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https://issues.apache.org/jira/browse/GROOVY-12715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18140679#comment-18140679
]
ASF GitHub Bot commented on GROOVY-12715:
-----------------------------------------
testlens-app[bot] commented on PR #3248:
URL: https://github.com/apache/groovy/pull/3248#issuecomment-6720278907
## 🚨 All tests passed but jobs failed 🚨
### Failed Jobs without Test Failures
❌ [Build and test / lts \(21,
ubuntu-latest\)](https://github.com/apache/groovy/actions/runs/42470636053/job/128700318795?pr=3248)
❌ [Build and test for coverage /
test](https://github.com/apache/groovy/actions/runs/42470636016/job/128700318328?pr=3248)
❌ [Check licenses / test
\(ubuntu-latest\)](https://github.com/apache/groovy/actions/runs/42470636019/job/128700318287?pr=3248)
❌ [CodeQL / Analyze \(java,
21\)](https://github.com/apache/groovy/actions/runs/42470636129/job/128700318533?pr=3248)
❌ [Generate SNAPSHOT artifacts /
dist](https://github.com/apache/groovy/actions/runs/42470636064/job/128700318249?pr=3248)
❌ [Generate SNAPSHOT distributions /
dist](https://github.com/apache/groovy/actions/runs/42470636118/job/128700318617?pr=3248)
❌ [Lint gate /
lint](https://github.com/apache/groovy/actions/runs/42470636013/job/128700318242?pr=3248)
❌ [Performance check /
test](https://github.com/apache/groovy/actions/runs/42470636095/job/128700318616?pr=3248)
❌ [jmh /
summary](https://github.com/apache/groovy/actions/runs/42470636056/job/128700438703?pr=3248)
❌ [jmh / test \(bench,
\\\\.bench\\\\.\)](https://github.com/apache/groovy/actions/runs/42470636056/job/128700318623?pr=3248)
❌ [jmh / test \(core-ag,
\\\\.perf\\\\.[A-G]\)](https://github.com/apache/groovy/actions/runs/42470636056/job/128700318705?pr=3248)
❌ [jmh / test \(core-hz,
\\\\.perf\\\\.[H-Z]\)](https://github.com/apache/groovy/actions/runs/42470636056/job/128700318417?pr=3248)
❌ [jmh / test \(grails-ad,
\\\\.perf\\\\.grails\\\\.[A-D]\)](https://github.com/apache/groovy/actions/runs/42470636056/job/128700318631?pr=3248)
❌ [jmh / test \(grails-ez,
\\\\.perf\\\\.grails\\\\.[E-Z]\)](https://github.com/apache/groovy/actions/runs/42470636056/job/128700318649?pr=3248)
❌ [jmh-classic / test \(bench,
\\\\.bench\\\\.\)](https://github.com/apache/groovy/actions/runs/42470636097/job/128700319110?pr=3248)
❌ [jmh-classic / test \(core-ag,
\\\\.perf\\\\.[A-G]\)](https://github.com/apache/groovy/actions/runs/42470636097/job/128700319013?pr=3248)
❌ [jmh-classic / test \(grails-ad,
\\\\.perf\\\\.grails\\\\.[A-D]\)](https://github.com/apache/groovy/actions/runs/42470636097/job/128700319120?pr=3248)
🏷️ Commit: 85443e913ca3547b1003a57d1a4df555f1b945fa
▶️ Tests: 0 executed
🟡 Checks: 19/25 completed
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> A cast applied to await or to an async closure is parsed as a call to a
> method named await or async
> ---------------------------------------------------------------------------------------------------
>
> Key: GROOVY-12715
> URL: https://issues.apache.org/jira/browse/GROOVY-12715
> Project: Groovy
> Issue Type: Bug
> Components: parser-antlr4
> Affects Versions: 6.0.0
> Environment: Groovy 6.0.0 binary distribution and master 7379c5720d;
> BellSoft JDK 21.0.12; macOS 15 arm64
> Reporter: Scott Murphy Heiberg
> Priority: Major
>
> {{await}} and {{async}} are contextual keywords with their own alternatives
> in the {{expression}} rule of the grammar ({{awaitExprAlt}},
> {{asyncClosureExprAlt}}), but the operand of a cast is parsed by
> {{castOperandExpression}}, which lists only another cast, a
> {{postfixExpression}} and the unary operators. So after a cast the two words
> fall back to being identifiers, and {{(BigDecimal) await(price)}} is a call
> to a method named {{await}} with one argument, {{(Awaitable<Integer>) async {
> 7 }}} a call to a method named {{async}} with a closure. At script level that
> is a {{MissingMethodException}}; inside an async task the exception is
> swallowed by the task nobody awaits, and the code awaiting the task's result
> hangs.
> On 6.0.0 and master (JDK 21):
> {code:groovy}
> def t = async { 7 }
> Integer a = (Integer) await t // MissingMethodException: No
> signature of method: await for class: Script1 ...
> (groovy.concurrent.Awaitable)
> {code}
> {code:groovy}
> import groovy.concurrent.Awaitable
> Awaitable<Integer> t = (Awaitable<Integer>) async { 7 } //
> MissingMethodException: ... async ... (Script1$_run_closure1)
> {code}
> {code:groovy}
> import groovy.concurrent.DataflowVariable
> DataflowVariable<BigDecimal> price = new DataflowVariable<BigDecimal>()
> DataflowVariable<Integer> quantity = new DataflowVariable<Integer>()
> DataflowVariable<BigDecimal> total = new DataflowVariable<BigDecimal>()
> async {
> BigDecimal unitPrice = (BigDecimal) await(price) // parsed as
> this.await(price): the task fails
> Integer count = (Integer) await(quantity)
> total << unitPrice * count
> }
> async { quantity << 4 }
> async { price << 2.50 }
> println await(total) // hangs: total is
> never bound
> {code}
> The parenthesised forms {{(int) (await t)}} and {{-(await t)}} work, as do
> {{BigDecimal b = await(price)}} and {{await(price) as BigDecimal}}. Found
> because Claude Opus 5.5 wrote the cast form in every answer of an eval task
> under static typing; the script then timed out.
> Suggested fix: add the {{asyncClosureExprAlt}} and {{awaitExprAlt}}
> alternatives to {{castOperandExpression}} (it uses {{options { baseContext =
> expression; }}}, so the same labels reuse the same contexts and
> {{AstBuilder.visitAwaitExprAlt}} and {{visitAsyncClosureExprAlt}} apply
> unchanged). Pull request to follow.
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