public void ConvertSymbol(ISymbol symbol, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
if (symbol == null)
{
throw new ArgumentNullException(nameof(symbol));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (formattingPolicy == null)
{
throw new ArgumentNullException(nameof(formattingPolicy));
}
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
AstNode node = astBuilder.ConvertSymbol(symbol);
writer.StartNode(node);
EntityDeclaration entityDecl = node as EntityDeclaration;
if (entityDecl != null)
{
PrintModifiers(entityDecl.Modifiers, writer);
}
if ((ConversionFlags & ConversionFlags.ShowDefinitionKeyword) == ConversionFlags.ShowDefinitionKeyword)
{
if (node is TypeDeclaration)
{
switch (((TypeDeclaration)node).ClassType)
{
case ClassType.Class:
writer.WriteKeyword(Roles.ClassKeyword, "class");
break;
case ClassType.Struct:
writer.WriteKeyword(Roles.StructKeyword, "struct");
break;
case ClassType.Interface:
writer.WriteKeyword(Roles.InterfaceKeyword, "interface");
break;
case ClassType.Enum:
writer.WriteKeyword(Roles.EnumKeyword, "enum");
break;
case ClassType.RecordClass:
writer.WriteKeyword(Roles.RecordKeyword, "record");
break;
default:
throw new Exception("Invalid value for ClassType");
}
writer.Space();
}
else if (node is DelegateDeclaration)
{
writer.WriteKeyword(Roles.DelegateKeyword, "delegate");
writer.Space();
}
else if (node is EventDeclaration)
{
writer.WriteKeyword(EventDeclaration.EventKeywordRole, "event");
writer.Space();
}
else if (node is NamespaceDeclaration)
{
writer.WriteKeyword(Roles.NamespaceKeyword, "namespace");
writer.Space();
}
}
if ((ConversionFlags & ConversionFlags.PlaceReturnTypeAfterParameterList) != ConversionFlags.PlaceReturnTypeAfterParameterList &&
(ConversionFlags & ConversionFlags.ShowReturnType) == ConversionFlags.ShowReturnType)
{
var rt = node.GetChildByRole(Roles.Type);
if (!rt.IsNull)
{
rt.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy));
writer.Space();
}
}
if (symbol is ITypeDefinition)
{
WriteTypeDeclarationName((ITypeDefinition)symbol, writer, formattingPolicy);
}
else if (symbol is IMember)
{
WriteMemberDeclarationName((IMember)symbol, writer, formattingPolicy);
}
else
{
writer.WriteIdentifier(Identifier.Create(symbol.Name));
}
if ((ConversionFlags & ConversionFlags.ShowParameterList) == ConversionFlags.ShowParameterList && HasParameters(symbol))
{
writer.WriteToken(symbol.SymbolKind == SymbolKind.Indexer ? Roles.LBracket : Roles.LPar, symbol.SymbolKind == SymbolKind.Indexer ? "[" : "(");
bool first = true;
foreach (var param in node.GetChildrenByRole(Roles.Parameter))
{
if ((ConversionFlags & ConversionFlags.ShowParameterModifiers) == 0)
{
param.ParameterModifier = ParameterModifier.None;
}
if ((ConversionFlags & ConversionFlags.ShowParameterDefaultValues) == 0)
{
param.DefaultExpression.Detach();
}
if (first)
{
first = false;
}
else
{
writer.WriteToken(Roles.Comma, ",");
writer.Space();
}
param.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy));
}
writer.WriteToken(symbol.SymbolKind == SymbolKind.Indexer ? Roles.RBracket : Roles.RPar, symbol.SymbolKind == SymbolKind.Indexer ? "]" : ")");
}
if ((ConversionFlags & ConversionFlags.PlaceReturnTypeAfterParameterList) == ConversionFlags.PlaceReturnTypeAfterParameterList &&
(ConversionFlags & ConversionFlags.ShowReturnType) == ConversionFlags.ShowReturnType)
{
var rt = node.GetChildByRole(Roles.Type);
if (!rt.IsNull)
{
writer.Space();
writer.WriteToken(Roles.Colon, ":");
writer.Space();
if (symbol is IField f && CSharpDecompiler.IsFixedField(f, out var type, out int elementCount))
{
rt = astBuilder.ConvertType(type);
new IndexerExpression(new TypeReferenceExpression(rt), astBuilder.ConvertConstantValue(f.Compilation.FindType(KnownTypeCode.Int32), elementCount))
.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy));
}
else
{
rt.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy));
}
}
}
public override void StartNode(AstNode node)
{
decoratedWriter.StartNode(node);
}