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from typing import NamedTuple, Callable, List, Tuple, Optional
import re
class LintIssue(NamedTuple):
code: str
msg: str
span: Tuple[int,int]
autofix: Optional[Callable[[str], str]] = None
severity: str = "warning" # info/warning/error
_LINT_RULES: List[Callable[[str], List[LintIssue]]] = []
def register_rule(fn):
_LINT_RULES.append(fn)
return fn
def run_lints(text: str) -> List[LintIssue]:
issues: List[LintIssue] = []
for rule in _LINT_RULES:
try:
issues.extend(rule(text))
except Exception:
# безопасно пропускаем сбойное правило
continue
return issues
@register_rule
def r_break_spacing(s: str):
issues = []
for m in re.finditer(r'(?<!\s)(BREAK)(?!\s)', s):
def fix(src, i=m.start(), j=m.end()):
return src[:i] + " BREAK " + src[j:]
issues.append(LintIssue("BREAK_SPACE","Добавьте пробелы вокруг BREAK",(m.start(),m.end()),
autofix=fix, severity="info"))
return issues
@register_rule
def r_top_level_terminator(s: str):
# есть признак top-level (::), но нет "!!"
if "::" in s and "!!" not in s:
def fix(src): return src.rstrip() + " !!"
return [LintIssue("TOPLEVEL_TERM","Top-level без '!!'", (len(s),len(s)), fix, "warning")]
return []
@register_rule
def r_numbered_marker(s: str):
# предупреждение, если 3! {...} при < 2 опций
pat = re.compile(r'(\d+)([!_])\s*\{([^}]*)\}')
issues = []
for m in pat.finditer(s):
options = [t.strip() for t in m.group(3).split("|") if t.strip()]
if len(options) < 2:
issues.append(LintIssue("NUM_MARKER_TOO_FEW","Маркер distinct при <2 опций",(m.start(),m.end()), None,"warning"))
return issues
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