Specification Information Note WAP-193_101-WMLS-20010928-a Version 28-Sept-2001 for Wireless Application Protocol WAP-193-WMLS-20001025-a WMLScript Specification Version 25-Oct-2000 A list of errata and updates to this document is available from the WAP Forum TM Web site, http://www.wapforum.org/, in the form of SIN documents, which are subject to revision or removal without notice. © 2001, Wireless Application Forum, Ltd. All rights reserved. Terms and conditions of use are available from the WAP ForumÔ Web site at http://www.wapforum.org/what/copyright.htm. You may use this document or any part of the document for internal or educational purposes only, provided you do not modify, edit or take out of context the information in this document in any manner. You may not use this document in any other manner without the prior written permission of the WAP Forum™. 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Scope ................................................................................................................................................9 2. Document Status ............................................................................................................................10 2.1 Copyright Notice.......................................................................................................................10 2.2 Errata........................................................................................................................................10 2.3 Comments................................................................................................................................10 2.4 Document Changes .................................................................................................................10 2.4.1 WAP-193 24-Mar-2000 ...................................................................................................10 2.4.2 WAP-193 25-Sep-2000..................................................................................................10 2.4.3 WAP-193 28-Sep-2001.....................................................................................................10 2.5 Document History.....................................................................................................................11 3. References......................................................................................................................................12 3.1 Normative references ...............................................................................................................12 3.2 Informative References ............................................................................................................12 4. Definitions and abbreviations ..........................................................................................................13 4.1 Definitions .................................................................................................................................13 4.2 Abbreviations ............................................................................................................................14 5. Overview .........................................................................................................................................15 5.1 Why Scripting? .........................................................................................................................15 5.2 Benefits of using WMLScript....................................................................................................15 6. WMLScript Core..............................................................................................................................16 6.1 Lexical Structure.......................................................................................................................16 6.1.1 Case Sensitivity.................................................................................................................16 6.1.2 Whitespace and Line Breaks ............................................................................................16 6.1.3 Usage of Semicolons ........................................................................................................16 6.1.4 Comments ........................................................................................................................17 6.1.5 Literals ...............................................................................................................................17 6.1.5.1 Integer Literals ...............................................................................................................17 6.1.5.2 Floating-Point Literals ....................................................................................................18 6.1.5.3 String Literals.................................................................................................................18 6.1.5.4 Boolean Literals .............................................................................................................19 6.1.5.5 Invalid Literal ..................................................................................................................19 6.1.6 Identifiers ...........................................................................................................................20 6.1.7 Reserved Words ...............................................................................................................20 6.1.8 Name Spaces ...................................................................................................................21 6.2 Variables and Data Types ........................................................................................................21 6.2.1 Variable Declaration ..........................................................................................................21 6.2.2 Variable Scope and Lifetime .............................................................................................21 6.2.3 Variable Access ................................................................................................................22 6.2.4 Variable Type.....................................................................................................................22 6.2.5 L-Values ............................................................................................................................22 6.2.6 Type Equivalency..............................................................................................................23 6.2.7 Numeric Values .................................................................................................................23 6.2.7.1 Integer Size....................................................................................................................23 6.2.7.2 Floating-point Size.........................................................................................................23 6.2.8 String Values .....................................................................................................................24 6.2.9 Boolean Values .................................................................................................................24 6.3 Operators and Expressions .....................................................................................................24 6.3.1 Assignment Operators......................................................................................................24 © Wireless Application Protocol Forum, Ltd, 2000,2001 All rights reserved. WAP -193_101-WMLS-20010928-a, version 28-Sept-2001 Page 4(132) 6.3.2 Arithmetic Operators.........................................................................................................25