Ivan Kochurkin
39 lines
1.3 KiB
Kotlin
Vendored
39 lines
1.3 KiB
Kotlin
Vendored
// FILE: ObjectPattern.java
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import org.jetbrains.annotations.NotNull;
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public abstract class ObjectPattern<T, Self extends ObjectPattern<T, Self>> {
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protected ObjectPattern(@NotNull Class<T> aClass) {
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}
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public static class Capture<T> extends ObjectPattern<T,Capture<T>> {
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public Capture(@NotNull Class<T> aClass) {
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super(aClass);
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}
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}
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}
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// FILE: UastPatterns.kt
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interface UElement
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interface UExpression : UElement
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interface UReferenceExpression : UExpression
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fun injectionHostOrReferenceExpression(): UExpressionPattern.Capture<UExpression> =
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uExpression().filter { it is UReferenceExpression }
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fun uExpression(): UExpressionPattern.Capture<UExpression> = expressionCapture(UExpression::class.java)
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fun <T : UExpression> expressionCapture(clazz: Class<T>): UExpressionPattern.Capture<T> = UExpressionPattern.Capture(clazz)
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open class UElementPattern<T : UElement, Self : UElementPattern<T, Self>>(clazz: Class<T>) : ObjectPattern<T, Self>(clazz) {
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fun filter(filter: (T) -> Boolean): Self = this <!UNCHECKED_CAST!>as Self<!>
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}
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open class UExpressionPattern<T : UExpression, Self : UExpressionPattern<T, Self>>(clazz: Class<T>) : UElementPattern<T, Self>(clazz) {
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open class Capture<T : UExpression>(clazz: Class<T>) : UExpressionPattern<T, Capture<T>>(clazz)
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}
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