to-do notes and comment cleanup

src/pystencils/nbackend/kernelcreation/iteration_space.py

@@ -185,6 +185,8 @@ def create_full_iteration_space(
     # - We have no domain fields, but at least one custom field -> determine common field from custom fields
     # - We have neither domain nor custom fields -> Error
 
+    #   TODO: Re-implement as `get_archetype_field`, check not only shape but also layout equality
+    #   The archetype field must encompass all information about the iteration space: shape, extents, and loop order.
     from ...transformations import get_common_field
 
     if len(domain_field_accesses) > 0:

src/pystencils/nbackend/kernelcreation/kernelcreation.py

 from ...simp import AssignmentCollection
 
-from ..ast import PsBlock, PsKernelFunction
+from ..ast import PsKernelFunction
 from ...enums import Target
 
 from .context import KernelCreationContext
@@ -30,12 +30,11 @@ def create_kernel(assignments: AssignmentCollection, options: KernelCreationOpti
     ctx.set_iteration_space(ispace)
 
     freeze = FreezeExpressions(ctx)
-    kernel_body: PsBlock = freeze(assignments)
+    kernel_body = freeze(assignments)
 
     typify = Typifier(ctx)
     kernel_body = typify(kernel_body)
 
-    #   Up to this point, all was target-agnostic, but now the target becomes relevant.
     match options.target:
         case Target.CPU:
             from .platform import BasicCpu
@@ -47,7 +46,6 @@ def create_kernel(assignments: AssignmentCollection, options: KernelCreationOpti
             #   TODO: SYCL platform (?)
             raise NotImplementedError("Target platform not implemented")
 
-    #   6. Add loops or device indexing
     kernel_ast = platform.apply_iteration_space(kernel_body, ispace)
 
     #   7. Apply optimizations
@@ -56,7 +54,6 @@ def create_kernel(assignments: AssignmentCollection, options: KernelCreationOpti
     #     - Loop Splitting, Tiling, Blocking
     kernel_ast = platform.optimize(kernel_ast)
 
-    #   8. Create and return kernel function.
     function = PsKernelFunction(kernel_ast, options.target, name=options.function_name)
     function.add_constraints(*ctx.constraints)