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Kotlin Compiler

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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.builtins;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;

import java.util.Collections;
import java.util.EnumSet;
import java.util.Set;

public enum PrimitiveType {
    BOOLEAN("Boolean"),
    CHAR("Char"),
    BYTE("Byte"),
    SHORT("Short"),
    INT("Int"),
    FLOAT("Float"),
    LONG("Long"),
    DOUBLE("Double"),
    ;

    public static final Set NUMBER_TYPES =
            Collections.unmodifiableSet(EnumSet.of(CHAR, BYTE, SHORT, INT, FLOAT, LONG, DOUBLE));

    private final Name typeName;
    private final Name arrayTypeName;
    private FqName typeFqName = null;
    private FqName arrayTypeFqName = null;

    private PrimitiveType(String typeName) {
        this.typeName = Name.identifier(typeName);
        this.arrayTypeName = Name.identifier(typeName + "Array");
    }

    @NotNull
    public Name getTypeName() {
        return typeName;
    }

    @NotNull
    public FqName getTypeFqName() {
        if (typeFqName != null)
            return typeFqName;

        typeFqName = KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME.child(typeName);
        return typeFqName;
    }

    @NotNull
    public Name getArrayTypeName() {
        return arrayTypeName;
    }

    @NotNull
    public FqName getArrayTypeFqName() {
        if (arrayTypeFqName != null)
            return arrayTypeFqName;

        arrayTypeFqName = KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME.child(arrayTypeName);
        return arrayTypeFqName;
    }
}