[foreign-jextract] RFR: 8261511: jextract fails to handle name clashes between unrelated constants [v2]

[Athijegannathan Sundararajan]

> constants class is nested properly. piggybacking to fix long whitespace string in pretty printer

Athijegannathan Sundararajan has updated the pull request incrementally with one additional commit since the last revision:

  code review suggestion to avoid additional nested class for structs

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

Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/468/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/468/files/7efcbd1b..4d20e930

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=468&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=468&range=00-01

  Stats: 4 lines in 1 file changed: 1 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/468.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/468/head:pull/468

PR: https://git.openjdk.java.net/panama-foreign/pull/468