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pyobject_setup.cc
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1// -*- c++ -*-
2//*****************************************************************************
3/** @file pyobject_setup.cc
4 *
5 * @author Alexander Dreyer
6 * @date 2010-12-15
7 *
8 * This header file defines the @c blackbox setup operations for the pyobject
9 *
10 * @par Copyright:
11 * (c) 2010 by The Singular Team, see LICENSE file
12**/
13//*****************************************************************************
14
15#include "kernel/mod2.h"
16
17#include "Singular/blackbox.h"
18#include "Singular/ipshell.h"
19
21{
22 return jjLOAD("pyobject.so", TRUE);
23}
24
25/// blackbox support - initialization via autoloading
26void* pyobject_autoload(blackbox* bbx)
27{
28 assume(bbx != NULL);
29 return (pyobject_load() || (bbx->blackbox_Init == pyobject_autoload)?
30 NULL: bbx->blackbox_Init(bbx));
31}
32
33void pyobject_default_destroy(blackbox */*b*/, void */*d*/)
34{
35 WerrorS("Python-based functionality not available!");
36}
37
38// Setting up an empty blackbox type, which can be filled with pyobject
40{
41 blackbox *bbx = (blackbox*)omAlloc0(sizeof(blackbox));
42 bbx->blackbox_Init = pyobject_autoload;
43 bbx->blackbox_destroy = pyobject_default_destroy;
44 setBlackboxStuff(bbx, "pyobject");
45}
46
47/// Explicitely load, if not loaded already
49{
50
51 int tok = -1;
52 blackbox* bbx = (blackboxIsCmd("pyobject", tok) == ROOT_DECL?
53 getBlackboxStuff(tok): (blackbox*)NULL);
54 if (bbx == NULL) return TRUE;
55 return (bbx->blackbox_Init == pyobject_autoload? pyobject_load(): FALSE);
56}
int BOOLEAN
Definition: auxiliary.h:87
#define TRUE
Definition: auxiliary.h:100
#define FALSE
Definition: auxiliary.h:96
int setBlackboxStuff(blackbox *bb, const char *n)
define a new type
Definition: blackbox.cc:142
blackbox * getBlackboxStuff(const int t)
return the structure to the type given by t
Definition: blackbox.cc:17
int blackboxIsCmd(const char *n, int &tok)
used by scanner: returns ROOT_DECL for known types (and the type number in tok)
Definition: blackbox.cc:218
void WerrorS(const char *s)
Definition: feFopen.cc:24
@ ROOT_DECL
Definition: grammar.cc:319
BOOLEAN jjLOAD(const char *s, BOOLEAN autoexport)
load lib/module given in v
Definition: iparith.cc:5512
#define assume(x)
Definition: mod2.h:389
#define omAlloc0(size)
Definition: omAllocDecl.h:211
#define NULL
Definition: omList.c:12
void pyobject_setup()
initialize blackbox support for pyobject; functionilty os autoloaded on demand
static BOOLEAN pyobject_load()
BOOLEAN pyobject_ensure()
Explicitely load, if not loaded already.
void pyobject_default_destroy(blackbox *, void *)
void * pyobject_autoload(blackbox *bbx)
blackbox support - initialization via autoloading