[Mlir-commits] [mlir] [MLIR][Python] Add bindings for PDL native rewrite function registering (PR #159926)

[Maksim Levental]

================
@@ -76,10 +118,27 @@ class PyFrozenRewritePatternSet {
 
 /// Create the `mlir.rewrite` here.
 void mlir::python::populateRewriteSubmodule(nb::module_ &m) {
+  nb::class_<MlirPatternRewriter>(m, "PatternRewriter");
   //----------------------------------------------------------------------------
-  // Mapping of the top-level PassManager
+  // Mapping of the PDLResultList and PDLModule
   //----------------------------------------------------------------------------
 #if MLIR_ENABLE_PDL_IN_PATTERNMATCH
+  nb::class_<MlirPDLResultList>(m, "PDLResultList")
+      .def("push_back",
+           [](MlirPDLResultList results, const PyValue &value) {
+             mlirPDLResultListPushBackValue(results, value);
+           })
+      .def("push_back",
+           [](MlirPDLResultList results, const PyOperation &op) {
+             mlirPDLResultListPushBackOperation(results, op);
+           })
+      .def("push_back",
+           [](MlirPDLResultList results, const PyType &type) {
+             mlirPDLResultListPushBackType(results, type);
+           })
+      .def("push_back", [](MlirPDLResultList results, const PyAttribute &attr) {
+        mlirPDLResultListPushBackAttribute(results, attr);
+      });
----------------
makslevental wrote:

since https://github.com/llvm/llvm-project/pull/157930 is about to land, can you add `nb::sig` here. E.g.,

```c++
nb::sig("def push_back(self, " MAKE_MLIR_PYTHON_QUALNAME("ir.Attribute") ")")
```

https://github.com/llvm/llvm-project/pull/159926