Refine diagnostics for nullability migration warnings

#KT-24911 Fixed
This commit is contained in:
Denis Zharkov
2018-07-13 17:51:11 +03:00
parent f85030b1e6
commit 89d99e3989
34 changed files with 140 additions and 113 deletions
@@ -45,8 +45,8 @@ class JavaNullabilityChecker : AdditionalTypeChecker {
c.expectedType,
{ c.dataFlowValueFactory.createDataFlowValue(expression, expressionType, c) } ,
c.dataFlowInfo
) { expectedMustNotBeNull, actualMayBeNull ->
c.trace.report(ErrorsJvm.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS.on(expression, expectedMustNotBeNull, actualMayBeNull))
) { expectedType, actualType ->
c.trace.report(ErrorsJvm.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS.on(expression, expectedType, actualType))
}
when (expression) {
@@ -121,12 +121,15 @@ class JavaNullabilityChecker : AdditionalTypeChecker {
receiverParameter.type,
{ dataFlowValue },
c.dataFlowInfo
) { expectedMustNotBeNull,
actualMayBeNull ->
val reportOn = (receiverArgument as? ExpressionReceiver)?.expression ?: (c.call.calleeExpression ?: c.call.callElement)
c.trace.report(ErrorsJvm.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS.on(
reportOn, expectedMustNotBeNull, actualMayBeNull
))
) { expectedType,
actualType ->
val receiverExpression = (receiverArgument as? ExpressionReceiver)?.expression
if (receiverExpression != null) {
c.trace.report(ErrorsJvm.RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS.on(receiverExpression, actualType))
} else {
val reportOn = c.call.calleeExpression ?: c.call.callElement
c.trace.report(ErrorsJvm.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS.on(reportOn, expectedType, actualType))
}
}
}
@@ -135,22 +138,21 @@ class JavaNullabilityChecker : AdditionalTypeChecker {
expectedType: KotlinType,
dataFlowValue: () -> DataFlowValue,
dataFlowInfo: DataFlowInfo,
reportWarning: (expectedMustNotBeNull: ErrorsJvm.NullabilityInformationSource, actualMayBeNull: ErrorsJvm.NullabilityInformationSource) -> Unit
reportWarning: (expectedType: KotlinType, actualType: KotlinType) -> Unit
) {
if (TypeUtils.noExpectedType(expectedType)) {
return
}
val expectedMustNotBeNull = expectedType.mustNotBeNull()
val actualMayBeNull = expressionType.mayBeNull()
if (expectedMustNotBeNull == ErrorsJvm.NullabilityInformationSource.KOTLIN && actualMayBeNull == ErrorsJvm.NullabilityInformationSource.KOTLIN) {
val expectedMustNotBeNull = expectedType.mustNotBeNull() ?: return
val actualMayBeNull = expressionType.mayBeNull() ?: return
if (expectedMustNotBeNull.isFromKotlin && actualMayBeNull.isFromKotlin) {
// a type mismatch error will be reported elsewhere
return
}
if (expectedMustNotBeNull != null && actualMayBeNull != null &&
dataFlowInfo.getStableNullability(dataFlowValue()) != Nullability.NOT_NULL) {
reportWarning(expectedMustNotBeNull, actualMayBeNull)
if (dataFlowInfo.getStableNullability(dataFlowValue()) != Nullability.NOT_NULL) {
reportWarning(expectedMustNotBeNull.enhancedType, actualMayBeNull.enhancedType)
}
}
@@ -159,23 +161,30 @@ class JavaNullabilityChecker : AdditionalTypeChecker {
dataFlowValue: () -> DataFlowValue,
c: ResolutionContext<*>,
body: () -> T
) = if (type.mustNotBeNull() == ErrorsJvm.NullabilityInformationSource.JAVA &&
) = if (type.mustNotBeNull()?.isFromJava == true &&
c.dataFlowInfo.getStableNullability(dataFlowValue()).canBeNull())
body()
else
null
private fun KotlinType.mustNotBeNull(): ErrorsJvm.NullabilityInformationSource? = when {
!isError && !isFlexible() && !TypeUtils.acceptsNullable(this) -> ErrorsJvm.NullabilityInformationSource.KOTLIN
isFlexible() && !TypeUtils.acceptsNullable(asFlexibleType().upperBound) -> ErrorsJvm.NullabilityInformationSource.KOTLIN
this is TypeWithEnhancement && enhancement.mustNotBeNull() != null -> ErrorsJvm.NullabilityInformationSource.JAVA
private class EnhancedNullabilityInfo(val enhancedType: KotlinType, val isFromJava: Boolean) {
val isFromKotlin get() = !isFromJava
}
private fun KotlinType.enhancementFromKotlin() = EnhancedNullabilityInfo(this, isFromJava = false)
private fun TypeWithEnhancement.enhancementFromJava() = EnhancedNullabilityInfo(enhancement, isFromJava = true)
private fun KotlinType.mustNotBeNull(): EnhancedNullabilityInfo? = when {
!isError && !isFlexible() && !TypeUtils.acceptsNullable(this) -> enhancementFromKotlin()
isFlexible() && !TypeUtils.acceptsNullable(asFlexibleType().upperBound) -> enhancementFromKotlin()
this is TypeWithEnhancement && enhancement.mustNotBeNull() != null -> enhancementFromJava()
else -> null
}
private fun KotlinType.mayBeNull(): ErrorsJvm.NullabilityInformationSource? = when {
!isError && !isFlexible() && TypeUtils.acceptsNullable(this) -> ErrorsJvm.NullabilityInformationSource.KOTLIN
isFlexible() && TypeUtils.acceptsNullable(asFlexibleType().lowerBound) -> ErrorsJvm.NullabilityInformationSource.KOTLIN
this is TypeWithEnhancement && enhancement.mayBeNull() != null -> ErrorsJvm.NullabilityInformationSource.JAVA
private fun KotlinType.mayBeNull(): EnhancedNullabilityInfo? = when {
!isError && !isFlexible() && TypeUtils.acceptsNullable(this) -> enhancementFromKotlin()
isFlexible() && TypeUtils.acceptsNullable(asFlexibleType().lowerBound) -> enhancementFromKotlin()
this is TypeWithEnhancement && enhancement.mayBeNull() != null -> enhancementFromJava()
else -> null
}
}
@@ -87,8 +87,10 @@ public class DefaultErrorMessagesJvm implements DefaultErrorMessages.Extension {
MAP.put(INTERFACE_CANT_CALL_DEFAULT_METHOD_VIA_SUPER, "Interfaces can call default methods via super only within @JvmDefault members. Please annotate the containing interface member with @JvmDefault");
MAP.put(SUBCLASS_CANT_CALL_COMPANION_PROTECTED_NON_STATIC, "Using non-JVM static members protected in the superclass companion is unsupported yet");
MAP.put(ErrorsJvm.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS,
"Expected type does not accept nulls in {0}, but the value may be null in {1}", Renderers.TO_STRING, Renderers.TO_STRING);
MAP.put(NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS, "Type mismatch: inferred type is {1} but {0} was expected", RENDER_TYPE, RENDER_TYPE);
MAP.put(RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS,
"Unsafe use of a nullable receiver of type {0}", RENDER_TYPE);
MAP.put(WHEN_ENUM_CAN_BE_NULL_IN_JAVA, "Enum argument can be null in Java, but exhaustive when contains no null branch");
MAP.put(JAVA_CLASS_ON_COMPANION,
@@ -17,7 +17,6 @@
package org.jetbrains.kotlin.resolve.jvm.diagnostics;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
import org.jetbrains.kotlin.diagnostics.*;
import org.jetbrains.kotlin.name.FqName;
@@ -125,26 +124,12 @@ public interface ErrorsJvm {
DiagnosticFactory0<KtAnnotationEntry> EXPLICIT_METADATA_IS_DISALLOWED = DiagnosticFactory0.create(ERROR);
enum NullabilityInformationSource {
KOTLIN {
@NotNull
@Override
public String toString() {
return "Kotlin";
}
},
JAVA {
@NotNull
@Override
public String toString() {
return "Java";
}
}
}
DiagnosticFactory2<KtElement, NullabilityInformationSource, NullabilityInformationSource> NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS
DiagnosticFactory2<KtElement, KotlinType, KotlinType> NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS
= DiagnosticFactory2.create(WARNING);
DiagnosticFactory1<KtElement, KotlinType> RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS
= DiagnosticFactory1.create(WARNING);
@SuppressWarnings("UnusedDeclaration")
Object _initializer = new Object() {
{
+6 -1
View File
@@ -5,4 +5,9 @@ public class Annotated {
public void bar(@MyMigrationNonnull String x) {
}
}
@MyNullable
public String nullable() {
return null;
}
}
+15
View File
@@ -0,0 +1,15 @@
import javax.annotation.*;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import javax.annotation.meta.TypeQualifierNickname;
import javax.annotation.meta.When;
@Documented
@TypeQualifierNickname
@Nonnull(when = When.MAYBE)
@Retention(RetentionPolicy.RUNTIME)
public @interface MyNullable {
}
+1 -1
View File
@@ -1,5 +1,5 @@
warning: argument -Xjsr305-annotations is deprecated. Please use -Xjsr305 instead
compiler/testData/cli/jvm/jsr305Usage.kt:2:11: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Usage.kt:2:11: warning: type mismatch: inferred type is Nothing? but String was expected
a.foo(null)
^
OK
+2 -1
View File
@@ -1,4 +1,5 @@
fun test(annotated: Annotated) {
annotated.foo(null)
annotated.bar(null)
}
annotated.nullable().length
}
+4 -1
View File
@@ -1,4 +1,7 @@
compiler/testData/cli/jvm/jsr305Migration.kt:2:19: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Migration.kt:2:19: warning: type mismatch: inferred type is Nothing? but String was expected
annotated.foo(null)
^
compiler/testData/cli/jvm/jsr305Migration.kt:4:5: warning: unsafe use of a nullable receiver of type String?
annotated.nullable().length
^
OK
+4 -1
View File
@@ -1,4 +1,7 @@
compiler/testData/cli/jvm/jsr305Migration.kt:2:19: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Migration.kt:2:19: warning: type mismatch: inferred type is Nothing? but String was expected
annotated.foo(null)
^
compiler/testData/cli/jvm/jsr305Migration.kt:4:5: warning: unsafe use of a nullable receiver of type String?
annotated.nullable().length
^
OK
+5 -2
View File
@@ -1,7 +1,10 @@
compiler/testData/cli/jvm/jsr305Migration.kt:2:19: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Migration.kt:2:19: warning: type mismatch: inferred type is Nothing? but String was expected
annotated.foo(null)
^
compiler/testData/cli/jvm/jsr305Migration.kt:3:19: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Migration.kt:3:19: warning: type mismatch: inferred type is Nothing? but String was expected
annotated.bar(null)
^
compiler/testData/cli/jvm/jsr305Migration.kt:4:5: warning: unsafe use of a nullable receiver of type String?
annotated.nullable().length
^
OK
+1 -1
View File
@@ -1,4 +1,4 @@
compiler/testData/cli/jvm/jsr305Usage.kt:2:11: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Usage.kt:2:11: warning: type mismatch: inferred type is Nothing? but String was expected
a.foo(null)
^
OK
+1 -1
View File
@@ -1,4 +1,4 @@
compiler/testData/cli/jvm/jsr305Usage.kt:2:11: warning: expected type does not accept nulls in Java, but the value may be null in Kotlin
compiler/testData/cli/jvm/jsr305Usage.kt:2:11: warning: type mismatch: inferred type is Nothing? but String was expected
a.foo(null)
^
OK
@@ -27,18 +27,18 @@ public class A<T> {
fun main(a: A<String>, a1: A<String?>) {
a.foo("", null)?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo("", null)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS(String?)!>a.foo("", null)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS(String; Nothing?)!>null<!>, "")<!>.length
a.bar().length
a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
a.field?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz("")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz("")<!>.length
a.baz("")?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>)<!>.length
a1.baz("")!!.length
a1.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>)!!.length
@@ -51,4 +51,3 @@ fun main(a: A<String>, a1: A<String?>) {
a.baz2(null)<!UNNECESSARY_SAFE_CALL!>?.<!>length
a.baz2(null)<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
}
@@ -18,15 +18,15 @@ fun test() {
var platformJ = J.staticJ
+platformNN
+<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
+<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
+platformJ
++platformNN
++<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
++<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
++platformJ
platformNN++
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>++
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>++
platformJ++
1 + platformNN
@@ -34,7 +34,7 @@ fun test() {
1 + platformJ
platformNN + 1
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!> + 1
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!> + 1
platformJ + 1
1 <!INFIX_MODIFIER_REQUIRED!>plus<!> platformNN
@@ -42,10 +42,10 @@ fun test() {
1 <!INFIX_MODIFIER_REQUIRED!>plus<!> platformJ
platformNN <!INFIX_MODIFIER_REQUIRED!>plus<!> 1
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!> <!INFIX_MODIFIER_REQUIRED!>plus<!> 1
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!> <!INFIX_MODIFIER_REQUIRED!>plus<!> 1
platformJ <!INFIX_MODIFIER_REQUIRED!>plus<!> 1
platformNN += 1
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!> += 1
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!> += 1
platformJ += 1
}
}
@@ -18,10 +18,10 @@ fun test() {
val platformJ = J.staticJ
platformNN[0]
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0]
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0]
platformJ[0]
platformNN[0] = 1
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0] = 1
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0] = 1
platformJ[0] = 1
}
@@ -39,6 +39,6 @@ fun test() {
platformJ || false
!platformNN
!<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
!<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
!platformJ
}
}
@@ -19,5 +19,5 @@ public class J {
// FILE: k.kt
var A by J.staticNN
var B by <!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS, NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>J.staticN<!>
var C by J.staticJ
var B by <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS, RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>J.staticN<!>
var C by J.staticJ
@@ -19,7 +19,7 @@ fun test() {
val platformJ = J.staticJ
platformNN.foo()
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>.foo()
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>.foo()
platformJ.foo()
with(platformNN) {
@@ -24,7 +24,7 @@ fun test() {
val platformJ = J.staticJ
platformNN.foo()
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>.foo()
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>.foo()
platformJ.foo()
with(platformNN) {
@@ -20,7 +20,6 @@ fun test() {
val platformJ = J.staticJ
for (x in platformNN) {}
for (x in <!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>) {}
for (x in <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>) {}
for (x in platformJ) {}
}
@@ -18,6 +18,6 @@ public class J {
fun test() {
J.staticNN()
J.<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>staticN<!>()
J.<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>staticN<!>()
J.staticJ()
}
}
@@ -15,9 +15,9 @@ public class J {
fun foo(collection: Collection<J>) {
val mapped = collection.map { it.method() }
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>mapped[0]<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>mapped[0]<!>.length
}
public fun <T, R> Iterable<T>.map(transform: (T) -> R): List<R> {
null!!
}
}
@@ -24,6 +24,6 @@ fun test() {
val platformJ = J.staticJ
val (a1, b1) = platformNN
val (a2, b2) = <!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS, NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
val (a2, b2) = <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS, RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>
val (a3, b3) = platformJ
}
}
@@ -18,11 +18,10 @@ fun test() {
val platformJ = J.staticJ
platformNN[0]
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0]
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0]
platformJ[0]
platformNN[0] = 1
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0] = 1
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>platformN<!>[0] = 1
platformJ[0] = 1
}
@@ -79,15 +79,15 @@ public class A {
fun main(a: A) {
a.foo("", null)?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo("", null)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo("", null)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz("", null)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz("", null)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
a.bar().length
a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
a.field?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
}
@@ -50,7 +50,7 @@ fun main(a: A) {
a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
a.field?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
a.field = null
a.nonNullField<!UNNECESSARY_SAFE_CALL!>?.<!>length
@@ -134,7 +134,7 @@ fun main(a: A, b: A.B, c: A.C) {
a.foo("", null).length
a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "").length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foobar(null, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foobar(null, "")<!>.length
a.foobar("", <!NULL_FOR_NONNULL_TYPE!>null<!>)?.length
a.bar().length
@@ -149,17 +149,17 @@ fun main(a: A, b: A.B, c: A.C) {
// b
b.foo("", <!NULL_FOR_NONNULL_TYPE!>null<!>)?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.foo("", <!NULL_FOR_NONNULL_TYPE!>null<!>)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.foo(null, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.foo("", <!NULL_FOR_NONNULL_TYPE!>null<!>)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.foo(null, "")<!>.length
b.foobar(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "").length
b.foobar("", null)<!UNNECESSARY_SAFE_CALL!>?.<!>length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.bar()<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.bar()<!>.length
b.bar()!!.length
b.field?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.field<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.field<!>.length
b.baz()<!UNSAFE_CALL!>.<!>get(0)
b.baz()!!.get(0).get(0)
@@ -170,14 +170,14 @@ fun main(a: A, b: A.B, c: A.C) {
c.foo("", null).length
c.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "").length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>c.foobar(null, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>c.foobar(null, "")<!>.length
c.foobar("", null)?.length
c.bar().length
c.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
c.field?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>c.field<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>c.field<!>.length
c.baz()<!UNSAFE_CALL!>.<!>get(0)
c.baz()!!.get(0).get(0)
@@ -69,7 +69,7 @@ public class A {
fun main(a: A) {
a.foo("", null)<!UNNECESSARY_SAFE_CALL!>?.<!>length
a.foo("", null).length
a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "").length
a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS(String; Nothing?)!>null<!>, "").length
a.bar().length
a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
@@ -77,7 +77,7 @@ fun main(a: A) {
a.field?.length
a.field.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz()<!>.get(0)
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS(MutableList<String!>?)!>a.baz()<!>.get(0)
a.baz()!!.get(0).get(0)
a.baz()!!.get(0)?.get(0)
}
@@ -83,7 +83,7 @@ fun main(a: test.A) {
a.field?.length
a.field.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz()<!>.get(0)
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz()<!>.get(0)
a.baz()!!.get(0).get(0)
a.baz()!!.get(0)?.get(0)
}
@@ -64,14 +64,14 @@ fun main(a: A) {
a.field<!UNSAFE_CALL!>.<!>length
a.foo2("", null)?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2("", null)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2(null, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2("", null)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2(null, "")<!>.length
a.bar2().length
a.bar2()!!.length
a.field2?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field2<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field2<!>.length
a.field3?.length
a.field3<!UNSAFE_CALL!>.<!>length
@@ -46,12 +46,12 @@ fun main(a: A) {
a.field.length
a.foo2("", null)?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2("", null)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2(<!NULL_FOR_NONNULL_TYPE!>null<!>, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2("", null)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo2(<!NULL_FOR_NONNULL_TYPE!>null<!>, "")<!>.length
a.bar2().length
a.bar2()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
a.field2?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field2<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field2<!>.length
}
@@ -66,7 +66,7 @@ fun main(b: B, c: C) {
b.foo2()?.length
b.foo3()<!UNSAFE_CALL!>.<!>length
b.foo3()?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.foo4()<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>b.foo4()<!>.length
b.foo4()?.length
b.bar(<!NULL_FOR_NONNULL_TYPE!>null<!>)
@@ -82,4 +82,4 @@ fun main(b: B, c: C) {
c.foo4()?.length
c.bar4(<!NULL_FOR_NONNULL_TYPE!>null<!>)
c.bar4("")
}
}
@@ -36,14 +36,14 @@ public class A {
fun main(a: A) {
a.foo("", null)?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo("", null)<!>.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo("", null)<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
a.bar().length
a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
a.field?.length
<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
<!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
a.foo2("", null)?.length
a.foo2("", null).length
@@ -34,6 +34,7 @@ import static org.jetbrains.kotlin.idea.highlighter.HtmlTabledDescriptorRenderer
import static org.jetbrains.kotlin.idea.highlighter.IdeRenderers.*;
import static org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm.ACCIDENTAL_OVERRIDE;
import static org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm.CONFLICTING_JVM_DECLARATIONS;
import static org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS;
/**
@@ -63,6 +64,9 @@ public class IdeErrorMessages {
MAP.put(TYPE_MISMATCH, "<html>Type mismatch.<table><tr><td>Required:</td><td>{0}</td></tr><tr><td>Found:</td><td>{1}</td></tr></table></html>",
HTML_RENDER_TYPE, HTML_RENDER_TYPE);
MAP.put(NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS, "<html>Type mismatch.<table><tr><td>Required:</td><td>{0}</td></tr><tr><td>Found:</td><td>{1}</td></tr></table></html>",
HTML_RENDER_TYPE, HTML_RENDER_TYPE);
MAP.put(TYPE_MISMATCH_DUE_TO_TYPE_PROJECTIONS,
"<html>Type mismatch.<table><tr><td>Required:</td><td>{0}</td></tr><tr><td>Found:</td><td>{1}</td></tr></table><br />\n" +
"Projected type {2} restricts use of <br />\n{3}\n</html>",