Files
cdsl-cad/cadfs_to_cdsl/rebuild.py
T

70 lines
2.9 KiB
Python

from __future__ import annotations
from copy import deepcopy
from pathlib import Path
import re
from typing import Any
def _last_executable_prefix(
cdsl: dict[str, Any],
failed_feature_id: str | None,
output: Path,
) -> dict[str, Any] | None:
"""Bind and export the longest verified prefix before a failed feature."""
from .selector_binding import bind_candidate_selectors
from engine.cdsl_engine.runtime import rebuild_cdsl
features = list(cdsl.get("features") or [])
failed_index = next(
(index for index, feature in enumerate(features) if feature.get("id") == failed_feature_id),
len(features),
)
for feature_count in range(failed_index, 0, -1):
prefix = deepcopy(cdsl)
prefix["features"] = features[:feature_count]
try:
bound_prefix, _binding = bind_candidate_selectors(prefix)
result = rebuild_cdsl(bound_prefix, output, strict=True)
except Exception:
continue
return {
"failed_feature_id": failed_feature_id,
"feature_count": feature_count,
"last_feature_id": str(features[feature_count - 1].get("id") or ""),
"bound_cdsl": bound_prefix,
"result": result,
}
return None
def _failed_feature_id(error: Exception) -> str | None:
diagnostic = getattr(error, "diagnostic", None)
feature_id = getattr(diagnostic, "feature_id", None)
if isinstance(feature_id, str) and feature_id:
return feature_id
match = re.match(r"([^:\s]+): ", str(error))
return match.group(1) if match else None
def rebuild_candidate(cdsl: dict[str, Any], output: Path) -> dict[str, Any]:
from engine.cdsl_engine.runtime import analyze_cdsl, rebuild_cdsl
from .selector_binding import bind_candidate_selectors
analysis = analyze_cdsl(cdsl)
analysis_dict = analysis.as_dict() if hasattr(analysis, "as_dict") else {"runtime_eligible": analysis.runtime_eligible}
if not analysis.runtime_eligible:
return {"status": "runtime_ineligible", "analysis": analysis_dict}
bound: dict[str, Any] | None = None
try:
bound, binding = bind_candidate_selectors(cdsl)
result = rebuild_cdsl(bound, output, strict=True)
return {"status": "rebuilt", "analysis": analysis_dict, "selector_binding": binding, "bound_cdsl": bound, "result": result}
except Exception as exc:
detail = {"type": type(exc).__name__, "message": str(exc)}
if hasattr(exc, "selector_resolutions"): detail["selector_resolutions"] = exc.selector_resolutions
prefix = _last_executable_prefix(cdsl, _failed_feature_id(exc), output)
result = {"status": "rebuild_failed", "analysis": analysis_dict, "error": detail}
if bound is not None: result["bound_cdsl"] = bound
if prefix is not None: result["last_executable_prefix"] = prefix
return result