public virtual string GetAutoPropertyBackingFieldName(IProperty property)
{
return(_prev.GetAutoPropertyBackingFieldName(property));
}
public override void VisitPropertyDeclaration(PropertyDeclaration propertyDeclaration)
{
var resolveResult = _resolver.Resolve(propertyDeclaration);
if (!(resolveResult is MemberResolveResult))
{
_errorReporter.Region = propertyDeclaration.GetRegion();
_errorReporter.InternalError("Property declaration " + propertyDeclaration.Name + " does not resolve to a member.");
return;
}
var property = ((MemberResolveResult)resolveResult).Member as IProperty;
if (property == null)
{
_errorReporter.Region = propertyDeclaration.GetRegion();
_errorReporter.InternalError("Property declaration " + propertyDeclaration.Name + " does not resolve to a property (resolves to " + resolveResult.ToString() + ")");
return;
}
var jsClass = GetJsClass(property.DeclaringTypeDefinition);
if (jsClass == null)
{
return;
}
var impl = _metadataImporter.GetPropertySemantics(property);
switch (impl.Type)
{
case PropertyScriptSemantics.ImplType.GetAndSetMethods: {
if (!property.IsAbstract && propertyDeclaration.Getter.Body.IsNull && propertyDeclaration.Setter.Body.IsNull)
{
// Auto-property
var fieldName = _metadataImporter.GetAutoPropertyBackingFieldName(property);
if (_metadataImporter.ShouldGenerateAutoPropertyBackingField(property))
{
AddDefaultFieldInitializerToType(jsClass, fieldName, property, property.IsStatic);
}
CompileAndAddAutoPropertyMethodsToType(jsClass, property, impl, fieldName);
}
else
{
if (!propertyDeclaration.Getter.IsNull)
{
MaybeCompileAndAddMethodToType(jsClass, propertyDeclaration.Getter, propertyDeclaration.Getter.Body, property.Getter, impl.GetMethod);
}
if (!propertyDeclaration.Setter.IsNull)
{
MaybeCompileAndAddMethodToType(jsClass, propertyDeclaration.Setter, propertyDeclaration.Setter.Body, property.Setter, impl.SetMethod);
}
}
break;
}
case PropertyScriptSemantics.ImplType.Field: {
AddDefaultFieldInitializerToType(jsClass, impl.FieldName, property, property.IsStatic);
break;
}
case PropertyScriptSemantics.ImplType.NotUsableFromScript: {
break;
}
default: {
throw new InvalidOperationException("Invalid property implementation " + impl.Type);
}
}
}
private JsExpression GenerateStructCloneMethod(ITypeDefinition type, string typevarName, bool hasCreateInstance)
{
var stmts = new List <JsStatement>()
{
JsStatement.Var("r", hasCreateInstance ? (JsExpression)JsExpression.Invocation(JsExpression.Member(JsExpression.Identifier(typevarName), "createInstance")) : JsExpression.New(JsExpression.Identifier(typevarName)))
};
var o = JsExpression.Identifier("o");
var r = JsExpression.Identifier("r");
foreach (var f in type.Fields.Where(f => !f.IsStatic))
{
var sem = _metadataImporter.GetFieldSemantics(f);
if (sem.Type == FieldScriptSemantics.ImplType.Field)
{
var def = f.ReturnType.GetDefinition();
JsExpression value = JsExpression.Member(o, sem.Name);
if (def != null && def.Kind == TypeKind.Struct && _metadataImporter.GetTypeSemantics(def).Type == TypeScriptSemantics.ImplType.MutableValueType)
{
value = _runtimeLibrary.CloneValueType(value, f.ReturnType, new DefaultRuntimeContext(type, _metadataImporter, _errorReporter, _namer));
}
stmts.Add(JsExpression.Assign(JsExpression.Member(r, sem.Name), value));
}
}
foreach (var p in type.Properties.Where(p => !p.IsStatic))
{
var sem = _metadataImporter.GetPropertySemantics(p);
if ((sem.Type == PropertyScriptSemantics.ImplType.GetAndSetMethods && MetadataUtils.IsAutoProperty(p) == true) || sem.Type == PropertyScriptSemantics.ImplType.Field)
{
var def = p.ReturnType.GetDefinition();
var fieldName = sem.Type == PropertyScriptSemantics.ImplType.GetAndSetMethods ? _metadataImporter.GetAutoPropertyBackingFieldName(p) : sem.FieldName;
JsExpression value = JsExpression.Member(o, fieldName);
if (def != null && def.Kind == TypeKind.Struct && _metadataImporter.GetTypeSemantics(def).Type == TypeScriptSemantics.ImplType.MutableValueType)
{
value = _runtimeLibrary.CloneValueType(value, p.ReturnType, new DefaultRuntimeContext(type, _metadataImporter, _errorReporter, _namer));
}
stmts.Add(JsExpression.Assign(JsExpression.Member(r, fieldName), value));
}
}
foreach (var e in type.Events.Where(e => !e.IsStatic && MetadataUtils.IsAutoEvent(e) == true))
{
var sem = _metadataImporter.GetEventSemantics(e);
if (sem.Type == EventScriptSemantics.ImplType.AddAndRemoveMethods)
{
var def = e.ReturnType.GetDefinition();
var fieldName = _metadataImporter.GetAutoEventBackingFieldName(e);
JsExpression value = JsExpression.Member(o, fieldName);
if (def != null && def.Kind == TypeKind.Struct && _metadataImporter.GetTypeSemantics(def).Type == TypeScriptSemantics.ImplType.MutableValueType)
{
value = _runtimeLibrary.CloneValueType(value, e.ReturnType, new DefaultRuntimeContext(type, _metadataImporter, _errorReporter, _namer));
}
stmts.Add(JsExpression.Assign(JsExpression.Member(r, fieldName), value));
}
}
stmts.Add(JsStatement.Return(r));
return(JsExpression.FunctionDefinition(new[] { "o" }, JsStatement.Block(stmts)));
}
