Build stubs for data modifier

idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/stubBuilder/ClassClsStubBuilder.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.idea.decompiler.stubBuilder
 import com.intellij.psi.PsiElement
 import com.intellij.psi.stubs.StubElement
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.idea.decompiler.stubBuilder.FlagsToModifiers.DATA
 import org.jetbrains.kotlin.idea.decompiler.stubBuilder.FlagsToModifiers.INNER
 import org.jetbrains.kotlin.idea.decompiler.stubBuilder.FlagsToModifiers.MODALITY
 import org.jetbrains.kotlin.idea.decompiler.stubBuilder.FlagsToModifiers.VISIBILITY
@@ -87,6 +88,7 @@ private class ClassClsStubBuilder(
         val relevantFlags = arrayListOf(VISIBILITY)
         if (isClass()) {
             relevantFlags.add(INNER)
+            relevantFlags.add(DATA)
             relevantFlags.add(MODALITY)
         }
         val additionalModifiers = when (classKind) {

idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/stubBuilder/clsStubBuilding.kt

@@ -203,6 +203,12 @@ enum class FlagsToModifiers {
         override fun getModifiers(flags: Int): JetModifierKeywordToken? {
             return if (Flags.IS_INFIX.get(flags)) JetTokens.INFIX_KEYWORD else null
         }
+    },
+
+    DATA {
+        override fun getModifiers(flags: Int): JetModifierKeywordToken? {
+            return if (Flags.IS_DATA.get(flags)) JetTokens.DATA_KEYWORD else null
+        }
     };
 
     abstract fun getModifiers(flags: Int): JetModifierKeywordToken?

idea/testData/decompiler/decompiledText/Modifiers.expected.kt

@@ -0,0 +1,8 @@
+// IntelliJ API Decompiler stub source generated from a class file
+// Implementation of methods is not available
+
+package test
+
+public final data class Modifiers public constructor() {
+}
+

idea/testData/decompiler/decompiledText/Modifiers/Modifiers.kt

@@ -0,0 +1,3 @@
+package test
+
+data class Modifiers

idea/testData/decompiler/stubBuilder/DataClass/DataClass.txt

@@ -7,14 +7,7 @@ PsiJetFileStubImpl[package=a.b.c]
       REFERENCE_EXPRESSION:[referencedName=c]
   IMPORT_LIST:
   CLASS:[fqName=a.b.c.DataClass, isEnumEntry=false, isInterface=false, isLocal=false, isTopLevel=true, name=DataClass, superNames=[]]
-    MODIFIER_LIST:[public final]
+    MODIFIER_LIST:[public final data]
-      ANNOTATION_ENTRY:[hasValueArguments=false, shortName=data]
-        CONSTRUCTOR_CALLEE:
-          TYPE_REFERENCE:
-            USER_TYPE:[isAbsoluteInRootPackage=false]
-              USER_TYPE:[isAbsoluteInRootPackage=false]
-                REFERENCE_EXPRESSION:[referencedName=kotlin]
-              REFERENCE_EXPRESSION:[referencedName=data]
     PRIMARY_CONSTRUCTOR:
       MODIFIER_LIST:[public]
       VALUE_PARAMETER_LIST:

idea/testData/decompiler/stubBuilder/Modifiers/Modifiers.kt

@@ -0,0 +1,3 @@
+package test
+
+data class Modifiers

idea/testData/decompiler/stubBuilder/Modifiers/Modifiers.txt

@@ -0,0 +1,10 @@
+PsiJetFileStubImpl[package=test]
+  PACKAGE_DIRECTIVE:
+    REFERENCE_EXPRESSION:[referencedName=test]
+  IMPORT_LIST:
+  CLASS:[fqName=test.Modifiers, isEnumEntry=false, isInterface=false, isLocal=false, isTopLevel=true, name=Modifiers, superNames=[]]
+    MODIFIER_LIST:[public final data]
+    PRIMARY_CONSTRUCTOR:
+      MODIFIER_LIST:[public]
+      VALUE_PARAMETER_LIST:
+    CLASS_BODY:

idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/ClsStubBuilderTestGenerated.java

@@ -113,6 +113,12 @@ public class ClsStubBuilderTestGenerated extends AbstractClsStubBuilderTest {
         doTest(fileName);
     }
 
+    @TestMetadata("Modifiers")
+    public void testModifiers() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/decompiler/stubBuilder/Modifiers/");
+        doTest(fileName);
+    }
+
     @TestMetadata("MultifileClass")
     public void testMultifileClass() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/decompiler/stubBuilder/MultifileClass/");

idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/CommonDecompiledTextFromJsMetadataTestGenerated.java

@@ -107,6 +107,12 @@ public class CommonDecompiledTextFromJsMetadataTestGenerated extends AbstractCom
         doTest(fileName);
     }
 
+    @TestMetadata("Modifiers")
+    public void testModifiers() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/decompiler/decompiledText/Modifiers/");
+        doTest(fileName);
+    }
+
     @TestMetadata("Object")
     public void testObject() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/decompiler/decompiledText/Object/");

idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/CommonDecompiledTextTestGenerated.java

@@ -95,6 +95,12 @@ public class CommonDecompiledTextTestGenerated extends AbstractCommonDecompiledT
         doTest(fileName);
     }
 
+    @TestMetadata("Modifiers")
+    public void testModifiers() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/decompiler/decompiledText/Modifiers/");
+        doTest(fileName);
+    }
+
     @TestMetadata("NestedClasses")
     public void testNestedClasses() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/decompiler/decompiledText/NestedClasses/");