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Add support for ${| ..} expansion (fixes #3243)

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Vidar Holen
2025-07-17 11:46:06 -07:00
parent 6a758d5dc7
commit 23097320a4
5 changed files with 21 additions and 15 deletions
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13
src/ShellCheck/Parser.hs
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@@ -1695,16 +1695,17 @@ readAmbiguous prefix expected alternative warner = do
prop_readDollarBraceCommandExpansion1 = isOk readDollarBraceCommandExpansion "${ ls; }"
prop_readDollarBraceCommandExpansion2 = isOk readDollarBraceCommandExpansion "${\nls\n}"
readDollarBraceCommandExpansion = called "ksh ${ ..; } command expansion" $ do
prop_readDollarBraceCommandExpansion3 = isOk readDollarBraceCommandExpansion "${| REPLY=42; }"
readDollarBraceCommandExpansion = called "ksh-style ${ ..; } command expansion" $ do
start <- startSpan
try $ do
string "${"
whitespace
c <- try $ do
string "${"
char '|' <|> whitespace
allspacing
term <- readTerm
char '}' <|> fail "Expected } to end the ksh ${ ..; } command expansion"
char '}' <|> fail "Expected } to end the ksh-style ${ ..; } command expansion"
id <- endSpan start
return $ T_DollarBraceCommandExpansion id term
return $ T_DollarBraceCommandExpansion id (if c == '|' then Piped else Unpiped) term
prop_readDollarBraced1 = isOk readDollarBraced "${foo//bar/baz}"
prop_readDollarBraced2 = isOk readDollarBraced "${foo/'{cow}'}"