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Merge pull request #25 from yihuang/fix-regex

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add regex to filter comment lines
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adisbladis 2022-01-10 20:29:16 +12:00 committed by GitHub
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1 changed files with 4 additions and 6 deletions
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10
builder/parser.nix
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@ -10,17 +10,15 @@ let
stripLines = initialLines: foldl' (acc: f: f acc) initialLines [ stripLines = initialLines: foldl' (acc: f: f acc) initialLines [
# Strip comments # Strip comments
(lines: map (lines: map
(l: (l: stripStr (elemAt (splitString "//" l) 0))
let
m = match "(.*)( )?//.*" l;
hasComment = m != null;
in
stripStr (if hasComment then elemAt m 0 else l))
lines) lines)
# Strip leading tabs characters # Strip leading tabs characters
(lines: map (l: elemAt (match "(\t)?(.*)" l) 1) lines) (lines: map (l: elemAt (match "(\t)?(.*)" l) 1) lines)
# Strip comment lines
(filter (l: match "[ \t]*//.*" l != null))
# Filter empty lines # Filter empty lines
(filter (l: l != "")) (filter (l: l != ""))
]; ];