[code-reflection] RFR: Model String Template [v4]

[Mourad Abbay]

> Model String Template

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

 - Update test to include richer expressions
 - Apply suggestions

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Changes:
  - all: https://git.openjdk.org/babylon/pull/30/files
  - new: https://git.openjdk.org/babylon/pull/30/files/642f54ce..64cf45ac

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=30&range=03
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=30&range=02-03

  Stats: 80 lines in 2 files changed: 35 ins; 19 del; 26 mod
  Patch: https://git.openjdk.org/babylon/pull/30.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/30/head:pull/30

PR: https://git.openjdk.org/babylon/pull/30