private async Task <ExpressionSyntax> ConvertToLikeOperatorAsync(VBSyntax.BinaryExpressionSyntax node, KnownMethod member)
{
var(lhs, rhs) = await AcceptSidesAsync(node);
var compareText = ValidSyntaxFactory.MemberAccess("CompareMethod", _visualBasicEqualityComparison.OptionCompareTextCaseInsensitive ? "Text" : "Binary");
_visualBasicEqualityComparison.ExtraUsingDirectives.Add("Microsoft.VisualBasic");
return(member.Invoke(_visualBasicEqualityComparison.ExtraUsingDirectives, lhs, rhs, compareText));
}
private async Task <ExpressionSyntax> ConvertToObjectComparisonOperatorAsync(VBSyntax.BinaryExpressionSyntax node, KnownMethod member)
{
var(lhs, rhs) = await AcceptSidesAsync(node);
member = (member.Import, member.TypeName, "Conditional" + member.MethodName); //The VB compiler would late bind, but this should provide identical results in most cases I think
var optionaCompareTextBoolLiteralExpression = _visualBasicEqualityComparison.OptionCompareTextCaseInsensitiveBoolExpression;
return(member.Invoke(_visualBasicEqualityComparison.ExtraUsingDirectives, lhs, rhs, optionaCompareTextBoolLiteralExpression));
}
private async Task <ExpressionSyntax> ConvertToStringComparisonOperatorAsync(VBSyntax.BinaryExpressionSyntax node, SyntaxKind expressionKind)
{
var(lhs, rhs) = await AcceptSidesAsync(node);
lhs = VisualBasicEqualityComparison.VbCoerceToString(lhs, _semanticModel.GetTypeInfo(node.Left));
rhs = VisualBasicEqualityComparison.VbCoerceToString(rhs, _semanticModel.GetTypeInfo(node.Right));
var member = new KnownMethod(_compilerServices, _operators, "CompareString");
var optionaCompareTextBoolLiteralExpression = _visualBasicEqualityComparison.OptionCompareTextCaseInsensitiveBoolExpression;
var comparedLhs = member.Invoke(_visualBasicEqualityComparison.ExtraUsingDirectives, lhs, rhs, optionaCompareTextBoolLiteralExpression);
return(SyntaxFactory.BinaryExpression(expressionKind, comparedLhs, LiteralConversions.GetLiteralExpression(0)));
}
private async Task <ExpressionSyntax> ConvertToMethodAsync(VBSyntax.BinaryExpressionSyntax node, KnownMethod member)
{
var(lhs, rhs) = await AcceptSidesAsync(node);
return(member.Invoke(_visualBasicEqualityComparison.ExtraUsingDirectives, lhs, rhs));
}