/*
* 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
* limitations under the License.
*/
package org.jetbrains.kotlin.resolve.checkers
import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.KtTypeParameter
import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
import org.jetbrains.kotlin.resolve.inline.InlineUtil
class ReifiedTypeParameterAnnotationChecker : DeclarationChecker {
override fun check(declaration: KtDeclaration, descriptor: DeclarationDescriptor, context: DeclarationCheckerContext) {
if (descriptor is CallableDescriptor &&
!(InlineUtil.isInline(descriptor) || InlineUtil.isPropertyWithAllAccessorsAreInline(descriptor))) {
checkTypeParameterDescriptorsAreNotReified(descriptor.typeParameters, context.trace)
}
if (descriptor is ClassDescriptor) {
checkTypeParameterDescriptorsAreNotReified(descriptor.declaredTypeParameters, context.trace)
}
}
private fun checkTypeParameterDescriptorsAreNotReified(
typeParameterDescriptors: List<TypeParameterDescriptor>,
diagnosticHolder: DiagnosticSink
) {
for (reifiedTypeParameterDescriptor in typeParameterDescriptors.filter { it.isReified }) {
val typeParameterDeclaration = DescriptorToSourceUtils.descriptorToDeclaration(reifiedTypeParameterDescriptor)
if (typeParameterDeclaration !is KtTypeParameter) throw AssertionError("JetTypeParameter expected")
diagnosticHolder.report(
Errors.REIFIED_TYPE_PARAMETER_NO_INLINE.on(
typeParameterDeclaration.modifierList!!.getModifier(KtTokens.REIFIED_KEYWORD)!!
)
)
}
}
}