protected override SyntaxNode RemoveAsyncTokenAndFixReturnType(
IMethodSymbol methodSymbolOpt,
SyntaxNode node,
KnownTypes knownTypes
)
{
switch (node)
{
case MethodDeclarationSyntax method:
return(FixMethod(methodSymbolOpt, method, knownTypes));
case LocalFunctionStatementSyntax localFunction:
return(FixLocalFunction(methodSymbolOpt, localFunction, knownTypes));
case AnonymousMethodExpressionSyntax method:
return(RemoveAsyncModifierHelpers.WithoutAsyncModifier(method));
case ParenthesizedLambdaExpressionSyntax lambda:
return(RemoveAsyncModifierHelpers.WithoutAsyncModifier(lambda));
case SimpleLambdaExpressionSyntax lambda:
return(RemoveAsyncModifierHelpers.WithoutAsyncModifier(lambda));
default:
return(node);
}
}
private static SyntaxNode FixMethod(
IMethodSymbol methodSymbol,
MethodDeclarationSyntax method,
KnownTypes knownTypes
)
{
var newReturnType = FixMethodReturnType(methodSymbol, method.ReturnType, knownTypes);
return(RemoveAsyncModifierHelpers.WithoutAsyncModifier(method, newReturnType));
}
private static SyntaxNode FixLocalFunction(
IMethodSymbol methodSymbol,
LocalFunctionStatementSyntax localFunction,
KnownTypes knownTypes
)
{
var newReturnType = FixMethodReturnType(
methodSymbol,
localFunction.ReturnType,
knownTypes
);
return(RemoveAsyncModifierHelpers.WithoutAsyncModifier(localFunction, newReturnType));
}