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Fix hwif type name generation to properly handle parameterized component names. #70

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This commit is contained in:
Alex Mykyta
2023-10-11 21:58:10 -07:00
parent c0e341579c
commit 0da6efe85c
4 changed files with 15 additions and 40 deletions
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49
src/peakrdl_regblock/hwif/generators.py
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@@ -230,41 +230,35 @@ class OutputStructGenerator_Hier(HWIFStructGenerator):
#-------------------------------------------------------------------------------
class InputStructGenerator_TypeScope(InputStructGenerator_Hier):
def get_typdef_name(self, node:'Node') -> str:
scope_path = node.inst.get_scope_path("__")
scope_path = node.get_global_type_name("__")
if scope_path is None:
# Unable to determine a reusable type name. Fall back to hierarchical path
# Add prefix to prevent collision when mixing namespace methods
scope_path = "xtern__" + super().get_typdef_name(node)
if isinstance(node, FieldNode):
extra_suffix = get_field_type_name_suffix(node)
if node.external:
# Node generates alternate external signals
extra_suffix = "__external"
else:
extra_suffix = ""
if node.external:
# Node generates alternate external signals
extra_suffix += "__external"
return f'{scope_path}__{node.type_name}{extra_suffix}__in_t'
return f'{scope_path}{extra_suffix}__in_t'
class OutputStructGenerator_TypeScope(OutputStructGenerator_Hier):
def get_typdef_name(self, node:'Node') -> str:
scope_path = node.inst.get_scope_path("__")
scope_path = node.get_global_type_name("__")
if scope_path is None:
# Unable to determine a reusable type name. Fall back to hierarchical path
# Add prefix to prevent collision when mixing namespace methods
scope_path = "xtern__" + super().get_typdef_name(node)
if isinstance(node, FieldNode):
extra_suffix = get_field_type_name_suffix(node)
if node.external:
# Node generates alternate external signals
extra_suffix = "__external"
else:
extra_suffix = ""
if node.external:
# Node generates alternate external signals
extra_suffix += "__external"
return f'{scope_path}__{node.type_name}{extra_suffix}__out_t'
return f'{scope_path}{extra_suffix}__out_t'
#-------------------------------------------------------------------------------
class EnumGenerator:
@@ -302,26 +296,3 @@ class EnumGenerator:
+ ",\n".join(lines)
+ f"\n}} {prefix}_e;"
)
def get_field_type_name_suffix(field: FieldNode) -> str:
"""
Fields may reuse the same type, but end up instantiating different widths
Uniquify the type name further if the field width was overridden when instantiating
"""
if field.inst.original_def is None:
return ""
if field.inst.original_def.type_name is None:
# is an anonymous definition. No extra suffix needed
return ""
if "fieldwidth" in field.list_properties():
# fieldwidth was explicitly set. This type name is already sufficiently distinct
return ""
if field.width == 1:
# field width is the default. Skip suffix
return ""
return f"_w{field.width}"