Introduce support for constants in the MDC.

core/src/main/java/org/parchmentmc/feather/mapping/ImmutableMappingDataContainer.java

@@ -215,11 +215,14 @@ public static class ImmutableFieldData implements MappingDataContainer.FieldData
  private final String name;
  private final String descriptor;
  private final List<String> javadoc;
+ @Nullable
+ private final ConstantData constant;
 
- public ImmutableFieldData(String name, String descriptor, List<String> javadoc) {
+ public ImmutableFieldData(String name, String descriptor, List<String> javadoc, @Nullable ConstantData constant) {
  this.name = name;
  this.descriptor = descriptor;
  this.javadoc = ImmutableList.copyOf(javadoc);
+ this.constant = constant;
  }
 
  /**
@@ -246,18 +249,36 @@ public List<String> getJavadoc() {
  return javadoc;
  }
 
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public ConstantData getConstant() {
+ return constant;
+ }
+
  @Override
  public boolean equals(Object o) {
  if (this == o) return true;
- if (!(o instanceof FieldData)) return false;
- FieldData that = (FieldData) o;
- return getName().equals(that.getName()) && Objects.equals(getDescriptor(), that.getDescriptor())
- && getJavadoc().equals(that.getJavadoc());
+ if (!(o instanceof ImmutableFieldData)) return false;
+
+ ImmutableFieldData that = (ImmutableFieldData) o;
+
+ if (getName() != null ? !getName().equals(that.getName()) : that.getName() != null) return false;
+ if (getDescriptor() != null ? !getDescriptor().equals(that.getDescriptor()) : that.getDescriptor() != null)
+ return false;
+ if (getJavadoc() != null ? !getJavadoc().equals(that.getJavadoc()) : that.getJavadoc() != null)
+ return false;
+ return getConstant() != null ? getConstant().equals(that.getConstant()) : that.getConstant() == null;
  }
 
  @Override
  public int hashCode() {
- return Objects.hash(getName(), getDescriptor(), getJavadoc());
+ int result = getName() != null ? getName().hashCode() : 0;
+ result = 31 * result + (getDescriptor() != null ? getDescriptor().hashCode() : 0);
+ result = 31 * result + (getJavadoc() != null ? getJavadoc().hashCode() : 0);
+ result = 31 * result + (getConstant() != null ? getConstant().hashCode() : 0);
+ return result;
  }
  }
 
@@ -344,11 +365,14 @@ public static class ImmutableParameterData implements MappingDataContainer.Param
  private final String name;
  @Nullable
  private final String javadoc;
+ @Nullable
+ private final ConstantData constant;
 
- public ImmutableParameterData(byte index, @Nullable String name, @Nullable String javadoc) {
+ public ImmutableParameterData(byte index, @Nullable String name, @Nullable String javadoc, @Nullable ConstantData constant) {
  this.index = index;
  this.name = name;
  this.javadoc = javadoc;
+ this.constant = constant;
  }
 
  /**
@@ -377,17 +401,131 @@ public String getJavadoc() {
  return javadoc;
  }
 
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public ConstantData getConstant() {
+ return constant;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (!(o instanceof ImmutableParameterData)) return false;
+
+ ImmutableParameterData that = (ImmutableParameterData) o;
+
+ if (getIndex() != that.getIndex()) return false;
+ if (getName() != null ? !getName().equals(that.getName()) : that.getName() != null) return false;
+ if (getJavadoc() != null ? !getJavadoc().equals(that.getJavadoc()) : that.getJavadoc() != null)
+ return false;
+ return getConstant() != null ? getConstant().equals(that.getConstant()) : that.getConstant() == null;
+ }
+
+ @Override
+ public int hashCode() {
+ int result = getIndex();
+ result = 31 * result + (getName() != null ? getName().hashCode() : 0);
+ result = 31 * result + (getJavadoc() != null ? getJavadoc().hashCode() : 0);
+ result = 31 * result + (getConstant() != null ? getConstant().hashCode() : 0);
+ return result;
+ }
+ }
+
+ /**
+ * An immutable {@link MappingDataContainer.ConstantData}.
+ */
+ public static final class ImmutableConstantData implements ConstantData {
+
+ private final ConstantType type;
+ private final List<ConstantValueData> values;
+
+ public ImmutableConstantData(ConstantType type, List<ConstantValueData> values) {
+ this.type = type;
+ this.values = values;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public ConstantType getType() {
+ return type;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<ConstantValueData> getValues() {
+ return values;
+ }
+
  @Override
  public boolean equals(Object o) {
  if (this == o) return true;
- if (!(o instanceof ParameterData)) return false;
- ParameterData that = (ParameterData) o;
- return getIndex() == that.getIndex() && Objects.equals(getName(), that.getName()) && Objects.equals(getJavadoc(), that.getJavadoc());
+ if (!(o instanceof ImmutableConstantData)) return false;
+
+ ImmutableConstantData that = (ImmutableConstantData) o;
+
+ if (getType() != that.getType()) return false;
+ return getValues().equals(that.getValues());
+ }
+
+ @Override
+ public int hashCode() {
+ int result = getType().hashCode();
+ result = 31 * result + getValues().hashCode();
+ return result;
+ }
+ }
+
+ /**
+ * An immutable {@link MappingDataContainer.ConstantValueData}.
+ */
+ public static final class ImmutableConstantValueData implements ConstantValueData {
+
+ private final int value;
+ private final String reference;
+
+ public ImmutableConstantValueData(int value, String reference) {
+ this.value = value;
+ this.reference = reference;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int getValue() {
+ return value;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String getReference() {
+ return reference;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (!(o instanceof ImmutableConstantValueData)) return false;
+
+ ImmutableConstantValueData that = (ImmutableConstantValueData) o;
+
+ if (getValue() != that.getValue()) return false;
+ return getReference().equals(that.getReference());
  }
 
  @Override
  public int hashCode() {
- return Objects.hash(getIndex(), getName(), getJavadoc());
+ int result = getValue();
+ result = 31 * result + getReference().hashCode();
+ return result;
  }
  }
 }