Specify implicit creation

This CL is using an approach that does not rely on program
transformations (based on the idea in CL 50221 from Lasse).

I have taken the approach to make `constant list literal`, `constant
object expression` the higher level concepts, and define the notion of
a `constant context` in terms of the syntax (so it requires an actual
`\CONST{}` or a switch case in the enclosing syntax).

Doing this work, I encountered the section about postfix expressions,
and (like several times before), I noted that there was no
specification of the static analysis at all. So I cleaned up that
section, at the time where I needed to edit it already, because of
the new `constructorInvocation` syntax.

If that is helpful, I could split this CL into a pure "implicit
creation" CL and another "fix up postfix expressions" CL.

Change-Id: I669ce942f698ca2fbb47ea60c58f4f05304ae66d
Reviewed-on: https://dart-review.googlesource.com/c/93432
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2 files changed
tree: 8914b9010a33bb144564358c84e76b2738f7b1eb
  1. .github/
  2. build/
  3. client/
  4. docs/
  5. pkg/
  6. runtime/
  7. samples/
  8. samples-dev/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitconfig
  17. .gitignore
  18. .gn
  19. .mailmap
  20. .packages
  21. .vpython
  22. AUTHORS
  23. BUILD.gn
  24. CHANGELOG.md
  25. codereview.settings
  26. CONTRIBUTING.md
  27. DEPS
  28. LICENSE
  29. PATENTS
  30. PRESUBMIT.py
  31. README.dart-sdk
  32. README.md
  33. WATCHLISTS
README.md

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