private ITypeSymbol GetInvocationTargetType(int pos, InvocationExpressionSyntax node, IMethodSymbol methodSymbol)
{
ITypeSymbol retval;
var notError = false;
if (node.Expression is MemberAccessExpressionSyntax)
{
retval = this.semanticModel.GetSpeculativeTypeInfo(pos, ((MemberAccessExpressionSyntax)node.Expression).Expression, SpeculativeBindingOption.BindAsExpression).Type;
}
else if (node.Expression is IdentifierNameSyntax || node.Expression is GenericNameSyntax)
{
notError = true;
retval = null;
}
else if (node.Expression is MemberBindingExpressionSyntax)
{
if (node.Parent is ConditionalAccessExpressionSyntax)
{
retval = this.semanticModel.GetSpeculativeTypeInfo(pos, ((ConditionalAccessExpressionSyntax)node.Parent).Expression, SpeculativeBindingOption.BindAsExpression).Type;
}
else if (node.Parent is MemberAccessExpressionSyntax)
{
retval = this.semanticModel.GetSpeculativeTypeInfo(pos, ((MemberAccessExpressionSyntax)node.Parent).Expression, SpeculativeBindingOption.BindAsExpression).Type;
}
else
{
var property = node.Parent?.GetType().GetProperty("Expression");
if (property != null)
{
retval =
this.semanticModel.GetSpeculativeTypeInfo
(pos, (SyntaxNode)property.GetValue(node.Parent), SpeculativeBindingOption.BindAsExpression).Type;
}
else
{
retval = null;
}
}
}
else
{
retval = null;
}
if (retval == null)
{
retval = methodSymbol.ExtensionMethodNormalizingReceiverType();
if (!notError)
{
this.log.LogError($"Unable to determine type of {node.Expression} in {node.SyntaxTree.FilePath} {node.Expression.GetType()} at {node.GetLocation().GetMappedLineSpan()}");
}
}
return(retval);
}
private ITypeSymbol GetInvocationTargetType(int pos, InvocationExpressionSyntax node, IMethodSymbol methodSymbol)
{
ITypeSymbol retval;
var notError = false;
if (node.Expression is MemberAccessExpressionSyntax)
{
retval = this.semanticModel.GetSpeculativeTypeInfo(pos, ((MemberAccessExpressionSyntax)node.Expression).Expression, SpeculativeBindingOption.BindAsExpression).Type;
}
else if (node.Expression is IdentifierNameSyntax)
{
notError = true;
retval = null;
}
else if (node.Expression is MemberBindingExpressionSyntax)
{
if (node.Parent is ConditionalAccessExpressionSyntax)
{
retval = this.semanticModel.GetSpeculativeTypeInfo(pos, ((ConditionalAccessExpressionSyntax)node.Parent).Expression, SpeculativeBindingOption.BindAsExpression).Type;
}
else if (node.Parent is MemberAccessExpressionSyntax)
{
retval = this.semanticModel.GetSpeculativeTypeInfo(pos, ((MemberAccessExpressionSyntax)node.Parent).Expression, SpeculativeBindingOption.BindAsExpression).Type;
}
else
{
var property = node.Parent?.GetType().GetProperty("Expression");
if (property != null)
{
retval =
this.semanticModel.GetSpeculativeTypeInfo
(pos, (SyntaxNode)property.GetValue(node.Parent), SpeculativeBindingOption.BindAsExpression).Type;
}
else
{
retval = null;
}
}
}
else
{
retval = null;
}
if (retval == null)
{
retval = methodSymbol.ExtensionMethodNormalizingReceiverType();
if (!notError)
{
this.log.LogError($"Unable to determine type of {node.Expression} in {node.SyntaxTree.FilePath} {node.Expression.GetType()} at {node.GetLocation().GetMappedLineSpan()}");
}
}
return retval;
}
