//TODO: Investigate removing these.
private void ImportPseudoMembers(PseudoClassMembers memberSet, ClassSymbol classSymbol)
{
// Import pseudo members that go on the class but aren't defined in mscorlib.dll
// These are meant to be used by internal compiler-generated transformations etc.
// and aren't meant to be referenced directly in C# code.
if (memberSet == PseudoClassMembers.Script)
{
AddScriptSymbolPseudoMembers(classSymbol);
return;
}
if (memberSet == PseudoClassMembers.Arguments)
{
TypeSymbol objectType =
(TypeSymbol)((ISymbolTable)symbols.SystemNamespace).FindSymbol(nameof(Object), null,
SymbolFilter.Types);
Debug.Assert(objectType != null);
IndexerSymbol indexer = new IndexerSymbol(classSymbol, objectType,
MemberVisibility.Public | MemberVisibility.Static);
indexer.SetScriptIndexer();
classSymbol.AddMember(indexer);
return;
}
if (memberSet == PseudoClassMembers.Dictionary)
{
TypeSymbol intType =
(TypeSymbol)((ISymbolTable)symbols.SystemNamespace).FindSymbol(nameof(Int32), null, SymbolFilter.Types);
Debug.Assert(intType != null);
TypeSymbol stringType =
(TypeSymbol)((ISymbolTable)symbols.SystemNamespace).FindSymbol(nameof(String), null,
SymbolFilter.Types);
Debug.Assert(stringType != null);
// Define Dictionary.Keys
MethodSymbol getKeysMethod = new MethodSymbol("GetKeys", classSymbol,
symbols.CreateArrayTypeSymbol(stringType), MemberVisibility.Public | MemberVisibility.Static);
getKeysMethod.SetTransformName(DSharpStringResources.ScriptExportMember("keys"));
classSymbol.AddMember(getKeysMethod);
// Define Dictionary.Values
MethodSymbol getValuesMethod = new MethodSymbol("GetValues", classSymbol,
symbols.CreateArrayTypeSymbol(stringType), MemberVisibility.Public | MemberVisibility.Static);
getValuesMethod.SetTransformName(DSharpStringResources.ScriptExportMember("values"));
classSymbol.AddMember(getValuesMethod);
// Define Dictionary.GetCount
MethodSymbol countMethod = new MethodSymbol("GetKeyCount", classSymbol, intType,
MemberVisibility.Public | MemberVisibility.Static);
countMethod.SetTransformName(DSharpStringResources.ScriptExportMember("keyCount"));
classSymbol.AddMember(countMethod);
}
}
private void ImportProperties(TypeSymbol typeSymbol)
{
TypeDefinition type = (TypeDefinition)typeSymbol.MetadataReference;
foreach (PropertyDefinition property in type.Properties)
{
if (property.IsSpecialName)
{
continue;
}
if (property.GetMethod == null)
{
continue;
}
if (property.GetMethod.IsPrivate || property.GetMethod.IsAssembly ||
property.GetMethod.IsFamilyAndAssembly)
{
continue;
}
string propertyName = property.Name;
bool scriptField = MetadataHelpers.ShouldTreatAsScriptField(property);
// TODO: Why are we ignoring the other bits...
// bool dummyPreserveName;
// bool preserveCase;
// string dummyName = MetadataHelpers.GetScriptName(property, out dummyPreserveName, out preserveCase);
TypeSymbol propertyType = ResolveType(property.PropertyType);
if (propertyType == null)
{
continue;
}
PropertySymbol propertySymbol = null;
if (property.Parameters.Count != 0)
{
IndexerSymbol indexerSymbol = new IndexerSymbol(typeSymbol, propertyType);
ImportMemberDetails(indexerSymbol, property.GetMethod, property);
if (scriptField)
{
indexerSymbol.SetScriptIndexer();
}
propertySymbol = indexerSymbol;
// propertySymbol.SetNameCasing(preserveCase);
}
else
{
if (scriptField)
{
// Properties marked with this attribute are to be thought of as
// fields. If they are read-only, the C# compiler will enforce that,
// so we don't have to worry about making them read-write via a field
// instead of a property
FieldSymbol fieldSymbol = new FieldSymbol(propertyName, typeSymbol, propertyType);
ImportMemberDetails(fieldSymbol, property.GetMethod, property);
string transformedName = MetadataHelpers.GetTransformedName(property);
if (string.IsNullOrEmpty(transformedName) == false)
{
fieldSymbol.SetTransformName(transformedName);
}
typeSymbol.AddMember(fieldSymbol);
}
else
{
propertySymbol = new PropertySymbol(propertyName, typeSymbol, propertyType);
ImportMemberDetails(propertySymbol, property.GetMethod, property);
propertySymbol.SetNameCasing(true);
string transformedName = MetadataHelpers.GetTransformedName(property.GetMethod);
if (string.IsNullOrEmpty(transformedName) == false)
{
propertySymbol.SetTransformedName(transformedName);
}
}
}
if (propertySymbol != null)
{
SymbolImplementationFlags implFlags = SymbolImplementationFlags.Regular;
if (property.SetMethod == null)
{
implFlags |= SymbolImplementationFlags.ReadOnly;
}
if (property.GetMethod.IsAbstract)
{
implFlags |= SymbolImplementationFlags.Abstract;
}
propertySymbol.SetImplementationState(implFlags);
typeSymbol.AddMember(propertySymbol);
}
}
}
private void ImportPseudoMembers(PseudoClassMembers memberSet, ClassSymbol classSymbol)
{
// Import pseudo members that go on the class but aren't defined in mscorlib.dll
// These are meant to be used by internal compiler-generated transformations etc.
// and aren't meant to be referenced directly in C# code.
if (memberSet == PseudoClassMembers.Script)
{
TypeSymbol objectType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("Object", null, SymbolFilter.Types);
Debug.Assert(objectType != null);
TypeSymbol stringType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("String", null, SymbolFilter.Types);
Debug.Assert(stringType != null);
TypeSymbol boolType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("Boolean", null, SymbolFilter.Types);
Debug.Assert(boolType != null);
TypeSymbol dateType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("Date", null, SymbolFilter.Types);
Debug.Assert(dateType != null);
// Enumerate - IEnumerable.GetEnumerator gets mapped to this
MethodSymbol enumerateMethod = new MethodSymbol("Enumerate", classSymbol, objectType, MemberVisibility.Public | MemberVisibility.Static);
enumerateMethod.SetAlias("ss.enumerate");
enumerateMethod.AddParameter(new ParameterSymbol("obj", enumerateMethod, objectType, ParameterMode.In));
classSymbol.AddMember(enumerateMethod);
// TypeName - Type.Name gets mapped to this
MethodSymbol typeNameMethod = new MethodSymbol("GetTypeName", classSymbol, stringType, MemberVisibility.Public | MemberVisibility.Static);
typeNameMethod.SetAlias("ss.typeName");
typeNameMethod.AddParameter(new ParameterSymbol("obj", typeNameMethod, objectType, ParameterMode.In));
classSymbol.AddMember(typeNameMethod);
// CompareDates - Date equality checks get converted to call to compareDates
MethodSymbol compareDatesMethod = new MethodSymbol("CompareDates", classSymbol, boolType, MemberVisibility.Public | MemberVisibility.Static);
compareDatesMethod.SetAlias("ss.compareDates");
compareDatesMethod.AddParameter(new ParameterSymbol("d1", compareDatesMethod, dateType, ParameterMode.In));
compareDatesMethod.AddParameter(new ParameterSymbol("d2", compareDatesMethod, dateType, ParameterMode.In));
classSymbol.AddMember(compareDatesMethod);
return;
}
if (memberSet == PseudoClassMembers.Arguments)
{
TypeSymbol objectType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("Object", null, SymbolFilter.Types);
Debug.Assert(objectType != null);
IndexerSymbol indexer = new IndexerSymbol(classSymbol, objectType, MemberVisibility.Public | MemberVisibility.Static);
indexer.SetScriptIndexer();
classSymbol.AddMember(indexer);
return;
}
if (memberSet == PseudoClassMembers.Dictionary)
{
TypeSymbol intType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("Int32", null, SymbolFilter.Types);
Debug.Assert(intType != null);
TypeSymbol stringType = (TypeSymbol)((ISymbolTable)_symbols.SystemNamespace).FindSymbol("String", null, SymbolFilter.Types);
Debug.Assert(stringType != null);
// Define Dictionary.Keys
MethodSymbol getKeysMethod = new MethodSymbol("GetKeys", classSymbol, _symbols.CreateArrayTypeSymbol(stringType), MemberVisibility.Public | MemberVisibility.Static);
getKeysMethod.SetAlias("ss.keys");
classSymbol.AddMember(getKeysMethod);
// Define Dictionary.GetCount
MethodSymbol countMethod = new MethodSymbol("GetKeyCount", classSymbol, intType, MemberVisibility.Public | MemberVisibility.Static);
countMethod.SetAlias("ss.keyCount");
classSymbol.AddMember(countMethod);
return;
}
}
