org.jetbrains.kotlin.codegen.extensions.ExpressionCodegenExtension.kt Maven / Gradle / Ivy

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/*
 * 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.extensions

import org.jetbrains.kotlin.extensions.ProjectExtensionDescriptor
import org.jetbrains.kotlin.codegen.state.JetTypeMapper
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
import org.jetbrains.kotlin.codegen.StackValue
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.codegen.ClassBuilder
import org.jetbrains.kotlin.codegen.state.GenerationState
import org.jetbrains.kotlin.psi.JetClassOrObject
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.resolve.*

public interface ExpressionCodegenExtension {
    companion object : ProjectExtensionDescriptor("org.jetbrains.kotlin.expressionCodegenExtension", javaClass())

    public class Context(
            public val typeMapper: JetTypeMapper,
            public val v: InstructionAdapter
    )

    /**
     *  Used for generating custom byte code for the property value obtain. This function has lazy semantics.
     *  Returns new stack value.
     */
    public fun applyProperty(receiver: StackValue, resolvedCall: ResolvedCall<*>, c: Context): StackValue? = null

    /**
     *  Used for generating custom byte code for the function call. This function has non-lazy semantics.
     *  Returns true if the stack was modified.
     */
    public fun applyFunction(receiver: StackValue, resolvedCall: ResolvedCall<*>, c: Context): Boolean = false

    public fun generateClassSyntheticParts(
            classBuilder: ClassBuilder,
            state: GenerationState,
            classOrObject: JetClassOrObject,
            descriptor: ClassDescriptor
    ) {}
}