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Rethink constraints incorporation

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Namely, remove incorporation “otherInsideMyConstraint” to eliminate
constraint system redundancy and produce a potentially very large number
 of constructs.
Instead, introduce not so “spreadable” incorporation during variable
fixation (equality constraint with result type into other constraints).
^KT-41644 Fixed
^KT-42195 Fixed
^KT-42920 Fixed
^KT-42791 Fixed
^KT-41741 Fixed
This commit is contained in:
Victor Petukhov
2020-11-19 12:39:57 +03:00
parent 616e40f879
commit 0857b9c9e7
24 changed files with 299 additions and 136 deletions
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compiler/testData/diagnostics/tests/inference/completion/postponedArgumentsAnalysis/basic.kt
Vendored
+4 -4
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@@ -119,8 +119,8 @@ fun main() {
* K <: (A) -> Unit -> TypeVariable(_RP1) >: A
* K >: (C) -> TypeVariable(_R) -> TypeVariable(_RP1) <: C
*/
val x12 = selectC(id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x: B -> }<!><!NO_VALUE_FOR_PARAMETER!>)<!>
val x13 = selectA(id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("A")!>it<!> }<!>, id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x: C -> }<!><!NO_VALUE_FOR_PARAMETER!>)<!>
val x12 = selectC(id <!TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x: B -> }<!><!NO_VALUE_FOR_PARAMETER!>)<!>
val x13 = selectA(id <!TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("A")!>it<!> }<!>, id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x: C -> }<!><!NO_VALUE_FOR_PARAMETER!>)<!>
val x14 = selectC(id { <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }, id { x: A -> }, { x -> x })
val x15 = selectC(id { <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }, { x: A -> }, id { x -> x })
/*
@@ -138,8 +138,8 @@ fun main() {
* K <: (C) -> Unit -> TypeVariable(_RP1) >: C
* K == (B) -> Unit -> TypeVariable(_RP1) == B
*/
val x17: (C) -> Unit = <!TYPE_MISMATCH, TYPE_MISMATCH!>selectB(id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("B")!>it<!> }<!>, id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ it }<!>, id<(B) -> Unit> { x -> x })<!>
val x18: (C) -> Unit = <!TYPE_MISMATCH!>select(id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, <!TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, id<(B) -> Unit> { x -> x })<!>
val x17: (C) -> Unit = <!TYPE_MISMATCH, TYPE_MISMATCH!>selectB(id <!TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("B")!>it<!> }<!>, id <!TYPE_MISMATCH, TYPE_MISMATCH!>{ it }<!>, id<(B) -> Unit> { x -> x })<!>
val x18: (C) -> Unit = <!TYPE_MISMATCH!>select(id <!TYPE_MISMATCH, TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, <!TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, id<(B) -> Unit> { x -> x })<!>
// Resolution of extension/non-extension functions combination
val x19: String.() -> Unit = select(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String.() -> kotlin.Unit")!>id { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String"), DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>this<!> }<!>, <!DEBUG_INFO_EXPRESSION_TYPE("(kotlin.String) -> kotlin.Unit")!>id(fun(x: String) {})<!>)