public SyntaxTokenCollection Format(OperatorSyntax syntax)
{
SyntaxTokenCollection tokens = new SyntaxTokenCollection();
string identifier = syntax.GetIdentifier();
SyntaxToken inheritanceModifier = FormatInheritance(syntax);
tokens.AddRange(FormatVisibility(syntax));
if (inheritanceModifier != null)
{
tokens.Add(Constants.Space);
tokens.Add(inheritanceModifier);
}
if (identifier == "op_Explicit")
{
tokens.Add(Constants.Space);
tokens.Add(new SyntaxToken("Narrowing", SyntaxTokens.Keyword));
}
else if (identifier == "op_Implicit")
{
tokens.Add(Constants.Space);
tokens.Add(new SyntaxToken("Widening", SyntaxTokens.Keyword));
}
tokens.Add(Constants.Space);
tokens.Add(new SyntaxToken("Operator", SyntaxTokens.Keyword));
tokens.Add(Constants.Space);
tokens.AddRange(FormatName(syntax));
if (syntax.Method.IsGeneric)
{
tokens.Add(new SyntaxToken("<", SyntaxTokens.Text));
List <GenericTypeRef> genericTypes = syntax.GetGenericParameters();
for (int i = 0; i < genericTypes.Count; i++)
{
if (i != 0)
{
tokens.Add(new SyntaxToken(", ", SyntaxTokens.Text));
}
tokens.Add(FormatTypeName(genericTypes[i]));
}
tokens.Add(new SyntaxToken(">", SyntaxTokens.Text));
}
tokens.AddRange(FormatParameters(syntax));
tokens.Add(Constants.Space);
tokens.Add(Constants.KeywordAs);
tokens.Add(Constants.Space);
tokens.AddRange(FormatReturnType(syntax));
return(tokens);
}
public List <SyntaxToken> FormatReturnType(OperatorSyntax syntax)
{
string identifier = syntax.GetIdentifier();
List <SyntaxToken> tokens = new List <SyntaxToken>();
if (identifier == "op_Explicit")
{
tokens.Add(Constants.KeywordExplicit);
}
else if (identifier == "op_Implicit")
{
tokens.Add(Constants.KeywordImplicit);
}
else
{
tokens.AddRange(this.FormatTypeDetails(syntax.GetReturnType()));
}
return(tokens);
}
public List <SyntaxToken> FormatName(OperatorSyntax syntax)
{
string representation = string.Empty;
switch (syntax.GetIdentifier())
{
// Equality overloads
case "op_Equality": representation = "=="; break;
case "op_Inequality": representation = "!="; break;
case "op_GreaterThan": representation = ">"; break;
case "op_LessThan": representation = "<"; break;
case "op_GreaterThanOrEqual": representation = ">="; break;
case "op_LessThanOrEqual": representation = "<="; break;
// Unary overloads
case "op_UnaryPlus": representation = "+"; break;
case "op_UnaryNegation": representation = "-"; break;
case "op_LogicalNot": representation = "!"; break;
case "op_OnesComplement": representation = "~"; break;
case "op_Increment": representation = "++"; break;
case "op_Decrement": representation = "--"; break;
case "op_True": representation = "true"; break;
case "op_False": representation = "false"; break;
// Binary Overloads
case "op_Addition": representation = "+"; break;
case "op_Subtraction": representation = "-"; break;
case "op_Multiply": representation = "*"; break;
case "op_Division": representation = "/"; break;
case "op_Modulus": representation = "%"; break;
case "op_BitwiseAnd": representation = "&"; break;
case "op_BitwiseOr": representation = "|"; break;
case "op_ExclusiveOr": representation = "^"; break;
case "op_LeftShift": representation = "<<"; break;
case "op_RightShift": representation = ">>"; break;
// Concatenation operator is & in a visual basic library - cant be overloaded in C#
case "op_Concatenate": representation = "+"; break;
case "op_Implicit": return(this.FormatTypeDetails(syntax.GetReturnType()));
case "op_Explicit": return(this.FormatTypeDetails(syntax.GetReturnType()));
default:
throw new NotImplementedException(
"Formatting not implemented for operator '" + syntax.GetIdentifier() + "'."
);
}
return(new List <SyntaxToken>()
{
new SyntaxToken(representation, SyntaxTokens.Text)
});
}
