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

Author: amykyta3

pyproject.toml

@@ -7,7 +7,7 @@ name = "peakrdl-cheader"
 dynamic = ["version"]
 requires-python = ">=3.7"
 dependencies = [
-    "systemrdl-compiler ~= 1.29",
+    "systemrdl-compiler ~= 1.30",
     "jinja2",
 ]
 

src/peakrdl_cheader/design_scanner.py

@@ -76,7 +76,7 @@ def enter_Reg(self, node: RegNode) -> Optional[WalkerAction]:
                 self.msg.error(
                     "C header export currently only supports registers that are co-located. "
                     f"See registers: '{prev_reg.inst_name}' and '{node.inst_name}.'",
-                    node.inst.inst_src_ref
+                    node.inst_src_ref
                 )
 
             # Save information about register overlap pair
@@ -87,7 +87,7 @@ def enter_Reg(self, node: RegNode) -> Optional[WalkerAction]:
             self.msg.error(
                 "C header export does not support sparse arrays of registers. "
                 f"See register: '{node.inst_name}.'",
-                node.inst.inst_src_ref
+                node.inst_src_ref
             )
 
         return WalkerAction.SkipDescendants

src/peakrdl_cheader/header_generator.py

@@ -51,7 +51,7 @@ def run(self, path: str, top_nodes: List[Union[AddrmapNode, MemNode, RegfileNode
                         if len(node.array_dimensions) > 1:
                             node.env.msg.fatal(
                                 f"C header generator does not support instance defines for multi-dimensional arrays: {node.inst_name}{node.array_dimensions}",
-                                node.inst.inst_src_ref
+                                node.inst_src_ref
                             )
                         f.write(f"#define {node.inst_name} ((volatile {type_name} *){addr:#x}UL)\n")
                     else:
@@ -93,7 +93,7 @@ def write_bitfields(self, grp_name: str, regwidth: int, fields: List[FieldNode])
             # TODO: add support for this
             self.root_node.env.msg.fatal(
                 "C header bit-fields for registers wider than 64-bits is not supported yet",
-                fields[0].parent.inst.inst_src_ref
+                fields[0].parent.inst_src_ref
             )
 
         self.write("struct __attribute__ ((__packed__)) {\n")