private BoundExpression MakeEventAccess(
SyntaxNode syntax,
BoundExpression rewrittenReceiver,
EventSymbol eventSymbol,
ConstantValue constantValueOpt,
LookupResultKind resultKind,
TypeSymbol type)
{
Debug.Assert(eventSymbol.HasAssociatedField);
FieldSymbol fieldSymbol = eventSymbol.AssociatedField;
Debug.Assert((object)fieldSymbol != null);
return(MakeFieldAccess(syntax, rewrittenReceiver, fieldSymbol, constantValueOpt, resultKind, type));
}
private FieldSymbol GetActualInstanceField(Symbol member, NamedTypeSymbol type)
{
if (!member.IsStatic)
{
switch (member.Kind)
{
case SymbolKind.Field:
var field = (FieldSymbol)member;
return((field.IsFixed || ShouldIgnoreStructField(field, field.Type)) ? null : field.AsMember(type));
case SymbolKind.Event:
EventSymbol eventSymbol = (EventSymbol)member;
return((!eventSymbol.HasAssociatedField || ShouldIgnoreStructField(eventSymbol, eventSymbol.Type)) ? null : eventSymbol.AssociatedField.AsMember(type));
}
}
return(null);
}
private void ImportEvents(TypeSymbol typeSymbol)
{
TypeDefinition type = (TypeDefinition)typeSymbol.MetadataReference;
foreach (EventDefinition eventDef in type.Events)
{
if (eventDef.IsSpecialName)
{
continue;
}
if (eventDef.AddMethod == null || eventDef.RemoveMethod == null)
{
continue;
}
if (eventDef.AddMethod.IsPrivate || eventDef.AddMethod.IsAssembly ||
eventDef.AddMethod.IsFamilyAndAssembly)
{
continue;
}
string eventName = eventDef.Name;
TypeSymbol eventHandlerType = ResolveType(eventDef.EventType);
if (eventHandlerType == null)
{
continue;
}
EventSymbol eventSymbol = new EventSymbol(eventName, typeSymbol, eventHandlerType);
ImportMemberDetails(eventSymbol, eventDef.AddMethod, eventDef);
if (MetadataHelpers.GetScriptEventAccessors(eventDef, out string addAccessor, out string removeAccessor))
{
eventSymbol.SetAccessors(addAccessor, removeAccessor);
}
typeSymbol.AddMember(eventSymbol);
}
}
public override string ToString()
{
return(string.Format(CultureInfo.InvariantCulture,
"Candle: {{{0}, " +
"EventFlags: 0x{1:x2}, Index: {2:x16}, " +
"Time: {3:o}, Sequence: {4}, " +
"Open: {5}, High: {6}, Low: {7}, Close: {8}, " +
"Volume: {9}, VWAP: {10}, " +
"BidVolume: {11}, AskVolume: {12}, " +
"OpenInterest: {13}, ImpVolatility: {14} " +
"}}",
EventSymbol.ToString(),
(int)EventFlags, Index,
Time, Sequence,
Open, High, Low, Close,
Volume, VWAP,
BidVolume, AskVolume,
OpenInterest, ImpVolatility
));
}
private static void GenerateEventExpression(ScriptGenerator generator, MemberSymbol symbol, EventExpression expression)
{
ScriptTextWriter writer = generator.Writer;
EventSymbol eventSymbol = expression.Event;
ExpressionGenerator.GenerateExpression(generator, symbol, expression.ObjectReference);
if (eventSymbol.HasCustomAccessors)
{
writer.Write(".");
if (expression.Type == ExpressionType.EventAdd)
{
writer.Write(eventSymbol.AddAccessor);
}
else
{
writer.Write(eventSymbol.RemoveAccessor);
}
writer.Write("('");
writer.Write(expression.Event.GeneratedName);
writer.Write("', ");
ExpressionGenerator.GenerateExpression(generator, symbol, expression.Handler);
writer.Write(")");
}
else
{
if (expression.Type == ExpressionType.EventAdd)
{
writer.Write(".add_");
}
else
{
writer.Write(".remove_");
}
writer.Write(expression.Event.GeneratedName);
writer.Write("(");
ExpressionGenerator.GenerateExpression(generator, symbol, expression.Handler);
writer.Write(")");
}
}
private BoundExpression VisitWindowsRuntimeEventFieldAssignmentOperator(SyntaxNode syntax, BoundEventAccess left, BoundExpression rewrittenRight)
{
Debug.Assert(left.IsUsableAsField);
EventSymbol eventSymbol = left.EventSymbol;
Debug.Assert(eventSymbol.HasAssociatedField);
Debug.Assert(eventSymbol.IsWindowsRuntimeEvent);
BoundExpression rewrittenReceiverOpt = left.ReceiverOpt == null ? null : VisitExpression(left.ReceiverOpt);
const bool isDynamic = false;
return(RewriteWindowsRuntimeEventAssignmentOperator(
syntax,
eventSymbol,
EventAssignmentKind.Assignment,
isDynamic,
rewrittenReceiverOpt,
rewrittenRight));
}
private BoundExpression MakeEventAccess(
SyntaxNode syntax,
BoundExpression rewrittenReceiver,
EventSymbol eventSymbol,
ConstantValue constantValueOpt,
LookupResultKind resultKind,
TypeSymbol type)
{
Debug.Assert(eventSymbol.HasAssociatedField);
FieldSymbol fieldSymbol = eventSymbol.AssociatedField;
Debug.Assert((object)fieldSymbol != null);
if (!eventSymbol.IsWindowsRuntimeEvent)
{
return(MakeFieldAccess(syntax, rewrittenReceiver, fieldSymbol, constantValueOpt, resultKind, type));
}
NamedTypeSymbol fieldType = (NamedTypeSymbol)fieldSymbol.Type;
Debug.Assert(fieldType.Name == "EventRegistrationTokenTable");
// _tokenTable
BoundFieldAccess fieldAccess = new BoundFieldAccess(
syntax,
fieldSymbol.IsStatic ? null : rewrittenReceiver,
fieldSymbol,
constantValueOpt: null)
{
WasCompilerGenerated = true
};
BoundExpression getOrCreateCall;
MethodSymbol getOrCreateMethod;
if (TryGetWellKnownTypeMember(syntax, WellKnownMember.System_Runtime_InteropServices_WindowsRuntime_EventRegistrationTokenTable_T__GetOrCreateEventRegistrationTokenTable, out getOrCreateMethod))
{
getOrCreateMethod = getOrCreateMethod.AsMember(fieldType);
// EventRegistrationTokenTable<Event>.GetOrCreateEventRegistrationTokenTable(ref _tokenTable)
getOrCreateCall = BoundCall.Synthesized(
syntax,
receiverOpt: null,
method: getOrCreateMethod,
arg0: fieldAccess);
}
else
{
getOrCreateCall = new BoundBadExpression(syntax, LookupResultKind.NotInvocable, ImmutableArray <Symbol> .Empty, ImmutableArray.Create <BoundExpression>(fieldAccess), ErrorTypeSymbol.UnknownResultType);
}
PropertySymbol invocationListProperty;
if (TryGetWellKnownTypeMember(syntax, WellKnownMember.System_Runtime_InteropServices_WindowsRuntime_EventRegistrationTokenTable_T__InvocationList, out invocationListProperty))
{
MethodSymbol invocationListAccessor = invocationListProperty.GetMethod;
if ((object)invocationListAccessor == null)
{
string accessorName = SourcePropertyAccessorSymbol.GetAccessorName(invocationListProperty.Name,
getNotSet: true,
isWinMdOutput: invocationListProperty.IsCompilationOutputWinMdObj());
_diagnostics.Add(new CSDiagnosticInfo(ErrorCode.ERR_MissingPredefinedMember, invocationListProperty.ContainingType, accessorName), syntax.Location);
}
else
{
invocationListAccessor = invocationListAccessor.AsMember(fieldType);
return(_factory.Call(getOrCreateCall, invocationListAccessor));
}
}
return(new BoundBadExpression(syntax, LookupResultKind.NotInvocable, ImmutableArray <Symbol> .Empty, ImmutableArray.Create(getOrCreateCall), ErrorTypeSymbol.UnknownResultType));
}
public override bool VisitEvent(EventSymbol symbol)
{
return(AddIfUsesIsNullable(symbol, symbol.Type, inProgress: null));
}
private static void GenerateEvent(ScriptGenerator generator, string typeName, EventSymbol eventSymbol)
{
ScriptTextWriter writer = generator.Writer;
ParameterSymbol valueParameter = eventSymbol.Parameters[0];
string eventName = eventSymbol.GeneratedName;
string fieldName = eventName;
if (eventSymbol.DefaultImplementation)
{
fieldName = "__" + Utility.CreateCamelCaseName(eventSymbol.Name);
Debug.Assert(eventSymbol.Parent.Type == SymbolType.Class);
Symbol fieldSymbol = ((ClassSymbol)eventSymbol.Parent).GetMember(fieldName);
Debug.Assert(fieldSymbol != null && fieldSymbol.Type == SymbolType.Field);
fieldName = fieldSymbol.GeneratedName;
}
string fieldReference;
if ((eventSymbol.Visibility & MemberVisibility.Static) == 0)
{
fieldReference = "this.";
}
else
{
fieldReference = typeName + ".";
}
fieldReference += fieldName;
bool instanceMember = true;
if ((eventSymbol.Visibility & MemberVisibility.Static) != 0)
{
instanceMember = false;
writer.Write(typeName);
writer.Write(".");
}
writer.Write("add_");
writer.Write(eventName);
if (instanceMember)
{
writer.Write(": ");
}
else
{
writer.Write(" = ");
}
writer.Write("function(");
writer.Write(valueParameter.GeneratedName);
writer.WriteLine(") {");
writer.Indent++;
if (generator.Options.EnableDocComments)
{
DocCommentGenerator.GenerateComment(generator, eventSymbol);
}
if (eventSymbol.DefaultImplementation)
{
writer.Write(fieldReference);
writer.Write($" = {DSharpStringResources.ScriptExportMember("bindAdd")}(");
writer.Write(fieldReference);
writer.Write(", ");
writer.Write(valueParameter.GeneratedName);
writer.WriteLine(");");
}
else
{
CodeGenerator.GenerateScript(generator, eventSymbol, /* add */ true);
}
writer.Indent--;
writer.Write("}");
if (instanceMember == false)
{
writer.WriteLine(";");
}
if (instanceMember)
{
writer.WriteLine(",");
}
else
{
writer.Write(typeName);
writer.Write(".");
}
writer.Write("remove_");
writer.Write(eventName);
if (instanceMember)
{
writer.Write(": ");
}
else
{
writer.Write(" = ");
}
writer.Write("function(");
writer.Write(valueParameter.GeneratedName);
writer.WriteLine(") {");
writer.Indent++;
if (generator.Options.EnableDocComments)
{
DocCommentGenerator.GenerateComment(generator, eventSymbol);
}
if (eventSymbol.DefaultImplementation)
{
writer.Write(fieldReference);
writer.Write($" = {DSharpStringResources.ScriptExportMember("bindSub")}(");
writer.Write(fieldReference);
writer.Write(", ");
writer.Write(valueParameter.GeneratedName);
writer.WriteLine(");");
}
else
{
CodeGenerator.GenerateScript(generator, eventSymbol, /* add */ false);
}
writer.Indent--;
writer.Write("}");
if (instanceMember == false)
{
writer.WriteLine(";");
}
}
public override Symbol VisitEvent(EventSymbol symbol)
{
return(this.VisitNamedTypeMember(symbol, AreEventsEqual));
}
protected void ErrAppendEvent(EventSymbol @event, SubstContext pctx)
{
}
private void ErrAppendEvent(EventSymbol @event, SubstContext pctx)
{
}
public virtual TResult VisitEvent(EventSymbol symbol, TArgument argument)
{
return(DefaultVisit(symbol, argument));
}
/// <summary>
/// If we have a WinRT type event, we need to encapsulate the adder call
/// (which returns an EventRegistrationToken) with a call to
/// WindowsRuntimeMarshal.AddEventHandler or RemoveEventHandler, but these
/// require us to create a new Func representing the adder and another
/// Action representing the Remover.
///
/// The rewritten call looks something like:
///
/// WindowsRuntimeMarshal.AddEventHandler<EventHandler>
/// (new Func<EventHandler, EventRegistrationToken>(@object.add),
/// new Action<EventRegistrationToken>(@object.remove), handler);
///
/// Where @object is a compiler-generated local temp if needed.
/// </summary>
/// <remarks>
/// TODO: use or delete isDynamic.
/// </remarks>
private BoundExpression RewriteWindowsRuntimeEventAssignmentOperator(SyntaxNode syntax, EventSymbol eventSymbol, EventAssignmentKind kind, bool isDynamic, BoundExpression rewrittenReceiverOpt, BoundExpression rewrittenArgument)
{
BoundAssignmentOperator tempAssignment = null;
BoundLocal boundTemp = null;
if (!eventSymbol.IsStatic && CanChangeValueBetweenReads(rewrittenReceiverOpt))
{
boundTemp = _factory.StoreToTemp(rewrittenReceiverOpt, out tempAssignment);
}
NamedTypeSymbol tokenType = _factory.WellKnownType(WellKnownType.System_Runtime_InteropServices_WindowsRuntime_EventRegistrationToken);
NamedTypeSymbol marshalType = _factory.WellKnownType(WellKnownType.System_Runtime_InteropServices_WindowsRuntime_WindowsRuntimeMarshal);
NamedTypeSymbol actionType = _factory.WellKnownType(WellKnownType.System_Action_T).Construct(tokenType);
TypeSymbol eventType = eventSymbol.Type;
BoundExpression delegateCreationArgument = boundTemp ?? rewrittenReceiverOpt ?? _factory.Type(eventType);
BoundDelegateCreationExpression removeDelegate = new BoundDelegateCreationExpression(
syntax: syntax,
argument: delegateCreationArgument,
methodOpt: eventSymbol.RemoveMethod,
isExtensionMethod: false,
type: actionType);
BoundExpression clearCall = null;
if (kind == EventAssignmentKind.Assignment)
{
MethodSymbol clearMethod;
if (TryGetWellKnownTypeMember(syntax, WellKnownMember.System_Runtime_InteropServices_WindowsRuntime_WindowsRuntimeMarshal__RemoveAllEventHandlers, out clearMethod))
{
clearCall = MakeCall(
syntax: syntax,
rewrittenReceiver: null,
method: clearMethod,
rewrittenArguments: ImmutableArray.Create <BoundExpression>(removeDelegate),
type: clearMethod.ReturnType);
}
else
{
clearCall = new BoundBadExpression(syntax, LookupResultKind.NotInvocable, ImmutableArray <Symbol> .Empty, ImmutableArray.Create <BoundExpression>(removeDelegate), ErrorTypeSymbol.UnknownResultType);
}
}
ImmutableArray <BoundExpression> marshalArguments;
WellKnownMember helper;
if (kind == EventAssignmentKind.Subtraction)
{
helper = WellKnownMember.System_Runtime_InteropServices_WindowsRuntime_WindowsRuntimeMarshal__RemoveEventHandler_T;
marshalArguments = ImmutableArray.Create <BoundExpression>(removeDelegate, rewrittenArgument);
}
else
{
NamedTypeSymbol func2Type = _factory.WellKnownType(WellKnownType.System_Func_T2).Construct(eventType, tokenType);
BoundDelegateCreationExpression addDelegate = new BoundDelegateCreationExpression(
syntax: syntax,
argument: delegateCreationArgument,
methodOpt: eventSymbol.AddMethod,
isExtensionMethod: false,
type: func2Type);
helper = WellKnownMember.System_Runtime_InteropServices_WindowsRuntime_WindowsRuntimeMarshal__AddEventHandler_T;
marshalArguments = ImmutableArray.Create <BoundExpression>(addDelegate, removeDelegate, rewrittenArgument);
}
BoundExpression marshalCall;
MethodSymbol marshalMethod;
if (TryGetWellKnownTypeMember(syntax, helper, out marshalMethod))
{
marshalMethod = marshalMethod.Construct(eventType);
marshalCall = MakeCall(
syntax: syntax,
rewrittenReceiver: null,
method: marshalMethod,
rewrittenArguments: marshalArguments,
type: marshalMethod.ReturnType);
}
else
{
marshalCall = new BoundBadExpression(syntax, LookupResultKind.NotInvocable, ImmutableArray <Symbol> .Empty, marshalArguments, ErrorTypeSymbol.UnknownResultType);
}
// In this case, we don't need a sequence.
if (boundTemp == null && clearCall == null)
{
return(marshalCall);
}
ImmutableArray <LocalSymbol> tempSymbols = boundTemp == null
? ImmutableArray <LocalSymbol> .Empty
: ImmutableArray.Create <LocalSymbol>(boundTemp.LocalSymbol);
ArrayBuilder <BoundExpression> sideEffects = ArrayBuilder <BoundExpression> .GetInstance(2); //max size
if (clearCall != null)
{
sideEffects.Add(clearCall);
}
if (tempAssignment != null)
{
sideEffects.Add(tempAssignment);
}
Debug.Assert(sideEffects.Any(), "Otherwise, we shouldn't be building a sequence");
return(new BoundSequence(syntax, tempSymbols, sideEffects.ToImmutableAndFree(), marshalCall, marshalCall.Type));
}
public EmbeddedEvent(EventSymbol underlyingEvent, EmbeddedMethod adder, EmbeddedMethod remover) :
base(underlyingEvent, adder, remover, null)
{
}
private bool AreEventsEqual(EventSymbol @event, EventSymbol other)
{
Debug.Assert(NameComparer.Equals(@event.Name, other.Name));
return(this.comparer.Equals(@event.Type, other.Type));
}
private void BuildMembers(TypeSymbol typeSymbol)
{
if (typeSymbol.Type == SymbolType.Delegate)
{
DelegateTypeNode delegateNode = (DelegateTypeNode)typeSymbol.ParseContext;
TypeSymbol returnType = typeSymbol.SymbolSet.ResolveType(delegateNode.ReturnType, _symbolTable, typeSymbol);
Debug.Assert(returnType != null);
if (returnType != null)
{
MethodSymbol invokeMethod = new MethodSymbol("Invoke", typeSymbol, returnType, MemberVisibility.Public);
invokeMethod.SetTransformedName(String.Empty);
// Mark the method as abstract, as there is no actual implementation of the method
// to be generated
invokeMethod.SetImplementationState(SymbolImplementationFlags.Abstract);
typeSymbol.AddMember(invokeMethod);
}
return;
}
CustomTypeNode typeNode = (CustomTypeNode)typeSymbol.ParseContext;
foreach (MemberNode member in typeNode.Members)
{
MemberSymbol memberSymbol = null;
switch (member.NodeType)
{
case ParseNodeType.FieldDeclaration:
case ParseNodeType.ConstFieldDeclaration:
memberSymbol = BuildField((FieldDeclarationNode)member, typeSymbol);
break;
case ParseNodeType.PropertyDeclaration:
memberSymbol = BuildPropertyAsField((PropertyDeclarationNode)member, typeSymbol);
if (memberSymbol == null)
{
memberSymbol = BuildProperty((PropertyDeclarationNode)member, typeSymbol);
}
break;
case ParseNodeType.IndexerDeclaration:
memberSymbol = BuildIndexer((IndexerDeclarationNode)member, typeSymbol);
break;
case ParseNodeType.ConstructorDeclaration:
case ParseNodeType.MethodDeclaration:
if ((member.Modifiers & Modifiers.Extern) != 0)
{
// Extern methods are there for defining overload signatures, so
// we just skip them as far as metadata goes. The validator has
// taken care of the requirements/constraints around use of extern methods.
continue;
}
memberSymbol = BuildMethod((MethodDeclarationNode)member, typeSymbol);
break;
case ParseNodeType.EventDeclaration:
memberSymbol = BuildEvent((EventDeclarationNode)member, typeSymbol);
break;
case ParseNodeType.EnumerationFieldDeclaration:
memberSymbol = BuildEnumField((EnumerationFieldNode)member, typeSymbol);
break;
}
if (memberSymbol != null)
{
memberSymbol.SetParseContext(member);
if ((typeSymbol.IsApplicationType == false) &&
((memberSymbol.Type == SymbolType.Constructor) ||
(typeSymbol.GetMember(memberSymbol.Name) != null)))
{
// If the type is an imported type, then it is allowed to contain
// overloads, and we're simply going to ignore its existence, as long
// as one overload has been added to the member table.
continue;
}
typeSymbol.AddMember(memberSymbol);
if ((typeSymbol.Type == SymbolType.Class) && (memberSymbol.Type == SymbolType.Event))
{
EventSymbol eventSymbol = (EventSymbol)memberSymbol;
if (eventSymbol.DefaultImplementation)
{
// Add a private field that will serve as the backing member
// later on in the conversion (eg. in non-event expressions)
MemberVisibility visibility = MemberVisibility.PrivateInstance;
if ((eventSymbol.Visibility & MemberVisibility.Static) != 0)
{
visibility |= MemberVisibility.Static;
}
FieldSymbol fieldSymbol =
new FieldSymbol("__" + Utility.CreateCamelCaseName(eventSymbol.Name), typeSymbol,
eventSymbol.AssociatedType);
fieldSymbol.SetVisibility(visibility);
fieldSymbol.SetParseContext(((EventDeclarationNode)eventSymbol.ParseContext).Field);
typeSymbol.AddMember(fieldSymbol);
}
}
}
}
}
private static void GenerateEventComment(ScriptTextWriter writer, EventSymbol eventSymbol)
{
GenerateSummaryComment(writer, eventSymbol);
writer.WriteLine("/// <param name=\"{0}\" type=\"Function\" />", eventSymbol.Parameters[0].Name);
}
private void ErrAppendMethod(MethodSymbol meth, SubstContext pctx, bool fArgs)
{
if (meth.IsExpImpl() && meth.swtSlot)
{
ErrAppendParentSym(meth, pctx);
// Get the type args from the explicit impl type and substitute using pctx (if there is one).
SubstContext ctx = new SubstContext(GetTypeManager().SubstType(meth.swtSlot.GetType(), pctx).AsAggregateType());
ErrAppendSym(meth.swtSlot.Sym, ctx, fArgs);
// args already added
return;
}
if (meth.isPropertyAccessor())
{
PropertySymbol prop = meth.getProperty();
// this includes the parent class
ErrAppendSym(prop, pctx);
// add accessor name
if (prop.methGet == meth)
{
ErrAppendString(".get");
}
else
{
Debug.Assert(meth == prop.methSet);
ErrAppendString(".set");
}
// args already added
return;
}
if (meth.isEventAccessor())
{
EventSymbol @event = meth.getEvent();
// this includes the parent class
ErrAppendSym(@event, pctx);
// add accessor name
if (@event.methAdd == meth)
{
ErrAppendString(".add");
}
else
{
Debug.Assert(meth == @event.methRemove);
ErrAppendString(".remove");
}
// args already added
return;
}
TypeArray replacementTypeArray = null;
ErrAppendMethodParentSym(meth, pctx, out replacementTypeArray);
if (meth.IsConstructor())
{
// Use the name of the parent class instead of the name "<ctor>".
ErrAppendName(meth.getClass().name);
}
else if (meth.IsDestructor())
{
// Use the name of the parent class instead of the name "Finalize".
ErrAppendChar('~');
ErrAppendName(meth.getClass().name);
}
else if (meth.isConversionOperator())
{
// implicit/explicit
ErrAppendString(meth.isImplicit() ? "implicit" : "explicit");
ErrAppendString(" operator ");
// destination type name
ErrAppendType(meth.RetType, pctx);
}
else if (meth.isOperator)
{
// handle user defined operators
// map from CLS predefined names to "operator <X>"
ErrAppendString("operator ");
//
// This is kinda slow, but the alternative is to add bits to methsym.
//
string operatorName;
OperatorKind op = Operators.OperatorOfMethodName(meth.name);
if (Operators.HasDisplayName(op))
{
operatorName = Operators.GetDisplayName(op);
}
else
{
//
// either equals or compare
//
if (meth.name == NameManager.GetPredefinedName(PredefinedName.PN_OPEQUALS))
{
operatorName = "equals";
}
else
{
Debug.Assert(meth.name == NameManager.GetPredefinedName(PredefinedName.PN_OPCOMPARE));
operatorName = "compare";
}
}
ErrAppendString(operatorName);
}
else if (meth.IsExpImpl())
{
if (meth.errExpImpl != null)
{
ErrAppendType(meth.errExpImpl, pctx, fArgs);
}
}
else
{
// regular method
ErrAppendName(meth.name);
}
if (null == replacementTypeArray)
{
ErrAppendTypeParameters(meth.typeVars, pctx, false);
}
if (fArgs)
{
// append argument types
ErrAppendChar('(');
if (!meth.computeCurrentBogusState())
{
ErrAppendParamList(GetTypeManager().SubstTypeArray(meth.Params, pctx), meth.isVarargs, meth.isParamArray);
}
ErrAppendChar(')');
}
}
public override object VisitEvent(EventSymbol symbol, object argument)
{
throw ExceptionUtilities.Unreachable;
}
public virtual TResult VisitEvent(EventSymbol symbol)
{
return(DefaultVisit(symbol));
}
private static void GenerateEvent(ScriptGenerator generator, string typeName, EventSymbol eventSymbol)
{
ScriptTextWriter writer = generator.Writer;
ParameterSymbol valueParameter = eventSymbol.Parameters[0];
if (generator.Options.Minimize)
{
bool obfuscateParams = !eventSymbol.IsPublic;
if (obfuscateParams)
{
valueParameter.SetTransformedName("$p0");
}
}
string eventName = eventSymbol.GeneratedName;
string fieldName = eventName;
if (eventSymbol.DefaultImplementation)
{
fieldName = "__" + Utility.CreateCamelCaseName(eventSymbol.Name);
Debug.Assert(eventSymbol.Parent.Type == SymbolType.Class);
Symbol fieldSymbol = ((ClassSymbol)eventSymbol.Parent).GetMember(fieldName);
Debug.Assert((fieldSymbol != null) && (fieldSymbol.Type == SymbolType.Field));
fieldName = fieldSymbol.GeneratedName;
}
string fieldReference;
if ((eventSymbol.Visibility & MemberVisibility.Static) == 0)
{
fieldReference = "this.";
}
else
{
fieldReference = typeName + ".";
}
fieldReference += fieldName;
bool instanceMember = true;
if ((eventSymbol.Visibility & MemberVisibility.Static) != 0)
{
instanceMember = false;
writer.Write(typeName);
writer.Write(".");
}
writer.Write("add_");
writer.Write(eventName);
if (instanceMember)
{
writer.WriteTrimmed(": ");
}
else
{
writer.WriteTrimmed(" = ");
}
writer.Write("function");
if (generator.Options.DebugFlavor)
{
writer.Write(" ");
writer.Write(typeName.Replace(".", "_"));
writer.Write("$add_");
writer.Write(eventName);
}
writer.Write("(");
writer.Write(valueParameter.GeneratedName);
writer.Write(")");
writer.WriteTrimmed(" {");
writer.WriteNewLine();
writer.Indent++;
if (generator.Options.EnableDocComments)
{
DocCommentGenerator.GenerateComment(generator, eventSymbol);
}
if (eventSymbol.DefaultImplementation)
{
writer.Write(fieldReference);
writer.WriteTrimmed(" = ");
writer.Write("ss.Delegate.combine(");
writer.Write(fieldReference);
writer.WriteTrimmed(", ");
writer.Write(valueParameter.GeneratedName);
writer.Write(");");
writer.WriteNewLine();
}
else
{
CodeGenerator.GenerateScript(generator, eventSymbol, /* add */ true);
}
writer.Indent--;
writer.Write("}");
if (instanceMember == false)
{
writer.WriteSignificantNewLine();
}
if (instanceMember)
{
writer.Write(",");
writer.WriteNewLine();
}
else
{
writer.Write(typeName);
writer.Write(".");
}
writer.Write("remove_");
writer.Write(eventName);
if (instanceMember)
{
writer.WriteTrimmed(": ");
}
else
{
writer.WriteTrimmed(" = ");
}
writer.Write("function");
if (generator.Options.DebugFlavor)
{
writer.Write(" ");
writer.Write(typeName.Replace(".", "_"));
writer.Write("$remove_");
writer.Write(eventName);
}
writer.Write("(");
writer.Write(valueParameter.GeneratedName);
writer.Write(")");
writer.WriteTrimmed(" {");
writer.WriteNewLine();
writer.Indent++;
if (generator.Options.EnableDocComments)
{
DocCommentGenerator.GenerateComment(generator, eventSymbol);
}
if (eventSymbol.DefaultImplementation)
{
writer.Write(fieldReference);
writer.WriteTrimmed(" = ");
writer.Write("ss.Delegate.remove(");
writer.Write(fieldReference);
writer.WriteTrimmed(", ");
writer.Write(valueParameter.GeneratedName);
writer.Write(");");
writer.WriteNewLine();
}
else
{
CodeGenerator.GenerateScript(generator, eventSymbol, /* add */ false);
}
writer.Indent--;
writer.Write("}");
if (instanceMember == false)
{
writer.WriteSignificantNewLine();
}
}
public virtual void VisitEvent(EventSymbol symbol)
{
DefaultVisit(symbol);
}
public override void VisitEvent(EventSymbol @event)
{
ReportSymbol(@event);
Visit(@event.AddMethod);
Visit(@event.RemoveMethod);
}
private bool AreEventsEqual(EventSymbol @event, EventSymbol other)
{
Debug.Assert(StringOrdinalComparer.Equals(@event.Name, other.Name));
return(_comparer.Equals(@event.Type, other.Type));
}
public override object VisitEvent(EventSymbol symbol, TypeCompilationState argument)
{
throw ExceptionUtilities.Unreachable;
}
