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<title>Profile Scripting Language</title>

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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Profile Scripting Language</span></span>

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</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:#e0e0e0;">Profile Scripting Language</th></tr><tr><th scope="row" class="infobox-label"><a href="Programming_paradigm" title="Programming paradigm">Paradigm</a></th><td class="infobox-data"><a href="Procedural_programming" title="Procedural programming">Procedural</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Software_design" title="Software design">Designed by</a></th><td class="infobox-data">Frank Sanchez</td></tr><tr><th scope="row" class="infobox-label">First appeared</th><td class="infobox-data">1998</td></tr><tr><th scope="row" class="infobox-label"><a href="Operating_system" title="Operating system">OS</a></th><td class="infobox-data"><a href="Cross-platform" class="mw-redirect" title="Cross-platform">Cross-platform</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #EEEEEE;">Influenced by</th></tr><tr><td colspan="2" class="infobox-full-data"><a href="MUMPS" title="MUMPS">MUMPS</a></td></tr></tbody></table>

<p><b>Profile Scripting Language</b> (<b>PSL</b>) is a superset of the <a href="MUMPS" title="MUMPS">MUMPS</a> <a href="Programming_language" title="Programming language">programming language</a> that adds <a href="Object-oriented_programming" title="Object-oriented programming">object-oriented language features</a>. It is currently developed by <a href="FIS_(company)" title="FIS (company)">Fidelity National Information Services</a> (hereafter FIS).

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<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>

<p>PSL is a language that implements <a href="Object-oriented_programming" title="Object-oriented programming">object orientated</a> concepts such as classes, methods, encapsulation, inheritance, and strong data typing as extensions to the MUMPS language. PSL was initially conceived in December 1998 by Frank Sanchez, then President of Sanchez Computer Associates, as a transformation tool that could <a href="Reverse_engineer" class="mw-redirect" title="Reverse engineer">reverse engineer</a> a very large and complex banking application (Fidelity National Information Services 'Profile') which was written predominantly in MUMPS.

</p><p>Frank Sanchez developed the original language semantics, syntax, parser, compiler and optimizer, database interface, schema binding, intrinsic classes and methods over the Christmas holiday in 1998 and early 1999. He was assisted in the development of the initial commercial releases (version 1 - 2) by the late Bob Chiang, the Head of Data-Qwik tool development at Sanchez, and Mark Spier, a Senior Software Developer with Sanchez at the time. Sanchez Computer Associates (SCAI) was acquired by Fidelity National Financial (FNF), now <a href="FIS_(company)" title="FIS (company)">FIS</a>, in April 2004. In later versions the compiler has been maintained and significantly enhanced by Frans Witte, a Senior Technical Lead at FIS, and Dan Russell, formerly the Head of Technology Development at Sanchez and now a remote Senior Technical consultant to FIS. Frans and Dan have focused on implementing the database independent features of the language, and more recently the Java source target code.

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<div class="mw-heading mw-heading2"><h2 id="Language_concepts">Language concepts</h2></div>

<p>The initial language concepts included the ability to bind the source code to a database schema which generates dynamic Data Access Classes (preempting similar persistent class generation in <a href="Java_(programming_language)" title="Java (programming language)">Java</a>) and database methods that could be code generated into either MUMPS globals or a commercial <a href="Relational_database_management_system" class="mw-redirect" title="Relational database management system">RDMS</a>. The PSL Data Access Classes are identified in the source code as Record<classes>.

</p><p>PSL interprets legacy MUMPS code, though some legacy commands (such as GO, NEW and KILL) can be disabled or marked as deprecated (generating compiler warnings). Direct references to MUMPS globals can also be disabled or deprecated. Numerous PSL compiler directives (e.g., #IF/#ELSE, #ACCEPT) were also added to the PSL language, as were Java style blocks and comments, modern error handling semantics and white space. Two MUMPS language elements were eliminated initially (M-style blocks and goto label+offset) as they could not be supported within the PSL object scope handling.

</p><p>PSL allows a Class to be defined as either Intrinsic or Extrinsic. Extrinsic classes implement Class, Method and Instance variable definitions consistent with common OO languages, and are generated into compiled code (accessed at runtime). Intrinsic Classes and methods, on the other hand are implemented as extensions to the PSL compiler itself, and are executed at COMPILE time in order to generate runtime code. This feature can generate heavily optimized or specialized code depending on compile time or program conditions. This capability was considered to be critical to the ability to generate code that optimized both a MUMPS global database and multiple commercial RDMS's from the same PSL source.

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<div class="mw-heading mw-heading2"><h2 id="Releases">Releases</h2></div>

<p>The initial release of PSL (originally called M++) was in the summer of 1999, as part of the Profile version 6.2. In that release, less than 5% of the MUMPS code was converted to PSL, though new development was predominantly in PSL source code and analysis for widespread reverse engineering was underway. The Profile application conversion from MUMPS to PSL was 100% completed in 2006, with the release of Profile version 7.0. Profile version 7.0 was also the first commercial version of the application that could be targeted to run on either a <a href="GT.M" title="GT.M">GT.M</a> MUMPS database or an <a href="Oracle_Database" title="Oracle Database">Oracle 9 database</a>, with GT.M MUMPS source code as the PSL target.

</p><p>Currently PSL is continuing to be actively enhanced to support <a href="IBM_DB2" class="mw-redirect" title="IBM DB2">IBM DB2</a> as a target database and to optionally generate either GT.M MUMPS or Java target code from the same PSL source code. Furthermore, PSL is supported by a modern <a href="Eclipse_(software)" title="Eclipse (software)">Eclipse</a>-based development environment, with integrated schema and code management and numerous interactive plug-ins. Jim Joyce, a senior R&D Developer at FIS has been responsible for much of the IDE vision and development.

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<p>As of June, 2011, PSL remains the source code language for the FIS Profile banking system, deployed in 26 countries and over 200 institutions, including some of the world’s largest banks. While Java and commercial RDMS deployments are possible in the future, today 100% of the deployments are on the GT.M MUMPS target language and database, with the exception of a single Oracle DBMS deployment.

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<ul><li><a href="Financial_technology" title="Financial technology">Financial technology</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>

<ul><li><a rel="nofollow" class="external text" href="https://sourceforge.net/projects/pip/">PIP on SourceForge</a></li>

<li><a rel="nofollow" class="external text" href="http://www.mumps.cz/gtm/misc/PROFILE_ScriptingLanguage/help/psl/pslhelp/pslprogramming_guide.html">PSL Programming Guide (old version distributed with PIP)</a></li>

<li><a rel="nofollow" class="external text" href="http://www.mumps.cz/gtm/misc/PROFILE_ScriptingLanguage/help/InteractiveSQL.html">Interactive SQL Help</a></li>

<li><a rel="nofollow" class="external text" href="http://www.mumps.cz/gtm/misc/PROFILE_ScriptingLanguage/help/ProfileWebTools.html">Profile Web Tools Overview</a></li></ul>

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</style><div id="Programming_languages625" style="font-size:114%;margin:0 4em"><a href="Programming_language" title="Programming language">Programming languages</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div>

<ul><li><a href="Comparison_of_programming_languages" title="Comparison of programming languages">Comparison</a></li>

<li><a href="Timeline_of_programming_languages" title="Timeline of programming languages">Timeline</a></li>

<li><a href="History_of_programming_languages" title="History of programming languages">History</a></li></ul>

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<li><a href="ALGOL" title="ALGOL">ALGOL</a>

<ul><li><a href="Simula" title="Simula">Simula</a></li></ul></li>

<li><a href="Assembly_language" title="Assembly language">Assembly</a></li>

<li><a href="BASIC" title="BASIC">BASIC</a>

<ul><li><a href="Visual_Basic" title="Visual Basic">Visual Basic</a>

<ul><li><a href="Visual_Basic_(classic)" title="Visual Basic (classic)">classic</a></li>

<li><a href="COBOL" title="COBOL">COBOL</a></li>

<li><a href="Erlang_(programming_language)" title="Erlang (programming language)">Erlang</a>

<ul><li><a href="Elixir_(programming_language)" title="Elixir (programming language)">Elixir</a></li></ul></li>

<li><a href="Forth_(programming_language)" title="Forth (programming language)">Forth</a></li>

<li><a href="Fortran" title="Fortran">Fortran</a></li>

<li><a href="Haskell" title="Haskell">Haskell</a></li>

<li><a href="JavaScript" title="JavaScript">JavaScript</a></li>

<li><a href="Julia_(programming_language)" title="Julia (programming language)">Julia</a></li>

<li><a href="Kotlin_(programming_language)" title="Kotlin (programming language)">Kotlin</a></li>

<li><a href="MATLAB" title="MATLAB">MATLAB</a></li>

<ul><li><a href="OCaml" title="OCaml">OCaml</a></li></ul></li></ul></li>

<li><a href="Pascal_(programming_language)" title="Pascal (programming language)">Pascal</a>

<ul><li><a href="Object_Pascal" title="Object Pascal">Object Pascal</a></li></ul></li>

<li><a href="Prolog" title="Prolog">Prolog</a></li>

<li><a href="Python_(programming_language)" title="Python (programming language)">Python</a></li>

<li><a href="Scratch_(programming_language)" title="Scratch (programming language)">Scratch</a></li>

<li><a href="Shell_script" title="Shell script">Shell</a></li>

<li><a href="Smalltalk" title="Smalltalk">Smalltalk</a></li>

<li><a href="Swift_(programming_language)" title="Swift (programming language)">Swift</a></li>

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<ul><li><span class="noviewer" typeof="mw:File"><span title="List-Class article"></span></span> <b>Lists:</b> <a href="List_of_programming_languages" title="List of programming languages">Alphabetical</a></li>

<li><a href="List_of_programming_languages_by_type" title="List of programming languages by type">Categorical</a></li>

<li><a href="Generational_list_of_programming_languages" title="Generational list of programming languages">Generational</a></li>

<li><a href="Non-English-based_programming_languages" title="Non-English-based programming languages">Non-English-based</a></li>

<li><span class="noviewer" typeof="mw:File"><span title="Category"></span></span> Category</li></ul>

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