124 lines
4.8 KiB
Python
124 lines
4.8 KiB
Python
from __future__ import annotations
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from copy import deepcopy
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from pathlib import Path
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import re
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from typing import Any
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def _last_executable_prefix(error: Exception, output: Path) -> dict[str, Any] | None:
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"""Export the checkpoint already produced by the failed live replay."""
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execution = getattr(error, "incremental_execution", None)
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bound = getattr(error, "bound_cdsl", None)
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if execution is None or not isinstance(bound, dict):
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return None
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session = execution.session
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if not session.results or (session.body is None and not session.surface_members):
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return None
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from engine.cdsl_engine.runtime import finalize_cdsl_execution
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try:
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result = finalize_cdsl_execution(execution, output)
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except Exception:
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return None
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last_feature_id = next(reversed(session.results))
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features = list(bound.get("features") or [])
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feature_count = next(
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(index + 1 for index, feature in enumerate(features) if feature.get("id") == last_feature_id),
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0,
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)
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if feature_count == 0:
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return None
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prefix = deepcopy(bound)
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prefix["features"] = features[:feature_count]
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return {
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"failed_feature_id": getattr(error, "failed_feature_id", None) or _failed_feature_id(error),
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"feature_count": feature_count,
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"last_feature_id": last_feature_id,
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"bound_cdsl": prefix,
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"result": result,
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}
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def _failed_feature_id(error: Exception) -> str | None:
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diagnostic = getattr(error, "diagnostic", None)
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feature_id = getattr(diagnostic, "feature_id", None)
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if isinstance(feature_id, str) and feature_id:
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return feature_id
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match = re.match(r"([^:\s]+): ", str(error))
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return match.group(1) if match else None
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def _last_preflight_executable_prefix(
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cdsl: dict[str, Any], analysis: Any, output: Path,
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) -> dict[str, Any] | None:
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"""Persist the contiguous executable prefix rejected by later preflight."""
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feature_results = list(getattr(analysis, "feature_results", ()) or ())
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first_blocked = next(
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(index for index, result in enumerate(feature_results) if not result.executable),
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None,
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)
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if first_blocked in (None, 0):
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return None
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features = list(cdsl.get("features") or [])
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if first_blocked > len(features):
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return None
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prefix = deepcopy(cdsl)
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prefix["features"] = features[:first_blocked]
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try:
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prefix_result = rebuild_candidate(prefix, output)
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except Exception:
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return None
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if prefix_result.get("status") != "rebuilt":
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nested_prefix = prefix_result.get("last_executable_prefix")
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return nested_prefix if isinstance(nested_prefix, dict) else None
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result = prefix_result.get("result")
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if not isinstance(result, dict):
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return None
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return {
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"failed_feature_id": feature_results[first_blocked].feature_id,
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"feature_count": first_blocked,
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"last_feature_id": features[first_blocked - 1].get("id"),
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"bound_cdsl": prefix_result.get("bound_cdsl", prefix),
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"result": result,
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}
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def rebuild_candidate(cdsl: dict[str, Any], output: Path) -> dict[str, Any]:
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from engine.cdsl_engine.runtime import analyze_cdsl, finalize_cdsl_execution
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from .selector_binding import bind_and_execute_candidate_selectors
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analysis = analyze_cdsl(cdsl)
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analysis_dict = analysis.as_dict() if hasattr(analysis, "as_dict") else {"runtime_eligible": analysis.runtime_eligible}
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if not analysis.runtime_eligible:
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result = {"status": "runtime_ineligible", "analysis": analysis_dict}
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prefix = _last_preflight_executable_prefix(cdsl, analysis, output)
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if prefix is not None:
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result["last_executable_prefix"] = prefix
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return result
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try:
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replay = bind_and_execute_candidate_selectors(cdsl)
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result = finalize_cdsl_execution(replay.execution, output)
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return {
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"status": "rebuilt",
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"analysis": analysis_dict,
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"selector_binding": replay.evidence,
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"bound_cdsl": replay.bound_cdsl,
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"result": result,
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}
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except Exception as exc:
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detail = {"type": type(exc).__name__, "message": str(exc)}
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if hasattr(exc, "selector_resolutions"):
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detail["selector_resolutions"] = exc.selector_resolutions
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prefix = _last_executable_prefix(exc, output)
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result = {"status": "rebuild_failed", "analysis": analysis_dict, "error": detail}
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bound = getattr(exc, "bound_cdsl", None)
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if isinstance(bound, dict):
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result["bound_cdsl"] = bound
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binding = getattr(exc, "selector_binding", None)
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if isinstance(binding, list):
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result["selector_binding"] = binding
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if prefix is not None: result["last_executable_prefix"] = prefix
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return result
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