IJPL-162853 introduce a script for converting a message bundle to a kotlin class

GitOrigin-RevId: d00ed622cc312ca6f37ebc3ab043b4eed170a191

.idea/modules.xml

@@ -894,6 +894,7 @@
       <module fileurl="file://$PROJECT_DIR$/platform/syntax/syntax-i18n/intellij.platform.syntax.i18n.iml" filepath="$PROJECT_DIR$/platform/syntax/syntax-i18n/intellij.platform.syntax.i18n.iml" />
       <module fileurl="file://$PROJECT_DIR$/platform/syntax/syntax-multiplatformSupport/intellij.platform.syntax.multiplatformSupport.iml" filepath="$PROJECT_DIR$/platform/syntax/syntax-multiplatformSupport/intellij.platform.syntax.multiplatformSupport.iml" />
       <module fileurl="file://$PROJECT_DIR$/platform/syntax/syntax-psi/intellij.platform.syntax.psi.iml" filepath="$PROJECT_DIR$/platform/syntax/syntax-psi/intellij.platform.syntax.psi.iml" />
+      <module fileurl="file://$PROJECT_DIR$/platform/syntax/syntax-scripts/intellij.platform.syntax.scripts.iml" filepath="$PROJECT_DIR$/platform/syntax/syntax-scripts/intellij.platform.syntax.scripts.iml" />
       <module fileurl="file://$PROJECT_DIR$/platform/syntax/syntax-util/intellij.platform.syntax.util.iml" filepath="$PROJECT_DIR$/platform/syntax/syntax-util/intellij.platform.syntax.util.iml" />
       <module fileurl="file://$PROJECT_DIR$/platform/tasks-platform-api/intellij.platform.tasks.iml" filepath="$PROJECT_DIR$/platform/tasks-platform-api/intellij.platform.tasks.iml" />
       <module fileurl="file://$PROJECT_DIR$/platform/tasks-platform-impl/intellij.platform.tasks.impl.iml" filepath="$PROJECT_DIR$/platform/tasks-platform-impl/intellij.platform.tasks.impl.iml" />

platform/syntax/syntax-scripts/api-dump-experimental.txt

@@ -0,0 +1,3 @@
+*f:com.intellij.platform.syntax.scripts.GenerateBundleMappingKt
+- sf:generateMapping(java.lang.String,java.lang.String,java.lang.String):V
+- sf:main(java.lang.String[]):V

platform/syntax/syntax-scripts/intellij.platform.syntax.scripts.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="kotlin-stdlib" level="project" />
+    <orderEntry type="library" name="jetbrains-annotations" level="project" />
+  </component>
+</module>

platform/syntax/syntax-scripts/src/com/intellij/platform/syntax/scripts/generateBundleMapping.kt

@@ -0,0 +1,88 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+@file: ApiStatus.Experimental
+
+package com.intellij.platform.syntax.scripts
+
+import org.jetbrains.annotations.ApiStatus
+import java.io.OutputStreamWriter
+import java.nio.file.Path
+import java.util.*
+import kotlin.io.path.*
+import kotlin.system.exitProcess
+
+/**
+ * Generates a Kotlin class from your .properties file. This file is necessary for non-JVM targets where Java PropertyResourceBundles are not available.
+ */
+fun main(args: Array<String>) {
+  if (args.size != 3) {
+    println("""
+      |Please pass 3 arguments:
+      |  1. the path to .properties file
+      |  2. the path to the output file as arguments
+      |  3. the package name to use
+      |""".trimMargin())
+    exitProcess(-1)
+  }
+
+  generateMapping(args[0], args[1], args[2])
+}
+
+fun generateMapping(
+  properties: String,
+  output: String,
+  packageName: String,
+) {
+  val propertiesPath = Path(properties)
+  if (!propertiesPath.exists()) {
+    println(".properties file does not exist! Path: $propertiesPath")
+    exitProcess(-1)
+  }
+
+  val outputPath = Path(output)
+  if (!outputPath.exists()) {
+    outputPath.createFile()
+  }
+
+  val mappings = loadMappings(propertiesPath)
+
+  val fileName = outputPath.nameWithoutExtension
+  outputPath.writer().use { writer ->
+    writer.printClass(fileName, packageName, mappings, "$properties $output $packageName")
+  }
+}
+
+private fun OutputStreamWriter.printClass(
+  className: String,
+  packageName: String,
+  mappings: Map<String, String>,
+  parametersString: String,
+) {
+  appendLine("package $packageName")
+  appendLine()
+  appendLine("// Generated by generateBundleMapping.kt")
+  appendLine("// To regenerate the file, please run `GenerateBundleMapping` run configuration with the following parameters: ")
+  appendLine("//   $parametersString ")
+  appendLine("internal object $className {")
+  appendLine("  val mappings: Map<String, String> = mapOf(")
+  for ((key, value) in mappings.entries) {
+    val escapedValue = value
+      .replace("\\", "\\\\")
+      .replace("\n", "\\n")
+      .replace("\r", "\\r")
+      .replace("\t", "\\t")
+    appendLine("    \"$key\" to \"$escapedValue\",")
+  }
+  appendLine("  )")
+  appendLine('}')
+}
+
+private fun loadMappings(propertiesPath: Path): Map<String, String> {
+  val properties = Properties()
+  propertiesPath.inputStream().use { stream ->
+    properties.load(stream)
+  }
+
+  return properties.entries.associate { (key, value) ->
+    (key as String) to (value as String)
+  }
+}