Revert "clean_plugins: remove 'sqlite3'"

This reverts commit 155f641.

Conflicts:

	CMakeLists.txt

CMakeLists.txt

@@ -145,6 +145,7 @@ option(
     FORCE_PLUGINS
     "Fail configuration if some enabled plugins could not be configured"
     OFF)
+option(PLUGIN_SQLITE3 "Build SQLite3 plugin" ON)
 option(PLUGIN_GMP "Build GMP plugin" ON)
 set(
     LINE_EDITOR
@@ -277,6 +278,18 @@ if(LINE_EDITOR STREQUAL "readline")
   endif()
 endif()
 
+## sqlite3 ##################################################################
+
+if(PLUGIN_SQLITE3)
+    pkg_check_modules(SQLITE3 sqlite3>=3.4.0)
+    include_directories(${SQLITE3_INCLUDE_DIRS})
+    link_directories(${SQLITE3_LIBRARY_DIRS})
+
+    if(FORCE_PLUGINS AND NOT SQLITE3_FOUND)
+        message(SEND_ERROR "SQLite3 plugin required but SQLite3 not found")
+    endif()
+endif()
+
 ## GMP ######################################################################
 
 if(PLUGIN_GMP)
@@ -420,6 +433,12 @@ endif()
 
 ## Plugins #################################################################
 
+if(PLUGIN_SQLITE3 AND SQLITE3_FOUND)
+    set(PLUGINS ${PLUGINS} sqlite3)
+    set(sqlite3_DEFINITIONS ${SQLITE3_DEFINITIONS})
+    set(sqlite3_LIBRARIES ${SQLITE3_LIBRARIES})
+endif()
+
 if(PLUGIN_GMP AND GMP_FOUND AND GMPXX_FOUND)
     set(PLUGINS ${PLUGINS} gmp)
     set(gmp_LIBRARIES ${GMPXX_LIBRARY} ${GMP_LIBRARY})

src/plugins/sqlite3/sqlite3.js

@@ -0,0 +1,178 @@
+// vim:ts=2:sw=2:expandtab:autoindent:
+// vim: foldmethod=marker:foldmarker={{{,}}}
+/*
+The MIT License
+
+Copyright (c) 2008, 2009 Aristid Breitkreuz, Ash Berlin, Ruediger Sonderfeld
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+var SQLite3 = exports.SQLite3;
+
+// generators are easier to write in JS space
+SQLite3.Cursor.prototype.__iterator__ = function() {
+  while (true) {
+    let row = this.next();
+    if (row == null)
+      throw StopIteration;
+    yield row;
+  }
+};
+
+// SQLite3 {{{
+/**
+ * Opens a handle to the database dsn Will usually be
+ * a filename, but could also be ":memory:".
+ *
+ * @name SQLite3
+ * @constructor
+ *
+ * @param dsn Path to sqlite DB file (or anything else it sqlite3_open
+ *        supports)
+ *
+ * @see SQLite3.Cursor
+ *
+ * @class SQLite3 Database handle.
+ *
+ * ==Example:==
+ * {{{
+ * const SQLite3 = require('sqlite3').SQLite3;
+ * var db = new SQLite3('./my_db.sqlite');
+ * var c = db.cursor('SELECT * FROM table_1 WHERE id IN (?,?)');
+ * c.bind([4,6]);
+ *
+ * for (let row in c) {
+ *  print(row.toSource());
+ * }
+ * }}}
+ * 
+ */
+
+// Class properties {{{
+/**#@+ @fieldOf SQLite3 */
+
+  /**
+   * SQLite3 version as human readable string
+   * @name versionStr
+   * @type string
+   */
+
+  /**
+   * SQLite3 version as an integer. For example, SQLite v3.6.12 would have a
+   * version of 3006012
+   * @name version
+   * @type int
+   */
+
+/**#@- }}} */
+
+// Class properties {{{
+/**#@+ @methodOf SQLite3# */
+
+  /**
+   * Close the database handle. Force the database handle to be closed now,
+   * instead of when the object gets garbage collected.
+   * @name close
+   */
+
+  /**
+   * Get a cursor to execute the given SQL statement. Bind parameters can be
+   * passed in as parameters the SQL, or by using [[SQLite3.Cursor#bind]].
+   * @name cursor
+   * @function
+   *
+   * @param sql SQL to prepare.
+   * @param bind_arg bind parameters passed to [[SQLite3.Cursor#bind]].
+   *
+   * @returns {SQLite3.Cursor} A cursor object
+   */
+
+/**#@- }}} */
+// }}}
+
+// SQLite3.Cursor {{{
+/**
+ * You cannot construct a cursor object directly, use [[SQLite3#cursor]] to
+ * create one.
+ *
+ * @class Cursor class used to execute statements.
+ * @name SQLite3.Cursor
+ */
+
+// Instance methods {{{
+/**#@+ @methodOf SQLite3.Cursor# */
+
+  /**
+   * Bind placeholder values. Accepts either an Array or an Object. SQLite
+   * bind params are 1 based. However when an array is passed the first bind
+   * param is pulled from the 0th element of the array, etc.
+   *
+   * @name bind
+   *
+   * @param binds bind parameters
+   */
+
+  /**
+   * Get next row from this cursor. This is the alternative way of getting at
+   * the results if you don't like the iterator style (or if the JS engine
+   * doesn't support it).
+   *
+   * @returns Next row as an array, or null when end of results reached.
+   *
+   * @name SQLite3.Cursor.prototype.next
+   */
+
+  /**
+   * Close this cursor.  Force it to be closed now, instead of waiting for it to
+   * get garbage collected.
+   *
+   * You don't //have// to call this method, but its probably a good idea to
+   * call if you know you wont need to use this cursor any more, since garbage
+   * collection might take a long time to run.
+   *
+   * @name SQLite3.Cursor.prototype.close
+   */
+
+  /**
+   * Reset the cursor back to the start.  This will also clear any errors.
+   *
+   * This does not clear any bound parameters.
+   * 
+   * @name reset
+   */
+/**#@- }}} */
+
+// Instance properties {{{
+/**#@+ @fieldOf SQLite3.Cursor# */
+
+  /**
+   * Iterator support.  A generator function that enables you to write
+   *
+   * {{{
+   * for (row in myCursor) { ... }
+   * }}}
+   *
+   * Each row will only be fetched from SQLite as needed as by [[#next]].
+   * 
+   * @name __iterator__
+   */
+/**#@- }}} */
+// }}}
+