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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Apache License, Version 2.0. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Apache License, Version 2.0, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Apache License, Version 2.0.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using IronPython.Runtime;
using IronPython.Runtime.Operations;
using Microsoft.Scripting;
using Microsoft.Scripting.Runtime;
using IronPython.Runtime.Binding;
using Microsoft.Scripting.Generation;
using IronPython.Runtime.Types;
#if FEATURE_NUMERICS
using System.Numerics;
#else
using Microsoft.Scripting.Math;
using Complex = Microsoft.Scripting.Math.Complex64;
#endif
[assembly: PythonModule("operator", typeof(IronPython.Modules.PythonOperator))]
namespace IronPython.Modules {
public static class PythonOperator {
public const string __doc__ = "Provides programmatic access to various operators (addition, accessing members, etc...)";
public class attrgetter {
private readonly object[] _names;
public attrgetter(params object[] attrs) {
if (attrs.Length == 0) throw PythonOps.TypeError("attrgetter expected 1 arguments, got 0");
this._names = attrs;
}
[SpecialName]
public object Call(CodeContext context, object param) {
if (_names.Length == 1) {
return GetOneAttr(context, param, _names[0]);
}
object[] res = new object[_names.Length];
for (int i = 0; i < _names.Length; i++) {
res[i] = GetOneAttr(context, param, _names[i]);
}
return PythonTuple.MakeTuple(res);
}
private static object GetOneAttr(CodeContext context, object param, object val) {
string s = val as string;
if (s == null) {
throw PythonOps.TypeError("attribute name must be string");
}
int dotPos = s.IndexOf('.');
if (dotPos >= 0) {
object nextParam = GetOneAttr(context, param, s.Substring(0, dotPos));
return GetOneAttr(context, nextParam, s.Substring(dotPos + 1, s.Length - dotPos - 1));
}
return PythonOps.GetBoundAttr(context, param, s);
}
}
public class itemgetter {
private readonly object[] _items;
public itemgetter([NotNull]params object[] items) {
if (items.Length == 0) {
throw PythonOps.TypeError("itemgetter needs at least one argument");
}
_items = items;
}
[SpecialName]
public object Call(CodeContext/*!*/ context, object param) {
if (_items.Length == 1) {
return PythonOps.GetIndex(context, param, _items[0]);
}
object[] res = new object[_items.Length];
for (int i = 0; i < _items.Length; i++) {
res[i] = PythonOps.GetIndex(context, param, _items[i]);
}
return PythonTuple.MakeTuple(res);
}
}
[PythonType]
public class methodcaller {
private readonly string _name;
private readonly object[] _args;
private readonly IDictionary<object, object> _dict;
public methodcaller(string name, params object[] args) {
_name = name;
_args = args;
}
public methodcaller(string name, [ParamDictionary]IDictionary<object, object> kwargs, params object[] args) {
_name = name;
_args = args;
_dict = kwargs;
}
public override string ToString() {
return String.Format("<operator.methodcaller: {0}>", _name);
}
[SpecialName]
public object Call(CodeContext/*!*/ context, object param) {
object method = PythonOps.GetBoundAttr(context, param, _name);
if (_dict == null) {
return PythonOps.CallWithContext(context, method, _args);
} else {
return PythonCalls.CallWithKeywordArgs(context, method, _args, _dict);
}
}
}
public static object lt(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.LessThan, a, b);
}
public static object le(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.LessThanOrEqual, a, b);
}
public static object eq(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Equal, a, b);
}
public static object ne(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.NotEqual, a, b);
}
public static object ge(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.GreaterThanOrEqual, a, b);
}
public static object gt(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.GreaterThan, a, b);
}
public static object __lt__(CodeContext/*!*/ context, object a, object b) {
return lt(context, a, b);
}
public static object __le__(CodeContext/*!*/ context, object a, object b) {
return le(context, a, b);
}
public static object __eq__(CodeContext/*!*/ context, object a, object b) {
return eq(context, a, b);
}
public static object __ne__(CodeContext/*!*/ context, object a, object b) {
return ne(context, a, b);
}
public static object __ge__(CodeContext/*!*/ context, object a, object b) {
return ge(context, a, b);
}
public static object __gt__(CodeContext/*!*/ context, object a, object b) {
return gt(context, a, b);
}
public static bool not_(object o) {
return PythonOps.Not(o);
}
public static bool __not__(object o) {
return PythonOps.Not(o);
}
public static bool truth(object o) {
return PythonOps.IsTrue(o);
}
public static object is_(object a, object b) {
return PythonOps.Is(a, b);
}
public static object is_not(object a, object b) {
return PythonOps.IsNot(a, b);
}
public static object abs(CodeContext context, object o) {
return Builtin.abs(context, o);
}
public static object __abs__(CodeContext context, object o) {
return Builtin.abs(context, o);
}
public static object add(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Add, a, b);
}
public static object __add__(CodeContext/*!*/ context, object a, object b) {
return add(context, a, b);
}
public static object and_(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.BitwiseAnd, a, b);
}
public static object __and__(CodeContext/*!*/ context, object a, object b) {
return and_(context, a, b);
}
public static object div(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Divide, a, b);
}
public static object __div__(CodeContext/*!*/ context, object a, object b) {
return div(context, a, b);
}
public static object floordiv(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.FloorDivide, a, b);
}
public static object __floordiv__(CodeContext/*!*/ context, object a, object b) {
return floordiv(context, a, b);
}
public static object inv(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object invert(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object __inv__(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object __invert__(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object lshift(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.LeftShift, a, b);
}
public static object __lshift__(CodeContext/*!*/ context, object a, object b) {
return lshift(context, a, b);
}
public static object mod(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Mod, a, b);
}
public static object __mod__(CodeContext/*!*/ context, object a, object b) {
return mod(context, a, b);
}
public static object mul(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Multiply, a, b);
}
public static object __mul__(CodeContext/*!*/ context, object a, object b) {
return mul(context, a, b);
}
public static object neg(object o) {
return PythonOps.Negate(o);
}
public static object __neg__(object o) {
return PythonOps.Negate(o);
}
public static object or_(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.BitwiseOr, a, b);
}
public static object __or__(CodeContext/*!*/ context, object a, object b) {
return or_(context, a, b);
}
public static object pos(object o) {
return PythonOps.Plus(o);
}
public static object __pos__(object o) {
return PythonOps.Plus(o);
}
public static object pow(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Power, a, b);
}
public static object __pow__(CodeContext/*!*/ context, object a, object b) {
return pow(context, a, b);
}
public static object rshift(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.RightShift, a, b);
}
public static object __rshift__(CodeContext/*!*/ context, object a, object b) {
return rshift(context, a, b);
}
public static object sub(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.Subtract, a, b);
}
public static object __sub__(CodeContext/*!*/ context, object a, object b) {
return sub(context, a, b);
}
public static object truediv(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.TrueDivide, a, b);
}
public static object __truediv__(CodeContext/*!*/ context, object a, object b) {
return truediv(context, a, b);
}
public static object xor(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.ExclusiveOr, a, b);
}
public static object __xor__(CodeContext/*!*/ context, object a, object b) {
return xor(context, a, b);
}
public static object concat(CodeContext/*!*/ context, object a, object b) {
TestBothSequence(a, b);
return PythonContext.GetContext(context).Operation(PythonOperationKind.Add, a, b);
}
public static object __concat__(CodeContext/*!*/ context, object a, object b) {
return concat(context, a, b);
}
public static bool contains(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Contains(b, a);
}
public static bool __contains__(CodeContext/*!*/ context, object a, object b) {
return contains(context, a, b);
}
public static int countOf(CodeContext/*!*/ context, object a, object b) {
System.Collections.IEnumerator e = PythonOps.GetEnumerator(a);
int count = 0;
while (e.MoveNext()) {
if (PythonOps.EqualRetBool(context, e.Current, b)) {
count++;
}
}
return count;
}
public static void delitem(CodeContext/*!*/ context, object a, object b) {
PythonContext.GetContext(context).DelIndex(a, b);
}
public static void __delitem__(CodeContext/*!*/ context, object a, object b) {
delitem(context, a, b);
}
public static void delslice(CodeContext/*!*/ context, object a, object b, object c) {
MakeSlice(b, c);
PythonContext.GetContext(context).DelSlice(a, b, c);
}
public static void __delslice__(CodeContext/*!*/ context, object a, object b, object c) {
delslice(context, a, b, c);
}
public static object getitem(CodeContext/*!*/ context, object a, object b) {
return PythonOps.GetIndex(context, a, b);
}
public static object __getitem__(CodeContext/*!*/ context, object a, object b) {
return PythonOps.GetIndex(context, a, b);
}
public static object getslice(CodeContext/*!*/ context, object a, object b, object c) {
return PythonOps.GetIndex(context, a, MakeSlice(b, c));
}
public static object __getslice__(CodeContext/*!*/ context, object a, object b, object c) {
return PythonOps.GetIndex(context, a, MakeSlice(b, c));
}
public static int indexOf(CodeContext/*!*/ context, object a, object b) {
System.Collections.IEnumerator e = PythonOps.GetEnumerator(a);
int index = 0;
while (e.MoveNext()) {
if (PythonOps.EqualRetBool(context, e.Current, b)) {
return index;
}
index++;
}
throw PythonOps.ValueError("object not in sequence");
}
public static object repeat(CodeContext context, object a, object b) {
try {
PythonOps.GetEnumerator(a);
} catch {
throw PythonOps.TypeError("object can't be repeated");
}
try {
Int32Ops.__new__(context, b);
} catch {
throw PythonOps.TypeError("integer required");
}
return PythonContext.GetContext(context).Operation(PythonOperationKind.Multiply, a, b);
}
public static object __repeat__(CodeContext/*!*/ context, object a, object b) {
return repeat(context, a, b);
}
public static object sequenceIncludes(CodeContext/*!*/ context, object a, object b) {
return contains(context, a, b);
}
public static void setitem(CodeContext/*!*/ context, object a, object b, object c) {
PythonContext.GetContext(context).SetIndex(a, b, c);
}
public static void __setitem__(CodeContext/*!*/ context, object a, object b, object c) {
setitem(context, a, b, c);
}
public static void setslice(CodeContext/*!*/ context, object a, object b, object c, object v) {
PythonContext.GetContext(context).SetSlice(a, b, c, v);
}
public static void __setslice__(CodeContext/*!*/ context, object a, object b, object c, object v) {
setslice(context, a, b, c, v);
}
public static bool isCallable(CodeContext/*!*/ context, object o) {
return PythonOps.IsCallable(context, o);
}
public static object isMappingType(CodeContext context, object o) {
return PythonOps.IsMappingType(context, o);
}
public static bool isNumberType(object o) {
return o is int ||
o is long ||
o is double ||
o is float ||
o is short ||
o is uint ||
o is ulong ||
o is ushort ||
o is decimal ||
o is BigInteger ||
o is Complex ||
o is byte;
}
public static bool isSequenceType(object o) {
return
CompilerHelpers.GetType(o) != typeof(PythonType) &&
!(o is PythonDictionary) && (
o is System.Collections.ICollection ||
o is System.Collections.IEnumerable ||
o is System.Collections.IEnumerator ||
o is System.Collections.IList ||
PythonOps.HasAttr(DefaultContext.Default, o, "__getitem__"));
}
private static int SliceToInt(object o) {
int i;
if (Converter.TryConvertToInt32(o, out i)) return i;
throw PythonOps.TypeError("integer expected");
}
private static object MakeSlice(object a, object b) {
return new Slice(SliceToInt(a), SliceToInt(b), null);
}
public static object iadd(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceAdd, a, b);
}
public static object iand(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceBitwiseAnd, a, b);
}
public static object idiv(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceDivide, a, b);
}
public static object ifloordiv(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceFloorDivide, a, b);
}
public static object ilshift(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceLeftShift, a, b);
}
public static object imod(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceMod, a, b);
}
public static object imul(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceMultiply, a, b);
}
public static object ior(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceBitwiseOr, a, b);
}
public static object ipow(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlacePower, a, b);
}
public static object irshift(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceRightShift, a, b);
}
public static object isub(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceSubtract, a, b);
}
public static object itruediv(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceTrueDivide, a, b);
}
public static object ixor(CodeContext/*!*/ context, object a, object b) {
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceExclusiveOr, a, b);
}
public static object iconcat(CodeContext/*!*/ context, object a, object b) {
TestBothSequence(a, b);
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceAdd, a, b);
}
public static object irepeat(CodeContext/*!*/ context, object a, object b) {
if (!isSequenceType(a)) {
throw PythonOps.TypeError("'{0}' object cannot be repeated", PythonTypeOps.GetName(a));
}
try {
Int32Ops.__new__(DefaultContext.Default, b);
} catch {
throw PythonOps.TypeError("integer required");
}
return PythonContext.GetContext(context).Operation(PythonOperationKind.InPlaceMultiply, a, b);
}
public static object __iadd__(CodeContext/*!*/ context, object a, object b) {
return iadd(context, a, b);
}
public static object __iand__(CodeContext/*!*/ context, object a, object b) {
return iand(context, a, b);
}
public static object __idiv__(CodeContext/*!*/ context, object a, object b) {
return idiv(context, a, b);
}
public static object __ifloordiv__(CodeContext/*!*/ context, object a, object b) {
return ifloordiv(context, a, b);
}
public static object __ilshift__(CodeContext/*!*/ context, object a, object b) {
return ilshift(context, a, b);
}
public static object __imod__(CodeContext/*!*/ context, object a, object b) {
return imod(context, a, b);
}
public static object __imul__(CodeContext/*!*/ context, object a, object b) {
return imul(context, a, b);
}
public static object __ior__(CodeContext/*!*/ context, object a, object b) {
return ior(context, a, b);
}
public static object __ipow__(CodeContext/*!*/ context, object a, object b) {
return ipow(context, a, b);
}
public static object __irshift__(CodeContext/*!*/ context, object a, object b) {
return irshift(context, a, b);
}
public static object __isub__(CodeContext/*!*/ context, object a, object b) {
return isub(context, a, b);
}
public static object __itruediv__(CodeContext/*!*/ context, object a, object b) {
return itruediv(context, a, b);
}
public static object __ixor__(CodeContext/*!*/ context, object a, object b) {
return ixor(context, a, b);
}
public static object __iconcat__(CodeContext/*!*/ context, object a, object b) {
return iconcat(context, a, b);
}
public static object __irepeat__(CodeContext/*!*/ context, object a, object b) {
return irepeat(context, a, b);
}
public static object index(object a) {
return __index__(a);
}
public static int __index__(object a) {
return Converter.ConvertToIndex(a);
}
private static void TestBothSequence(object a, object b) {
if (!isSequenceType(a)) {
throw PythonOps.TypeError("'{0}' object cannot be concatenated", PythonTypeOps.GetName(a));
} else if (!isSequenceType(b)) {
throw PythonOps.TypeError("cannot concatenate '{0}' and '{1} objects", PythonTypeOps.GetName(a), PythonTypeOps.GetName(b));
}
}
}
}
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