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notepad-plus-plus/PowerEditor/installer/functionList/haskell.xml

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<?xml version="1.0" encoding="UTF-8" ?>
<!-- ==========================================================================\
|
| To learn how to make your own language parser, please check the following
| link:
| https://npp-user-manual.org/docs/function-list/
|
\=========================================================================== -->
<NotepadPlus>
<functionList>
<!--
| Based on:
| https://notepad-plus-plus.org/community/topic/12972/trouble-with-defining-a-function-list-entry/7
|
| By convention, the style of comment is indicated by the file extension,
| with ".hs" indicating a "usual" Haskell file
| and ".lhs" indicating a literate Haskell file.
\-->
<parser
displayName="Haskell"
id ="haskell_function"
commentExpr="(?x) # free-spacing (see `RegEx - Pattern Modifiers`)
(?s: # Multi Line Comment (nesting allowed)
\{- # - start-of-comment indicator
(?> # - followed by zero or more characters...
[^{-] # ...not part of the start indicator,
| \{(?!-) # ...not being a start-of-comment indicator,
| -(?!\}) # ...not being an end-of-comment indicator and
| (?R) # ...balancing through recursion (nesting)
)*
-\} # - end-of-comment indicator
)
| (?m-s:-{2}.*?$) # Single Line Comment
"
>
<function
mainExpr="(?x) # free-spacing (see `RegEx - Pattern Modifiers`)
(?m-s) # ^ and $ match at line breaks, dot does not
^ # NO leading whitespace at start-of-line
[A-Za-z][\w\x27]* # valid character combination for identifiers
\x20+::\x20
.*?$ # whatever, until end-of-line
"
>
<functionName>
<nameExpr expr="[A-Za-z][\w\x27]*" />
</functionName>
</function>
</parser>
</functionList>
</NotepadPlus>