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Topic: Mesa programming language


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In the News (Sat 19 Dec 09)

  
  Introduction
The Java programming language is related to C and C++ but is organized rather differently, with a number of aspects of C and C++ omitted and a few ideas from other languages included.
The Java programming language is a relatively high-level language, in that details of the machine representation are not available through the language.
Chapter 3 describes the lexical structure of the Java programming language, which is based on C and C++.
java.sun.com /docs/books/jls/second_edition/html/intro.doc.html   (2087 words)

  
  Mesa programming language - Wikipedia, the free encyclopedia
Mesa is a programming language developed at Xerox PARC that was used to program the Xerox Alto (one of the first personal computers with a graphical user interface), and later the Xerox Star workstations, and later the GlobalView desktop environment.
Mesa was taught via the Mesa Programming Course that took people through the wide range of technology that Xerox had available at the time and that finished off with the programmer writing a "hack", a workable programme designed to be useful.
Mesa was the precursor to the later language Cedar.
en.wikipedia.org /wiki/Mesa_programming_language   (447 words)

  
 Mesa programming language Info - Encyclopedia WikiWhat.com   (Site not responding. Last check: 2007-09-18)
Mesa is a programming language developed at Xerox PARC that was used to program the Star, and later the GlobalView, desktop environment.
As ViewPoint Desktop became GlobalView and was ported to various Unix platforms, such as SunOS Unix and AIX Unix, Mesa was compiled to C and the C was then compiled for the relevant platform.
The Ada programming language was allegedly tendered in the hope that Xerox would write it but this was not to be the case.
www.wikiwhat.com /encyclopedia/m/me/mesa_programming_language.html   (412 words)

  
 Euclid programming language - Wikipedia, the free encyclopedia
It was considered innovative for the time; the compiler development team had a 2 million dollar budget over 2 years and was commissioned by the Defense Advanced Research Projects Agency of the U.S. Department of Defense and the Canadian Department of National Defence.
Euclid is descended from the Pascal programming language.
Descendents of Euclid include the Mesa programming language, Concurrent Euclid and the Turing programming language.
en.wikipedia.org /wiki/Euclid_programming_language   (253 words)

  
 Web Style Guide
The Mesa State web site is intended to act as a gateway for sending and receiving information, placing individuals in contact with each other and important data and it serves as a primary marketing tool.
Be sure that you are using language that is appropriate for a diverse population and that you are not using any "jargon" that is specific to your department or status.
This program has increased in size as it has developed and is no longer a quick download for modem users if they do not already have the program.
www.mesastate.edu /info/webmaster/styleguide.htm   (4676 words)

  
 CamelCase
The original Hungarian notation for programming specifies that a lowercase abbreviation for the "usage type" (not data type) should be prefixed on all variable names, with the remainder of the name in UpperCamelCase; as such it is a form of lowerCamelCase.
The PARC Mesa Language Manual (1979) included a coding standard with specific rules for Upper- and lowerCamelCase which was strictly followed by the Mesa libraries and the Alto operating system.
The Smalltalk language, which was developed originally on the Alto and became quite popular in the early 1980s, may have been instrumental in spreading the style outside PARC.
www.brainyencyclopedia.com /encyclopedia/c/ca/camelcase.html   (1453 words)

  
 Research Summary
The user interface of interactive programs is increasingly being considered by users of the programs as the primary determinant of their satisfaction with the programs.
The abstraction, called an active variable, is a program variable associated with a set of ``program operations'' used by a program to manipulate it, a set of ``user operations'' used by users to edit it, and a set of ``attributes'' representing its customizable properties.
Programs that create active variables are responsible only for defining attribute values and not for implementing the user interface to edit them, which is automatically generated by the language based on the types and attributes of the variables.
www.cs.unc.edu /~dewan/res.html   (1548 words)

  
 BibTeX bibliography multithreading.bib
However, the program transformations required to achieve this overlap are error-prone and add significant complexity to the application program.
This provides some indication that the conventional ``stored program'' organization of computer systems is not necessarily an inappropriate one for functional programming language implementations.\par This is not to say, however, that present day computer systems are well equipped to reduce combinator graphs.
A separate language, Sequential Pascal, is used as the language for applications programs run by operating systems written in Concurrent Pascal.
www.math.utah.edu /ftp/pub/tex/bib/multithreading.html   (4169 words)

  
 The Encyclopedia of Computer Languages
Programming languages traditionally offered procedures and functions as the only means of abstraction, that is, of providing powerful and high-level concepts while suppressing the details of their realization.
Mesa is a high level systems programming language and associated tools designed to support the development of large information processing applications (on the order of one million source lines).
When a program unit is submitted to the compiler, the compiler also has access to the program library and is therefore able to perform the same level of checking (in particular type checking) whether a program is compiled in many parts or as a whole.
hopl.murdoch.edu.au /showlanguage2.prx?exp=769   (8396 words)

  
 Experience with Processes and Monitors in Mesa
Since our work is based on a language whose main tool of program structuring is the procedure, it was considerably easier to use a monitor scheme than to devise a message-passing scheme properly integrated with the type system and control structures of the language.
A Mesa module consists of a collection of procedures and their global data, and in sequential programming is used to implement a data abstraction.
Mesa’s concurrent programming facilities allow the intrinsic parallelism of application programs to be represented naturally; the hope is that well structured programs with high global efficiency will result.
research.microsoft.com /lampson/23-ProcessesInMesa/WebPage.html   (10043 words)

  
 Pilot - 1. Introduction
Pilot is closely coupled to the Mesa programming language [16] and runs on a rather powerful personal computer, which would have been thought sufficient to support a substantial time-sharing system of a few years ago.
Since other languages are not supported, many of the language-independence arguments that tend to maintain distance between an operating system and a programming language are not relevant.
Since the Mesa programming language formalizes and emphasizes the distinction between an interface and its implementation, it is particularly appropriate to split the description of Pilot along these lines.
www.mcjones.org /paul/pilot/pilot-1.html   (678 words)

  
 modula-2 | English | Dictionary & Translation by Babylon
Modula-2 is a computer programming language invented by Niklaus Wirth at ETH around 1978, as a successor to Modula, an intermediate language by him.
The Modula-2 language is loosely based upon the Mesa programming language, from Xerox, that Wirth saw during his 1976 sabbatical year at Xerox PARC.
Modula-2 was developed as the system language for the Lilith workstation.The central concept is the module which may be used to encapsulate a set of related subprograms and data structures, and restrict their visibility from other portions of the program.
www.babylon.com /definition/modula-2/English   (350 words)

  
 CamelCase - TheBestLinks.com - Camelcase, ASCII, Amiga, Computing, ...   (Site not responding. Last check: 2007-09-18)
The term "camel case" is sometimes used, especially when used with respect to computer languages related to C and Java, to mean naming program variables "likeThis", while Pascal case is reserved for variables named "LikeThis".
The Smalltalk language, which was also developed originally on the Alto and became quite popular in the early 1980s, may have been instrumental in spreading the style outside PARC.
CamelCase is now recommended or enforced by many computer systems, and mandated by the coding standards of many programming languages — such as Mesa, the systems programming language of the Xerox Alto, or the modern language Java.
www.thebestlinks.com /Camelcase.html   (908 words)

  
 CS334 lecture 1
Programming languages mediate between computers and humans, allowing us to express or understand algorithms to be executed by the computer.
Languages which are good for quick hacking together of programs may not be suitable for large-scale software development.
Important to be aware of different programming language paradigms, allow one to think about problems in different ways.
www.cs.williams.edu /~kim/cs334.97/Lec1.html   (600 words)

  
 TWiki . Javapedia . CamelCase
CamelCase is recommended or enforced by many computer systems, and mandated by the coding standards of many programming languages — such as Mesa, the systems programming language of the Xerox Alto (late 1970s), or the modern language Java.
The PARC Mesa Language Manual (1979) included a coding standard with specific rules for upper and lower CamelCase, which were strictly followed by the Mesa libraries and the Alto operating system.
The Smalltalk language, which was developed originally on the Alto and became quite popular in the early 1980s, may have been instrumental in spreading the style outside PARC.
wiki.java.net /bin/view/Javapedia/CamelCase   (1034 words)

  
 PL/I programming language - Wikipedia, the free encyclopedia
The language syntax is English-like and suited for describing complex data formats, with a wide set of functions available to verify and manipulate them.
The language was originally to be called NPL, for "New Programming Language"; but that abbreviation could not be used because it was the name of the National Physical Laboratory in the UK.
Perhaps most important was that the language was very complex, making it difficult to implement in a timely fashion.
www.cs.unca.edu /~brownsmi/0408_Fall/csci431/resources/languages/PLI/PLI_programming_language.htm   (728 words)

  
 Articles - Xerox Alto   (Site not responding. Last check: 2007-09-18)
Early software for the Alto was written in the BCPL programming language, and later in the Mesa programming language, which was not widely used outside PARC but influenced several later languages, such as Modula.
The Alto keyboard was lacking the underscore key, which had been appropriated for the left-arrow character used in Mesa for the assignment operator.
Technically, the Alto was a small minicomputer, but it was a personal computer in the sense of being a single user computer sitting at your desk as compared to the mainframes and minicomputers of the era.
www.hailstone.biz /articles/Xerox_Alto   (882 words)

  
 [No title]   (Site not responding. Last check: 2007-09-18)
We define regular languages of routing expressions to specify relative addresses of extra pointers in a canonical spanning tree.
The extended calculus has neither a concept of an explicit store nor a concept of evaluation order; nevertheless, we show that programs in the calculus can be implemented using a single-threaded store.
This study shows that dataflow paradigm directly influences performance parameters such as the amount of interthread communication, how data are partitioned among the threads, whether access to each page of data is exclusive or shared, whether locks are needed for concurrency control, and how calculation termination is detected.
www.math.utah.edu:8080 /pub/tex/bib/multithreading.bib   (5054 words)

  
 The Java Language Specification Introduction
Java is intended to be a production language, not a research language, and so, as C. Hoare suggested in his classic paper on language design, the design of Java has avoided including new and untested features.
Java is a relatively high-level language, in that details of the machine representation are not available through the language.
Chapter 17 describes the semantics of Java threads and locks, which are based on the monitor-based concurrency originally introduced with the Mesa programming language.
java.sun.com /docs/books/jls/first_edition/html/1.doc.html   (2065 words)

  
 Programming Language
From machine language, to human-readable assembly language, to high lever language which abstract away form the details of the hard ware, hence become portable to different type of hardware, the programming language at its third generation, start boom rapidly.
Lisp quickly became, and remains the most popular language for AI applications and it is the second-oldest general-purpose programming language still in use.
These languages are designed for rapid application development and deployment, but are not really suitable for large programs due to inefficiency and lack of safety features such as strong typing.
www.comphist.org /computing_history/new_page_12.htm   (1634 words)

  
 Dr. Dobb's | The Modula-3 Programming Language | July 22, 2001
In large programs, it is important to place some structure on collections of procedures and variables, restricting the proliferation of names.
Some features found in other languages, such as taking the address of a local variable, are prohibited because they are unsafe and because detecting their misuse at run time would be too costly.
Languages that are too strict about safety may not be usable for writing low-level code, like storage allocators.
www.ddj.com /184409400   (4206 words)

  
 programming language definition - Wi-FiPlanet.com
High-level programming languages, while simple compared to human languages, are more complex than the languages the computer actually understands, called machine languages.
Assembly languages are similar to machine languages, but they are much easier to program in because they allow a programmer to substitute names for numbers.
The choice of which language to use depends on the type of computer the program is to run on, what sort of program it is, and the expertise of the programmer.
wi-fiplanet.webopedia.com /TERM/P/programming_language.html   (496 words)

  
 Lecture 7 (January 31, 2000)
Please note that "Brinch Hansen" is a last name and that "Mesa" was a programming language developed by Zerox -- among their unmarketed achievements.
This is because we are following the original notation developed by programming language theorists.
The Mesa monitor originated in the Mesa programming language.
www.andrew.cmu.edu /course/15-412/ln/412springlecture7.html   (2153 words)

  
 Citations: Mesa language manual - Mitchell, Maybury, Sweet (ResearchIndex)   (Site not responding. Last check: 2007-09-18)
Languages like Java [1] provide garbage collection support and eliminate a large class of memory related errors.
Mesa s module system includes notions equivalent to signatures, units, and compound units in a linking language that is distinct from the core language.
C++: Concurrency in the Object-oriented Language C++ - Buhr, Ditchfield..
citeseer.ist.psu.edu /context/94631/0   (516 words)

  
 Mesa Introduction
Mesa is a 3-D graphics library with an API which is very similar to that of OpenGL.* To the extent that Mesa utilizes the OpenGL command syntax or state machine, it is being used with authorization from
September 1999: I'm hired by Precision Insight, Inc. Mesa is a key component of 3D hardware acceleration in the new DRI project for XFree86.
Ongoing: Mesa is used as the core of many hardware OpenGL drivers for the XFree86 X.org X servers within the DRI project.
www.mesa3d.org /intro.html   (741 words)

  
 C:\BELLBOOK\P001-100\HTMFILES\CSP0585.HTM   (Site not responding. Last check: 2007-09-18)
Although the page-printing task is complex, the special hardware is not large (about 300 ICs) because of extensive use of microcode and memory resources in the standard Alto.
The design illustrates how a page-generation algorithm was analyzed and then implemented using appropriate facilities: macroinstruction programs for y sorting, microcode for left-over table management and font table references, and special hardware for the inner loops" of image and video generation.
Two kinds of programming environments have developed on the Alto: conventional compiler-based systems and fully interactive environments.
research.microsoft.com /users/GBell/Computer_Structures_Principles_and_Examples/csp0585.htm   (148 words)

  
 [No title]
Java is a simple and elegant language whose syntax is reminiscent of the enfant terrible of modern computer science, the C++ programming language, except that some of the rarely used, esoteric or redundant "features" of C++ were eliminated (pause here for wild audience applause).
For those new to object-oriented programming, this means that Object is the root of the inheritance hierarchy; every object possesses at least the same methods (member functions to the C++ crow d) described by Object.
Similar to other conventional programming languages, Java programs are written by knowledgeable programmers using the Java source language (and saved in files with a.java extension) and translated to a format that allows it to run on your co mputer hardware.
sunsite.cs.msu.su /vic/SUN-REL.51E   (2672 words)

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