org.jetbrains.kotlin.psi.stubs.impl.KotlinStubBaseImpl.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.psi.stubs.impl
import com.intellij.openapi.diagnostic.Logger
import com.intellij.psi.stubs.IStubElementType
import com.intellij.psi.stubs.NamedStub
import com.intellij.psi.stubs.StubBase
import com.intellij.psi.stubs.StubElement
import org.jetbrains.kotlin.psi.KtElementImplStub
import org.jetbrains.kotlin.psi.stubs.KotlinCallableStubBase
import org.jetbrains.kotlin.psi.stubs.KotlinClassOrObjectStub
import org.jetbrains.kotlin.psi.stubs.KotlinStubWithFqName
import java.lang.reflect.Method
import java.util.ArrayList
val STUB_TO_STRING_PREFIX = "KotlinStub$"
open class KotlinStubBaseImpl>(parent: StubElement<*>?, elementType: IStubElementType<*, *>) :
StubBase(parent, elementType) {
override fun toString(): String {
val stubInterface = this::class.java.interfaces.single { it.name.contains("Stub") }
val propertiesValues = renderPropertyValues(stubInterface)
if (propertiesValues.isEmpty()) {
return "$STUB_TO_STRING_PREFIX$stubType"
}
val properties = propertiesValues.joinToString(separator = ", ", prefix = "[", postfix = "]")
return "$STUB_TO_STRING_PREFIX$stubType$properties"
}
private fun renderPropertyValues(stubInterface: Class): List {
return collectProperties(stubInterface).mapNotNull { property -> renderProperty(property) }.sorted()
}
private fun collectProperties(stubInterface: Class<*>): Collection {
val result = ArrayList()
result.addAll(stubInterface.declaredMethods.filter { it.parameterTypes!!.isEmpty() })
for (baseInterface in stubInterface.interfaces) {
if (baseInterface in BASE_STUB_INTERFACES) {
result.addAll(collectProperties(baseInterface))
}
}
return result
}
private fun renderProperty(property: Method): String? {
return try {
val value = property.invoke(this)
val name = getPropertyName(property)
"$name=$value"
} catch (e: Exception) {
LOGGER.error(e)
null
}
}
private fun getPropertyName(method: Method): String {
val methodName = method.name!!
if (methodName.startsWith("get")) {
return methodName.substring(3).decapitalize()
}
return methodName
}
companion object {
private val LOGGER: Logger = Logger.getInstance(KotlinStubBaseImpl::class.java)
private val BASE_STUB_INTERFACES = listOf(
KotlinStubWithFqName::class.java,
KotlinClassOrObjectStub::class.java,
NamedStub::class.java,
KotlinCallableStubBase::class.java
)
}
}