org.jetbrains.jet.codegen.intrinsics.StringGetChar.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2014 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.jet.codegen.intrinsics
import com.intellij.psi.PsiElement
import org.jetbrains.org.objectweb.asm.Type
import org.jetbrains.jet.codegen.ExpressionCodegen
import org.jetbrains.jet.codegen.StackValue
import org.jetbrains.jet.lang.psi.JetExpression
public class StringGetChar : LazyIntrinsicMethod() {
override fun generateImpl(codegen: ExpressionCodegen,
returnType: Type,
element: PsiElement?,
arguments: List,
receiver: StackValue): StackValue {
return StackValue.operation(Type.CHAR_TYPE) {
if (receiver != StackValue.none()) {
receiver.put(receiver.type, it)
}
if (!arguments.isEmpty()) {
codegen.gen(arguments.get(0)).put(Type.INT_TYPE, it)
}
it.invokeinterface("java/lang/CharSequence", "charAt", "(I)C")
}
}
}