Fail calls constraints of which contain uninferred type parameter

^KT-44055 Fixed

It's possible only if there is a callable reference among subcalls which go though the old type inference (and the error for uninferred type parameter wasn't reported)
This commit is contained in:
Victor Petukhov
2020-12-24 13:52:05 +03:00
parent 9afc13f002
commit 0dde5ddd7e
8 changed files with 30 additions and 54 deletions
@@ -141,8 +141,12 @@ class VariableFixationFinder(
return false return false
} }
private fun Context.variableHasProperArgumentConstraints(variable: TypeConstructorMarker): Boolean = private fun Context.variableHasProperArgumentConstraints(variable: TypeConstructorMarker): Boolean {
notFixedTypeVariables[variable]?.constraints?.any { isProperArgumentConstraint(it) } ?: false val constraints = notFixedTypeVariables[variable]?.constraints ?: return false
// temporary hack to fail calls which contain callable references resolved though OI with uninferred type parameters
val areThereConstraintsWithUninferredTypeParameter = constraints.any { c -> c.type.contains { it.isUninferredParameter() } }
return constraints.any { isProperArgumentConstraint(it) } && !areThereConstraintsWithUninferredTypeParameter
}
private fun Context.isProperArgumentConstraint(c: Constraint) = private fun Context.isProperArgumentConstraint(c: Constraint) =
isProperType(c.type) isProperType(c.type)
@@ -167,7 +171,7 @@ inline fun TypeSystemInferenceExtensionContext.isProperTypeForFixation(
type: KotlinTypeMarker, type: KotlinTypeMarker,
isProper: (KotlinTypeMarker) -> Boolean isProper: (KotlinTypeMarker) -> Boolean
): Boolean { ): Boolean {
if (!isProper(type) || type.contains { it.isUninferredParameter() }) return false if (!isProper(type)) return false
if (type.isCapturedType()) { if (type.isCapturedType()) {
val projection = (type as? SimpleTypeMarker)?.asCapturedType()?.typeConstructorProjection() ?: return true val projection = (type as? SimpleTypeMarker)?.asCapturedType()?.typeConstructorProjection() ?: return true
if (projection.isStarProjection()) return true if (projection.isStarProjection()) return true
@@ -1,4 +1,5 @@
// WITH_RUNTIME // WITH_RUNTIME
// IGNORE_BACKEND_FIR: JVM_IR
import kotlin.experimental.ExperimentalTypeInference import kotlin.experimental.ExperimentalTypeInference
@@ -32,12 +32,6 @@ fun poll16(flag: Boolean): Any? {
return inv() return inv()
} }
// TODO
//fun poll17(flag: Boolean): Any? {
// val inv = if (flag) { foo7() } else { ::Foo7 }
// return inv
//}
fun poll21(flag: Boolean): Any? { fun poll21(flag: Boolean): Any? {
val inv = when (flag) { true -> ::bar2 else -> ::foo2 } val inv = when (flag) { true -> ::bar2 else -> ::foo2 }
return inv() return inv()
@@ -48,12 +42,6 @@ fun poll25(flag: Boolean): Any? {
return inv return inv
} }
// TODO
//fun poll26(flag: Boolean): Any? {
// val inv = when (flag) { true -> ::Foo7 false -> foo7() else -> ::Foo7 }
// return inv
//}
fun poll31(flag: Boolean): Any? { fun poll31(flag: Boolean): Any? {
val inv = when (flag) { true -> ::bar2 false -> ::foo2 } val inv = when (flag) { true -> ::bar2 false -> ::foo2 }
return inv() return inv()
@@ -64,12 +52,6 @@ fun poll35(flag: Boolean): Any? {
return inv return inv
} }
// TODO
//fun poll36(flag: Boolean): Any? {
// val inv = when (flag) { true -> ::Foo7 false -> foo7() }
// return inv
//}
fun poll41(): Any? { fun poll41(): Any? {
val inv = try { ::bar2 } finally { ::foo2 } val inv = try { ::bar2 } finally { ::foo2 }
return inv() return inv()
@@ -90,12 +72,6 @@ fun poll55(): Any? {
return inv() return inv()
} }
// TODO
//fun poll56(): Any? {
// val inv = try { ::Foo7 } catch (e: Exception) { foo7() } finally { foo7() }
// return inv
//}
fun poll61(): Any? { fun poll61(): Any? {
val inv = ::bar2 val inv = ::bar2
return inv return inv
@@ -121,7 +97,6 @@ fun poll81(): Any? {
return inv return inv
} }
fun poll85(): Any? { fun poll85(): Any? {
val inv = ::Foo6 in setOf(::Foo6) val inv = ::Foo6 in setOf(::Foo6)
return inv return inv
@@ -131,18 +106,14 @@ fun box(): String {
poll1(true) poll1(true)
poll11(true) poll11(true)
poll16(true) poll16(true)
// poll17(true)
poll21(true) poll21(true)
poll25(true) poll25(true)
// poll26(true)
poll31(true) poll31(true)
poll35(true) poll35(true)
// poll36(true)
poll41() poll41()
poll45() poll45()
poll51() poll51()
poll55() poll55()
// poll56()
poll61() poll61()
poll65() poll65()
poll71() poll71()
@@ -136,8 +136,8 @@ fun poll16(flag: Boolean): Flow<String> {
fun poll17(flag: Boolean): Flow<String> { fun poll17(flag: Boolean): Flow<String> {
return flow { return flow {
val inv = if (flag) { <!IMPLICIT_CAST_TO_ANY!>foo7()<!> } else { <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> } val inv = if (flag) { foo7() } else { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> }
inv <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
} }
@@ -185,7 +185,7 @@ fun poll25(flag: Boolean): Flow<String> {
fun poll26(flag: Boolean): Flow<String> { fun poll26(flag: Boolean): Flow<String> {
return flow { return flow {
val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> <!REDUNDANT_ELSE_IN_WHEN!>else<!> -> <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> } val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> <!REDUNDANT_ELSE_IN_WHEN!>else<!> -> <!IMPLICIT_CAST_TO_ANY, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> }
inv inv
} }
} }
@@ -234,7 +234,7 @@ fun poll35(flag: Boolean): Flow<String> {
fun poll36(flag: Boolean): Flow<String> { fun poll36(flag: Boolean): Flow<String> {
return flow { return flow {
val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> } val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> }
inv inv
} }
} }
@@ -332,8 +332,8 @@ fun poll55(): Flow<String> {
fun poll56(): Flow<String> { fun poll56(): Flow<String> {
return flow { return flow {
val inv = try { ::Foo7 } catch (e: Exception) { foo7() } finally { foo7() } val inv = try { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> } catch (e: Exception) { foo7() } finally { foo7() }
inv <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
} }
@@ -85,8 +85,8 @@ fun poll16(flag: Boolean): Flow<String> {
fun poll17(flag: Boolean): Flow<String> { fun poll17(flag: Boolean): Flow<String> {
return flow { return flow {
val inv = if (flag) { <!IMPLICIT_CAST_TO_ANY!>foo7()<!> } else { <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> } val inv = if (flag) { foo7() } else { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> }
inv <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
} }
@@ -183,7 +183,7 @@ fun poll55(): Flow<String> {
fun poll56(): Flow<String> { fun poll56(): Flow<String> {
return flow { return flow {
val inv = try { ::Foo7 } catch (e: Exception) { foo7() } finally { foo7() } val inv = try { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> } catch (e: Exception) { foo7() } finally { foo7() }
inv <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
} }
@@ -9,8 +9,8 @@ class Foo7<T>
fun foo7() = null as Foo7<Int> fun foo7() = null as Foo7<Int>
fun poll17(flag: Boolean): Any? { fun poll17(flag: Boolean): Any? {
val inv = if (flag) { <!IMPLICIT_CAST_TO_ANY!>foo7()<!> } else { <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> } val inv = if (flag) { foo7() } else { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> }
return inv return <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
fun poll26(flag: Boolean): Any? { fun poll26(flag: Boolean): Any? {
@@ -24,6 +24,6 @@ fun poll36(flag: Boolean): Any? {
} }
fun poll56(): Any? { fun poll56(): Any? {
val inv = try { ::Foo7 } catch (e: Exception) { foo7() } finally { foo7() } val inv = try { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> } catch (e: Exception) { foo7() } finally { foo7() }
return inv return <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
@@ -3,10 +3,10 @@
class Foo class Foo
fun main1() = when { fun main1() = when {
else -> <!TYPE_MISMATCH!>Foo::plus<!> else -> <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_MISMATCH!>Foo::plus<!>
} }
fun main2() = if (true) Foo::<!UNRESOLVED_REFERENCE!>minus<!> else Foo::<!UNRESOLVED_REFERENCE!>times<!> fun main2() = if (true) <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>Foo::<!UNRESOLVED_REFERENCE!>minus<!><!> else <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>Foo::<!UNRESOLVED_REFERENCE!>times<!><!>
fun main3() = if (true) { Foo::<!UNRESOLVED_REFERENCE!>minus<!> } else { Foo::<!UNRESOLVED_REFERENCE!>times<!> } fun main3() = if (true) { Foo::<!UNRESOLVED_REFERENCE!>minus<!> } else { Foo::<!UNRESOLVED_REFERENCE!>times<!> }
@@ -54,8 +54,8 @@ fun poll16(flag: Boolean) {
} }
fun poll17(flag: Boolean) { fun poll17(flag: Boolean) {
val inv = if (flag) { <!IMPLICIT_CAST_TO_ANY!>foo7()<!> } else { <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> } val inv = if (flag) { foo7() } else { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> }
inv <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
fun poll2(flag: Boolean) { fun poll2(flag: Boolean) {
@@ -89,7 +89,7 @@ fun poll25(flag: Boolean) {
} }
fun poll26(flag: Boolean) { fun poll26(flag: Boolean) {
val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> <!REDUNDANT_ELSE_IN_WHEN!>else<!> -> <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> } val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> <!REDUNDANT_ELSE_IN_WHEN!>else<!> -> <!IMPLICIT_CAST_TO_ANY, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> }
inv inv
} }
@@ -124,7 +124,7 @@ fun poll35(flag: Boolean) {
} }
fun poll36(flag: Boolean) { fun poll36(flag: Boolean) {
val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> } val inv = when (flag) { true -> <!IMPLICIT_CAST_TO_ANY, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> false -> <!IMPLICIT_CAST_TO_ANY!>foo7()<!> }
inv inv
} }
@@ -194,8 +194,8 @@ fun poll55() {
} }
fun poll56() { fun poll56() {
val inv = try { ::Foo7 } catch (e: Exception) { foo7() } finally { foo7() } val inv = try { <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!> } catch (e: Exception) { foo7() } finally { foo7() }
inv <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
} }
fun poll6() { fun poll6() {