001    /*
002     * Copyright 2010-2015 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.kotlin.cli.common.messages;
018    
019    import org.jetbrains.annotations.NotNull;
020    
021    public interface MessageCollector {
022        MessageCollector NONE = new MessageCollector() {
023            @Override
024            public void report(@NotNull CompilerMessageSeverity severity, @NotNull String message, @NotNull CompilerMessageLocation location) {
025                // Do nothing
026            }
027    
028            @Override
029            public void clear() {
030                // Do nothing
031            }
032    
033            @Override
034            public boolean hasErrors() {
035                return false;
036            }
037        };
038    
039        void clear();
040    
041        void report(@NotNull CompilerMessageSeverity severity, @NotNull String message, @NotNull CompilerMessageLocation location);
042    
043        boolean hasErrors();
044    }