private MemberSymbol CreateGenericMember(MemberSymbol templateMember, IList <TypeSymbol> typeArguments)
{
TypeSymbol parentType = (TypeSymbol)templateMember.Parent;
TypeSymbol instanceAssociatedType;
if (templateMember.AssociatedType.Type == SymbolType.GenericParameter)
{
GenericParameterSymbol genericParameter = (GenericParameterSymbol)templateMember.AssociatedType;
instanceAssociatedType = typeArguments[genericParameter.Index];
}
else
{
instanceAssociatedType = typeArguments[0];
}
if (templateMember.Type == SymbolType.Indexer)
{
IndexerSymbol templateIndexer = (IndexerSymbol)templateMember;
IndexerSymbol instanceIndexer = new IndexerSymbol(parentType, instanceAssociatedType);
if (templateIndexer.UseScriptIndexer)
{
instanceIndexer.SetScriptIndexer();
}
instanceIndexer.SetVisibility(templateIndexer.Visibility);
return(instanceIndexer);
}
else if (templateMember.Type == SymbolType.Property)
{
PropertySymbol templateProperty = (PropertySymbol)templateMember;
PropertySymbol instanceProperty = new PropertySymbol(templateProperty.Name, parentType, instanceAssociatedType);
if (templateProperty.IsTransformed)
{
instanceProperty.SetTransformedName(templateProperty.GeneratedName);
}
instanceProperty.SetNameCasing(templateProperty.IsCasePreserved);
instanceProperty.SetVisibility(templateProperty.Visibility);
return(instanceProperty);
}
else if (templateMember.Type == SymbolType.Field)
{
FieldSymbol templateField = (FieldSymbol)templateMember;
FieldSymbol instanceField = new FieldSymbol(templateField.Name, parentType, instanceAssociatedType);
if (templateField.IsTransformed)
{
instanceField.SetTransformedName(templateField.GeneratedName);
}
instanceField.SetNameCasing(templateField.IsCasePreserved);
instanceField.SetVisibility(templateField.Visibility);
return(instanceField);
}
else if (templateMember.Type == SymbolType.Method)
{
MethodSymbol templateMethod = (MethodSymbol)templateMember;
MethodSymbol instanceMethod = new MethodSymbol(templateMethod.Name, parentType, instanceAssociatedType);
if (templateMethod.IsAliased)
{
instanceMethod.SetAlias(templateMethod.Alias);
}
else if (templateMethod.IsTransformed)
{
instanceMethod.SetTransformedName(templateMethod.GeneratedName);
}
if (templateMethod.SkipGeneration)
{
instanceMethod.SetSkipGeneration();
}
if (templateMethod.InterfaceMember != null)
{
instanceMethod.SetInterfaceMember(templateMethod.InterfaceMember);
}
instanceMethod.SetNameCasing(templateMethod.IsCasePreserved);
instanceMethod.SetVisibility(templateMethod.Visibility);
return(instanceMethod);
}
Debug.Fail("Unexpected generic member '" + templateMember.Name + " on type '" + ((TypeSymbol)templateMember.Parent).FullName + "'.");
return(null);
}
private void ImportType(MetadataSource mdSource, TypeDefinition type, bool inScriptCoreAssembly, string assemblyScriptNamespace, string assemblyScriptName)
{
if (type.IsPublic == false) {
return;
}
if (inScriptCoreAssembly && (MetadataHelpers.ShouldImportScriptCoreType(type) == false)) {
return;
}
string name = type.Name;
string namespaceName = type.Namespace;
string scriptNamespace = MetadataHelpers.GetScriptNamespace(type);
string scriptName = MetadataHelpers.GetScriptName(type);
if (String.IsNullOrEmpty(scriptNamespace) && (String.IsNullOrEmpty(assemblyScriptNamespace) == false)) {
scriptNamespace = assemblyScriptNamespace;
}
NamespaceSymbol namespaceSymbol = _symbols.GetNamespace(namespaceName);
TypeSymbol typeSymbol = null;
if (type.IsInterface) {
typeSymbol = new InterfaceSymbol(name, namespaceSymbol);
}
else if (MetadataHelpers.IsEnum(type)) {
// NOTE: We don't care about the flags bit on imported enums
// because this is only consumed by the generation logic.
typeSymbol = new EnumerationSymbol(name, namespaceSymbol, /* flags */ false);
if (MetadataHelpers.ShouldUseEnumNames(type)) {
((EnumerationSymbol)typeSymbol).SetNamedValues();
}
else if (MetadataHelpers.ShouldUseEnumValues(type)) {
((EnumerationSymbol)typeSymbol).SetNumericValues();
}
}
else if (MetadataHelpers.IsDelegate(type)) {
typeSymbol = new DelegateSymbol(name, namespaceSymbol);
typeSymbol.SetTransformedName("Function");
}
else {
if (MetadataHelpers.ShouldTreatAsRecordType(type)) {
typeSymbol = new RecordSymbol(name, namespaceSymbol);
}
else {
typeSymbol = new ClassSymbol(name, namespaceSymbol);
string mixinRoot;
if (MetadataHelpers.ShouldGlobalizeMembers(type, out mixinRoot)) {
((ClassSymbol)typeSymbol).SetGlobalMethods(mixinRoot);
}
}
}
if (typeSymbol != null) {
if (type.HasGenericParameters) {
List<GenericParameterSymbol> genericArguments = new List<GenericParameterSymbol>();
foreach (GenericParameter genericParameter in type.GenericParameters) {
GenericParameterSymbol arg =
new GenericParameterSymbol(genericParameter.Position, genericParameter.Name,
/* typeArgument */ true,
_symbols.GlobalNamespace);
genericArguments.Add(arg);
}
typeSymbol.AddGenericParameters(genericArguments);
}
typeSymbol.SetImported(assemblyScriptName);
typeSymbol.SetMetadataToken(type, inScriptCoreAssembly);
bool ignoreNamespace = MetadataHelpers.ShouldIgnoreNamespace(type);
if (ignoreNamespace) {
typeSymbol.SetIgnoreNamespace();
}
typeSymbol.SetPublic();
if (String.IsNullOrEmpty(scriptNamespace) == false) {
typeSymbol.ScriptNamespace = scriptNamespace;
}
if (String.IsNullOrEmpty(scriptName) == false) {
typeSymbol.SetTransformedName(scriptName);
}
namespaceSymbol.AddType(typeSymbol);
_importedTypes.Add(typeSymbol);
}
}
private TypeSymbol ResolveType(TypeReference type)
{
int arrayDimensions = 0;
while (type is ArrayType) {
arrayDimensions++;
type = ((ArrayType)type).ElementType;
}
GenericInstanceType genericType = type as GenericInstanceType;
if (genericType != null) {
type = genericType.ElementType;
}
string name = type.FullName;
if (String.CompareOrdinal(name, "System.ValueType") == 0) {
// Ignore this type - it is the base class for enums, and other primitive types
// but we don't import it since it is not useful in script
return null;
}
TypeSymbol typeSymbol;
GenericParameter genericParameter = type as GenericParameter;
if (genericParameter != null) {
typeSymbol = new GenericParameterSymbol(genericParameter.Position, genericParameter.Name,
(genericParameter.Owner.GenericParameterType == GenericParameterType.Type),
_symbols.GlobalNamespace);
}
else {
typeSymbol = (TypeSymbol)((ISymbolTable)_symbols).FindSymbol(name, null, SymbolFilter.Types);
if (typeSymbol == null) {
_errorHandler.ReportError("Unable to resolve referenced type '" + name +
"'. Make sure all needed assemblies have been explicitly referenced.",
String.Empty);
_resolveError = true;
}
}
if (genericType != null) {
List<TypeSymbol> typeArgs = new List<TypeSymbol>();
foreach (TypeReference argTypeRef in genericType.GenericArguments) {
TypeSymbol argType = ResolveType(argTypeRef);
typeArgs.Add(argType);
}
typeSymbol = _symbols.CreateGenericTypeSymbol(typeSymbol, typeArgs);
Debug.Assert(typeSymbol != null);
}
if (arrayDimensions != 0) {
for (int i = 0; i < arrayDimensions; i++) {
typeSymbol = _symbols.CreateArrayTypeSymbol(typeSymbol);
}
}
return typeSymbol;
}
private void ImportMethods(TypeSymbol typeSymbol)
{
// NOTE: We do not import parameters for imported members.
// Parameters are used in the script model generation phase to populate
// symbol tables, which is not done for imported methods.
TypeDefinition type = (TypeDefinition)typeSymbol.MetadataReference;
foreach (MethodDefinition method in type.Methods) {
if (method.IsSpecialName) {
continue;
}
if (method.IsPrivate || method.IsAssembly || method.IsFamilyAndAssembly) {
continue;
}
string methodName = method.Name;
if (typeSymbol.GetMember(methodName) != null) {
// Ignore if its an overload since we don't care about parameters
// for imported methods, overloaded ctors don't matter.
// We just care about return values pretty much, and existence of the
// method.
continue;
}
TypeSymbol returnType = ResolveType(method.MethodReturnType.ReturnType);
if (returnType == null) {
continue;
}
MethodSymbol methodSymbol = new MethodSymbol(methodName, typeSymbol, returnType);
ImportMemberDetails(methodSymbol, method, method);
if (method.HasGenericParameters) {
List<GenericParameterSymbol> genericArguments = new List<GenericParameterSymbol>();
foreach (GenericParameter genericParameter in method.GenericParameters) {
GenericParameterSymbol arg =
new GenericParameterSymbol(genericParameter.Position, genericParameter.Name,
/* typeArgument */ false,
_symbols.GlobalNamespace);
genericArguments.Add(arg);
}
methodSymbol.AddGenericArguments(genericArguments);
}
if (method.IsAbstract) {
// NOTE: We're ignoring the override scenario - it doesn't matter in terms
// of the compilation and code generation
methodSymbol.SetImplementationState(SymbolImplementationFlags.Abstract);
}
if (MetadataHelpers.ShouldSkipFromScript(method)) {
methodSymbol.SetSkipGeneration();
}
if ((methodSymbol.Visibility & MemberVisibility.Static) != 0) {
string alias = MetadataHelpers.GetScriptAlias(method);
if (String.IsNullOrEmpty(alias) == false) {
methodSymbol.SetAlias(alias);
}
}
ICollection<string> conditions;
if (MetadataHelpers.ShouldTreatAsConditionalMethod(method, out conditions)) {
methodSymbol.SetConditions(conditions);
}
typeSymbol.AddMember(methodSymbol);
}
}
