getArgFromCall: Accessor Functions
In duncantl/CodeAnalysis: Tools for Static Analysis of R code

getArgFromCall

R Documentation

Accessor Functions

Description

These are higher-level accessor functions for working with language objects and meta-programming so that we can talk about high-level operations and concepts and not the specific representation of R language objects.

Usage

getArgFromCall(call, arg, asCharacter = TRUE)
isFunAssign(x, toSymbol = TRUE) 
pkgSymbolsUsed(pkg, fromPkg, ns = getNamespace(pkg), exportedOnly = TRUE)

Arguments

`call,x`	the R call language object
`arg`	the name of the argument to extract from the call
`asCharacter`	a logical value controlling whether to deparse the result or leave it is a language object
`pkg`	the name of the package which is calling functions from another package
`fromPkg`	the name of the other package whose functions are being called
`ns`	the namespace's environment
`exportedOnly`	a logical value. If `TRUE`, only the exported symbols are considered, otherwise all the symbols in the namespace are processed.
`toSymbol`	a logical value that if `TRUE` causes `isFunAssign` not look at the value of the symbol to which the value is being assigned.