Optional Readonlyambienthow the call reads or writes global state like the graphics parameters, the options, or files, see AmbientStateAccess
Optional Readonlydispatchesthe generics the call may dispatch to on (parts of) its arguments, like as.character for paste or format for the columns print shows of a data frame; any method of them may run
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 reflectiveRolesOf.
Optional ReadonlyhasOptional Readonlykeepkeep the environment on the call vertex, for a later pass to look names up in
Optional Readonlypropsthe bitfield of CallProp
Optional Readonlyscopethe call changes that state for a scope only, see AmbientScope
Optional Readonlysigthe parameters and what each of their arguments is used for
Optional ReadonlysignalsThe condition classes a call signals when every argument it is handed is a constant, like simpleError, error, and condition for stop("x").
Optional Readonlytagsthe array of SemanticCallTag
Semantics of a built-in that hold no matter which processor handles the call.