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[FIR] Consider stability of receiver for DFA variables

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^KT-57425 Fixed
This commit is contained in:
Dmitriy Novozhilov
2023-04-28 16:37:41 +03:00
committed by Space Team
parent d579798169
commit 1936658e40
9 changed files with 252 additions and 6 deletions
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compiler/testData/diagnostics/tests/smartCasts/publicVals/accessThrowOtherModule.kt
Vendored
+14
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@@ -0,0 +1,14 @@
// FIR_IDENTICAL
// ISSUE: KT-57425
// WITH_STDLIB
data class Data(val x: Int?)
fun test(pair: Pair<String?, Data>) {
if (pair.second.x != null) {
<!SMARTCAST_IMPOSSIBLE!>pair.second.x<!>.inc() // should be an error
}
if (pair.first != null) {
<!SMARTCAST_IMPOSSIBLE!>pair.first<!>.length // should be an error
}
}
compiler/testData/diagnostics/tests/smartCasts/variables/reassignedDependency_unstable.fir.kt
Vendored
+80
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@@ -0,0 +1,80 @@
// SKIP_TXT
class C {
val x: String?
get() = null
}
fun test1() {
var c = C()
val x = c.x
if (x == null) return
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
c = C()
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
fun test2() {
var c = C()
val x = c.x
if (x == null) return
while (true) {
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
c = C()
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
}
fun test3(p: Boolean) {
var c = C()
val x = c.x
if (x == null) return
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
if (p) {
c = C()
}
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
fun test4(p: Boolean, q: Boolean) {
var c = C()
val x = c.x
if (x == null) return
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
if (p) {
if (q) {
c = C()
} else {
c = C()
}
} else {
if (q) {
c = C()
} else {
c = C()
}
}
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
fun test5() {
var c = C()
val d = c
val x = d.x
if (x == null) return
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
d.x<!UNSAFE_CALL!>.<!>length // no smartcast
c = C()
x.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
d.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
compiler/testData/diagnostics/tests/smartCasts/variables/reassignedDependency_unstable.kt
Vendored
+80
View File
@@ -0,0 +1,80 @@
// SKIP_TXT
class C {
val x: String?
get() = null
}
fun test1() {
var c = C()
val x = c.x
if (x == null) return
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
c = C()
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
fun test2() {
var c = C()
val x = c.x
if (x == null) return
while (true) {
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
c = C()
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
}
fun test3(p: Boolean) {
var c = C()
val x = c.x
if (x == null) return
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
if (p) {
c = C()
}
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
fun test4(p: Boolean, q: Boolean) {
var c = C()
val x = c.x
if (x == null) return
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
if (p) {
if (q) {
c = C()
} else {
c = C()
}
} else {
if (q) {
c = C()
} else {
c = C()
}
}
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
}
fun test5() {
var c = C()
val d = c
val x = d.x
if (x == null) return
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
<!SMARTCAST_IMPOSSIBLE!>d.x<!>.length // no smartcast
c = C()
<!DEBUG_INFO_SMARTCAST!>x<!>.length // smartcast
c.x<!UNSAFE_CALL!>.<!>length // no smartcast
<!SMARTCAST_IMPOSSIBLE!>d.x<!>.length // no smartcast
}