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[FE 1.0] Introduce deprecation of inferred type variable into a declared upper bound within a builder inference call

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This commit is contained in:
Victor Petukhov
2022-05-31 13:42:35 +02:00
committed by teamcity
parent 848075192c
commit b472ccd358
31 changed files with 300 additions and 35 deletions
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compiler/testData/diagnostics/tests/inference/builderInference/kt47986Default.diag.txt
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+12
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@@ -0,0 +1,12 @@
/kt47986Default.kt:4:18: warning: parameter 'builderAction' is never used
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
^
/kt47986Default.kt:6:20: warning: parameter 'x' is never used
fun <K> Foo<K>.bar(x: Int = 1) {}
^
/kt47986Default.kt:9:9: warning: variable 'x' is never used
val x = buildFoo {
^
/kt47986Default.kt:9:13: warning: type parameter for a type argument K can't be inferred into declared upper bounds. Please provide any use-site type information. It will become an error in future releases.
val x = buildFoo {
^
compiler/testData/diagnostics/tests/inference/builderInference/kt47986.kt → compiler/testData/diagnostics/tests/inference/builderInference/kt47986Default.fir.kt
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+2 -2
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@@ -1,4 +1,4 @@
// FIR_IDENTICAL
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
@@ -9,4 +9,4 @@ fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> {
bar()
}
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986Default.kt
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+12
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@@ -0,0 +1,12 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <K> Foo<K>.bar(x: Int = 1) {}
fun main() {
val x = <!INFERRED_INTO_DECLARED_UPPER_BOUNDS!>buildFoo<!> {
bar()
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986.txt → compiler/testData/diagnostics/tests/inference/builderInference/kt47986Default.txt
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compiler/testData/diagnostics/tests/inference/builderInference/kt47986Disabled.diag.txt
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+12
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@@ -0,0 +1,12 @@
/kt47986Disabled.kt:5:18: warning: parameter 'builderAction' is never used
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
^
/kt47986Disabled.kt:7:20: warning: parameter 'x' is never used
fun <K> Foo<K>.bar(x: Int = 1) {}
^
/kt47986Disabled.kt:10:9: warning: variable 'x' is never used
val x = buildFoo {
^
/kt47986Disabled.kt:10:13: warning: type parameter for a type argument K can't be inferred into declared upper bounds. Please provide any use-site type information. It will become an error in future releases.
val x = buildFoo {
^
compiler/testData/diagnostics/tests/inference/builderInference/kt47986Disabled.fir.kt
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+13
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@@ -0,0 +1,13 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
// !LANGUAGE: -ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <K> Foo<K>.bar(x: Int = 1) {}
fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> {
bar()
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986Disabled.kt
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+13
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@@ -0,0 +1,13 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
// !LANGUAGE: -ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <K> Foo<K>.bar(x: Int = 1) {}
fun main() {
val x = <!INFERRED_INTO_DECLARED_UPPER_BOUNDS!>buildFoo<!> {
bar()
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986Disabled.txt
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+12
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@@ -0,0 +1,12 @@
package
public fun </*0*/ K> buildFoo(/*0*/ builderAction: Foo<K>.() -> kotlin.Unit): Foo<K>
public fun main(): kotlin.Unit
public fun </*0*/ K> Foo<K>.bar(/*0*/ x: kotlin.Int = ...): kotlin.Unit
public final class Foo</*0*/ K> {
public constructor Foo</*0*/ K>()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986Enabled.kt
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+13
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@@ -0,0 +1,13 @@
// FIR_IDENTICAL
// !LANGUAGE: +ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <K> Foo<K>.bar(x: Int = 1) {}
fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> {
bar()
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986Enabled.txt
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+12
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@@ -0,0 +1,12 @@
package
public fun </*0*/ K> buildFoo(/*0*/ builderAction: Foo<K>.() -> kotlin.Unit): Foo<K>
public fun main(): kotlin.Unit
public fun </*0*/ K> Foo<K>.bar(/*0*/ x: kotlin.Int = ...): kotlin.Unit
public final class Foo</*0*/ K> {
public constructor Foo</*0*/ K>()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986_2.diag.txt
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+12
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@@ -0,0 +1,12 @@
/kt47986_2.kt:4:18: warning: parameter 'builderAction' is never used
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
^
/kt47986_2.kt:11:9: warning: variable 'x' is never used
val x = buildFoo { // can't infer
^
/kt47986_2.kt:11:13: warning: type parameter for a type argument K can't be inferred into declared upper bounds. Please provide any use-site type information. It will become an error in future releases.
val x = buildFoo { // can't infer
^
/kt47986_2.kt:12:13: warning: variable 'y' is never used
val y = id(::bar)
^
compiler/testData/diagnostics/tests/inference/builderInference/kt47986_2.fir.kt
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+14
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@@ -0,0 +1,14 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <L> Foo<L>.bar() {}
fun <K> id(x: K) = x
fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> { // can't infer
val y = id(::bar)
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986_2.kt
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+2 -2
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@@ -1,4 +1,4 @@
// FIR_IDENTICAL
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
@@ -8,7 +8,7 @@ fun <L> Foo<L>.bar() {}
fun <K> id(x: K) = x
fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> { // can't infer
val x = <!INFERRED_INTO_DECLARED_UPPER_BOUNDS!>buildFoo<!> { // can't infer
val y = id(::bar)
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986_3.diag.txt
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@@ -0,0 +1,12 @@
/kt47986_3.kt:4:18: warning: parameter 'builderAction' is never used
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
^
/kt47986_3.kt:6:26: warning: parameter 'x' is never used
fun <K: N, N> Foo<K>.bar(x: Int = 1) {}
^
/kt47986_3.kt:9:9: warning: variable 'x' is never used
val x = buildFoo {
^
/kt47986_3.kt:9:13: warning: type parameter for a type argument K can't be inferred into declared upper bounds. Please provide any use-site type information. It will become an error in future releases.
val x = buildFoo {
^
compiler/testData/diagnostics/tests/inference/builderInference/kt47986_3.fir.kt
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+12
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@@ -0,0 +1,12 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <K: N, N> Foo<K>.bar(x: Int = 1) {}
fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> {
bar()
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt47986_3.kt
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+2 -2
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@@ -1,4 +1,4 @@
// FIR_IDENTICAL
// !RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<K>
fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
@@ -6,7 +6,7 @@ fun <K> buildFoo(builderAction: Foo<K>.() -> Unit): Foo<K> = Foo()
fun <K: N, N> Foo<K>.bar(x: Int = 1) {}
fun main() {
val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> {
val x = <!INFERRED_INTO_DECLARED_UPPER_BOUNDS!>buildFoo<!> {
bar()
}
}
compiler/testData/diagnostics/tests/inference/builderInference/kt51464.diag.txt
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@@ -0,0 +1,12 @@
/kt51464.kt:2:16: warning: parameter 'value' is never used
fun <T> flowOf(value: T): Flow<T> = TODO()
^
/kt51464.kt:8:30: warning: parameter 'transform' is never used
fun <T, R> Flow<T>.transform(transform: FlowCollector<R>.(T) -> Unit): Flow<R> = TODO()
^
/kt51464.kt:11:20: warning: parameter 'collector' is never used
fun <T> doEmit(collector: FlowCollector<T>) {}
^
/kt51464.kt:12:15: warning: type parameter for a type argument R can't be inferred into declared upper bounds. Please provide any use-site type information. It will become an error in future releases.
flowOf(1).transform { doEmit(this) }
^
compiler/testData/diagnostics/tests/inference/builderInference/kt51464.fir.kt
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@@ -1,5 +1,4 @@
import kotlinx.coroutines.flow.transform
// !RENDER_DIAGNOSTICS_FULL_TEXT
fun <T> flowOf(value: T): Flow<T> = TODO()
interface FlowCollector<in T> {}
compiler/testData/diagnostics/tests/inference/builderInference/kt51464.kt
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+2 -1
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@@ -1,3 +1,4 @@
// !RENDER_DIAGNOSTICS_FULL_TEXT
fun <T> flowOf(value: T): Flow<T> = TODO()
interface FlowCollector<in T> {}
@@ -8,5 +9,5 @@ fun <T, R> Flow<T>.transform(transform: FlowCollector<R>.(T) -> Unit): Flow<R> =
fun f() {
fun <T> doEmit(collector: FlowCollector<T>) {}
flowOf(1).<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>transform<!> { doEmit(this) }
flowOf(1).<!INFERRED_INTO_DECLARED_UPPER_BOUNDS!>transform<!> { doEmit(this) }
}