/*
 * Copyright 2000-2017 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.uast.java

import com.intellij.psi.PsiCodeBlock
import com.intellij.psi.PsiExpression
import com.intellij.psi.PsiLambdaExpression
import org.jetbrains.uast.UElement
import org.jetbrains.uast.ULambdaExpression
import org.jetbrains.uast.UastEmptyExpression

class JavaULambdaExpression(
        override val psi: PsiLambdaExpression,
        override val uastParent: UElement?
) : JavaAbstractUExpression(), ULambdaExpression {
    override val valueParameters by lz {
        psi.parameterList.parameters.map { JavaUParameter(it, this) }
    }

    override val body by lz {
        val b = psi.body
        when (b) {
            is PsiCodeBlock -> JavaConverter.convertBlock(b, this)
            is PsiExpression -> JavaConverter.convertOrEmpty(b, this)
            else -> UastEmptyExpression
        }
    }
}