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 org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
021    import org.jetbrains.jet.lang.types.ErrorUtils;
022    import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
023    import org.jetbrains.jet.lang.types.JetType;
024    
025    public class ErrorValue implements CompileTimeConstant<Void> {
026        private final String message;
027    
028        public ErrorValue(@NotNull String message) {
029            this.message = message;
030        }
031    
032        @Override
033        @Deprecated // Should not be called, for this is not a real value, but a indication of an error
034        public Void getValue() {
035            throw new UnsupportedOperationException();
036        }
037    
038        @NotNull
039        @Override
040        public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {
041            return ErrorUtils.createErrorType(message);
042        }
043    
044        @Override
045        public <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data) {
046            return visitor.visitErrorValue(this, data);
047        }
048    
049        @NotNull
050        public String getMessage() {
051            return message;
052        }
053    }