LiveCode Language package for Atom
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LiveCode language package for Atom

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This is a language package that lets you edit LiveCode source code in the Atom editor. It adds support for:

  • LiveCode Builder source code (.lcb)
  • LiveCode server source code (.lc and .irev)
  • LiveCode script-only stacks (.livecodescript)


Using the Atom package manager:

  • Visit Atom's "Settings" view, and go to the "Install" tab
  • Use the search field to search for the language-livecode package
  • Click "Install"

See also the Atom Packages section in the Atom Flight Manual for more info, including how to install packages from the command line.


The settings for LiveCode integration can also be modified using Atom's "Settings" view. Go to the "Packages" tab, find the language-livecode package, and click its "Settings" button.

See also the Package Settings section in the Atom Flight Manual.


language-livecode integrates LiveCode editing into the Atom editor. Note that it doesn't make Atom behave like the LiveCode IDE, and it doesn't integrate with or replace the LiveCode IDE's script editor.

Syntax highlighting and indentation

The package adds automatic syntax highlighting and indentation for all of the supported LiveCode language types.

The optional revigniter-syntax can be installed to provide a colour theme that's tailored for LiveCode source code.


The package also includes autocompletion support for symbols in the current file, along with snippets for many common LiveCode Builder and LiveCode Script syntax elements.

Script error checking ("linting")

If you have the linter package installed, you can enable script error checking support. This highlights and describes script compilation errors as you work.

Linter in action

LiveCode Script linting

You will need to download LiveCode server and install (by unzipping it somewhere appropriate). LiveCode Server 7.1.0 or later is required.

Next, go to the package settings and put the full path to the LiveCode server program that you just extracted (e.g. /path/to/livecode-community-server) into the "LiveCode Server Engine Path" setting.

It's often useful to enable the "Explicit Variables" setting to get an error when you use a variable name that you haven't declared with local or global.

Note: When checking LiveCode Server source files, the linter will only check for errors in the file currently being edited. If, for example, the file you're editing includes another file and that inclusion causes a variable re-declaration error, the linter will not detect it.

LiveCode Builder linting

Warning: Linting for LiveCode Builder source code is experimental.

You need LiveCode 8 installed to use LiveCode Builder linting. The LiveCode IDE's installation location contains the LiveCode Builder compiler, called lc-compile. In the package settings, set the "Compiler Path for LiveCode Builder" to the full path to the compiler (e.g. /path/to/lc-compile).

The LiveCode Builder compiler also needs to know where to find the .lci interface files which provide the built-in modules' interface information. These are usually located in a modules directory near the lc-compile program in the LiveCode IDE's installation location. You should put this path in the "Module Paths For LiveCode Builder" setting.

If you are working on a complex project and you need lc-compile to look for .lci files in multiple places, you can put multiple paths in the "Module Paths for LiveCode Builder" setting, separated by ; characters.

Notes: The linting step will automatically create a .lci working directory in the directory where the LCB file is located. The linter puts the interface files for the files that are being linted in that directory. You may get dependency errors if you edit an LCB module which has dependencies before editing the module that it depends on, because the .lci working directory will have missing interface files.


  • Ralf Bitter
  • Peter Brett
  • Monte Goulding
  • Adam Robertson

The LiveCode server syntax and revIgniter snippets were converted from the TextMate bundles available from the revIgniter website.

Reporting bugs and contributing

Please report any problems to the GitHub issues tracker.