org.jetbrains.kotlin.js.resolve.diagnostics.JsQualifierChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.js.resolve.diagnostics
import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
import org.jetbrains.kotlin.js.translate.utils.AnnotationsUtils
import org.jetbrains.kotlin.psi.KtAnnotationEntry
import org.jetbrains.kotlin.resolve.AdditionalAnnotationChecker
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.BindingTrace
object JsQualifierChecker : AdditionalAnnotationChecker {
override fun checkEntries(entries: List, actualTargets: List, trace: BindingTrace) {
val bindingContext = trace.bindingContext
for (entry in entries) {
val annotation = bindingContext[BindingContext.ANNOTATION, entry] ?: continue
if (annotation.fqName != AnnotationsUtils.JS_QUALIFIER_ANNOTATION) continue
val argument = annotation.allValueArguments.values.singleOrNull()?.value as? String ?: continue
if (!validateQualifier(argument)) {
val argumentPsi = entry.valueArgumentList!!.arguments[0]
trace.report(ErrorsJs.WRONG_JS_QUALIFIER.on(argumentPsi))
}
}
}
private fun validateQualifier(qualifier: String): Boolean {
val parts = qualifier.split('.')
if (parts.isEmpty()) return false
return parts.all { part ->
part.isNotEmpty() && part[0].isJavaIdentifierStart() && part.drop(1).all(Char::isJavaIdentifierPart)
}
}
}