diff options
Diffstat (limited to 'src/main/java/moe/nea/zwirn')
-rw-r--r-- | src/main/java/moe/nea/zwirn/FieldSignatureFixer.java | 70 | ||||
-rw-r--r-- | src/main/java/moe/nea/zwirn/TinyDiffer.java | 14 | ||||
-rw-r--r-- | src/main/java/moe/nea/zwirn/TinyMerger.java | 31 | ||||
-rw-r--r-- | src/main/java/moe/nea/zwirn/Zwirn.java | 9 |
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(); + } + } |