diff --git a/idea/resources/META-INF/plugin-common.xml b/idea/resources/META-INF/plugin-common.xml index eedcf5fb0ba..c78624bd135 100644 --- a/idea/resources/META-INF/plugin-common.xml +++ b/idea/resources/META-INF/plugin-common.xml @@ -3119,6 +3119,16 @@ language="kotlin" /> + + + + Since Kotlin 1.4, it's forbidden to declare a local variable with type parameters. + + diff --git a/idea/src/org/jetbrains/kotlin/idea/inspections/migration/ProhibitTypeParametersForLocalVariablesMigrationInspection.kt b/idea/src/org/jetbrains/kotlin/idea/inspections/migration/ProhibitTypeParametersForLocalVariablesMigrationInspection.kt new file mode 100644 index 00000000000..36af38e606b --- /dev/null +++ b/idea/src/org/jetbrains/kotlin/idea/inspections/migration/ProhibitTypeParametersForLocalVariablesMigrationInspection.kt @@ -0,0 +1,28 @@ +/* + * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors. + * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file. + */ + +package org.jetbrains.kotlin.idea.inspections.migration + +import com.intellij.codeInspection.CleanupLocalInspectionTool +import org.jetbrains.kotlin.config.LanguageVersion +import org.jetbrains.kotlin.diagnostics.Errors +import org.jetbrains.kotlin.idea.configuration.MigrationInfo +import org.jetbrains.kotlin.idea.configuration.isLanguageVersionUpdate +import org.jetbrains.kotlin.idea.quickfix.migration.MigrationFix +import org.jetbrains.kotlin.psi.KtTypeParameterList + + +class ProhibitTypeParametersForLocalVariablesMigrationInspection : + AbstractDiagnosticBasedMigrationInspection( + Errors.LOCAL_VARIABLE_WITH_TYPE_PARAMETERS, + KtTypeParameterList::class.java, + ), + MigrationFix, + CleanupLocalInspectionTool { + override fun isApplicable(migrationInfo: MigrationInfo): Boolean { + return migrationInfo.isLanguageVersionUpdate(LanguageVersion.KOTLIN_1_3, LanguageVersion.KOTLIN_1_4) + } +} + diff --git a/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/.inspection b/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/.inspection new file mode 100644 index 00000000000..f4030f2fd62 --- /dev/null +++ b/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/.inspection @@ -0,0 +1 @@ +org.jetbrains.kotlin.idea.inspections.migration.ProhibitTypeParametersForLocalVariablesMigrationInspection diff --git a/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt b/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt new file mode 100644 index 00000000000..f8db5435172 --- /dev/null +++ b/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt @@ -0,0 +1,5 @@ +// LANGUAGE_VERSION: 1.4 + +fun main(args: Array) { + val x = "" +} \ No newline at end of file diff --git a/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt.after b/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt.after new file mode 100644 index 00000000000..4c1ca99df51 --- /dev/null +++ b/idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt.after @@ -0,0 +1,5 @@ +// LANGUAGE_VERSION: 1.4 + +fun main(args: Array) { + val x = "" +} \ No newline at end of file diff --git a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java index 1e92e4ad491..8268d0d3399 100644 --- a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java +++ b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java @@ -6603,6 +6603,24 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest { } } + @TestMetadata("idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration") + @TestDataPath("$PROJECT_ROOT") + @RunWith(JUnit3RunnerWithInners.class) + public static class ProhibitTypeParametersForLocalVariablesMigration extends AbstractLocalInspectionTest { + private void runTest(String testDataFilePath) throws Exception { + KotlinTestUtils.runTest(this::doTest, this, testDataFilePath); + } + + public void testAllFilesPresentInProhibitTypeParametersForLocalVariablesMigration() throws Exception { + KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration"), Pattern.compile("^([\\w\\-_]+)\\.(kt|kts)$"), null, true); + } + + @TestMetadata("simple.kt") + public void testSimple() throws Exception { + runTest("idea/testData/inspectionsLocal/prohibitTypeParametersForLocalVariablesMigration/simple.kt"); + } + } + @TestMetadata("idea/testData/inspectionsLocal/recursiveEqualsCall") @TestDataPath("$PROJECT_ROOT") @RunWith(JUnit3RunnerWithInners.class)