feat: Add patch annotation processor

build.gradle.kts

@@ -1,58 +1,4 @@
 plugins {
-    kotlin("jvm") version "1.8.20"
-    `maven-publish`
+    kotlin("jvm") version "1.9.0" apply false
     alias(libs.plugins.binary.compatibility.validator)
 }
-
-group = "app.revanced"
-
-dependencies {
-    implementation(libs.kotlinx.coroutines.core)
-    implementation(libs.xpp3)
-    implementation(libs.smali)
-    implementation(libs.multidexlib2)
-    implementation(libs.apktool.lib)
-    implementation(libs.kotlin.reflect)
-
-    compileOnly(libs.android)
-
-    testImplementation(libs.kotlin.test)
-}
-
-tasks {
-    test {
-        useJUnitPlatform()
-        testLogging {
-            events("PASSED", "SKIPPED", "FAILED")
-        }
-    }
-
-    processResources {
-        expand("projectVersion" to project.version)
-    }
-}
-
-kotlin { jvmToolchain(11) }
-
-java {
-    withSourcesJar()
-}
-
-publishing {
-    repositories {
-        mavenLocal()
-        maven {
-            name = "GitHubPackages"
-            url = uri("https://maven.pkg.github.com/revanced/revanced-patcher")
-            credentials {
-                username = System.getenv("GITHUB_ACTOR")
-                password = System.getenv("GITHUB_TOKEN")
-            }
-        }
-    }
-    publications {
-        create<MavenPublication>("gpr") {
-            from(components["java"])
-        }
-    }
-}

gradle/libs.versions.toml

@@ -6,8 +6,12 @@ kotlin-test = "1.8.20-RC"
 kotlinx-coroutines-core = "1.7.1"
 multidexlib2 = "3.0.3.r2"
 smali = "3.0.3"
+symbol-processing-api = "1.9.0-1.0.11"
 xpp3 = "1.1.4c"
 binary-compatibility-validator = "0.13.2"
+kotlin-compile-testing-ksp = "1.5.0"
+kotlinpoet-ksp = "1.14.2"
+ksp = "1.9.0-1.0.11"
 
 [libraries]
 android = { module = "com.google.android:android", version.ref = "android" }
@@ -17,7 +21,11 @@ kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotl
 kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines-core" }
 multidexlib2 = { module = "app.revanced:multidexlib2", version.ref = "multidexlib2" }
 smali = { module = "com.android.tools.smali:smali", version.ref = "smali" }
+symbol-processing-api = { module = "com.google.devtools.ksp:symbol-processing-api", version.ref = "symbol-processing-api" }
 xpp3 = { module = "xpp3:xpp3", version.ref = "xpp3" }
+kotlin-compile-testing = { module = "com.github.tschuchortdev:kotlin-compile-testing-ksp", version.ref = "kotlin-compile-testing-ksp" }
+kotlinpoet-ksp = { module = "com.squareup:kotlinpoet-ksp", version.ref = "kotlinpoet-ksp" }
 
 [plugins]
 binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version.ref = "binary-compatibility-validator" }
+ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }

revanced-patch-annotations-processor/api/revanced-patch-annotations-processor.api

@@ -0,0 +1,25 @@
+public abstract interface annotation class app/revanced/patcher/patch/annotations/CompatiblePackage : java/lang/annotation/Annotation {
+	public abstract fun name ()Ljava/lang/String;
+	public abstract fun versions ()[Ljava/lang/String;
+}
+
+public abstract interface annotation class app/revanced/patcher/patch/annotations/Patch : java/lang/annotation/Annotation {
+	public abstract fun compatiblePackages ()[Lapp/revanced/patcher/patch/annotations/CompatiblePackage;
+	public abstract fun dependencies ()[Ljava/lang/Class;
+	public abstract fun description ()Ljava/lang/String;
+	public abstract fun name ()Ljava/lang/String;
+	public abstract fun requiresIntegrations ()Z
+	public abstract fun use ()Z
+}
+
+public final class app/revanced/patcher/patch/annotations/processor/PatchProcessor : com/google/devtools/ksp/processing/SymbolProcessor {
+	public fun <init> (Lcom/google/devtools/ksp/processing/CodeGenerator;Lcom/google/devtools/ksp/processing/KSPLogger;)V
+	public fun process (Lcom/google/devtools/ksp/processing/Resolver;)Ljava/util/List;
+}
+
+public final class app/revanced/patcher/patch/annotations/processor/PatchProcessorProvider : com/google/devtools/ksp/processing/SymbolProcessorProvider {
+	public fun <init> ()V
+	public fun create (Lcom/google/devtools/ksp/processing/SymbolProcessorEnvironment;)Lapp/revanced/patcher/patch/annotations/processor/PatchProcessor;
+	public synthetic fun create (Lcom/google/devtools/ksp/processing/SymbolProcessorEnvironment;)Lcom/google/devtools/ksp/processing/SymbolProcessor;
+}
+

revanced-patch-annotations-processor/build.gradle.kts

@@ -0,0 +1,50 @@
+plugins {
+    kotlin("jvm") version "1.9.0"
+    `maven-publish`
+    alias(libs.plugins.ksp)
+}
+
+group = "app.revanced"
+
+dependencies {
+    implementation(libs.symbol.processing.api)
+    implementation(libs.kotlinpoet.ksp)
+    implementation(project(":revanced-patcher"))
+
+    testImplementation(libs.kotlin.test)
+    testImplementation(libs.kotlin.compile.testing)
+}
+
+tasks {
+    test {
+        useJUnitPlatform()
+        testLogging {
+            events("PASSED", "SKIPPED", "FAILED")
+        }
+    }
+}
+
+kotlin { jvmToolchain(11) }
+
+java {
+    withSourcesJar()
+}
+
+publishing {
+    repositories {
+        mavenLocal()
+        maven {
+            name = "GitHubPackages"
+            url = uri("https://maven.pkg.github.com/revanced/revanced-patch-annotations-processor")
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
+    }
+    publications {
+        create<MavenPublication>("gpr") {
+            from(components["java"])
+        }
+    }
+}

revanced-patch-annotations-processor/settings.gradle.kts

@@ -0,0 +1,2 @@
+rootProject.name = "revanced-patch-annotations-processor"
+

revanced-patch-annotations-processor/src/main/kotlin/app/revanced/patcher/patch/annotations/PatchAnnotations.kt

@@ -0,0 +1,38 @@
+package app.revanced.patcher.patch.annotations
+
+import java.lang.annotation.Inherited
+import kotlin.reflect.KClass
+
+/**
+ * Annotation for [app.revanced.patcher.patch.Patch] classes.
+ *
+ * @param name The name of the patch. If empty, the patch will be unnamed.
+ * @param description The description of the patch. If empty, no description will be used.
+ * @param dependencies The patches this patch depends on.
+ * @param compatiblePackages The packages this patch is compatible with.
+ * @param use Whether this patch should be used.
+ * @param requiresIntegrations Whether this patch requires integrations.
+ */
+@Retention(AnnotationRetention.SOURCE)
+@Target(AnnotationTarget.CLASS)
+@Inherited
+annotation class Patch(
+    val name: String = "",
+    val description: String = "",
+    val dependencies: Array<KClass<out app.revanced.patcher.patch.Patch<*>>> = [],
+    val compatiblePackages: Array<CompatiblePackage> = [],
+    val use: Boolean = true,
+    // TODO: Remove this property, once integrations are coupled with patches.
+    val requiresIntegrations: Boolean = false,
+)
+
+/**
+ * A package that a [app.revanced.patcher.patch.Patch] is compatible with.
+ *
+ * @param name The name of the package.
+ * @param versions The versions of the package.
+ */
+annotation class CompatiblePackage(
+    val name: String,
+    val versions: Array<String> = [],
+)