CodeDom – An Progress Strategy For Code Generation at Operate Time

CodeDom, which stands for Code Document Object Model, is one advance approach provided by Microsoft.Net Framework to make code at run-time. At application amount, it provides programmers the ability to create a one language-unbiased code that can emit supply code in a particular language for afterwards needs.

Code Doc Object Design lies within the Program.CodeDom namespaces of the.Web Framework. The CodeDom has the subsequent positive aspects:

From a one code that makes use of the CodeDom to symbolize the composition of source code that can create resource code of any language supports the CodeDom specification.

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

It offers a language independent item design for representing the structure of resource code in memory.
It acts as a resource code translator amongst various languages.

Widespread usages of the CodeDOM consist of:

Creating template code for emitting code wizards, coding examples, XML World wide web services customer proxies, and so on.

Dynamically compiling code in languages supported.
T4 (Text Template Transformation Toolkit) is yet another powerful generation resource supplied by Microsoft.web Framework. Not like the CodeDom, T4 employs string concatenation to develop textual template to make code. A great deal of the output code will be set into template blocks, in purchase to make the code generator effortless to develop and customize. Even so, T4 is a language dependent and will need to have a different code generator for each output language. On the other hand, the CodeDom permits builders use a solitary resource code to generate the exact same factor in distinct languages, which naturally give a huge benefit in establishing.Web Framework equipment.

Most programing constructs, including declarations, statements, arrays, casts, iterations, error managing and other folks, is supported by the CodeDom. For programing constructs that are not presently supported in CodeDom, “snippet” courses including the CodeSnippetCompileUnit, CodeSnippetExpression, CodeSnippetStatement, and CodeSnippetTypeMember can be used as generic illustration. For making code in a specific language, a corresponding CodeDomProvider class will be needed.

Currently there are Microsoft.CSharp.CSharpCodeProvider and Microsoft.VisualBasic.VBCodeProvider that can be employed to produce C Sharp code and VisuaBasic.internet code. Other programming languages will not have CodeDomProvider yet, and might not have straightforward approaches to represent some CodeDom constructions (delegates, enums, templates, and framework) because of to distinction in language requirements. Nevertheless, generating a CodeDomProvider is not a very sophisticated job, if the input CodeDom framework is limited. create qr code Programmers can constantly create a CodeDomProvider for a certain language by inheriting from CodeDomProvider, and toss exceptions if the building is too tough to symbolize.

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