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Topic: GOTO plus plus <b>programming<



  
 <b>GOTOb> - Wikipedia, the free encyclopedia
The ON <b>GOTOb> statement in BASIC supports the first kind of computed <b>GOTOb> and is useful for case-by-case branching, as in C's switch statement.
<b>GOTOb> is a command found in many programming languages which instructs the computer to jump to another point in the computer program, specified by a label or line number.
However <b>GOTOb> is not available in all high-level programming languages.
http://en.wikipedia.org/wiki/GOTO   (580 words)

  
 <b>gotob> Computer Encyclopedia Enterprise Resource Directory Complete Guide to Internet
Since a <b>GOTOb> is effectively an {assignment} to the {program counter}, it is tempting to make the generalisation "assignment considered harmful" and indeed, this is the basis of {functional programming}.
Use of the <b>GOTOb> instruction in {high level language} programming fell into disrepute with the development and general acceptance of {structured programming}, and especially following the famous article "<b>GOTOb> statement {considered harmful}".
Nearly(?) all {machine language} {instruction sets} include a <b>GOTOb> instruction, though in this context it is usually called branch or jump or some {mnemonic} based on these.
http://www.jaysir.com/computer-encyclopedia/g/goto-computer-terms.htm   (197 words)

  
 Spaghetti code - Wikipedia, the free encyclopedia
Spaghetti code is a pejorative term for source code which has a complex and tangled control structure, especially one using many GOTOs, exceptions, threads, or other "unstructured" branching constructs.
This is because using for loops and functions are standard ways of providing flow control where the <b>gotob> statement encourages arbitrary flow control.
Notice that indentation is not needed and that the program's <b>gotob> statements create a reliance on line numbers.
http://en.wikipedia.org/wiki/Spaghetti_code   (577 words)

  
 <b>gotob> in PHP Professional PHP
A movement was spawned to eschew the <b>GOTOb> with as much zealotry as todays modern Object Oriented fanatic uses to eschew "procedural code." This movement was called Structured Programming.
Using gotos for error handling increases the active area of variables involved in the error from the point of error occurrence to the point of error handling.
<b>Gotob> is a construct for the close-to-the-metal-gang, but PHP is not a close-to-the-metal language, nor should it be.
http://www.procata.com/blog/archives/2004/07/29/goto-in-php   (2794 words)

  
 Why Tcl has no <b>GOTOb> command
(Donal Fellows) Because "<b>gotob>"s are the bane of structured programming.
Inside that loop you have breaks, which essentially are <b>gotob>'s to the end of the loop.
I think that <b>gotob>'s should be used very sparingly, but there are definitely situations where programs are a lot clumsier without them.
http://wiki.tcl.tk/901   (629 words)

  
 phpComplete » <b>GOTOb>
In my opinion, <b>GOTOb> would definitely tarnish the language of PHP and any other language it would be added to, outside of BASIC and languages where it currently is used.
<b>Gotob> has long been declared as an evil abomination of programming languages.
And I guess this is why Sara Golemon’s (pollita as I know her) <b>gotob> patch created a stir, reigniting the opinion war on whether <b>gotob> is evil or not.
http://www.phpcomplete.com/archives/2004/09/06/goto   (938 words)

  
 <b>Gotob> (command) - Wikipedia, the free encyclopedia
<b>GOTOb> is a command found in many programming languages which instructs the computer to jump to another point in the computer program, specified by a label or line number.
However <b>GOTOb> is not found in all programming languages.
However, others believed that even though the use of <b>GOTOb> is often bad practice, there are some tasks that cannot be straightforwardly accomplished in many programming languages without the use of <b>GOTOb> statements, such as breaking out of nested loops and exception handling.
http://en.wikipedia.org/wiki/Go_to   (539 words)

  
 Programming paradigm - Wikipedia, the free encyclopedia
For instance, pure functional programming disallows the use of side-effects; structured programming disallows the use of <b>gotob>.
Concept-oriented programming is based on using concepts as the main programming construct.
A programming paradigm is a paradigmatic style of programming (compare with a methodology which is a paradigmatic style of doing software engineering).
http://en.wikipedia.org/wiki/Programming_paradigm   (362 words)

  
 Unstructured programming - Wikipedia, the free encyclopedia
Unstructured programming languages have to rely on execution flow statements such as <b>Gotob>, used in many languages to jump to a specified section of code.
Unstructured programming is a programming paradigm where all code is contained in a single continuous block.
Unstructured source code is notoriously difficult to read and debug, and so is discouraged in programming languages that support any kind of structure.
http://en.wikipedia.org/wiki/Unstructured_programming   (184 words)

  
 <b>gotob>
<b>GOTOb> is a command found in many programming languages which instructs the computer to jump to another point in the computer program.
However <b>GOTOb> is not found in all programming languages.
Donald Knuth's Structured Programming with <b>gotob> Statements (Computing Surveys 6 (4), 261-301, December 1974) considers some of the places where <b>GOTOb> may be the appropriate tool.
http://www.yourencyclopedia.net/Goto.html   (431 words)

  
 Programming paradigm - Wikipedia, the free encyclopedia
For instance, pure functional programming disallows the use of side-effects; structured programming disallows the use of <b>gotob>.
For instance, in object-oriented programming, programmers can think of a program as a collection of interacting objects, while in functional programming a program can be thought of as a sequence of stateless function evaluations.
A programming paradigm is a paradigmatic style of programming (compare with a methodology which is a paradigmatic style of doing software engineering).
http://www.wikipedia.org/wiki/Programming_paradigm   (431 words)

  
 structured programming: Definition and Much More From Answers.com
It is possible to do structured programming in almost any procedural programming language, but since about 1970 when structured programming began to gain popularity as a technique, most new procedural programming languages have included features to encourage structured programming, (and sometimes have left out features that would make unstructured programming easy).
Structured programming can be seen as a subset or subdiscipline of procedural programming, one of the major programming paradigms.
Structured programming is often (but not always) associated with a "top-down" approach to design.
http://www.answers.com/topic/structured-programming   (1282 words)

  
 programming paradigm: Information From Answers.com
For instance, pure functional programming disallows the use of side-effects; structured programming disallows the use of <b>gotob>.
For instance, in object-oriented programming, programmers can think of a program as a collection of interacting objects, while in functional programming a program can be thought of as a sequence of stateless function evaluations.
A programming paradigm is a paradigmatic style of programming (compare with a methodology which is a paradigmatic style of doing software engineering).
http://www.answers.com/topic/programming-paradigm   (393 words)

  
 Essential Complexity
Programming language constructs such as the "<b>gotob>" statement only increase essential complexity when they are actually used to implement poorly structured logic, not just because they could be used that way.
Structured programming [DAHL] avoids unmaintainable "spaghetti code" by restricting the usage of control structures to those that are easily analyzed and decomposed.
It is important to note that the structured programming primitives used in the calculation of essential complexity are based on the control flow graph rather than the source code text.
http://hissa.nist.gov/HHRFdata/Artifacts/ITLdoc/235/chaptera.htm   (829 words)

  
 <b>GOTOb> <b><b>plusb>b> <b>plusb> programming language - encyclopedia article about <b>GOTOb> <b><b>plusb>b> <b>plusb> programming language.
<b>GOTOb> (also known as '<b>Gotob>' or 'Go to') – a branching construct in programming languages, infamous for its role in unstructured dialects of BASIC
that almost forces you to use gotos <b>Gotob> may mean:
This use of esoteric is meant to distinguish these languages from more popular programming languages, such as the APL programming language, that may appear esoteric (in the usual sense of the word) to some, although these are arguably "esoteric programming languages" too.
http://encyclopedia.thefreedictionary.com/GOTO%20plus%20plus%20programming%20language   (404 words)

  
 Structured Programming
In early programming languages, like Fortran (first invented in 1954) and various low level machine languages, the <b>gotob> statement allowed the computer to deviate from the sequential execution of the program instructions.
This was the birth of the discipline of Structured Programming.
Since the invention by Von Neumann of the stored program computer, computer scientists have known that a tremendous power of computing equipment was the ability to alter its behavior, depending on the input data.
http://condor.depaul.edu/~sjost/it236/documents/structured.htm   (460 words)

  
 SIGPLAN Notices
With the advent of structured programming and <b>GOTOb>-less programming, a method is needed to model computation in simply ordered structures, each representing a complete thought possibly defined in terms of other thoughts as yet undefined.
Certain control structures in programming languages, such as iteration, have no direct translation to flowchart language and must be built from simpler control structures, thereby losing the forest in the trees.
During one of these phases a flowchart may be drawn to describe the program at a level of abstraction somewhere between the problem statement and the code of the completed program.
http://www.geocities.com/SiliconValley/Way/4748/nsd.html   (1716 words)

  
 Wikinfo Computer science
Edsger Dijkstra, for algorithms, <b>Gotob> considered harmful, the semaphore (programming), rigor, and pedagogy.
Maurice Wilkes, for building the first practical stored program computer to be completed and for being credited with the ideas of several high-level programming language constructs.
Computer programming or software development is the act of writing program code.
http://www.wikinfo.org/wiki.php?title=Computer_science   (1050 words)

  
 Block Structured Programming Languages
All applied uses of a label follow the declaration and the lexical level of the destination of each <b>gotob> is known at the <b>gotob>.
The maximum possible length is the maximum nesting depth in the program.
The maximum number of display entries, equals the maximum length of a static chain, equals the maximum textual nesting depth in a program.
http://www.csse.monash.edu.au/~lloyd/tildeProgLang/PL-Block   (1050 words)

  
 5.3 - Structured programming paradigm/Structure Theorem
Programming was becoming more accessible, and the demand was increasing as magnetic disks and visual displays started to appear.
The evolution of computer programming made it both more readily accessible to more and more people with less and less training, and also hugely increased the demand at the same time.
The basis this movement was the Structure Theorem which had been postulated by Bohm and Jacopini, and the use of structured languages not requiring <b>GOTOb> and forcing the use of the fundamental structures.
http://portal.newman.wa.edu.au/technology/12infsys/html/KWH2003/StrucThrmKH.htm   (857 words)

  
 Intro to System Software, Chapter 17
In a sense, semaphores are something like the <b>gotob> statement in early programming languages; they can be used to solve a variety of problems, but they impose little structure on the solution and the results can be hard to understand without the aid of numerous comments.
A simple or binary semaphore is a semaphore which has only two values, zero and one; when used to solve the mutual exclusion problem, the value zero indicates that some process has exclusive use of the associated resource and the value one indicates that the resource is free.
Semaphores can be used to solve the mutual exclusion problem at the user level; for example, consider the code fragments shown in Figure 17.1.
http://www.cs.uiowa.edu/~jones/syssoft/notes/17conc.html   (6308 words)

  
 Extensible Programming for the 21st Century
Well-nested <b>gotob> statements become structured programming's conditionals and loops; records that are accessed only through companion functions become objects; functions that are identical except for data types become generics, and so on.
He is the author of Practical Parallel Programming (MIT Press, 1995), a contributing editor with Doctor Dobb’s Journal, and an adjunct professor in computer science at the University of Toronto.
These innovations will likely change programming as profoundly as structured languages did in the 1970s, objects in the 1980s, and components and reflection in the 1990s.
http://www.umsl.edu/~sauter/languages/flexible.html   (6308 words)

  
 Programming paradigm - Wikipedia, the free encyclopedia
For instance, pure functional programming disallows the use of side-effects; structured programming disallows the use of <b>gotob>.
For instance, in object-oriented programming, programmers can think of a program as a collection of interacting objects, while in functional programming a program can be thought of as a sequence of stateless function evaluations.
A programming paradigm is a paradigmatic style of programming (compare with a methodology which is a paradigmatic style of doing software engineering).
http://en.wikipedia.org/wiki/Programming_paradigm   (358 words)

  
 PL/I Programming Style
Probably no topic in computer programming has generated as much heat as the use of the <b>GOTOb> (or GO TO) statement.
The disadvantage of this approach is that the preprocessor variables are essentially reserved words throughout the program.
For maximum compatibility, program statements should be contained between columns two and seventy-two of each line.
http://home.nycap.rr.com/pflass/plistyle.htm   (2331 words)

  
 Why Tcl has no <b>GOTOb> command
SS Also note that you don't need break to exit from switch branches (like in C), so one of the uses of <b>gotob> in C (to exit a while loop that contains switch) is a non-issue in Tcl:
(Donal Fellows) Because "<b>gotob>"s are the bane of structured programming.
Inside that loop you have breaks, which essentially are <b>gotob>'s to the end of the loop.
http://wiki.tcl.tk/901   (629 words)

  
 Structured programming - Encyclopedia.WorldSearch
Structured programming languages provide constructs (often called "if-then-else", "switch", "unless", "while", "until", and "for") for creating a variety of loops and conditional branches of execution, although they may also provide a <b>GOTOb> to reduce excessive nesting of cascades of "if" structures, especially for handling exceptional conditions.
Structured programming can be seen as a subset or subdiscipline of procedural programming, one of the major programming paradigms.
It is possible to do structured programming in almost any procedural programming language, but since about 1970 when structured programming began to gain popularity as a technique, most new procedural programming languages have included features to encourage structured programming, (and sometimes have left out features that would make unstructured programming easy).
http://encyclopedia.worldsearch.com/structured_programming.htm   (846 words)

  
 Java programming language
Java does not have <b>gotob> statements, as their use is widely considered poor programming practice.
This leads to a "declarative" programming style where the programmer says what should be done and tools emit the code to do it.
Java's heavy use of heap-allocated objects causes programs to consume more memory than similar programs written in lower-level languages, where data storage can be optimized at a fine granularity.
http://www.php-include.com/Java_programming_language.php   (1890 words)

  
 Programming paradigm - Wikipedia, the free encyclopedia
For instance, pure functional programming disallows the use of side-effects; structured programming disallows the use of <b>gotob>.
For instance, in object-oriented programming, programmers can think of a program as a collection of interacting objects, while in functional programming a program can be thought of as a sequence of stateless function evaluations.
A programming paradigm is a paradigmatic style of programming (compare with a methodology which is a paradigmatic style of doing software engineering).
http://en.wikipedia.org/wiki/Programming_paradigms   (340 words)

  
 programming paradigm: Information From Answers.com
For instance, pure functional programming disallows the use of side-effects; structured programming disallows the use of <b>gotob>.
For instance, in object-oriented programming, programmers can think of a program as a collection of interacting objects, while in functional programming a program can be thought of as a sequence of stateless function evaluations.
A programming paradigm is a paradigmatic style of programming (compare with a methodology which is a paradigmatic style of doing software engineering).
http://www.answers.com/topic/programming-paradigm   (340 words)

  
 Sed programming language - definition of Sed programming language in Encyclopedia
Complex sed constructs are however possible, to the extent that it can be conceived of as a highly specialised, albeit simple, programming language.
sed's language does not have variables and only primitive <b>GOTOb> and branching functionality; nevertheless, the language is Turing-complete.
sed and AWK are often cited as the progenitors and inspiration for Perl; in particular the s/// syntax from the example above is part of Perl's syntax.
http://encyclopedia.laborlawtalk.com/Sed_programming_language   (707 words)

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