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FIR checkers: report SMARTCAST_IMPOSSIBLE

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This commit is contained in:
Tianyu Geng
2021-05-08 20:51:02 -07:00
committed by TeamCityServer
parent 2bb7ef9747
commit ce767046eb
58 changed files with 347 additions and 268 deletions
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idea/testData/checker/infos/SmartCasts.fir.kt
Vendored
+4 -4
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@@ -234,13 +234,13 @@ class Mutable(var x: String?) {
fun foo(): String {
if (x is String) {
return <error descr="[RETURN_TYPE_MISMATCH] Return type mismatch: expected kotlin/String, actual kotlin/String?">x</error>
return <error descr="[SMARTCAST_IMPOSSIBLE] Smart cast to 'kotlin/String' is impossible, because 'this@R|/Mutable|.R|/Mutable.x|' is a mutable property that could have been changed by this time">x</error>
}
if (x != null) {
return <error descr="[RETURN_TYPE_MISMATCH] Return type mismatch: expected kotlin/String, actual kotlin/String?">x</error>
return <error descr="[SMARTCAST_IMPOSSIBLE] Smart cast to 'kotlin/String' is impossible, because 'this@R|/Mutable|.R|/Mutable.x|' is a mutable property that could have been changed by this time">x</error>
}
if (xx is String) {
return <error descr="[RETURN_TYPE_MISMATCH] Return type mismatch: expected kotlin/String, actual kotlin/String?">xx</error>
return <error descr="[SMARTCAST_IMPOSSIBLE] Smart cast to 'kotlin/String' is impossible, because 'this@R|/Mutable|.R|/Mutable.xx|' is a property that has open or custom getter">xx</error>
}
return ""
}
@@ -248,7 +248,7 @@ class Mutable(var x: String?) {
fun bar(other: Mutable): String {
var y = other
if (y.x is String) {
return <error descr="[RETURN_TYPE_MISMATCH] Return type mismatch: expected kotlin/String, actual kotlin/String?">y.x</error>
return <error descr="[SMARTCAST_IMPOSSIBLE] Smart cast to 'kotlin/String' is impossible, because 'R|<local>/y|.R|/Mutable.x|' is a mutable property that could have been changed by this time">y.x</error>
}
return ""
}