Module node_metadata 

Node source metadata recorded without opening middleware.

Structs

CallbackEffectMetadata

Recorded optional callback effect.

CallbackId

Stable callback identifier required for component-mode callbacks.

CallbackSlot

Declaration-order callback slot within one extracted component.

EntityId

Stable source-level identifier required for component-mode declarations.

EntityMetadata

Recorded entity declaration.

EntitySlot

Declaration-order entity slot within one extracted component.

MetadataRecorder

In-memory metadata sink used by host discovery. It never opens transport.

NodeId

Stable node identifier required for component-mode node declarations.

NodeMetadata

Recorded node declaration.

NodeSlot

Declaration-order node slot within one extracted component.

SourceLocationMetadata

Source location attached to callbacks and parameters.

SourceMetadataExport

Source metadata document settings used by the std JSON emitter.

Enums

CallbackEffectKind

Optional callback effect relation.

EntityKind

Entity role recorded for source metadata.

NodeMetadataError

Metadata recorder/runtime error.

ParameterDefault

Parameter default value recorded for source metadata.

SourceNameKind

Unresolved ROS name category as written by component source.

Constants

DEFAULT_MAX_METADATA_CALLBACKS

Maximum callback/effect records kept by the built-in metadata recorder.

DEFAULT_MAX_METADATA_ENTITIES

Maximum entities recorded by the built-in metadata recorder.

DEFAULT_MAX_METADATA_NODES

Maximum nodes recorded by the built-in metadata recorder.

METADATA_STRING_CAPACITY

Maximum bytes in recorded source names and stable IDs.

Type Aliases

MetadataString

Fixed-capacity string used by component metadata records.