Remove dangerous usage of non-public parts of the systemrdl-compiler API

src/peakrdl_regblock/read_buffering/implementation_generator.py

@@ -1,6 +1,5 @@
 from typing import TYPE_CHECKING
 
-from systemrdl.component import Reg
 from systemrdl.node import RegNode
 
 from ..forloop_generator import RDLForLoopGenerator
@@ -20,7 +19,6 @@ class RBufLogicGenerator(RDLForLoopGenerator):
 
     def enter_Reg(self, node: RegNode) -> None:
         super().enter_Reg(node)
-        assert isinstance(node.inst, Reg)
 
         if not node.get_property('buffer_reads') or node.external:
             return

src/peakrdl_regblock/udps/rw_buffering.py

@@ -25,8 +25,8 @@ class xBufferTrigger(UDPDefinition):
                 self.msg.error(
                     "%s '%s' references %s '%s' but its width is not 1"
                     % (
-                        type(node.inst).__name__.lower(), node.inst_name,
-                        type(value.inst).__name__.lower(), value.inst_name
+                        node.component_type_name, node.inst_name,
+                        value.component_type_name, value.inst_name
                     ),
                     self.get_src_ref(node)
                 )
@@ -44,7 +44,7 @@ class xBufferTrigger(UDPDefinition):
                 self.msg.error(
                     "%s '%s' references property '%s->%s' but its width is not 1"
                     % (
-                        type(node.inst).__name__.lower(), node.inst_name,
+                        node.component_type_name, node.inst_name,
                         value.node.inst_name, value.name,
                     ),
                     self.get_src_ref(node)
@@ -59,7 +59,7 @@ class xBufferTrigger(UDPDefinition):
             # All other reference types are invalid
             self.msg.error(
                 "Reference to a %s component is incompatible with the '%s' property."
-                % (type(node.inst).__name__.lower(), self.name),
+                % (node.component_type_name, self.name),
                 self.get_src_ref(node)
             )
 

src/peakrdl_regblock/write_buffering/implementation_generator.py

@@ -1,7 +1,6 @@
 from typing import TYPE_CHECKING
 from collections import namedtuple
 
-from systemrdl.component import Reg
 from systemrdl.node import RegNode
 
 from ..forloop_generator import RDLForLoopGenerator
@@ -21,7 +20,6 @@ class WBufLogicGenerator(RDLForLoopGenerator):
 
     def enter_Reg(self, node: 'RegNode') -> None:
         super().enter_Reg(node)
-        assert isinstance(node.inst, Reg)
 
         if not node.get_property('buffer_writes') or node.external:
             return