38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
module Xendconfsxp =
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autoload xfm
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let spc1 = /[ \t\n]+/
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let ws = del spc1 " "
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let lbrack = del /[ \t]*\([ \t\n]*/ "("
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let rbrack = del /[ \t\n]*\)/ ")"
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let empty_line = [ del /[ \t]*\n/ "\n" ]
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let no_ws_comment =
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[ label "#comment" . del /#[ \t]*/ "# " . store /[^ \t]+[^\n]*/ . del /\n/ "\n" ]
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let standalone_comment = [ label "#scomment" . del /#/ "#" . store /.*/ . del /\n/ "\n" ]
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(* Minor bug: The initial whitespace is stored, not deleted. *)
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let ws_and_comment = ws . no_ws_comment
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(* Either a word or a quoted string *)
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let str_store = store /[A-Za-z0-9_.\/-]+|\"([^\"\\\\]|(\\\\.))*\"|'([^'\\\\]|(\\\\.))*'/
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let str = [ label "string" . str_store ]
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let var_name = key Rx.word
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let rec thing =
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let array = [ label "array" . lbrack . Build.opt_list thing ws . ws_and_comment? . rbrack ] in
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let str = [ label "item" . str_store ] in
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str | array
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let sexpr = [ lbrack . var_name . ws . no_ws_comment? . thing . ws_and_comment? . rbrack ]
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let lns = ( empty_line | standalone_comment | sexpr ) *
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let filter = incl "xend-config.sxp"
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let xfm = transform lns filter
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