void WriteQualifiedName(string name, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
var node = AstType.Create(name);
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy);
node.AcceptVisitor(outputVisitor);
}
void WriteTypeDeclarationName(ITypeDefinition typeDef, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
EntityDeclaration node = astBuilder.ConvertEntity(typeDef);
if (typeDef.DeclaringTypeDefinition != null &&
((ConversionFlags & ConversionFlags.ShowDeclaringType) == ConversionFlags.ShowDeclaringType ||
(ConversionFlags & ConversionFlags.UseFullyQualifiedEntityNames) == ConversionFlags.UseFullyQualifiedEntityNames))
{
WriteTypeDeclarationName(typeDef.DeclaringTypeDefinition, writer, formattingPolicy);
writer.WriteToken(Roles.Dot, ".");
}
else if ((ConversionFlags & ConversionFlags.UseFullyQualifiedEntityNames) == ConversionFlags.UseFullyQualifiedEntityNames)
{
if (!string.IsNullOrEmpty(typeDef.Namespace))
{
WriteQualifiedName(typeDef.Namespace, writer, formattingPolicy);
writer.WriteToken(Roles.Dot, ".");
}
}
writer.WriteIdentifier(node.NameToken);
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList)
{
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy);
outputVisitor.WriteTypeParameters(node.GetChildrenByRole(Roles.TypeParameter));
}
}
protected DecoratingTokenWriter(TokenWriter decoratedWriter)
{
if (decoratedWriter == null)
{
throw new ArgumentNullException("decoratedWriter");
}
this.decoratedWriter = decoratedWriter;
}
public static TokenWriter WrapInWriterThatSetsLocationsInAST(TokenWriter writer)
{
if (!(writer is ILocatable))
{
throw new InvalidOperationException("writer does not provide locations!");
}
return(new InsertMissingTokensDecorator(writer, (ILocatable)writer));
}
public void ConvertType(IType type, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
astBuilder.AlwaysUseShortTypeNames = (ConversionFlags & ConversionFlags.UseFullyQualifiedEntityNames) != ConversionFlags.UseFullyQualifiedEntityNames;
AstType astType = astBuilder.ConvertType(type);
astType.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy));
}
void PrintModifiers(Modifiers modifiers, TokenWriter writer)
{
foreach (var m in CSharpModifierToken.AllModifiers)
{
if ((modifiers & m) == m)
{
writer.WriteKeyword(EntityDeclaration.ModifierRole, CSharpModifierToken.GetModifierName(m));
writer.Space();
}
}
}
void WriteTypeParameters(EntityDeclaration node, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList)
{
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy);
IEnumerable <TypeParameterDeclaration> typeParameters = node.GetChildrenByRole(Roles.TypeParameter);
if ((ConversionFlags & ConversionFlags.ShowTypeParameterVarianceModifier) == 0)
{
typeParameters = typeParameters.Select(RemoveVarianceModifier);
}
outputVisitor.WriteTypeParameters(typeParameters);
}
TypeParameterDeclaration RemoveVarianceModifier(TypeParameterDeclaration decl)
{
decl.Variance = VarianceModifier.Invariant;
return(decl);
}
}
public InsertRequiredSpacesDecorator(TokenWriter writer)
: base(writer)
{
}
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 void ConvertSymbol(ISymbol symbol, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
if (symbol == null)
{
throw new ArgumentNullException("symbol");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (formattingPolicy == null)
{
throw new ArgumentNullException("formattingPolicy");
}
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
AstNode node = astBuilder.ConvertSymbol(symbol);
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;
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 (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();
rt.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy));
}
}
if ((ConversionFlags & ConversionFlags.ShowBody) == ConversionFlags.ShowBody && !(node is TypeDeclaration))
{
IProperty property = symbol as IProperty;
if (property != null)
{
writer.Space();
writer.WriteToken(Roles.LBrace, "{");
writer.Space();
if (property.CanGet)
{
writer.WriteKeyword(PropertyDeclaration.GetKeywordRole, "get");
writer.WriteToken(Roles.Semicolon, ";");
writer.Space();
}
if (property.CanSet)
{
writer.WriteKeyword(PropertyDeclaration.SetKeywordRole, "set");
writer.WriteToken(Roles.Semicolon, ";");
writer.Space();
}
writer.WriteToken(Roles.RBrace, "}");
}
else
{
writer.WriteToken(Roles.Semicolon, ";");
}
}
}
void WriteMemberDeclarationName(IMember member, TokenWriter writer, CSharpFormattingOptions formattingPolicy)
{
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
EntityDeclaration node = astBuilder.ConvertEntity(member);
if ((ConversionFlags & ConversionFlags.ShowDeclaringType) == ConversionFlags.ShowDeclaringType && member.DeclaringType != null)
{
ConvertType(member.DeclaringType, writer, formattingPolicy);
writer.WriteToken(Roles.Dot, ".");
}
switch (member.SymbolKind)
{
case SymbolKind.Indexer:
writer.WriteKeyword(Roles.Identifier, "this");
break;
case SymbolKind.Constructor:
WriteQualifiedName(member.DeclaringType.Name, writer, formattingPolicy);
break;
case SymbolKind.Destructor:
writer.WriteToken(DestructorDeclaration.TildeRole, "~");
WriteQualifiedName(member.DeclaringType.Name, writer, formattingPolicy);
break;
case SymbolKind.Operator:
switch (member.Name)
{
case "op_Implicit":
writer.WriteKeyword(OperatorDeclaration.ImplicitRole, "implicit");
writer.Space();
writer.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator");
writer.Space();
ConvertType(member.ReturnType, writer, formattingPolicy);
break;
case "op_Explicit":
writer.WriteKeyword(OperatorDeclaration.ExplicitRole, "explicit");
writer.Space();
writer.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator");
writer.Space();
ConvertType(member.ReturnType, writer, formattingPolicy);
break;
default:
writer.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator");
writer.Space();
var operatorType = OperatorDeclaration.GetOperatorType(member.Name);
if (operatorType.HasValue)
{
writer.WriteToken(OperatorDeclaration.GetRole(operatorType.Value), OperatorDeclaration.GetToken(operatorType.Value));
}
else
{
writer.WriteIdentifier(node.NameToken);
}
break;
}
break;
default:
writer.WriteIdentifier(Identifier.Create(member.Name));
break;
}
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList && member.SymbolKind == SymbolKind.Method)
{
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy);
outputVisitor.WriteTypeParameters(node.GetChildrenByRole(Roles.TypeParameter));
}
}
public static TokenWriter InsertRequiredSpaces(TokenWriter writer)
{
return(new InsertRequiredSpacesDecorator(writer));
}
public InsertSpecialsDecorator(TokenWriter writer) : base(writer)
{
}
public InsertMissingTokensDecorator(TokenWriter writer, ILocatable locationProvider)
: base(writer)
{
this.locationProvider = locationProvider;
currentList = new List <AstNode>();
}