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Refactor resolution of double colon expression LHS

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Try resolving the LHS only when it looks (PSI-wise) like it could represent a
type element. This, for example, allows "illegal selector" error to be reported
on weird expressions like '""?.""::class'.

Also remove expression text from the "illegal selector" diagnostic, it's not
needed and can screw up the error message if the text is too big
This commit is contained in:
Alexander Udalov
2016-06-17 15:19:45 +03:00
parent 5a2f34b351
commit 5a6237b357
9 changed files with 125 additions and 52 deletions
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idea/testData/quickfix/createFromUsage/createFunction/call/kt10983.kt
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+1 -1
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@@ -1,6 +1,6 @@
// "Create function" "false"
// ERROR: A 'return' expression required in a function with a block body ('{...}')
// ERROR: Expression 'return groupsByLength.values.firstOrNull { group -> {group.size == maximumSizeOfGroup} }' cannot be a selector (occur after a dot)
// ERROR: The expression cannot be a selector (occur after a dot)
// ERROR: Type inference failed: inline fun <T> Iterable<T>.firstOrNull(predicate: (T) -> Boolean): T?<br>cannot be applied to<br>receiver: Collection<List<String>> arguments: ((List<String>) -> () -> Boolean)<br>
// ERROR: Type mismatch: inferred type is (List<String>) -> () -> Boolean but (List<String>) -> Boolean was expected
// ERROR: Unresolved reference: maximumSizeOfGroup