Files
OnlineJudge/ast_checker/checker.py
2026-05-25 22:24:53 -06:00

36 lines
961 B
Python

from tree_sitter import Parser
from .engines import get_engine
from .mappings import get_language, get_mapping
def check_ast(code: str, language: str, rules: list[dict]) -> tuple[bool, list[dict]]:
if not rules:
return True, []
ts_language = get_language(language)
if ts_language is None:
return True, []
mapping = get_mapping(language)
try:
parser = Parser(ts_language)
tree = parser.parse(code.encode("utf-8"))
except Exception:
return True, []
results = []
all_passed = True
for rule in rules:
engine = get_engine(rule.get("engine", ""))
if engine is None:
continue
errors = engine.check(tree, rule, language, mapping)
passed = len(errors) == 0
if not passed:
all_passed = False
results.append({"description": engine.describe(rule, language, mapping), "passed": passed})
return all_passed, results