generators/builtins/iterators.kt

/*
 * 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.generators.builtins.iterators

import org.jetbrains.kotlin.generators.builtins.PrimitiveType
import org.jetbrains.kotlin.generators.builtins.generateBuiltIns.*
import java.io.PrintWriter

class GenerateIterators(out: PrintWriter) : BuiltInsSourceGenerator(out) {
    override fun getPackage() = "kotlin.collections"
    override fun generateBody() {
        for (kind in PrimitiveType.values()) {
            val s = kind.capitalized
            out.println("/** An iterator over a sequence of values of type `$s`. */")
            out.println("public abstract class ${s}Iterator : Iterator<$s> {"   )
            out.println("    override final fun next() = next$s()")
            out.println()
            out.println("    /** Returns the next value in the sequence without boxing. */")
            out.println("    public abstract fun next$s(): $s")
            out.println("}")
            out.println()
        }
    }
}