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[#850] Add MixinInfo class to keep track of the
@Mixin-annotated el…
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picocli-codegen/src/main/java/picocli/codegen/annotation/processing/MixinInfo.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package picocli.codegen.annotation.processing; | ||
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| import picocli.CommandLine; | ||
| import picocli.CommandLine.Model.CommandSpec; | ||
| import picocli.CommandLine.Model.IAnnotatedElement; | ||
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| import javax.lang.model.element.Element; | ||
| import javax.lang.model.element.ElementKind; | ||
| import javax.lang.model.element.ExecutableElement; | ||
| import javax.lang.model.element.VariableElement; | ||
| import java.util.EnumSet; | ||
| import java.util.List; | ||
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| /** | ||
| * Holds information on the `@Mixin`-annotated program element. | ||
| */ | ||
| class MixinInfo { | ||
| private final String mixinName; | ||
| private final IAnnotatedElement annotatedElement; | ||
| private final VariableElement element; | ||
| private final CommandSpec mixin; | ||
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| public MixinInfo(VariableElement element, CommandSpec mixin) { | ||
| this.element = element; | ||
| this.mixin = mixin; | ||
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| String name = element.getAnnotation(CommandLine.Mixin.class).name(); | ||
| if (name.length() == 0) { | ||
| name = element.getSimpleName().toString(); | ||
| } | ||
| this.mixinName = name; | ||
| Element targetType = element.getEnclosingElement(); | ||
| int position = -1; | ||
| if (EnumSet.of(ElementKind.METHOD, ElementKind.CONSTRUCTOR).contains(targetType.getKind())) { | ||
| List<? extends VariableElement> parameters = ((ExecutableElement) targetType).getParameters(); | ||
| for (int i = 0; i < parameters.size(); i++) { | ||
| if (parameters.get(i).getSimpleName().contentEquals(element.getSimpleName())) { | ||
| position = i; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| annotatedElement = new TypedMember(element, position); | ||
| } | ||
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| public Element enclosingElement() { | ||
| return element.getEnclosingElement(); | ||
| } | ||
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| public String mixinName() { | ||
| return mixinName; | ||
| } | ||
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| public CommandSpec mixin() { | ||
| return mixin; | ||
| } | ||
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| public IAnnotatedElement annotatedElement() { | ||
| return annotatedElement; | ||
| } | ||
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| public int hashCode() { | ||
| int result = 17; | ||
| result += result * 37 + mixinName.hashCode(); | ||
| result += result * 37 + element.getSimpleName().hashCode(); | ||
| result += result * 37 + mixin.userObject().toString().hashCode(); | ||
| return result; | ||
| } | ||
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| public boolean equals(Object object) { | ||
| if (object == this) { | ||
| return true; | ||
| } | ||
| if (!(object instanceof MixinInfo)) { | ||
| return false; | ||
| } | ||
| MixinInfo other = (MixinInfo) object; | ||
| if (!mixinName.equals(other.mixinName)) { | ||
| return false; | ||
| } | ||
| if (!element.getSimpleName().equals(other.element.getSimpleName())) { | ||
| return false; | ||
| } | ||
| if (!mixin.userObject().toString().equals(other.mixin.userObject().toString())) { | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
| } |