| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <link rel="import" href="/tracing/base/base.html"> |
| <link rel="import" href="/tracing/base/iteration_helpers.html"> |
| <link rel="import" href="/tracing/base/utils.html"> |
| <link rel="import" href="/tracing/base/xhr.html"> |
| <link rel="import" href="/tracing/extras/full_config.html"> |
| <link rel="import" href="/tracing/importer/import.html"> |
| <link rel="import" href="/tracing/model/model.html"> |
| <link rel="import" href="/tracing/mre/failure.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.mre', function() { |
| |
| var Failure = tr.mre.Failure; |
| |
| function runAndConvertErrorsToFailures(result, job, |
| traceHandle, cb, opt_this) { |
| try { |
| cb.call(opt_this); |
| } catch (e) { |
| var err = tr.b.normalizeException(e); |
| // TODO(eakuefner): Set job once reduction is implemented. |
| result.addFailure(new Failure( |
| job, job.mapFunctionHandle.asUserFriendlyString(), |
| traceHandle.canonicalUrl, err.typeName, err.message, err.stack)); |
| } |
| } |
| |
| function mapSingleTrace(result, model, options, mapFunction) { |
| // Map the function. |
| var numPairsBeforeMapping = tr.b.dictionaryLength(result.pairs); |
| var numFailuresBeforeMapping = result.failures.length; |
| try { |
| mapFunction(result, model, options); |
| } catch (ex) { |
| ex.name = 'MapFunctionError'; |
| throw ex; |
| } |
| |
| var addedPairs = (tr.b.dictionaryLength(result.pairs) > |
| numPairsBeforeMapping); |
| var addedFailures = result.failures.length > numFailuresBeforeMapping; |
| if (!(addedPairs || addedFailures)) { |
| var err = new Error('Mapper did not add any results!'); |
| err.name = 'NoResultsAddedError'; |
| throw err; |
| } |
| } |
| |
| return { |
| mapSingleTrace: mapSingleTrace, |
| runAndConvertErrorsToFailures: runAndConvertErrorsToFailures |
| }; |
| }); |
| </script> |
| |
