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How to: Create a Domain-Specific Language Solution

  • [アーティクル]

Applies to: yesVisual Studio noVisual Studio for Mac

Note

This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here

A domain-specific language (DSL) is created by using a specialized Visual Studio solution.

Prerequisites

Before you can start this procedure, install these components:

  • Visual Studio
  • Visual Studio SDK (installed as part of the Visual Studio extension development workload)
  • Modeling SDK (installed as a Visual Studio component)

Note

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. Install the Modeling SDK component from the Individual components tab.

Creating a Domain-Specific Language Solution

  1. Start the DSL Wizard by creating a new Domain-Specific Language Designer project.

    Note

    Preferably, the name that you choose for the project should be a valid Visual C# identifier because it might be used to generate code.

    Create DSL dialog

  2. Choose a DSL template.

    On the Select Domain-Specific Language Options page, select one of the solution templates such as Minimal Language. Choose a template that is similar to the DSL that you want to create.

    For more information about solution templates, see Choosing a Domain-Specific Language Solution Template.

  3. Enter a filename extension on the File Extension page. It should be unique in your computer, and in any computers on which you want to install the DSL. You should see the message No applications or Visual Studio editors use this extension.

    • If you have used the file name extension in previous experimental DSLs that have not been fully installed, you can clear them out by using the Reset the Experimental Instance tool, which can be found in the Visual Studio SDK menu.

    • If another Visual Studio Extension that uses this file extension has been fully installed on your computer, consider uninstalling it. On the Tools menu, click Extension Manager.

  4. Inspect, and if necessary adjust, the fields in the remaining pages of the wizard. When you are satisfied with the settings, click Finish. For more information about the settings, see DSL Designer Wizard Pages.

    The wizard creates a solution that has two projects, which are named Dsl and DslPackage.

    Note

    If you see a message that alerts you not to run text templates from untrusted sources, click OK. You can set this message not to appear again.

The DSL Designer Wizard Pages

You can leave several of the fields unchanged from their default values. However, make sure that you set the File Extension field.

Solution Settings page

Which Template would you like to base your domain specific language on? Choose a template that is similar to the DSL that you want to create. The different templates provide convenient starting points. When you select a solution template, the wizard displays a description. For more information about solution templates, see Choosing a Domain-Specific Language Solution Template.

What do you want to name your domain-specific language? Defaults to the solution name. Code is generated from this value. It must be valid as a C# class name.

File Extension page

What extension should model files use? Type a new file extension.

Verify that this file extension has not already been registered for use in this computer, as follows:

Look under Other tools and applications registered to handle this extension. If you see the message No applications or Visual Studio editors use this extension, then you can use this file extension.

If you see a list of tools or packages, you should do one of the following:

  • Type a different file extension.

    - or -

  • Reset the Visual Studio Experimental Instance. This will unregister all of the DSLs that you have previously built. On the Start menu, click All Programs, Microsoft Visual Studio 2010 SDK, Tools, and then Reset the Microsoft Visual Studio 2010 Experimental instance. You can rebuild any other DSLs that you want to use again.

    - or -

  • If a Visual Studio Extension that uses this file extension has been fully installed on your computer, uninstall it. On the Tools menu, click Extension Manager.

Product Settings page

What is the name of the product that the new domain-specific language belongs to? Defaults to the DSL name.

This value is used in Windows Explorer (or File Explorer) to describe files that have this file extension.

What is the name of the company that the product belongs to? Your company name.

This value is incorporated into the AssemblyInfo properties of your DSL package.

What is the root namespace for projects in this solution? This defaults to a name composed from your company and product names.

Signing page

Create a strong name key file The default option is to create a new key to sign your DSL assembly.

Use existing strong name key Use this option if you want to integrate your DSL with another assembly.

For more information about strong naming, see Creating and Using Strong-Named Assemblies.

See also