File: Windows.hs

package info (click to toggle)
ghc 9.6.6-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 158,216 kB
  • sloc: haskell: 648,228; ansic: 81,656; cpp: 11,808; javascript: 8,444; sh: 5,831; fortran: 3,527; python: 3,277; asm: 2,523; makefile: 2,298; yacc: 1,570; lisp: 532; xml: 196; perl: 145; csh: 2
file content (28 lines) | stat: -rw-r--r-- 871 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
{-# LANGUAGE CPP #-}

#undef  POSIX
#define IS_WINDOWS True
#define WINDOWS
#define FILEPATH_NAME WindowsPath
#define OSSTRING_NAME WindowsString
#define WORD_NAME WindowsChar

#include "Common.hs"


-- | QuasiQuote a 'WindowsPath'. This accepts Unicode characters
-- and encodes as UTF-16LE. Runs 'isValid' on the input.
pstr :: QuasiQuoter
pstr =
  QuasiQuoter
  { quoteExp = \s -> do
      ps <- either (fail . show) pure $ encodeWith (mkUTF16le ErrorOnCodingFailure) s
      when (not $ isValid ps) $ fail ("filepath not valid: " ++ show ps)
      lift ps
  , quotePat  = \_ ->
      fail "illegal QuasiQuote (allowed as expression only, used as a pattern)"
  , quoteType = \_ ->
      fail "illegal QuasiQuote (allowed as expression only, used as a type)"
  , quoteDec  = \_ ->
      fail "illegal QuasiQuote (allowed as expression only, used as a declaration)"
  }