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Diffstat (limited to 'doc/chickadee.texi')
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diff --git a/doc/chickadee.texi b/doc/chickadee.texi index f561bae..b576641 100644 --- a/doc/chickadee.texi +++ b/doc/chickadee.texi @@ -278,6 +278,38 @@ Geiser} extension for Emacs is by far the best way to develop at the REPL with Guile. Use @code{M-x connect-to-guile} to connect to the REPL server. +@item --language=@var{language} + +Process the input program using @var{language}, the identifier of a +language within Guile's language tower. By default, unsurprisingly, +Scheme is used. + +For example, to use the neat +@url{https://www.draketo.de/software/wisp, Wisp} language as an +alternative to Scheme's parenthetical syntax, pass +@code{--language=wisp}. Wisp is not included with Guile and must be +installed separately. + +@item -x @var{extension} + +Add @var{extension} to the list of file extensions that Guile will +load. + +For example, Wisp files canonically use the @file{.w} extension. +Here's what a ``hello, world'' Chickadee program looks like in Wisp: + +@example +define : draw alpha + draw-text "Hello, world!" : vec2 260.0 240.0 +@end example + +Assuming the above code is saved to a @file{hello.w} file, +@command{chickadee play} be invoked as follows: + +@example +chickadee play --language=wisp -x .w hello.w +@end example + @end table @node Invoking chickadee bundle |