private static void AddAttribute(
ImmutableArray <SymbolDisplayPart> .Builder parts,
AttributeData attribute,
SymbolDisplayFormat format,
SymbolDisplayAdditionalOptions additionalOptions)
{
parts.AddDisplayParts(attribute.AttributeClass, format, additionalOptions, removeAttributeSuffix: true);
if (additionalOptions.HasOption(SymbolDisplayAdditionalOptions.IncludeAttributeArguments))
{
AddAttributeArguments();
}
void AddAttributeArguments()
{
var hasConstructorArgument = false;
var hasNamedArgument = false;
AppendConstructorArguments();
AppendNamedArguments();
if (hasConstructorArgument || hasNamedArgument)
{
parts.AddPunctuation(")");
}
void AppendConstructorArguments()
{
ImmutableArray <TypedConstant> .Enumerator en = attribute.ConstructorArguments.GetEnumerator();
if (en.MoveNext())
{
hasConstructorArgument = true;
parts.AddPunctuation("(");
while (true)
{
AddConstantValue(en.Current);
if (en.MoveNext())
{
parts.AddPunctuation(",");
parts.AddSpace();
}
else
{
break;
}
}
}
}
void AppendNamedArguments()
{
ImmutableArray <KeyValuePair <string, TypedConstant> > .Enumerator en = attribute.NamedArguments.GetEnumerator();
if (en.MoveNext())
{
hasNamedArgument = true;
if (hasConstructorArgument)
{
parts.AddPunctuation(",");
parts.AddSpace();
}
else
{
parts.AddPunctuation("(");
}
while (true)
{
parts.Add(new SymbolDisplayPart(SymbolDisplayPartKind.PropertyName, null, en.Current.Key));
parts.AddSpace();
parts.AddPunctuation("=");
parts.AddSpace();
AddConstantValue(en.Current.Value);
if (en.MoveNext())
{
parts.AddPunctuation(",");
parts.AddSpace();
}
else
{
break;
}
}
}
}
}
void AddConstantValue(TypedConstant typedConstant)
{
switch (typedConstant.Kind)
{
case TypedConstantKind.Primitive:
{
parts.Add(new SymbolDisplayPart(
GetSymbolDisplayPart(typedConstant.Type.SpecialType),
null,
SymbolDisplay.FormatPrimitive(typedConstant.Value, quoteStrings: true, useHexadecimalNumbers: false)));
break;
}
case TypedConstantKind.Enum:
{
OneOrMany <EnumFieldSymbolInfo> oneOrMany = EnumUtility.GetConstituentFields(typedConstant.Value, (INamedTypeSymbol)typedConstant.Type);
OneOrMany <EnumFieldSymbolInfo> .Enumerator en = oneOrMany.GetEnumerator();
if (en.MoveNext())
{
while (true)
{
AddDisplayParts(parts, en.Current.Symbol, format, additionalOptions);
if (en.MoveNext())
{
parts.AddSpace();
parts.AddPunctuation("|");
parts.AddSpace();
}
else
{
break;
}
}
}
else
{
parts.AddPunctuation("(");
AddDisplayParts(parts, (INamedTypeSymbol)typedConstant.Type, format, additionalOptions);
parts.AddPunctuation(")");
parts.Add(new SymbolDisplayPart(SymbolDisplayPartKind.NumericLiteral, null, typedConstant.Value.ToString()));
}
break;
}
case TypedConstantKind.Type:
{
parts.AddKeyword("typeof");
parts.AddPunctuation("(");
AddDisplayParts(parts, (ISymbol)typedConstant.Value, format, additionalOptions);
parts.AddPunctuation(")");
break;
}
case TypedConstantKind.Array:
{
var arrayType = (IArrayTypeSymbol)typedConstant.Type;
parts.AddKeyword("new");
parts.AddSpace();
AddDisplayParts(parts, arrayType.ElementType, format, additionalOptions);
parts.AddPunctuation("[");
parts.AddPunctuation("]");
parts.AddSpace();
parts.AddPunctuation("{");
parts.AddSpace();
ImmutableArray <TypedConstant> .Enumerator en = typedConstant.Values.GetEnumerator();
if (en.MoveNext())
{
while (true)
{
AddConstantValue(en.Current);
if (en.MoveNext())
{
parts.AddPunctuation(",");
parts.AddSpace();
}
else
{
break;
}
}
}
parts.AddSpace();
parts.AddPunctuation("}");
break;
}
default:
{
throw new InvalidOperationException();
}
}
private static void AddAttributes(
ImmutableArray <SymbolDisplayPart> .Builder builder,
ImmutableArray <AttributeData> attributes,
Func <INamedTypeSymbol, bool> predicate = null,
INamespaceSymbol containingNamespace = null,
bool splitAttributes = true,
bool includeAttributeArguments = false,
bool isAssemblyAttribute = false,
bool addNewLine = true)
{
using (IEnumerator <AttributeData> en = attributes
.Where(f => predicate(f.AttributeClass))
.OrderBy(f => ToDisplayString(f.AttributeClass, containingNamespace)).GetEnumerator())
{
if (en.MoveNext())
{
builder.AddPunctuation("[");
if (isAssemblyAttribute)
{
builder.AddKeyword("assembly");
builder.AddPunctuation(":");
builder.AddSpace();
}
while (true)
{
builder.AddDisplayParts(en.Current.AttributeClass, containingNamespace);
if (includeAttributeArguments)
{
AddAttributeArguments(en.Current);
}
if (en.MoveNext())
{
if (splitAttributes)
{
builder.AddPunctuation("]");
if (addNewLine)
{
builder.AddLineBreak();
}
else
{
builder.AddSpace();
}
builder.AddPunctuation("[");
if (isAssemblyAttribute)
{
builder.AddKeyword("assembly");
builder.AddPunctuation(":");
builder.AddSpace();
}
}
else
{
builder.AddPunctuation(",");
builder.AddSpace();
}
}
else
{
break;
}
}
builder.AddPunctuation("]");
if (addNewLine)
{
builder.AddLineBreak();
}
}
}
void AddAttributeArguments(AttributeData attributeData)
{
bool hasConstructorArgument = false;
bool hasNamedArgument = false;
AppendConstructorArguments();
AppendNamedArguments();
if (hasConstructorArgument || hasNamedArgument)
{
builder.AddPunctuation(")");
}
void AppendConstructorArguments()
{
ImmutableArray <TypedConstant> .Enumerator en = attributeData.ConstructorArguments.GetEnumerator();
if (en.MoveNext())
{
hasConstructorArgument = true;
builder.AddPunctuation("(");
while (true)
{
AddConstantValue(en.Current);
if (en.MoveNext())
{
builder.AddPunctuation(",");
builder.AddSpace();
}
else
{
break;
}
}
}
}
void AppendNamedArguments()
{
ImmutableArray <KeyValuePair <string, TypedConstant> > .Enumerator en = attributeData.NamedArguments.GetEnumerator();
if (en.MoveNext())
{
hasNamedArgument = true;
if (hasConstructorArgument)
{
builder.AddPunctuation(",");
builder.AddSpace();
}
else
{
builder.AddPunctuation("(");
}
while (true)
{
builder.Add(new SymbolDisplayPart(SymbolDisplayPartKind.PropertyName, null, en.Current.Key));
builder.AddSpace();
builder.AddPunctuation("=");
builder.AddSpace();
AddConstantValue(en.Current.Value);
if (en.MoveNext())
{
builder.AddPunctuation(",");
builder.AddSpace();
}
else
{
break;
}
}
}
}
}
void AddConstantValue(TypedConstant typedConstant)
{
switch (typedConstant.Kind)
{
case TypedConstantKind.Primitive:
{
builder.Add(new SymbolDisplayPart(
GetSymbolDisplayPart(typedConstant.Type.SpecialType),
null,
SymbolDisplay.FormatPrimitive(typedConstant.Value, quoteStrings: true, useHexadecimalNumbers: false)));
break;
}
case TypedConstantKind.Enum:
{
OneOrMany <EnumFieldSymbolInfo> oneOrMany = EnumUtility.GetConstituentFields(typedConstant.Value, (INamedTypeSymbol)typedConstant.Type);
OneOrMany <EnumFieldSymbolInfo> .Enumerator en = oneOrMany.GetEnumerator();
if (en.MoveNext())
{
while (true)
{
AddDisplayParts(builder, en.Current.Symbol, containingNamespace);
if (en.MoveNext())
{
builder.AddSpace();
builder.AddPunctuation("|");
builder.AddSpace();
}
else
{
break;
}
}
}
else
{
builder.AddPunctuation("(");
AddDisplayParts(builder, (INamedTypeSymbol)typedConstant.Type, containingNamespace);
builder.AddPunctuation(")");
builder.Add(new SymbolDisplayPart(SymbolDisplayPartKind.NumericLiteral, null, typedConstant.Value.ToString()));
}
break;
}
case TypedConstantKind.Type:
{
builder.AddKeyword("typeof");
builder.AddPunctuation("(");
AddDisplayParts(builder, (ISymbol)typedConstant.Value, containingNamespace);
builder.AddPunctuation(")");
break;
}
case TypedConstantKind.Array:
{
var arrayType = (IArrayTypeSymbol)typedConstant.Type;
builder.AddKeyword("new");
builder.AddSpace();
AddDisplayParts(builder, arrayType.ElementType, containingNamespace);
builder.AddPunctuation("[");
builder.AddPunctuation("]");
builder.AddSpace();
builder.AddPunctuation("{");
builder.AddSpace();
ImmutableArray <TypedConstant> .Enumerator en = typedConstant.Values.GetEnumerator();
if (en.MoveNext())
{
while (true)
{
AddConstantValue(en.Current);
if (en.MoveNext())
{
builder.AddPunctuation(",");
builder.AddSpace();
}
else
{
break;
}
}
}
builder.AddSpace();
builder.AddPunctuation("}");
break;
}
default:
{
throw new InvalidOperationException();
}
}
SymbolDisplayPartKind GetSymbolDisplayPart(SpecialType specialType)
{
switch (specialType)
{
case SpecialType.System_Boolean:
return(SymbolDisplayPartKind.Keyword);
case SpecialType.System_SByte:
case SpecialType.System_Byte:
case SpecialType.System_Int16:
case SpecialType.System_UInt16:
case SpecialType.System_Int32:
case SpecialType.System_UInt32:
case SpecialType.System_Int64:
case SpecialType.System_UInt64:
case SpecialType.System_Single:
case SpecialType.System_Double:
return(SymbolDisplayPartKind.NumericLiteral);
case SpecialType.System_Char:
case SpecialType.System_String:
return(SymbolDisplayPartKind.StringLiteral);
default:
throw new InvalidOperationException();
}
}
}
}