internal static object Multiply(IEnumerator enumerator, int times)
{
NonEnumerableObjectEnumerator enumerator2 = enumerator as NonEnumerableObjectEnumerator;
if (enumerator2 != null)
{
return(ParserOps.ImplicitOp(enumerator2.GetNonEnumerableObject(), times, "op_Multiply", null, "*"));
}
ArrayList list = new ArrayList();
while (MoveNext(null, enumerator))
{
list.Add(Current(enumerator));
}
if (list.Count == 0)
{
return(new object[0]);
}
return(ArrayOps.Multiply <object>(list.ToArray(), times));
}
internal static string Multiply(string s, int times)
{
if (times < 0)
{
throw new ArgumentOutOfRangeException("times");
}
if ((times == 0) || (s.Length == 0))
{
return(string.Empty);
}
ExecutionContext executionContextFromTLS = LocalPipeline.GetExecutionContextFromTLS();
if (((executionContextFromTLS != null) && (executionContextFromTLS.LanguageMode == PSLanguageMode.RestrictedLanguage)) && ((s.Length * times) > 0x400))
{
throw InterpreterError.NewInterpreterException(times, typeof(RuntimeException), null, "StringMultiplyToolongInDataSection", ParserStrings.StringMultiplyToolongInDataSection, new object[] { 0x400 });
}
if (s.Length == 1)
{
return(new string(s[0], times));
}
return(new string(ArrayOps.Multiply <char>(s.ToCharArray(), (int)times)));
}
internal static string Multiply(string s, int times)
{
Diagnostics.Assert(s != null, "caller to verify argument is not null");
if (times < 0)
{
// TODO: this should be a runtime error.
throw new ArgumentOutOfRangeException("times");
}
if (times == 0 || s.Length == 0)
{
return(String.Empty);
}
var context = LocalPipeline.GetExecutionContextFromTLS();
if (context != null &&
context.LanguageMode == PSLanguageMode.RestrictedLanguage && (s.Length * times) > 1024)
{
throw InterpreterError.NewInterpreterException(times, typeof(RuntimeException),
null, "StringMultiplyToolongInDataSection", ParserStrings.StringMultiplyToolongInDataSection, 1024);
}
if (s.Length == 1)
{
// A string of length 1 has special support in the BCL, so just use it.
return(new string(s[0], times));
}
// Convert the string to a char array, use the array multiplication code,
// then construct a new string from the resulting char array. This uses
// extra memory compared to the naive algorithm, but is faster (measured
// against a V2 CLR, should be measured against V4 as the StringBuilder
// implementation changed.)
return(new string(ArrayOps.Multiply(s.ToCharArray(), (uint)times)));
}
