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/*
* Copyright 2022 Google LLC
* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
*
* 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 com.google.devtools.ksp.impl.symbol.kotlin
import com.google.devtools.ksp.KSObjectCache
import com.google.devtools.ksp.processing.impl.KSNameImpl
import com.google.devtools.ksp.symbol.KSAnnotation
import com.google.devtools.ksp.symbol.KSDeclaration
import com.google.devtools.ksp.symbol.KSFile
import com.google.devtools.ksp.symbol.KSName
import com.google.devtools.ksp.symbol.KSNode
import com.google.devtools.ksp.symbol.KSVisitor
import com.google.devtools.ksp.symbol.Location
import com.google.devtools.ksp.symbol.Origin
import com.intellij.psi.PsiFile
import com.intellij.psi.PsiJavaFile
import org.jetbrains.kotlin.analysis.api.symbols.KtFileSymbol
import org.jetbrains.kotlin.analysis.api.symbols.KtFunctionSymbol
import org.jetbrains.kotlin.analysis.api.symbols.KtNamedClassOrObjectSymbol
import org.jetbrains.kotlin.analysis.api.symbols.KtPropertySymbol
import org.jetbrains.kotlin.analysis.api.symbols.KtTypeAliasSymbol
import org.jetbrains.kotlin.psi.KtFile
class KSFileImpl private constructor(private val ktFileSymbol: KtFileSymbol) : KSFile {
companion object : KSObjectCache<KtFileSymbol, KSFileImpl>() {
fun getCached(ktFileSymbol: KtFileSymbol) = cache.getOrPut(ktFileSymbol) { KSFileImpl(ktFileSymbol) }
}
private val psi: PsiFile
get() = ktFileSymbol.psi as PsiFile
override val packageName: KSName by lazy {
when (psi) {
is KtFile -> KSNameImpl.getCached((psi as KtFile).packageFqName.asString())
is PsiJavaFile -> KSNameImpl.getCached((psi as PsiJavaFile).packageName)
else -> throw IllegalStateException("Unhandled psi file type ${psi.javaClass}")
}
}
override val fileName: String by lazy {
psi.name
}
override val filePath: String by lazy {
psi.virtualFile.path
}
override val declarations: Sequence<KSDeclaration> by lazy {
analyze {
ktFileSymbol.getFileScope().getAllSymbols().map {
when (it) {
is KtNamedClassOrObjectSymbol -> KSClassDeclarationImpl.getCached(it)
is KtFunctionSymbol -> KSFunctionDeclarationImpl.getCached(it)
is KtPropertySymbol -> KSPropertyDeclarationImpl.getCached(it)
is KtTypeAliasSymbol -> KSTypeAliasImpl.getCached(it)
else -> throw IllegalStateException("Unhandled ${it.javaClass}")
}
}
}
}
override val origin: Origin = Origin.KOTLIN
override val location: Location by lazy {
ktFileSymbol.psi.toLocation()
}
override val parent: KSNode? = null
override fun <D, R> accept(visitor: KSVisitor<D, R>, data: D): R {
return visitor.visitFile(this, data)
}
override val annotations: Sequence<KSAnnotation> by lazy {
ktFileSymbol.annotations()
}
override fun toString(): String {
return "File: ${this.fileName}"
}
}
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