| Commit message (Collapse) | Author | Age | Files | Lines |
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Introduce `-Ywarn-unused:x,y,z` and exploit `-Ywarn-unused:patvars`.
Although the tree attachment for shielding patvars from warnings
is not structural, sneaking the settings flag into the reflection
internal TreeGen is awkward.
Add test to ensure isolation of patvars warning from others.
`-Ywarn-unused-import` is an alias for `-Ywarn-unused:imports`.
`-Xlint:unused` is an alias for `-Ywarn-unused`, but not enabled
yet. The help text advises to use `-Ywarn-unused`. The future can
decide if `-Xlint:unused-imports` is warranted.
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Polish notation, as in shoe-shine, as recommended by
the warning.
Minor clean-ups as advocated by `Ywarn-unused` and `Xlint`.
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- Language imports are preceding other imports
- Deleted empty file: InlineErasure
- Removed some unused private[parallel] methods in
scala/collection/parallel/package.scala
This removes hundreds of warnings when compiling with
"-Xlint -Ywarn-dead-code -Ywarn-unused -Ywarn-unused-import".
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Instead of "hi".format(), emit new _root_.s.c.i.StringOps("hi").format(),
to clarify intent and avoid picking up some other implicit enhancement.
A further optimization would be to use String.format directly when
that is possible. The ticket says it is not possible for
```
f"${BigDecimal(3.4)}%e"
```
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When invoking `format` is obviated by a lack of
formatting fields, then just degenerate to an
unenhanced constant string.
This means it doesn't cost anything to use
f"$$ordinary" in place of "$ordinary", which
may cause warnings under -Xlint.
Note that certain format literals, in particular
for line separator %n, are not actually literals and
can't be replaced at compile time.
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Inline the forwarders from CompilationUnit, which should not affect behavior.
Since all forwarders lead to global.reporter, don't first navigate
to a compilation unit, only to then forward back to global.reporter.
The cleanup in the previous commits revealed a ton of confusion
regarding how to report an error.
This was a mechanical search/replace, which has low potential for messing
things up, since the list of available methods are disjoint between
`reporter` and `currentRun.reporting`. The changes involving `typer.context`
were done previously.
Essentially, there are three ways to report:
- via typer.context, so that reporting can be silenced (buffered)
- via global.currentRun.reporting, which summarizes (e.g., deprecation)
- via global.reporter, which is (mostly) stateless and straightforward.
Ideally, these should all just go through `global.currentRun.reporting`,
with the typing context changing that reporter to buffer where necessary.
After the refactor, these are the ways in which we report (outside of typer):
- reporter.comment
- reporter.echo
- reporter.error
- reporter.warning
- currentRun.reporting.deprecationWarning
- currentRun.reporting.incompleteHandled
- currentRun.reporting.incompleteInputError
- currentRun.reporting.inlinerWarning
- currentRun.reporting.uncheckedWarning
Before:
- c.cunit.error
- c.enclosingUnit.deprecationWarning
- context.unit.error
- context.unit.warning
- csymCompUnit.warning
- cunit.error
- cunit.warning
- currentClass.cunit.warning
- currentIClazz.cunit.inlinerWarning
- currentRun.currentUnit.error
- currentRun.reporting
- currentUnit.deprecationWarning
- currentUnit.error
- currentUnit.warning
- getContext.unit.warning
- getCurrentCUnit.error
- global.currentUnit.uncheckedWarning
- global.currentUnit.warning
- global.reporter
- icls.cunit.warning
- item.cunit.warning
- reporter.comment
- reporter.echo
- reporter.error
- reporter.warning
- reporting.deprecationWarning
- reporting.incompleteHandled
- reporting.incompleteInputError
- reporting.inlinerWarning
- reporting.uncheckedWarning
- typer.context.unit.warning
- unit.deprecationWarning
- unit.echo
- unit.error
- unit.incompleteHandled
- unit.incompleteInputError
- unit.uncheckedWarning
- unit.warning
- v1.cunit.warning
All these methods ended up calling a method on `global.reporter`
or on `global.currentRun.reporting` (their interfaces are disjoint).
Also clean up `TypeDiagnostics`: inline nearly-single-use private methods.
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Improve the advice for `f"\042"` to read:
```
use ${'"'} or a triple-quoted literal """with embedded " or \u0022""" instead.
```
as per the discussion on SI-6476.
Knuth says that Charles XII came close to introducing octal arithmetic to Sweden,
and Wikipedia doesn't deny it.
I imagine an alternative history in which octal literals are deprecated in Scala
but required by legislation in Akka. #octal-fan-fiction
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Also turns the f-interpolator into a migration
assistant by suggesting alternatives for the
standard escapes.
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No crazyquoting. Use global.abort on total fail.
Remove unnecessary usage of varargs Apply, per review.
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A denshish refactor makes the FormatInterpolator a nice bundle
that destructures its input and flattens out the classes to
give the code some elbow room. Everything shifts left.
The `checkType` method is refolded and renamed `pickAcceptable`.
An additional test case captures the leading edge test, that
a % should follow a hole, and which is the most basic
requirement.
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