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-rw-r--r--src/main/java/moe/nea/zwirn/FieldSignatureFixer.java70
-rw-r--r--src/main/java/moe/nea/zwirn/TinyDiffer.java14
-rw-r--r--src/main/java/moe/nea/zwirn/TinyMerger.java31
-rw-r--r--src/main/java/moe/nea/zwirn/Zwirn.java9
4 files changed, 113 insertions, 11 deletions
diff --git a/src/main/java/moe/nea/zwirn/FieldSignatureFixer.java b/src/main/java/moe/nea/zwirn/FieldSignatureFixer.java
new file mode 100644
index 0000000..7554a42
--- /dev/null
+++ b/src/main/java/moe/nea/zwirn/FieldSignatureFixer.java
@@ -0,0 +1,70 @@
+package moe.nea.zwirn;
+
+import net.fabricmc.stitch.commands.tinyv2.TinyClass;
+import net.fabricmc.stitch.commands.tinyv2.TinyField;
+import net.fabricmc.stitch.commands.tinyv2.TinyFile;
+import org.jetbrains.annotations.NotNull;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.Opcodes;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public class FieldSignatureFixer {
+ private final TinyFile tinyFile;
+ private final Path classRoot;
+
+ public FieldSignatureFixer(@NotNull TinyFile tinyFile, @NotNull Path classRoot) {
+ this.tinyFile = tinyFile;
+ this.classRoot = classRoot;
+ }
+
+ public TinyFile fix() {
+ return new TinyFile(tinyFile.getHeader(),
+ tinyFile.getClassEntries().stream().map(this::fixClass).collect(Collectors.toList())
+ );
+ }
+
+ private TinyClass fixClass(TinyClass tinyClass) {
+ var path = tinyClass.getClassNames().get(0).replace('.', '/') + ".class";
+ var classPath = classRoot.resolve(path);
+ Map<String, String> fieldNameToDescriptorMap = new HashMap<>();
+ if (Files.exists(classPath))
+ try (var is = Files.newInputStream(classPath)) {
+ var reader = new ClassReader(is);
+ var visitor = new FieldSignatureVisitor();
+ reader.accept(visitor, 0);
+ fieldNameToDescriptorMap.putAll(visitor.fieldNameToDescriptorMap);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ return new TinyClass(
+ tinyClass.getClassNames(),
+ tinyClass.getMethods(),
+ tinyClass.getFields().stream()
+ .map(it -> new TinyField(fieldNameToDescriptorMap.get(it.getFieldNames().get(0)), it.getFieldNames(), it.getComments()))
+ .collect(Collectors.toList()),
+ tinyClass.getComments()
+ );
+ }
+
+ static class FieldSignatureVisitor extends ClassVisitor {
+ protected FieldSignatureVisitor() {
+ super(Opcodes.ASM9);
+ }
+
+ public Map<String, String> fieldNameToDescriptorMap = new HashMap<>();
+
+ @Override
+ public FieldVisitor visitField(int access, String name, String descriptor, String signature, Object value) {
+ fieldNameToDescriptorMap.put(name, descriptor);
+ return super.visitField(access, name, descriptor, signature, value);
+ }
+ }
+}
diff --git a/src/main/java/moe/nea/zwirn/TinyDiffer.java b/src/main/java/moe/nea/zwirn/TinyDiffer.java
index 2c274f7..5a3c20d 100644
--- a/src/main/java/moe/nea/zwirn/TinyDiffer.java
+++ b/src/main/java/moe/nea/zwirn/TinyDiffer.java
@@ -9,6 +9,8 @@ import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.stream.Collectors;
+import static moe.nea.zwirn.ZwirnUtil.TODO;
+
public class TinyDiffer {
private final TinyFile base;
private final TinyFile overlay;
@@ -27,6 +29,8 @@ public class TinyDiffer {
retainedToNormalLookup = retainedNamespaces.stream()
.mapToInt(it -> base.getHeader().getNamespaces().indexOf(it))
.toArray();
+ if (baseSharedIndex != 0 || overlaySharedIndex != 0)
+ TODO("add support for remapping descriptors");
}
@@ -158,7 +162,10 @@ public class TinyDiffer {
@Nullable TinyClass overlayClass) {
var names = diffNamesWithMappings(baseClass, overlayClass);
var fields = diffChildrenByMapping(baseClass, overlayClass, TinyClass::getFields, this::diffField);
- var methods = diffChildrenByMapping(baseClass, overlayClass, TinyClass::getMethods, this::diffMethod);
+ var methods = diffChildren(baseClass, overlayClass,
+ it -> it.getMethodNames().get(baseSharedIndex) + it.getMethodDescriptorInFirstNamespace(),
+ it -> it.getMethodNames().get(overlaySharedIndex) + it.getMethodDescriptorInFirstNamespace(),
+ TinyClass::getMethods, this::diffMethod);
var comments = diffComments(baseClass, overlayClass, TinyClass::getComments);
return Retained.keep(
new TinyClass(
@@ -181,6 +188,7 @@ public class TinyDiffer {
return Retained.empty(new ArrayList<>(commentExtractor.apply(baseObject)));
var comments = new ArrayList<>(commentExtractor.apply(overlayObject));
comments.removeAll(commentExtractor.apply(baseObject));
+ comments.removeIf(String::isEmpty);
if (comments.isEmpty())
return Retained.empty(comments);
return Retained.strong(comments);
@@ -193,7 +201,7 @@ public class TinyDiffer {
var comments = diffComments(baseMethod, overlayMethod, TinyMethod::getComments);
return Retained.keep(
new TinyMethod(
- names.diff.get(0),
+ baseMethod.getMethodDescriptorInFirstNamespace(),
names.diff,
params.diff,
variables.diff,
@@ -253,7 +261,7 @@ public class TinyDiffer {
var comments = diffComments(baseField, overlayField, TinyField::getComments);
return Retained.keep(
new TinyField(
- names.diff.get(0),
+ baseField.getFieldDescriptorInFirstNamespace(),
names.diff,
comments.diff
),
diff --git a/src/main/java/moe/nea/zwirn/TinyMerger.java b/src/main/java/moe/nea/zwirn/TinyMerger.java
index 6a1c5ab..2b3d4cc 100644
--- a/src/main/java/moe/nea/zwirn/TinyMerger.java
+++ b/src/main/java/moe/nea/zwirn/TinyMerger.java
@@ -19,7 +19,8 @@ class TinyMerger {
private final @NotNull Map<@NotNull String, @NotNull TinyClass> baseLUT;
private final Integer[] baseToOverlayIndexMap;
private final @NotNull List<@NotNull TinyClass> entries = new ArrayList<>();
- private final SimpleRemapper remapper;
+ private final SimpleRemapper remapperBase;
+ private final SimpleRemapper remapperOverlay;
public TinyMerger(TinyFile base, TinyFile overlay, String sharedNamespace) {
this.base = base;
@@ -35,12 +36,15 @@ class TinyMerger {
.stream().map(it -> overlay.getHeader().getNamespaces().indexOf(it))
.map(it -> it < 0 ? null : it)
.toArray(Integer[]::new);
- remapper = new SimpleRemapper(classOnlyMerge(), "__old", base.getHeader().getNamespaces().get(0));
+ var classMerged = classOnlyMerge();
+ remapperBase = new SimpleRemapper(classMerged, "__old_base", base.getHeader().getNamespaces().get(0));
+ remapperOverlay = new SimpleRemapper(classMerged, "__old_shared", base.getHeader().getNamespaces().get(0));
}
public TinyFile classOnlyMerge() {
List<String> namespaces = new ArrayList<>();
- namespaces.add("__old");
+ namespaces.add("__old_base");
+ namespaces.add("__old_shared");
namespaces.addAll(base.getHeader().getNamespaces());
return new TinyFile(
new TinyHeader(namespaces, 2, 0, new HashMap<>()),
@@ -52,7 +56,16 @@ class TinyMerger {
TinyFile::getClassEntries,
(tinyClass, tinyClass2) -> {
List<String> mergedNames = new ArrayList<>();
- mergedNames.add(tinyClass.getClassNames().get(0));
+ if (tinyClass != null) {
+ mergedNames.add(tinyClass.getClassNames().get(baseSharedIndex));
+ } else {
+ mergedNames.add(tinyClass2.getClassNames().get(overlaySharedIndex));
+ }
+ if (tinyClass2 != null) {
+ mergedNames.add(tinyClass2.getClassNames().get(overlaySharedIndex));
+ } else {
+ mergedNames.add(tinyClass.getClassNames().get(baseSharedIndex));
+ }
mergedNames.addAll(mergeNames(tinyClass, tinyClass2, TinyClass::getClassNames));
return new TinyClass(mergedNames);
}
@@ -137,7 +150,8 @@ class TinyMerger {
private TinyField mergeField(@Nullable TinyField baseField, @Nullable TinyField overlayField) {
var mergedNames = mergeNames(baseField, overlayField, TinyField::getFieldNames);
return new TinyField(
- remapper.remapFieldDescriptor(baseField != null ? baseField.getFieldDescriptorInFirstNamespace() : overlayField.getFieldDescriptorInFirstNamespace()),
+ baseField != null ? remapperBase.remapFieldDescriptor(baseField.getFieldDescriptorInFirstNamespace())
+ : remapperOverlay.remapFieldDescriptor(overlayField.getFieldDescriptorInFirstNamespace()),
mergedNames,
mergeComments(baseField, overlayField, TinyField::getComments)
);
@@ -145,8 +159,8 @@ class TinyMerger {
private Collection<TinyMethod> mergeMethods(@Nullable TinyClass baseClass, @Nullable TinyClass overlayClass) {
return mergeChildren(baseClass, overlayClass,
- it -> it.getMethodNames().get(baseSharedIndex),
- it -> it.getMethodNames().get(overlaySharedIndex),
+ it -> it.getMethodNames().get(baseSharedIndex) + remapperBase.remapMethodDescriptor(it.getMethodDescriptorInFirstNamespace()),
+ it -> it.getMethodNames().get(overlaySharedIndex) + remapperOverlay.remapMethodDescriptor(it.getMethodDescriptorInFirstNamespace()),
TinyClass::getMethods,
this::mergeMethod);
}
@@ -154,7 +168,8 @@ class TinyMerger {
private @NotNull TinyMethod mergeMethod(@Nullable TinyMethod baseMethod, @Nullable TinyMethod overlayMethod) {
var mergedNames = mergeNames(baseMethod, overlayMethod, TinyMethod::getMethodNames);
return new TinyMethod(
- remapper.remapMethodDescriptor(baseMethod != null ? baseMethod.getMethodDescriptorInFirstNamespace() : overlayMethod.getMethodDescriptorInFirstNamespace()),
+ (baseMethod != null ? remapperBase.remapMethodDescriptor(baseMethod.getMethodDescriptorInFirstNamespace())
+ : remapperOverlay.remapMethodDescriptor(overlayMethod.getMethodDescriptorInFirstNamespace())),
mergedNames,
mergeChildren(baseMethod, overlayMethod,
TinyMethodParameter::getLvIndex,
diff --git a/src/main/java/moe/nea/zwirn/Zwirn.java b/src/main/java/moe/nea/zwirn/Zwirn.java
index b3a4956..86cb948 100644
--- a/src/main/java/moe/nea/zwirn/Zwirn.java
+++ b/src/main/java/moe/nea/zwirn/Zwirn.java
@@ -1,12 +1,16 @@
package moe.nea.zwirn;
+import net.fabricmc.stitch.commands.tinyv2.TinyClass;
import net.fabricmc.stitch.commands.tinyv2.TinyFile;
+import net.fabricmc.stitch.commands.tinyv2.TinyHeader;
import org.jetbrains.annotations.NotNull;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.HashMap;
import java.util.List;
public class Zwirn {
@@ -67,4 +71,9 @@ public class Zwirn {
throw new IllegalArgumentException("Shared namespace must be retained");
return new TinyDiffer(base, overlay, retainedNamespaces).createDiff();
}
+
+ public static @NotNull TinyFile fixFieldDescriptorsFromJar(@NotNull TinyFile tinyFile, @NotNull Path classRoot) {
+ return new FieldSignatureFixer(tinyFile, classRoot).fix();
+ }
+
}