001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.resolve.constants;
018    
019    import com.google.common.collect.Lists;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.jet.lang.types.JetType;
022    import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
023    
024    import java.util.Collection;
025    
026    public class IntegerValueTypeConstructor extends NumberValueTypeConstructor {
027        private final long value;
028        private final Collection<JetType> supertypes = Lists.newArrayList();
029    
030        public IntegerValueTypeConstructor(long value) {
031            // order of types matters
032            // 'getPrimitiveNumberType' returns first of supertypes that is a subtype of expected type
033            // for expected type 'Any' result type 'Int' should be returned
034            this.value = value;
035            checkBoundsAndAddSuperType(value, (long) Integer.MIN_VALUE, (long) Integer.MAX_VALUE, KotlinBuiltIns.getInstance().getIntType());
036            checkBoundsAndAddSuperType(value, (long) Byte.MIN_VALUE, (long) Byte.MAX_VALUE, KotlinBuiltIns.getInstance().getByteType());
037            checkBoundsAndAddSuperType(value, (long) Short.MIN_VALUE, (long) Short.MAX_VALUE, KotlinBuiltIns.getInstance().getShortType());
038            supertypes.add(KotlinBuiltIns.getInstance().getLongType());
039        }
040    
041        private void checkBoundsAndAddSuperType(long value, long minValue, long maxValue, JetType kotlinType) {
042            if (value >= minValue && value <= maxValue) {
043                supertypes.add(kotlinType);
044            }
045        }
046    
047        @NotNull
048        @Override
049        public Collection<JetType> getSupertypes() {
050            return supertypes;
051        }
052    
053        @Override
054        public String toString() {
055            return "IntegerValueType(" + value + ")";
056        }
057    }