from dataclasses import dataclass, field
from typing import Dict, Any, List, Optional


@dataclass
class ExecutionContext:
    globals: Dict[str, Any] = field(default_factory=dict)
    locals: Dict[str, Any] = field(default_factory=dict)
    manifest: Dict[str, Any] = field(default_factory=dict)
    plan: List[Dict[str, Any]] = field(default_factory=list)
    tracer: Optional[Any] = None
    profiler: Optional[Any] = None


def new_context(
    manifest: Dict[str, Any],
    plan: List[Dict[str, Any]],
    tracer: Optional[Any] = None,
    profiler: Optional[Any] = None
) -> ExecutionContext:
    return ExecutionContext(
        globals={
            "__name__": "__main__",
            "__file__": manifest.get("source_file", "<gx>"),
            "__manifest__": manifest
        },
        locals={},
        manifest=manifest,
        plan=plan,
        tracer=tracer,
        profiler=profiler
    )