code_clean: add use_empty_void_arg cleanup operation
Removes the use of (void) in C++ for functions with no arguments
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@ -569,6 +569,32 @@ class edit_generators:
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return edits
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class use_empty_void_arg(EditGenerator):
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"""
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Use ``()`` instead of ``(void)`` for C++ code.
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Replace:
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function(void) {}
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With:
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function() {}
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"""
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@staticmethod
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def edit_list_from_file(source: str, data: str, _shared_edit_data: Any) -> List[Edit]:
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edits: List[Edit] = []
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# The user might include C & C++, if they forget, it is better not to operate on C.
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if source.lower().endswith((".h", ".c")):
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return edits
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# `(void)` -> `()`.
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for match in re.finditer(r"(\(void\))(\s*{)", data, flags=re.MULTILINE):
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edits.append(Edit(
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span=match.span(),
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content="()" + match.group(2),
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content_fail="(__ALWAYS_FAIL__) {",
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))
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return edits
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class unused_arg_as_comment(EditGenerator):
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"""
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Replace `UNUSED(argument)` in C++ code.
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