Rename -jdk compiler option to -jdk-home (jdkHome), add jdk path validation.

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JVMCompilerArguments.java

@@ -31,9 +31,9 @@ public class K2JVMCompilerArguments extends CommonCompilerArguments {
     @Argument(value = "include-runtime", description = "Include Kotlin runtime in to resulting .jar")
     public boolean includeRuntime;
 
-    @Argument(value = "jdk", description = "Path to JDK home to include into classpath, if differs from default %JAVA_HOME%")
+    @Argument(value = "jdk-home", description = "Path to JDK home directory to include into classpath, if differs from default JAVA_HOME")
     @ValueDescription("<path>")
-    public String jdk;
+    public String jdkHome;
 
     @Argument(value = "no-jdk", description = "Don't include Java runtime into classpath")
     public boolean noJdk;

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/K2JVMCompiler.kt

@@ -60,26 +60,8 @@ class K2JVMCompiler : CLICompiler<K2JVMCompilerArguments>() {
         messageCollector.report(CompilerMessageSeverity.LOGGING, "Using Kotlin home directory " + paths.homePath, CompilerMessageLocation.NO_LOCATION)
         PerformanceCounter.setTimeCounterEnabled(arguments.reportPerf)
 
-        try {
-            if (!arguments.noJdk) {
-                if (arguments.jdk != null) {
-                    configuration.addJvmClasspathRoots(PathUtil.getJdkClassesRoots(File(arguments.jdk)))
-                }
-                else {
-                    configuration.addJvmClasspathRoots(PathUtil.getJdkClassesRoots())
-                }
-            }
-            else {
-                if (arguments.jdk != null) {
-                    messageCollector.report(CompilerMessageSeverity.WARNING,
-                                            "The '-jdk' option with a path to JDK is ignored because '-no-jdk' is specified",
-                                            CompilerMessageLocation.NO_LOCATION)
-                }
-            }
-        }
-        catch (t: Throwable) {
-            MessageCollectorUtil.reportException(messageCollector, t)
-            return INTERNAL_ERROR
+        setupJdkClasspathRoots(arguments, configuration, messageCollector).let {
+            if (it != OK) return it
         }
 
         try {
@@ -325,6 +307,41 @@ class K2JVMCompiler : CLICompiler<K2JVMCompilerArguments>() {
             }
             return classpath
         }
+
+        private fun setupJdkClasspathRoots(arguments: K2JVMCompilerArguments, configuration: CompilerConfiguration, messageCollector: MessageCollector): ExitCode {
+            try {
+                if (!arguments.noJdk) {
+                    if (arguments.jdkHome != null) {
+                        messageCollector.report(CompilerMessageSeverity.LOGGING,
+                                                "Using JDK home directory ${arguments.jdkHome}",
+                                                CompilerMessageLocation.NO_LOCATION)
+                        val classesRoots = PathUtil.getJdkClassesRoots(File(arguments.jdkHome))
+                        if (classesRoots.isEmpty()) {
+                            messageCollector.report(CompilerMessageSeverity.ERROR,
+                                                    "No class roots are found in the JDK path: ${arguments.jdkHome}",
+                                                    CompilerMessageLocation.NO_LOCATION)
+                            return COMPILATION_ERROR
+                        }
+                        configuration.addJvmClasspathRoots(classesRoots)
+                    }
+                    else {
+                        configuration.addJvmClasspathRoots(PathUtil.getJdkClassesRoots())
+                    }
+                }
+                else {
+                    if (arguments.jdkHome != null) {
+                        messageCollector.report(CompilerMessageSeverity.WARNING,
+                                                "The '-jdk-home' option is ignored because '-no-jdk' is specified",
+                                                CompilerMessageLocation.NO_LOCATION)
+                    }
+                }
+            }
+            catch (t: Throwable) {
+                MessageCollectorUtil.reportException(messageCollector, t)
+                return INTERNAL_ERROR
+            }
+            return OK
+        }
     }
 }
 

compiler/testData/cli/jvm/help.out

@@ -3,7 +3,7 @@ where possible options include:
   -d <directory|jar>         Destination for generated class files
   -classpath (-cp) <path>    Paths where to find user class files
   -include-runtime           Include Kotlin runtime in to resulting .jar
-  -jdk <path>                Path to JDK home to include into classpath, if differs from default %JAVA_HOME%
+  -jdk-home <path>           Path to JDK home directory to include into classpath, if differs from default JAVA_HOME
   -no-jdk                    Don't include Java runtime into classpath
   -no-stdlib                 Don't include Kotlin runtime into classpath
   -module <path>             Path to the module file to compile

compiler/testData/cli/jvm/warningJdkWithNoJdk.args

@@ -1,6 +1,6 @@
 $TESTDATA_DIR$/simple.kt
 -d
 $TEMP_DIR$
--jdk
+-jdk-home
 $TESTDATA_DIR$
 -no-jdk

compiler/testData/cli/jvm/warningJdkWithNoJdk.out

@@ -1,2 +1,2 @@
-warning: the '-jdk' option with a path to JDK is ignored because '-no-jdk' is specified
+warning: the '-jdk-home' option is ignored because '-no-jdk' is specified
 OK

compiler/testData/cli/jvm/wrongArgument.out

@@ -4,7 +4,7 @@ where possible options include:
   -d <directory|jar>         Destination for generated class files
   -classpath (-cp) <path>    Paths where to find user class files
   -include-runtime           Include Kotlin runtime in to resulting .jar
-  -jdk <path>                Path to JDK home to include into classpath, if differs from default %JAVA_HOME%
+  -jdk-home <path>           Path to JDK home directory to include into classpath, if differs from default JAVA_HOME
   -no-jdk                    Don't include Java runtime into classpath
   -no-stdlib                 Don't include Kotlin runtime into classpath
   -module <path>             Path to the module file to compile

compiler/testData/cli/jvm/wrongJdkPath.args

@@ -0,0 +1,5 @@
+$TESTDATA_DIR$/simple.kt
+-d
+$TEMP_DIR$
+-jdk-home
+$TESTDATA_DIR$

compiler/testData/cli/jvm/wrongJdkPath.out

@@ -0,0 +1,2 @@
+error: no class roots are found in the JDK path: compiler/testData/cli/jvm
+COMPILATION_ERROR

compiler/tests/org/jetbrains/kotlin/cli/CliTestGenerated.java

@@ -295,6 +295,12 @@ public class CliTestGenerated extends AbstractCliTest {
             doJvmTest(fileName);
         }
 
+        @TestMetadata("wrongJdkPath.args")
+        public void testWrongJdkPath() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/cli/jvm/wrongJdkPath.args");
+            doJvmTest(fileName);
+        }
+
         @TestMetadata("wrongJvmTargetVersion.args")
         public void testWrongJvmTargetVersion() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/cli/jvm/wrongJvmTargetVersion.args");

libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt

@@ -195,7 +195,7 @@ open class KotlinCompile() : AbstractKotlinCompile<K2JVMCompilerArguments>() {
         logger.kotlinDebug("args.pluginOptions = ${args.pluginOptions.joinToString(File.pathSeparator)}")
 
         args.noStdlib = true
-        args.jdk = kotlinOptions.jdk
+        args.jdkHome = kotlinOptions.jdkHome
         args.noJdk = kotlinOptions.noJdk
         args.noInline = kotlinOptions.noInline
         args.noOptimize = kotlinOptions.noOptimize

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/customJdk/build.gradle

@@ -32,7 +32,7 @@ dependencies {
 }
 
 compileKotlin {
-    kotlinOptions.jdk = System.getenv("JDK_17")
+    kotlinOptions.jdkHome = System.getenv("JDK_17")
 }
 
 task wrapper(type: Wrapper) {

libraries/tools/kotlin-maven-plugin-test/src/it/test-customJdk/pom.xml

@@ -22,7 +22,7 @@
     </dependencies>
 
     <properties>
-        <kotlin.compiler.jdk>${env.JDK_18}</kotlin.compiler.jdk>
+        <kotlin.compiler.jdkHome>${env.JDK_17}</kotlin.compiler.jdkHome>
     </properties>
 
     <build>

libraries/tools/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JVMCompileMojo.java

@@ -62,8 +62,8 @@ public class K2JVMCompileMojo extends KotlinCompileMojoBase<K2JVMCompilerArgumen
     @Parameter(property = "kotlin.compiler.jvmTarget", required = false, readonly = false)
     protected String jvmTarget;
 
-    @Parameter(property = "kotlin.compiler.jdk", required = false, readonly = false)
-    protected String jdk;
+    @Parameter(property = "kotlin.compiler.jdkHome", required = false, readonly = false)
+    protected String jdkHome;
 
     @NotNull
     @Override
@@ -110,9 +110,9 @@ public class K2JVMCompileMojo extends KotlinCompileMojoBase<K2JVMCompilerArgumen
         arguments.languageVersion = languageVersion;
         arguments.jvmTarget = jvmTarget;
 
-        if (jdk != null) {
-            getLog().info("Overriding JDK path with: " + jdk);
-            arguments.jdk = jdk;
+        if (jdkHome != null) {
+            getLog().info("Overriding JDK home path with: " + jdkHome);
+            arguments.jdkHome = jdkHome;
         }
     }
 }