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.k2js.translate.utils;
018    
019    import com.google.common.collect.Lists;
020    import com.google.dart.compiler.backend.js.ast.JsExpression;
021    import com.google.dart.compiler.common.SourceInfo;
022    import com.intellij.psi.PsiElement;
023    import org.jetbrains.annotations.NotNull;
024    import org.jetbrains.annotations.Nullable;
025    import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
026    import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils;
027    import org.jetbrains.jet.lang.psi.JetExpression;
028    import org.jetbrains.jet.lang.resolve.BindingContext;
029    
030    import java.util.List;
031    
032    public final class ErrorReportingUtils {
033        private ErrorReportingUtils() {
034        }
035    
036        @NotNull
037        public static RuntimeException reportErrorWithLocation(@NotNull JetExpression selector, @NotNull RuntimeException e) {
038            return reportErrorWithLocation(e, DiagnosticUtils.atLocation(selector));
039        }
040    
041        @NotNull
042        private static RuntimeException reportErrorWithLocation(@NotNull RuntimeException e, @NotNull String location) {
043            throw new RuntimeException(e.getMessage() + " at " + location, e);
044        }
045    
046        @NotNull
047        public static String message(@NotNull PsiElement expression, @NotNull String messageText) {
048            return messageText + " at " + DiagnosticUtils.atLocation(expression) + ".";
049        }
050    
051        @NotNull
052        public static String message(@NotNull BindingContext context,
053                @NotNull DeclarationDescriptor descriptor,
054                @NotNull String explainingMessage) {
055            return explainingMessage + " at " + DiagnosticUtils.atLocation(context, descriptor) + ".";
056        }
057    
058        @NotNull
059        public static String message(@NotNull PsiElement element) {
060            return "Error at " + DiagnosticUtils.atLocation(element) + ".";
061        }
062    
063        @NotNull
064        public static RuntimeException reportErrorWithLocation(@NotNull RuntimeException e,
065                @NotNull DeclarationDescriptor descriptor,
066                @NotNull BindingContext bindingContext) {
067            throw reportErrorWithLocation(e, DiagnosticUtils.atLocation(bindingContext, descriptor));
068        }
069    
070        @NotNull
071        public static String atLocation(@Nullable JsExpression expression, @NotNull List<JsExpression> arguments) {
072            List<JsExpression> list = Lists.newArrayList(expression);
073            list.addAll(arguments);
074            for (JsExpression value : arguments) {
075                SourceInfo info = value.getSourceInfo();
076                if (info != null) {
077                    return "at " + info.getSource().getUri() + " " + info.getLine() + ":" + info.getColumn();
078                }
079            }
080            return "at unknown location";
081        }
082    }