diff options
Diffstat (limited to 'Tools/clinic/cpp.py')
| -rw-r--r-- | Tools/clinic/cpp.py | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/Tools/clinic/cpp.py b/Tools/clinic/cpp.py index c1a2eee..fbac813 100644 --- a/Tools/clinic/cpp.py +++ b/Tools/clinic/cpp.py @@ -1,3 +1,4 @@ +import dataclasses as dc import re import sys from collections.abc import Callable @@ -15,6 +16,11 @@ def negate(condition: str) -> str: return condition[1:] return "!" + condition + +is_a_simple_defined = re.compile(r'^defined\s*\(\s*[A-Za-z0-9_]+\s*\)$').match + + +@dc.dataclass(repr=False) class Monitor: """ A simple C preprocessor that scans C source and computes, line by line, @@ -27,25 +33,20 @@ class Monitor: Anyway this implementation seems to work well enough for the CPython sources. """ + filename: str | None = None + _: dc.KW_ONLY + verbose: bool = False - is_a_simple_defined: Callable[[str], re.Match[str] | None] - is_a_simple_defined = re.compile(r'^defined\s*\(\s*[A-Za-z0-9_]+\s*\)$').match - - def __init__(self, filename: str | None = None, *, verbose: bool = False) -> None: + def __post_init__(self) -> None: self.stack: TokenStack = [] self.in_comment = False self.continuation: str | None = None self.line_number = 0 - self.filename = filename - self.verbose = verbose def __repr__(self) -> str: - return ''.join(( - '<Monitor ', - str(id(self)), - " line=", str(self.line_number), - " condition=", repr(self.condition()), - ">")) + return ( + f"<Monitor {id(self)} line={self.line_number} condition={self.condition()!r}>" + ) def status(self) -> str: return str(self.line_number).rjust(4) + ": " + self.condition() @@ -152,7 +153,7 @@ class Monitor: if not condition: self.fail("Invalid format for #" + token + " line: no argument!") if token in {'if', 'elif'}: - if not self.is_a_simple_defined(condition): + if not is_a_simple_defined(condition): condition = "(" + condition + ")" if token == 'elif': previous_token, previous_condition = pop_stack() |