Module guess_language

Guess which programming language a file is written in.

This is heavily based on GitHub’s linguist, particularly its languages.yml.

Difftastic does not reuse languages.yml directly. Linguist has a larger set of language detection strategies.

Structs

• LanguageIter 🔒
  An iterator over the variants of Language

Enums

• Language 🔒
  Languages supported by difftastic. Each language here has a corresponding tree-sitter parser.
• LanguageOverride 🔒
  Users can explicitly request to treat a certain file glob pattern as a specific languages, rather than using the normal language detection logic.

Functions

• from_emacs_mode_header 🔒
  Try to guess the language based on an Emacs mode comment at the beginning of the file.
• from_glob 🔒
• from_shebang 🔒
  Try to guess the language based on a shebang present in the source.
• guess 🔒
• language_globs 🔒
  File globs that identify languages based on the file path.
• language_name 🔒
  The language name shown to the user.
• language_override_from_name 🔒
  If there is a language called name (comparing case insensitively), return it. Treat "text" as an additional option.
• looks_like_hacklang 🔒
• looks_like_objc 🔒
  Use a heuristic to determine if a ‘.h’ file looks like Objective-C. We look for a line starting with ‘#import’, ‘@interface’ or ‘@protocol’ near the top of the file. These keywords are not valid C or C++, so this should not produce false positives.
• looks_like_xml 🔒