WalkDownParentheses();
switch (expression.Kind())
{
case SyntaxKind.TrueLiteralExpression:
case SyntaxKind.FalseLiteralExpression:
{
LiteralExpressionSyntax newNode = BooleanLiteralExpression(expression.Kind() == SyntaxKind.FalseLiteralExpression);
newNode = newNode.WithTriviaFrom(expression);
return(operand.ReplaceNode(expression, newNode));
}
case SyntaxKind.LogicalNotExpression:
{
return(((PrefixUnaryExpressionSyntax)expression).Operand);
}
case SyntaxKind.EqualsExpression:
{
var equalsExpression = (BinaryExpressionSyntax)expression;
BinaryExpressionSyntax notEqualsExpression = NotEqualsExpression(
equalsExpression.Left,
SyntaxFactory.Token(SyntaxKind.ExclamationEqualsToken).WithTriviaFrom(equalsExpression.OperatorToken),
equalsExpression.Right);
return(operand.ReplaceNode(equalsExpression, notEqualsExpression));
}
case SyntaxKind.InvocationExpression:
{
var invocationExpression = (InvocationExpressionSyntax)expression;
var memberAccessExpression = (MemberAccessExpressionSyntax)invocationExpression.Expression;
ExpressionSyntax lambdaExpression = invocationExpression.ArgumentList.Arguments.First().Expression.WalkDownParentheses();
SingleParameterLambdaExpressionInfo lambdaInfo = SyntaxInfo.SingleParameterLambdaExpressionInfo(lambdaExpression);
var logicalNot2 = (PrefixUnaryExpressionSyntax)SimplifyLogicalNegationAnalyzer.GetReturnExpression(lambdaInfo.Body).WalkDownParentheses();
InvocationExpressionSyntax newNode = invocationExpression.ReplaceNode(logicalNot2, logicalNot2.Operand.WithTriviaFrom(logicalNot2));
return(SyntaxRefactorings.ChangeInvokedMethodName(newNode, (memberAccessExpression.Name.Identifier.ValueText == "All") ? "Any" : "All"));
}
}
return(null);
}
private static ExpressionSyntax GetNewNode(PrefixUnaryExpressionSyntax logicalNot, Document document)
{
ExpressionSyntax operand = logicalNot.Operand;
ExpressionSyntax expression = operand.WalkDownParentheses();
switch (expression.Kind())
{
case SyntaxKind.TrueLiteralExpression:
case SyntaxKind.FalseLiteralExpression:
{
LiteralExpressionSyntax newNode = BooleanLiteralExpression(expression.Kind() == SyntaxKind.FalseLiteralExpression);
newNode = newNode.WithTriviaFrom(expression);
return(operand.ReplaceNode(expression, newNode));
}
case SyntaxKind.LogicalNotExpression:
{
return(((PrefixUnaryExpressionSyntax)expression).Operand);
}
case SyntaxKind.EqualsExpression:
case SyntaxKind.NotEqualsExpression:
case SyntaxKind.LessThanExpression:
case SyntaxKind.LessThanOrEqualExpression:
case SyntaxKind.GreaterThanExpression:
case SyntaxKind.GreaterThanOrEqualExpression:
{
BinaryExpressionSyntax newExpression = SyntaxLogicalInverter.GetInstance(document).InvertBinaryExpression((BinaryExpressionSyntax)expression);
return(operand.ReplaceNode(expression, newExpression));
}
case SyntaxKind.InvocationExpression:
{
var invocationExpression = (InvocationExpressionSyntax)expression;
var memberAccessExpression = (MemberAccessExpressionSyntax)invocationExpression.Expression;
ExpressionSyntax lambdaExpression = invocationExpression.ArgumentList.Arguments[0].Expression.WalkDownParentheses();
SingleParameterLambdaExpressionInfo lambdaInfo = SyntaxInfo.SingleParameterLambdaExpressionInfo(lambdaExpression);
var logicalNot2 = (PrefixUnaryExpressionSyntax)SimplifyLogicalNegationAnalyzer.GetReturnExpression(lambdaInfo.Body).WalkDownParentheses();
InvocationExpressionSyntax newNode = invocationExpression.ReplaceNode(logicalNot2, logicalNot2.Operand.WithTriviaFrom(logicalNot2));
return(SyntaxRefactorings.ChangeInvokedMethodName(newNode, (memberAccessExpression.Name.Identifier.ValueText == "All") ? "Any" : "All"));
}
case SyntaxKind.IsPatternExpression:
{
var isPatternExpression = (IsPatternExpressionSyntax)expression;
var pattern = (ConstantPatternSyntax)isPatternExpression.Pattern;
UnaryPatternSyntax newPattern = NotPattern(pattern.WithoutTrivia()).WithTriviaFrom(pattern);
return(isPatternExpression.WithPattern(newPattern)
.PrependToLeadingTrivia(logicalNot.GetLeadingTrivia())
.AppendToTrailingTrivia(logicalNot.GetTrailingTrivia()));
}
}
return(null);
}
