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Specification has wrong syntax summary #5065

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scabug opened this issue Oct 7, 2011 · 4 comments
Closed

Specification has wrong syntax summary #5065

scabug opened this issue Oct 7, 2011 · 4 comments
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@adriaanm
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language spec
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2.11.0-RC3

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@scabug
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scabug commented Oct 7, 2011

Example for our issue: http://youtrack.jetbrains.net/issue/SCL-3419

package a {
  // Scala plugin reports an error 'Val or var keyword expected' on the parameter 'foo'.
  class Foo(private[a] foo: String)
}

But according to language specification this syntax is illegal:
ClassParam ::= {Annotation} {Modifier} ('val' ) id ':' ParamType ['=' Expr]
So something should be changed (specification or compiler).
I think, that compiler should be changed here because of simple reason, that this modifier has no sense on class parameter.
@scabug
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scabug commented Oct 7, 2011

Imported From: https://issues.scala-lang.org/browse/SI-5065?orig=1
Reporter: @Alefas
Affected Versions: 2.9.1

@scabug
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scabug commented May 12, 2012

@soc said:
This is also a bit inconsistent (Scala version 2.10.0-20120511-110655-3511e5960d (OpenJDK 64-Bit Server VM, Java 1.7.0_03)):

package a {
  class Foo(private[a] foo: String)
  class Bar(protected[a] bar: String)
}
% scalac si-5065.scala
si-5065.scala:3: error: 'val' expected but identifier found.
  class Bar(protected[a] bar: String)
                         ^
si-5065.scala:4: error: identifier expected but '}' found.
}
^

At least the error message (and recovery, see second error) needs some fixes.

@scabug
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scabug commented Oct 15, 2013

@gkossakowski said:
Unassigning and rescheduling to M7 as previous deadline was missed.

@scabug scabug closed this as completed Mar 12, 2014
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scabug commented Mar 12, 2014

@adriaanm said:
Fixed in the markdown spec.

@scabug scabug added this to the 2.11.0-RC3 milestone Apr 7, 2017
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