private ExpressionSyntax AddExplicitConversion(Microsoft.CodeAnalysis.VisualBasic.Syntax.ExpressionSyntax vbNode, ExpressionSyntax csNode,
ITypeSymbol vbConvertedType, TypeConversionKind conversionKind, bool addParenthesisIfNeeded)
{
switch (conversionKind)
{
case TypeConversionKind.Unknown:
case TypeConversionKind.Identity:
return(addParenthesisIfNeeded ? VbSyntaxNodeExtensions.ParenthesizeIfPrecedenceCouldChange(vbNode, csNode) : csNode);
case TypeConversionKind.Implicit:
return(ValidSyntaxFactory.CastExpression(_semanticModel.GetCsTypeSyntax(vbConvertedType, vbNode), csNode));
case TypeConversionKind.Explicit:
return(AddExplicitConvertTo(vbNode, csNode, vbConvertedType));
default:
throw new ArgumentOutOfRangeException();
}
}
private TypeSyntax GetTypeSyntax(VariableDeclaratorSyntax declarator, bool preferExplicitType)
{
if (!preferExplicitType)
{
return(CreateVarTypeName());
}
var typeInf = _semanticModel.GetTypeInfo(declarator.Initializer.Value);
if (typeInf.ConvertedType == null)
{
return(CreateVarTypeName());
}
return(_semanticModel.GetCsTypeSyntax(typeInf.ConvertedType, declarator));
}