static char 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.\n\ "; /* Copyright Copyright 1996 Digital Creations, L.C., 910 Princess Anne Street, Suite 300, Fredericksburg, Virginia 22401 U.S.A. All rights reserved. Copyright in this software is owned by DCLC, unless otherwise indicated. Permission to use, copy and distribute this software is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear. Note that any product, process or technology described in this software may be the subject of other Intellectual Property rights reserved by Digital Creations, L.C. and are not licensed hereunder. Trademarks Digital Creations & DCLC, are trademarks of Digital Creations, L.C.. All other trademarks are owned by their respective companies. No Warranty The software is provided "as is" without warranty of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. This software could include technical inaccuracies or typographical errors. Changes are periodically made to the software; these changes will be incorporated in new editions of the software. DCLC may make improvements and/or changes in this software at any time without notice. Limitation Of Liability In no event will DCLC be liable for direct, indirect, special, incidental, economic, cover, or consequential damages arising out of the use of or inability to use this software even if advised of the possibility of such damages. Some states do not allow the exclusion or limitation of implied warranties or limitation of liability for incidental or consequential damages, so the above limitation or exclusion may not apply to you. If you have questions regarding this software, contact: Jim Fulton, jim@digicool.com Digital Creations L.C. (540) 371-6909 Modifications Renamed and slightly rearranged by Guido van Rossum */ #include "Python.h" #define spam1(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \ PyObject *a1; \ if(! PyArg_ParseTuple(a,"O",&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",&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",&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",&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",&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",&a1)) return NULL; \ if(-1 == (r=AOP(a1))) return NULL; \ return PyInt_FromLong(r); } #define spami2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \ PyObject *a1, *a2; long r; \ if(! PyArg_ParseTuple(a,"OO",&a1,&a2)) return NULL; \ if(-1 == (r=AOP(a1,a2))) return NULL; \ return PyInt_FromLong(r); } 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_mod , PyNumber_Remainder) spam1(op_neg , PyNumber_Negative) spam1(op_pos , PyNumber_Positive) spam1(op_abs , PyNumber_Absolute) spam1(op_inv , 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) spami2(op_contains , 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) static PyObject* op_getslice(PyObject *s, PyObject *a) { PyObject *a1; int a2,a3; if (!PyArg_ParseTuple(a,"Oii",&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",&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",&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 #ifdef HAVE_OLD_CPP #define spam1(OP,DOC) {"OP", OP, METH_VARARGS, DOC}, #define spam2(OP,ALTOP,DOC) {"OP", op_/**/OP, METH_VARARGS, DOC}, \ {"ALTOP", op_/**/OP, METH_VARARGS, DOC}, #else #define spam1(OP,DOC) {#OP, OP, METH_VARARGS, DOC}, #define spam2(OP,ALTOP,DOC) {#OP, op_##OP, METH_VARARGS, DOC}, \ {#ALTOP, op_##OP, METH_VARARGS, DOC}, #endif static struct PyMethodDef operator_methods[] = { spam1(isCallable, "isCallable(a) -- Same as callable(a).") spam1(isNumberType, "isNumberType(a) -- Return 1 if a has a numeric type, and zero otherwise.") spam1(isSequenceType, "isSequenceType(a) -- Return 1 if a has a sequence type, and zero otherwise.") spam1(truth, "truth(a) -- Return 1 if a is true, and 0 otherwise.") spam2(contains,sequenceIncludes, "contains(a, b) -- Same as b in a (note reversed operands).") 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 1 if a has a mapping type, and zero 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.") 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(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].") {NULL, NULL} /* sentinel */ }; /* Initialization function for the module (*must* be called initoperator) */ DL_EXPORT(void) initoperator() { /* Create the module and add the functions */ Py_InitModule4("operator", operator_methods, operator_doc, (PyObject*)NULL, PYTHON_API_VERSION); }