KBasic Professional Edition 2008 v1.89u Beta | 29 Mb
KBasic is an open source project backed by years of continual development. It comes with Java™-like object orientation andbackward support for VB6 and QBasic®, as it is 100% syntax compatible, but it is not a VB6 or VB.NET™ clone! Though it comes with support for VB.NET™ syntax, functionsand similar objects and classes as well. KBasic combines the expressive power of Object-Oriented languages like C++ with the familiarity and ease of use of VB6. It allows developerswith an installed base of VB6 applications to start developing for a mixed Windows®, Mac® OS X and Linux® environment without having to face a steep learning curve: KBasicuses the familiar visual design paradigm and has a full implementation of the BASIC language.
KBasic is made up of the following programs:
a development environment with visual formdesigner (IDE)
a compiler (KBC)
an interpreter (VM)
a graphical user interface component. (VM)
It is really easy to develop multi-platform GUI applications with well known BASICsyntax in a modern fashion, because KBasic uses the familiar visual design paradigm and has a full implementation of the BASIC language. KBasic uses Qt® to provide cross-platformfunctionality (Qt® is the leading cross-platform technology available worldwide).
Feature Overview
On the following sections you will get know KBasic. Though I cannot describeeverything in detail like in a programming book, I will describe some of KBasic’s nature and features at an expert level. Nevertheless if you know C++, VB6 or similar BASICs orJava™ you will not have difficulties to get along with KBasic. It shares many concepts of those programming languages.
The KBasic Book: this book contains detailed informationabout KBasic. You can find it in KBasic Software Atelier in the menu ‘Help’. So if you are interested in a line-by-line coverage please refer to The KBasic Book.
•Write once and deploy native applications for Windows®, Mac® OS X and Linux®
• OOP RAD features deliver high productivity
• Much cheaper than otherBASIC’s
• “backward” support for VB6 and “forward” support for inheritance and other OOP features
• do it on multiple platforms
• Portingexisting VB6 projects is easy, because KBasic is 100% syntax compatible
• Familiar development process, environment
• Same syntax as VB6
• Easy to learn: built-in Tipsand language reference
• Be more productive with OOP RAD features
• Built-in memory management via reference counting
• True cross-platform deployment
• Familiarlanguage features: OOP, single inheritance, exceptions, etc.
• Drag & drop GUI development
• Rich UI widgets set
• Familiar editing features: easy and fast browsingof your source code
• Familiar editing features II: Auto-Completion of builtin-functions and datatypes, even user defined functions and types
• Auto-Completion (Professionalversion only)
• Familiar debugging features: single step, showing variables’ values, local and global scope
• Familiar Install/Uninstall features: for Linux (KDE), MacOS X and Windows
Feature Detail
KBasic is object oriented with objects and classes, single inheritance and polymorphism and private, public, protected scope of objects’elements
KBasic is syntax compatible to old BASICs like QBasic® or VB6
• optional parameter
• paramarray
• named arguments
• on error goto
• label andgoto
• variable naming (with shortcuts like name$ or n%)
• property handling
• primitive variables also arrays and user defined types can be passed to functions byreference
KBasic contains a virtual machine
• automatic garbage collection
• protected data and arrays
• modern error management through exception handling
KBasic isnot only one programming language but is also three languages.
Through one of the following command you can switch KBasic into one mode.
• If you want to use KBasic newestfeatures (Default) use OPTION KBASIC
• If you want to use old VB6 code use OPTION OLDBASIC
• For very old BASIC code like QBasic you should use: OPTION VERYOLDBASIC
It ispossible to use all three modes in one of your program, e.g. one module uses one mode and the other module of your program use another mode. Just place one of these lines in top ofyour module. Default is OPTION KBASIC.
Of course like other programming languages, KBasic comes with commands for control flow, conversion/casts, error handling, events and libraryfunctions like for gui, input or output, maths and so on. See the language reference for more. But besides this you should be familiar with the following main parts.
• Class /Module
• Sub / Function / Method
• Variable / Constant / Property
• Array
• Type
• Enum
If you start working on your first KBasic program keep in mind that isvery similar to VB6. You have modules or classes and forms, which work together. Events in your forms are triggered by the user and you can react to them within your program insideits subs.
Annotations
• Type
• Variable / Constant / Property
• Variable Scope
• global
• module
• class
• local
• module function or modulesub
• class static method
• class instance method
• Array
• static
• dynamic
• Sub / Method
• default arguments
• arguments by reference or byvalue depending on primitive type are possible
• function overloading possible
• recursive calls are possible
• non-primitive local variables (objects) will not beautomatically destroyed if there is a reference to it
• exception handling
• Function / Method
• default arguments
• arguments by reference or by value dependingon primitive type are possible
• function overloading possible
• recursive calls are possible
• (user defined types and arrays can be returned as well (in thefuture))
• non-primitive local variables (objects) will not be automatically destroyed if there is a reference to it
• exception handling
• Scope
• global
•module
• class static
• class instance
• local
• module
• class static
• class instance
• Class
• Constructor (method overloadingpossible)
• Default Constructor (automatically called if there is no constructor defined)
• Destructor (automatically called by garbage collector)
• instance methods(works on variables of an object of a class)
• static methods (works without any relation to an object)
• instance variables (private, public, protected), variables of anobject of a class
• static variables (works without any relation to an object)
• static source code part of class (will be executed on start up of your program)
•static constants
• property support
• variables (private, protected, public)
• constants (private, protected, public)
• types / enum can be private orpublic
• all methods are ‘virtual’ (speaken in C++ terminology), which means that the child method is called by parent class instead the original parent method whichwas overwritten by the child class
• Module
• subs or functions
• variables (private, public)
• constants (private, public)
• types / enum can be private orpublic
• Global
• subs or functions
• variables
• constants
• types / enum
Password: ollydbg

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