![]() Note that there may be a few errors logged on startup, usually reflecting syntax errors in SWI-Prolog system libraries. Prolog > Pls: Local Directory - only needed if chose From a local directory in the previous setting, but if so should be set to the directory where PLs was cloned.Īfter changing these settings, reload the VS Code window, and look for "Pure Prolog Language Server" in the Output window.Most important thing to keep in mind while writing prolog program - 'order of writing facts & rules always matters'. knowledge base) in top-down manner and resolves the goals or subgoals in left-to-right manner. Prolog > Pls : Load From - if PLS installed as a package, leave the default From a globablly installed package as the selection if cloned to a local directory, choose From a local directory Prolog always performs depth-first-search, Matches facts & rules (i.e.Prolog: Executable - this should be the full path to the installed swipl executable for running Prolog applications.Once these installations are complete, ensure these settings are configured in VS Code (filter for prolog to find easily): The recommended path for installing the latter is to run swipl in a terminal, then run pack_install(prolog_lsp).Īlternatively, one can clone the Git repository for the Prolog Language Server to a local directory from. This extension relies upon both an installation of SWI-Prolog, but also the Prolog Language Server. ![]() ![]() Worst case, check for a rogue swipl process running in the background, and use your operating system's tools to quit it. If the extension stops working, simply reload the VS Code window. This extension is still in an alpha state, and is actively used for developing the Prolog Language Server behind it, please expect bugs and imperfections. ![]() Pull requests are welcome for those that wish to adapt it to support other Prolog implementations.Ĭurrently supports the following features, both for the current project source, system libraries, and any installed packages. A VS Code Extension for Prolog, leveraging a pure Prolog language server.Ĭurrently this extension supports SWI-Prolog, and may leverage features native to that implementation. ![]()
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