Optional ReadonlyframeWhat this call lets the function around it reach about its own formals without naming one of them, e.g.
match.call() (ArgProp.Nse) or nargs() (ArgProp.Presence); see reflectiveRoles.
Optional Readonlykeepkeep the environment on the call vertex, for a later pass to look names up in
Optional Readonlypropsthe bitfield of CallProp
Optional Readonlysigthe parameters and what each of their arguments is used for
Optional Readonlytagsthe array of SemanticCallTag
Semantics of a built-in that hold no matter which processor handles the call. The remaining facts already have a home: the exit behavior in
cfg, whether flowR can fold the call in theevalHandlerof the definition, and the fallback for everything unmodelled inhasUnknownSideEffects.