org.jetbrains.kotlin.codegen.CallableMethod.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.codegen;
import org.jetbrains.kotlin.load.java.JvmAbi
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodParameterKind
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodParameterSignature
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature
import org.jetbrains.org.objectweb.asm.Opcodes.INVOKESPECIAL
import org.jetbrains.org.objectweb.asm.Opcodes.INVOKESTATIC
import org.jetbrains.org.objectweb.asm.Type
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
import org.jetbrains.org.objectweb.asm.commons.Method
import org.jetbrains.org.objectweb.asm.util.Printer
public class CallableMethod(
override val owner: Type,
private val defaultImplOwner: Type?,
private val defaultMethodDesc: String,
private val signature: JvmMethodSignature,
private val invokeOpcode: Int,
override val dispatchReceiverType: Type?,
override val extensionReceiverType: Type?,
override val generateCalleeType: Type?
) : Callable {
public fun getValueParameters(): List =
signature.getValueParameters()
override val valueParameterTypes: List
get() = signature.getValueParameters().filter { it.getKind() == JvmMethodParameterKind.VALUE }.map { it.getAsmType() }
public fun getAsmMethod(): Method =
signature.getAsmMethod()
override val parameterTypes: Array
get() = getAsmMethod().getArgumentTypes()
public override fun genInvokeInstruction(v: InstructionAdapter) {
v.visitMethodInsn(invokeOpcode, owner.getInternalName(), getAsmMethod().getName(), getAsmMethod().getDescriptor())
}
public fun genInvokeDefaultInstruction(v: InstructionAdapter) {
if (defaultImplOwner == null) {
throw IllegalStateException()
}
val method = getAsmMethod()
if ("".equals(method.getName())) {
v.aconst(null)
v.visitMethodInsn(INVOKESPECIAL, defaultImplOwner.getInternalName(), "", defaultMethodDesc, false)
}
else {
v.visitMethodInsn(INVOKESTATIC, defaultImplOwner.getInternalName(),
method.getName() + JvmAbi.DEFAULT_PARAMS_IMPL_SUFFIX, defaultMethodDesc, false)
StackValue.coerce(Type.getReturnType(defaultMethodDesc), Type.getReturnType(signature.asmMethod.descriptor), v)
}
}
override val returnType: Type
get() = signature.getReturnType()
override fun isStaticCall(): Boolean =
invokeOpcode == INVOKESTATIC
override fun toString(): String =
"${Printer.OPCODES[invokeOpcode]} ${owner.getInternalName()}.$signature"
}