public static ExpressionSyntax BuildArgValueExpression(object value, string declaredConst, LiteralKind valueType)
{
var kind = Mappings.SyntaxKindFromLiteralKind(valueType, value);
ExpressionSyntax expr = null;
if (valueType == LiteralKind.Boolean)
{
expr = SyntaxFactory.LiteralExpression(kind);
}
else if (valueType == LiteralKind.Null)
{
expr = SyntaxFactory.LiteralExpression(SyntaxKind.NullLiteralExpression);
}
else if (valueType == LiteralKind.Type)
{
var type = value as RDomReferencedType;
if (type == null)
{
throw new InvalidOperationException();
}
var typeSyntax = (TypeSyntax)RDom.CSharp.GetSyntaxGroup(type).First();
expr = SyntaxFactory.TypeOfExpression(typeSyntax);
}
else if (valueType == LiteralKind.Default)
{
var type = value as RDomReferencedType;
if (type == null)
{
throw new InvalidOperationException();
}
var typeSyntax = (TypeSyntax)RDom.CSharp.GetSyntaxGroup(type).First();
expr = SyntaxFactory.DefaultExpression(typeSyntax);
}
else if (valueType == LiteralKind.MemberAccess)
{
var leftExpr = SyntaxFactory.IdentifierName(declaredConst.SubstringBeforeLast("."));
var name = SyntaxFactory.IdentifierName(declaredConst.SubstringAfterLast("."));
expr = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, leftExpr, name);
}
else
{
var token = BuildSyntaxHelpers.GetTokenFromKind(valueType, value);
expr = SyntaxFactory.LiteralExpression((SyntaxKind)kind, token);
}
return(expr);
}
