PipeScript

0.2.8

Languages/Crystal/Crystal-Language.ps.ps1

                                Language function Crystal {

    <#

    .SYNOPSIS

        Crystal PipeScript language definition

    .DESCRIPTION

        Defines the Crystal language within PipeScript.

        This allows Crystal to be generated with PipeScript.

        It also allows PipeScript to Implicitly Interpret Crystal.

    .LINK

        https://crystal-lang.org/

    #>

    [ValidatePattern('\.cr$')]

    param()

    $FilePattern = '\.cr$'

    $SingleLineCommentStart = '\#'

    # Any Language can be parsed with a series of regular expresssions.

    # For languages that only support single comments:

    # * The capture group IsSingleLine must be defined.

    # * Whitespace should not be allowed (it makes nested blocks hard to end)

    $startComment = "(?>(?<IsSingleLine>$SingleLineCommentStart)(?>PipeScript|PS)?\{)"

    $endComment   = "(?>$SingleLineCommentStart(?:PipeScript)?\})"

    # To support templates, a language has to declare `$StartPattern` and `$EndPattern`:

    $StartPattern = "(?<PSStart>${startComment})"

    $EndPattern   = "(?<PSEnd>${endComment})"

    # A language can also declare a `$LinePattern`.  If it does, any inline code that does not match this pattern will be skipped.

    # Using -LinePattern will skip any inline code not starting with #

    # Note:  Parameter blocks cannot begin on the same line as the opening brace

    $LinePattern   = "^\s{0,}$SingleLineCommentStart\s{0,}"

}