Package index • codetools

All functions
`checkUsage()` `checkUsageEnv()` `checkUsagePackage()`	Check R Code for Possible Problems
`collectLocals()` `collectUsage()` `constantFold()` `findFuncLocals()` `findLocals()` `findLocalsList()` `flattenAssignment()` `getAssignedVar()` `isConstantValue()` `makeCodeWalker()` `makeConstantFolder()` `makeLocalsCollector()` `makeUsageCollector()` `walkCode()`	Low Level Code Analysis Tools for R
`findGlobals()`	Find Global Functions and Variables Used by a Closure
`showTree()`	Print Lisp-Style Representation of R Expression

Reference