private void AnalyzeInvocationExpression(SyntaxNodeAnalysisContext context)
{
if (GeneratedCodeAnalyzer?.IsGeneratedCode(context) == true)
{
return;
}
var invocation = (InvocationExpressionSyntax)context.Node;
if (invocation.Expression?.IsKind(SyntaxKind.SimpleMemberAccessExpression) == true &&
invocation.ArgumentList?.Arguments.Count == 0)
{
var memberAccess = (MemberAccessExpressionSyntax)invocation.Expression;
string methodName = memberAccess.Name?.Identifier.ValueText;
switch (methodName)
{
case "Any":
{
ProcessWhere(context, invocation, memberAccess, methodName);
ProcessAny(context, invocation, memberAccess);
break;
}
case "Count":
{
ProcessWhere(context, invocation, memberAccess, methodName);
ProcessCount(context, invocation, memberAccess);
break;
}
case "First":
case "FirstOrDefault":
case "Last":
case "LastOrDefault":
case "LongCount":
case "Single":
case "SingleOrDefault":
{
ProcessWhere(context, invocation, memberAccess, methodName);
break;
}
}
}
if (ReplaceHasFlagWithBitwiseOperationRefactoring.CanRefactor(invocation, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(
DiagnosticDescriptors.UseBitwiseOperationInsteadOfHasFlagMethod,
invocation.GetLocation());
}
}
private void AnalyzeInvocationExpression(SyntaxNodeAnalysisContext context)
{
if (GeneratedCodeAnalyzer?.IsGeneratedCode(context) == true)
{
return;
}
var invocation = (InvocationExpressionSyntax)context.Node;
ExpressionSyntax expression = invocation.Expression;
if (expression?.IsKind(SyntaxKind.SimpleMemberAccessExpression) == true)
{
var memberAccess = (MemberAccessExpressionSyntax)expression;
ArgumentListSyntax argumentList = invocation.ArgumentList;
if (argumentList?.IsMissing == false)
{
int argumentCount = argumentList.Arguments.Count;
string methodName = memberAccess.Name?.Identifier.ValueText;
if (argumentCount == 0)
{
switch (methodName)
{
case "Any":
{
SimplifyLinqMethodChainRefactoring.Analyze(context, invocation, memberAccess, methodName);
ReplaceAnyMethodWithCountOrLengthPropertyRefactoring.Analyze(context, invocation, memberAccess);
break;
}
case "Cast":
{
ReplaceWhereAndCastWithOfTypeRefactoring.Analyze(context, invocation);
break;
}
case "Count":
{
SimplifyLinqMethodChainRefactoring.Analyze(context, invocation, memberAccess, methodName);
ReplaceCountMethodRefactoring.Analyze(context, invocation, memberAccess);
break;
}
case "First":
case "FirstOrDefault":
case "Last":
case "LastOrDefault":
case "LongCount":
case "Single":
case "SingleOrDefault":
{
SimplifyLinqMethodChainRefactoring.Analyze(context, invocation, memberAccess, methodName);
break;
}
}
}
else if (argumentCount == 1)
{
switch (methodName)
{
case "Select":
{
ReplaceSelectWithCastRefactoring.Analyze(context, invocation, memberAccess);
break;
}
case "Where":
{
CombineEnumerableWhereMethodChainRefactoring.Analyze(context, invocation, memberAccess);
break;
}
}
}
}
}
if (ReplaceHasFlagWithBitwiseOperationRefactoring.CanRefactor(invocation, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(
DiagnosticDescriptors.UseBitwiseOperationInsteadOfHasFlagMethod,
invocation.GetLocation());
}
if (RemoveRedundantToStringCallRefactoring.CanRefactor(invocation, context.SemanticModel, context.CancellationToken))
{
var memberAccess = (MemberAccessExpressionSyntax)expression;
TextSpan span = TextSpan.FromBounds(memberAccess.OperatorToken.Span.Start, invocation.Span.End);
if (!invocation.ContainsDirectives(span))
{
context.ReportDiagnostic(
DiagnosticDescriptors.RemoveRedundantToStringCall,
Location.Create(invocation.SyntaxTree, span));
}
}
if (RemoveRedundantStringToCharArrayCallRefactoring.CanRefactor(invocation, context.SemanticModel, context.CancellationToken))
{
var memberAccess = (MemberAccessExpressionSyntax)invocation.Expression;
TextSpan span = TextSpan.FromBounds(memberAccess.OperatorToken.Span.Start, invocation.Span.End);
if (!invocation.ContainsDirectives(span))
{
context.ReportDiagnostic(
DiagnosticDescriptors.RemoveRedundantStringToCharArrayCall,
Location.Create(invocation.SyntaxTree, span));
}
}
}
