[cls] include generated equals/hashCode/toString method in stubs

to avoid heavy computation of super functions

analysis/decompiled/decompiler-to-file-stubs/testData/clsFileStubBuilder/DataClass/DataClass.txt

@@ -54,6 +54,21 @@ PsiJetFileStubImpl[package=a.b.c]
             USER_TYPE
               REFERENCE_EXPRESSION[referencedName=kotlin]
             REFERENCE_EXPRESSION[referencedName=String]
+      FUN[fqName=a.b.c.DataClass.equals, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=equals]
+        MODIFIER_LIST[open public operator]
+        VALUE_PARAMETER_LIST
+          VALUE_PARAMETER[fqName=null, hasDefaultValue=false, hasValOrVar=false, isMutable=false, name=other]
+            TYPE_REFERENCE
+              NULLABLE_TYPE
+                USER_TYPE
+                  USER_TYPE
+                    REFERENCE_EXPRESSION[referencedName=kotlin]
+                  REFERENCE_EXPRESSION[referencedName=Any]
+        TYPE_REFERENCE
+          USER_TYPE
+            USER_TYPE
+              REFERENCE_EXPRESSION[referencedName=kotlin]
+            REFERENCE_EXPRESSION[referencedName=Boolean]
       FUN[fqName=a.b.c.DataClass.f, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=f]
         MODIFIER_LIST[public final]
         VALUE_PARAMETER_LIST
@@ -62,3 +77,19 @@ PsiJetFileStubImpl[package=a.b.c]
             USER_TYPE
               REFERENCE_EXPRESSION[referencedName=kotlin]
             REFERENCE_EXPRESSION[referencedName=Int]
+      FUN[fqName=a.b.c.DataClass.hashCode, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=hashCode]
+        MODIFIER_LIST[open public]
+        VALUE_PARAMETER_LIST
+        TYPE_REFERENCE
+          USER_TYPE
+            USER_TYPE
+              REFERENCE_EXPRESSION[referencedName=kotlin]
+            REFERENCE_EXPRESSION[referencedName=Int]
+      FUN[fqName=a.b.c.DataClass.toString, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=toString]
+        MODIFIER_LIST[open public]
+        VALUE_PARAMETER_LIST
+        TYPE_REFERENCE
+          USER_TYPE
+            USER_TYPE
+              REFERENCE_EXPRESSION[referencedName=kotlin]
+            REFERENCE_EXPRESSION[referencedName=String]

analysis/decompiled/decompiler-to-file-stubs/testData/clsFileStubBuilder/Modifiers/Modifiers.txt

@@ -94,6 +94,14 @@ PsiJetFileStubImpl[package=test]
             USER_TYPE
               REFERENCE_EXPRESSION[referencedName=kotlin]
             REFERENCE_EXPRESSION[referencedName=Unit]
+      FUN[fqName=test.Modifiers.hashCode, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=hashCode]
+        MODIFIER_LIST[open public]
+        VALUE_PARAMETER_LIST
+        TYPE_REFERENCE
+          USER_TYPE
+            USER_TYPE
+              REFERENCE_EXPRESSION[referencedName=kotlin]
+            REFERENCE_EXPRESSION[referencedName=Int]
       FUN[fqName=test.Modifiers.inlined, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=inlined]
         MODIFIER_LIST[public final inline]
         VALUE_PARAMETER_LIST
@@ -165,6 +173,14 @@ PsiJetFileStubImpl[package=test]
             USER_TYPE
               REFERENCE_EXPRESSION[referencedName=kotlin]
             REFERENCE_EXPRESSION[referencedName=Unit]
+      FUN[fqName=test.Modifiers.toString, hasBlockBody=true, hasBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=false, mayHaveContract=false, name=toString]
+        MODIFIER_LIST[open public]
+        VALUE_PARAMETER_LIST
+        TYPE_REFERENCE
+          USER_TYPE
+            USER_TYPE
+              REFERENCE_EXPRESSION[referencedName=kotlin]
+            REFERENCE_EXPRESSION[referencedName=String]
       CLASS[classId=test/Modifiers.Ann, fqName=test.Modifiers.Ann, isEnumEntry=false, isInterface=false, isLocal=false, isTopLevel=false, name=Ann, superNames=[Annotation]]
         MODIFIER_LIST[public final annotation]
         PRIMARY_CONSTRUCTOR[fqName=null, hasBody=false, isDelegatedCallToThis=false, isExtension=false, isTopLevel=false, name=Ann]

analysis/decompiled/decompiler-to-psi/src/org/jetbrains/kotlin/analysis/decompiler/psi/text/buildDecompiledText.kt

@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.resolve.DescriptorUtils.isEnumEntry
 import org.jetbrains.kotlin.resolve.constants.*
 import org.jetbrains.kotlin.resolve.descriptorUtil.secondaryConstructors
 import org.jetbrains.kotlin.types.isFlexible
+import org.jetbrains.kotlin.util.OperatorNameConventions
 import org.jetbrains.kotlin.util.capitalizeDecapitalize.toLowerCaseAsciiOnly
 
 private const val DECOMPILED_CODE_COMMENT = "/* compiled code */"
@@ -52,7 +53,11 @@ internal fun CallableMemberDescriptor.mustNotBeWrittenToDecompiledText(): Boolea
 
         CallableMemberDescriptor.Kind.SYNTHESIZED -> {
             // Of all synthesized functions, only `component*` functions are rendered (for historical reasons)
-            !DataClassDescriptorResolver.isComponentLike(name)
+            !DataClassDescriptorResolver.isComponentLike(name) && name !in listOf(
+                OperatorNameConventions.EQUALS,
+                StandardNames.HASHCODE_NAME,
+                OperatorNameConventions.TO_STRING
+            )
         }
     }
 }

analysis/decompiled/decompiler-to-stubs/src/org/jetbrains/kotlin/analysis/decompiler/stub/CallableClsStubBuilder.kt

@@ -7,6 +7,7 @@ import com.intellij.psi.stubs.StubElement
 import com.intellij.util.io.StringRef
 import org.jetbrains.kotlin.analysis.decompiler.stub.flags.*
 import org.jetbrains.kotlin.constant.ConstantValue
+import org.jetbrains.kotlin.builtins.StandardNames
 import org.jetbrains.kotlin.descriptors.SourceElement
 import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget
 import org.jetbrains.kotlin.load.kotlin.*
@@ -27,6 +28,8 @@ import org.jetbrains.kotlin.resolve.constants.ClassLiteralValue
 import org.jetbrains.kotlin.serialization.deserialization.AnnotatedCallableKind
 import org.jetbrains.kotlin.serialization.deserialization.ProtoContainer
 import org.jetbrains.kotlin.serialization.deserialization.getName
+import org.jetbrains.kotlin.utils.addToStdlib.runIf
+import org.jetbrains.kotlin.util.OperatorNameConventions
 import org.jetbrains.kotlin.utils.addIfNotNull
 import org.jetbrains.kotlin.utils.addToStdlib.runIf
 
@@ -85,7 +88,11 @@ private fun shouldSkip(flags: Int, name: Name): Boolean {
     return when (Flags.MEMBER_KIND.get(flags)) {
         MemberKind.FAKE_OVERRIDE, MemberKind.DELEGATION -> true
         //TODO: fix decompiler to use sane criteria
-        MemberKind.SYNTHESIZED -> !DataClassResolver.isComponentLike(name)
+        MemberKind.SYNTHESIZED -> !DataClassResolver.isComponentLike(name) && name !in listOf(
+            OperatorNameConventions.EQUALS,
+            StandardNames.HASHCODE_NAME,
+            OperatorNameConventions.TO_STRING
+        )
         else -> false
     }
 }