Whenever you modify the language definition, also make sure to Transform All Templates. You can provide additional code to refine the behavior of the model and to define constraints over your language.
If required, you can make significant changes by modifying the text templates. The package displays a toolbox, a DSL explorer, and other UI elements that let users create models by using your domain-specific language. When you build and run the DSL Tools solution in Visual Studio, a second instance of Visual Studio shows you how your domain-specific language looks to the user of the language.
After you verify that everything works correctly, you can distribute the. Skip to main content. This browser is no longer supported. Do you have particular good experience with MDD in the. Unlike you, we prefer an Eclipse environment. About RSS. SDLC Blog. Categories agile 8 ajax 3 analyst 1 books 2 borland 3 case 5 ci 2 collaboration 7 computers 2 conferences 13 data-modelling 1 dsdm 1 eclipse 20 funny 19 history 4 ibm 38 ide 18 intellij 1 jbuilder 1 languages 5 links mac 2 mainframe 8 mda 5 mdd 7 methodologies 23 microsoft 11 netbeans 2 off-topic 12 open-source 1 people 2 personal 3 qa 3 scm 3 scrum 4 sdlc 5 second-life 4 soa 4 software-architecture 3 software-development 23 supercomputers 1 tdd 1 tools 8 uml 3 up 1 visual-studio 3 web For more details, see this blog post.
A domain-specific language is a notation, usually graphical, that is designed to be used for a particular purpose. By contrast, languages such as UML are general-purpose. In a DSL, you can define the types of model element and their relationships, and how they are presented on the screen. The notation is only part of a DSL. Together with the notation, your VSIX package includes tools that users can apply to help them edit and generate material from their models.
One of the principal applications of DSLs is to generate program code, configuration files, and other artifacts. Especially in large projects and product lines, where several variants of a product will be created, generating many of the variable aspects from DSLs can provide a large increase in reliability and a very rapid response to requirements changes. The rest of this overview is a walkthrough that introduces the basic operations of creating and using a domain-specific language in Visual Studio.
The Text Template Transformation component is automatically installed as part of the Visual Studio extension development workload. You can also install it from the Individual components tab of Visual Studio Installer, under the SDKs, libraries, and frameworks category.
To create a new domain-specific language, you create a new Visual Studio solution by using the Domain-Specific Language project template. On the File menu, point to New , and then click Project. The templates are useful starting points. Each of them provides a complete working DSL, which you can edit to suit your needs. Ordinarily, you would choose the template nearest what you want to create.
Enter a file name extension for your DSL in the appropriate wizard page. This is the extension that files containing instances of your DSL will use. Choose an extension that is not associated with any application in your computer, or in any computer where you want to install the DSL. For example, docx and htm would be unacceptable file name extensions.
The wizard will warn you if the extension that you have entered is being used as a DSL. Consider using a different file name extension. A solution is generated that contains two projects. They are named Dsl and DslPackage. A diagram file opens that is named DslDefinition. Most of the code that you can see in the folders in the two projects is generated from DslDefinition. For this reason, most modifications to your DSL are made in this file. This solution defines a domain specific language. Almost all the code in the solution is generated from this file, and most of the changes that you make to a DSL definition are made here.
Dsl project This project contains code that defines the domain-specific language. You can run the DSL solution as soon as you have created it. Later, you can modify the DSL definition gradually, running the solution again after each change. This regenerates most of the source code from DslDefinition.
Whenever you change DslDefinition. You can automate this step. Press F5 , or on the Debug menu, click Start Debugging. An experimental instance of Visual Studio starts.
The experimental instance takes its settings from a separate subtree of the registry, where Visual Studio extensions are registered for debugging purposes. Normal instances of Visual Studio do not have access to extensions registered there. For the future it's most likely that Oslo in two weeks no longer called Oslo will provide the infrastructure for DSL Tools metamodel, database, query-language. At least we can expect some integration between the two.
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