Use Mapper from loopy and rewiting handlers

python/dune/perftool/sumfact/accumulation.py

@@ -41,7 +41,7 @@ from pytools import ImmutableRecord
 import loopy as lp
 import numpy as np
 import pymbolic.primitives as prim
-from pymbolic.mapper import WalkMapper
+from loopy.symbolic import WalkMapper
 import ufl.classes as uc
 from ufl import FiniteElement, MixedElement, TensorProductElement
 
@@ -50,14 +50,6 @@ basis_sf_kernels = generator_factory(item_tags=("basis_sf_kernels",), context_ta
 
 
 class SumfactCollectMapper(WalkMapper):
-    def map_tagged_variable(self, expr, *args, **kwargs):
-        self.visit(expr, *args, **kwargs)
-        self.post_visit(expr, *args, **kwargs)
-
-    def map_variable(self, expr, *args, **kwargs):
-        self.visit(expr, *args, **kwargs)
-        self.post_visit(expr, *args, **kwargs)
-
     def map_sumfact_kernel(self, expr, *args, **kwargs):
         basis_sf_kernels(expr)
         self.visit(expr, *args, **kwargs)