[code-reflection] RFR: Unify code that generates code model of switch statement and expression [v2]

[Mourad Abbay]

> Unify code that generates code model of switch statement and expression

Mourad Abbay has updated the pull request incrementally with one additional commit since the last revision:

  Refactor

-------------

Changes:
  - all: https://git.openjdk.org/babylon/pull/220/files
  - new: https://git.openjdk.org/babylon/pull/220/files/0a37833f..2be94f11

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=220&range=01
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=220&range=00-01

  Stats: 76 lines in 1 file changed: 23 ins; 37 del; 16 mod
  Patch: https://git.openjdk.org/babylon/pull/220.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/220/head:pull/220

PR: https://git.openjdk.org/babylon/pull/220