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Change behavior of Xfatal-warnings & adjust final tests
Revert "Fix i18118.check"
1 parent aac902e commit b98f662

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-249
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144 files changed

+1097
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lines changed

compiler/src/dotty/tools/dotc/Run.scala

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -348,6 +348,7 @@ class Run(comp: Compiler, ictx: Context) extends ImplicitRunInfo with Constraint
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runCtx.withProgressCallback: cb =>
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_progress = Progress(cb, this, fusedPhases.map(_.traversals).sum)
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runPhases(allPhases = fusedPhases)(using runCtx)
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ctx.reporter.finalizeReporting()
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if (!ctx.reporter.hasErrors)
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Rewrites.writeBack()
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suppressions.runFinished(hasErrors = ctx.reporter.hasErrors)

compiler/src/dotty/tools/dotc/reporting/Reporter.scala

Lines changed: 6 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -172,19 +172,14 @@ abstract class Reporter extends interfaces.ReporterResult {
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end issueUnconfigured
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def issueIfNotSuppressed(dia: Diagnostic)(using Context): Unit =
175-
def toErrorIfFatal(dia: Diagnostic) = dia match
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case w: Warning if ctx.settings.silentWarnings.value => dia
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case w: ConditionalWarning if w.isSummarizedConditional => dia
178-
case w: Warning if ctx.settings.XfatalWarnings.value => w.toError
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case _ => dia
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def go() =
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import Action.*
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dia match
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case w: Warning => WConf.parsed.action(dia) match
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case Error => issueUnconfigured(w.toError)
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case Warning => issueUnconfigured(toErrorIfFatal(w))
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case Verbose => issueUnconfigured(toErrorIfFatal(w.setVerbose()))
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case Warning => issueUnconfigured(w)
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case Verbose => issueUnconfigured(w.setVerbose())
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case Info => issueUnconfigured(w.toInfo)
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case Silent =>
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case _ => issueUnconfigured(dia)
@@ -214,6 +209,10 @@ abstract class Reporter extends interfaces.ReporterResult {
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def incomplete(dia: Diagnostic)(using Context): Unit =
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incompleteHandler(dia, ctx)
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212+
def finalizeReporting()(using Context) =
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if (hasWarnings && ctx.settings.XfatalWarnings.value)
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report(new Error("No warnings can be incurred under -Werror.", NoSourcePosition))
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/** Summary of warnings and errors */
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def summary: String = {
219218
val b = new mutable.ListBuffer[String]
Lines changed: 8 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,17 +1,20 @@
11
//> using options -source:future-migration -deprecation -Werror
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scala> import scala.util._
3-
-- Error: ----------------------------------------------------------------------
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-- Migration Warning: ----------------------------------------------------------
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1 | import scala.util._
55
| ^
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| `_` is no longer supported for a wildcard import; use `*` instead
7-
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No warnings can be incurred under -Werror.
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1 warning found
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1 error found
810
scala> extension (x: Int) def foo(y: Int) = x + y
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def foo(x: Int)(y: Int): Int
10-
1112
scala> 2 foo 4
12-
-- Error: ----------------------------------------------------------------------
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-- Migration Warning: ----------------------------------------------------------
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1 | 2 foo 4
1415
| ^^^
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|Alphanumeric method foo is not declared infix; it should not be used as infix operator.
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|Instead, use method syntax .foo(...) or backticked identifier `foo`.
17-
1 error found
18+
No warnings can be incurred under -Werror.
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1 warning found
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1 error found
Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,11 @@
1+
-- Warning: tests/init-global/neg/context-sensitivity.scala:9:21 -------------------------------------------------------
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9 | def foo(): Int = A.m
3+
| ^^^
4+
| Access uninitialized field value m. Calling trace:
5+
| ├── object A: [ context-sensitivity.scala:14 ]
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| │ ^
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| ├── val m: Int = box1.value.foo() [ context-sensitivity.scala:17 ]
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| │ ^^^^^^^^^^^^^^^^
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| └── def foo(): Int = A.m [ context-sensitivity.scala:9 ]
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| ^^^
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No warnings can be incurred under -Werror.

tests/init-global/neg/context-sensitivity.scala

100755100644
Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@ class C(var x: Int) extends Foo {
66
}
77

88
class D(var y: Int) extends Foo {
9-
def foo(): Int = A.m // error
9+
def foo(): Int = A.m
1010
}
1111

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class Box(var value: Foo)
@@ -15,3 +15,5 @@ object A:
1515
val box1: Box = new Box(new C(5))
1616
val box2: Box = new Box(new D(10))
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val m: Int = box1.value.foo()
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19+
// nopos-error: No warnings can be incurred under -Werror.
Lines changed: 8 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1,20 +1,21 @@
1-
-- Error: tests/init-global/neg/global-cycle1.scala:1:7 ----------------------------------------------------------------
2-
1 |object A { // error
1+
-- Warning: tests/init-global/neg/global-cycle1.scala:1:7 --------------------------------------------------------------
2+
1 |object A {
33
| ^
44
| Cyclic initialization: object A -> object B -> object A. Calling trace:
5-
| ├── object A { // error [ global-cycle1.scala:1 ]
5+
| ├── object A { [ global-cycle1.scala:1 ]
66
| │ ^
77
| ├── val a: Int = B.b [ global-cycle1.scala:2 ]
88
| │ ^
99
| ├── object B { [ global-cycle1.scala:5 ]
1010
| │ ^
11-
| └── val b: Int = A.a // error [ global-cycle1.scala:6 ]
11+
| └── val b: Int = A.a [ global-cycle1.scala:6 ]
1212
| ^
13-
-- Error: tests/init-global/neg/global-cycle1.scala:6:17 ---------------------------------------------------------------
14-
6 | val b: Int = A.a // error
13+
-- Warning: tests/init-global/neg/global-cycle1.scala:6:17 -------------------------------------------------------------
14+
6 | val b: Int = A.a
1515
| ^^^
1616
| Access uninitialized field value a. Calling trace:
1717
| ├── object B { [ global-cycle1.scala:5 ]
1818
| │ ^
19-
| └── val b: Int = A.a // error [ global-cycle1.scala:6 ]
19+
| └── val b: Int = A.a [ global-cycle1.scala:6 ]
2020
| ^^^
21+
No warnings can be incurred under -Werror.
Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,12 @@
1-
object A { // error
1+
object A {
22
val a: Int = B.b
33
}
44

55
object B {
6-
val b: Int = A.a // error
6+
val b: Int = A.a
77
}
88

99
@main
1010
def Test = print(A.a)
11+
12+
// nopos-error: No warnings can be incurred under -Werror.
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,21 @@
1+
-- Warning: tests/init-global/neg/global-cycle14.scala:8:7 -------------------------------------------------------------
2+
8 |object A {
3+
| ^
4+
| Cyclic initialization: object A -> object B -> object A. Calling trace:
5+
| ├── object A { [ global-cycle14.scala:8 ]
6+
| │ ^
7+
| ├── val n: Int = B.m [ global-cycle14.scala:9 ]
8+
| │ ^
9+
| ├── object B { [ global-cycle14.scala:12 ]
10+
| │ ^
11+
| └── val m: Int = A.n [ global-cycle14.scala:13 ]
12+
| ^
13+
-- Warning: tests/init-global/neg/global-cycle14.scala:13:17 -----------------------------------------------------------
14+
13 | val m: Int = A.n
15+
| ^^^
16+
| Access uninitialized field value n. Calling trace:
17+
| ├── object B { [ global-cycle14.scala:12 ]
18+
| │ ^
19+
| └── val m: Int = A.n [ global-cycle14.scala:13 ]
20+
| ^^^
21+
No warnings can be incurred under -Werror.

tests/init-global/neg/global-cycle14.scala

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,10 +5,12 @@ object O {
55
val d = Data(3)
66
}
77

8-
object A { // error
8+
object A {
99
val n: Int = B.m
1010
}
1111

1212
object B {
13-
val m: Int = A.n // error
13+
val m: Int = A.n
1414
}
15+
16+
// nopos-error: No warnings can be incurred under -Werror.
Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,11 @@
1+
-- Warning: tests/init-global/neg/global-cycle2.scala:6:21 -------------------------------------------------------------
2+
6 | def foo(): Int = A.a * 2
3+
| ^^^
4+
| Access uninitialized field value a. Calling trace:
5+
| ├── object A { [ global-cycle2.scala:1 ]
6+
| │ ^
7+
| ├── val a: Int = B.foo() [ global-cycle2.scala:2 ]
8+
| │ ^^^^^^^
9+
| └── def foo(): Int = A.a * 2 [ global-cycle2.scala:6 ]
10+
| ^^^
11+
No warnings can be incurred under -Werror.

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