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[FE] Introduce warnings on possible empty intersection types, and improve errors reporting in general

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^KT-52361 Fixed
This commit is contained in:
Victor Petukhov
2022-05-23 10:10:59 +02:00
committed by teamcity
parent e133ee3765
commit 6a34b184ac
53 changed files with 501 additions and 335 deletions
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compiler/testData/diagnostics/tests/resolve/specialConstructions/elvisAsCall.fir.kt
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+1 -1
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@@ -13,7 +13,7 @@ fun testElvis(a: Int?, b: Int?) {
if (a != null) {
doInt(b ?: a)
}
doList(getList() ?: emptyListOfA()) //should be an error
<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION("T; a/A, kotlin/Int")!>doList<!>(getList() ?: emptyListOfA()) //should be an error
doList(getList() ?: strangeList { doInt(it) }) //lambda was not analyzed
}
compiler/testData/diagnostics/tests/resolve/specialConstructions/elvisAsCall.kt
Vendored
+1 -1
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@@ -13,7 +13,7 @@ fun testElvis(a: Int?, b: Int?) {
if (a != null) {
doInt(b ?: <!DEBUG_INFO_SMARTCAST!>a<!>)
}
doList(getList() ?: emptyListOfA()) //should be an error
<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION("")!>doList<!>(getList() ?: emptyListOfA()) //should be an error
doList(getList() ?: strangeList { doInt(it) }) //lambda was not analyzed
}
compiler/testData/diagnostics/tests/resolve/specialConstructions/exclExclAsCall.fir.kt
Vendored
+1 -1
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@@ -12,7 +12,7 @@ fun <T: A> emptyNullableListOfA(): List<T>? = null
//-------------------------------
fun testExclExcl() {
doList(emptyNullableListOfA()!!) //should be an error here
<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION("T; a/A, kotlin/Int")!>doList<!>(emptyNullableListOfA()!!) //should be an error here
val l: List<Int> = <!INITIALIZER_TYPE_MISMATCH, NEW_INFERENCE_ERROR!>id(emptyNullableListOfA()!!)<!>
doList(strangeNullableList { doInt(it) }!!) //lambda should be analyzed (at completion phase)
compiler/testData/diagnostics/tests/resolve/specialConstructions/exclExclAsCall.kt
Vendored
+1 -1
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@@ -12,7 +12,7 @@ fun <T: A> emptyNullableListOfA(): List<T>? = null
//-------------------------------
fun testExclExcl() {
doList(emptyNullableListOfA()!!) //should be an error here
<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION("")!>doList<!>(emptyNullableListOfA()!!) //should be an error here
val l: List<Int> = <!TYPE_MISMATCH!><!TYPE_MISMATCH!>id<!>(<!TYPE_MISMATCH!>emptyNullableListOfA<!>()<!TYPE_MISMATCH!>!!<!>)<!>
doList(strangeNullableList { doInt(it) }!!) //lambda should be analyzed (at completion phase)