J2K ReplFromTerminal, convert code

This commit is contained in:
Pavel V. Talanov
2016-05-27 19:21:58 +03:00
parent 7c2825b397
commit 35c56431b3
@@ -1,5 +1,5 @@
/*
* Copyright 2010-2015 JetBrains s.r.o.
* 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.
@@ -14,237 +14,235 @@
* limitations under the License.
*/
package org.jetbrains.kotlin.cli.jvm.repl;
package org.jetbrains.kotlin.cli.jvm.repl
import com.intellij.openapi.Disposable;
import com.intellij.openapi.util.io.FileUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.cli.common.KotlinVersion;
import org.jetbrains.kotlin.cli.jvm.repl.messages.*;
import org.jetbrains.kotlin.cli.jvm.repl.reader.ConsoleReplCommandReader;
import org.jetbrains.kotlin.cli.jvm.repl.reader.IdeReplCommandReader;
import org.jetbrains.kotlin.cli.jvm.repl.reader.ReplCommandReader;
import org.jetbrains.kotlin.config.CompilerConfiguration;
import org.jetbrains.kotlin.utils.ExceptionUtilsKt;
import com.intellij.openapi.Disposable
import com.intellij.openapi.util.io.FileUtil
import org.jetbrains.kotlin.cli.common.KotlinVersion
import org.jetbrains.kotlin.cli.jvm.repl.messages.*
import org.jetbrains.kotlin.cli.jvm.repl.reader.ConsoleReplCommandReader
import org.jetbrains.kotlin.cli.jvm.repl.reader.IdeReplCommandReader
import org.jetbrains.kotlin.cli.jvm.repl.reader.ReplCommandReader
import org.jetbrains.kotlin.config.CompilerConfiguration
import org.jetbrains.kotlin.utils.*
import java.io.File;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
import java.io.File
import java.io.PrintWriter
import java.util.Arrays
public class ReplFromTerminal {
class ReplFromTerminal(
disposable: Disposable,
compilerConfiguration: CompilerConfiguration
) {
private ReplInterpreter replInterpreter;
private Throwable replInitializationFailed;
private final Object waitRepl = new Object();
private var replInterpreter: ReplInterpreter? = null
private var replInitializationFailed: Throwable? = null
private val waitRepl = Object()
private final boolean ideMode;
private ReplSystemInWrapper replReader;
private final ReplWriter replWriter;
private final ReplErrorLogger replErrorLogger;
private val ideMode: Boolean
private var replReader: ReplSystemInWrapper? = null
private val replWriter: ReplWriter
private val replErrorLogger: ReplErrorLogger
private ReplCommandReader commandReader;
private var commandReader: ReplCommandReader? = null
public ReplFromTerminal(
@NotNull final Disposable disposable,
@NotNull final CompilerConfiguration compilerConfiguration
) {
String replIdeMode = System.getProperty("kotlin.repl.ideMode");
ideMode = replIdeMode != null && replIdeMode.equals("true");
init {
val replIdeMode = System.getProperty("kotlin.repl.ideMode")
ideMode = replIdeMode != null && replIdeMode == "true"
// wrapper for `out` is required to escape every input in [ideMode];
// if [ideMode == false] then just redirects all input to [System.out]
// if user calls [System.setOut(...)] then undefined behaviour
if (ideMode) {
ReplSystemOutWrapperForIde soutWrapper = new ReplSystemOutWrapperForIde(System.out);
replWriter = soutWrapper;
System.setOut(soutWrapper);
val soutWrapper = ReplSystemOutWrapperForIde(System.out)
replWriter = soutWrapper
System.setOut(soutWrapper)
}
else {
replWriter = new ReplConsoleWriter();
replWriter = ReplConsoleWriter()
}
// wrapper for `in` is required to give user possibility of calling
// [readLine] from ide-console repl
if (ideMode) {
replReader = new ReplSystemInWrapper(System.in, replWriter);
System.setIn(replReader);
replReader = ReplSystemInWrapper(System.`in`, replWriter)
System.setIn(replReader!!)
}
replErrorLogger = new ReplErrorLogger(ideMode, replWriter);
replErrorLogger = ReplErrorLogger(ideMode, replWriter)
new Thread("initialize-repl") {
@Override
public void run() {
object : Thread("initialize-repl") {
override fun run() {
try {
replInterpreter = new ReplInterpreter(disposable, compilerConfiguration, ideMode, replReader);
replInterpreter = ReplInterpreter(disposable, compilerConfiguration, ideMode, replReader)
}
catch (Throwable e) {
replInitializationFailed = e;
catch (e: Throwable) {
replInitializationFailed = e
}
synchronized (waitRepl) {
waitRepl.notifyAll();
waitRepl.notifyAll()
}
}
}.start();
}.start()
try {
commandReader = createCommandReader();
commandReader = createCommandReader()
}
catch (Exception e) {
replErrorLogger.logException(e);
catch (e: Exception) {
replErrorLogger.logException(e)
}
}
@NotNull
private ReplCommandReader createCommandReader() {
return ideMode ? new IdeReplCommandReader()
: new ConsoleReplCommandReader();
private fun createCommandReader(): ReplCommandReader {
return if (ideMode)
IdeReplCommandReader()
else
ConsoleReplCommandReader()
}
private ReplInterpreter getReplInterpreter() {
private fun getReplInterpreter(): ReplInterpreter {
if (replInterpreter != null) {
return replInterpreter;
return replInterpreter!!
}
synchronized (waitRepl) {
while (replInterpreter == null && replInitializationFailed == null) {
try {
waitRepl.wait();
waitRepl.wait()
}
catch (Throwable e) {
throw ExceptionUtilsKt.rethrow(e);
catch (e: Throwable) {
throw rethrow(e)
}
}
if (replInterpreter != null) {
return replInterpreter;
return replInterpreter!!
}
throw ExceptionUtilsKt.rethrow(replInitializationFailed);
throw rethrow(replInitializationFailed!!)
}
}
private void doRun() {
private fun doRun() {
try {
replWriter.printlnWelcomeMessage("Welcome to Kotlin version " + KotlinVersion.VERSION +
" (JRE " + System.getProperty("java.runtime.version") + ")");
replWriter.printlnWelcomeMessage("Type :help for help, :quit for quit");
WhatNextAfterOneLine next = WhatNextAfterOneLine.READ_LINE;
replWriter.printlnWelcomeMessage("Welcome to Kotlin version ${KotlinVersion.VERSION} " +
"(JRE ${System.getProperty("java.runtime.version")})")
replWriter.printlnWelcomeMessage("Type :help for help, :quit for quit")
var next = WhatNextAfterOneLine.READ_LINE
while (true) {
next = one(next);
next = one(next)
if (next == WhatNextAfterOneLine.QUIT) {
break;
break
}
}
}
catch (Exception e) {
replErrorLogger.logException(e);
catch (e: Exception) {
replErrorLogger.logException(e)
}
finally {
try {
commandReader.flushHistory();
commandReader!!.flushHistory()
}
catch (Exception e) {
replErrorLogger.logException(e);
catch (e: Exception) {
replErrorLogger.logException(e)
}
}
}
public enum WhatNextAfterOneLine {
enum class WhatNextAfterOneLine {
READ_LINE,
INCOMPLETE,
QUIT,
QUIT
}
@NotNull
private WhatNextAfterOneLine one(@NotNull WhatNextAfterOneLine next) {
private fun one(next: WhatNextAfterOneLine): WhatNextAfterOneLine {
try {
String line = commandReader.readLine(next);
var line = commandReader!!.readLine(next) ?: return WhatNextAfterOneLine.QUIT
if (line == null) {
return WhatNextAfterOneLine.QUIT;
line = unescapeLineBreaks(line)
if (line.startsWith(":") && (line.length == 1 || line.get(1) != ':')) {
val notQuit = oneCommand(line.substring(1))
return if (notQuit) WhatNextAfterOneLine.READ_LINE else WhatNextAfterOneLine.QUIT
}
line = UnescapeUtilsKt.unescapeLineBreaks(line);
if (line.startsWith(":") && (line.length() == 1 || line.charAt(1) != ':')) {
boolean notQuit = oneCommand(line.substring(1));
return notQuit ? WhatNextAfterOneLine.READ_LINE : WhatNextAfterOneLine.QUIT;
}
ReplInterpreter.LineResultType lineResultType = eval(line);
if (lineResultType == ReplInterpreter.LineResultType.INCOMPLETE) {
return WhatNextAfterOneLine.INCOMPLETE;
val lineResultType = eval(line)
if (lineResultType === ReplInterpreter.LineResultType.INCOMPLETE) {
return WhatNextAfterOneLine.INCOMPLETE
}
else {
return WhatNextAfterOneLine.READ_LINE;
return WhatNextAfterOneLine.READ_LINE
}
}
catch (Exception e) {
throw ExceptionUtilsKt.rethrow(e);
catch (e: Exception) {
throw rethrow(e)
}
}
@NotNull
private ReplInterpreter.LineResultType eval(@NotNull String line) {
ReplInterpreter.LineResult lineResult = getReplInterpreter().eval(line);
if (lineResult.getType() == ReplInterpreter.LineResultType.SUCCESS) {
replWriter.notifyCommandSuccess();
if (!lineResult.isUnit()) {
replWriter.outputCommandResult(lineResult.getValue());
private fun eval(line: String): ReplInterpreter.LineResultType {
val lineResult = getReplInterpreter().eval(line)
if (lineResult.type === ReplInterpreter.LineResultType.SUCCESS) {
replWriter.notifyCommandSuccess()
if (!lineResult.isUnit) {
replWriter.outputCommandResult(lineResult.value)
}
}
else if (lineResult.getType() == ReplInterpreter.LineResultType.INCOMPLETE) {
replWriter.notifyIncomplete();
else if (lineResult.type === ReplInterpreter.LineResultType.INCOMPLETE) {
replWriter.notifyIncomplete()
}
else if (lineResult.getType() == ReplInterpreter.LineResultType.COMPILE_ERROR) {
replWriter.outputCompileError(lineResult.getErrorText());
else if (lineResult.type === ReplInterpreter.LineResultType.COMPILE_ERROR) {
replWriter.outputCompileError(lineResult.errorText!!)
}
else if (lineResult.getType() == ReplInterpreter.LineResultType.RUNTIME_ERROR) {
replWriter.outputRuntimeError(lineResult.getErrorText());
else if (lineResult.type === ReplInterpreter.LineResultType.RUNTIME_ERROR) {
replWriter.outputRuntimeError(lineResult.errorText!!)
}
else {
throw new IllegalStateException("unknown line result type: " + lineResult);
throw IllegalStateException("unknown line result type: " + lineResult)
}
return lineResult.getType();
return lineResult.type
}
private boolean oneCommand(@NotNull String command) throws Exception {
List<String> split = splitCommand(command);
if (split.size() >= 1 && command.equals("help")) {
@Throws(Exception::class)
private fun oneCommand(command: String): Boolean {
val split = splitCommand(command)
if (split.size >= 1 && command == "help") {
replWriter.printlnHelpMessage("Available commands:\n" +
":help show this help\n" +
":quit exit the interpreter\n" +
":dump bytecode dump classes to terminal\n" +
":load <file> load script from specified file"
);
return true;
":load <file> load script from specified file")
return true
}
else if (split.size() >= 2 && split.get(0).equals("dump") && split.get(1).equals("bytecode")) {
getReplInterpreter().dumpClasses(new PrintWriter(System.out));
return true;
else if (split.size >= 2 && split[0] == "dump" && split[1] == "bytecode") {
getReplInterpreter().dumpClasses(PrintWriter(System.out))
return true
}
else if (split.size() >= 1 && split.get(0).equals("quit")) {
return false;
else if (split.size >= 1 && split[0] == "quit") {
return false
}
else if (split.size() >= 2 && split.get(0).equals("load")) {
String fileName = split.get(1);
String scriptText = FileUtil.loadFile(new File(fileName));
eval(scriptText);
return true;
else if (split.size >= 2 && split[0] == "load") {
val fileName = split[1]
val scriptText = FileUtil.loadFile(File(fileName))
eval(scriptText)
return true
}
else {
replWriter.printlnHelpMessage("Unknown command\n" +
"Type :help for help"
);
return true;
replWriter.printlnHelpMessage("Unknown command\n" + "Type :help for help")
return true
}
}
private static List<String> splitCommand(@NotNull String command) {
return Arrays.asList(command.split(" "));
}
companion object {
public static void run(@NotNull Disposable disposable, @NotNull CompilerConfiguration configuration) {
new ReplFromTerminal(disposable, configuration).doRun();
private fun splitCommand(command: String): List<String> {
return Arrays.asList(*command.split(" ".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray())
}
fun run(disposable: Disposable, configuration: CompilerConfiguration) {
ReplFromTerminal(disposable, configuration).doRun()
}
}
}