org.jetbrains.kotlin.cli.jvm.javac.JavacLogger.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.cli.jvm.javac
import com.sun.tools.javac.util.Context
import com.sun.tools.javac.util.Log
import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
import org.jetbrains.kotlin.cli.common.messages.GroupingMessageCollector
import org.jetbrains.kotlin.cli.common.messages.MessageCollector
import java.io.PrintWriter
import java.io.Writer
class JavacLogger(
context: Context,
errorWriter: PrintWriter,
warningWriter: PrintWriter,
infoWriter: PrintWriter
) : Log(context, errorWriter, warningWriter, infoWriter) {
init {
context.put(Log.outKey, infoWriter)
}
override fun printLines(kind: WriterKind, message: String, vararg args: Any?) {}
companion object {
fun preRegister(context: Context, messageCollector: MessageCollector) {
context.put(Log.logKey, Context.Factory {
JavacLogger(it,
PrintWriter(MessageCollectorAdapter(messageCollector, CompilerMessageSeverity.ERROR)),
PrintWriter(MessageCollectorAdapter(messageCollector, CompilerMessageSeverity.WARNING)),
PrintWriter(MessageCollectorAdapter(messageCollector, CompilerMessageSeverity.INFO)))
})
}
}
}
private class MessageCollectorAdapter(
private val messageCollector: MessageCollector,
private val severity: CompilerMessageSeverity
) : Writer() {
override fun write(buffer: CharArray, offset: Int, length: Int) {
if (length == 1 && buffer[0] == '\n') return
messageCollector.report(severity, String(buffer, offset, length))
}
override fun flush() {
(messageCollector as? GroupingMessageCollector)?.flush()
}
override fun close() = flush()
}