public string Generate(ISymbol symbol)
{
if (symbol == null)
{
throw new ArgumentNullException("symbol");
}
StringWriter writer = new StringWriter();
_writer = new TextWriterTokenWriter(writer);
_policy = FormattingOptionsFactory.CreateMono();
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
astBuilder.AlwaysUseShortTypeNames = true;
AstNode node = astBuilder.ConvertSymbol(symbol);
if (symbol is ITypeDefinition)
{
WriteTypeDeclarationName((ITypeDefinition)symbol, _writer, _policy);
}
else if (symbol is IMember)
{
WriteMemberDeclarationName((IMember)symbol, _writer, _policy);
}
else
{
_writer.WriteIdentifier(Identifier.Create(symbol.Name));
}
if (HasParameters(symbol))
{
_writer.WriteToken(symbol.SymbolKind == SymbolKind.Indexer ? Roles.LBracket : Roles.LPar, symbol.SymbolKind == SymbolKind.Indexer ? "[" : "(");
IEnumerable <ParameterDeclaration> parameters = new List <ParameterDeclaration>(node.GetChildrenByRole(Roles.Parameter));
if (symbol is IMethod && ((IMethod)symbol).IsExtensionMethod)
{
parameters = parameters.Skip(1);
}
WriteCommaSeparatedList(parameters);
_writer.WriteToken(symbol.SymbolKind == SymbolKind.Indexer ? Roles.RBracket : Roles.RPar, symbol.SymbolKind == SymbolKind.Indexer ? "]" : ")");
}
if (_includePlaceholders)
{
_writer.WriteToken(Roles.Text, "$0");
}
return(writer.ToString());
}
void PrintModifiers(Modifiers modifiers, TextWriterTokenWriter formatter)
{
foreach (var m in CSharpModifierToken.AllModifiers)
{
if ((modifiers & m) == m)
{
formatter.WriteToken(TypeDeclaration.ModifierRole, CSharpModifierToken.GetModifierName(m));
formatter.Space();
}
}
}
void WriteTypeDeclarationName(ITypeDefinition typeDef, TextWriterTokenWriter formatter, CSharpFormattingOptions formattingPolicy)
{
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
if (typeDef.DeclaringTypeDefinition != null)
{
WriteTypeDeclarationName(typeDef.DeclaringTypeDefinition, formatter, formattingPolicy);
formatter.WriteToken(Roles.Dot, ".");
}
else if ((ConversionFlags & ConversionFlags.UseFullyQualifiedTypeNames) == ConversionFlags.UseFullyQualifiedTypeNames)
{
formatter.WriteIdentifier(Identifier.Create(typeDef.Namespace));
formatter.WriteToken(Roles.Dot, ".");
}
formatter.WriteIdentifier(Identifier.Create(typeDef.Name));
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList)
{
var outputVisitor = new CSharpOutputVisitor(formatter, formattingPolicy);
outputVisitor.WriteTypeParameters(astBuilder.ConvertEntity(typeDef).GetChildrenByRole(Roles.TypeParameter));
}
}
void WriteCommaSeparatedList(IEnumerable <AstNode> parameters)
{
if (parameters.Any())
{
var last = parameters.Last();
foreach (AstNode node in parameters)
{
if (_includePlaceholders)
{
_writer.WriteToken(Roles.Text, "$");
_writer.WriteToken(Roles.Text, "{");
_writer.WriteToken(Roles.Text, _counter.ToString());
_writer.WriteToken(Roles.Text, ":");
}
var outputVisitor = new CSharpOutputVisitor(_writer, _policy);
node.AcceptVisitor(outputVisitor);
if (_includePlaceholders)
{
_writer.WriteToken(Roles.Text, "}");
}
if (node != last)
{
this.Comma(node);
}
_counter++;
}
}
}
public string ConvertSymbol(ISymbol symbol)
{
var stringWriter = new StringWriter();
var astBuilder = new TypeSystemAstBuilder();
astBuilder.AlwaysUseShortTypeNames = true;
AstNode node = astBuilder.ConvertSymbol(symbol);
var writer = new TextWriterTokenWriter(stringWriter);
var rt = node.GetChildByRole(Roles.Type);
if (!rt.IsNull)
{
rt.AcceptVisitor(new CSharpOutputVisitor(stringWriter, FormattingOptionsFactory.CreateMono()));
}
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, "}");
}
return(stringWriter.ToString());
}
void WriteMemberDeclarationName(IMember member, TextWriterTokenWriter formatter, CSharpFormattingOptions formattingPolicy)
{
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
if ((ConversionFlags & ConversionFlags.ShowDeclaringType) == ConversionFlags.ShowDeclaringType)
{
ConvertType(member.DeclaringType, formatter, formattingPolicy);
formatter.WriteToken(Roles.Dot, ".");
}
switch (member.SymbolKind)
{
case SymbolKind.Indexer:
formatter.WriteKeyword(IndexerDeclaration.ThisKeywordRole, "this");
break;
case SymbolKind.Constructor:
formatter.WriteIdentifier(Identifier.Create(member.DeclaringType.Name));
break;
case SymbolKind.Destructor:
formatter.WriteToken(DestructorDeclaration.TildeRole, "~");
formatter.WriteIdentifier(Identifier.Create(member.DeclaringType.Name));
break;
case SymbolKind.Operator:
switch (member.Name)
{
case "op_Implicit":
formatter.WriteKeyword(OperatorDeclaration.ImplicitRole, "implicit");
formatter.Space();
formatter.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator");
formatter.Space();
ConvertType(member.ReturnType, formatter, formattingPolicy);
break;
case "op_Explicit":
formatter.WriteKeyword(OperatorDeclaration.ExplicitRole, "explicit");
formatter.Space();
formatter.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator");
formatter.Space();
ConvertType(member.ReturnType, formatter, formattingPolicy);
break;
default:
formatter.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator");
formatter.Space();
var operatorType = OperatorDeclaration.GetOperatorType(member.Name);
if (operatorType.HasValue)
{
formatter.WriteToken(OperatorDeclaration.GetRole(operatorType.Value), OperatorDeclaration.GetToken(operatorType.Value));
}
else
{
formatter.WriteIdentifier(Identifier.Create(member.Name));
}
break;
}
break;
default:
formatter.WriteIdentifier(Identifier.Create(member.Name));
break;
}
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList && member.SymbolKind == SymbolKind.Method)
{
var outputVisitor = new CSharpOutputVisitor(formatter, formattingPolicy);
outputVisitor.WriteTypeParameters(astBuilder.ConvertEntity(member).GetChildrenByRole(Roles.TypeParameter));
}
}
public void ConvertEntity(IEntity entity, TextWriterTokenWriter formatter, CSharpFormattingOptions formattingPolicy)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (formatter == null)
{
throw new ArgumentNullException("formatter");
}
if (formattingPolicy == null)
{
throw new ArgumentNullException("options");
}
TypeSystemAstBuilder astBuilder = CreateAstBuilder();
EntityDeclaration node = astBuilder.ConvertEntity(entity);
PrintModifiers(node.Modifiers, formatter);
if ((ConversionFlags & ConversionFlags.ShowDefinitionKeyword) == ConversionFlags.ShowDefinitionKeyword)
{
if (node is TypeDeclaration)
{
switch (((TypeDeclaration)node).ClassType)
{
case ClassType.Class:
formatter.WriteKeyword(Roles.ClassKeyword, "class");
break;
case ClassType.Struct:
formatter.WriteKeyword(Roles.StructKeyword, "struct");
break;
case ClassType.Interface:
formatter.WriteKeyword(Roles.InterfaceKeyword, "interface");
break;
case ClassType.Enum:
formatter.WriteKeyword(Roles.EnumKeyword, "enum");
break;
default:
throw new Exception("Invalid value for ClassType");
}
formatter.Space();
}
else if (node is DelegateDeclaration)
{
formatter.WriteKeyword(Roles.DelegateKeyword, "delegate");
formatter.Space();
}
else if (node is EventDeclaration)
{
formatter.WriteKeyword(EventDeclaration.EventKeywordRole, "event");
formatter.Space();
}
}
if ((ConversionFlags & ConversionFlags.ShowReturnType) == ConversionFlags.ShowReturnType)
{
var rt = node.GetChildByRole(Roles.Type);
if (!rt.IsNull)
{
rt.AcceptVisitor(new CSharpOutputVisitor(formatter, formattingPolicy));
formatter.Space();
}
}
if (entity is ITypeDefinition)
{
WriteTypeDeclarationName((ITypeDefinition)entity, formatter, formattingPolicy);
}
else
{
WriteMemberDeclarationName((IMember)entity, formatter, formattingPolicy);
}
if ((ConversionFlags & ConversionFlags.ShowParameterList) == ConversionFlags.ShowParameterList && HasParameters(entity))
{
if (entity.SymbolKind == SymbolKind.Indexer)
{
formatter.WriteToken(Roles.LBracket, "[");
}
else
{
formatter.WriteToken(Roles.LBrace, "(");
}
bool first = true;
foreach (var param in node.GetChildrenByRole(Roles.Parameter))
{
if (first)
{
first = false;
}
else
{
formatter.WriteToken(Roles.Comma, ",");
formatter.Space();
}
param.AcceptVisitor(new CSharpOutputVisitor(formatter, formattingPolicy));
}
if (entity.SymbolKind == SymbolKind.Indexer)
{
formatter.WriteToken(Roles.RBracket, "]");
}
else
{
formatter.WriteToken(Roles.RBrace, ")");
}
}
if ((ConversionFlags & ConversionFlags.ShowBody) == ConversionFlags.ShowBody && !(node is TypeDeclaration))
{
IProperty property = entity as IProperty;
if (property != null)
{
formatter.Space();
formatter.WriteToken(Roles.LBrace, "{");
formatter.Space();
if (property.CanGet)
{
formatter.WriteKeyword(PropertyDeclaration.GetKeywordRole, "get");
formatter.WriteToken(Roles.Semicolon, ";");
formatter.Space();
}
if (property.CanSet)
{
formatter.WriteKeyword(PropertyDeclaration.SetKeywordRole, "set");
formatter.WriteToken(Roles.Semicolon, ";");
formatter.Space();
}
formatter.WriteToken(Roles.RBrace, "}");
}
else
{
formatter.WriteToken(Roles.Semicolon, ";");
}
}
}
