public override CodeTypeMember CreateBinaryOperator(
string argumentTypeName, string firstArgumentName, string secondArgumentName,
CodeOverridableOperatorType operatorType, string returnTypeName,
CodeStatementCollection statements, MemberAttributes attributes)
{
StringBuilder sb = new StringBuilder();
AppendMemberAttributeString(sb, c_memberAttributeKeywordMappings, attributes);
sb.Append(" ");
sb.Append(returnTypeName);
sb.Append(" operator ");
sb.Append(GetOverridableOperatorString(operatorType));
sb.Append(" (");
sb.Append(argumentTypeName);
sb.Append(" ");
sb.Append(firstArgumentName);
sb.Append(", ");
sb.Append(argumentTypeName);
sb.Append(" ");
sb.Append(secondArgumentName);
sb.Append(") {");
StringWriter writer = new StringWriter(sb);
// CodeGeneratorOptions options = new CodeGeneratorOptions ();
foreach (CodeStatement statement in statements)
{
Generator.GenerateCodeFromStatement(statement, writer, null);
}
sb.Append(" }");
return(new CodeSnippetTypeMember(sb.ToString()));
}
public virtual CodeTypeMember CreateBinaryOperator(
string argumentTypeName, string firstArgumentName, string secondArgumentName,
CodeOverridableOperatorType operatorType, string returnTypeName,
CodeStatementCollection statements, MemberAttributes attributes)
{
throw new NotSupportedException(this.GetType().FullName + " does not support operator overriding.");
}
private string GetOverridableOperatorString(CodeOverridableOperatorType operatorType)
{
switch (operatorType)
{
case CodeOverridableOperatorType.Equality:
return("==");
case CodeOverridableOperatorType.Inequality:
return("!=");
case CodeOverridableOperatorType.BitwiseAnd:
return("&");
case CodeOverridableOperatorType.BooleanOr:
return("|");
case CodeOverridableOperatorType.GreaterThan:
return(">");
case CodeOverridableOperatorType.GreaterThanOrEqual:
return(">=");
case CodeOverridableOperatorType.LessThan:
return("<");
case CodeOverridableOperatorType.LessThanOrEqual:
return("<=");
case CodeOverridableOperatorType.Add:
return("+");
case CodeOverridableOperatorType.Multiply:
return("*");
case CodeOverridableOperatorType.Subtract:
return("-");
case CodeOverridableOperatorType.Divide:
return("/");
case CodeOverridableOperatorType.Modulus:
return("%");
default:
throw new ArgumentException("Invalid CodeOverridableOperatorType value: " + operatorType.ToString(), "operatorType");
}
}
