diff options
Diffstat (limited to 'integration/src/main/kotlin/org')
-rw-r--r-- | integration/src/main/kotlin/org/jetbrains/dokka/ReflectDsl.kt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/integration/src/main/kotlin/org/jetbrains/dokka/ReflectDsl.kt b/integration/src/main/kotlin/org/jetbrains/dokka/ReflectDsl.kt new file mode 100644 index 00000000..3c9bf156 --- /dev/null +++ b/integration/src/main/kotlin/org/jetbrains/dokka/ReflectDsl.kt @@ -0,0 +1,70 @@ +package org.jetbrains.dokka + +import kotlin.reflect.* +import kotlin.reflect.jvm.isAccessible + +object ReflectDsl { + + class CallOrPropAccess(private val receiver: Any?, + private val clz: KClass<*>, + private val selector: String) { + + @Suppress("UNCHECKED_CAST") + operator fun <T : Any?> invoke(vararg a: Any?): T { + return func!!.call(receiver, *a) as T + } + + operator fun get(s: String): CallOrPropAccess { + return v<Any?>()!![s] + } + + val func: KFunction<*>? by lazy { clz.memberFunctions.find { it.name == selector } } + val prop: KProperty<*>? by lazy { clz.memberProperties.find { it.name == selector } } + + fun takeIfIsFunc(): CallOrPropAccess? = if (func != null) this else null + + fun takeIfIsProp(): CallOrPropAccess? = if (prop != null) this else null + + @Suppress("UNCHECKED_CAST") + fun <T : Any?> v(): T { + val prop = prop!! + return try { + prop.getter.apply { isAccessible = true }.call(receiver) as T + } catch (e: KotlinNullPointerException) { + // Hack around kotlin-reflect bug KT-18480 + val jclass = clz.java + val customGetterName = prop.getter.name + val getterName = if (customGetterName.startsWith("<")) "get" + prop.name.capitalize() else customGetterName + val getter = jclass.getDeclaredMethod(getterName) + getter.isAccessible = true + + getter.invoke(receiver) as T + + } + } + + @Suppress("UNCHECKED_CAST") + fun v(x: Any?) { + (prop as KMutableProperty).setter.apply { isAccessible = true }.call(receiver, x) + } + + + } + + operator fun Any.get(s: String): CallOrPropAccess { + val clz = this.javaClass.kotlin + return CallOrPropAccess(this, clz, s) + } + + operator fun Any.get(s: String, clz: Class<*>): CallOrPropAccess { + val kclz = clz.kotlin + return CallOrPropAccess(this, kclz, s) + } + + operator fun Any.get(s: String, clz: KClass<*>): CallOrPropAccess { + return CallOrPropAccess(this, clz, s) + } + + inline infix fun Any.isInstance(clz: Class<*>?): Boolean = clz != null && clz.isAssignableFrom(this.javaClass) + inline infix fun Any.isNotInstance(clz: Class<*>?): Boolean = !(this isInstance clz) +}
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