private IEnumerable <Expression> GetParametersForSwitchCase(int pArgsLength)
{
int k = 0;
for (int i = 0, length = parameters.Length - (tailArray ? 1 : 0); i < length; i++)
{
if (i == posNew)
{
yield return(EcmaValueUtility.ConvertFromEcmaValueExpression(pNewTarget, parameters[i].ParameterType));
}
else if (i == posThis)
{
yield return(EcmaValueUtility.ConvertFromEcmaValueExpression(pThisArg, parameters[i].ParameterType));
}
else if (k >= pArgsLength)
{
yield return(GetDefaultExpression(parameters[i].ParameterType));
}
else
{
yield return(GetArgumentFromArray(k++, i));
}
}
if (tailArray)
{
if (k >= pArgsLength)
{
yield return(Expression.MakeMemberAccess(null, typeof(EcmaValue).GetField("EmptyArray", BindingFlags.Static | BindingFlags.Public)));
}
else
{
yield return(GetTailArray(k));
}
}
}
private IEnumerable <Expression> GetParametersForSwitchDefault()
{
int k = 0;
for (int i = 0, length = parameters.Length - (tailArray ? 1 : 0); i < length; i++)
{
if (i == posNew)
{
yield return(EcmaValueUtility.ConvertFromEcmaValueExpression(pNewTarget, parameters[i].ParameterType));
}
else if (i == posThis)
{
yield return(EcmaValueUtility.ConvertFromEcmaValueExpression(pThisArg, parameters[i].ParameterType));
}
else
{
yield return(Expression.Condition(
Expression.GreaterThan(Expression.Property(pArgs, "Length"), Expression.Constant(i)),
EcmaValueUtility.ConvertFromEcmaValueExpression(Expression.ArrayIndex(pArgs, Expression.Constant(k++)), parameters[i].ParameterType),
GetDefaultExpression(parameters[i].ParameterType)));
}
}
if (tailArray)
{
yield return(GetTailArray(k));
}
}
private Expression GetArgumentFromArray(int argsIndex, int nativeParameterIndex)
{
return(EcmaValueUtility.ConvertFromEcmaValueExpression(Expression.ArrayIndex(pArgs, Expression.Constant(argsIndex)), parameters[nativeParameterIndex].ParameterType));
}