Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright 2010-2015 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.compilerRunner
import com.intellij.openapi.util.io.FileUtil
import com.intellij.util.containers.Stack
import org.jetbrains.kotlin.cli.common.messages.CompilerMessageLocation
import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity.*
import org.jetbrains.kotlin.cli.common.messages.MessageCollector
import org.jetbrains.kotlin.cli.common.messages.MessageCollectorUtil.reportException
import org.jetbrains.kotlin.cli.common.messages.OutputMessageUtil
import org.xml.sax.Attributes
import org.xml.sax.InputSource
import org.xml.sax.SAXException
import org.xml.sax.helpers.DefaultHandler
import java.io.IOException
import java.io.Reader
import java.util.*
import javax.xml.parsers.SAXParserFactory
object CompilerOutputParser {
fun parseCompilerMessagesFromReader(messageCollector: MessageCollector, reader: Reader, collector: OutputItemsCollector) {
// Sometimes the compiler doesn't output valid XML.
// Example: error in command line arguments passed to the compiler.
// The compiler will print the usage and the SAX parser will break.
// In this case, we want to read everything from this stream and report it as an IDE error.
val stringBuilder = StringBuilder()
val wrappingReader = object : Reader() {
@Throws(IOException::class)
override fun read(cbuf: CharArray, off: Int, len: Int): Int {
val read = reader.read(cbuf, off, len)
stringBuilder.append(cbuf, off, len)
return read
}
@Throws(IOException::class)
override fun close() {
// Do nothing:
// If the SAX parser sees a syntax error, it throws an exception
// and calls close() on the reader.
// We prevent the reader from being closed here, and close it later,
// when all the text is read from it
}
}
try {
val factory = SAXParserFactory.newInstance()
val parser = factory.newSAXParser()
parser.parse(InputSource(wrappingReader), CompilerOutputSAXHandler(messageCollector, collector))
}
catch (e: Throwable) {
// Load all the text into the stringBuilder
try {
// This will not close the reader (see the wrapper above)
FileUtil.loadTextAndClose(wrappingReader)
}
catch (ioException: IOException) {
reportException(messageCollector, ioException)
}
val message = stringBuilder.toString()
reportException(messageCollector, IllegalStateException(message, e))
messageCollector.report(ERROR, message)
}
finally {
try {
reader.close()
}
catch (e: IOException) {
reportException(messageCollector, e)
}
}
}
private class CompilerOutputSAXHandler(private val messageCollector: MessageCollector, private val collector: OutputItemsCollector) : DefaultHandler() {
private val message = StringBuilder()
private val tags = Stack()
private var path: String? = null
private var line: Int = 0
private var column: Int = 0
@Throws(SAXException::class)
override fun startElement(uri: String, localName: String, qName: String, attributes: Attributes) {
tags.push(qName)
message.setLength(0)
path = attributes.getValue("path")
line = safeParseInt(attributes.getValue("line"), -1)
column = safeParseInt(attributes.getValue("column"), -1)
}
@Throws(SAXException::class)
override fun characters(ch: CharArray?, start: Int, length: Int) {
if (tags.size == 1) {
// We're directly inside the root tag:
val message = String(ch!!, start, length)
if (!message.trim { it <= ' ' }.isEmpty()) {
messageCollector.report(ERROR, "Unhandled compiler output: $message")
}
}
else {
message.append(ch, start, length)
}
}
@Throws(SAXException::class)
override fun endElement(uri: String?, localName: String, qName: String) {
if (tags.size == 1) {
// We're directly inside the root tag:
return
}
val qNameLowerCase = qName.lowercase()
var category: CompilerMessageSeverity? = CATEGORIES[qNameLowerCase]
if (category == null) {
messageCollector.report(ERROR, "Unknown compiler message tag: $qName")
category = INFO
}
val text = message.toString()
if (category == OUTPUT) {
reportToCollector(text)
}
else {
messageCollector.report(category, text, CompilerMessageLocation.create(path, line, column, null))
}
tags.pop()
}
private fun reportToCollector(text: String) {
val output = OutputMessageUtil.parseOutputMessage(text)
if (output != null) {
collector.add(output.sourceFiles, output.outputFile)
}
}
companion object {
private val CATEGORIES = mapOf(
"error" to ERROR,
"warning" to WARNING,
"logging" to LOGGING,
"output" to OUTPUT,
"exception" to EXCEPTION,
"info" to INFO,
"messages" to INFO)
private fun safeParseInt(value: String?, defaultValue: Int): Int {
if (value == null) {
return defaultValue
}
try {
return Integer.parseInt(value.trim { it <= ' ' })
}
catch (e: NumberFormatException) {
return defaultValue
}
}
}
}
}
