[ide-console][cli-repl] Add more icons for readLine commands

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/repl/ReplFromTerminal.java

@@ -54,10 +54,16 @@ public class ReplFromTerminal {
         String replIdeMode = System.getProperty("repl.ideMode");
         ideMode = replIdeMode != null && replIdeMode.equals("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
+        replWriter = new ReplSystemOutWrapper(ideMode, System.out);
+        System.setOut(replWriter);
+
         // wrapper for `in` is required to give user possibility of calling
         // [readLine] from ide-console repl
         if (ideMode) {
-            replReader = new ReplSystemInWrapper(System.in);
+            replReader = new ReplSystemInWrapper(System.in, replWriter);
             System.setIn(replReader);
         }
 
@@ -76,12 +82,6 @@ public class ReplFromTerminal {
             }
         }.start();
 
-        // 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
-        replWriter = new ReplSystemOutWrapper(ideMode, System.out);
-        System.setOut(replWriter);
-
         try {
             OutputStream outStream = System.out;
             if (ideMode) {

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/repl/messages/ReplSystemInWrapper.kt

@@ -19,7 +19,10 @@ package org.jetbrains.kotlin.cli.jvm.repl.messages
 import java.io.ByteArrayOutputStream
 import java.io.InputStream
 
-public class ReplSystemInWrapper(private val stdin: InputStream) : InputStream() {
+public class ReplSystemInWrapper(
+        private val stdin: InputStream,
+        private val replWriter: ReplSystemOutWrapper
+) : InputStream() {
     private var isXmlIncomplete = true
     private var isLastScriptByteProcessed = false
     private var byteBuilder = ByteArrayOutputStream()
@@ -30,6 +33,14 @@ public class ReplSystemInWrapper(private val stdin: InputStream) : InputStream()
         get() = curBytePos == inputByteArray.size()
 
     var isReplScriptExecuting = false
+        set(value) {
+            if (value)
+                replWriter.printlnReadLineStart()
+            else
+                replWriter.printlnReadLineEnd()
+
+            $isReplScriptExecuting = value
+        }
 
     override synchronized fun read(): Int {
         if (isLastScriptByteProcessed && isReplScriptExecuting) {

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/repl/messages/ReplSystemOutWrapper.kt

@@ -29,6 +29,8 @@ public class ReplSystemOutWrapper(private val ideMode: Boolean, standardOut: Pri
         HELP_PROMPT,
         USER_OUTPUT,
         REPL_RESULT,
+        READLINE_START,
+        READLINE_END,
         REPL_INCOMPLETE,
         COMPILE_ERROR,
         RUNTIME_ERROR,
@@ -61,6 +63,8 @@ public class ReplSystemOutWrapper(private val ideMode: Boolean, standardOut: Pri
     fun printlnInit(x: String) = printlnWithEscaping(x, EscapeType.INITIAL_PROMPT)
     fun printlnHelp(x: String) = printlnWithEscaping(x, EscapeType.HELP_PROMPT)
     fun printlnResult(x: Any?) = printlnWithEscaping(x.toString(), EscapeType.REPL_RESULT)
+    fun printlnReadLineStart() = printlnWithEscaping("", EscapeType.READLINE_START)
+    fun printlnReadLineEnd() = printlnWithEscaping("", EscapeType.READLINE_END)
     fun printlnIncomplete() = printlnWithEscaping("", EscapeType.REPL_INCOMPLETE)
     fun printlnCompileError(x: String) = printlnWithEscaping(x, EscapeType.COMPILE_ERROR)
     fun printlnRuntimeError(x: String) = printlnWithEscaping(x, EscapeType.RUNTIME_ERROR)