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#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 *a1) { \
return AOP(a1); }
#define spam2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
PyObject *a1, *a2; \
if(! PyArg_UnpackTuple(a,#OP,2,2,&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_UnpackTuple(a,#OP,2,2,&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_UnpackTuple(a,#OP,3,3,&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 *a1) { \
long r; \
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_UnpackTuple(a,#OP,2,2,&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_UnpackTuple(a,#OP,2,2,&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_UnpackTuple(a,#OP,2,2,&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_pow(PyObject *s, PyObject *a)
{
PyObject *a1, *a2;
if (PyArg_UnpackTuple(a,"pow", 2, 2, &a1, &a2))
return PyNumber_Power(a1, a2, Py_None);
return NULL;
}
static PyObject*
is_(PyObject *s, PyObject *a)
{
PyObject *a1, *a2, *result = NULL;
if (PyArg_UnpackTuple(a,"is_", 2, 2, &a1, &a2)) {
result = (a1 == a2) ? Py_True : Py_False;
Py_INCREF(result);
}
return result;
}
static PyObject*
is_not(PyObject *s, PyObject *a)
{
PyObject *a1, *a2, *result = NULL;
if (PyArg_UnpackTuple(a,"is_not", 2, 2, &a1, &a2)) {
result = (a1 != a2) ? Py_True : Py_False;
Py_INCREF(result);
}
return result;
}
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
#undef spam1o
#undef spam1o
#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)},
#define spam1o(OP,DOC) {#OP, OP, METH_O, PyDoc_STR(DOC)},
#define spam2o(OP,ALTOP,DOC) {#OP, op_##OP, METH_O, DOC}, \
{#ALTOP, op_##OP, METH_O, PyDoc_STR(DOC)},
static struct PyMethodDef operator_methods[] = {
spam1o(isCallable,
"isCallable(a) -- Same as callable(a).")
spam1o(isNumberType,
"isNumberType(a) -- Return True if a has a numeric type, False otherwise.")
spam1o(isSequenceType,
"isSequenceType(a) -- Return True if a has a sequence type, False otherwise.")
spam1o(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.")
spam1o(isMappingType,
"isMappingType(a) -- Return True if a has a mapping type, False otherwise.")
spam1(is_, "is_(a, b) -- Same as a is b.")
spam1(is_not, "is_not(a, b) -- Same as a is not b.")
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.")
spam2o(neg,__neg__, "neg(a) -- Same as -a.")
spam2o(pos,__pos__, "pos(a) -- Same as +a.")
spam2o(abs,__abs__, "abs(a) -- Same as abs(a).")
spam2o(inv,__inv__, "inv(a) -- Same as ~a.")
spam2o(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.")
spam2o(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(pow,__pow__, "pow(a, b) -- Same as 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);
}
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