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    0.1.7 • Public • Published

    openVALIDATION Language Server

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    This is a language-server implementation of the domain-specific-language openVALIDATION.

    Implemented features of the protocol

    • Jump to declaration
    • Find references
    • Highlight occurrences
    • Code completion
    • Diagnostics reporting
    • Documentation on hover
    • Rename symbol
    • Folding
    • Formatting

    Additional features

    In addition to the features of the lsp, we provide the following openVALIDATION-specific features.

    • Syntax-Highlighting
    • Generated Code
    • Language-Specific-Definitions

    Syntax-Highlighting is currently implemented by tokenizing the whole file and calculate the range for specific tokens. The list of tokens gets automatically send to the client over the notification-method openVALIDATION/semanticHighlighting.

    In addition the new generated code gets send to the client over the notification-method openVALIDATION/generatedCode. This always happens, when code gets written and the parser generated new code.

    Last but not least the language-server is able to handle changes of the schema-, culture- and language-parameters. This can be done by the client by sending notifications over the methods openVALIDATION/schemaChanged, openVALIDATION/cultureChanged and openVALIDATION/languageChanged. The possible values of these parameters can be seen under the openVALIDATION-documentation.

    Providing a dynamic schema

    To provide a Schema for openVALIDATION the language-server defines the new openVALIDATION command Use Schema. With this command, you can provide a JSON-Schema by pasting the file path to the command.

    For example, the following command refers to a JSON-Schema with a relative path.

    Use Schema ./schema.json

    It is also possible to use an absolute path instead of a relative. We look forward to supporting more schema types like YAML, but currently, only JSON files can be used.

    Getting started


    npm install ov-language-server

    Run the language server

    node .\node_modules\ov-language-server\dist\start-server.js

    Connect to the language server

    You can connect to the language server with the url localhost:3010 for example with the monaco-languageclient. You can also specify an own port with the variable PORT.


    The language server is currently not used in a specific client. But stay tuned, we will provide an extension for several editors soon!


    npm i ov-language-server

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    • nico.lueg
    • openvalidation