org.jetbrains.kotlin.codegen.intrinsics.StringPlus.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.intrinsics
import org.jetbrains.kotlin.codegen.*
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.resolve.jvm.AsmTypes
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
class StringPlus : IntrinsicMethod() {
override fun toCallable(method: CallableMethod): Callable =
object : IntrinsicCallable(method) {
private lateinit var generator: StringConcatGenerator
override fun invokeMethodWithArguments(
resolvedCall: ResolvedCall<*>,
receiver: StackValue,
codegen: ExpressionCodegen
): StackValue {
generator = StringConcatGenerator.create(codegen.state, codegen.v)
return super.invokeMethodWithArguments(resolvedCall, receiver, codegen)
}
override fun genInvokeInstruction(v: InstructionAdapter) {
if (!generator.mode.isDynamic) {
v.invokestatic(
IntrinsicMethods.INTRINSICS_CLASS_NAME, "stringPlus",
"(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;", false
)
} else {
generator.invokeAppend(AsmTypes.JAVA_STRING_TYPE)
//TODO: process constants properly, do not upcast to object
generator.invokeAppend(AsmTypes.OBJECT_TYPE)
generator.genToString()
}
}
}
}