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
017package org.jetbrains.k2js.translate.utils;
018
019import com.google.common.collect.Lists;
020import com.google.dart.compiler.backend.js.ast.JsExpression;
021import com.google.dart.compiler.common.SourceInfo;
022import com.intellij.psi.PsiElement;
023import org.jetbrains.annotations.NotNull;
024import org.jetbrains.annotations.Nullable;
025import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
026import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils;
027import org.jetbrains.jet.lang.psi.JetExpression;
028import org.jetbrains.jet.lang.resolve.BindingContext;
029
030import java.util.List;
031
032public 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}