summaryrefslogtreecommitdiffstats
path: root/Modules/operator.c
blob: 229fbac1014b4f4960d979e0678c7276219a9a66 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228

#include "Python.h"

PyDoc_STRVAR(operator_doc,
"Operator interface.\n\
\n\
This module exports a set of functions implemented in C corresponding\n\
to the intrinsic operators of Python.  For example, operator.add(x, y)\n\
is equivalent to the expression x+y.  The function names are those\n\
used for special class methods; variants without leading and trailing\n\
'__' are also provided for convenience.");

#define spam1(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1; \
  if(! PyArg_ParseTuple(a,"O:" #OP,&a1)) return NULL; \
  return AOP(a1); }

#define spam2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1, *a2; \
  if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
  return AOP(a1,a2); }

#define spamoi(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1; int a2; \
  if(! PyArg_ParseTuple(a,"Oi:" #OP,&a1,&a2)) return NULL; \
  return AOP(a1,a2); }

#define spam2n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1, *a2; \
  if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
  if(-1 == AOP(a1,a2)) return NULL; \
  Py_INCREF(Py_None); \
  return Py_None; }

#define spam3n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1, *a2, *a3; \
  if(! PyArg_ParseTuple(a,"OOO:" #OP,&a1,&a2,&a3)) return NULL; \
  if(-1 == AOP(a1,a2,a3)) return NULL; \
  Py_INCREF(Py_None); \
  return Py_None; }

#define spami(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1; long r; \
  if(! PyArg_ParseTuple(a,"O:" #OP,&a1)) return NULL; \
  if(-1 == (r=AOP(a1))) return NULL; \
  return PyBool_FromLong(r); }

#define spami2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1, *a2; long r; \
  if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
  if(-1 == (r=AOP(a1,a2))) return NULL; \
  return PyInt_FromLong(r); }

#define spami2b(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1, *a2; long r; \
  if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
  if(-1 == (r=AOP(a1,a2))) return NULL; \
  return PyBool_FromLong(r); }

#define spamrc(OP,A) static PyObject *OP(PyObject *s, PyObject *a) { \
  PyObject *a1, *a2; \
  if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
  return PyObject_RichCompare(a1,a2,A); }

spami(isCallable       , PyCallable_Check)
spami(isNumberType     , PyNumber_Check)
spami(truth            , PyObject_IsTrue)
spam2(op_add           , PyNumber_Add)
spam2(op_sub           , PyNumber_Subtract)
spam2(op_mul           , PyNumber_Multiply)
spam2(op_div           , PyNumber_Divide)
spam2(op_floordiv      , PyNumber_FloorDivide)
spam2(op_truediv       , PyNumber_TrueDivide)
spam2(op_mod           , PyNumber_Remainder)
spam1(op_neg           , PyNumber_Negative)
spam1(op_pos           , PyNumber_Positive)
spam1(op_abs           , PyNumber_Absolute)
spam1(op_inv           , PyNumber_Invert)
spam1(op_invert        , PyNumber_Invert)
spam2(op_lshift        , PyNumber_Lshift)
spam2(op_rshift        , PyNumber_Rshift)
spami(op_not_          , PyObject_Not)
spam2(op_and_          , PyNumber_And)
spam2(op_xor           , PyNumber_Xor)
spam2(op_or_           , PyNumber_Or)
spami(isSequenceType   , PySequence_Check)
spam2(op_concat        , PySequence_Concat)
spamoi(op_repeat       , PySequence_Repeat)
spami2b(op_contains     , PySequence_Contains)
spami2b(sequenceIncludes, PySequence_Contains)
spami2(indexOf         , PySequence_Index)
spami2(countOf         , PySequence_Count)
spami(isMappingType    , PyMapping_Check)
spam2(op_getitem       , PyObject_GetItem)
spam2n(op_delitem       , PyObject_DelItem)
spam3n(op_setitem      , PyObject_SetItem)
spamrc(op_lt           , Py_LT)
spamrc(op_le           , Py_LE)
spamrc(op_eq           , Py_EQ)
spamrc(op_ne           , Py_NE)
spamrc(op_gt           , Py_GT)
spamrc(op_ge           , Py_GE)

static PyObject*
op_getslice(PyObject *s, PyObject *a)
{
        PyObject *a1;
        int a2,a3;

        if (!PyArg_ParseTuple(a,"Oii:getslice",&a1,&a2,&a3))
                return NULL;
        return PySequence_GetSlice(a1,a2,a3);
}

static PyObject*
op_setslice(PyObject *s, PyObject *a)
{
        PyObject *a1, *a4;
        int a2,a3;

        if (!PyArg_ParseTuple(a,"OiiO:setslice",&a1,&a2,&a3,&a4))
                return NULL;

        if (-1 == PySequence_SetSlice(a1,a2,a3,a4))
                return NULL;

        Py_INCREF(Py_None);
        return Py_None;
}

static PyObject*
op_delslice(PyObject *s, PyObject *a)
{
        PyObject *a1;
        int a2,a3;

        if(! PyArg_ParseTuple(a,"Oii:delslice",&a1,&a2,&a3))
                return NULL;

        if (-1 == PySequence_DelSlice(a1,a2,a3))
                return NULL;

        Py_INCREF(Py_None);
        return Py_None;
}

#undef spam1
#undef spam2
#define spam1(OP,DOC) {#OP, OP, METH_VARARGS, PyDoc_STR(DOC)},
#define spam2(OP,ALTOP,DOC) {#OP, op_##OP, METH_VARARGS, DOC}, \
			   {#ALTOP, op_##OP, METH_VARARGS, PyDoc_STR(DOC)}, 

static struct PyMethodDef operator_methods[] = {

spam1(isCallable,
 "isCallable(a) -- Same as callable(a).")
spam1(isNumberType,
 "isNumberType(a) -- Return True if a has a numeric type, False otherwise.")
spam1(isSequenceType,
 "isSequenceType(a) -- Return True if a has a sequence type, False otherwise.")
spam1(truth,
 "truth(a) -- Return True if a is true, False otherwise.")
spam2(contains,__contains__,
 "contains(a, b) -- Same as b in a (note reversed operands).")
spam1(sequenceIncludes,
 "sequenceIncludes(a, b) -- Same as b in a (note reversed operands; deprecated).")
spam1(indexOf,
 "indexOf(a, b) -- Return the first index of b in a.")
spam1(countOf,
 "countOf(a, b) -- Return the number of times b occurs in a.")
spam1(isMappingType,
 "isMappingType(a) -- Return True if a has a mapping type, False otherwise.")

spam2(add,__add__, "add(a, b) -- Same as a + b.")
spam2(sub,__sub__, "sub(a, b) -- Same as a - b.")
spam2(mul,__mul__, "mul(a, b) -- Same as a * b.")
spam2(div,__div__, "div(a, b) -- Same as a / b when __future__.division is not in effect.")
spam2(floordiv,__floordiv__, "floordiv(a, b) -- Same as a // b.")
spam2(truediv,__truediv__, "truediv(a, b) -- Same as a / b when __future__.division is in effect.")
spam2(mod,__mod__, "mod(a, b) -- Same as a % b.")
spam2(neg,__neg__, "neg(a) -- Same as -a.")
spam2(pos,__pos__, "pos(a) -- Same as +a.")
spam2(abs,__abs__, "abs(a) -- Same as abs(a).")
spam2(inv,__inv__, "inv(a) -- Same as ~a.")
spam2(invert,__invert__, "invert(a) -- Same as ~a.")
spam2(lshift,__lshift__, "lshift(a, b) -- Same as a << b.")
spam2(rshift,__rshift__, "rshift(a, b) -- Same as a >> b.")
spam2(not_,__not__, "not_(a) -- Same as not a.")
spam2(and_,__and__, "and_(a, b) -- Same as a & b.")
spam2(xor,__xor__, "xor(a, b) -- Same as a ^ b.")
spam2(or_,__or__, "or_(a, b) -- Same as a | b.")
spam2(concat,__concat__,
 "concat(a, b) -- Same as a + b, for a and b sequences.")
spam2(repeat,__repeat__,
 "repeat(a, b) -- Return a * b, where a is a sequence, and b is an integer.")
spam2(getitem,__getitem__,
 "getitem(a, b) -- Same as a[b].")
spam2(setitem,__setitem__,
 "setitem(a, b, c) -- Same as a[b] = c.")
spam2(delitem,__delitem__,
 "delitem(a, b) -- Same as del a[b].")
spam2(getslice,__getslice__,
 "getslice(a, b, c) -- Same as a[b:c].")
spam2(setslice,__setslice__,
"setslice(a, b, c, d) -- Same as a[b:c] = d.")
spam2(delslice,__delslice__,
"delslice(a, b, c) -- Same as del a[b:c].")
spam2(lt,__lt__, "lt(a, b) -- Same as a<b.")
spam2(le,__le__, "le(a, b) -- Same as a<=b.")
spam2(eq,__eq__, "eq(a, b) -- Same as a==b.")
spam2(ne,__ne__, "ne(a, b) -- Same as a!=b.")
spam2(gt,__gt__, "gt(a, b) -- Same as a>b.")
spam2(ge,__ge__, "ge(a, b) -- Same as a>=b.")

	{NULL,		NULL}		/* sentinel */

};


/* Initialization function for the module (*must* be called initoperator) */

PyMODINIT_FUNC
initoperator(void)
{
        /* Create the module and add the functions */
        Py_InitModule4("operator", operator_methods, operator_doc,
		       (PyObject*)NULL, PYTHON_API_VERSION);
}