Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
86 lines
3.9 KiB
C
86 lines
3.9 KiB
C
#ifndef __Mzn_OBJECT_H
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#define __Mzn_OBJECT_H
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enum Mzn_Object_Code { MOC_BASE, MOC_EXPR, MOC_ANN, MOC_VARSET, MOC_SET };
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struct MznObject {
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PyObject_HEAD Mzn_Object_Code tid;
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};
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static PyObject* MznObject_new(PyTypeObject* type, PyObject* args, PyObject* kwds) {
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PyObject* self = type->tp_alloc(type, 0);
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reinterpret_cast<MznObject*>(self)->tid = MOC_BASE;
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return self;
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}
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static void MznObject_dealloc(MznObject* self) {
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Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self));
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}
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static PyTypeObject MznObject_Type = {
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PyVarObject_HEAD_INIT(NULL, 0) "minizinc.Object", /* tp_name */
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sizeof(MznObject), /* tp_basicsize */
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0, /* tp_itemsize */
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(destructor)MznObject_dealloc, /* tp_dealloc */
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0, /* tp_print */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_reserved */
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0, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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0, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_BASETYPE, /* tp_flags */
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"Minizinc Object", /* tp_doc */
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0, /* tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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0, /* tp_iter */
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0, /* tp_iternext */
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0, /* tp_methods */
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0, /* tp_members */
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0, /* tp_getset */
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0, /* tp_base */
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0, /* tp_dict */
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0, /* tp_descr_get */
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0, /* tp_descr_set */
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0, /* tp_dictoffset */
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0, /* tp_init */
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0, /* tp_alloc */
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MznObject_new, /* tp_new */
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0, /* tp_free */
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};
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#include "Annotation.h"
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#include "Expression.h"
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#include "Set.h"
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#include "VarSet.h"
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// Note: I have tried adding a function Expression* e() to MznObject,
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// but it didn't work well. The derived objects, after being initialized by PyObject_INIT
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// returns unusable derived functions.
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// While this maybe a little bit annoying, it is the best solution that I can come up with.
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//
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// Returns: MiniZinc expression Expression*
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static Expression* MznObject_get_e(MznObject* self) {
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switch (self->tid) {
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case MOC_BASE:
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return NULL;
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case MOC_SET:
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return reinterpret_cast<MznSet*>(self)->e();
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case MOC_EXPR:
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case MOC_ANN:
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return reinterpret_cast<MznExpression*>(self)->e;
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default:
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throw logic_error("Unhandled type");
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}
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}
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#endif |