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Reorder error message to add callstack after the error syntax node

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Rick Winfrey 2017-05-18 09:47:14 -07:00 committed by Rob Rix
parent 1a98dba03b
commit 9519e557be
1 changed files with 1 additions and 1 deletions
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src/Data/Syntax/Assignment.hs
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@ -167,9 +167,9 @@ data ErrorCause symbol
showError :: Show symbol => Source.Source -> Error symbol -> ShowS
showError source Error{..}
= showSourcePos errorPos . showString ": error: " . showExpectation . showChar '\n'
. showString (prettyCallStack callStack) . showChar '\n'
. showString context -- actualLines results include line endings, so no newline here
. showString (replicate (succ (Info.column errorPos + lineNumberDigits)) ' ') . showChar '^' . showChar '\n'
. showString (prettyCallStack callStack) . showChar '\n'
where showExpectation = case errorCause of
UnexpectedEndOfInput [] -> showString "no rule to match at end of input nodes"
UnexpectedEndOfInput symbols -> showString "expected " . showSymbols symbols . showString " at end of input nodes"