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Primitive.cs
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Primitive.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using Rakudo.Metamodel;
using Rakudo.Metamodel.Representations;
namespace Rakudo.Runtime
{
/// <summary>
/// This class implements the various vm::op options that are
/// available.
/// </summary>
public static partial class Ops
{
/// <summary>
/// Logical not.
/// </summary>
/// <param name="TC"></param>
/// <param name="x"></param>
/// <returns></returns>
public static int logical_not_int(ThreadContext TC, int x)
{
return x == 0 ? 1 : 0;
}
/// <summary>
/// Performs an integer addition.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static int add_int(ThreadContext TC, int x, int y)
{
return x + y;
}
/// <summary>
/// Performs an integer subtraction.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static int sub_int(ThreadContext TC, int x, int y)
{
return x - y;
}
/// <summary>
/// Performs an integer multiplication.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static int mul_int(ThreadContext TC, int x, int y)
{
return x * y;
}
/// <summary>
/// Performs an integer division.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static int div_int(ThreadContext TC, int x, int y)
{
return x / y;
}
/// <summary>
/// Performs an integer modulo.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static int mod_int(ThreadContext TC, int x, int y)
{
return x % y;
}
/// <summary>
/// Performs a numeric addition.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject add_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, Ops.unbox_num(TC, x) + Ops.unbox_num(TC, y), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a numeric subtraction.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject sub_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, Ops.unbox_num(TC, x) - Ops.unbox_num(TC, y), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a numeric multiplication.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject mul_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, Ops.unbox_num(TC, x) * Ops.unbox_num(TC, y), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a numeric division.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject div_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, Ops.unbox_num(TC, x) / Ops.unbox_num(TC, y), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a bitwise or on ints.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject bitwise_or_int(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_int(TC, Ops.unbox_int(TC, x) | Ops.unbox_int(TC, y), TC.DefaultIntBoxType);
}
/// <summary>
/// Performs a bitwise and on ints.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject bitwise_and_int(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_int(TC, Ops.unbox_int(TC, x) & Ops.unbox_int(TC, y), TC.DefaultIntBoxType);
}
/// <summary>
/// Performs a bitwise xor on ints.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject bitwise_xor_int(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_int(TC, Ops.unbox_int(TC, x) ^ Ops.unbox_int(TC, y), TC.DefaultIntBoxType);
}
/// <summary>
/// Performs a bitwise or on nums.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject bitwise_or_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, BitConverter.Int64BitsToDouble(BitConverter.DoubleToInt64Bits(Ops.unbox_num(TC, x)) | BitConverter.DoubleToInt64Bits(Ops.unbox_num(TC, y))), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a bitwise and on nums.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject bitwise_and_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, BitConverter.Int64BitsToDouble(BitConverter.DoubleToInt64Bits(Ops.unbox_num(TC, x)) & BitConverter.DoubleToInt64Bits(Ops.unbox_num(TC, y))), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a bitwise xor on nums.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject bitwise_xor_num(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_num(TC, BitConverter.Int64BitsToDouble(BitConverter.DoubleToInt64Bits(Ops.unbox_num(TC, x)) ^ BitConverter.DoubleToInt64Bits(Ops.unbox_num(TC, y))), TC.DefaultNumBoxType);
}
/// <summary>
/// Performs a string concatenation.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject concat(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_str(TC, Ops.unbox_str(TC, x) + Ops.unbox_str(TC, y), TC.DefaultStrBoxType);
}
/// <summary>
/// Performs a string substring.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject substr(ThreadContext TC, RakudoObject x, RakudoObject y, RakudoObject z)
{
return Ops.box_str(TC, z.STable.REPR.defined(TC, z)
? Ops.unbox_str(TC, x).Substring(Ops.unbox_int(TC, y), Ops.unbox_int(TC, z))
: Ops.unbox_str(TC, x).Substring(Ops.unbox_int(TC, y)), TC.DefaultStrBoxType);
}
/// <summary>
/// Performs a string substring.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject substr(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_str(TC, Ops.unbox_str(TC, x).Substring(Ops.unbox_int(TC, y)), TC.DefaultStrBoxType);
}
/// <summary>
/// Performs a string format.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject format_str(ThreadContext TC, RakudoObject x, params RakudoObject[] arguments)
{
string[] args = new string[arguments.Length];
int i = 0;
foreach (RakudoObject arg in arguments)
args[i++] = Ops.unbox_str(TC, arguments[i]);
return Ops.box_str(TC, String.Format(Ops.unbox_str(TC, x), args), TC.DefaultStrBoxType);
}
/// <summary>
/// Search for the first occurrence of a substring within a string and returns its zero-based index
/// if it's found and -1 if it's not.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject index_str(ThreadContext TC, RakudoObject x, RakudoObject y)
{
return Ops.box_int(TC, Ops.unbox_str(TC, x).IndexOf(Ops.unbox_str(TC, y)), TC.DefaultIntBoxType);
}
/// <summary>
/// Search for the first occurrence of a substring within a string and returns its zero-based index
/// if it's found and -1 if it's not, starting at a specified index.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject index_str_index(ThreadContext TC, RakudoObject x, RakudoObject y, RakudoObject z)
{
return Ops.box_int(TC, Ops.unbox_str(TC, x).IndexOf(Ops.unbox_str(TC, y), Ops.unbox_int(TC, z)), TC.DefaultIntBoxType);
}
/// <summary>
/// Split the first string by the first character of the second string returning an NQPList of the results.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject split_str(ThreadContext TC, RakudoObject x, RakudoObject y)
{
RakudoObject list = Ops.instance_of(TC, Ops.get_lex(TC, "NQPList"));
var store = ((P6list.Instance)list).Storage;
foreach (string splitted in Ops.unbox_str(TC, x).Split(Ops.unbox_str(TC, y)[0]))
store.Add(Ops.box_str(TC, splitted, TC.DefaultStrBoxType));
return list;
}
/// <summary>
/// Returns the length of the string.
/// </summary>
/// <param name="x"></param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject length_str(ThreadContext TC, RakudoObject x)
{
return Ops.box_int(TC, Ops.unbox_str(TC, x).Length, TC.DefaultIntBoxType);
}
/// <summary>
/// Checks whether a character at a particular index in a string
/// is a member of a particular character class.
/// </summary>
/// <param name="x">name of the character class as a string</param>
/// <param name="y">target string</param>
/// <param name="z">integer index into the target string</param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject is_cclass_str_index(ThreadContext TC, RakudoObject x, RakudoObject y, RakudoObject z)
{
CCLASS cclass = (CCLASS)Enum.Parse(typeof(CCLASS), Ops.unbox_str(TC, x));
string target = Ops.unbox_str(TC, y);
int index = Ops.unbox_int(TC, z);
return Ops.box_int(TC, is_cclass(target, index, cclass) ? 1 : 0, TC.DefaultIntBoxType);
}
/// <summary>
/// Checks whether a character is a member of a particular character class.
/// </summary>
/// <param name="x">name of the character class as a string</param>
/// <param name="y">target string</param>
/// <param name="ResultType"></param>
/// <returns></returns>
public static RakudoObject is_cclass_str(ThreadContext TC, RakudoObject x, RakudoObject y)
{
CCLASS cclass = (CCLASS)Enum.Parse(typeof(CCLASS), Ops.unbox_str(TC, x));
string target = Ops.unbox_str(TC, y);
return Ops.box_int(TC, is_cclass(target, 0, cclass) ? 1 : 0, TC.DefaultIntBoxType);
}
// see http://msdn.microsoft.com/en-us/library/20bw873z.aspx
// more precisely http://msdn.microsoft.com/en-us/library/20bw873z.aspx#SupportedUnicodeGeneralCategories
// to add more categories/patterns.
enum CCLASS
{
Numeric
}
static Regex NumericCompare = new Regex(@"^\p{N}$", RegexOptions.Compiled);
static bool is_cclass(string target, int index, CCLASS cclass)
{
switch ((int)cclass)
{
case 0:
return NumericCompare.IsMatch(target, index);
default:
throw new NotImplementedException("The character class " + cclass + " is not yet implemented");
}
}
}
}