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Piet::Interpreter 0.03

Piet::Interpreter 0.03


Piet::Interpreter is a Perl interpreter for the Piet programming language. more>>
Piet::Interpreter is a Perl interpreter for the Piet programming language.

SYNOPSIS

use Piet::Interpreter;

my $p = Piet::Interpreter->new(image => my_code.gif);

$p->run;

Piet is a programming language in which programs look like abstract paintings. The language is named after Piet Mondrian, who pioneered the field of geometric abstract art. The language is fully described at http://www.physics.usyd.edu.au/~mar/esoteric/piet.html. A Piet program is an image file, usually a gif, which uses a set of 20 colors and the transitions between blocks of those colors to define a series of instructions and program flow. See the above URL for more details. (Note: some sample programs there may not work, as they were constructed before a working interpreter was available.)

Since Piet is a visual language, an image parsing mechanism is required. This module uses Image::Magick, so it would be to your advantage to download, install, and test that module and its related stuff before trying to use this one.

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Added: 2006-08-29 License: Perl Artistic License Price:
1164 downloads
WhileInterpreter 4.2

WhileInterpreter 4.2


WhileInterpreter is an interpreter for the WHILE programming language used for learning purpose. more>>
WhileInterpreter is an interpreter for the WHILE programming language used for learning purpose.

WhileInterpreter has few constructs and easy semantics.

Command line interpreters allow users to issue various commands in a very efficient (and often terse) way. This requires the user to know the names of the commands and their parameters, and the syntax of the language that is interpreted. From the 1960s onwards, user interaction with computers was primarily by means of command line interfaces.

In the 1970s, researchers began to develop graphical user interfaces (GUIs)to provide an alternative user interface for computers, whereby commands were represented by pictorial operations, rather than as textual descriptions. Since they are easier to learn than command line interfaces, they have become the most common way of interacting with a computer.

However, command line interpreters remain widely used in conjunction with GUIs. For some complex tasks, the latter are less effective because of the large number of menus and dialog boxes presented and because of the innate difficulty of representing the underlying task graphically.
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Added: 2006-03-16 License: Free For Educational Use Price:
1317 downloads
The Jim Interpreter 0.51

The Jim Interpreter 0.51


The Jim Interpreter is a small footprint implementation of the Tcl programming language. more>>
Jim is an opensource small footprint implementation of the Tcl programming language. It implements a large subset of Tcl and adds new features like references with garbage collection, closures, built-in Object Oriented Programming system, Functional Programming commands, First class arrays. All this with a binary size of 70kb (that can be reduced further excluding some command).
Jim is currently a work in progress, but most of the core language is already implemented and it is possible to use it to run many unmodified Tcl programs, so if you want to start to evaluate it, or want to look at our internal design and virtual machine, go to the download section.
Jims goal is to provide a powerful language implemented in roughly 10k lines of code that is presented as a single C file and an header file, in order to allow developers to put Jim inside their applications, as scripting language, configuration file syntax, without to depend on external libraries or other big systems.
We belive scripting is a very interesting feature for many applications, but developers are often not encouraged to link the application to a big external system. Jim try to address this problem providing a very simple to understand and small footprint implementation of a language that is ideal for scripting, and at the same time is powerful and able to scale.
Another field where Jim may help is the one of Embedded Systems. Jim is written in ANSI-C, is very little both in binary size and memory requirements, and the Tcl language is just ideal for this tasks (For example, CISCO routers are using Tcl).
Main features:
- Support for important features that will be availabe in Tcl8.5, like dict and {expand}.
- Arrays in Jim arent collection of variables like in Tcl, but a first class type. Array access syntax is in Jim syntax sugar to set and get dictionaries elements.
- A compact design. Jim is currently less than 10k lines of code. It does a heavy use of dual ported objects, in Jim even the VM pseudo-bytecode is a specialized Jim_Obj type.
- lambda with garbage collection, and a reference system to build linked data structures.
- closures, Jims procedures can have persistent procedure-specific variables (called statics). Statics initialization value can be caputred form the procedure creation context, so it is very similar to lexical scoping to use. This is how The Paul Grahams accumulator procedure looks like in Jim:
proc accumulator n {
lambda increment n {
set n [+ $n $increment]
}
}
- Math operations as commands (together with expr support).
- Ability to load extensions at runtime via a STUB system. Even programs using Jim that are linked statically are able to load extensions.
- 70Kbyte binary size!.
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Added: 2005-04-14 License: The Apache License 2.0 Price:
1654 downloads
Java RAM Interpreter 1.0

Java RAM Interpreter 1.0


Java RAM Interpreter is a Random Access Machine simulator. more>> <<less
Download (0.027MB)
Added: 2005-04-14 License: GPL (GNU General Public License) Price:
1655 downloads
Php Logo Interpreter 0.1

Php Logo Interpreter 0.1


Php Logo Interpreter project is a logo language interpreter. more>>
Php Logo Interpreter project is a logo language interpreter.

This package implements an interpreter of the Logo programming language.

It implements almost all features of the Logo programming language, including procedure definition, recursion call, etc..

The output of the execution of logo programs is rendered on an image resource that can be outputted in any supported by the PHP GD extension.

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Added: 2007-05-29 License: GPL (GNU General Public License) Price:
881 downloads
Regina Rexx Interpreter 3.3

Regina Rexx Interpreter 3.3


Regina Rexx Interpreter is a portable implementation of the ANSI Standard for Rexx. more>>
Regina is a Rexx interpreter that has been ported to most Unix platforms (Linux, FreeBSD, Solaris, AIX, HP-UX, etc.) and also to OS/2, eCS, DOS, Win9x/Me/NT/2k/XP, Amiga, AROS, QNX4.x, QNX6.x BeOS, MacOS X, EPOC32, AtheOS, OpenVMS, SkyOS and OpenEdition.
Rexx is a programming language that was designed to be easy to use for inexperienced programmers yet powerful enough for experienced users. It is also a language ideally suited as a macro language for other applications.
I am not the author of Regina, but have assumed responsibilities for future maintenance with the full support of the author, Anders Christensen.
There are two major goals for Regina:
- become 100% compliant with the ANSI Standard.
- be available on as many platforms as possible
With the release of Regina 3.1, the first goal has been achieved. Regina now implements all ANSI features, as far as I know. Until an ANSI test suite is available, then youll have to take my word for it.
Enhancements:
- Integration of Florians Generic Call Interface (GCI) into Regina.
- Supported platforms to date are Windows, OS/2 and Linux.
- Fixed bug with TRACE F and its "conversion" into "N" on a subsequent call to TRACE BIF.
- Addition of Polish native language support courtesy of Bartosz Kozlowski.
- PARSE LOWER and PARSE CASELESS added.
- Major changes to EXIT handling
- Regina determines internal and external queues by the fact that external queues MUST have a @ in the name. Therefore any time a queue name is used; in RXQUEUE or ADDRESS...WITH, then if the queue name has a @ then Regina treats this as an external queue, and requires the RXSTACK server to be running.
- New BIF POOLID. Allows the current variable pool number to be obtained (effectively the level of called subroutines).
- VALUE BIF allows environment to be a number corresponding to a variable pool number. Therefore unEXPOSEd variables in any subroutine can be accessed.
- API functions Rexx*Dll() now implemented.
- Locale support for BIFs like TRANSLATE now supported, and can be overridden from command line. (-l switch)
- Algorithm for determining where a Rexx program is (either from command line, or a CALL statement called. Apart from a change in the precedence of directories an environment variable REGINA_SUFFIXES is used to supplement the file extensions that Regina uses to append to the passed file name. More details can be found in the Regina documentation.
- Regina OPTIONS can now be specified as an environment variable, which will set the
- default values for OPTIONS. The OPTIONS instruction can still be used and will override the defaults.
- A new OPTION has been added; CALLS_AS_FUNCS to allow programs that use the non-ANSI format of "CALL label(arg1,arg2)". Although this is implemented as an OPTION, it can only be set via the REGINA_OPTIONS environment variable!
- Another new OPTION; QUEUES_301 to duplicate the behaviour of Regina queues; both
- internal and external.
- Some memory leak fixes with INTERPRET and some "handle leaks" under Windows fixed.
- Initial support for SkyOS
- Fixed some old bugs: (documented in BUGS file) 19991216-29512, 20000319-63722, 36
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Added: 2005-04-15 License: LGPL (GNU Lesser General Public License) Price:
1660 downloads
Simple Forth Interpreter 1.0

Simple Forth Interpreter 1.0


Simple Forth Interpreter is a Java implementation of a subset of the ANS Forth language. more>>
Welcome to the SFI website. The Simple Forth Interpreter (SFI in short) is a Java implementation of a little subset of the ANS Forth language.
The goal of SFI is to develop a small interpreter to be embedded in any application and provide scripting functionality with low resources.
SFI follows the ANS Forth standard where reasonably possible, provides a simple way by inheritance to customize and integrate the interpreter in any existing application and a simple interface to play with the Forth code.
Why Forth? The interpreter its pretty simple and small, its an easy to learn language and the extend with user defined words fits quite well the idea of a language for scripting purposes.
Enhancements:
- Bug fix into TOK_NWORD parsing strings and comments.
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Download (0.024MB)
Added: 2005-04-15 License: MIT/X Consortium License Price:
1659 downloads
PHP/JavaScript interpreter 0.01011

PHP/JavaScript interpreter 0.01011


PHP/JavaScript interpreter is a PHP JavaScript script interpreter for server-side use. more>>
This scripting language interpreter is implemented in PHP and allows to execute user-supplied JavaScript-lookalike code server-side, without compromising security because everything runs safely in a sandbox.

This is of course much slower than a real interpreter, but is useful for integration into CMS/Wiki engines to have users extend a sites dynamic functions.

It can be connected to the hosting interpreter (PHP) by allowing access to certain (interface) functions and even PHP variables.
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Added: 2005-04-15 License: Freeware Price:
1657 downloads
Simple Machine Language interpreter

Simple Machine Language interpreter


Simple Machine Language interpreter is a simple machine language interpreter. more>>
SML is a "toy" machine language intended to teach basic processor concepts. This website contains an explanation and definition of SML, as well as an interpreter and example SML programs. GPLd source code for the interpreter is available, as well as binaries for Windows and Linux.

A machine language defines a set of instructions that a CPU can execute to perform operations. In other words, a machine language defines what you can do with your computer. Modern processors have very complex instruction sets; however, the simple language described here can give you an understanding of what is happening "under the hood" with your computer.

Machine language is the actual data that is directly run by the processor. Writing a program in machine language can therefore be advantageous if you need to save space or highly optimize your code. However, machine language is also not portable and can be difficult to understand and maintain.

Therefore, almost all code is now written in a higher level language, such as C, C++, Java, or scripting languages such as shell or perl. These languages all have their advantages and disadvantages as well, such as varying levels of portability, maintainability, scalability, and execution speed.

One level higher than machine language is assembly language. Assembly language is basically readable machine language. Instead of writing out the code bit-by-bit, you write out the code as a sequence of human readable instructions, which are then compiled almost directly into machine language.

Assembly language is almost always used instead of machine language when such a direct level of control is needed. For example, some games implement part of their code in assembly in order to maximize execution speed. Assembly can be "inlined" into some higher level languages, like C. This means that the assembly is defined as a callable procedure from within the C code.
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Added: 2005-04-14 License: GPL (GNU General Public License) Price:
1668 downloads
Kits JavaScript Brainf*ck Interpreter 0.01

Kits JavaScript Brainf*ck Interpreter 0.01


Kits JavaScript Brainf*ck Interpreter is a rather fast interpreter for the Brainf*ck esoteric programming language. more>>
Kits JavaScript Brainf*ck Interpreter is a rather fast interpreter for the Brainf*ck esoteric programming language.
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Added: 2007-08-13 License: GPL (GNU General Public License) Price:
807 downloads
Z-machine Preservation Project 0.92_02

Z-machine Preservation Project 0.92_02


The Z-machine Preservation Project is a Java implementation of the Z-machine. more>>
The Z-machine Preservation Project is a Java implementation of the Z-machine.

Z-machine Preservation Project is to provide a Z-code interpreter in Java that conforms to the standard and is easy to comprehend, maintain, and extend.

Architecturally, it consists of a Z-machine core system that is independent of a particular user interface technology. The core systems behaviour is documented and verified through its test cases.

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Added: 2007-03-28 License: GPL (GNU General Public License) Price:
944 downloads
lafontaine 0.3R3

lafontaine 0.3R3


lafontaine project is a graphical logo interpreter. more>>
lafontaine project is a graphical logo interpreter.
It was made for educational use.
Main features:
- the interface is easy to apprehend,
- there is a specific Logo language version for each country,
- Lafontaine is highly portable (by using the gtk library)
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Added: 2006-10-27 License: GPL (GNU General Public License) Price:
1093 downloads
KLogo-Turtle 0.6

KLogo-Turtle 0.6


The KLogo-Turtle is an interpreter of the LOGO language for KDE desktops. more>>
The KLogo-Turtle is an interpreter of the LOGO language for KDE desktops.
The KLogo-Turtle is a useful tool for teaching geometry and the basic principles of the programming of computer. Children can study the mathematics of geometry in an interactive and constructive way.
KLogo-Turtle has syntax a little different than the LOGO language developed at MIT. Look at the documents link. Comments, doubts and suggestions, please use the e-mail link.
KLogo-Turtle supports commands in the languages english, portuguese, german, italian and french.
KLogo-Turtle is under the GPL license and is developed in KDevelop by Euclides Chuma.
Enhancements:
- Release version stable (0.6) with support for commands in english, portuguese, german, italian and french.
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Added: 2005-06-01 License: GPL (GNU General Public License) Price:
1627 downloads
VisiScript 0.4.3

VisiScript 0.4.3


VisiScript is a simple graphical frontend for scripting languages like minscript, Python,Ruby, Perl, Tcl, Lisp/Scheme. more>>
VisiScript is a simple graphical frontend for scripting languages like minscript, Python,Ruby, Tcl, Perl, Lisp/Scheme or others.
VisiScript runs on the Qtopia desktop environment of the Zaurus and on all platforms supporting Qt 3.x.
With this program you can read, modify, save and execute script files and select different script languages. For the execution of the scripts the progam uses available script interpreters.
Since version 0.3.0 of VisiScript the QScintilla library is used as the editor-widget, this means that VisiScript is now a very comfortable programming editor with syntax highlighting and many other features.
To run a script VisiScript starts the actual selected script interpreter in an external process with the (temporary) script file. The output of this external process will be displayed in a text field below the script text field.
You have to install at least one additional script interpreter on the zaurus to use this program in an appropriate way. Here is a (not complete) list of available script languages for the Zaurus:
- minscript (a Java/C++ like script language)
- Python
- Ruby
- Perl
- Tcl
- Lush (a Lisp interpreter)/Scheme48
- Chicken
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Added: 2006-01-27 License: GPL (GNU General Public License) Price:
1365 downloads
The Complex Language 0.1

The Complex Language 0.1


The Complex Language project is an object oriented programming language intended for scripting or rapid apps prototyping. more>>
The Complex Language project is an object oriented programming language intended for scripting or rapid prototyping of applications.
The design goals were to have very few simple but powerful concepts and to be easy to use and easy to learn. The project provides a working interpreter along with a complete specification of the language.
Enhancements:
- This is the first release of the specification and the corresponding interpreter.
- The corresponding library is very poor, and there are probably still bugs in the interpreter.
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Added: 2007-07-02 License: GPL (GNU General Public License) Price:
844 downloads
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