Languages/Crystal/Crystal-Language.ps1
function Language.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() $this = $myInvocation.MyCommand if (-not $this.Self) { $languageDefinition = New-Module { 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,}" $LanguageName = 'Crystal' Export-ModuleMember -Variable * -Function * -Alias * } -AsCustomObject $languageDefinition.pstypenames.clear() $languageDefinition.pstypenames.add("Language") $languageDefinition.pstypenames.add("Language.Crystal") $this.psobject.properties.add([PSNoteProperty]::new('Self',$languageDefinition)) } $this.Self } |