Add storage for repository symbol tracking

Summary: See T315 for an extensive description of this feature. Adds the
descibed storage table.

Test Plan: Used phpsh to read/write symbol objects.

Reviewers: jungejason, nh, tuomaspelkonen, aran

Reviewed By: tuomaspelkonen

CC: aran, epriestley, tuomaspelkonen

Differential Revision: 897

src/__phutil_library_map__.php

@@ -577,6 +577,7 @@ phutil_register_library_map(array(
     'PhabricatorRepositorySvnCommitChangeParserWorker' => 'applications/repository/worker/commitchangeparser/svn',
     'PhabricatorRepositorySvnCommitDiscoveryDaemon' => 'applications/repository/daemon/commitdiscovery/svn',
     'PhabricatorRepositorySvnCommitMessageParserWorker' => 'applications/repository/worker/commitmessageparser/svn',
+    'PhabricatorRepositorySymbol' => 'applications/repository/storage/symbol',
     'PhabricatorRepositoryType' => 'applications/repository/constants/repositorytype',
     'PhabricatorS3FileStorageEngine' => 'applications/files/engine/s3',
     'PhabricatorSQLPatchList' => 'infrastructure/setup/sql',
@@ -1170,6 +1171,7 @@ phutil_register_library_map(array(
     'PhabricatorRepositorySvnCommitChangeParserWorker' => 'PhabricatorRepositoryCommitChangeParserWorker',
     'PhabricatorRepositorySvnCommitDiscoveryDaemon' => 'PhabricatorRepositoryCommitDiscoveryDaemon',
     'PhabricatorRepositorySvnCommitMessageParserWorker' => 'PhabricatorRepositoryCommitMessageParserWorker',
+    'PhabricatorRepositorySymbol' => 'PhabricatorRepositoryDAO',
     'PhabricatorS3FileStorageEngine' => 'PhabricatorFileStorageEngine',
     'PhabricatorSearchAttachController' => 'PhabricatorSearchController',
     'PhabricatorSearchBaseController' => 'PhabricatorController',

src/applications/repository/storage/symbol/PhabricatorRepositorySymbol.php

@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * 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.
+ */
+
+class PhabricatorRepositorySymbol extends PhabricatorRepositoryDAO {
+
+  protected $arcanistProjectID;
+  protected $symbolName;
+  protected $symbolType;
+  protected $symbolLanguage;
+  protected $pathID;
+  protected $lineNumber;
+
+  public function getConfiguration() {
+    return array(
+      self::CONFIG_IDS => self::IDS_MANUAL,
+      self::CONFIG_TIMESTAMPS => false,
+    ) + parent::getConfiguration();
+  }
+
+}

src/applications/repository/storage/symbol/__init__.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/repository/storage/base');
+
+
+phutil_require_source('PhabricatorRepositorySymbol.php');