Language/Expressions/Strings/string_literal_t34.dart

// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/**
 * @assertion
 * stringLiteral:
 *   (multilineString | singleLineString)+
 * ;
 * singleLineString:
 *   '"' stringContentDQ* '"' |
 *   ''' stringContentSQ* ''' |
 *   'r' ''' (~( ''' | NEWLINE ))* ''' |
 *   'r' '"' (~( '"' | NEWLINE ))* '"'
 * ;
 * stringContentDQ:
 *   ~( '\' | '"' | '$' | NEWLINE ) |
 *   '\' ~( NEWLINE ) |
 *   stringInterpolation
 * ;
 * stringContentSQ:
 *   ~( '\' | ''' | '$' | NEWLINE ) |
 *   '\' ~( NEWLINE ) |
 *   stringInterpolation
 * ;
 * NEWLINE:
 *   '\n' |
 *   '\r'
 * ;
 * @description Checks that a string can contain any unicode new line symbols
 * other than \r and \n.
 * @author msyabro
 */

main() {
  "verticaltab";
  "formfeed";
  "next…line";
  "line
separator";
  "paragraph
separator";

  'verticaltab';
  'formfeed';
  'next…line';
  'line
separator';
  'paragraph
separator';

  r"verticaltab";
  r"formfeed";
  r"next…line";
  r"line
separator";
  r"paragraph
separator";

  r'verticaltab';
  r'formfeed';
  r'next…line';
  r'line
separator';
  r'paragraph
separator';
}