public static ITranslation For(BinaryExpression binary, ITranslationContext context)
{
switch (binary.NodeType)
{
case Add:
if (binary.Type != typeof(string))
{
break;
}
var operands = new[] { binary.Left, binary.Right };
return(new StringConcatenationTranslation(Add, operands, context));
case Equal:
case NotEqual:
if (StandaloneEqualityComparisonTranslation.TryGetTranslation(binary, context, out var translation))
{
return(translation);
}
break;
}
return(new BinaryTranslation(binary, context));
}
public static bool TryGetTranslation(BinaryExpression comparison, ITranslationContext context, out ITranslation translation)
{
if (IsBooleanConstant(comparison.Right))
{
translation = new StandaloneEqualityComparisonTranslation(
comparison.NodeType,
comparison.Left,
comparison.NodeType,
comparison.Right,
context);
return(true);
}
if (IsBooleanConstant(comparison.Left))
{
translation = new StandaloneEqualityComparisonTranslation(
comparison.NodeType,
comparison.Right,
comparison.NodeType,
comparison.Left,
context);
return(true);
}
translation = null;
return(false);
}
