private JsStatement GenerateResourcesClass(JsClass c)
{
var fields = c.StaticInitStatements
.OfType <JsExpressionStatement>()
.Select(s => s.Expression)
.OfType <JsBinaryExpression>()
.Where(expr => expr.NodeType == ExpressionNodeType.Assign && expr.Left is JsMemberAccessExpression)
.Select(expr => new { Name = ((JsMemberAccessExpression)expr.Left).MemberName, Value = expr.Right });
return(new JsVariableDeclarationStatement(_namer.GetTypeVariableName(_metadataImporter.GetTypeSemantics(c.CSharpTypeDefinition).Name), JsExpression.ObjectLiteral(fields.Select(f => new JsObjectLiteralProperty(f.Name, f.Value)))));
}
public override JsExpression VisitTypeReferenceExpression(JsTypeReferenceExpression expression, object data)
{
var sem = _metadataImporter.GetTypeSemantics(expression.Type);
if (sem.Type != TypeScriptSemantics.ImplType.NormalType)
{
throw new ArgumentException("The type " + expression.Type.FullName + " appears in the output stage but is not a normal type.");
}
if (IsLocalReference(expression.Type))
{
if (string.IsNullOrEmpty(sem.Name))
{
return(JsExpression.Identifier("exports")); // Referencing a [GlobalMethods] type. Since it was not handled in the member expression, we must be in a module, which means that the function should exist on the exports object.
}
// For types in our own assembly, we can use the $TYPE variable in the pattern "var $TYPE = function() {} ... Type.registerClass(global, 'The.Name', $TYPE)"
return(JsExpression.Identifier(_namer.GetTypeVariableName(_metadataImporter.GetTypeSemantics(expression.Type).Name)));
}
string moduleName = _metadataImporter.GetModuleName(expression.Type);
var parts = sem.Name.Split('.');
JsExpression result;
if (moduleName != null)
{
result = JsExpression.Identifier(GetModuleAlias(moduleName));
if (!string.IsNullOrEmpty(sem.Name)) // Test for [GlobalMethods] types.
{
result = JsExpression.Member(result, parts[0]);
}
}
else
{
result = JsExpression.Identifier(parts[0]);
}
for (int i = 1; i < parts.Length; i++)
{
result = JsExpression.Member(result, parts[i]);
}
return(result);
}
public IList <JsStatement> Rewrite(IEnumerable <JsType> types, ICompilation compilation)
{
var netSystemType = compilation.FindType(KnownTypeCode.Type).GetDefinition();
var systemType = new JsTypeReferenceExpression(netSystemType.ParentAssembly, _metadataImporter.GetTypeSemantics(netSystemType).Name);
var result = new List <JsStatement>();
var orderedTypes = OrderByNamespace(types, t => t.Name).ToList();
string currentNs = "";
foreach (var t in orderedTypes)
{
try {
var globalMethodsPrefix = _metadataImporter.GetGlobalMethodsPrefix(t.CSharpTypeDefinition);
string ns = GetNamespace(t.Name);
if (ns != currentNs && globalMethodsPrefix == null)
{
result.Add(new JsExpressionStatement(JsExpression.Invocation(JsExpression.MemberAccess(systemType, RegisterNamespace), JsExpression.String(ns))));
currentNs = ns;
}
result.Add(new JsComment("//////////////////////////////////////////////////////////////////////////////" + Environment.NewLine + " " + t.CSharpTypeDefinition.FullName));
var typeRef = new JsTypeReferenceExpression(compilation.MainAssembly, t.Name);
if (t is JsClass)
{
var c = (JsClass)t;
if (globalMethodsPrefix != null)
{
if (globalMethodsPrefix == "")
{
result.AddRange(c.StaticMethods.Select(m => new JsExpressionStatement(JsExpression.Binary(ExpressionNodeType.Assign, JsExpression.MemberAccess(JsExpression.Identifier("window"), m.Name), m.Definition))));
}
else
{
result.AddRange(c.StaticMethods.Select(m => new JsExpressionStatement(JsExpression.Assign(MakeNestedMemberAccess(globalMethodsPrefix + "." + m.Name), m.Definition))));
}
}
else if (_metadataImporter.IsResources(t.CSharpTypeDefinition))
{
result.Add(GenerateResourcesClass(c));
}
else
{
var unnamedCtor = c.UnnamedConstructor ?? JsExpression.FunctionDefinition(new string[0], JsBlockStatement.EmptyStatement);
if (c.TypeArgumentNames.Count == 0)
{
result.Add(new JsExpressionStatement(JsExpression.Assign(typeRef, unnamedCtor)));
AddClassMembers(c, typeRef, compilation, result);
}
else
{
var stmts = new List <JsStatement> {
new JsVariableDeclarationStatement(InstantiatedGenericTypeVariableName, unnamedCtor)
};
AddClassMembers(c, JsExpression.Identifier(InstantiatedGenericTypeVariableName), compilation, stmts);
stmts.AddRange(c.StaticInitStatements);
stmts.Add(new JsReturnStatement(JsExpression.Identifier(InstantiatedGenericTypeVariableName)));
result.Add(new JsExpressionStatement(JsExpression.Assign(typeRef, JsExpression.FunctionDefinition(c.TypeArgumentNames, new JsBlockStatement(stmts)))));
result.Add(new JsExpressionStatement(JsExpression.Invocation(JsExpression.MemberAccess(typeRef, c.ClassType == JsClass.ClassTypeEnum.Interface ? RegisterGenericInterface : RegisterGenericClass), JsExpression.String(c.Name), JsExpression.Number(c.TypeArgumentNames.Count))));
}
}
}
else if (t is JsEnum)
{
var e = (JsEnum)t;
bool flags = GetAttributePositionalArgs(t.CSharpTypeDefinition, FlagsAttribute, "System") != null;
result.Add(new JsExpressionStatement(JsExpression.Assign(typeRef, JsExpression.FunctionDefinition(new string[0], JsBlockStatement.EmptyStatement))));
result.Add(new JsExpressionStatement(JsExpression.Assign(JsExpression.MemberAccess(typeRef, Prototype), JsExpression.ObjectLiteral(e.Values.Select(v => new JsObjectLiteralProperty(v.Name, (_metadataImporter.IsNamedValues(t.CSharpTypeDefinition) ? JsExpression.String(v.Name) : JsExpression.Number(v.Value))))))));
result.Add(new JsExpressionStatement(JsExpression.Invocation(JsExpression.MemberAccess(typeRef, RegisterEnum), JsExpression.String(t.Name), JsExpression.Boolean(flags))));
}
}
catch (Exception ex) {
_errorReporter.Region = t.CSharpTypeDefinition.Region;
_errorReporter.InternalError(ex, "Error formatting type " + t.CSharpTypeDefinition.FullName);
}
}
var typesToRegister = orderedTypes.OfType <JsClass>()
.Where(c => c.TypeArgumentNames.Count == 0 &&
_metadataImporter.GetGlobalMethodsPrefix(c.CSharpTypeDefinition) == null &&
!_metadataImporter.IsResources(c.CSharpTypeDefinition))
.ToList();
result.AddRange(TopologicalSortTypesByInheritance(typesToRegister)
.Select(c => {
try {
var typeRef = new JsTypeReferenceExpression(compilation.MainAssembly, c.Name);
if (c.ClassType == JsClass.ClassTypeEnum.Interface)
{
return(JsExpression.Invocation(JsExpression.MemberAccess(typeRef, RegisterInterface), JsExpression.String(c.Name), JsExpression.ArrayLiteral(c.ImplementedInterfaces)));
}
else
{
return(CreateRegisterClassCall(JsExpression.String(c.Name), c.BaseClass, c.ImplementedInterfaces, typeRef));
}
}
catch (Exception ex) {
_errorReporter.Region = c.CSharpTypeDefinition.Region;
_errorReporter.InternalError(ex, "Error formatting type " + c.CSharpTypeDefinition.FullName);
return(JsExpression.Number(0));
}
})
.Select(expr => new JsExpressionStatement(expr)));
result.AddRange(orderedTypes.OfType <JsClass>().Where(c => c.TypeArgumentNames.Count == 0 && !_metadataImporter.IsResources(c.CSharpTypeDefinition)).SelectMany(t => t.StaticInitStatements));
return(result);
}
public JsExpression GetScriptType(IType type, TypeContext context)
{
if (type.TypeParameterCount > 0 && !(type is ParameterizedType) && context == TypeContext.TypeOf)
{
// This handles open generic types ( typeof(C<,>) )
return(_createTypeReferenceExpression(type.GetDefinition().ToTypeReference()));
}
else if (type.Kind == TypeKind.Enum && (context == TypeContext.CastTarget || context == TypeContext.InvokeConstructor))
{
var def = type.GetDefinition();
return(_createTypeReferenceExpression(def.EnumUnderlyingType.ToTypeReference()));
}
else if (type.Kind == TypeKind.Array)
{
return(_createTypeReferenceExpression(KnownTypeReference.Array));
}
else if (type.Kind == TypeKind.Delegate)
{
return(_createTypeReferenceExpression(KnownTypeReference.Delegate));
}
else if (type is ITypeParameter)
{
return(JsExpression.Identifier(_getTypeParameterName((ITypeParameter)type)));
}
else if (type is ParameterizedType)
{
var pt = (ParameterizedType)type;
var def = pt.GetDefinition();
var sem = _metadataImporter.GetTypeSemantics(def);
if (sem.Type == TypeScriptSemantics.ImplType.NormalType && !sem.IgnoreGenericArguments)
{
return(JsExpression.Invocation(JsExpression.MemberAccess(_createTypeReferenceExpression(KnownTypeReference.Type), "makeGenericType"), _createTypeReferenceExpression(type.GetDefinition().ToTypeReference()), JsExpression.ArrayLiteral(pt.TypeArguments.Select(a => GetScriptType(a, TypeContext.GenericArgument)))));
}
else
{
return(GetScriptType(def, context));
}
}
else if (type is ITypeDefinition)
{
var td = (ITypeDefinition)type;
if (_metadataImporter.IsSerializable(td) && (context == TypeContext.CastTarget || context == TypeContext.Inheritance))
{
return(null);
}
else if (!_metadataImporter.IsRealType(td))
{
if (context == TypeContext.CastTarget || context == TypeContext.Inheritance)
{
return(null);
}
else
{
return(_createTypeReferenceExpression(KnownTypeReference.Object));
}
}
else
{
var sem = _metadataImporter.GetTypeSemantics(td);
var jsref = _createTypeReferenceExpression(td.ToTypeReference());
if (td.TypeParameterCount > 0 && !sem.IgnoreGenericArguments)
{
// This handles the case of resolving the current type, eg. to access a static member.
return(JsExpression.Invocation(JsExpression.MemberAccess(_createTypeReferenceExpression(KnownTypeReference.Type), "makeGenericType"), _createTypeReferenceExpression(type.GetDefinition().ToTypeReference()), JsExpression.ArrayLiteral(td.TypeParameters.Select(a => GetScriptType(a, TypeContext.GenericArgument)))));
}
else
{
return(jsref);
}
}
}
else if (type.Kind == TypeKind.Anonymous && context == TypeContext.GenericArgument)
{
return(_createTypeReferenceExpression(KnownTypeReference.Object));
}
else if (type.Kind == TypeKind.Null || type.Kind == TypeKind.Dynamic)
{
return(_createTypeReferenceExpression(KnownTypeReference.Object));
}
else
{
throw new InvalidOperationException("Could not determine the script type for " + type.ToString() + ", context " + context);
}
}