1 files changed, 118 insertions, 0 deletions
diff --git a/libcxx/utils/google-benchmark/src/csv_reporter.cc b/libcxx/utils/google-benchmark/src/csv_reporter.cc
new file mode 100644
index 00000000000..7bc7ef3dbcb
--- /dev/null
+++ b/libcxx/utils/google-benchmark/src/csv_reporter.cc
@@ -0,0 +1,118 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "benchmark/reporter.h"
+#include "complexity.h"
+
+#include <algorithm>
+#include <cstdint>
+#include <iostream>
+#include <string>
+#include <tuple>
+#include <vector>
+
+#include "string_util.h"
+#include "walltime.h"
+
+// File format reference: http://edoceo.com/utilitas/csv-file-format.
+
+namespace benchmark {
+
+namespace {
+std::vector<std::string> elements = {
+  "name",
+  "iterations",
+  "real_time",
+  "cpu_time",
+  "time_unit",
+  "bytes_per_second",
+  "items_per_second",
+  "label",
+  "error_occurred",
+  "error_message"
+};
+}
+
+bool CSVReporter::ReportContext(const Context& context) {
+  PrintBasicContext(&GetErrorStream(), context);
+
+  std::ostream& Out = GetOutputStream();
+  for (auto B = elements.begin(); B != elements.end(); ) {
+    Out << *B++;
+    if (B != elements.end())
+      Out << ",";
+  }
+  Out << "\n";
+  return true;
+}
+
+void CSVReporter::ReportRuns(const std::vector<Run> & reports) {
+  for (const auto& run : reports)
+    PrintRunData(run);
+}
+
+void CSVReporter::PrintRunData(const Run & run) {
+  std::ostream& Out = GetOutputStream();
+
+  // Field with embedded double-quote characters must be doubled and the field
+  // delimited with double-quotes.
+  std::string name = run.benchmark_name;
+  ReplaceAll(&name, "\"", "\"\"");
+  Out << '"' << name << "\",";
+  if (run.error_occurred) {
+    Out << std::string(elements.size() - 3, ',');
+    Out << "true,";
+    std::string msg = run.error_message;
+    ReplaceAll(&msg, "\"", "\"\"");
+    Out << '"' << msg << "\"\n";
+    return;
+  }
+
+  // Do not print iteration on bigO and RMS report
+  if (!run.report_big_o && !run.report_rms) {
+    Out << run.iterations;
+  }
+  Out << ",";
+
+  Out << run.GetAdjustedRealTime() << ",";
+  Out << run.GetAdjustedCPUTime() << ",";
+
+  // Do not print timeLabel on bigO and RMS report
+  if (run.report_big_o) {
+    Out << GetBigOString(run.complexity);
+  } else if (!run.report_rms) {
+    Out << GetTimeUnitString(run.time_unit);
+  }
+  Out << ",";
+
+  if (run.bytes_per_second > 0.0) {
+    Out << run.bytes_per_second;
+  }
+  Out << ",";
+  if (run.items_per_second > 0.0) {
+    Out << run.items_per_second;
+  }
+  Out << ",";
+  if (!run.report_label.empty()) {
+    // Field with embedded double-quote characters must be doubled and the field
+    // delimited with double-quotes.
+    std::string label = run.report_label;
+    ReplaceAll(&label, "\"", "\"\"");
+    Out << "\"" << label << "\"";
+  }
+  Out << ",,";  // for error_occurred and error_message
+  Out << '\n';
+}
+
+}  // end namespace benchmark