We now track the following additional information:
- All local variable reads and read captures (previously we only
tracked writes)
- For any conditional expression (`?:`) or if-test, the variables
written in the "then" branch
- For any logical and expression (`&&`), the variables written in the
right hand side of the expression
Tracking this information will allow us to implement legacy type
promotion as part of _fe_analyzer_shared, using the same API as flow
anaylsis, which will in turn allow a lot of front end and analyzer
code to be removed and simplified.
Change-Id: I01aaf64cefb989a4450c8e6d3a8373c1ca2b6dec
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179980
Commit-Queue: Paul Berry <paulberry@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Adds support for pretty printing verbose annotations.
Adds support for force updating annotation texts useful for applying
the pretty printing to valid annotations.
Change-Id: I8fe9b6d2f8198bd5e160854053c8d964ef832a8d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/129710
Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
Commit-Queue: Johnni Winther <johnniwinther@google.com>
DartType.== implementations ignore nullability if the flag is not true.
TypeSystem APIs eliminate nullability from types before doing anything.
Internally analyzer continues using actual nullability for types.
Package nnbd_migration opted into NullSafetyUnderstandingFlag.
Bug: https://github.com/dart-lang/sdk/issues/40500
Change-Id: Ifeea28c01adf1dc59ed2da675b4a62c6334d529a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134865
Reviewed-by: Paul Berry <paulberry@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
This moves the five test suites for flow analysis along with the
constants test suite.
Note that a few files have formatting errors. I'll fix those in a
follow-up CL.
Change-Id: Ie9bba74c7d91e49ac6c9d3c64a96be007b6a94c6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123680
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Previously such shared code was in the front_end package, but that
created problems because there is a lot of code in front_end that
isn't intended to be shared with the analyzer (including, notably, the
dependency on kernel).
This CL just moves over the flow_analysis logic to the new shared
package. Follow-up CLs will move over other shared logic and tests.
The end goal is that the analyzer package will no longer have a
dependency on front_end.
Change-Id: I5642d6565204422d79808ca47648462db85e442a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123624
Reviewed-by: Jens Johansen <jensj@google.com>
This should make it easier to verify that the CFE implementation is
correct.
Note that this effort encountered a few bugs in the analyzer
implementation, which are marked with TODOs. I will fix them in
follow-up CLs.
Change-Id: Ic164a1cf214b5730f848b17db2838c29d25b00d0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/122850
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
Konstantin Shcheglov