Files
2021-09-10 16:29:16 +03:00

60 lines
1.1 KiB
Kotlin
Vendored

// FIR_IDENTICAL
// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
// !OPT_IN: kotlin.contracts.ExperimentalContracts
// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
import kotlin.contracts.*
fun <T> myRun(block: () -> T): T {
contract {
callsInPlace(block, InvocationKind.EXACTLY_ONCE)
}
return block()
}
fun someComputation(): Int = 42
fun tryCatchInlined() {
val x: Int
myRun {
try {
x = someComputation()
x.inc()
}
catch (e: java.lang.Exception) {
<!UNINITIALIZED_VARIABLE!>x<!>.inc()
}
}
<!VAL_REASSIGNMENT!>x<!> = 42
x.inc()
}
fun possibleReassignmentInTryCatch() {
val x: Int
myRun {
try {
x = someComputation()
x.inc()
}
catch (e: java.lang.Exception) {
<!VAL_REASSIGNMENT!>x<!> = 42
x.inc()
}
x.inc()
}
x.inc()
}
fun tryCatchOuter() {
val x: Int
try {
myRun { x = someComputation() }
x.inc()
}
catch (e: java.lang.Exception) {
<!UNINITIALIZED_VARIABLE!>x<!>.inc()
}
}