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Nicer bitfield names

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Kovid Goyal
2025-03-22 12:39:41 +05:30
parent 4c31cb179e
commit 097c16b895
1 changed files with 4 additions and 2 deletions
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6
gen/bitfields.py
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@@ -20,10 +20,12 @@ def typename_for_bitsize(bits: int) -> str:
return 'uint64'
def make_bitfield(dest: str, typename: str, *fields_: str) -> tuple[str, str]:
def make_bitfield(dest: str, typename: str, *fields_: str, add_package: bool = True) -> tuple[str, str]:
output_path = os.path.join(dest, f'{typename.lower()}_generated.go')
ans = [f'package {os.path.basename(dest)}', '']
a = ans.append
if not add_package:
del ans[0]
def fieldify(spec: str) -> BitField:
name, num = spec.partition(' ')[::2]
@@ -48,7 +50,7 @@ def make_bitfield(dest: str, typename: str, *fields_: str) -> tuple[str, str]:
a(f' return {tn}(s & {mask})')
a('}')
a('')
a(f'func (s *{typename}) Set{bf.name.capitalize()}(val {tn}) {{') # }}
a(f'func (s *{typename}) Set_{bf.name}(val {tn}) {{') # }}
if shift:
a(f' *s &^= {mask} << {shift}')
a(f' *s |= {typename}(val&{mask}) << {shift}')