Modern Fortran language support for VSCode

This extension provides support for the Fortran programming language. It includes syntax highlighting, code snippets and a linting based on gfortran. You can download the Visual Studio Code editor from here.

Features

• Syntax highlighting
• Code Snippets
• Documentation on hover for intrinsic functions
• Code linting based on gfortran to show errors wiggles in your code
• Code autocompletion (beta)
• Symbols provider

Settings

You can control the include paths to be used by the linter with the fortran.includePaths setting.

{
    "fortran.includePaths": [
        "/usr/local/include",
         "/usr/local"
    ]
}

By default the gfortran executable is assumed to be found in the path. In order to use a different one or if it can't be found in the path you can point the extension to use a custom one with the fortran.gfortranExecutable setting.

{
    "fortran.gfortranExecutable": '/usr/local/bin/gfortran-4.7',
}

If you want to pass extra options to the gfortran executable or override the default one, you can use the setting fortran.linterExtraArgs. By default -Wall is the only option.

{
    "fortran.linterExtraArgs": ['-Wall'],
}

You can configure what kind of symbols will appear in the symbol list by using

{
    "fortran.symbols": [ "function", "subroutine"]
}

The available options are

• "function"
• "subroutine"
• "variable"
• "module" (not supported yet)
• "program" (not supported yet)

and by default only functions and subroutines are shown

You can also configure the case for fortran intrinsics auto-complete by using

{
    "fortran.preferredCase": "lowercase" | "uppercase"
}

Snippets

This is a list of some of the snippets included, if you like to include additional snippets please let me know and I will add them.

Program skeleton

Module skeleton

Error wiggles

To trigger code validations you must save the file first.

Fortran Language Server (Experimental)

This extension uses a host of tools to provide the various language features. An alternative is to use a single language server that provides the same feature.

Set fortran.useLanguageServer to true to use the Fortran language server from Chris Hansen for features like Hover, Definition, Find All References, Signature Help, Go to Symbol in File and Workspace.

• This is an experimental feature and is not available in Windows yet.
• Since only a single language server is spun up for given VS Code instance, having multi-root setup does not work
• If set to true, you will be prompted to install the Fortran language server. Once installed, you will have to reload VS Code window. The language server will then be run by the Fortran extension in the background to provide services needed for the above mentioned features.
• Every time you change the value of the setting fortran.useLanguageServer, you need to reload the VS Code window for it to take effect.

Requirements

For the linter to work you need to have gfortran on your path, or wherever you configure it to be.

Issues

Please report any issues and feature request on the GitHub repo here

Notice

The syntax highlight support was imported from TextMate bundle

The idea of using gfortran comes from this awesome fortran plugin for Sublime Text.

LICENSE

MIT