FIR: Report INFERENCE_NO_INFORMATION_FOR_PARAMETER diagnostic

2021-05-25 10:33:46 +03:00
parent 6e901e3785
commit c420957eac
34 changed files with 143 additions and 236 deletions
@@ -1,11 +0,0 @@
-fun <T: Any> fooT22() : T? {
-  return null
-}
-
-fun foo1() {
-    fooT22()
-}
-
-val n : Nothing = null.sure()
-
-fun <T : Any> T?.sure() : T = this!!
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 fun <T: Any> fooT22() : T? {
  return null
 }
@@ -1,14 +0,0 @@
-package noInformationForParameter
-//+JDK
-
-import java.util.*
-
-fun test() {
-    val n = newList()
-
-    val n1 : List<String> = newList()
-}
-
-fun <S> newList() : ArrayList<S> {
-    return ArrayList<S>()
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 package noInformationForParameter
 //+JDK

@@ -1,11 +0,0 @@
-// !DIAGNOSTICS: -UNREACHABLE_CODE
-//KT-2445 Calling method with function with generic parameter causes compile-time exception
-package a
-
-fun main() {
-    test {
-
-    }
-}
-
-fun <R> test(callback: (R) -> Unit):Unit = callback(null!!)
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNREACHABLE_CODE
 //KT-2445 Calling method with function with generic parameter causes compile-time exception
 package a
@@ -1,10 +0,0 @@
-//KT-832 Provide better diagnostics when type inference fails for an expression that returns a function
-package a
-
-fun <T> fooT2() : (t : T) -> T {
-    return {it}
-}
-
-fun test() {
-    fooT2()(1) // here 1 should not be marked with an error
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 //KT-832 Provide better diagnostics when type inference fails for an expression that returns a function
 package a

@@ -1,6 +0,0 @@
-// NI_EXPECTED_FILE
-val x get() = foo()
-val y get() = bar()
-
-fun <E> foo(): E = null!!
-fun <E> bar(): List<E> = null!!
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // NI_EXPECTED_FILE
 val x get() = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!>()
 val y get() = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>bar<!>()
@@ -1,32 +0,0 @@
-// KT-353 Generic type argument inference sometimes doesn't work
-
-interface A {
-    fun <T> gen() : T
-}
-
-fun foo(a: A) {
-    val g : () -> Unit = {
-        a.gen()  //it works: Unit is derived
-    }
-
-    val u: Unit = a.gen() // Unit should be inferred
-
-    if (true) {
-        a.gen() // Shouldn't work: no info for inference
-    }
-
-    val b : () -> Unit = {
-        if (true) {
-            a.gen()  // unit can be inferred
-        }
-        else {
-            Unit
-        }
-    }
-
-    val f : () -> Int = {
-        a.gen()  //type mismatch, but Int can be derived
-    }
-
-    a.gen() // Shouldn't work: no info for inference
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // KT-353 Generic type argument inference sometimes doesn't work

 interface A {
@@ -1,51 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
-// NI_EXPECTED_FILE
-
-@file:OptIn(ExperimentalTypeInference::class)
-
-import kotlin.experimental.ExperimentalTypeInference
-
-interface Base<K>
-
-interface Controller<T> : Base<T> {
-    suspend fun yield(t: T) {}
-}
-
-interface SpecificController<T> : Base<String> {
-    suspend fun yield(t: T) {}
-}
-
-fun <S> generate(@BuilderInference g: suspend Controller<S>.() -> Unit): S = TODO()
-fun <S> generateSpecific(@BuilderInference g: suspend SpecificController<S>.() -> Unit): S = TODO()
-
-fun Base<*>.starBase() {}
-fun Base<String>.stringBase() {}
-
-val test1 = generate {
-    starBase()
-    yield("foo")
-}
-
-val test2 = generate {
-    starBase()
-}
-
-val test3 = generate {
-    yield("bar")
-    stringBase()
-}
-
-val test4 = generateSpecific {
-    yield(42)
-    starBase()
-}
-
-val test5 = generateSpecific {
-    yield(42)
-    stringBase()
-}
-
-val test6 = generateSpecific {
-    stringBase()
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // NI_EXPECTED_FILE
@@ -1,23 +0,0 @@
-// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
-// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
-// NI_EXPECTED_FILE
-
-@file:OptIn(ExperimentalTypeInference::class)
-
-import kotlin.experimental.ExperimentalTypeInference
-
-class GenericController<T> {
-    suspend fun yield(t: T) {}
-}
-
-fun <S> generate(@BuilderInference g: suspend GenericController<S>.() -> Unit): List<S> = TODO()
-
-@BuilderInference
-suspend fun <S> GenericController<List<S>>.yieldGenerate(g: suspend GenericController<S>.() -> Unit): Unit = TODO()
-
-val test1 = generate {
-    // TODO: KT-15185
-    yieldGenerate {
-        yield(4)
-    }
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
 // NI_EXPECTED_FILE
@@ -1,12 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-// NI_EXPECTED_FILE
-
-class Controller<T : Number> {
-    suspend fun yield(t: T) {}
-}
-
-fun <S : Number> generate(g: suspend Controller<S>.() -> Unit): S = TODO()
-
-val test = generate {
-    yield(<!ARGUMENT_TYPE_MISMATCH!>"foo"<!>)
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // NI_EXPECTED_FILE

@@ -1,20 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_ANONYMOUS_PARAMETER -UNUSED_VARIABLE
-// NI_EXPECTED_FILE
-
-class GenericController<T> {
-    suspend fun yield(t: T) {}
-}
-
-fun <S> generate(g: suspend GenericController<S>.(S) -> Unit): S = TODO()
-
-val test1 = generate {
-    yield(<!ARGUMENT_TYPE_MISMATCH!>4<!>)
-}
-
-val test2 = generate<Int> {
-    yield(4)
-}
-
-val test3 = generate { bar: Int ->
-    yield(4)
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_ANONYMOUS_PARAMETER -UNUSED_VARIABLE
 // NI_EXPECTED_FILE

@@ -1,34 +0,0 @@
-// !LANGUAGE: +NewInference
-// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
-// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
-
-import kotlin.experimental.ExperimentalTypeInference
-
-fun test1() {
-    sequence {
-        val a: Array<Int> = arrayOf(1, 2, 3)
-        val b = arrayOf(1, 2, 3)
-    }
-}
-
-fun test2() = sequence { arrayOf(1, 2, 3) }
-
-
-class Foo<T>
-
-fun <T> f1(f: Foo<T>.() -> Unit) {}
-
-@OptIn(ExperimentalTypeInference::class)
-fun <T> f2(@BuilderInference f: Foo<T>.() -> Unit) {
-}
-
-fun test3() {
-    f1 {
-        val a: Array<Int> = arrayOf(1, 2, 3)
-    }
-
-    f2 {
-        val a: Array<Int> = arrayOf(1, 2, 3)
-    }
-}
-
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !LANGUAGE: +NewInference
 // !USE_EXPERIMENTAL: kotlin.RequiresOptIn
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE