private static int FitsOnOneLine(IPropertySignature expression, int remainingSpace)
{
var space = remainingSpace;
if (expression.Name.Kind == SyntaxKind.Identifier)
{
space = FitsOnOneLine(expression.Name.Cast <IIdentifier>(), space);
}
else
{
return(-1);
}
if (expression.QuestionToken.HasValue)
{
space -= 1; // question mark
}
if (space > 0 && expression.Type != null)
{
space -= 2; // colon space
space = FitsOnOneLine(expression.Type, space);
}
if (space > 0 && expression.Initializer != null)
{
space -= 3; // space equals space
space = FitsOnOneLine(expression.Initializer, space);
}
return(space);
}
/// <summary>
/// Gets a function signature from the given symbol
/// </summary>
/// <param name="symbol">Function's symbol</param>
/// <returns>The symbol broken down into a friendlier representation</returns>
public static DScriptFunctionSignature FromSymbol(ISymbol symbol)
{
var declaration = symbol.GetFirstDeclarationOrDefault();
if (declaration == null)
{
return(null);
}
var functionLikeDeclaration = NodeUtilities.IsFunctionLike(declaration);
if (functionLikeDeclaration != null)
{
return(GetSymbolFromFunction(symbol.Name, functionLikeDeclaration.Parameters));
}
// check to see if this is a property that's really just a function reference - if so treat it like a function
// instead of a property
IPropertySignature propertySignature = declaration.As <IPropertySignature>();
if (propertySignature == null)
{
return(null);
}
IFunctionOrConstructorTypeNode functionTypeNode = propertySignature?.Type.As <IFunctionOrConstructorTypeNode>();
if (functionTypeNode == null)
{
return(null);
}
return(GetSymbolFromFunction(symbol.Name, functionTypeNode.Parameters));
}
private void WriteProperty(ref int pos, IPropertySignature property)
{
_blob.Write(ref pos, (byte)SignatureType.Property);
WriteString(ref pos, property.Name);
var arguments = property.Arguments;
_blob.Write7BitEncodedInt(ref pos, arguments.Count);
var owner = property.Owner;
bool writeOwner = (owner != null);
_blob.Write(ref pos, (bool)writeOwner);
int addLength = (arguments.Count + 1) * 4;
if (writeOwner)
{
addLength += 4;
}
_blob.Length += addLength;
if (writeOwner)
{
WriteReferenced(ref pos, owner);
}
WriteReferenced(ref pos, property.ReturnType);
WriteReferenced(ref pos, arguments);
}
public static string ToString(this IPropertySignature propertySig, IModule module = null, SignaturePrintingFlags flags = SignaturePrintingFlags.None)
{
var printer = new SignaturePrinter(flags);
printer.PrintProperty(propertySig, module);
return(printer.ToString());
}
public IProperty Resolve(IPropertySignature propertySig, ICodeNode context, bool throwOnFailure = false)
{
var property = ResolveProperty(propertySig, context.Module, context);
if (property == null)
{
if (throwOnFailure)
{
throw new ResolveReferenceException(string.Format(SR.PropertyResolveError, propertySig.ToString()));
}
return(null);
}
return(property);
}
internal bool Equals(IPropertySignature x, IPropertySignature y)
{
if (x.Name != y.Name)
{
return(false);
}
if (!EqualsTypes(x.Arguments, y.Arguments))
{
return(false);
}
if (!EqualsType(x.ReturnType, y.ReturnType))
{
return(false);
}
return(true);
}
private bool EqualsProperty(IPropertySignature x, IPropertySignature y)
{
if (x == y)
{
return(true);
}
if (x == null || y == null)
{
return(false);
}
if (x.Name != y.Name)
{
return(false);
}
if (x.Arguments.Count != y.Arguments.Count)
{
return(false);
}
if (!EqualsType(x.ReturnType, y.ReturnType))
{
return(false);
}
if (!EqualsTypes(x.Arguments, y.Arguments))
{
return(false);
}
if (!EqualsType(x.Owner, y.Owner))
{
return(false);
}
return(true);
}
protected int GetHashCode(IPropertySignature obj, bool canIgnoreOwner)
{
int hashCode = 0x9000;
if (obj.Name != null)
{
hashCode ^= obj.Name.GetHashCode();
}
hashCode += obj.Arguments.Count;
if (!canIgnoreOwner || (_flags & SignatureComparisonFlags.IgnoreMemberOwner) != SignatureComparisonFlags.IgnoreMemberOwner)
{
var owner = obj.Owner;
if (owner != null)
{
hashCode ^= GetHashCode(owner, canIgnoreOwner);
}
}
return(hashCode);
}
protected IProperty ResolveProperty(IPropertySignature propertySig, IModule context, ICodeNode genericContext)
{
var ownerType = ResolveType(propertySig.Owner, context, genericContext);
if (ownerType == null)
{
return(null);
}
var comparer = new ResolveSignatureComparer(context, ownerType.Module);
// Find
foreach (var property in ownerType.Properties)
{
if (comparer.Equals(propertySig, property.DeclaringProperty))
{
return(property);
}
}
return(null);
}
protected bool Equals(IPropertySignature x, IPropertySignature y, bool canIgnoreOwner)
{
if (x == y)
{
return(true);
}
if (x == null || y == null)
{
return(false);
}
if (x.Name != y.Name)
{
return(false);
}
if (!Equals(x.Arguments, y.Arguments, false))
{
return(false);
}
if (!Equals(x.ReturnType, y.ReturnType, false))
{
return(false);
}
if (!canIgnoreOwner || (_flags & SignatureComparisonFlags.IgnoreMemberOwner) != SignatureComparisonFlags.IgnoreMemberOwner)
{
if (!Equals(x.Owner, y.Owner, canIgnoreOwner))
{
return(false);
}
}
return(true);
}
public void PrintProperty(IPropertySignature propertySig, IModule module)
{
if ((_flags & SignaturePrintingFlags.IgnoreMemberOwner) != SignaturePrintingFlags.IgnoreMemberOwner)
{
var owner = propertySig.Owner;
if (owner != null)
{
PrintType(owner, module);
}
else
{
_builder.Append(CodeModelUtils.GlobalTypeName);
}
_builder.Append("::");
}
PrintIdentifier(propertySig.Name);
PrintMethodArguments(propertySig.Arguments, -1, module);
_builder.Append(" : ");
PrintType(propertySig.ReturnType, module, false);
}
public static IProperty Resolve(this IPropertySignature propertySig, ICodeNode context, bool throwOnFailure = false)
{
return(context.AssemblyManager.Resolve(propertySig, context, throwOnFailure));
}
public int GetHashCode(IPropertySignature obj)
{
return(GetHashCode(obj, true));
}
public bool Equals(IPropertySignature x, IPropertySignature y)
{
return(Equals(x, y, true));
}
/// <inheritdoc />
public override void VisitPropertySignature(IPropertySignature node)
{
Register(node, node.Flags, DocNodeType.Property, node.Name.Text, base.VisitPropertySignature);
}
