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bracketedLinearize now reports the binding spots just like the Haskell binding

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This commit is contained in:
krangelov
2021-02-26 14:58:31 +01:00
parent 655173932e
commit 8fbfc0b4a9
1 changed files with 69 additions and 1 deletions
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70
src/runtime/python/pypgf.c
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@@ -2077,6 +2077,58 @@ static PyTypeObject pgf_BracketType = {
0, /*tp_new */
};
typedef struct {
PyObject_HEAD
} BINDObject;
static PyObject *
BIND_repr(BINDObject *self)
{
return PyString_FromString("&+");
}
static PyTypeObject pgf_BINDType = {
PyVarObject_HEAD_INIT(NULL, 0)
//0, /*ob_size*/
"pgf.BIND", /*tp_name*/
sizeof(BINDObject), /*tp_basicsize*/
0, /*tp_itemsize*/
0, /*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, /*tp_hash */
0, /*tp_call*/
(reprfunc) BIND_repr, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
"a marker for BIND in a bracketed string", /*tp_doc*/
0, /*tp_traverse */
0, /*tp_clear */
0, /*tp_richcompare */
0, /*tp_weaklistoffset */
0, /*tp_iter */
0, /*tp_iternext */
0, /*tp_methods */
0, /*tp_members */
0, /*tp_getset */
0, /*tp_base */
0, /*tp_dict */
0, /*tp_descr_get */
0, /*tp_descr_set */
0, /*tp_dictoffset */
0, /*tp_init */
0, /*tp_alloc */
0, /*tp_new */
};
typedef struct {
PgfLinFuncs* funcs;
GuBuf* stack;
@@ -2128,6 +2180,16 @@ pgf_bracket_lzn_end_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, GuString an
state->list = parent;
}
static void
pgf_bracket_lzn_symbol_bind(PgfLinFuncs** funcs)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
PyObject* bind = pgf_BINDType.tp_alloc(&pgf_BINDType, 0);
PyList_Append(state->list, bind);
Py_DECREF(bind);
}
static void
pgf_bracket_lzn_symbol_meta(PgfLinFuncs** funcs, PgfMetaId meta_id)
{
@@ -2139,7 +2201,7 @@ static PgfLinFuncs pgf_bracket_lin_funcs = {
.begin_phrase = pgf_bracket_lzn_begin_phrase,
.end_phrase = pgf_bracket_lzn_end_phrase,
.symbol_ne = NULL,
.symbol_bind = NULL,
.symbol_bind = pgf_bracket_lzn_symbol_bind,
.symbol_capit = NULL,
.symbol_meta = pgf_bracket_lzn_symbol_meta
};
@@ -3559,6 +3621,9 @@ MOD_INIT(pgf)
if (PyType_Ready(&pgf_BracketType) < 0)
return MOD_ERROR_VAL;
if (PyType_Ready(&pgf_BINDType) < 0)
return MOD_ERROR_VAL;
if (PyType_Ready(&pgf_ExprType) < 0)
return MOD_ERROR_VAL;
@@ -3605,5 +3670,8 @@ MOD_INIT(pgf)
PyModule_AddObject(m, "Bracket", (PyObject *) &pgf_BracketType);
Py_INCREF(&pgf_BracketType);
PyModule_AddObject(m, "BIND", (PyObject *) &pgf_BINDType);
Py_INCREF(&pgf_BINDType);
return MOD_SUCCESS_VAL(m);
}