fix(indexing): split indexing logic into 'api' and 'core' modules

java/lsp/build.gradle.kts

@@ -46,21 +46,24 @@ kapt {
 
 dependencies {
   kapt(projects.annotation.processors)
+  kapt(libs.google.auto.service)
 
   implementation(libs.androidide.ts)
   implementation(libs.androidide.ts.java)
+  implementation(libs.androidx.annotation)
   implementation(libs.androidx.appcompat)
   implementation(libs.common.editor)
   implementation(libs.common.javaparser)
   implementation(libs.common.utilcode)
-  implementation(libs.androidx.annotation)
+
+  implementation(libs.google.auto.service.annotations)
   implementation(libs.google.guava)
   implementation(libs.google.gson)
   implementation(libs.google.material)
 
   implementation(projects.core.actions)
   implementation(projects.core.common)
-  implementation(projects.core.indexing)
+  implementation(projects.core.indexingApi)
   implementation(projects.core.lspApi)
   implementation(projects.core.resources)
   implementation(projects.editor.api)
@@ -80,4 +83,4 @@ dependencies {
 
   androidTestImplementation(projects.testing.androidTest)
   androidTestImplementation(projects.utilities.shared)
-}
+}

java/lsp/src/androidTest/java/com/itsaky/androidide/lsp/java/indexing/JavaClassCRUDTest.kt

@@ -20,7 +20,6 @@ package com.itsaky.androidide.lsp.java.indexing
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.google.common.truth.Truth.assertThat
 import com.itsaky.androidide.lsp.java.indexing.classfile.JavaClass
-import com.itsaky.androidide.lsp.java.indexing.classfile.JavaIndexingRealmModule
 import com.itsaky.androidide.lsp.java.indexing.classfile.JavaType
 import com.itsaky.androidide.testing.android.rules.RealmDBTestRule
 import io.realm.RealmList

java/lsp/src/androidTest/java/com/itsaky/androidide/lsp/java/indexing/JavaIndexerTest.kt

@@ -22,7 +22,6 @@ import androidx.test.core.app.ApplicationProvider
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.blankj.utilcode.util.ConvertUtils
 import com.google.common.truth.Truth
-import com.itsaky.androidide.lsp.java.indexing.classfile.JavaIndexingRealmModule
 import com.itsaky.androidide.testing.android.rules.RealmDBTestRule
 import io.realm.RealmModel
 import org.junit.Rule

java/lsp/src/androidTest/java/com/itsaky/androidide/lsp/java/indexing/SharedModelCRUDTest.kt

@@ -19,13 +19,12 @@ package com.itsaky.androidide.lsp.java.indexing
 
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.google.common.truth.Truth.assertThat
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
+import com.itsaky.androidide.indexing.core.platform.ApiInfo
 import com.itsaky.androidide.lsp.java.indexing.classfile.ArrayAnnotationElementValue
 import com.itsaky.androidide.lsp.java.indexing.classfile.ClassAnnotationElementValue
 import com.itsaky.androidide.lsp.java.indexing.classfile.EnumAnnotationElementValue
 import com.itsaky.androidide.lsp.java.indexing.classfile.IAnnotationElementValue
 import com.itsaky.androidide.lsp.java.indexing.classfile.JavaConstant
-import com.itsaky.androidide.lsp.java.indexing.classfile.JavaIndexingRealmModule
 import com.itsaky.androidide.lsp.java.indexing.classfile.JavaType
 import com.itsaky.androidide.lsp.java.indexing.classfile.PrimitiveAnnotationElementValue
 import com.itsaky.androidide.testing.android.rules.RealmDBTestRule
@@ -49,7 +48,7 @@ class SharedModelCRUDTest {
   @Test
   fun testApiInfoCreate() {
     dbTestRule.withDb("api-info") {
-      val apiInfo = ApiInfo.newInstance(since = 1, deprecatedIn = 21, removedIn = 23)
+      val apiInfo = com.itsaky.androidide.indexing.core.platform.ApiInfo.newInstance(since = 1, deprecatedIn = 21, removedIn = 23)
       assertInsertUnique(apiInfo)
 
       val apiInfo2 = apiInfo.clone().update(removedIn = 26)
@@ -63,7 +62,7 @@ class SharedModelCRUDTest {
   @Test(expected = RealmPrimaryKeyConstraintException::class)
   fun testApiInfoDuplicationError() {
     dbTestRule.withDb("api-info-duplication-error") {
-      val apiInfo = ApiInfo.newInstance(since = 1, deprecatedIn = 21, removedIn = 23)
+      val apiInfo = com.itsaky.androidide.indexing.core.platform.ApiInfo.newInstance(since = 1, deprecatedIn = 21, removedIn = 23)
       assertInsertSingle(apiInfo)
       assertInsertSingle(apiInfo)
     }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/IJavaSymbol.kt

@@ -17,8 +17,6 @@
 
 package com.itsaky.androidide.lsp.java.indexing
 
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
-
 /**
  * A java symbol.
  *
@@ -28,5 +26,4 @@ import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
  */
 interface IJavaSymbol : IJavaIndexable {
   var accessFlags: Int
-  var apiInfo: ApiInfo?
 }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/JavaIndexer.kt

@@ -1,56 +0,0 @@
-/*
- *  This file is part of AndroidIDE.
- *
- *  AndroidIDE is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  AndroidIDE is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.itsaky.androidide.lsp.java.indexing
-
-import com.itsaky.androidide.indexing.IIndex
-import com.itsaky.androidide.indexing.IIndexer
-import com.itsaky.androidide.indexing.IIndexer.Params
-import com.itsaky.androidide.tasks.cancelIfActive
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Deferred
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import java.io.File
-
-/**
- * @author Akash Yadav
- */
-class JavaIndexer(
-  private val jarPaths: List<File>
-) : IIndexer<IJavaIndexable, Unit> {
-
-  companion object {
-    const val INDEX_PATH = "/java"
-  }
-
-  private val coroutineScope = CoroutineScope(Dispatchers.IO)
-  override val indexPath: String = INDEX_PATH
-
-  override fun index(index: IIndex<IJavaIndexable>, params: Params): Collection<Deferred<Unit>> {
-    return jarPaths.map { jar ->
-      coroutineScope.async {
-        val worker = JavaJarModelBuilder(jar)
-//        worker.index(index)
-      }
-    }
-  }
-
-  override fun close() {
-    coroutineScope.cancelIfActive("Cancellation requested")
-  }
-}

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/JavaIndexingRealmModule.kt

@@ -15,9 +15,22 @@
  *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.itsaky.androidide.lsp.java.indexing.classfile
+package com.itsaky.androidide.lsp.java.indexing
 
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
+import com.itsaky.androidide.lsp.java.indexing.classfile.AnnotationAnnotationElementValue
+import com.itsaky.androidide.lsp.java.indexing.classfile.AnnotationElement
+import com.itsaky.androidide.lsp.java.indexing.classfile.ArrayAnnotationElementValue
+import com.itsaky.androidide.lsp.java.indexing.classfile.ClassAnnotationElementValue
+import com.itsaky.androidide.lsp.java.indexing.classfile.EnumAnnotationElementValue
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaAnnotation
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaClass
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaConstant
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaEnum
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaField
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaInterface
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaMethod
+import com.itsaky.androidide.lsp.java.indexing.classfile.JavaType
+import com.itsaky.androidide.lsp.java.indexing.classfile.PrimitiveAnnotationElementValue
 import io.realm.annotations.RealmModule
 
 /**
@@ -33,7 +46,6 @@ import io.realm.annotations.RealmModule
     ClassAnnotationElementValue::class,
     EnumAnnotationElementValue::class,
     PrimitiveAnnotationElementValue::class,
-    ApiInfo::class,
     JavaAnnotation::class,
     JavaClass::class,
     JavaConstant::class,

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/JavaJarModelBuilder.kt

@@ -269,17 +269,18 @@ class JavaJarModelBuilder(private val jar: File) {
         val methodName = method.getName(classFile.constant_pool)
         val methodType = DescriptorUtils.returnType(descriptor)
 
-        add(this@setAnnotationElements.newAnnotationElement(
-          methodName, methodType, method.access_flags.flags
-        ).apply {
-          val annotationDefault =
-            method.attributes.get(Attribute.AnnotationDefault) as? AnnotationDefault_attribute?
-          if (annotationDefault != null) {
-            val defaultValue = annotationDefault.default_value
-            val value = toAnnotationElementValue(defaultValue, classFile)
-            this.defaultValue = value.let(RealmAny::valueOf) ?: RealmAny.nullValue()
-          }
-        })
+        add(
+          newAnnotationElement(
+            methodName, methodType, method.access_flags.flags
+          ).apply {
+            val annotationDefault =
+              method.attributes.get(Attribute.AnnotationDefault) as? AnnotationDefault_attribute?
+            if (annotationDefault != null) {
+              val defaultValue = annotationDefault.default_value
+              val value = toAnnotationElementValue(defaultValue, classFile)
+              this.defaultValue = value.let(RealmAny::valueOf) ?: RealmAny.nullValue()
+            }
+          })
       }
     }
   }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/apiinfo/ApiInfo.kt

@@ -1,122 +0,0 @@
-/*
- *  This file is part of AndroidIDE.
- *
- *  AndroidIDE is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  AndroidIDE is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.itsaky.androidide.lsp.java.indexing.apiinfo
-
-import com.google.common.base.Objects
-import com.itsaky.androidide.lsp.java.indexing.ICloneable
-import com.itsaky.androidide.lsp.java.indexing.ISharedJavaIndexable
-import io.realm.annotations.PrimaryKey
-import io.realm.annotations.RealmClass
-import io.realm.annotations.RealmField
-import io.realm.annotations.Required
-
-/**
- * @property since The API in which the symbol was added.
- * @property deprecatedIn The API in which the symbol was deprecated.
- * @property removedIn The API in which the symbol was removed.
- * @author Akash Yadav
- */
-
-@RealmClass
-open class ApiInfo : ISharedJavaIndexable, ICloneable {
-
-  @Required
-  @PrimaryKey
-  @RealmField("id")
-  override var id: Int? = null
-
-  @RealmField("since")
-  var since: Int = 1
-    private set
-
-  @RealmField("deprecatedIn")
-  var deprecatedIn: Int = 0
-    private set
-
-  @RealmField("removedIn")
-  var removedIn: Int = 0
-    private set
-
-  override fun computeId() {
-    this.id = Objects.hashCode(this.since, this.removedIn, this.deprecatedIn)
-  }
-
-  /**
-   * Update the API information from the given [ApiInfo].
-   */
-  fun update(apiInfo: ApiInfo) = apply {
-    this.since = apiInfo.since
-    this.deprecatedIn = apiInfo.deprecatedIn
-    this.removedIn = apiInfo.removedIn
-    this.computeId()
-  }
-
-  /**
-   * Update the API information with the given parameters.
-   */
-  fun update(
-    since: Int = this.since,
-    deprecatedIn: Int = this.deprecatedIn,
-    removedIn: Int = this.removedIn
-  ) = apply {
-    this.since = since
-    this.deprecatedIn = deprecatedIn
-    this.removedIn = removedIn
-    this.computeId()
-  }
-
-  override fun equals(other: Any?): Boolean {
-    if (this === other) return true
-    if (other !is ApiInfo) return false
-
-    if (id != other.id) return false
-    if (since != other.since) return false
-    if (deprecatedIn != other.deprecatedIn) return false
-    if (removedIn != other.removedIn) return false
-
-    return true
-  }
-
-  override fun hashCode(): Int {
-    var result = id ?: 0
-    result = 31 * result + since
-    result = 31 * result + deprecatedIn
-    result = 31 * result + removedIn
-    return result
-  }
-
-  override fun toString(): String {
-    return "ApiInfo(id=$id, since=$since, deprecatedIn=$deprecatedIn, removedIn=$removedIn)"
-  }
-
-  override fun clone(): ApiInfo {
-    return newInstance(since, deprecatedIn, removedIn)
-  }
-
-  companion object {
-    @JvmStatic
-    fun newInstance(since: Int, deprecatedIn: Int, removedIn: Int): ApiInfo {
-      return ApiInfo().apply {
-        this.since = since
-        this.deprecatedIn = deprecatedIn
-        this.removedIn = removedIn
-        this.computeId()
-      }
-    }
-  }
-}

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/apiinfo/ApiInfoParser.kt

@@ -1,184 +0,0 @@
-/*
- *  This file is part of AndroidIDE.
- *
- *  AndroidIDE is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  AndroidIDE is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.itsaky.androidide.lsp.java.indexing.apiinfo
-
-import androidx.collection.mutableIntObjectMapOf
-import jaxp.xml.namespace.QName
-import jaxp.xml.stream.XMLInputFactory
-import jaxp.xml.stream.events.Attribute
-import jaxp.xml.stream.events.EndElement
-import jaxp.xml.stream.events.StartElement
-import org.slf4j.LoggerFactory
-import java.io.InputStream
-
-/**
- * Parser for parsing `api-versions.xml` file from the Android SDK and building [ApiInfo] models.
- *
- * @author Akash Yadav
- */
-class ApiInfoParser {
-
-  private val apiInfos = mutableIntObjectMapOf<ApiInfo>()
-  private val apiInfo = HashMap<String, Pair<ApiInfo, HashMap<String, ApiInfo>>>()
-
-  private var apiVersion: Int? = null
-  private var currentClass: String? = null
-
-  companion object {
-    private val log = LoggerFactory.getLogger(ApiInfoParser::class.java)
-  }
-
-  fun parse(apiVersionsXml: InputStream) {
-    if (apiVersionsXml.available() <= 0) {
-      log.warn("api-versions.xml InputStream is empty")
-      return
-    }
-
-    val inputFactory = XMLInputFactory.newInstance()
-    val reader = inputFactory.createXMLEventReader(apiVersionsXml)
-
-    while (reader.hasNext()) {
-      val event = reader.nextEvent()
-      if (event.isStartElement) {
-        consumeStartElement(event.asStartElement())
-        continue
-      }
-
-      if (event.isEndElement) {
-        consumeEndElement(event.asEndElement())
-      }
-    }
-  }
-
-  /**
-   * Returns [ApiInfo] for the given class.
-   */
-  fun getClassInfo(className: String): ApiInfo? {
-    return apiInfo[className]?.first
-  }
-
-  /**
-   * Returns [ApiInfo] for the given class and member.
-   */
-  fun getMemberInfo(className: String, memberName: String): ApiInfo? {
-    return apiInfo[className]?.second?.get(memberName)
-  }
-
-  /**
-   * Removes and returns the [ApiInfo] for the given class and member. This also removes the [ApiInfo]
-   * for the class if the all the members of the class have been removed.
-   */
-  fun removeMemberInfo(className: String, memberName: String): ApiInfo? {
-    return apiInfo[className]?.second?.remove(memberName).also {
-      if (apiInfo[className]?.second?.isEmpty() == true) {
-        apiInfo.remove(className)
-      }
-    }
-  }
-
-  private fun consumeStartElement(event: StartElement) {
-    when (event.name.localPart) {
-      "api" -> apiVersion = event.getAttributeByName(QName("version")).value.toInt()
-      "class" -> consumeClass(event)
-      "field" -> consumeMember(event, "field")
-      "method" -> consumeMember(event, "method")
-    }
-  }
-
-  private fun consumeClass(event: StartElement) {
-    checkNotNull(apiVersion) {
-      "<class> element must be inside <api> element"
-    }
-
-    check(currentClass == null) {
-      "<class> elements cannot be nested"
-    }
-
-    val (name, versions) = event.parseAttrs()
-    check(!apiInfo.containsKey(name)) {
-      "Duplicate class entry: $name"
-    }
-
-    val apiInfo = apiInfos.getOrPut(versions) {
-      createApiInfo(versions)
-    }
-
-    this.apiInfo[name] = apiInfo to HashMap()
-    this.currentClass = name
-  }
-
-  private fun consumeMember(event: StartElement, memberType: String) {
-    val (name, versions) = event.parseAttrs()
-    val currentClass = checkNotNull(currentClass) {
-      "<${memberType}> element must be inside <class> element"
-    }
-    check(!apiInfo.containsKey(name)) {
-      "Duplicate $memberType entry in class $currentClass: $name"
-    }
-
-    val (_, members) = apiInfo[currentClass]!!
-    val existing = members.put(name, createApiInfo(versions))
-    check(existing == null) {
-      "Duplicate $memberType entry in class $currentClass: $name"
-    }
-  }
-
-  private fun consumeEndElement(element: EndElement) {
-    when (element.name.localPart) {
-      "api" -> apiVersion = null
-      "class" -> currentClass = null
-    }
-  }
-
-  private fun StartElement.parseAttrs(): Pair<String, Int> {
-    var name: String? = null
-    var since = 1
-    var deprecated = 0
-    var removed = 0
-
-    attributes.forEach { attribute ->
-      attribute as Attribute
-
-      when (attribute.name.localPart) {
-        "name" -> name = attribute.value
-        "since" -> since = attribute.value.toInt()
-        "deprecated" -> deprecated = attribute.value.toInt()
-        "removed" -> removed = attribute.value.toInt()
-      }
-    }
-
-    checkNotNull(name) {
-      "Missing name attribute"
-    }
-
-    // Android API versions would not exceed 255, right?
-    check(since in 1..255 && deprecated in 0..255 && removed in 0..255) {
-      "Invalid version: $since, $deprecated, $removed"
-    }
-
-    val version = (since shl 16) + (deprecated shl 8) + removed
-    return name!! to version
-  }
-
-  private fun createApiInfo(versions: Int): ApiInfo {
-    val since = (versions shr 16) and 0x000000FF
-    val deprecated = (versions shr 8) and 0x000000FF
-    val removed = versions and 0x000000FF
-    return ApiInfo.newInstance(since = since, deprecatedIn = deprecated, removedIn = removed)
-  }
-}

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/AnnotationElement.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaSymbol
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmAny
 import io.realm.RealmResults
 import io.realm.annotations.Index
@@ -47,9 +46,6 @@ open class AnnotationElement : IJavaSymbol {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @LinkingObjects("methods")
   val ofClass: RealmResults<JavaAnnotation>? = null
 
@@ -78,18 +74,16 @@ open class AnnotationElement : IJavaSymbol {
 
   companion object {
     @JvmStatic
-    fun JavaAnnotation.newAnnotationElement(
+    fun newAnnotationElement(
       name: String,
       type: JavaType,
       accessFlags: Int,
-      apiInfo: ApiInfo? = null,
       defaultValue: RealmAny? = null
     ): AnnotationElement {
       return AnnotationElement().apply {
         this.name = name
         this.type = type
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
         this.defaultValue = defaultValue
       }
     }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaAnnotation.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaType
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmList
 import io.realm.annotations.Index
 import io.realm.annotations.PrimaryKey
@@ -66,9 +65,6 @@ open class JavaAnnotation : IJavaType<JavaField, AnnotationElement> {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @RealmField("fields")
   override var fields: RealmList<JavaField>? = null
 
@@ -90,7 +86,6 @@ open class JavaAnnotation : IJavaType<JavaField, AnnotationElement> {
       accessFlags: Int,
       isInner: Boolean = false,
       superInterfacesFqn: RealmList<String>? = null,
-      apiInfo: ApiInfo? = null,
       fields: RealmList<JavaField>? = null,
       methods: RealmList<AnnotationElement>? = null
     ): JavaAnnotation {
@@ -102,7 +97,6 @@ open class JavaAnnotation : IJavaType<JavaField, AnnotationElement> {
         this.superClassFqn = superClassFqn
         this.superInterfacesFqn = superInterfacesFqn
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
         this.fields = fields
         this.methods = methods
       }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaClass.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaType
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmList
 import io.realm.annotations.Index
 import io.realm.annotations.PrimaryKey
@@ -61,9 +60,6 @@ open class JavaClass : IJavaType<JavaField, JavaMethod> {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @RealmField("fields")
   override var fields: RealmList<JavaField>? = null
 
@@ -83,7 +79,6 @@ open class JavaClass : IJavaType<JavaField, JavaMethod> {
       isInner: Boolean = false,
       superClassFqn: String? = null,
       superInterfacesFqn: RealmList<String>? = null,
-      apiInfo: ApiInfo? = null,
       fields: RealmList<JavaField>? = null,
       methods: RealmList<JavaMethod>? = null
     ): JavaClass {
@@ -95,7 +90,6 @@ open class JavaClass : IJavaType<JavaField, JavaMethod> {
         this.superClassFqn = superClassFqn
         this.superInterfacesFqn = superInterfacesFqn
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
         this.fields = fields
         this.methods = methods
       }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaEnum.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaType
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmList
 import io.realm.annotations.Index
 import io.realm.annotations.PrimaryKey
@@ -60,9 +59,6 @@ open class JavaEnum : IJavaType<JavaField, JavaMethod> {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @RealmField("fields")
   override var fields: RealmList<JavaField>? = null
 
@@ -82,7 +78,6 @@ open class JavaEnum : IJavaType<JavaField, JavaMethod> {
       isInner: Boolean = false,
       superClassFqn: String? = null,
       superInterfacesFqn: RealmList<String>? = null,
-      apiInfo: ApiInfo? = null,
       fields: RealmList<JavaField>? = null,
       methods: RealmList<JavaMethod>? = null
     ): JavaEnum {
@@ -94,7 +89,6 @@ open class JavaEnum : IJavaType<JavaField, JavaMethod> {
         this.superClassFqn = superClassFqn
         this.superInterfacesFqn = superInterfacesFqn
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
         this.fields = fields
         this.methods = methods
       }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaField.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaSymbol
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmResults
 import io.realm.annotations.Index
 import io.realm.annotations.LinkingObjects
@@ -41,9 +40,6 @@ open class JavaField : IJavaSymbol {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @RealmField("constantValue")
   var constantValue: JavaConstant? = null
 
@@ -56,14 +52,12 @@ open class JavaField : IJavaSymbol {
       name: String,
       type: JavaType,
       accessFlags: Int,
-      apiInfo: ApiInfo? = null,
       constantValue: JavaConstant? = null
     ): JavaField {
       return JavaField().apply {
         this.name = name
         this.type = type
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
         this.constantValue = constantValue
       }
     }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaInterface.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaType
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmList
 import io.realm.annotations.Index
 import io.realm.annotations.PrimaryKey
@@ -61,9 +60,6 @@ open class JavaInterface : IJavaType<JavaField, JavaMethod> {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @RealmField("fields")
   override var fields: RealmList<JavaField>? = null
 
@@ -82,7 +78,6 @@ open class JavaInterface : IJavaType<JavaField, JavaMethod> {
       accessFlags: Int,
       isInner: Boolean = false,
       superInterfacesFqn: RealmList<String>? = null,
-      apiInfo: ApiInfo? = null,
       fields: RealmList<JavaField>? = null,
       methods: RealmList<JavaMethod>? = null
     ): JavaInterface {
@@ -93,7 +88,6 @@ open class JavaInterface : IJavaType<JavaField, JavaMethod> {
         this.isInner = isInner
         this.superInterfacesFqn = superInterfacesFqn
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
         this.fields = fields
         this.methods = methods
       }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaMethod.kt

@@ -18,7 +18,6 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.itsaky.androidide.lsp.java.indexing.IJavaSymbol
-import com.itsaky.androidide.lsp.java.indexing.apiinfo.ApiInfo
 import io.realm.RealmList
 import io.realm.RealmResults
 import io.realm.annotations.Index
@@ -47,9 +46,6 @@ open class JavaMethod : IJavaSymbol {
   @RealmField("accessFlags")
   override var accessFlags: Int = 0
 
-  @RealmField("apiInfo")
-  override var apiInfo: ApiInfo? = null
-
   @LinkingObjects("methods")
   val ofClass: RealmResults<JavaClass>? = null
 
@@ -75,14 +71,12 @@ open class JavaMethod : IJavaSymbol {
       paramsTypes: RealmList<JavaType>,
       returnType: JavaType,
       accessFlags: Int,
-      apiInfo: ApiInfo? = null,
     ): JavaMethod {
       return JavaMethod().apply {
         this.name = name
         this.paramsTypes = paramsTypes
         this.returnType = returnType
         this.accessFlags = accessFlags
-        this.apiInfo = apiInfo
       }
     }
   }

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/JavaType.kt

@@ -18,8 +18,8 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.google.common.base.Objects
-import com.itsaky.androidide.lsp.java.indexing.ICloneable
 import com.itsaky.androidide.lsp.java.indexing.ISharedJavaIndexable
+import com.itsaky.androidide.models.ICloneable
 import io.realm.annotations.Index
 import io.realm.annotations.PrimaryKey
 import io.realm.annotations.RealmClass
@@ -146,7 +146,7 @@ open class JavaType : ISharedJavaIndexable, ICloneable {
   override fun toString(): String {
     return "JavaType(id=$id, name=$name, kind=$kind, arrayDims=$arrayDims)"
   }
-  
+
   companion object {
     const val KIND_UNKNOWN = -1
     const val KIND_BOOLEAN = 0
@@ -163,7 +163,7 @@ open class JavaType : ISharedJavaIndexable, ICloneable {
     // kind values used in IAnnotationElementValue
     // defined here for convenience
     internal const val __KIND_STRING = 10
-    internal const val __KIND_CLASS  = 11
+    internal const val __KIND_CLASS = 11
     internal const val __KIND_ENUM = 12
     internal const val __KIND_ANNOTATION = 13
     internal const val __KIND_ARRAY = 14

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/classfile/annotationElementValues.kt

@@ -18,8 +18,8 @@
 package com.itsaky.androidide.lsp.java.indexing.classfile
 
 import com.google.common.base.Objects
-import com.itsaky.androidide.db.utils.isEqualTo
 import com.itsaky.androidide.db.utils.hash
+import com.itsaky.androidide.db.utils.isEqualTo
 import com.itsaky.androidide.lsp.java.indexing.ISharedJavaIndexable
 import io.realm.RealmAny
 import io.realm.RealmDictionary

java/lsp/src/main/java/com/itsaky/androidide/lsp/java/indexing/internal/JavaIndexServiceImpl.kt

@@ -15,13 +15,28 @@
  *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.itsaky.androidide.lsp.java.indexing
+package com.itsaky.androidide.lsp.java.indexing.internal
+
+import com.google.auto.service.AutoService
+import com.itsaky.androidide.indexing.IIndexService
+import com.itsaky.androidide.progress.IProgressIndicator
+import com.itsaky.androidide.projects.api.Project
+import java.io.File
 
 /**
- * Anything that can be cloned.
- *
  * @author Akash Yadav
  */
-interface ICloneable {
-  fun clone(): ICloneable
+@AutoService(IIndexService::class)
+internal class JavaIndexServiceImpl : IIndexService {
+
+  override fun scanFiles(project: Project): Collection<File> {
+    return emptySet()
+  }
+
+  override suspend fun indexFiles(
+    project: Project,
+    progress: IProgressIndicator,
+    files: Collection<File>
+  ) {
+  }
 }

java/lsp/src/test/java/com/itsaky/androidide/lsp/java/indexing/apiinfo/ApiInfoParserTest.kt

@@ -1,342 +0,0 @@
-/*
- *  This file is part of AndroidIDE.
- *
- *  AndroidIDE is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  AndroidIDE is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.itsaky.androidide.lsp.java.indexing.apiinfo
-
-import com.google.common.truth.Truth.assertThat
-import com.itsaky.androidide.testing.common.utils.findAndroidHome
-import jaxp.xml.stream.XMLStreamException
-import org.junit.Assert.assertThrows
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.robolectric.RobolectricTestRunner
-import java.io.ByteArrayInputStream
-import java.io.File
-
-/**
- * @author Akash Yadav
- */
-@RunWith(RobolectricTestRunner::class)
-class ApiInfoParserTest {
-
-  val apiVersionXml by lazy {
-    val platformsDir = File(findAndroidHome(), "platforms")
-    val platformDir = platformsDir.listFiles()!!.asSequence().sortedByDescending {
-      // android-30, android-31, android-32, android-33, etc
-      it.name.substring("android-".length).toIntOrNull() ?: 0
-    }.first()
-
-    platformDir.resolve("data/api-versions.xml")
-  }
-
-  private lateinit var parser: ApiInfoParser
-
-  @Before
-  fun setup() {
-    parser = ApiInfoParser()
-  }
-
-  @Test
-  fun `test basic parse`() {
-    parser.parse(apiVersionXml.inputStream().buffered())
-
-    val manifestInfo = parser.getClassInfo("android/Manifest")
-    assertThat(manifestInfo).isNotNull()
-    assertThat(manifestInfo?.since).isEqualTo(1)
-    assertThat(manifestInfo?.deprecatedIn).isEqualTo(0)
-    assertThat(manifestInfo?.removedIn).isEqualTo(0)
-  }
-
-  @Test
-  fun testSingleClassParsing() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    parser.parse(inputStream)
-
-    val classInfo = parser.getClassInfo("com.example.ClassA")
-    assertThat(classInfo).isNotNull()
-    assertThat(classInfo!!.since).isEqualTo(1)
-    assertThat(classInfo.deprecatedIn).isEqualTo(0)
-    assertThat(classInfo.removedIn).isEqualTo(0)
-  }
-
-  @Test
-  fun testSingleClassWithMembersParsing() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0">
-                    <field name="fieldA" since="2" deprecated="0" removed="0"/>
-                    <method name="methodA" since="3" deprecated="0" removed="0"/>
-                </class>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    parser.parse(inputStream)
-
-    val classInfo = parser.getClassInfo("com.example.ClassA")
-    assertThat(classInfo).isNotNull()
-    assertThat(classInfo!!.since).isEqualTo(1)
-
-    val fieldInfo = parser.getMemberInfo("com.example.ClassA", "fieldA")
-    assertThat(fieldInfo).isNotNull()
-    assertThat(fieldInfo!!.since).isEqualTo(2)
-
-    val methodInfo = parser.getMemberInfo("com.example.ClassA", "methodA")
-    assertThat(methodInfo).isNotNull()
-    assertThat(methodInfo!!.since).isEqualTo(3)
-  }
-
-  @Test
-  fun testMultipleClassesParsing() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0"/>
-                <class name="com.example.ClassB" since="2" deprecated="0" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    parser.parse(inputStream)
-
-    val classAInfo = parser.getClassInfo("com.example.ClassA")
-    assertThat(classAInfo).isNotNull()
-    assertThat(classAInfo!!.since).isEqualTo(1)
-
-    val classBInfo = parser.getClassInfo("com.example.ClassB")
-    assertThat(classBInfo).isNotNull()
-    assertThat(classBInfo!!.since).isEqualTo(2)
-  }
-
-  @Test
-  fun testClassWithDeprecatedAndRemovedAttributes() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="30" removed="34"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    parser.parse(inputStream)
-
-    val classInfo = parser.getClassInfo("com.example.ClassA")
-    assertThat(classInfo).isNotNull()
-    assertThat(classInfo!!.since).isEqualTo(1)
-    assertThat(classInfo.deprecatedIn).isEqualTo(30)
-    assertThat(classInfo.removedIn).isEqualTo(34)
-  }
-
-  @Test
-  fun testClassWithInvalidAttributes() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="256" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    try {
-      parser.parse(inputStream)
-      assertThat(true).isFalse() // Should not reach here
-    } catch (e: IllegalStateException) {
-      assertThat(e).hasMessageThat().contains("Invalid version")
-    }
-  }
-
-  @Test
-  fun testMissingNameAttribute() {
-    val xml = """
-            <api version="34">
-                <class since="1" deprecated="0" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    try {
-      parser.parse(inputStream)
-      assertThat(true).isFalse() // Should not reach here
-    } catch (e: IllegalStateException) {
-      assertThat(e).hasMessageThat().contains("Missing name attribute")
-    }
-  }
-
-  @Test
-  fun testDuplicateClassEntry() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0"/>
-                <class name="com.example.ClassA" since="2" deprecated="0" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    try {
-      parser.parse(inputStream)
-      assertThat(true).isFalse() // Should not reach here
-    } catch (e: IllegalStateException) {
-      assertThat(e).hasMessageThat().contains("Duplicate class entry")
-    }
-  }
-
-  @Test
-  fun testDuplicateMemberEntry() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0">
-                    <field name="fieldA" since="2" deprecated="0" removed="0"/>
-                    <field name="fieldA" since="3" deprecated="0" removed="0"/>
-                </class>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    try {
-      parser.parse(inputStream)
-      assertThat(true).isFalse() // Should not reach here
-    } catch (e: IllegalStateException) {
-      assertThat(e).hasMessageThat().contains("Duplicate field entry in class com.example.ClassA")
-    }
-  }
-
-  @Test
-  fun testMultipleApiElements() {
-    val xml = """
-            <api version="33">
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0"/>
-            </api>
-            <api version="34">
-                <class name="com.example.ClassB" since="2" deprecated="0" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    val parser = ApiInfoParser()
-    assertThrows("The markup in the document following the root element must be well-formed.", XMLStreamException::class.java) {
-      parser.parse(inputStream)
-    }
-  }
-
-  @Test
-  fun testNestedClassElements() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.OuterClass" since="1" deprecated="0" removed="0">
-                    <class name="com.example.OuterClass.InnerClass" since="2" deprecated="0" removed="0"/>
-                </class>
-            </api>
-        """.trimIndent()
-
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-
-    assertThrows("<class> elements cannot be nested", IllegalStateException::class.java) {
-      parser.parse(inputStream)
-    }
-  }
-
-  @Test
-  fun testBoundaryAttributeValues() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="255" removed="0"/>
-                <class name="com.example.ClassB" since="1" deprecated="0" removed="255"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-    parser.parse(inputStream)
-
-    val classAInfo = parser.getClassInfo("com.example.ClassA")
-    assertThat(classAInfo).isNotNull()
-    assertThat(classAInfo!!.deprecatedIn).isEqualTo(255)
-
-    val classBInfo = parser.getClassInfo("com.example.ClassB")
-    assertThat(classBInfo).isNotNull()
-    assertThat(classBInfo!!.removedIn).isEqualTo(255)
-  }
-
-  @Test
-  fun testOutOfBoundaryAttributeValues() {
-    val xml = """
-            <api version="34">
-                <class name="com.example.ClassA" since="1" deprecated="256" removed="0"/>
-                <class name="com.example.ClassB" since="1" deprecated="0" removed="256"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-    assertThrows("Invalid version: 1, 256, 0", IllegalStateException::class.java) {
-      parser.parse(inputStream)
-    }
-  }
-
-  @Test
-  fun testUnexpectedElements() {
-    val xml = """
-            <api version="34">
-                <unexpectedElement name="unexpected" since="1" deprecated="0" removed="0"/>
-                <class name="com.example.ClassA" since="1" deprecated="0" removed="0"/>
-            </api>
-        """.trimIndent()
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-    parser.parse(inputStream)
-
-    val classInfo = parser.getClassInfo("com.example.ClassA")
-    assertThat(classInfo).isNotNull()
-    assertThat(classInfo!!.since).isEqualTo(1)
-  }
-
-  @Test
-  fun testEmptyXmlFile() {
-    val xml = ""
-    val inputStream = ByteArrayInputStream(xml.toByteArray())
-    parser.parse(inputStream)
-  }
-
-  @Test
-  fun testLargeInputFile() {
-    val xmlBuilder = StringBuilder()
-    xmlBuilder.append("<api version=\"34\">")
-    for (i in 1..1000) {
-      xmlBuilder.append("<class name=\"com.example.Class$i\" since=\"${(i % 254) + 1}\" />")
-    }
-    xmlBuilder.append("</api>")
-    val inputStream = ByteArrayInputStream(xmlBuilder.toString().toByteArray())
-
-    val parser = ApiInfoParser()
-    parser.parse(inputStream)
-
-    for (i in 1..1000) {
-      val classInfo = parser.getClassInfo("com.example.Class$i")
-      assertThat(classInfo).isNotNull()
-      assertThat(classInfo!!.since).isEqualTo((i % 254) + 1)
-      assertThat(classInfo.deprecatedIn).isEqualTo(0)
-      assertThat(classInfo.removedIn).isEqualTo(0)
-    }
-  }
-}