org.jetbrains.kotlin.analysis.decompiler.psi.KotlinClassFileDecompiler.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.analysis.decompiler.psi

import com.intellij.openapi.vfs.VirtualFile
import com.intellij.psi.PsiManager
import com.intellij.psi.compiled.ClassFileDecompilers
import org.jetbrains.kotlin.analysis.decompiler.psi.file.KtClsFile
import org.jetbrains.kotlin.analysis.decompiler.stub.file.ClsClassFinder.isKotlinInternalCompiledFile
import org.jetbrains.kotlin.analysis.decompiler.stub.file.ClsClassFinder.isMultifileClassPartFile
import org.jetbrains.kotlin.analysis.decompiler.stub.file.ClsKotlinBinaryClassCache
import org.jetbrains.kotlin.analysis.decompiler.stub.file.KotlinClsStubBuilder

class KotlinClassFileDecompiler : ClassFileDecompilers.Full() {
    private val stubBuilder = KotlinClsStubBuilder()

    override fun accepts(file: VirtualFile) = ClsKotlinBinaryClassCache.getInstance().isKotlinJvmCompiledFile(file)

    override fun getStubBuilder() = stubBuilder

    override fun createFileViewProvider(file: VirtualFile, manager: PsiManager, physical: Boolean): KotlinDecompiledFileViewProvider {
        return KotlinDecompiledFileViewProvider(manager, file, physical) factory@{ provider ->
            val virtualFile = provider.virtualFile

            if (isKotlinInternalCompiledFile(virtualFile) && !isMultifileClassPartFile(virtualFile)) {
                null
            } else {
                KtClsFile(provider)
            }
        }
    }
}