org.jetbrains.kotlin.resolve.jvm.platform.JavaGenericVarianceViolationTypeChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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package org.jetbrains.kotlin.resolve.jvm.platform
import org.jetbrains.kotlin.load.java.lazy.types.RawTypeImpl
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.resolve.calls.checkers.AdditionalTypeChecker
import org.jetbrains.kotlin.resolve.calls.context.ResolutionContext
import org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm
import org.jetbrains.kotlin.types.*
import org.jetbrains.kotlin.types.checker.KotlinTypeChecker
import org.jetbrains.kotlin.types.checker.TypeCheckingProcedure
object JavaGenericVarianceViolationTypeChecker : AdditionalTypeChecker {
// Prohibits covariant type argument conversions `List -> (MutableList..List)` when expected type's lower bound is invariant.
// It's needed to prevent accident unsafe covariant conversions of mutable collections.
//
// Example:
// class JavaClass { static void fillWithDefaultObjects(List