[code-reflection] RFR: Replace the use of Interpreter to create Quoted instance with specialized code [v6]

[Mourad Abbay]

> Creating Quoted instance was done by invoking the Interpreter. The Interpreter is too general and if someone could somehow inject any code model we will interpret that as well. This PR replace the use of the interpreter with specialized code.

Mourad Abbay has updated the pull request incrementally with three additional commits since the last revision:

 - Add comments
 - Add a check
 - Change the return type of quoted func op

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Changes:
  - all: https://git.openjdk.org/babylon/pull/424/files
  - new: https://git.openjdk.org/babylon/pull/424/files/1bca3137..8d3a227b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=424&range=05
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=424&range=04-05

  Stats: 14 lines in 2 files changed: 9 ins; 2 del; 3 mod
  Patch: https://git.openjdk.org/babylon/pull/424.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/424/head:pull/424

PR: https://git.openjdk.org/babylon/pull/424