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.kotlin.kotlin-compiler.1.3.11.source-code.BinaryJavaClass.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.load.java.structure.impl.classFiles
import com.intellij.openapi.vfs.VirtualFile
import com.intellij.psi.search.SearchScope
import com.intellij.util.containers.ContainerUtil
import gnu.trove.THashMap
import org.jetbrains.kotlin.builtins.PrimitiveType
import org.jetbrains.kotlin.load.java.structure.*
import org.jetbrains.kotlin.load.java.structure.impl.VirtualFileBoundJavaClass
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.utils.addIfNotNull
import org.jetbrains.org.objectweb.asm.*
import java.text.CharacterIterator
import java.text.StringCharacterIterator
class BinaryJavaClass(
override val virtualFile: VirtualFile,
override val fqName: FqName,
private val context: ClassifierResolutionContext,
private val signatureParser: BinaryClassSignatureParser,
override var access: Int = 0,
override val outerClass: JavaClass?,
classContent: ByteArray? = null
) : ClassVisitor(ASM_API_VERSION_FOR_CLASS_READING), VirtualFileBoundJavaClass, BinaryJavaModifierListOwner, MapBasedJavaAnnotationOwner {
private lateinit var myInternalName: String
override val annotations: MutableCollection = ContainerUtil.newSmartList()
override lateinit var typeParameters: List
override lateinit var supertypes: Collection
override val methods = arrayListOf()
override val fields = arrayListOf()
override val constructors = arrayListOf()
override val annotationsByFqName by buildLazyValueForMap()
private val innerClassNameToAccess: MutableMap = THashMap()
override val innerClassNames get() = innerClassNameToAccess.keys
override val name: Name
get() = fqName.shortName()
override val isInterface get() = isSet(Opcodes.ACC_INTERFACE)
override val isAnnotationType get() = isSet(Opcodes.ACC_ANNOTATION)
override val isEnum get() = isSet(Opcodes.ACC_ENUM)
override val lightClassOriginKind: LightClassOriginKind? get() = null
override fun isFromSourceCodeInScope(scope: SearchScope): Boolean = false
override fun visitEnd() {
methods.trimToSize()
fields.trimToSize()
constructors.trimToSize()
}
init {
ClassReader(classContent ?: virtualFile.contentsToByteArray()).accept(
this,
ClassReader.SKIP_CODE or ClassReader.SKIP_DEBUG or ClassReader.SKIP_FRAMES
)
}
override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array?): MethodVisitor? {
if (access.isSet(Opcodes.ACC_SYNTHETIC) || access.isSet(Opcodes.ACC_BRIDGE) || name == "") return null
// skip semi-synthetic enum methods
if (isEnum) {
if (name == "values" && desc.startsWith("()")) return null
if (name == "valueOf" && desc.startsWith("(Ljava/lang/String;)")) return null
}
val (member, visitor) = BinaryJavaMethodBase.create(name, access, desc, signature, this, context.copyForMember(), signatureParser)
when (member) {
is JavaMethod -> methods.add(member)
is JavaConstructor -> constructors.add(member)
else -> error("Unexpected member: ${member.javaClass}")
}
return visitor
}
override fun visitInnerClass(name: String, outerName: String?, innerName: String?, access: Int) {
if (access.isSet(Opcodes.ACC_SYNTHETIC)) return
if (innerName == null || outerName == null) return
if (myInternalName == outerName) {
context.addInnerClass(name, outerName, innerName)
innerClassNameToAccess[context.mapInternalNameToClassId(name).shortClassName] = access
}
}
override fun visit(
version: Int,
access: Int,
name: String,
signature: String?,
superName: String?,
interfaces: Array?
) {
this.access = this.access or access
this.myInternalName = name
if (signature != null) {
parseClassSignature(signature)
}
else {
this.typeParameters = emptyList()
this.supertypes = mutableListOf().apply {
addIfNotNull(superName?.convertInternalNameToClassifierType())
interfaces?.forEach {
addIfNotNull(it.convertInternalNameToClassifierType())
}
}
}
}
private fun parseClassSignature(signature: String) {
val iterator = StringCharacterIterator(signature)
this.typeParameters =
signatureParser
.parseTypeParametersDeclaration(iterator, context)
.also(context::addTypeParameters)
val supertypes = ContainerUtil.newSmartList()
supertypes.addIfNotNull(signatureParser.parseClassifierRefSignature(iterator, context))
while (iterator.current() != CharacterIterator.DONE) {
supertypes.addIfNotNull(signatureParser.parseClassifierRefSignature(iterator, context))
}
this.supertypes = supertypes
}
private fun String.convertInternalNameToClassifierType(): JavaClassifierType =
PlainJavaClassifierType({ context.resolveByInternalName(this) }, emptyList())
override fun visitField(access: Int, name: String, desc: String, signature: String?, value: Any?): FieldVisitor? {
if (access.isSet(Opcodes.ACC_SYNTHETIC)) return null
val type = signatureParser.parseTypeString(StringCharacterIterator(signature ?: desc), context)
val processedValue = processValue(value, type)
return BinaryJavaField(Name.identifier(name), access, this, access.isSet(Opcodes.ACC_ENUM), type, processedValue).run {
fields.add(this)
object : FieldVisitor(ASM_API_VERSION_FOR_CLASS_READING) {
override fun visitAnnotation(desc: String, visible: Boolean) =
BinaryJavaAnnotation.addAnnotation([email protected] , desc, context, signatureParser)
override fun visitTypeAnnotation(typeRef: Int, typePath: TypePath?, desc: String, visible: Boolean) =
if (typePath == null)
BinaryJavaAnnotation.addTypeAnnotation(type, desc, context, signatureParser)
else
null
}
}
}
/**
* All the int-like values (including Char/Boolean) come in visitor as Integer instances
*/
private fun processValue(value: Any?, fieldType: JavaType): Any? {
if (fieldType !is JavaPrimitiveType || fieldType.type == null || value !is Int) return value
return when (fieldType.type) {
PrimitiveType.BOOLEAN -> {
when (value) {
0 -> false
1 -> true
else -> value
}
}
PrimitiveType.CHAR -> value.toChar()
else -> value
}
}
override fun visitAnnotation(desc: String, visible: Boolean) =
BinaryJavaAnnotation.addAnnotation(annotations, desc, context, signatureParser)
override fun findInnerClass(name: Name): JavaClass? {
val access = innerClassNameToAccess[name] ?: return null
return virtualFile.parent.findChild("${virtualFile.nameWithoutExtension}$$name.class")?.let {
BinaryJavaClass(it, fqName.child(name), context.copyForMember(), signatureParser, access, this)
}
}
}
