CodeDom – An Advance Technique For Code Generation at Run Time


CodeDom, which stands for Code Document Item Model, is one advance approach supplied by Microsoft.Net Framework to create code at operate-time. At software degree, it gives programmers the functionality to compose a single language-independent code that can emit source code in a certain language for later on needs.

Code Document Object Model lies inside the System.CodeDom namespaces of the.Net Framework. The CodeDom has the following benefits:

From a solitary code that makes use of the CodeDom to represent the structure of source code that can create supply code of any language supports the CodeDom specification.

The CodeDom enables source code and assemblies to be produced, compiled, and executed dynamically at runtime.

It gives a language impartial item product for symbolizing the framework of source code in memory.
It acts as a supply code translator between different languages.

Widespread usages of the CodeDOM consist of:

Generating template code for emitting code wizards, coding examples, XML Internet companies client proxies, and so on.

Dynamically compiling code in languages supported.
T4 (Textual content Template Transformation Toolkit) is yet another strong era tool presented by Microsoft.web Framework. Not like the CodeDom, T4 utilizes string concatenation to produce textual template to make code. A great deal of the output code will be place into template blocks, in get to make the code generator effortless to develop and personalize. Nonetheless, T4 is a language dependent and will require a different code generator for each and every output language. On the other hand, the CodeDom allows developers use a single resource code to make the same issue in distinct languages, which naturally give a huge benefit in developing.Net Framework instruments.

Most programing constructs, such as declarations, statements, arrays, casts, iterations, error managing and others, is supported by the CodeDom. For programing constructs that are not presently supported in CodeDom, “snippet” classes including the CodeSnippetCompileUnit, CodeSnippetExpression, CodeSnippetStatement, and CodeSnippetTypeMember can be used as generic illustration. For producing code in a specific language, a corresponding CodeDomProvider course will be required.

Currently there are Microsoft.CSharp.CSharpCodeProvider and Microsoft.VisualBasic.VBCodeProvider that can be utilised to create C Sharp code and VisuaBasic.internet code. Other programming languages will not have CodeDomProvider however, and might not have simple ways to depict some CodeDom constructions (delegates, enums, templates, and framework) thanks to big difference in language technical specs. qr codes Nevertheless, producing a CodeDomProvider is not a really sophisticated process, if the enter CodeDom composition is limited. Programmers can always create a CodeDomProvider for a specific language by inheriting from CodeDomProvider, and toss exceptions if the development is also difficult to represent.

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