bindings: python/pydc/pydc.c annotate

annotate python/pydc/pydc.c @ 54:918dab7a6606

- added callback support (comes with some bigger refactoring) - allow CPython's Py{CObject,Capsule} to be used as 'p'ointers

author	Tassilo Philipp
date	Tue, 02 Feb 2021 20:42:02 +0100
parents	03b6934cdd63
children	2e8a56976bf8

rev	line source
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	1 /******************************************************************************
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	2 **
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	3 ** pydc - python dyncall package
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	4 **
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	5 ** python extension package in C
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	6 ** Copyright 2007-2016 Daniel Adler
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	7 ** 2018-2020 Tassilo Philipp
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	8 **
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	9 ** See README.txt for details (about changes, how to use, etc.).
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	10 **
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	11 *****************************************************************************/
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	12
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	13 #include <Python.h>
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	14 #include "dynload.h"
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	15 #include <limits.h>
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	16 #include <assert.h>
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	17
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	18
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	19
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	20 #if ( (PY_VERSION_HEX < 0x02070000) \
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	21 \|\| ((PY_VERSION_HEX >= 0x03000000) \
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	22 && (PY_VERSION_HEX < 0x03010000)) )
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	23 # define DcPyCObject_FromVoidPtr(ptr, dtor) PyCObject_FromVoidPtr((ptr), (dtor)) // !new ref!
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	24 # define DcPyCObject_AsVoidPtr(ppobj) PyCObject_AsVoidPtr((ppobj))
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	25 # define DcPyCObject_SetVoidPtr(ppobj, ptr) PyCObject_SetVoidPtr((ppobj), (ptr))
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	26 # define DcPyCObject_Check(ppobj) PyCObject_Check((ppobj))
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	27 #else
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	28 # define USE_CAPSULE_API
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	29 # define DcPyCObject_FromVoidPtr(ptr, dtor) PyCapsule_New((ptr), NULL, (dtor)) // !new ref!
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	30 # define DcPyCObject_AsVoidPtr(ppobj) PyCapsule_GetPointer((ppobj), NULL)
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	31 # define DcPyCObject_SetVoidPtr(ppobj, ptr) //@@@ unsure what to do, cannot/shouldn't call this with a null pointer as this wants to call the dtor, so not doing anything: PyCapsule_SetPointer((ppobj), (ptr)) // this might need to call the dtor to behave like PyCObject_SetVoidPtr?
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	32 # define DcPyCObject_Check(ppobj) PyCapsule_CheckExact((ppobj))
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	33 #endif
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	34
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	35 #if(PY_VERSION_HEX >= 0x03030000)
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	36 # define PYUNICODE_CACHES_UTF8
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	37 #endif
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	38
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	39 #if PY_MAJOR_VERSION >= 3
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	40 # define EXPECT_LONG_TYPE_STR "an int"
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	41 # define DcPyString_GET_SIZE PyBytes_GET_SIZE
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	42 # define DcPyString_Check PyBytes_Check
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	43 # define DcPyString_AsString PyBytes_AsString
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	44 # define DcPyInt_Check PyLong_Check
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	45 # define DcPyInt_AsLong PyLong_AsLong
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	46 # define DcPyInt_AS_LONG PyLong_AS_LONG
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	47 #else
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	48 # define EXPECT_LONG_TYPE_STR "an int or a long"
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	49 # define DcPyString_GET_SIZE PyString_GET_SIZE
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	50 # define DcPyString_Check PyString_Check
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	51 # define DcPyString_AsString PyString_AsString
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	52 # define DcPyInt_Check PyInt_Check
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	53 # define DcPyInt_AsLong PyInt_AsLong
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	54 # define DcPyInt_AS_LONG PyInt_AS_LONG
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	55 #endif
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	56
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	57 /* PyCObject destructor callback for libhandle */
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	58
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	59 #if defined(USE_CAPSULE_API)
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	60 static void free_library(PyObject* capsule)
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	61 {
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	62 void* libhandle = PyCapsule_GetPointer(capsule, NULL);
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	63 #else
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	64 static void free_library(void* libhandle)
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	65 {
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	66 #endif
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	67 if (libhandle != 0)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	68 dlFreeLibrary(libhandle);
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	69 }
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	70
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	71
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	72 /* load function */
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	73
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	74 static PyObject*
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	75 pydc_load(PyObject* self, PyObject* args)
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	76 {
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	77 const char* libpath;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	78 void* libhandle;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	79
32 2089026debae - allowing 'None' as arg for pydc.load, effectively resulting in dlLoadLibrary(NULL), which is own process Tassilo Philipp parents: 31 diff changeset	80 if (!PyArg_ParseTuple(args,"z", &libpath))
31 622914f1f3bf - some cleanups Tassilo Philipp parents: 30 diff changeset	81 return PyErr_Format(PyExc_RuntimeError, "libpath argument (str) missing");
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	82
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	83 libhandle = dlLoadLibrary(libpath);
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	84
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	85 if (!libhandle)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	86 return PyErr_Format(PyExc_RuntimeError, "dlLoadLibrary('%s') failed", libpath);
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	87
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	88 return DcPyCObject_FromVoidPtr(libhandle, &free_library); // !new ref!
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	89 }
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	90
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	91 /* find function */
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	92
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	93 static PyObject*
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	94 pydc_find(PyObject* self, PyObject* args)
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	95 {
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	96 PyObject* pcobj;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	97 const char* symbol;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	98 void* libhandle;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	99 void* funcptr;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	100
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	101 if (!PyArg_ParseTuple(args, "Os", &pcobj, &symbol))
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	102 return PyErr_Format(PyExc_RuntimeError, "argument mismatch");
16 a40084782546 - added support for more return values to python binding cslag parents: 5 diff changeset	103
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	104 libhandle = DcPyCObject_AsVoidPtr(pcobj);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	105 if (!libhandle)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	106 return PyErr_Format(PyExc_RuntimeError, "libhandle is null");
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	107
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	108 funcptr = dlFindSymbol(libhandle, symbol);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	109 if (!funcptr)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	110 return PyErr_Format(PyExc_RuntimeError, "symbol '%s' not found", symbol);
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	111
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	112 return DcPyCObject_FromVoidPtr(funcptr, NULL); // !new ref!
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	113 }
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	114
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	115 /* free function */
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	116
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	117 static PyObject*
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	118 pydc_free(PyObject* self, PyObject* args)
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	119 {
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	120 PyObject* pcobj;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	121 void* libhandle;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	122
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	123 if (!PyArg_ParseTuple(args, "O", &pcobj))
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	124 return PyErr_Format(PyExc_RuntimeError, "argument mismatch");
16 a40084782546 - added support for more return values to python binding cslag parents: 5 diff changeset	125
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	126 libhandle = DcPyCObject_AsVoidPtr(pcobj);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	127 if (!libhandle)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	128 return PyErr_Format(PyExc_RuntimeError, "libhandle is NULL");
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	129
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	130 dlFreeLibrary(libhandle);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	131 DcPyCObject_SetVoidPtr(pcobj, NULL);
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	132
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	133 //don't think I need to release it, as the pyobj is not equivalent to the held handle
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	134 //Py_XDECREF(pcobj); // release ref from pydc_load()
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	135
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	136 Py_RETURN_NONE;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	137 }
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	138
33 ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	139 /* get_path function */
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	140
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	141 static PyObject*
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	142 pydc_get_path(PyObject* self, PyObject* args)
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	143 {
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	144 PyObject* pcobj;
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	145 PyObject* retobj;
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	146 void* libhandle;
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	147 char* path;
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	148 int path_bufSize;
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	149
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	150 if (!PyArg_ParseTuple(args, "O", &pcobj))
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	151 return PyErr_Format(PyExc_RuntimeError, "argument mismatch");
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	152
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	153 libhandle = (pcobj == Py_None)?NULL:DcPyCObject_AsVoidPtr(pcobj);
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	154 path_bufSize = dlGetLibraryPath(libhandle, NULL, 0);
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	155 if (!path_bufSize)
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	156 return PyErr_Format(PyExc_RuntimeError, "library path cannot be found");
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	157
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	158 path = malloc(path_bufSize);
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	159 if (path_bufSize != dlGetLibraryPath(libhandle, path, path_bufSize)) {
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	160 free(path);
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	161 return PyErr_Format(PyExc_RuntimeError, "library path cannot be queried");
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	162 }
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	163
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	164 retobj = Py_BuildValue("s", path); // !new ref! @@@ UTF-8 input...
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	165 free(path);
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	166 return retobj;
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	167 }
ba47a3d709d7 - pydc: added support to get libhandle's path Tassilo Philipp parents: 32 diff changeset	168
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	169
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	170 #include "dyncall.h"
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	171 #include "dyncall_signature.h"
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	172
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	173
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	174 /* helpers */
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	175
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	176 static inline PyObject* py2dcchar(DCchar* c, PyObject* po, int u, int pos)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	177 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	178 if ( PyUnicode_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	179 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	180 #if (PY_VERSION_HEX < 0x03030000)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	181 Py_UNICODE cu;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	182 if (PyUnicode_GET_SIZE(po) != 1)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	183 #else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	184 Py_UCS4 cu;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	185 if (PyUnicode_GET_LENGTH(po) != 1)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	186 #endif
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	187 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a str with length of 1 (a char string)", pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	188
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	189 #if (PY_VERSION_HEX < 0x03030000)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	190 cu = PyUnicode_AS_UNICODE(po)[0];
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	191 #else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	192 cu = PyUnicode_ReadChar(po, 0);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	193 #endif
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	194 // check against UCHAR_MAX in every case b/c Py_UCS4 is unsigned
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	195 if ( (cu > UCHAR_MAX))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	196 return PyErr_Format( PyExc_RuntimeError, "arg %d out of range - expecting a char code", pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	197 *c = (DCchar) cu;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	198 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	199 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	200
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	201 if ( DcPyString_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	202 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	203 size_t l;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	204 char* s;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	205 l = DcPyString_GET_SIZE(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	206 if (l != 1)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	207 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a str with length of 1 (a char string)", pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	208 s = DcPyString_AsString(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	209 *c = (DCchar) s[0];
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	210 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	211 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	212
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	213 if ( DcPyInt_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	214 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	215 long l = DcPyInt_AsLong(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	216 if (u && (l < 0 \|\| l > UCHAR_MAX))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	217 return PyErr_Format( PyExc_RuntimeError, "arg %d out of range - expecting 0 <= arg <= %d, got %ld", pos, UCHAR_MAX, l );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	218 if (!u && (l < CHAR_MIN \|\| l > CHAR_MAX))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	219 return PyErr_Format( PyExc_RuntimeError, "arg %d out of range - expecting %d <= arg <= %d, got %ld", pos, CHAR_MIN, CHAR_MAX, l );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	220 *c = (DCchar) l;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	221 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	222 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	223
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	224 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a char", pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	225 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	226
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	227 static inline PyObject* py2dcshort(DCshort* s, PyObject* po, int u, int pos)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	228 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	229 long l;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	230 if ( !DcPyInt_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	231 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting an int", pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	232 l = DcPyInt_AS_LONG(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	233 if (u && (l < 0 \|\| l > USHRT_MAX))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	234 return PyErr_Format( PyExc_RuntimeError, "arg %d out of range - expecting 0 <= arg <= %d, got %ld", pos, USHRT_MAX, l );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	235 if (!u && (l < SHRT_MIN \|\| l > SHRT_MAX))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	236 return PyErr_Format( PyExc_RuntimeError, "arg %d out of range - expecting %d <= arg <= %d, got %ld", pos, SHRT_MIN, SHRT_MAX, l );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	237
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	238 *s = (DCshort)l;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	239 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	240 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	241
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	242 static inline PyObject* py2dclonglong(DClonglong* ll, PyObject* po, int pos)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	243 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	244 #if PY_MAJOR_VERSION < 3
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	245 if ( PyInt_Check(po) ) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	246 *ll = (DClonglong) PyInt_AS_LONG(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	247 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	248 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	249 #endif
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	250 if ( !PyLong_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	251 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting " EXPECT_LONG_TYPE_STR, pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	252
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	253 *ll = (DClonglong) PyLong_AsLongLong(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	254 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	255 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	256
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	257 static inline PyObject* py2dcpointer(DCpointer* p, PyObject* po, int pos)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	258 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	259 if ( PyByteArray_Check(po) ) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	260 *p = (DCpointer) PyByteArray_AsString(po); // adds an extra '\0', but that's ok
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	261 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	262 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	263 #if PY_MAJOR_VERSION < 3
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	264 if ( PyInt_Check(po) ) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	265 *p = (DCpointer) PyInt_AS_LONG(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	266 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	267 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	268 #endif
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	269 if ( PyLong_Check(po) ) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	270 *p = (DCpointer) PyLong_AsVoidPtr(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	271 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	272 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	273 if ( po == Py_None ) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	274 *p = NULL;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	275 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	276 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	277 if ( DcPyCObject_Check(po) ) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	278 *p = DcPyCObject_AsVoidPtr(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	279 return po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	280 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	281
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	282 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a promoting pointer-type (int), mutable array (bytearray) or callback func handle (int, created with new_callback())", pos );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	283 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	284
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	285
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	286 DCCallVM* gpCall = NULL;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	287
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	288 // helper to temporarily copy string arguments
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	289 #define NUM_AUX_STRS 64
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	290 static int n_str_aux;
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	291 static char* str_aux[NUM_AUX_STRS]; // hard limit, most likely enough and checked for below @@@ugly though
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	292
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	293
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	294 /* call function */
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	295
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	296 static PyObject*
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	297 pydc_call_impl(PyObject* self, PyObject* args) /* implementation, called by wrapper func pydc_call() */
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	298 {
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	299 const char *sig_ptr;
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	300 char ch;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	301 int pos, ts;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	302 void* pfunc;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	303
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	304 pos = 0;
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	305 ts = PyTuple_Size(args);
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	306 if (ts < 2)
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	307 return PyErr_Format(PyExc_RuntimeError, "argument mismatch");
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	308
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	309 // get ptr to func to call
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	310 pfunc = DcPyCObject_AsVoidPtr(PyTuple_GetItem(args, pos++));
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	311 if (!pfunc)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	312 return PyErr_Format( PyExc_RuntimeError, "function pointer is NULL" );
16 a40084782546 - added support for more return values to python binding cslag parents: 5 diff changeset	313
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	314 // get signature
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	315 #if !defined(PYUNICODE_CACHES_UTF8)
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	316 PyObject* sig_obj = NULL;
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	317 #endif
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	318 PyObject* so = PyTuple_GetItem(args, pos++);
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	319 if ( PyUnicode_Check(so) )
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	320 {
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	321 #if defined(PYUNICODE_CACHES_UTF8)
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	322 sig_ptr = PyUnicode_AsUTF8(so);
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	323 #else
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	324 // w/o PyUnicode_AsUTF8(), which caches the UTF-8 representation, itself, create new ref we'll dec below
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	325 if((sig_obj = PyUnicode_AsEncodedString(so, "utf-8", "strict"))) // !new ref!
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	326 sig_ptr = PyBytes_AS_STRING(sig_obj); // Borrowed pointer
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	327 #endif
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	328 } else if ( DcPyString_Check(so) )
49 d6670bd553dd - comment cleanup Tassilo Philipp parents: 46 diff changeset	329 sig_ptr = DcPyString_AsString(so);
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	330
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	331
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	332
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	333 if (!sig_ptr)
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	334 return PyErr_Format( PyExc_RuntimeError, "signature is NULL" );
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	335
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	336
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	337 dcReset(gpCall);
37 8c8f848131c6 - version bump Tassilo Philipp parents: 36 diff changeset	338 dcMode(gpCall, DC_CALL_C_DEFAULT);
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	339
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	340 for (ch = sig_ptr; ch != '\0' && ch != DC_SIGCHAR_ENDARG; ch = ++sig_ptr)
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	341 {
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	342 PyObject* po;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	343
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	344 if (pos > ts)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	345 return PyErr_Format( PyExc_RuntimeError, "expecting more arguments" );
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	346
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	347 po = PyTuple_GetItem(args, pos);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	348
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	349 ++pos; // incr here, code below uses it as 1-based argument index for error strings
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	350
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	351 switch(ch)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	352 {
35 75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	353 case DC_SIGCHAR_CC_PREFIX:
75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	354 {
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	355 if(*(sig_ptr+1) != '\0')
35 75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	356 {
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	357 DCint mode = dcGetModeFromCCSigChar(*++sig_ptr);
40 1d50532dce12 - added syscall support to shdc Tassilo Philipp parents: 37 diff changeset	358 if(mode != DC_ERROR_UNSUPPORTED_MODE)
1d50532dce12 - added syscall support to shdc Tassilo Philipp parents: 37 diff changeset	359 dcMode(gpCall, mode);
35 75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	360 }
36 b84064293541 - bugfix Tassilo Philipp parents: 35 diff changeset	361 --pos; // didn't count as arg
35 75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	362 }
75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	363 break;
75fe1dec0eb4 - added support for signature-based calling convention switch Tassilo Philipp parents: 34 diff changeset	364
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	365 case DC_SIGCHAR_BOOL:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	366 if ( !PyBool_Check(po) )
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	367 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a bool", pos );
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	368 dcArgBool(gpCall, (Py_True == po) ? DC_TRUE : DC_FALSE);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	369 break;
16 a40084782546 - added support for more return values to python binding cslag parents: 5 diff changeset	370
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	371 case DC_SIGCHAR_CHAR:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	372 case DC_SIGCHAR_UCHAR:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	373 {
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	374 DCchar c;
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	375 if(!py2dcchar(&c, po, ch == DC_SIGCHAR_UCHAR, pos))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	376 return NULL;
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	377 dcArgChar(gpCall, c);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	378 }
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	379 break;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	380
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	381 case DC_SIGCHAR_SHORT:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	382 case DC_SIGCHAR_USHORT:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	383 {
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	384 DCshort s;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	385 if(!py2dcshort(&s, po, ch == DC_SIGCHAR_USHORT, pos))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	386 return NULL;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	387 dcArgShort(gpCall, s);
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	388 }
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	389 break;
16 a40084782546 - added support for more return values to python binding cslag parents: 5 diff changeset	390
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	391 case DC_SIGCHAR_INT:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	392 case DC_SIGCHAR_UINT:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	393 if ( !DcPyInt_Check(po) )
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	394 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting an int", pos );
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	395 dcArgInt(gpCall, (DCint) DcPyInt_AS_LONG(po));
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	396 break;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	397
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	398 case DC_SIGCHAR_LONG:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	399 case DC_SIGCHAR_ULONG:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	400 if ( !DcPyInt_Check(po) )
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	401 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting an int", pos );
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	402 dcArgLong(gpCall, (DClong) PyLong_AsLong(po));
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	403 break;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	404
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	405 case DC_SIGCHAR_LONGLONG:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	406 case DC_SIGCHAR_ULONGLONG:
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	407 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	408 DClonglong ll;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	409 if(!py2dclonglong(&ll, po, pos))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	410 return NULL;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	411 dcArgLongLong(gpCall, ll);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	412 }
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	413 break;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	414
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	415 case DC_SIGCHAR_FLOAT:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	416 if (!PyFloat_Check(po))
51 03b6934cdd63 typo Tassilo Philipp parents: 49 diff changeset	417 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a float", pos );
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	418 dcArgFloat(gpCall, (float)PyFloat_AsDouble(po));
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	419 break;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	420
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	421 case DC_SIGCHAR_DOUBLE:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	422 if (!PyFloat_Check(po))
51 03b6934cdd63 typo Tassilo Philipp parents: 49 diff changeset	423 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a float", pos );
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	424 dcArgDouble(gpCall, PyFloat_AsDouble(po));
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	425 break;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	426
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	427 case DC_SIGCHAR_POINTER: // this will only accept integers, mutable array types (meaning only bytearray) or tuples describing a callback
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	428 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	429 DCpointer p;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	430 if(!py2dcpointer(&p, po, pos))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	431 return NULL;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	432 dcArgPointer(gpCall, p);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	433 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	434 break;
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	435
34 2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	436 case DC_SIGCHAR_STRING: // strings are considered to be immutable objects
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	437 {
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	438 PyObject* bo = NULL;
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	439 const char* p;
34 2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	440 size_t s;
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	441 if ( PyUnicode_Check(po) )
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	442 {
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	443 #if defined(PYUNICODE_CACHES_UTF8)
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	444 p = PyUnicode_AsUTF8(po);
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	445 #else
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	446 // w/o PyUnicode_AsUTF8(), which caches the UTF-8 representation, itself, create new ref we'll dec below
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	447 if((bo = PyUnicode_AsEncodedString(po, "utf-8", "strict"))) // !new ref!
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	448 p = PyBytes_AS_STRING(bo); // Borrowed pointer
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	449 #endif
34 2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	450 } else if ( DcPyString_Check(po) )
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	451 p = DcPyString_AsString(po);
34 2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	452 else if ( PyByteArray_Check(po) )
2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	453 p = (DCpointer) PyByteArray_AsString(po); // adds an extra '\0', but that's ok //@@@ not sure if allowed to modify
2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	454 else
31 622914f1f3bf - some cleanups Tassilo Philipp parents: 30 diff changeset	455 return PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a str", pos );
34 2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	456
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	457 if(n_str_aux >= NUM_AUX_STRS)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	458 return PyErr_Format( PyExc_RuntimeError, "too many arguments (implementation limit of %d new UTF-8 string references reached) - abort", n_str_aux );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	459
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	460 // p points in every case to a buffer that shouldn't be modified, so pass a copy to dyncall (cleaned up after call)
34 2682a627168c - breaking changes: Tassilo Philipp parents: 33 diff changeset	461 s = strlen(p)+1;
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	462 str_aux[n_str_aux] = malloc(s);
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	463 strncpy(str_aux[n_str_aux], p, s);
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	464 Py_XDECREF(bo);
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	465 dcArgPointer(gpCall, (DCpointer)str_aux[n_str_aux++]);
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	466 }
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	467 break;
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	468
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	469 default:
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	470 return PyErr_Format( PyExc_RuntimeError, "unknown signature character '%c'", ch);
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	471 }
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	472 }
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	473
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	474 if (pos != ts)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	475 return PyErr_Format( PyExc_RuntimeError, "too many arguments");
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	476
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	477 if (ch == '\0')
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	478 return PyErr_Format( PyExc_RuntimeError, "return value missing in signature");
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	479
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	480
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	481 ch = *++sig_ptr;
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	482 switch(ch)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	483 {
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	484 // every line creates a new reference passed back to python
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	485 case DC_SIGCHAR_VOID: dcCallVoid (gpCall, pfunc); Py_RETURN_NONE; // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	486 case DC_SIGCHAR_BOOL: if(dcCallBool (gpCall, pfunc)){Py_RETURN_TRUE;}else{Py_RETURN_FALSE;} // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	487 case DC_SIGCHAR_CHAR: return Py_BuildValue("b", dcCallChar (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	488 case DC_SIGCHAR_UCHAR: return Py_BuildValue("B", dcCallChar (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	489 case DC_SIGCHAR_SHORT: return Py_BuildValue("h", dcCallShort (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	490 case DC_SIGCHAR_USHORT: return Py_BuildValue("H", dcCallShort (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	491 case DC_SIGCHAR_INT: return Py_BuildValue("i", dcCallInt (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	492 case DC_SIGCHAR_UINT: return Py_BuildValue("I", dcCallInt (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	493 case DC_SIGCHAR_LONG: return Py_BuildValue("l", dcCallLong (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	494 case DC_SIGCHAR_ULONG: return Py_BuildValue("k", dcCallLong (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	495 case DC_SIGCHAR_LONGLONG: return Py_BuildValue("L", dcCallLongLong(gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	496 case DC_SIGCHAR_ULONGLONG: return Py_BuildValue("K", dcCallLongLong(gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	497 case DC_SIGCHAR_FLOAT: return Py_BuildValue("f", dcCallFloat (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	498 case DC_SIGCHAR_DOUBLE: return Py_BuildValue("d", dcCallDouble (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	499 case DC_SIGCHAR_STRING: return Py_BuildValue("s", dcCallPointer (gpCall, pfunc)); // !new ref!
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	500 case DC_SIGCHAR_POINTER: return Py_BuildValue("n", dcCallPointer (gpCall, pfunc)); // !new ref!
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	501 default: return PyErr_Format(PyExc_RuntimeError, "invalid return type signature");
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	502 // @@@ this could be handled via array lookups of a 256b array instead of switch/case, then share it with callback code if it makes sense
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	503 }
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	504
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	505 #if !defined(PYUNICODE_CACHES_UTF8)
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	506 Py_XDECREF(sig_obj);
c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	507 #endif
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	508 }
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	509
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	510
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	511 static PyObject*
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	512 pydc_call(PyObject* self, PyObject* args)
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	513 {
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	514 int i;
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	515 n_str_aux = 0;
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	516 PyObject* o = pydc_call_impl(self, args);
43 1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	517 for(i = 0; i<n_str_aux; ++i)
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	518 free(str_aux[i]);
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	519 return o;
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	520 }
1086ca649715 - fixed use after free issue with string handling (keeping strings as copy until after call) Tassilo Philipp parents: 40 diff changeset	521
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	522
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	523 #include "dyncall_callback.h"
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	524 #include "dyncall_args.h"
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	525
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	526
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	527 /* PyCObject destructor callback for callback obj */
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	528
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	529 #if defined(USE_CAPSULE_API)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	530 static void free_callback(PyObject* capsule)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	531 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	532 void* cb = PyCapsule_GetPointer(capsule, NULL);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	533 #else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	534 static void free_callback(void* cb)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	535 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	536 #endif
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	537 if (cb != 0)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	538 dcbFreeCallback(cb);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	539 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	540
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	541
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	542 struct callback_userdata {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	543 PyObject* f;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	544 char sig[];
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	545 };
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	546
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	547 /* generic callback handler dispatching to python */
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	548 static char handle_py_callbacks(DCCallback* pcb, DCArgs* args, DCValue* result, void* userdata)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	549 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	550
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	551 struct callback_userdata* x = (struct callback_userdata*)userdata;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	552 const char* sig_ptr = x->sig;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	553
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	554 Py_ssize_t n_args = ((PyCodeObject*)PyFunction_GetCode(x->f))->co_argcount;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	555 Py_ssize_t pos = 0;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	556 PyObject* py_args = PyTuple_New(n_args); // !new ref!
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	557 PyObject* po;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	558 char ch;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	559
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	560 if(py_args)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	561 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	562 // @@@ we could do the below actually by using dyncall itself, piecing together python's sig string and then dcCallPointer(vm, Py_BuildValue, ...)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	563 for (ch = sig_ptr; ch != '\0' && ch != DC_SIGCHAR_ENDARG && pos < n_args; ch = ++sig_ptr)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	564 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	565 switch(ch)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	566 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	567 case DC_SIGCHAR_CC_PREFIX: assert((sig_ptr+1) == DC_SIGCHAR_CC_DEFAULT); / not handling callbacks to anything but default callconf */ break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	568 case DC_SIGCHAR_BOOL: PyTuple_SET_ITEM(py_args, pos++, PyBool_FromLong(dcbArgBool (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	569 case DC_SIGCHAR_CHAR: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("b", dcbArgChar (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	570 case DC_SIGCHAR_UCHAR: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("B", dcbArgUChar (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	571 case DC_SIGCHAR_SHORT: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("h", dcbArgShort (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	572 case DC_SIGCHAR_USHORT: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("H", dcbArgUShort (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	573 case DC_SIGCHAR_INT: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("i", dcbArgInt (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	574 case DC_SIGCHAR_UINT: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("I", dcbArgUInt (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	575 case DC_SIGCHAR_LONG: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("l", dcbArgLong (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	576 case DC_SIGCHAR_ULONG: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("k", dcbArgULong (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	577 case DC_SIGCHAR_LONGLONG: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("L", dcbArgLongLong (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	578 case DC_SIGCHAR_ULONGLONG: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("K", dcbArgULongLong(args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	579 case DC_SIGCHAR_FLOAT: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("f", dcbArgFloat (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	580 case DC_SIGCHAR_DOUBLE: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("d", dcbArgDouble (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	581 case DC_SIGCHAR_STRING: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("s", dcbArgPointer (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	582 case DC_SIGCHAR_POINTER: PyTuple_SET_ITEM(py_args, pos++, Py_BuildValue("n", dcbArgPointer (args))); break; // !new ref! (but "stolen" by SET_ITEM)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	583 default: /* will lead to "signature not matching" error */ pos = n_args; break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	584 // @@@ this could be handled via array lookups of a 256b array instead of switch/case, then share it with call code (for returns) if it makes sense
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	585 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	586 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	587
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	588
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	589 // we must be at end of sigstring, here
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	590 if(ch == ')')
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	591 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	592 po = PyEval_CallObject(x->f, py_args);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	593 if(po)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	594 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	595 // return value type
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	596 ch = *++sig_ptr;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	597
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	598 // @@@ copypasta from above, as a bit different, NO error handling right now, NO handling of 'Z', ...
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	599 switch(ch)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	600 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	601 case DC_SIGCHAR_BOOL:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	602 if ( !PyBool_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	603 PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a bool", -1 );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	604 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	605 result->B = ((Py_True == po) ? DC_TRUE : DC_FALSE);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	606 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	607
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	608 case DC_SIGCHAR_CHAR:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	609 case DC_SIGCHAR_UCHAR:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	610 py2dcchar(&result->c, po, ch == DC_SIGCHAR_UCHAR, -1);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	611 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	612
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	613 case DC_SIGCHAR_SHORT:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	614 case DC_SIGCHAR_USHORT:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	615 py2dcshort(&result->s, po, ch == DC_SIGCHAR_USHORT, -1);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	616 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	617
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	618 case DC_SIGCHAR_INT:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	619 case DC_SIGCHAR_UINT:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	620 if ( !DcPyInt_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	621 PyErr_Format( PyExc_RuntimeError, "arg %d - expecting an int", -1 );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	622 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	623 result->i = (DCint) DcPyInt_AS_LONG(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	624 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	625
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	626 case DC_SIGCHAR_LONG:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	627 case DC_SIGCHAR_ULONG:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	628 if ( !DcPyInt_Check(po) )
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	629 PyErr_Format( PyExc_RuntimeError, "arg %d - expecting an int", -1 );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	630 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	631 result->j = (DClong) PyLong_AsLong(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	632 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	633
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	634 case DC_SIGCHAR_LONGLONG:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	635 case DC_SIGCHAR_ULONGLONG:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	636 py2dclonglong(&result->l, po, -1);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	637 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	638
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	639 case DC_SIGCHAR_FLOAT:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	640 if (!PyFloat_Check(po))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	641 PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a float", -1 );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	642 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	643 result->f = (float)PyFloat_AsDouble(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	644 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	645
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	646 case DC_SIGCHAR_DOUBLE:
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	647 if (!PyFloat_Check(po))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	648 PyErr_Format( PyExc_RuntimeError, "arg %d - expecting a float", -1 );
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	649 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	650 result->d = PyFloat_AsDouble(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	651 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	652
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	653 case DC_SIGCHAR_POINTER: // this will only accept integers, mutable array types (meaning only bytearray) or tuples describing a callback
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	654 py2dcpointer(&result->p, po, -1);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	655 break;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	656 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	657
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	658
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	659 Py_DECREF(po);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	660 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	661 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	662 PyErr_SetString(PyExc_RuntimeError, "callback error: unknown error calling back python callback function");
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	663 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	664 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	665 PyErr_Format(PyExc_RuntimeError, "callback error: python callback doesn't match signature argument count or signature wrong (invalid sig char or return type not specified)");
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	666
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	667 Py_DECREF(py_args);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	668 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	669 else
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	670 PyErr_SetString(PyExc_RuntimeError, "callback error: unknown error creating python arg tuple");
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	671
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	672 // as callbacks might be called repeatedly we don't want the error indicator to pollute other calls, so print
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	673 if(PyErr_Occurred) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	674 PyErr_Print();
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	675 return 'v'; // used as return char for errors @@@ unsure if smart, but it would at least indicate that no return value was set
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	676 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	677
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	678 return ch;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	679 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	680
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	681
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	682 /* new callback object function */
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	683
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	684 static PyObject*
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	685 pydc_new_callback(PyObject* self, PyObject* args)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	686 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	687 PyObject* f;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	688 const char* sig;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	689 struct callback_userdata* ud;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	690 DCCallback* cb;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	691
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	692 if (!PyArg_ParseTuple(args, "sO", &sig, &f) \|\| !PyFunction_Check(f))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	693 return PyErr_Format(PyExc_RuntimeError, "argument mismatch");
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	694
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	695 // pass signature and f (as borrowed ptr) in userdata; not incrementing f's refcount,
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	696 // b/c we can probably expect user making sure callback exists when its needed/called
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	697 ud = malloc(sizeof(struct callback_userdata) + strlen(sig)+1);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	698 cb = dcbNewCallback(sig, handle_py_callbacks, ud);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	699 if(!cb) {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	700 free(ud);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	701 Py_RETURN_NONE;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	702 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	703
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	704 ud->f = f;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	705 strcpy(ud->sig, sig);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	706 return DcPyCObject_FromVoidPtr(cb, &free_callback); // !new ref!
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	707 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	708
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	709 /* free callback object function */
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	710
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	711 static PyObject*
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	712 pydc_free_callback(PyObject* self, PyObject* args)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	713 {
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	714 PyObject* pcobj;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	715 void* cb;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	716
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	717 if (!PyArg_ParseTuple(args, "O", &pcobj))
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	718 return PyErr_Format(PyExc_RuntimeError, "argument mismatch");
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	719
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	720 cb = DcPyCObject_AsVoidPtr(pcobj);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	721 if (!cb)
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	722 return PyErr_Format(PyExc_RuntimeError, "cbhandle is NULL");
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	723
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	724 free(dcbGetUserData(cb)); // free helper struct callback_userdata
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	725
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	726 dcbFreeCallback(cb);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	727 DcPyCObject_SetVoidPtr(pcobj, NULL);
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	728
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	729 //don't think I need to release it, as the pyobj is not equivalent to the held handle
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	730 //Py_XDECREF(pcobj); // release ref from pydc_load()
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	731
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	732 Py_RETURN_NONE;
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	733 }
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	734
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	735
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	736
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	737
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	738 // module deinit
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	739 static void deinit_pydc(void* x)
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	740 {
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	741 if(gpCall) {
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	742 dcFree(gpCall);
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	743 gpCall = NULL;
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	744 }
baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	745 }
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	746
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	747
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	748 #define PYDC_TO_STR_(x) #x
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	749 #define PYDC_TO_STR(x) PYDC_TO_STR_(x)
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	750 #define PYDC_CONCAT_(x, y) x ## y
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	751 #define PYDC_CONCAT(x, y) PYDC_CONCAT_(x, y)
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	752
46 c21d1c2c84e1 - removed pydc.py wrapper overhead (which only called pydcext.so functions, directly, anyways) Tassilo Philipp parents: 44 diff changeset	753 #define PYDC_MOD_NAME pydc
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	754 #define PYDC_MOD_NAME_STR PYDC_TO_STR(PYDC_MOD_NAME)
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	755 #define PYDC_MOD_DESC_STR "dyncall bindings for python"
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	756
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	757 #if PY_MAJOR_VERSION >= 3
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	758 # define PY_MOD_INIT_FUNC_NAME PYDC_CONCAT(PyInit_, PYDC_MOD_NAME)
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	759 #else
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	760 # define PY_MOD_INIT_FUNC_NAME PYDC_CONCAT(init, PYDC_MOD_NAME)
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	761 #endif
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	762
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	763
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	764 PyMODINIT_FUNC
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	765 PY_MOD_INIT_FUNC_NAME(void)
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	766 {
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	767 static PyMethodDef pydcMethods[] = {
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	768 {"load", pydc_load, METH_VARARGS, "load library" },
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	769 {"find", pydc_find, METH_VARARGS, "find symbols" },
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	770 {"free", pydc_free, METH_VARARGS, "free library" },
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	771 {"get_path", pydc_get_path, METH_VARARGS, "get library path" },
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	772 {"call", pydc_call, METH_VARARGS, "call function" },
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	773 {"new_callback", pydc_new_callback, METH_VARARGS, "new callback obj" }, // @@@ doc: only functions, not every callable, and only with positional args
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	774 {"free_callback", pydc_free_callback, METH_VARARGS, "free callback obj"},
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	775 {NULL,NULL,0,NULL}
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	776 };
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	777
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	778 PyObject* m;
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	779 #if PY_MAJOR_VERSION >= 3
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	780 static struct PyModuleDef moddef = { PyModuleDef_HEAD_INIT, PYDC_MOD_NAME_STR, PYDC_MOD_DESC_STR, -1, pydcMethods, NULL, NULL, NULL, deinit_pydc };
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	781 m = PyModule_Create(&moddef);
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	782 #else
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	783 m = Py_InitModule3(PYDC_MOD_NAME_STR, pydcMethods, PYDC_MOD_DESC_STR);
30 baf087cf5971 - fixed two ref counting problems Tassilo Philipp parents: 29 diff changeset	784 // NOTE: there is no way to pass a pointer to deinit_pydc - see PEP 3121 for details
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	785 #endif
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	786
54 918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	787 /* we convert pointers to python ints via Py_BuildValue('n', ...) which expects Py_ssize_t */
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	788 assert(sizeof(Py_ssize_t) >= sizeof(void*));
918dab7a6606 - added callback support (comes with some bigger refactoring) Tassilo Philipp parents: 51 diff changeset	789
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	790 if(m)
6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	791 gpCall = dcNewCallVM(4096); //@@@ one shared callvm for the entire module, this is not reentrant
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	792
edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	793 #if PY_MAJOR_VERSION >= 3
29 6cc2b7fc7ea2 bigger pydc update: Tassilo Philipp parents: 28 diff changeset	794 return m;
28 edbbd467f50a python binding: Tassilo Philipp parents: 16 diff changeset	795 #endif
0 0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	796 }
0cfcc391201f initial from svn dyncall-1745 Daniel Adler parents: diff changeset	797

Mercurial > pub > dyncall > bindings

annotate python/pydc/pydc.c @ 54:918dab7a6606