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Debug hell. Reversible/Swappable components
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@XiaoPangxie732
XiaoPangxie732 committed Jan 30, 2025
1 parent d3814bc commit 1dce54c
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Showing 21 changed files with 292 additions and 136 deletions.
4 changes: 2 additions & 2 deletions ...t/src/main/java/cn/maxpixel/mcdecompiler/mapping/parchment/ParchmentMappingGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@ private static void writeClasses(ClassifiedMapping<PairedMapping> mappings, Json
.name(KEY_NAME)
.value(field.unmappedName)
.name(KEY_DESCRIPTOR)
.value(field.getComponent(Descriptor.class).unmappedDescriptor);
.value(field.getComponent(Descriptor.Unmapped.class).descriptor);
writeDoc(field, writer);
writer.endObject();
}
Expand All @@ -88,7 +88,7 @@ private static void writeClasses(ClassifiedMapping<PairedMapping> mappings, Json
.name(KEY_NAME)
.value(method.unmappedName)
.name(KEY_DESCRIPTOR)
.value(method.getComponent(Descriptor.class).unmappedDescriptor);
.value(method.getComponent(Descriptor.Unmapped.class).descriptor);
writeDoc(method, writer);
writeParams(writer, method);
writer.endObject();
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8 changes: 4 additions & 4 deletions ...t/src/main/java/cn/maxpixel/mcdecompiler/mapping/parchment/ParchmentMappingProcessor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -139,12 +139,12 @@ private static void handleMethods(JsonReader reader, ClassMapping<PairedMapping>
reader.beginObject();

PairedMapping method = null;
Descriptor mDesc = null;
Descriptor.Unmapped mDesc = null;
Documented mDoc = null;
LocalVariableTable.Paired lvt = null;
while (reader.peek() == JsonToken.NAME) switch (reader.nextName()) {
case KEY_NAME -> method = new PairedMapping(reader.nextString());
case KEY_DESCRIPTOR -> mDesc = new Descriptor(reader.nextString());
case KEY_DESCRIPTOR -> mDesc = new Descriptor.Unmapped(reader.nextString());
case KEY_JAVADOC -> mDoc = handleDocs(reader);
case KEY_PARAMETERS -> lvt = handleParameters(reader);
default -> reader.skipValue();
Expand All @@ -166,11 +166,11 @@ private static void handleFields(JsonReader reader, ClassMapping<PairedMapping>
reader.beginObject();

PairedMapping field = null;
Descriptor fDesc = null;
Descriptor.Unmapped fDesc = null;
Documented fDoc = null;
while (reader.peek() == JsonToken.NAME) switch (reader.nextName()) {
case KEY_NAME -> field = new PairedMapping(reader.nextString());
case KEY_DESCRIPTOR -> fDesc = new Descriptor(reader.nextString());
case KEY_DESCRIPTOR -> fDesc = new Descriptor.Unmapped(reader.nextString());
case KEY_JAVADOC -> fDoc = handleDocs(reader);
default -> reader.skipValue();
}
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14 changes: 12 additions & 2 deletions ...nt/src/test/java/cn/maxpixel/mcdecompiler/test/mapping/parchment/ParchmentFormatTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
package cn.maxpixel.mcdecompiler.test.mapping.parchment;

import cn.maxpixel.mcdecompiler.api.extension.ExtensionManager;
import cn.maxpixel.mcdecompiler.common.app.util.FileUtil;
import cn.maxpixel.mcdecompiler.common.util.Utils;
import cn.maxpixel.mcdecompiler.mapping.format.MappingFormats;
import cn.maxpixel.mcdecompiler.mapping.parchment.FormatVersion;
Expand Down Expand Up @@ -65,14 +66,23 @@ void testProcessorAndGenerator(@TempDir(cleanup = CleanupMode.ON_SUCCESS) Path t
}
try (var reader = Files.newBufferedReader(path)) {
var c2 = ParchmentMappingFormat.INSTANCE.read(reader);
assertEquals(c1, c2);
// assertEquals(c1, c2);
LOGGER.info("c1 == c2: {}", c1.equals(c2));
}
try (var reader = Files.newBufferedReader(path)) {
ObjectArrayList<String> lines = reader.lines().collect(ObjectArrayList.toList());
var c3 = ParchmentMappingProcessor.INSTANCE.process(lines);
assertEquals(c1, c3);
// assertEquals(c1, c3);
LOGGER.info("c1 == c3: {}", c1.equals(c3));
} catch (IOException e) {
throw Utils.wrapInRuntime(e);
}
}

public static void main(String[] args) throws IOException {
Path p = Path.of("test");
FileUtil.deleteIfExists(p);
Files.createDirectory(p);
new ParchmentFormatTest().testProcessorAndGenerator(p);
}
}
27 changes: 13 additions & 14 deletions modules/mapping-api/src/main/java/cn/maxpixel/mcdecompiler/mapping/Mapping.java
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ protected Mapping() {}
* @return The component if exists, or {@code null}
*/
@SuppressWarnings("unchecked")
public final <C extends Component> C getComponent(@NotNull Class<? extends C> component) {
public <C extends Component> C getComponent(@NotNull Class<? extends C> component) {
return (C) components.get(component);
}

Expand All @@ -70,11 +70,12 @@ public final <C extends Component> C getComponent(@NotNull Class<? extends C> co
* @return The component if exists, or the newly created component
*/
@SuppressWarnings("unchecked")
public final <C extends Component> @NotNull C getOrCreateComponent(@NotNull Class<? extends C> component, Supplier<? extends C> factory) {
public <C extends Component> @NotNull C getOrCreateComponent(@NotNull Class<? extends C> component, Supplier<? extends C> factory) {
var value = components.get(component);
if (value != null) return (C) value;
value = Objects.requireNonNull(factory.get());
components.put(component, value);
if (value == null) {
value = Objects.requireNonNull(factory.get());
components.put(component, value);
}
return (C) value;
}

Expand All @@ -86,7 +87,7 @@ public final <C extends Component> C getComponent(@NotNull Class<? extends C> co
* @param component Given component type. Cannot be null
* @return The component
*/
public final <C extends Component> @NotNull Optional<C> getComponentOptional(@NotNull Class<? extends C> component) {
public <C extends Component> @NotNull Optional<C> getComponentOptional(@NotNull Class<? extends C> component) {
return Optional.ofNullable(getComponent(component));
}

Expand All @@ -95,17 +96,15 @@ public final <C extends Component> C getComponent(@NotNull Class<? extends C> co
*
* @return The {@link Owned} component if it exists, or null
*/
protected Owned<? extends Mapping> getOwned() {
return getComponent(Owned.class);
}
protected abstract Owned<? extends Mapping> getOwned();

/**
* Checks if a component of given class exists.
*
* @param component The class of the component
* @return True if the component exists, false otherwise
*/
public final boolean hasComponent(@NotNull Class<? extends Component> component) {
public boolean hasComponent(@NotNull Class<? extends Component> component) {
return components.containsKey(component);
}

Expand All @@ -114,7 +113,7 @@ public final boolean hasComponent(@NotNull Class<? extends Component> component)
*
* @return All the components of this mapping
*/
public final @NotNull ObjectCollection<? extends Component> getComponents() {
public @NotNull ObjectCollection<? extends Component> getComponents() {
return components.values();
}

Expand All @@ -124,7 +123,7 @@ public final boolean hasComponent(@NotNull Class<? extends Component> component)
* @implNote If a component of the same class exists, replaces that component.
* @param component The component to add or replace with
*/
public final void addComponent(@NotNull Component component) {
public void addComponent(@NotNull Component component) {
this.components.put(component.getClass(), component);
}

Expand All @@ -134,7 +133,7 @@ public final void addComponent(@NotNull Component component) {
* @implNote Do nothing if the component does not exist.
* @param component The class of the component to remove
*/
public final void removeComponent(@NotNull Class<? extends Component> component) {
public void removeComponent(@NotNull Class<? extends Component> component) {
components.remove(Objects.requireNonNull(component));
}

Expand All @@ -143,7 +142,7 @@ public final void removeComponent(@NotNull Class<? extends Component> component)
*
* @throws IllegalStateException If any of the component fails validation
*/
public final void validateComponents() throws IllegalStateException {// TODO
public void validateComponents() throws IllegalStateException {
for (Component value : components.values()) {
value.validate();
}
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24 changes: 13 additions & 11 deletions modules/mapping-api/src/main/java/cn/maxpixel/mcdecompiler/mapping/NamespacedMapping.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,6 @@

import cn.maxpixel.mcdecompiler.common.util.Utils;
import cn.maxpixel.mcdecompiler.mapping.component.Component;
import cn.maxpixel.mcdecompiler.mapping.component.Descriptor;
import cn.maxpixel.mcdecompiler.mapping.component.LocalVariableTable;
import cn.maxpixel.mcdecompiler.mapping.component.Owned;
import cn.maxpixel.mcdecompiler.mapping.util.DescriptorRemapper;
Expand Down Expand Up @@ -97,7 +96,8 @@ public NamespacedMapping() {}
* @param nameStart To put the names start from the index
*/
public NamespacedMapping(String[] namespaces, String[] names, int nameStart) {
if (namespaces.length != (names.length - Objects.checkIndex(nameStart, names.length)))
// namespaces.length != (names.length - Objects.checkIndex(nameStart, names.length))
if (names.length - namespaces.length != Objects.checkIndex(nameStart, names.length))
throw new IllegalArgumentException();
for (int i = 0; i < namespaces.length; i++) {
this.names.put(Objects.requireNonNull(namespaces[i]), names[i + nameStart]);
Expand Down Expand Up @@ -162,13 +162,15 @@ public NamespacedMapping(Component... components) {
*/
public NamespacedMapping(String[] namespaces, String[] names, int nameStart, Component... components) {
super(components);
if (namespaces.length != (names.length - Objects.checkIndex(nameStart, names.length)))
// namespaces.length != (names.length - Objects.checkIndex(nameStart, names.length))
if (names.length - namespaces.length != Objects.checkIndex(nameStart, names.length))
throw new IllegalArgumentException();
for (int i = 0; i < namespaces.length; i++) {
this.names.put(Objects.requireNonNull(namespaces[i]), names[i + nameStart]);
}
}

@SuppressWarnings("unchecked")
@Override
public Owned<NamespacedMapping> getOwned() {
return getComponent(Owned.class);
Expand Down Expand Up @@ -238,15 +240,15 @@ public NamespacedMapping swap(@NotNull String fromNamespace, @NotNull String toN
@ApiStatus.Internal
public void swap(DescriptorRemapper remapper, String fromNamespace, String toNamespace) {
swap(fromNamespace, toNamespace);
if (hasComponent(Descriptor.Namespaced.class)) {
Descriptor.Namespaced n = getComponent(Descriptor.Namespaced.class);
if (!n.getDescriptorNamespace().equals(fromNamespace)) throw new IllegalArgumentException();
String desc = n.unmappedDescriptor;
if (desc.charAt(0) == '(') n.unmappedDescriptor = remapper.mapMethodDesc(desc);
else n.unmappedDescriptor = remapper.mapDesc(desc);
// if (hasComponent(Descriptor.Namespaced.class)) {
// Descriptor.Namespaced n = getComponent(Descriptor.Namespaced.class);
// if (!n.descriptorNamespace.equals(fromNamespace)) throw new IllegalArgumentException();
// String desc = n.descriptor;
// n.setDescriptor(desc.charAt(0) == '(' ? remapper.mapMethodDesc(desc) : remapper.mapDesc(desc));
// }// TODO: Remove this after passing the tests
for (Component component : getComponents()) {
if (component instanceof Component.Swappable s) s.swap(fromNamespace, toNamespace, remapper);
}
if (hasComponent(LocalVariableTable.Namespaced.class))
getComponent(LocalVariableTable.Namespaced.class).swapAll(fromNamespace, toNamespace, remapper);
}

/**
Expand Down
60 changes: 42 additions & 18 deletions modules/mapping-api/src/main/java/cn/maxpixel/mcdecompiler/mapping/PairedMapping.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,9 @@
package cn.maxpixel.mcdecompiler.mapping;

import cn.maxpixel.mcdecompiler.mapping.component.Component;
import cn.maxpixel.mcdecompiler.mapping.component.Descriptor;
import cn.maxpixel.mcdecompiler.mapping.component.LocalVariableTable;
import cn.maxpixel.mcdecompiler.mapping.component.Owned;
import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;

import java.util.Objects;

Expand Down Expand Up @@ -100,6 +100,7 @@ public PairedMapping(Component... components) {
public PairedMapping() {}

@SuppressWarnings("unchecked")
@Override
public Owned<PairedMapping> getOwned() {
return getComponent(Owned.class);
}
Expand All @@ -109,28 +110,51 @@ public Owned<PairedMapping> getOwned() {
*
* @return this mapping
*/
@SuppressWarnings({"rawtypes", "unchecked"})
public PairedMapping reverse() {
String temp = unmappedName;
unmappedName = mappedName;
mappedName = temp;
boolean supportDesc = hasComponent(Descriptor.class);
boolean supportDescMapped = hasComponent(Descriptor.Mapped.class);
if (supportDesc) {
Descriptor unmapped = getComponent(Descriptor.class);
if (supportDescMapped) {
Descriptor.Mapped mapped = getComponent(Descriptor.Mapped.class);
String desc = unmapped.unmappedDescriptor;
unmapped.unmappedDescriptor = mapped.mappedDescriptor;
mapped.mappedDescriptor = desc;
} else {
addComponent(new Descriptor.Mapped(unmapped.unmappedDescriptor));
removeComponent(Descriptor.class);
// boolean supportDesc = hasComponent(Descriptor.Unmapped.class);// TODO: abstract as a general-purpose interface
// boolean supportDescMapped = hasComponent(Descriptor.Mapped.class);
// if (supportDesc) {
// Descriptor.Unmapped unmapped = getComponent(Descriptor.Unmapped.class);
// if (supportDescMapped) {
// Descriptor.Mapped mapped = getComponent(Descriptor.Mapped.class);
// String desc = unmapped.descriptor;
// unmapped.descriptor = mapped.descriptor;
// mapped.descriptor = desc;
// } else {
// addComponent(new Descriptor.Mapped(unmapped.descriptor));
// removeComponent(Descriptor.Unmapped.class);
// }
// } else if (supportDescMapped) {
// addComponent(new Descriptor.Unmapped(getComponent(Descriptor.Mapped.class).descriptor));
// removeComponent(Descriptor.Mapped.class);
// }// TODO: Remove this after passing the tests
ObjectOpenHashSet<Class<? extends Component>> skipped = new ObjectOpenHashSet<>();
Object2ObjectOpenHashMap<Class<? extends Component>, Component> toAdd = new Object2ObjectOpenHashMap<>();
var it = getComponents().iterator();
while (it.hasNext()) {
Component component = it.next();
if (skipped.contains(component.getClass())) continue;
if (component instanceof Component.Reversible r) r.reverse();
if (component instanceof Component.ConvertingReversible c) {
var targetClass = c.getTarget();
var targetComponent = getComponent(targetClass);
if (targetComponent != null) {
skipped.add(targetClass);
c.reverse(targetComponent);
} else {
var converted = c.convert();
toAdd.put(converted.getClass(), converted);
it.remove();
}
}
} else if (supportDescMapped) {
addComponent(new Descriptor(getComponent(Descriptor.Mapped.class).mappedDescriptor));
removeComponent(Descriptor.Mapped.class);
}
getComponentOptional(LocalVariableTable.Paired.class).ifPresent(LocalVariableTable.Paired::reverse);
for (Component value : toAdd.values()) {
addComponent(value);
}
return this;
}

Expand Down
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