registry

Classes:

• RuntimeFeatureRegistry –
• RuntimeFeatureState –

Functions:

• get_default_runtime_feature_registry –

RuntimeFeatureRegistry

RuntimeFeatureRegistry()

Methods:

• get –
• names –
• register –

Source code in src/irx/runtime/registry.py

def __init__(self) -> None:
    """
    title: Initialize RuntimeFeatureRegistry.
    """
    self._features: dict[str, RuntimeFeature] = {}

get

get(name: str) -> RuntimeFeature

Source code in src/irx/runtime/registry.py

def get(self, name: str) -> RuntimeFeature:
    """
    title: Return a runtime feature by name.
    parameters:
      name:
        type: str
    returns:
      type: RuntimeFeature
    """
    try:
        return self._features[name]
    except KeyError as exc:
        raise KeyError(f"Unknown runtime feature '{name}'") from exc

names

names() -> tuple[str, ...]

Source code in src/irx/runtime/registry.py

def names(self) -> tuple[str, ...]:
    """
    title: Return the registered runtime feature names.
    returns:
      type: tuple[str, Ellipsis]
    """
    return tuple(sorted(self._features))

register

register(feature: RuntimeFeature) -> None

Source code in src/irx/runtime/registry.py

def register(self, feature: RuntimeFeature) -> None:
    """
    title: Register a runtime feature by name.
    parameters:
      feature:
        type: RuntimeFeature
    """
    if feature.name in self._features:
        raise ValueError(
            f"Runtime feature '{feature.name}' already exists"
        )
    self._features[feature.name] = feature

RuntimeFeatureState

RuntimeFeatureState(
    owner: "VisitorProtocol",
    registry: RuntimeFeatureRegistry,
    active_features: Iterable[str] | None = None,
)

Methods:

• activate –
• active_feature_names –
• feature –
• is_active –
• linker_flags –
• native_artifacts –
• require_symbol –

Source code in src/irx/runtime/registry.py

def __init__(
    self,
    owner: "VisitorProtocol",
    registry: RuntimeFeatureRegistry,
    active_features: Iterable[str] | None = None,
) -> None:
    """
    title: Initialize RuntimeFeatureState.
    parameters:
      owner:
        type: VisitorProtocol
      registry:
        type: RuntimeFeatureRegistry
      active_features:
        type: Iterable[str] | None
    """
    self._owner = owner
    self._registry = registry
    self._active_features: set[str] = set()
    self._declared_symbols: dict[tuple[str, str], ir.Function] = {}

    if active_features is None:
        return

    for feature_name in active_features:
        self.activate(feature_name)

activate

activate(feature_name: str) -> None

Source code in src/irx/runtime/registry.py

def activate(self, feature_name: str) -> None:
    """
    title: Activate a runtime feature for the current module.
    parameters:
      feature_name:
        type: str
    """
    self._registry.get(feature_name)
    self._active_features.add(feature_name)

active_feature_names

active_feature_names() -> tuple[str, ...]

Source code in src/irx/runtime/registry.py

def active_feature_names(self) -> tuple[str, ...]:
    """
    title: Return the active feature names.
    returns:
      type: tuple[str, Ellipsis]
    """
    return tuple(sorted(self._active_features))

feature

feature(feature_name: str) -> RuntimeFeature

Source code in src/irx/runtime/registry.py

def feature(self, feature_name: str) -> RuntimeFeature:
    """
    title: Return a registered feature by name.
    parameters:
      feature_name:
        type: str
    returns:
      type: RuntimeFeature
    """
    return self._registry.get(feature_name)

is_active

is_active(feature_name: str) -> bool

Source code in src/irx/runtime/registry.py

def is_active(self, feature_name: str) -> bool:
    """
    title: Return whether a feature is active for the current module.
    parameters:
      feature_name:
        type: str
    returns:
      type: bool
    """
    return feature_name in self._active_features

linker_flags

linker_flags() -> tuple[str, ...]

Source code in src/irx/runtime/registry.py

def linker_flags(self) -> tuple[str, ...]:
    """
    title: Return the linker flags required by active features.
    returns:
      type: tuple[str, Ellipsis]
    """
    flags: list[str] = []
    seen: set[str] = set()

    for feature_name in self.active_feature_names():
        feature = self.feature(feature_name)
        for flag in feature.linker_flags:
            if flag in seen:
                continue
            seen.add(flag)
            flags.append(flag)

    return tuple(flags)

native_artifacts

native_artifacts() -> tuple[NativeArtifact, ...]

Source code in src/irx/runtime/registry.py

def native_artifacts(self) -> tuple[NativeArtifact, ...]:
    """
    title: Return the native artifacts required by active features.
    returns:
      type: tuple[NativeArtifact, Ellipsis]
    """
    artifacts: list[NativeArtifact] = []
    seen: set[tuple[str, str]] = set()

    for feature_name in self.active_feature_names():
        feature = self.feature(feature_name)
        for artifact in feature.artifacts:
            dedupe_key = (artifact.kind, str(artifact.path))
            if dedupe_key in seen:
                continue
            seen.add(dedupe_key)
            artifacts.append(artifact)

    return tuple(artifacts)

require_symbol

require_symbol(
    feature_name: str, symbol_name: str
) -> Function

Source code in src/irx/runtime/registry.py

def require_symbol(
    self,
    feature_name: str,
    symbol_name: str,
) -> ir.Function:
    """
    title: Activate a feature and declare one of its external symbols.
    parameters:
      feature_name:
        type: str
      symbol_name:
        type: str
    returns:
      type: ir.Function
    """
    self.activate(feature_name)
    cache_key = (feature_name, symbol_name)
    cached = self._declared_symbols.get(cache_key)
    if cached is not None:
        return cached

    feature = self.feature(feature_name)
    try:
        symbol_spec = feature.symbols[symbol_name]
    except KeyError as exc:
        raise KeyError(
            f"Runtime feature '{feature_name}' does not declare "
            f"symbol '{symbol_name}'"
        ) from exc

    declared = symbol_spec.declare(self._owner)
    self._declared_symbols[cache_key] = declared
    return declared

get_default_runtime_feature_registry cached

get_default_runtime_feature_registry() -> (
    RuntimeFeatureRegistry
)

Source code in src/irx/runtime/registry.py

@lru_cache(maxsize=1)
def get_default_runtime_feature_registry() -> RuntimeFeatureRegistry:
    """
    title: Build the default runtime feature registry.
    returns:
      type: RuntimeFeatureRegistry
    """
    registry = RuntimeFeatureRegistry()
    registry.register(build_libc_runtime_feature())
    registry.register(build_arrow_runtime_feature())
    return registry