Bug 570738: [R-Source] Improve RAst
  - Remove RAstNode.getChildren (no longer required, inefficient)
  - Remove SpecList (no longer required)
  - Change Arg lists to ImList for easier access
  - Add SubIndexed.Args.separatorOffsets
  - Correct return type of SubIndexed.Args.getChild
  - Remove abandoned AST node type C_IN

Change-Id: Id4d4a5101bc784d2f1da19552351de28c8f197e4
36 files changed
tree: 49548ef648d96cf84df0fc153e72952451b00de3
  1. .settings/
  2. r/
  3. redocs/
  4. rhelp/
  5. rtm/
  6. .project
  7. LICENSE
  8. NOTICE.md
  9. pom.xml