protected override ImmutableArray <ParameterInfo> GetParameterInfos(
InvocationExpressionSyntax node,
IMethodSymbol symbol)
{
bool isReduced = symbol.MethodKind == MethodKind.ReducedExtension;
ImmutableArray <IParameterSymbol> parameters = symbol.Parameters;
List <ParameterInfo> parameterInfos = null;
SeparatedSyntaxList <ArgumentSyntax> arguments = node.ArgumentList.Arguments;
foreach (ArgumentSyntax argument in arguments)
{
IParameterSymbol parameterSymbol = DetermineParameterHelper.DetermineParameter(argument, arguments, parameters);
if (parameterSymbol != null)
{
var parameterInfo = new ParameterInfo(parameterSymbol, argument.Expression);
(parameterInfos ??= new List <ParameterInfo>()).Add(parameterInfo);
}
else
{
return(default);
public static ImmutableArray <ITypeSymbol> DetermineParameterTypes(
ArgumentSyntax argument,
SemanticModel semanticModel,
CancellationToken cancellationToken = default(CancellationToken))
{
return(DetermineParameterHelper.DetermineParameterTypes(argument, semanticModel, cancellationToken));
}
public static IParameterSymbol DetermineParameter(
this SemanticModel semanticModel,
AttributeArgumentSyntax attributeArgument,
bool allowParams = false,
bool allowCandidate = false,
CancellationToken cancellationToken = default(CancellationToken))
{
return(DetermineParameterHelper.DetermineParameter(attributeArgument, semanticModel, allowParams, allowCandidate, cancellationToken));
}
protected override ImmutableArray <ParameterInfo> GetParameterInfos(
InvocationExpressionSyntax node,
IMethodSymbol symbol)
{
bool isReduced = symbol.MethodKind == MethodKind.ReducedExtension;
ImmutableArray <IParameterSymbol> parameters = symbol.Parameters;
List <ParameterInfo> parameterInfos = null;
SeparatedSyntaxList <ArgumentSyntax> arguments = node.ArgumentList.Arguments;
foreach (ArgumentSyntax argument in arguments)
{
IParameterSymbol parameterSymbol = DetermineParameterHelper.DetermineParameter(argument, arguments, parameters);
if (parameterSymbol != null)
{
var parameterInfo = new ParameterInfo(parameterSymbol, argument.Expression);
(parameterInfos ?? (parameterInfos = new List <ParameterInfo>())).Add(parameterInfo);
}
else
{
return(default(ImmutableArray <ParameterInfo>));
}
}
foreach (IParameterSymbol parameterSymbol in parameters)
{
if (parameterInfos == null ||
parameterInfos.FindIndex(f => f.ParameterSymbol.Equals(parameterSymbol)) == -1)
{
if (parameterSymbol.HasExplicitDefaultValue)
{
var parameterInfo = new ParameterInfo(parameterSymbol, null);
(parameterInfos ?? (parameterInfos = new List <ParameterInfo>())).Add(parameterInfo);
}
else
{
return(default(ImmutableArray <ParameterInfo>));
}
}
}
if (isReduced)
{
var memberAccess = (MemberAccessExpressionSyntax)node.Expression;
ExpressionSyntax expression = memberAccess.Expression;
SyntaxNode nodeIncludingConditionalAccess = node.WalkUp(SyntaxKind.ConditionalAccessExpression);
if (nodeIncludingConditionalAccess != node)
{
int startIndex = expression.Span.End - nodeIncludingConditionalAccess.SpanStart;
expression = SyntaxFactory.ParseExpression(nodeIncludingConditionalAccess.ToString().Remove(startIndex));
}
var parameterInfo = new ParameterInfo(symbol.ReducedFrom.Parameters[0], expression.TrimTrivia(), isThis: true);
(parameterInfos ?? (parameterInfos = new List <ParameterInfo>())).Add(parameterInfo);
}
return((parameterInfos != null)
? parameterInfos.ToImmutableArray()
: ImmutableArray <ParameterInfo> .Empty);
}
protected override ImmutableArray <ParameterInfo> GetParameterInfos(
InvocationExpressionSyntax node,
IMethodSymbol symbol)
{
bool isReduced = symbol.MethodKind == MethodKind.ReducedExtension;
if (isReduced)
{
symbol = symbol.GetConstructedReducedFrom();
}
ImmutableArray <IParameterSymbol> parameters = symbol.Parameters;
if (isReduced)
{
parameters = parameters.RemoveAt(0);
}
List <ParameterInfo> parameterInfos = null;
SeparatedSyntaxList <ArgumentSyntax> arguments = node.ArgumentList.Arguments;
foreach (ArgumentSyntax argument in arguments)
{
IParameterSymbol parameterSymbol = DetermineParameterHelper.DetermineParameter(argument, arguments, parameters);
if (parameterSymbol != null)
{
var parameterInfo = new ParameterInfo(parameterSymbol, argument.Expression);
(parameterInfos ?? (parameterInfos = new List <ParameterInfo>())).Add(parameterInfo);
}
else
{
return(default(ImmutableArray <ParameterInfo>));
}
}
foreach (IParameterSymbol parameterSymbol in parameters)
{
if (parameterInfos == null ||
parameterInfos.FindIndex(f => f.ParameterSymbol.Equals(parameterSymbol)) == -1)
{
if (parameterSymbol.HasExplicitDefaultValue)
{
var parameterInfo = new ParameterInfo(parameterSymbol, null);
(parameterInfos ?? (parameterInfos = new List <ParameterInfo>())).Add(parameterInfo);
}
else
{
return(default(ImmutableArray <ParameterInfo>));
}
}
}
if (isReduced)
{
var memberAccess = (MemberAccessExpressionSyntax)node.Expression;
var parameterInfo = new ParameterInfo(symbol.Parameters[0], memberAccess.Expression.TrimTrivia());
(parameterInfos ?? (parameterInfos = new List <ParameterInfo>())).Add(parameterInfo);
}
return((parameterInfos != null)
? parameterInfos.ToImmutableArray()
: ImmutableArray <ParameterInfo> .Empty);
}