diff --git a/pystencils/astnodes.py b/pystencils/astnodes.py
index a0ca26fdd9efb9be827ef5ffbf2deed9d5a79a1f..67ad6869fa6b98b9b807940a742afb7d9544097a 100644
--- a/pystencils/astnodes.py
+++ b/pystencils/astnodes.py
@@ -676,59 +676,5 @@ def early_out(condition):
return Conditional(vec_all(condition), Block([SkipIteration()]))
-class DestructuringBindingsForFieldClass(Node):
- """
- Defines all variables needed for describing a field (shape, pointer, strides)
- """
- CLASS_TO_MEMBER_DICT = {
- FieldPointerSymbol: "data",
- FieldShapeSymbol: "shape[%i]",
- FieldStrideSymbol: "stride[%i]"
- }
- CLASS_NAME_TEMPLATE = "PyStencilsField<{dtype}, {ndim}>"
-
- @property
- def fields_accessed(self) -> Set['ResolvedFieldAccess']:
- """Set of Field instances: fields which are accessed inside this kernel function"""
- return set(o.field for o in self.atoms(ResolvedFieldAccess))
-
- def __init__(self, body):
- super(DestructuringBindingsForFieldClass, self).__init__()
- self.headers = ['<PyStencilsField.h>']
- self.body = body
-
- @property
- def args(self) -> List[NodeOrExpr]:
- """Returns all arguments/children of this node."""
- return set()
-
- @property
- def symbols_defined(self) -> Set[sp.Symbol]:
- """Set of symbols which are defined by this node."""
- undefined_field_symbols = {s for s in self.body.undefined_symbols
- if isinstance(s, (FieldPointerSymbol, FieldShapeSymbol, FieldStrideSymbol))}
- return undefined_field_symbols
-
- @property
- def undefined_symbols(self) -> Set[sp.Symbol]:
- field_map = {f.name: f for f in self.fields_accessed}
- undefined_field_symbols = self.symbols_defined
- corresponding_field_names = {s.field_name for s in undefined_field_symbols if hasattr(s, 'field_name')}
- corresponding_field_names |= {s.field_names[0] for s in undefined_field_symbols if hasattr(s, 'field_names')}
- return {TypedSymbol(f, self.CLASS_NAME_TEMPLATE.format(dtype=field_map[f].dtype, ndim=field_map[f].ndim) + '&')
- for f in corresponding_field_names} | (self.body.undefined_symbols - undefined_field_symbols)
-
- def subs(self, subs_dict) -> None:
- """Inplace! substitute, similar to sympy's but modifies the AST inplace."""
- self.body.subs(subs_dict)
-
- @property
- def func(self):
- return self.__class__
-
- def atoms(self, arg_type) -> Set[Any]:
- return self.body.atoms(arg_type) | {s for s in self.symbols_defined if isinstance(s, arg_type)}
-
-
def get_dummy_symbol(dtype='bool'):
return TypedSymbol('dummy%s' % uuid.uuid4().hex, create_type(dtype))
diff --git a/pystencils/backends/cbackend.py b/pystencils/backends/cbackend.py
index 197e21d8140f82b0f4d92aad47975f79885884fc..ec5a930fe9cba4fbe71b8cb5ff3086d4be216073 100644
--- a/pystencils/backends/cbackend.py
+++ b/pystencils/backends/cbackend.py
@@ -15,7 +15,6 @@ from pystencils.fast_approximation import fast_division, fast_inv_sqrt, fast_sqr
from pystencils.integer_functions import (
bit_shift_left, bit_shift_right, bitwise_and, bitwise_or, bitwise_xor,
int_div, int_power_of_2, modulo_ceil)
-from pystencils.kernelparameters import FieldPointerSymbol
try:
from sympy.printing.ccode import C99CodePrinter as CCodePrinter
@@ -276,24 +275,6 @@ class CBackend:
result += "else " + false_block
return result
- def _print_DestructuringBindingsForFieldClass(self, node):
- # Define all undefined symbols
- undefined_field_symbols = node.symbols_defined
- destructuring_bindings = ["%s %s = %s.%s;" %
- (u.dtype,
- u.name,
- u.field_name if hasattr(u, 'field_name') else u.field_names[0],
- node.CLASS_TO_MEMBER_DICT[u.__class__] %
- (() if type(u) == FieldPointerSymbol else (u.coordinate,)))
- for u in undefined_field_symbols
- ]
- destructuring_bindings.sort() # only for code aesthetics
- return "{\n" + self._indent + \
- ("\n" + self._indent).join(destructuring_bindings) + \
- "\n" + self._indent + \
- ("\n" + self._indent).join(self._print(node.body).splitlines()) + \
- "\n}"
-
# ------------------------------------------ Helper function & classes -------------------------------------------------
diff --git a/pystencils_tests/test_destructuring_field_class.py b/pystencils_tests/test_destructuring_field_class.py
deleted file mode 100644
index 4b9faf63277e7c00f469b10ea59f7d629baae41e..0000000000000000000000000000000000000000
--- a/pystencils_tests/test_destructuring_field_class.py
+++ /dev/null
@@ -1,43 +0,0 @@
-import sympy
-
-import pystencils
-from pystencils.astnodes import DestructuringBindingsForFieldClass
-from pystencils.kernelparameters import FieldPointerSymbol, FieldShapeSymbol, FieldStrideSymbol
-
-
-def test_destructuring_field_class():
- z, x, y = pystencils.fields("z, y, x: [2d]")
-
- normal_assignments = pystencils.AssignmentCollection([pystencils.Assignment(
- z[0, 0], x[0, 0] * sympy.log(x[0, 0] * y[0, 0]))], [])
-
- ast = pystencils.create_kernel(normal_assignments, target='gpu')
- print(pystencils.show_code(ast))
-
- ast.body = DestructuringBindingsForFieldClass(ast.body)
- print(pystencils.show_code(ast))
- ast.compile()
-
-
-class DestructuringEmojiClass(DestructuringBindingsForFieldClass):
- CLASS_TO_MEMBER_DICT = {
- FieldPointerSymbol: "🥶",
- FieldShapeSymbol: "😳_%i",
- FieldStrideSymbol: "🥵_%i"
- }
- CLASS_NAME_TEMPLATE = "🤯<{dtype}, {ndim}>"
-
- def __init__(self, node):
- super().__init__(node)
- self.headers = []
-
-
-def test_destructuring_alternative_field_class():
- z, x, y = pystencils.fields("z, y, x: [2d]")
-
- normal_assignments = pystencils.AssignmentCollection([pystencils.Assignment(
- z[0, 0], x[0, 0] * sympy.log(x[0, 0] * y[0, 0]))], [])
-
- ast = pystencils.create_kernel(normal_assignments, target='gpu')
- ast.body = DestructuringEmojiClass(ast.body)
- print(pystencils.show_code(ast))