static string ComplexObjectToPseudoCode(ExpressionToCodeConfiguration config, object?val, int indent, int valueSize)
{
var retval = ObjectToCode.PlainObjectToCode(val);
if (val is string)
{
return(ElidePossiblyMultilineString(config, retval ?? throw new InvalidOperationException("retval cannot be null for strings"), indent, valueSize).Trim());
}
else if (retval != null)
{
return(ElideAfter(retval, valueSize));
}
else if (val == null)
{
throw new Exception("Impossible: if val is null, retval cannot be");
}
else if (val is Array arrayVal)
{
return("new[] " + FormatEnumerable(config, arrayVal, indent, valueSize - 6));
}
else if (val is IEnumerable enumerableVal)
{
return(FormatTypeWithListInitializerOrNull(config, val, indent, valueSize, enumerableVal) ?? FormatEnumerable(config, enumerableVal, indent, valueSize));
}
else if (val is Expression exprVal)
{
return(ElideAfter(config.GetExpressionToCode().ToCode(exprVal), valueSize));
}
else if (val is IStructuralComparable tuple && val is IComparable && CSharpFriendlyTypeName.IsValueTupleType(val.GetType().GetTypeInfo()))
{
var collector = new NastyHackyTupleCollector();
tuple.CompareTo(tuple, collector);
var sb = new StringBuilder();
sb.Append("(");
for (var index = 0; index < collector.CollectedObjects.Count; index++)
{
var item = collector.CollectedObjects[index];
var asString = ComplexObjectToPseudoCode(config, item, indent + 4, valueSize);
if (index > 0)
{
sb.Append(", ");
}
sb.Append(asString);
}
sb.Append(")");
return(ElidePossiblyMultilineString(config, sb.ToString(), indent, valueSize).Trim());
}
static string ComplexObjectToPseudoCode(ExpressionToCodeConfiguration config, object val, int indent, int valueSize)
{
var retval = ObjectToCode.PlainObjectToCode(val);
if (val is string)
{
return(ElidePossiblyMultilineString(config, retval, indent, valueSize).Trim());
}
else if (retval != null)
{
return(ElideAfter(retval, valueSize));
}
else if (val is Array arrayVal)
{
return("new[] " + FormatEnumerable(config, arrayVal, indent, valueSize - 6));
}
else if (val is IEnumerable enumerableVal)
{
var type = val.GetType();
if (type.GetConstructor(Type.EmptyTypes) is ConstructorInfo ci && ci.IsPublic)
{
foreach (var pi in type.GetProperties())
{
if (
pi.Name == "Item" &&
pi.CanWrite &&
pi.GetIndexParameters() is ParameterInfo[] indexPars &&
indexPars.Length == 1 &&
typeof(IEnumerable <>).MakeGenericType(typeof(KeyValuePair <,>).MakeGenericType(indexPars[0].ParameterType, pi.PropertyType)) is Type keyEnumerableType &&
keyEnumerableType.IsAssignableFrom(type)
)
{
var typeName = type.ToCSharpFriendlyTypeName();
return("new " + typeName + " " + PrintInitializerContents(config, enumerableVal, indexPars[0].ParameterType, pi.PropertyType, indent, valueSize - typeName.Length));
}
}
}
return(FormatEnumerable(config, enumerableVal, indent, valueSize));
}
else if (val is Expression exprVal)
{
return(ElideAfter(config.GetExpressionToCode().ToCode(exprVal), valueSize));
}
else if (val is IStructuralComparable tuple && val is IComparable && CSharpFriendlyTypeName.IsValueTupleType(val.GetType().GetTypeInfo()))
{
var collector = new NastyHackyTupleCollector();
tuple.CompareTo(tuple, collector);
var sb = new StringBuilder();
sb.Append("(");
for (var index = 0; index < collector.CollectedObjects.Count; index++)
{
var item = collector.CollectedObjects[index];
var asString = ComplexObjectToPseudoCode(config, item, indent + 4, valueSize);
if (index > 0)
{
sb.Append(", ");
}
sb.Append(asString);
}
sb.Append(")");
return(ElidePossiblyMultilineString(config, sb.ToString(), indent, valueSize).Trim());
}
