About the computing term the anime Compiler anime Expert subject Computer science date December 2008 ... compiler. A compiler is a computer program or set of programs that transforms source code written ... source code is to create an executable program. The name compiler is primarily used for programs that translate ... system is different from the one on which the compiler runs, the compiler is known as a cross compiler ... is usually a program that translates the form of expressions without a change of language. A compiler ... , semantic analysis Syntax directed translation , code generation compiler code generation , and code optimization . Program faults caused by incorrect compiler behavior can be very difficult to track down and work around therefore, compiler implementors invest a lot of time ensuring the compiler correctness correctness of their software . The term compilercompiler is sometimes used to refer ... Main History of compiler construction Software for early computers was primarily written in assembly ... than the cost of writing a compiler. The very limited Computer storage memory capacity of early computers also created many technical problems when implementing a compiler. Towards the end of the 1950s ... compilers were developed. The first compiler was written by Grace Hopper , in 1952, for the A 0 ... introduced the first complete compiler in 1957. COBOL was an early language to be compiled .... Early compilers were written in assembly language. The first self hosting compiler &mdash capable ... title The New Compiler, AIM 39 CSAIL Digital Archive Artificial Intelligence Laboratory Series publisher publications.ai.mit.edu ref Since the 1970s it has become common practice to implement a compiler ... C have been popular choices for implementation language. Building a self hosting compiler is a bootstrapping compilers bootstrapping problem the first such compiler for a language must be compiled either by a compiler written in a different language, or as in Hart and Levin s Lisp compiler compiled ... more details
A compilercompiler or compiler generator is a tool that creates a parsing parser , interpreter computer software interpreter , or compiler from some form of formal description of a language and machine . The earliest and still most common form of compilercompiler is a parser generator , whose input ... output is the source code of a parser often used as a component of a compiler. The ideal compilercompiler takes a description of a programming language and a target instruction set architecture, and automatically generates a usable compiler from them. In practice, the state of the art has yet to reach this degree of sophistication and most compiler generators are not capable of handling ... tree , or generate executable code directly. Some experimental compiler compilers take as input a formal ... System SIS in 1978. ref Peter Mosses, SIS A Compiler Generator System Using Denotational Semantics ..., both the generated compiler and the code it produced were inefficient in time and space. No production ... CompilerCompiler project at Carnegie Mellon University does not formalize semantics, but does have a semi formal framework for machine description. Compiler compilers exist in many flavors, including ... stage . History The first compilercompiler to use that name was written by Tony Brooker in 1960 and was used ... , including the Atlas Autocode compiler. However it was rather different from modern compiler ... generic compiler and an Extensible programming extensible syntax language . The name compilercompiler was far more appropriate for Brooker s system than it is for most modern compiler compilers, which are more accurately described as parser generators. It is almost certain that the CompilerCompiler ... February 2007 Other examples of parser generators in the yacc vein are ANTLR , Coco R , CUP compiler CUP , GNU bison , Eli, FSL, SableCC and JavaCC . Several compiler compilers seealso Comparison of parser generators ANTLR GNU bison Bison Coco R ELI , an integrated toolset for compiler construction ... more details
Unreferenced date January 2010 Compiler construction is an area of computer science that deals with the theory and practice of developing programming languages and their associated compiler s. The theoretical portion is primarily concerned with syntax , grammar and semantics of programming languages. One could say that this gives this particular area of computer science a strong tie with linguistics . Some courses on compiler construction will include a simplified grammar of a spoken language that can be used to form a valid sentence for the purposes of providing students with an analogy to help them understand how grammar works for programming languages. The practical portion covers actual implementation of compilers for languages. Students will typically end up writing the front end of a compiler for a simplistic teaching language, such as Micro programming language Micro . Subfields Parsing Program analysis Program transformation Compiler optimization Compiler or program optimization Code generation compiler Code generation See also Functional compiler Programming language implementation Further reading Alfred V. Aho , Monica S. Lam , Ravi Sethi , Jeffrey D. Ullman . Compilers Principles, Techniques, and Tools . Michael Wolfe computer scientist Michael Wolfe . High Performance Compilers for Parallel Computing . External links http www.ace.nl compiler cosy.html The ACE CoSy compiler development suite , an industry leading C C compiler development suite. http llvm.org The LLVM Compiler Infrastructure project , The leading open source compiler tools project. http compilers.iecc.com crenshaw Let s Build a Compiler, by Jack Crenshaw , An interesting tutorial on compiler construction. Wikipedia Books Compiler construction http mcs.une.edu.au comp319 Compiler Construction at the University of New England prog lang stub Category Compiler construction ar de Compilerbau ... more details
Unreferenced date March 2007 Infobox animanga Header name Compiler image caption ja kanji ja romaji genre Science fiction Infobox animanga Video type ova director Yasushi Murayama Yin chapter br Takao Kato Yang chapter producer writer music studio Studio Fantasia licensor ADV Films released 5 March 1994 runtime 30 minutes episodes 2 episode list Infobox animanga Footer Compiler is a two part anime original video animation . Compiler as in a compiler computer compiler is an anime based on the manga by Kia Asamiya which features two girls, Compiler and Assembler, who arrived on earth from 2 D cyberspace to play a game in which they will delete the real world and reform it. However, they move in with two young men called Toshi and Nachi and lose interest in the game. After Toshi is injured and the game is cancelled, two beings called Plasma and Compiler 2 are sent in to erase the girls. The opening theme is called I Was Born to fall in Love and the end theme is called Full Up Mind , both by Masami Okui . As well as the soundtrack, a single of the opening theme and three image albums Compiler , Assembler and Interpreter were released. External links ann anime 131 Compiler Category ADV Films Category Science fiction anime and manga Category Seinen manga Category Anime of 1994 Category Anime OVAs es Compiler it Compiler manga ja Compiler pt Compiler ... more details
A Java compiler is a compiler for the Java programming language Java programming language . The most common form of output from a Java compiler is Class file format Java class files containing platform neutral Java bytecode . There exist also compilers emitting optimized Machine code native machine code for a particular hardware operating system combination. Most Java to bytecode compilers, Jikes being a well known exception, do virtually no Optimization computer science optimization , leaving this until Run time computing runtime to be done by the JRE Citation needed date April 2007 . The Java Virtual Machine JVM loads the class files and either interpreter computing interprets the bytecode or just in time compilation just in time compiles it to machine code and then possibly optimizes it using dynamic compilation . The very first Java compiler developed by Sun Microsystems was written in C using some libraries from C . Citation needed date February 2007 Major Java compilers As of 2010, the following are major Java compiler s javac , included in Java Development Kit JDK from Sun Microsystems , open sourced since 13 November 2006. GCJ , a part of GNU Compiler Collection gcc which compiles C programming language C , Fortran , Pascal programming language Pascal and other programming language s besides Java. It can also generate native code using the back end of gcc. ECJ, the Eclipse Compiler for Java, is an open source incremental compiler used by the Eclipse software Eclipse Java decompilers A Java decompiler tries to reverse the process of compiling, that is it tries to decompile Java bytecode files .class back to Java source files .java . DJ Java Decompiler http www.neshkov.com ... groups compiler Sun s OpenJDK javac page http jikes.sourceforge.net Jikes homepage http www.jcp.org en jsr detail?id 199 JSR 199 Java Compiler API Java Specification Request for invoking the Java compiler from a Java program DEFAULTSORT Java Compiler Category Java platform Compiler Category ... more details
In computing , compiler correctness is the branch of software engineering that deals with trying to show that a compiler behaves according to its programming language language specification Citation needed date March 2009 . Techniques include developing the compiler using formal methods and using rigorous testing often called compiler validation on an existing compiler. Formal methods Expand section date March 2009 Compiler validation with formal methods involves a long chain of formal, deductive logic. ref doi 10.1145 359104.359106 ref However, since the tool to find the proof theorem prover is implemented ... of the effort in shipping a compiler, but receives comparatively little coverage in the standard literature ... page section on compiler testing, with no named examples. ref Compilers Principles, Techniques ... compiler is completely error free Thus, the most important objective in writing a compiler is that it is correct ... Fraser coauthors David Hanson title A Retargetable C compiler Design and Implementation publisher ... article on testing procedure calls, containing the observation the state of the art in compiler ... 2009 03 24 ref Sheridan 2007 seems to be the only recent journal article on general compiler testing. ref cite journal author Flash Sheridan year 2007 title Practical Testing of a C99 Compiler Using ... at Cite web url http pobox.com flash compiler testing bibliography.html title http pobox.com flash compiler testing bibliography.html accessdate 2009 03 13 . ref Commercial compiler compliance validation suites are available from ACE ref Cite web url http www.ace.nl compiler supertest.html title http www.ace.nl compiler supertest.html accessdate 2011 01 15 ref , Perennial ref Cite web url http ... accessdate 2009 03 13 ref . For most purposes, the largest body of information available on compiler testing is in the regression test suite shipped with the GNU Compiler Collection . ref Cite web ... 13 ref See also Compiler Verification and Validation software References references Category Compiler ... more details
Expert subject Computer science date February 2010 The term incremental compiler may refer to two different types of compiler . Definition Imperative programming In imperative programming and software development , an incremental compiler is one that when invoked, takes only the changes of a known set of source file s and updates any corresponding output files in the compiler s target language , often ... compiled output files, the incremental compiler avoids the wasteful recompiling of entire source ... compiler reduces the Granularity In computing granularity of a language s traditional compiling units while maintaining the language s semantics , such that the compiler can append and replace smaller ... with a much more interactive programming environment. It is not unusual that an incremental compiler .... One downside to this type of incremental compiler is that it cannot easily optimization computer ... cycle release , an incremental compiler would be used throughout development, and a standard batch compiler would be used on release. Interactive programming In the interactive programming paradigm ... projects poplog primer node14.html , teaching primer to Poplog ref an incremental compiler refers to a compiler that is actually a part of the runtime system of the source language. The compiler can be invoked ... compilers for imperative language compiling GNU Compiler Collection has branched off ref http ... project, concentrating in providing C programming language C C with a fast incremental compiler ... Java incremental compiler included as a part of the Java Development Tools project ref http www.eclipse.org jdt core index.php , a description of the JDT Core Component ref The IBM VisualAge C compiler 4.0 is an incremental compiler for C Embarcadero Delphi , previously Borland Delphi Incremental compilers ... language Forth Kerridge KCML References Reflist See also Compiler Interpreter computing Dynamic ... 1 Dr. Dobb s Journal about making an incremental C compiler Category Compilers Category Scripting ... more details
A functional compiler is a compiler for a functional programming language . Functional compilers perform such transformation on source code which transform it to continuation passing style or administrative normal form and need to handle tail call s correctly. Further reading Simon Peyton Jones 1987 . http research.microsoft.com en us um people simonpj papers slpj book 1987 index.htm The Implementation of Functional Programming Languages R. Douence and P. Fradet. A systematic study of functional language implementations . ACM Transactions on Programming Languages and Systems, 20 2 344 387, March 1998. Several proceedings on Implementation of functional languages in the Lecture Notes in Computer Science series. External links http scheme2006.cs.uchicago.edu 11 ghuloum.pdf An Incremental Approach to Compiler Construction compsci stub Category Implementation of functional programming languages ... more details
LCC Local C Compiler or Little C Compiler is a small retargetable compiler program for the ANSI C programming language. It is available at no charge for personal use but is not free software . ref http drh.svnrepository.com svn lcc trunk CPYRIGHT ref It was developed by Chris Fraser and David Hanson computer scientist David Hanson . id Software s computer game Quake III relies on a modified version of LCC to compile source code for its virtual machine . LCC LCC is simple to understand and well documented its design is described in A Retargetable C Compiler Design and Implementation ISBN 0 8053 1670 1 . LCC can generate code for several processor architectures, including DEC Alpha Alpha , SPARC , MIPS architecture MIPS , and x86 PCs there is also an LCC backend that generates Microsoft s Common Intermediate Language . Lcc win32 The Lcc win32 or LccWin32 system is a full featured C Development Environment for the Microsoft Windows operating system, written by Jacob Navia . He continued the work of Hanson and Fraser, who wrote the original LCC compiler. It features Compiler Linker IDE with integrated resource editor Diverse utilities like a profiler, browser, function call browser and a lot more Lcc win64 Under development can currently successfully compile itself, the IDE wedit64 and around 550 test files. lcc win64 will also feature more advanced code optimizations. License LCC is free for personal use and may be redistributed with attribution. LCC may not be sold for profit, but it may be included with other software that is sold for profit. ref http drh.svnrepository.com svn lcc trunk CPYRIGHT ref External links http www.cs.princeton.edu software lcc Official LCC website http www.cs.virginia.edu lcc win32 Official LCC Win32 website reflist Category C compilers Category Integrated development environments Compu lang stub ru LCC ... more details
Infobox Software name clip developer ITK Uri Hnykin latest release version 1.2.0 latest release date release date and age 2006 11 01 operating system Unix like use Clipper programming language Clipper Compiler license GNU General Public License GPL or http www.itk.ru english clip cliplicense comm.shtml Commercial License website http www.itk.ru english index.shtml http www.itk.ru Clip compiler is a multi platform Linux and Windows Cygwin Clipper programming language compiler with many additional features and libraries for gtk , fivewin, netto, MySQL , ODBC , cti, tcp, gzip, Interbase , Oracle database Oracle , Postgres , which is quite fast, has support for Hyper Six and FoxPro RDD s, and can compile existing Clipper programming language Clipper source code with very minor changes. It has support for all the features in the original compiler, can access multiple types of databases such as Oracle, Informix , Interbase, MySQL, Postgres, all Xbase dialects tables FoxPro 2 Foxpro , Visual FoxPro , COMIX, indexes NDX,NTX,CDX, It supports object oriented programming , preprocessor, dynamic and static libraries, several functions for math, string management, arrays or vectors. Clip is licensed under a GPL type License and uses the GNU CC compiler. External links http www.itk.ru english index.shtml Clip compiler http www.clip castellano.com.ar Spanish user group of Clip Clip castellano http clip br.web.br.com Brazilian User Group of Clip xBase Category DOS software Category 4GL Category XBase programming language family compu lang stub es Compilador Clip pt Clip ... more details
An ahead of time AOT compiler is a compiler that implements ahead of time compilation. This refers to the act of compiling an intermediate language, such as Java bytecode , .NET Common Intermediate Language CIL , or IBM System 38 or IBM System i Technology Independent Machine Interface code, into a system dependent binary. Most languages with a managed runtime that can be compiled to an intermediate language take advantage of Just in time compilation just in time JIT . This, briefly, compiles intermediate code into binary code for a Machine code native run while the intermediate code is executing, which may decrease an application s performance. Ahead of time compilation eliminates the need for this step by performing the compilation before execution rather than during execution. Ahead of time compilation for dynamic typing dynamically typed languages to native machine code or other static VM bytecode is possible only in a limited number of cases. Citation needed date February 2011 For example the HiPE AOT compiler for Erlang programming language Erlang can do this because of advanced static type reconstruction techniques and types speculations. AOT compilation is mostly beneficial in cases where the interpreter which is small is too slow or Just in time compilation JIT is too complex or introduces undesirable latencies. . Citation needed date February 2011 In most situations with fully ... native compiler. The difference is that AOT transforms the bytecode of an existing virtual machine into machine ... , pseudo constant propagation or indirect virtual function inlining . See also SharpOS AOT compiler SharpOS AOT CIL IL2CPU compiler IL2CPU CIL Native Image Generator CIL GNU Compiler for Java Excelsior ... Mono AOT Java http www.excelsior usa.com jet.html Excelsior JET Java SE 6 Implementation with AOT compiler http gcc.gnu.org java GNU Compiler for Java http www.aonix.com perc.html Aonix PERC Ultra http ... manta Category Compilers programming software stub de Ahead of time Compiler ko AOT it Compilatore ... more details
JAL Just Another Language is a Pascal programming language Pascal like programming language and compiler that generates executable code for PIC microcontroller s. It is a free format language with a compiler that runs on Linux, MS Windows and MS DOS OSX support . It is configurable and extendable through the use of libraries and can even be combined with PIC assembly language. History JAL was originally created by Wouter van Ooijen and released as free software under the GNU General Public License in 2003. In 2006, Stef Mientki initiated the development of a new version, JALV2, which was programmed by Kyle York and beta tested by an international user group. ref Beta testing by Bert van Dam, Sunish Isaac, Dave Lagzdin, Javier Martinez, Stef Mientki, Wouter van Ooijen, Michael Reynolds, Andr Steenveld, Joep Suijs, Vasile Surducan, and Michael Watterson ref Sample code JAL 2.3 include 16f877 bert define the variables var byte resist define the pins pin a0 direction input variable resistor pin d7 direction input switch pin c2 direction output pwm led enable pulse width modulation PWM init frequency true, true forever loop convert analog on a0 to digital resist ADC read low res 0 run measurement through flash memory program eeprom write 2000,resist program eeprom read 2000,resist run measurement through data memory data eeprom write 10,resist data eeprom read 10,resist if the switch is pressed return random value if pin d7 high then resist random byte end if send resistance to PC serial sw write resist delay 100ms 1 set actual PWM duty cycle PWM Set DutyCycle resist, resist end loop References references External links http www.casadeyork.com jalv2 JALv2 home page Category Procedural programming languages es JAL compilador fr JAL compiler nl JAL compiler sv Just another language ... more details
Refimprove date August 2010 An odds compiler or trader is a person employed by a bookmaker or betting exchange who sets the odds for events such as sports betting sporting outcomes for customers to place gambling bets on. Apart from pricing markets, they also engage in any activity regarding the trading aspects of gambling, such as monitoring customer accounts and the profitability of their operations. The odds are derived from a variety of factors through analysis of information. Certain markets are highly statistics statistical , whereas other markets require more intuition and insight. An odds compiler may be required to monitor the financial position the bookmaker is in and adjust their position and odds accordingly. They may also be consulted as to whether to accept a bet or not, usually in the case where a very large bet is being placed, so as to not incur dangerously high liabilities. Odds are usually not set completely independent from other bookmakers but are influenced by what others are quoting. This is particularly important when the overround is below 100 and hence arbitrage betting , where betters can make a profit regardless of the outcome, is possible see mathematics of bookmaking . In this case, the bookmaker with the most aberrant odds would usually alter their odds closer to other bookmakers prices. The odds are influenced by betting volume so that a selection receiving a high volume of liquidity may have the odds for it cut. In 2006, there were news reports that the only female odds compiler in the United Kingdom was a woman called Helen Jacob of Sky Betting and Gaming Sky Bet . ref McRae, Alex 29 June 2006 . http www.independent.co.uk student career planning getting job i want your job odds compiler 405831.html I Want Your Job Odds Compiler . The Independent . Retrieved 26 August 2010. ref ref http www.yorkshireeveningpost.co.uk jaynedawson Odds job woman.1563621.jp Odds job woman . Yorkshire Evening Post . 14 June 2006. Retrieved 26 August 2010 ... more details
A cross compiler is a compiler capable of creating executable code for a platform computing platform other than the one on which the compiler is run. Cross compiler programming tool tool s are used to generate ... have one or more platforms in use. Not targeted by this definition are Source to source compiler source ... The fundamental use of a cross compiler is to separate the build environment from target environment ... the machinery for cooking food. This computer will not be powerful enough to run a compiler, a file .... By using a cross compiler, a single build environment can be set up to compile for each of these targets ... of a future platform, one uses a cross compiler to compile necessary tools such as the operating system and a native compiler. Compiling native code for emulators for older now obsolete platforms like ... compilers were developed. The virtual machine paradigm allows the same compiler output to be used ... a cross compiler that runs on machine B to create executables for machine C. When using the Canadian ... and sent out by a particular company whose name is on the product native Compiler for machine A 1 is used to build the gcc native compiler for machine A 2 . The gcc native compiler for machine A 2 is used to build the gcc cross compiler from machine A to machine B 3 The gcc cross compiler from machine A to machine B 3 is used to build the gcc cross compiler from machine B to machine C 4 The end result cross compiler 4 will not be able to run on your build machine A instead you would use it on machine ... code which will first build its own toolchain with the host s compiler this, in turn, will be used to build the cross compiler which will be used to build the whole system. The term Canadian Cross ... cross compilers 1979 ALGOL 68C generated ZCODE , this added on porting the compiler and other ALGOL 68 applications to alternate platforms. To compile the ALGOL 68C compiler required about 120kB of memory. With Z80 its 64kB memory is too small to actually compile the compiler. So for the Z80 the compiler ... more details
Infobox Software name Harmony Compiler logo screenshot Image PDP music manuscript screen.png 100px alt part of a music manuscript caption Manuscript, ftp publications.ai.mit.edu ai publications pdf AIM 107.pdf Music Compiler PDF author Peter Samson developer released 1960 , 2006 latest release version latest release date latest preview version latest preview date operating system platform PDP 1 language genre Music license website http www.computerhistory.org pdp 1 PDP 1 Restoration Project Harmony Compiler was written by Peter Samson at the Massachusetts Institute of Technology MIT . The compiler was designed to encode music for the PDP 1 and built on an earlier program Samson wrote for the TX 0 computer. Image TX 0 music text screen.png left thumbnail 80px alt screenshot of music on a TX 0 http www.bitsavers.org bits MIT tx 0 music text musicx eng.txt TX 0 music Jack Dennis noticed and had mentioned to Samson that the sound on or off state of the TX 0 s speaker could be enough to play music. ref name Levy gutenberg no 729 name Hackers Heroes of the Computer Revolution by Steven Levy . http www.gutenberg.org catalog world readfile?pageno 24&fk files 36095 p. 24 ref They succeeded in building a WYSIWYG program for one voice before or by 1960. ref name musicx eng cite web title MUSIC X date 28 May 1960 url http www.bitsavers.org bits MIT tx 0 music text musicx eng.txt accessdate 2006 07 05 ref For the PDP 1 which arrived at MIT in September 1961, Samson designed the Harmony Compiler which synthesizes four voices from input in a text based notation. Although it created music in many genres, it was optimized for baroque music. PDP 1 music is merged from four channels and played back in stereo. Notes are on pitch and each has an undertone. The music does not stop for errors. Mistakes are greeted with a message from the typewriter s red ribbon, To err is human, to forgive divine ... es Harmony Compiler ... more details
SPITBOL Sp eedy I mplemen t ation of SNO BOL is a compiler compiled implementation of the SNOBOL SNOBOL4 programming language language . Originally targeted for the IBM System 360 and System 370 family of computer s, it has now been ported to most major microprocessors including the SPARC . It was created by Robert Dewar and Ken Belcher who were then at the Illinois Institute of Technology . Prior to the development of SPITBOL, SNOBOL4 was thought to be slow, random access memory memory intensive, and impossible to compile due to its dynamic nature. While delayed name binding binding prevents everything from being determined at compile time, SPITBOL is very clever about making decisions as early as possible. SNOBOL4 programs run under SPITBOL are amazingly fast. Notable is the SPITBOL garbage collection computer science garbage collector which runs extremely well under the most constrained conditions. Recent versions of the SPITBOL compiler are available. Since 2001 the source code for the original SPITBOL 360 compiler has been made available under the GNU General Public License . ref http www.snobol4.com spitbol360 Spitbol 360 source and Documentation ref MACRO SPITBOL is an implementation of SPITBOL written in the 1970s by Robert B. K. Dewar and Anthony P. McCann. ref cite journal title MACRO SPITBOL a SNOBOL4 Compiler author Robert B. K. Dewar and Anthony P. McCann journal Software Practice and Experience volume 7 pages 95 113 year 1977 ref MACRO SPITBOL is coded in MINIMAL, an assembly language for an abstract machine. The instruction set is carefully defined to allow some latitude in its implementation, so that hardware operations favorable to string processing can be exploited. ref cite book title MINIMAL A Machine Independent Assembly Language first1 Robert B. K. last1 Dewar first2 Anthony P. last2 McCann publisher Courant Institute of Mathematical Sciences series ... 17, 2009. References references DEFAULTSORT Spitbol Compiler Category Compilers Category Pattern matching ... more details
No footnotes date April 2009 Compiler optimization is the process of tuning the output of a compiler ... for minimizing the Energy conservation power consumed by a program. Compiler optimization is generally ... . In practice, factors such as the programmer s willingness to wait for the compiler to complete its task place upper limits on the optimizations that a compiler implementor might provide. Optimization ... function with the same arguments, the compiler can immediately infer that the function s result ... by the compiler, but many of the most effective optimizations are those that best exploit special .... It is up to the compiler to know which instruction variant to use. On many RISC machines, both ... to parameterize some of these machine dependent factors, so that a single piece of compiler code ... Compiler Collection GCC is a compiler which exemplifies this approach. The architecture of the target ... of cache collisions even in an unfilled cache. Cache Memory transfer rates These give the compiler ... is compiled to be used on one or a few very similar machines, with known characteristics, then the compiler ... s, for which special parallelizing compiler s are employed. Embedded system s These are a common ..., rather than as fast as possible, so code caching might be disabled, along with compiler optimizations that require it. Optimization techniques Common themes To a large extent, compiler optimization ... precise information is better The more precise the information the compiler has, the better it can ... with minimal computational overhead overhead can be used by a Just in time compilation JIT compiler ... set up and sometimes tail recursion. ref Cx51 Compiler Manual, version 09.2001, p155, Keil Software .... A compiler can save space by using these small calls in the main body of code. Jump instructions ... allows the compiler to safely remove bounds checking in many situations where it can determine that the index ... of SPITBOL compiler Macro Spitbol on microcomputers. ref cite book title MICRO SPITBOL ... more details
Infobox software name Phalanger logo File Phalanger compiler logo.jpg developer released latest release version latest release date programming language C , C CLI operating system Cross platform platform .NET Framework genre license website http phpcompiler.net Phalanger is a project which was started at Charles University in Prague and was supported by Microsoft . It compiler compiles source code written in the PHP scripting language into Common Intermediate Language CIL byte code. It handles the beginning of a compiling process which is completed by the Just in time compilation JIT compiler component of the .NET Framework . It does not address native code generation nor optimization. Its purpose is to compile PHP scripts into .NET assemblies, logical units containing Common Intermediate Language CIL code and meta data. Phalanger can run real world PHP applications, many with minor to no modifications. Examples include WordPress ref http phpcompiler.net blog 2011 phalanger wordpress Phalanger Wordpress ref , MediaWiki ref http wiki.phpcompiler.net MediaWiki running on Phalanger ref , phpMyAdmin and phpBB Citation needed date May 2010 . There is an ongoing software project ref cite news url http www.php compiler.net lib exe fetch.php?id documentation&cache cache&media specification.pdf title Improvements in the Phalanger Project publisher www.php compiler.net date 2008 07 01 ref at Charles University to re implement the Phalanger core using the Microsoft Dynamic Language Runtime , and to develop a Visual Studio integration tool to provide Intellisense for the PHP language. A project involving Phalanger was mentored by the Mono software Mono team during the Google Summer of Code program in 2008. During this period Phalanger was ported to the Silverlight 2.0 framework with the goal ... communication between .NET and the Phalanger compiler. It s based on duck typing and provides ... 2008, Jadu announced that it has made the compiler available to the developer community and in interviews ... more details
A silicon compiler is a software system that takes a user s specifications and automatically generates an integrated circuit IC . The process is sometimes referred to as hardware compilation . Silicon compilation takes place in three major steps Convert a Hardware description language hardware description language such as Verilog or VHDL or FpgaC into logic typically in the form of a netlist . Place equivalent logic gate s on the IC. Silicon compilers typically use standard cell libraries so that they do not have to worry about the actual integrated circuit layout and can focus on the placement. Routing the standard cells together to form the desired logic. Silicon compilation was first described in 1979 by David L. Johannsen, under the guidance of his thesis adviser, Carver Mead . ref name Johannsen Johannsen, D. L., Bristle Blocks A Silicon Compiler, Proceedings 16th Design Automation Conference, 310 313, June 1979. ref Johannsen, Mead, and Edmund K. Cheng subsequently founded Silicon Compilers Inc. SCI in 1981. Edmund Cheng designed an Ethernet Data Link Controller chip ref name Cheng Edmund K. Cheng, The Design of an Ethernet Data Link Controller Chip , 26th IEEE Computer Society International Conference, COMPCON Spring 83, San Francisco, Feb 25 Mar 3, 1983, pp. 157 160. ref in 1981 1982 using structured design methodology, in order to drive the software and circuit library development at SCI. The project went from concept to chip specification in 3 months, and from chip specification to tape out in 5 months. Fabricated using a 3 micron NMOS process, the chip measured 50,600 square mils in die area, and was being marketed and manufactured in volume production by 1983 under license from SCI. John Wawrzynek at Caltech used some of the earliest silicon compilers in 1982 as part of the Yet Another Processor Project YAPP ref Silicon compilers and foundries will usher in user ... year. ref name Johnson Silicon compiler lets systems engineers design their own VLSI chips , article ... more details
Bartok is an optimizing compiler and managed code managed runtime library runtime system for Common Intermediate Language which List of CLI languages .NET languages compile to , being developed by Microsoft Research . It aims to be efficient enough to be usable for writing operating system s. It provides services such as automatic memory management and garbage collection computer science garbage collection , Thread computing threading , and marshalling data to and from native code , as well as verification of CIL code. Bartok is written in C Sharp programming language C , including the garbage collector. Bartok is being used by Microsoft Research for the implementation of Singularity operating system Singularity , a highly dependability dependable operating system written almost entirely in managed code . Bartok allows various implementations of the garbage collector, Base Class Library base class library and other components to be chosen at runtime on a per application basis. This feature is being used to write the different components of Singularity Kernel computer science kernel , device driver s, and Application software applications each using a separate class library that exposes functionality required by and optimized for the specific usage. References http research.microsoft.com act Microsoft Research Microsoft Research Category Microsoft initiatives Category Microsoft Research programming software stub ... more details
Image FlagShipLogoByMultisoft.png right 190px FlagShip is both Object oriented programming object oriented and Procedural programming procedural programming language , based on the xBase language dialect and conventions. FlagShip is available for and is cross computer compatibility compatible to different computer platforms, such as Linux , Unix and Microsoft Windows . As a true compiler , it translates the very popular database 4GL xBase source code to native 32 bit or 64 bit executables , using the same source code and databases . Recent history The first FlagShip version was introduced by multisoft Datentechnik GmbH in 1992 to port Clipper programming language Clipper , dBASE III , FoxBase and FoxPro 2 FoxPro applications to different operating systems , i.e. SCO Unix , IBM AIX , Sun Solaris , HP UX , Siemens SINIX and many other Unix systems. In 1995 also Linux ports became available. In 2002, Visual FlagShip abbreviated as VFS was announced for Linux , and in 2004 additionally for 32 64 bit based Microsoft Windows operating systems. The current VFS product line covers all common 32 bit and 64 bit operating systems. Programming Image FlagShip environment 800px.png thumb right FlagShip environment br br Executing an application, br including the embedded br source code debugger FlagShip is a programming and development tool. As with other compilers , it is designed mainly for professional software developers. But because of its simple User interface interface , it is also perfectly suitable for semi professionals and advanced computer users, who need to create database applications with minimal programming effort. Thanks to its full Clipper compatibility, it is also best suited for porting already available DOS applications to nearly any Unix, Linux or MS Windows systems. There is no learning curve if you are already familiar with any xBase dialect, like dBase, FoxBase, FoxPro, Clipper, Visual Objects etc. There are millions of well trained programmers who ... more details
Unreferenced date November 2006 The Design of an Optimizing Compiler , by William Wulf , Richard K. Johnson, Charles B. Weinstock, Steven O. Hobbs, and Charles M. Geschke, was published in 1975 by Elsevier. It describes the BLISS programming language BLISS compiler for the PDP 11 , written at Carnegie Mellon University in the early 1970s. The compiler ran on a PDP 10 and was one of the first to produce well optimized code for a minicomputer. Because of its elegant design and the quality of the generated code, the compiler and book remain classics in the compiler field. Although the original book has been out of print for many years, a print on demand version remains available from University Microfilms International . DEFAULTSORT Design Of An Optimizing Compiler Category Computer books Category Compilers Category 1975 books Compu book stub ... more details
Unreferenced date December 2009 In computer programming , a one pass compiler is a compiler that passes through the source code of each compilation unit only once. In other words, a one pass compiler does not look back at code it previously processed. Another term sometimes used is narrow compiler , which emphasizes the limited scope a one pass compiler is obliged to use. This is in contrast to a multi pass compiler which traverses the source code and or the abstract syntax tree several times, building one or more intermediate language intermediate representation s that can be arbitrarily refined. While one pass compilers may be faster than multi pass compilers, they are unable to generate as efficient programs, due to the limited scope available. Many compiler optimization optimization s require multiple passes over a program, subroutine, or basic block . In addition, some programming language s simply cannot be compiled in a single pass, as a result of their design. In contrast, some programming languages have been designed specifically to be compiled with one pass compilers, and include special programming construct construct s to allow one pass compilation. An example of such a construct is the forward declaration in Pascal programming language Pascal . Normally Pascal requires that Subroutine procedures be fully defined before use. This helps a one pass compiler with its type checking calling a procedure that hasn t been defined is a clear error. However, this requirement ... odd n integer boolean begin if n 0 then odd false else if n 0 then odd even n 1 Compiler error even ... code even code before the function code odd code , the one pass compiler is told that there will be a definition ... boolean forward function odd n integer boolean Et cetera code DEFAULTSORT One Pass Compiler Category Compilers Category Articles with example Pascal code cs Jednopr chodov p eklada de Compiler Einordnung verschiedener Compiler Arten ... more details
Infobox software name Small Device C Compiler developer Sandeep Dutta and others latest release version 3.0.0 latest release date release date 2010 11 01 operating system Linux , Microsoft Windows Windows , Mac OS X Mac genre C programming language C Compiler license GNU General Public License GPL website http sdcc.sourceforge.net The Small Device C Compiler SDCC is an open source , partially Retargetable compiler retargetable ref Rainer Leupers, Peter Marwedel Retargetable Compiler Technology for Embedded Systems Tools and Applications , page 126. Springer, 2001 ref C programming language C compiler for microcontroller s. It is distributed under the GNU General Public License . The package also contains a Linker computing linker , assembly language assembler , simulator and debugger . As of March 2007, SDCC is the only open source C compiler for Intel 8051 compatible microcontrollers ref According to a Google search for http www.google.com search?hl en&safe off&q 8051 open source C compiler&btnG Search 8051 open source C compiler ref . In 2009 the compiler was on average downloaded more than 140 times per day. This increased to 230 in 2010. ref cite web url http sourceforge.net project stats ?group id 599&ugn sdcc&type &mode alltime title Usage Statistics For Small Device C Compiler author SourceForge accessdate 2010 02 16 ref . The SDCC compiler was used by the FreeRTOS project to port its real time operating system to the 8051 based Silicon Laboratories Silabs formerly Cygnal series of microcontrollers . Supported target architectures Intel 8051 and its derivatives. Zilog Z80 and binary compatible derivatives such as Z180 and eZ80 . Freescale Motorola Freescale 68HC08 HC08 Work is in progress on Integrated circuit Microchip PIC16 and PIC18 See also Portal Free software Retargetable compiler Microcontroller Z88DK 8051 compiler References references External links http sdcc.sourceforge.net SDCC home page http sdccokr.dl9sec.de resources.htm SDCC Open Knowledge Resource ... more details
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