Fix random mixin members not getting remapped due to concurrency issues

src/main/java/net/fabricmc/tinyremapper/extension/mixin/MixinExtension.java

@@ -18,12 +18,12 @@
 
 package net.fabricmc.tinyremapper.extension.mixin;
 
-import java.util.ArrayList;
+import java.util.Collection;
 import java.util.EnumSet;
-import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.function.Consumer;
 
 import org.objectweb.asm.ClassVisitor;
@@ -43,7 +43,7 @@
  */
 public class MixinExtension implements TinyRemapper.Extension {
 	private final Logger logger;
-	private final Map<Integer, List<Consumer<CommonData>>> tasks;
+	private final Map<Integer, Collection<Consumer<CommonData>>> tasks;
 	private final Set<AnnotationTarget> targets;
 
 	public enum AnnotationTarget {
@@ -76,7 +76,7 @@ public MixinExtension(Set<AnnotationTarget> targets) {
 
 	public MixinExtension(Set<AnnotationTarget> targets, Logger.Level logLevel) {
 		this.logger = new Logger(logLevel);
-		this.tasks = new HashMap<>();
+		this.tasks = new ConcurrentHashMap<>();
 		this.targets = targets;
 	}
 
@@ -95,8 +95,7 @@ public void attach(Builder builder) {
 	 * Hard-target: Shadow, Overwrite, Accessor, Invoker, Implements.
 	 */
 	private ClassVisitor analyzeVisitor(int mrjVersion, String className, ClassVisitor next) {
-		tasks.putIfAbsent(mrjVersion, new ArrayList<>());
-		return new HardTargetMixinClassVisitor(tasks.get(mrjVersion), next);
+		return new HardTargetMixinClassVisitor(tasks.computeIfAbsent(mrjVersion, k -> new ConcurrentLinkedQueue<>()), next);
 	}
 
 	private void stateProcessor(TrEnvironment environment) {

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/HardTargetMixinClassVisitor.java

@@ -19,6 +19,7 @@
 package net.fabricmc.tinyremapper.extension.mixin.hard;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
@@ -41,7 +42,7 @@
 import net.fabricmc.tinyremapper.extension.mixin.hard.data.SoftInterface;
 
 public class HardTargetMixinClassVisitor extends ClassVisitor {
-	private final List<Consumer<CommonData>> tasks;
+	private final Collection<Consumer<CommonData>> tasks;
 	private MxClass _class;
 
 	// @Mixin
@@ -51,7 +52,7 @@ public class HardTargetMixinClassVisitor extends ClassVisitor {
 	// @Implements
 	private final List<SoftInterface> interfaces = new ArrayList<>();
 
-	public HardTargetMixinClassVisitor(List<Consumer<CommonData>> tasks, ClassVisitor delegate) {
+	public HardTargetMixinClassVisitor(Collection<Consumer<CommonData>> tasks, ClassVisitor delegate) {
 		super(Constant.ASM_VERSION, delegate);
 		this.tasks = Objects.requireNonNull(tasks);
 	}

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/HardTargetMixinFieldVisitor.java

@@ -18,6 +18,7 @@
 
 package net.fabricmc.tinyremapper.extension.mixin.hard;
 
+import java.util.Collection;
 import java.util.List;
 import java.util.Objects;
 import java.util.function.Consumer;
@@ -32,13 +33,13 @@
 import net.fabricmc.tinyremapper.extension.mixin.hard.annotation.ShadowAnnotationVisitor;
 
 class HardTargetMixinFieldVisitor extends FieldVisitor {
-	private final List<Consumer<CommonData>> tasks;
+	private final Collection<Consumer<CommonData>> tasks;
 	private final MxMember field;
 
 	private final boolean remap;
 	private final List<String> targets;
 
-	HardTargetMixinFieldVisitor(List<Consumer<CommonData>> tasks, FieldVisitor delegate, MxMember field,
+	HardTargetMixinFieldVisitor(Collection<Consumer<CommonData>> tasks, FieldVisitor delegate, MxMember field,
 								boolean remap, List<String> targets) {
 		super(Constant.ASM_VERSION, delegate);
 		this.tasks = Objects.requireNonNull(tasks);

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/HardTargetMixinMethodVisitor.java

@@ -18,6 +18,7 @@
 
 package net.fabricmc.tinyremapper.extension.mixin.hard;
 
+import java.util.Collection;
 import java.util.List;
 import java.util.Objects;
 import java.util.function.Consumer;
@@ -35,13 +36,13 @@
 import net.fabricmc.tinyremapper.extension.mixin.hard.annotation.ShadowAnnotationVisitor;
 
 class HardTargetMixinMethodVisitor extends MethodVisitor {
-	private final List<Consumer<CommonData>> data;
+	private final Collection<Consumer<CommonData>> data;
 	private final MxMember method;
 
 	private final boolean remap;
 	private final List<String> targets;
 
-	HardTargetMixinMethodVisitor(List<Consumer<CommonData>> data, MethodVisitor delegate, MxMember method, boolean remap, List<String> targets) {
+	HardTargetMixinMethodVisitor(Collection<Consumer<CommonData>> data, MethodVisitor delegate, MxMember method, boolean remap, List<String> targets) {
 		super(Constant.ASM_VERSION, delegate);
 		this.data = Objects.requireNonNull(data);
 		this.method = Objects.requireNonNull(method);

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/annotation/AccessorAnnotationVisitor.java

@@ -42,14 +42,14 @@
  * do not lower the first character of the remaining part.
  */
 public class AccessorAnnotationVisitor extends AnnotationVisitor {
-	private final List<Consumer<CommonData>> tasks;
+	private final Collection<Consumer<CommonData>> tasks;
 	private final MxMember method;
 	private final List<String> targets;
 
 	private boolean remap;
 	private boolean isSoftTarget;
 
-	public AccessorAnnotationVisitor(List<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember method, boolean remap, List<String> targets) {
+	public AccessorAnnotationVisitor(Collection<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember method, boolean remap, List<String> targets) {
 		super(Constant.ASM_VERSION, delegate);
 
 		this.tasks = Objects.requireNonNull(tasks);

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/annotation/ImplementsAnnotationVisitor.java

@@ -81,7 +81,7 @@ public AnnotationVisitor visitAnnotation(String name, String descriptor) {
 		}
 	}
 
-	public static void visitMethod(List<Consumer<CommonData>> tasks, MxMember method, List<SoftInterface> interfaces) {
+	public static void visitMethod(Collection<Consumer<CommonData>> tasks, MxMember method, List<SoftInterface> interfaces) {
 		tasks.add(data -> new SoftImplementsMappable(data, method, interfaces).result());
 	}
 

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/annotation/InvokerAnnotationVisitor.java

@@ -40,14 +40,14 @@
  * do not lower the first character of the remaining part.
  */
 public class InvokerAnnotationVisitor extends AnnotationVisitor {
-	private final List<Consumer<CommonData>> tasks;
+	private final Collection<Consumer<CommonData>> tasks;
 	private final MxMember method;
 	private final List<String> targets;
 
 	private boolean remap;
 	private boolean isSoftTarget;
 
-	public InvokerAnnotationVisitor(List<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember method, boolean remap, List<String> targets) {
+	public InvokerAnnotationVisitor(Collection<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember method, boolean remap, List<String> targets) {
 		super(Constant.ASM_VERSION, delegate);
 
 		this.tasks = Objects.requireNonNull(tasks);

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/annotation/OverwriteAnnotationVisitor.java

@@ -38,13 +38,13 @@
  * an error message will show up and the behaviour is undefined.
  */
 public class OverwriteAnnotationVisitor extends AnnotationVisitor {
-	private final List<Consumer<CommonData>> tasks;
+	private final Collection<Consumer<CommonData>> tasks;
 	private final MxMember method;
 	private final List<String> targets;
 
 	private boolean remap;
 
-	public OverwriteAnnotationVisitor(List<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember method, boolean remap, List<String> targets) {
+	public OverwriteAnnotationVisitor(Collection<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember method, boolean remap, List<String> targets) {
 		super(Constant.ASM_VERSION, delegate);
 
 		this.tasks = Objects.requireNonNull(tasks);

src/main/java/net/fabricmc/tinyremapper/extension/mixin/hard/annotation/ShadowAnnotationVisitor.java

@@ -40,14 +40,14 @@
  * If a prefix is detected, will only attempt to match the prefix-stripped name.
  */
 public class ShadowAnnotationVisitor extends AnnotationVisitor {
-	private final List<Consumer<CommonData>> tasks;
+	private final Collection<Consumer<CommonData>> tasks;
 	private final MxMember member;
 	private final List<String> targets;
 
 	private boolean remap;
 	private String prefix;
 
-	public ShadowAnnotationVisitor(List<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember member, boolean remap, List<String> targets) {
+	public ShadowAnnotationVisitor(Collection<Consumer<CommonData>> tasks, AnnotationVisitor delegate, MxMember member, boolean remap, List<String> targets) {
 		super(Constant.ASM_VERSION, delegate);
 		this.tasks = Objects.requireNonNull(tasks);
 		this.member = Objects.requireNonNull(member);