org.jetbrains.kotlin.resolve.jvm.checkers.StrictfpApplicabilityChecker.kt Maven / Gradle / Ivy

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/*
 * 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.jvm.checkers

import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.psi.KtClassOrObject
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.DeclarationChecker
import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
import org.jetbrains.kotlin.resolve.annotations.findStrictfpAnnotation
import org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm

class StrictfpApplicabilityChecker : DeclarationChecker {
    override fun check(
            declaration: KtDeclaration,
            descriptor: DeclarationDescriptor,
            diagnosticHolder: DiagnosticSink,
            bindingContext: BindingContext
    ) {
        val annotation = descriptor.findStrictfpAnnotation() ?: return
        if (declaration is KtClassOrObject && descriptor is ClassDescriptor) {
            val annotationEntry = DescriptorToSourceUtils.getSourceFromAnnotation(annotation) ?: return
            diagnosticHolder.report(ErrorsJvm.STRICTFP_ON_CLASS.on(annotationEntry))
        }
    }
}