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Functions

The base environment; formerly R_NilValue

The namespace for base.

“” as a STRSXP

“” as a CHARSXP

The current interpreter environment.

An empty environment at the root of the environment tree

Parse a string into an R executable object and run it. Used by the R! macro.

Parse a string into an R executable object and run it using parameters param.0, param.1, …

Find a namespace by name.

Find a function or primitive that may be in a namespace.

The “global” environment

Get a global function from global_env() and ancestors.

Get a global variable from global_env() and ancestors. If the result is a promise, evaulate the promise.

Get a local variable from current_env() and ancestors.

NA_STRING as a CHARSXP

For registered namespaces.

Create a new environment

The nil object

Parse a string into an R executable object

Current srcref, for debuggers