org.jetbrains.kotlin.incremental.ChangedJavaFilesProcessor.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
* limitations under the License.
*/
package org.jetbrains.kotlin.incremental
import com.intellij.psi.PsiClass
import com.intellij.psi.PsiFile
import com.intellij.psi.PsiJavaFile
import java.io.File
import java.util.*
internal class ChangedJavaFilesProcessor(
private val reporter: ICReporter,
private val psiFileFactory: (File) -> PsiFile?
) {
private val allSymbols = HashSet()
val allChangedSymbols: Collection
get() = allSymbols
fun process(filesDiff: ChangedFiles.Known): ChangesEither {
val modifiedJava = filesDiff.modified.filter(File::isJavaFile)
val removedJava = filesDiff.removed.filter(File::isJavaFile)
if (removedJava.any()) {
reporter.report { "Some java files are removed: [${removedJava.joinToString()}]" }
return ChangesEither.Unknown()
}
val symbols = HashSet()
for (javaFile in modifiedJava) {
assert(javaFile.extension.equals("java", ignoreCase = true))
val psiFile = psiFileFactory(javaFile)
if (psiFile !is PsiJavaFile) {
reporter.report { "Expected PsiJavaFile, got ${psiFile?.javaClass}" }
return ChangesEither.Unknown()
}
psiFile.classes.forEach { it.addLookupSymbols(symbols) }
}
allSymbols.addAll(symbols)
return ChangesEither.Known(lookupSymbols = symbols)
}
private fun PsiClass.addLookupSymbols(symbols: MutableSet) {
val fqn = qualifiedName.orEmpty()
symbols.add(LookupSymbol(name.orEmpty(), if (fqn == name) "" else fqn.removeSuffix("." + name!!)))
methods.forEach { symbols.add(LookupSymbol(it.name, fqn)) }
fields.forEach { symbols.add(LookupSymbol(it.name.orEmpty(), fqn)) }
innerClasses.forEach { it.addLookupSymbols(symbols) }
}
}