Merge pull request 'using parchment: parameter names & javadoc; use vineflower for source generation' (#1) from parchment into mistress

Reviewed-on: https://git-esnesnon.ecorous.org/esnesnon/nonsense-gradle/pulls/1
Reviewed-by: Ecorous <ecorous@outlook.com>

build.gradle.kts

@@ -21,7 +21,7 @@ repositories {
 }
 
 dependencies {
-    implementation("org.ecorous.esnesnon:mojmap-patcher:1.0.0-SNAPSHOT")
+    implementation("org.ecorous.esnesnon:nonsense-remapper:1.0.0-SNAPSHOT")
     implementation("com.google.code.gson:gson:2.10.1")
     implementation("org.vineflower:vineflower:1.10.1")
     testImplementation(kotlin("test"))

src/main/kotlin/org/ecorous/esnesnon/gradle/NonsenseGradlePlugin.kt

@@ -2,12 +2,14 @@ package org.ecorous.esnesnon.gradle
 
 import net.fabricmc.fernflower.api.IFabricJavadocProvider
 import org.ecorous.esnesnon.gradle.vineflower.ParchmentJavadocProvider
+import org.ecorous.esnesnon.nonsense_remapper.provider.ParchmentProvider
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.jetbrains.java.decompiler.main.decompiler.BaseDecompiler
+import org.jetbrains.java.decompiler.main.Fernflower
 import org.jetbrains.java.decompiler.main.decompiler.PrintStreamLogger
 import org.jetbrains.java.decompiler.main.decompiler.SingleFileSaver
 import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences
+import java.io.PrintStream
 import java.net.URI
 import java.nio.file.Path
 import kotlin.io.path.deleteExisting
@@ -41,21 +43,30 @@ class NonsenseGradlePlugin : Plugin<Project> {
             }
         }
 
-
-
         project.task("genSources").apply {
             group = "nonsense"
             doFirst {
                 val fileName = remappedGameJarPath.fileName.toString()
-                val output = remappedGameJarPath.resolveSibling(fileName.substring(0, fileName.length-4)+"-sources.jar")
-                if (output.exists()){
+                val output =
+                    remappedGameJarPath.resolveSibling(fileName.substring(0, fileName.length - 13) + "-sources.jar")
+                if (output.exists()) {
                     println("Output $output already exists, deleting!")
                     output.deleteExisting()
                 }
+                val options = mutableMapOf<String, Any>()
+                println("Preparing Parchment...")
+                val parchment = ParchmentProvider.getParchment(
+                    minecraftVersion,
+                    parchmentVersion,
+                    project.gradle.gradleUserHomeDir.resolve("nonsense-gradle/org/parchmentmc/parchment/$minecraftVersion/$parchmentVersion/")
+                        .toPath()
+                )
+                options[IFabricJavadocProvider.PROPERTY_NAME] = ParchmentJavadocProvider(parchment)
+
                 println("Decompiling...")
-                val logger = PrintStreamLogger(System.out)
-                val options = mapOf(
-                    IFabricJavadocProvider.PROPERTY_NAME to ParchmentJavadocProvider(),
+                val logger = PrintStreamLogger(PrintStream(System.out))
+                options.putAll(
+                    mapOf(
                         IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES to "1",
                         IFernflowerPreferences.BYTECODE_SOURCE_MAPPING to "1",
                         IFernflowerPreferences.REMOVE_SYNTHETIC to "1",
@@ -63,14 +74,15 @@ class NonsenseGradlePlugin : Plugin<Project> {
                         IFernflowerPreferences.THREADS to Runtime.getRuntime().availableProcessors().toString(),
                         IFernflowerPreferences.INDENT_STRING to "\t"
                     )
+                )
 
-                val decomp = BaseDecompiler(SingleFileSaver(output.toFile()),
-                    options, logger)
+                val decomp = Fernflower(
+                    SingleFileSaver(output.toFile()),
+                    options, logger
+                )
                 decomp.addSource(remappedGameJarPath.toFile())
 
                 decomp.decompileContext()
-                println("Setting up nonsense...")
-                println("Imagine actually doing stuff")
             }
         }
 
@@ -89,5 +101,6 @@ class NonsenseGradlePlugin : Plugin<Project> {
     companion object {
         lateinit var minecraftVersion: String
         lateinit var remappedGameJarPath: Path
+        lateinit var parchmentVersion: String
     }
 }

src/main/kotlin/org/ecorous/esnesnon/gradle/VersionChecker.kt

@@ -28,14 +28,24 @@ object VersionChecker {
         }
         downloadDirectory.createDirectories()
         val raw = rawDownload(clientData.url)
-        if (!downloadFile.exists()) {
-            downloadFile.createFile()
-        }
         downloadFile.writeBytes(raw)
+        savePomFile(version, downloadDirectory)
         println("Downloaded client to $downloadFile")
         return downloadFile
     }
 
+    private fun savePomFile(version: String, dir: Path){
+        val content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
+                "<project xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\" xmlns=\"http://maven.apache.org/POM/4.0.0\"\n" +
+                "\t\t xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n" +
+                "\t<modelVersion>4.0.0</modelVersion>\n" +
+                "\t<groupId>net.minecraft</groupId>\n" +
+                "\t<artifactId>client</artifactId>\n" +
+                "\t<version>$version</version>\n" +
+                "</project>"
+        dir.resolve("client-$version.pom").writeText(content)
+    }
+
     fun getDependencies(version: String, action: (String) -> Unit)  {
         fetchVersionData(version).libraries.map { it.name }.forEach {
             action.invoke(it)

src/main/kotlin/org/ecorous/esnesnon/gradle/ext/Stuff.kt

@@ -2,13 +2,21 @@ package org.ecorous.esnesnon.gradle.ext
 
 import org.ecorous.esnesnon.gradle.NonsenseGradlePlugin
 import org.ecorous.esnesnon.gradle.VersionChecker
-import org.ecorous.esnesnon.mojmap_patcher.MojMapPatcher
+import org.ecorous.esnesnon.nonsense_remapper.NonsenseRemapper
+import org.ecorous.esnesnon.nonsense_remapper.api.Mapper
+import org.ecorous.esnesnon.nonsense_remapper.parser.ProguardParser
+import org.ecorous.esnesnon.nonsense_remapper.provider.MojmapProvider
+import org.ecorous.esnesnon.nonsense_remapper.provider.ParchmentProvider
 import org.gradle.api.Project
 import kotlin.io.path.notExists
 
-fun Project.minecraft(version: String) {
+fun Project.minecraft(
+    version: String,
+    parchmentVersion: String = ParchmentProvider.findForMinecraftVersion(version)
+): Project { // return self to allow for chaining
     if (VersionChecker.validateVersion(version)) {
         NonsenseGradlePlugin.minecraftVersion = version
+        NonsenseGradlePlugin.parchmentVersion = parchmentVersion
         println("Valid version! $version")
         val clientData = VersionChecker.fetchClientDownload(version)
         println("Client data: ${clientData.url}")
@@ -20,15 +28,23 @@ fun Project.minecraft(version: String) {
         NonsenseGradlePlugin.remappedGameJarPath = remappedJar
         println("Time to setup Minecraft!")
         if (remappedJar.notExists()) {
-            MojMapPatcher.run(version, clientJar, remappedJar, true)
+            val mapper = Mapper(ProguardParser.read(MojmapProvider.get(version).orElseThrow()).reverse())
+            val paramMappings = ParchmentProvider.getParchment(
+                version, parchmentVersion,
+                gradle.gradleUserHomeDir.resolve("nonsense-gradle/org/parchmentmc/parchment/$version/$parchmentVersion")
+                    .toPath()
+            )
+            NonsenseRemapper.remap(mapper, clientJar, remappedJar, true, paramMappings)
         }
-        VersionChecker.getDependencies(version){
+        VersionChecker.getDependencies(version) {
             dependencies.add("implementation", it)
         }
-        dependencies.add("implementation", files(remappedJar))
+        dependencies.add("implementation", "net.minecraft:client:$version:remapped")
+        //dependencies.add("implementation", files(remappedJar))
     } else {
         println("Invalid version! $version")
         error("Invalid minecraft version provided: $version")
     }
     println("Minecraft!")
+    return this
 }

src/main/kotlin/org/ecorous/esnesnon/gradle/vineflower/ParchmentJavadocProvider.kt

@@ -1,20 +1,25 @@
 package org.ecorous.esnesnon.gradle.vineflower
 
 import net.fabricmc.fernflower.api.IFabricJavadocProvider
+import org.ecorous.esnesnon.nonsense_remapper.api.data.Parchment
 import org.jetbrains.java.decompiler.struct.StructClass
 import org.jetbrains.java.decompiler.struct.StructField
 import org.jetbrains.java.decompiler.struct.StructMethod
 
-class ParchmentJavadocProvider : IFabricJavadocProvider {
-    override fun getClassDoc(structClass: StructClass): String {
-        return ""
+class ParchmentJavadocProvider(private val parchment: Parchment) : IFabricJavadocProvider {
+    override fun getClassDoc(structClass: StructClass): String? {
+        return parchment.getClass(structClass.qualifiedName).orElse(null)?.javadoc?.joinToString { "\n" }
     }
 
-    override fun getFieldDoc(structClass: StructClass, structField: StructField): String {
-        return ""
+    override fun getFieldDoc(structClass: StructClass, structField: StructField): String? {
+        return parchment.getClass(structClass.qualifiedName)
+            .flatMap { it.getField(structField.name, structField.descriptor) }
+            .orElse(null)?.javadoc?.joinToString { "\n" }
     }
 
-    override fun getMethodDoc(structClass: StructClass, structMethod: StructMethod): String {
-        return ""
+    override fun getMethodDoc(structClass: StructClass, structMethod: StructMethod): String? {
+        return parchment.getClass(structClass.qualifiedName)
+            .flatMap { it.getMethod(structMethod.name, structMethod.descriptor) }
+            .orElse(null)?.javadoc?.joinToString { "\n" }
     }
 }