optimize string concat in dartdevc

String concat now uses + rather than tagged template strings.
Also refactors the JSTypeRep code into a shared location, and fixes a
bug in null inference for op assign expressions in Analyzer backend.

Change-Id: I74fb6950c1d739efb977a03bd639a07afe453eb6
Reviewed-on: https://dart-review.googlesource.com/57522
Commit-Queue: Jenny Messerly <jmesserly@google.com>
Reviewed-by: Vijay Menon <vsm@google.com>
13 files changed
tree: a4142d43f1d5556546e0cb92e302decaeaf634f5
  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. AUTHORS
  22. BUILD.gn
  23. CHANGELOG.md
  24. codereview.settings
  25. dartdoc_options.yaml
  26. DEPS
  27. LICENSE
  28. PATENTS
  29. PRESUBMIT.py
  30. README.dart-sdk
  31. README.md
  32. WATCHLISTS
README.md

Dart

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Using Dart

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There are more documents on our wiki.

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See LICENSE and PATENTS.