fix(query): store generic predicate pattern index (#388)

Author: davidt

tree_sitter/binding/query.c

@@ -437,6 +437,7 @@ PyObject *query_new(PyTypeObject *cls, PyObject *args, PyObject *Py_UNUSED(kwarg
                     PyObject_New(QueryPredicateGeneric, state->query_predicate_generic_type);
                 predicate->predicate = PyUnicode_FromStringAndSize(predicate_name, length);
                 predicate->arguments = PyList_New(predicate_len - 1);
+				predicate->pattern_index = i;
                 for (uint32_t k = 1; k < predicate_len; ++k) {
                     PyObject *item;
                     if ((predicate_step + k)->type == TSQueryPredicateStepTypeCapture) {

tree_sitter/binding/query_predicates.c

@@ -161,7 +161,8 @@ bool query_satisfies_predicates(Query *query, TSQueryMatch match, Tree *tree, Py
             }
             QueryPredicateGeneric *predicate = (QueryPredicateGeneric *)item;
             PyObject *result = PyObject_CallFunction(callable, "OOIO", predicate->predicate,
-                                                     predicate->arguments, i, captures);
+                                                     predicate->arguments,
+													 predicate->pattern_index, captures);
             if (result == NULL) {
                 is_satisfied = false;
                 break;

tree_sitter/binding/types.h

@@ -76,6 +76,7 @@ typedef struct {
     PyObject_HEAD
     PyObject *predicate;
     PyObject *arguments;
+	uint32_t pattern_index;
 } QueryPredicateGeneric;
 
 typedef struct {