org.jetbrains.kotlin.backend.jvm.intrinsics.IrEnumValueOf.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2016 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.
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package org.jetbrains.kotlin.backend.jvm.intrinsics
import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
import org.jetbrains.kotlin.backend.jvm.codegen.BlockInfo
import org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen
import org.jetbrains.kotlin.codegen.OwnerKind
import org.jetbrains.kotlin.codegen.StackValue
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
import org.jetbrains.kotlin.resolve.jvm.AsmTypes
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
class IrEnumValueOf : IntrinsicMethod() {
override fun toCallable(expression: IrMemberAccessExpression, signature: JvmMethodSignature, context: JvmBackendContext): IrIntrinsicFunction {
val enumType = context.state.typeMapper.mapType(expression.descriptor.returnType!!)
val newSignature = context.state.typeMapper.mapSignatureSkipGeneric(expression.descriptor as FunctionDescriptor, OwnerKind.IMPLEMENTATION)
val stringType = AsmTypes.JAVA_STRING_TYPE;
return object : IrIntrinsicFunction(expression, newSignature, context, listOf(stringType)) {
override fun invoke(v: InstructionAdapter, codegen: ExpressionCodegen, data: BlockInfo): StackValue {
v.tconst(enumType)
codegen.gen(expression.getValueArgument(0)!!, stringType, data)
v.invokestatic("java/lang/Enum", "valueOf", "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;", false);
v.checkcast(enumType)
return StackValue.onStack(enumType)
}
}
}
}