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using an unparsable variable name in the internal desugaring of table extension to avoid captures; captures with iterated table extensions might still be possible, which needs further analysis

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Aarne Ranta
2022-10-04 11:06:56 +02:00
parent 83483b93ba
commit 223f92d4f6
1 changed files with 1 additions and 1 deletions
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src/compiler/GF/Grammar/Parser.y
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@@ -430,7 +430,7 @@ Exp3
RecType xs -> RecType (xs ++ [(tupleLabel (length xs+1),$3)])
t -> RecType [(tupleLabel 1,$1), (tupleLabel 2,$3)] }
| Exp3 '**' Exp4 { ExtR $1 $3 }
| Exp3 '**' '{' ListCase '}' { let v = identS "vvv" in T TRaw ($4 ++ [(PV v, S $1 (Vr v))]) }
| Exp3 '**' '{' ListCase '}' { let v = identS "$vvv" in T TRaw ($4 ++ [(PV v, S $1 (Vr v))]) }
| Exp4 { $1 }
Exp4 :: { Term }