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.analyzer;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.jet.lang.descriptors.ModuleDescriptor;
022    import org.jetbrains.jet.lang.resolve.BindingContext;
023    import org.jetbrains.jet.lang.resolve.BodiesResolveContext;
024    import org.jetbrains.jet.lang.types.ErrorUtils;
025    
026    public class AnalyzeExhaust {
027    
028        public static AnalyzeExhaust success(@NotNull BindingContext bindingContext, @NotNull ModuleDescriptor module) {
029            return new AnalyzeExhaust(bindingContext, module, null, null);
030        }
031    
032        public static AnalyzeExhaust success(@NotNull BindingContext bindingContext,
033                @Nullable BodiesResolveContext bodiesResolveContext,
034                @NotNull ModuleDescriptor module
035        ) {
036            return new AnalyzeExhaust(bindingContext, module, bodiesResolveContext, null);
037        }
038    
039        public static AnalyzeExhaust error(@NotNull BindingContext bindingContext, @NotNull Throwable error) {
040            return new AnalyzeExhaust(bindingContext, ErrorUtils.getErrorModule(), null, error);
041        }
042    
043        private final BindingContext bindingContext;
044        private final Throwable error;
045        private final BodiesResolveContext bodiesResolveContext;
046        private final ModuleDescriptor moduleDescriptor;
047    
048        private AnalyzeExhaust(
049                @NotNull BindingContext bindingContext,
050                @NotNull ModuleDescriptor moduleDescriptor,
051                @Nullable BodiesResolveContext bodiesResolveContext,
052                @Nullable Throwable error
053        ) {
054            this.bindingContext = bindingContext;
055            this.error = error;
056            this.bodiesResolveContext = bodiesResolveContext;
057            this.moduleDescriptor = moduleDescriptor;
058        }
059    
060        @Nullable
061        public BodiesResolveContext getBodiesResolveContext() {
062            return bodiesResolveContext;
063        }
064    
065        @NotNull
066        public BindingContext getBindingContext() {
067            return bindingContext;
068        }
069    
070        @NotNull
071        public Throwable getError() {
072            return error;
073        }
074    
075        public boolean isError() {
076            return error != null;
077        }
078    
079        public void throwIfError() {
080            if (isError()) {
081                throw new IllegalStateException("failed to analyze: " + error, error);
082            }
083        }
084    
085        @NotNull
086        public ModuleDescriptor getModuleDescriptor() {
087            return moduleDescriptor;
088        }
089    }