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Add ExprApp to Python bindings

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This commit is contained in:
John J. Camilleri
2021-09-14 15:28:39 +02:00
parent 6ebb8e5fda
commit fd61a6c0d3
5 changed files with 140 additions and 10 deletions
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90
src/runtime/python/expr.c
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@@ -139,7 +139,7 @@ ExprFun_init(ExprFunObject *self, PyObject *args, PyObject *kwds)
if (!PyArg_ParseTuple(args, "U", &lit)) {
return -1;
}
self->fun = lit;
self->name = lit;
return 0;
}
@@ -147,7 +147,7 @@ static PyObject *
ExprFun_richcompare(ExprFunObject *t1, ExprFunObject *t2, int op)
{
bool same = false;
if (PyUnicode_Compare(t1->fun, t2->fun) != 0) goto done;
if (PyUnicode_Compare(t1->name, t2->name) != 0) goto done;
same = true;
done:
@@ -207,6 +207,92 @@ PyTypeObject pgf_ExprFunType = {
// ----------------------------------------------------------------------------
static ExprAppObject *
ExprApp_new(PyTypeObject *subtype, PyObject *args, PyObject *kwds)
{
ExprAppObject* self = (ExprAppObject *)subtype->tp_alloc(subtype, 0);
return self;
}
static int
ExprApp_init(ExprAppObject *self, PyObject *args, PyObject *kwds)
{
PyObject* e1 = NULL;
PyObject* e2 = NULL;
if (!PyArg_ParseTuple(args, "O!O!", &pgf_ExprType, &e1, &pgf_ExprType, &e2)) {
return -1;
}
self->e1 = (ExprObject *)e1;
self->e2 = (ExprObject *)e2;
return 0;
}
static PyObject *
ExprApp_richcompare(ExprAppObject *t1, ExprAppObject *t2, int op)
{
bool same = false;
// TODO
same = true;
// done:
if (op == Py_EQ) {
if (same) Py_RETURN_TRUE; else Py_RETURN_FALSE;
} else if (op == Py_NE) {
if (same) Py_RETURN_FALSE; else Py_RETURN_TRUE;
} else {
PyErr_SetString(PyExc_TypeError, "comparison operation not supported");
Py_RETURN_NOTIMPLEMENTED;
}
}
/* static */
PyTypeObject pgf_ExprAppType = {
PyVarObject_HEAD_INIT(NULL, 0)
//0, /*ob_size*/
"pgf.ExprApp", /*tp_name*/
sizeof(ExprAppObject), /*tp_basicsize*/
0, /*tp_itemsize*/
0, //(destructor)Expr_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, //(hashfunc) Expr_hash, /*tp_hash */
0, //(ternaryfunc) Expr_call, /*tp_call*/
0, //(reprfunc) Expr_str, /*tp_str*/
0, //(getattrofunc) Expr_getattro,/*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
"application", /*tp_doc*/
0, /*tp_traverse */
0, /*tp_clear */
(richcmpfunc) ExprApp_richcompare, /*tp_richcompare */
0, /*tp_weaklistoffset */
0, /*tp_iter */
0, /*tp_iternext */
0, //Expr_methods, /*tp_methods */
0, /*tp_members */
0, //Expr_getseters, /*tp_getset */
&pgf_ExprType, /*tp_base */
0, /*tp_dict */
0, /*tp_descr_get */
0, /*tp_descr_set */
0, /*tp_dictoffset */
(initproc) ExprApp_init, /*tp_init */
0, /*tp_alloc */
(newfunc) ExprApp_new, /*tp_new */
};
// ----------------------------------------------------------------------------
static ExprLitObject *
ExprLit_new(PyTypeObject *subtype, PyObject *args, PyObject *kwds)
{