diff options
| -rw-r--r-- | haddock-api/src/Haddock/Interface/ParseModuleHeader.hs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/haddock-api/src/Haddock/Interface/ParseModuleHeader.hs b/haddock-api/src/Haddock/Interface/ParseModuleHeader.hs index 32411e9e..37813d16 100644 --- a/haddock-api/src/Haddock/Interface/ParseModuleHeader.hs +++ b/haddock-api/src/Haddock/Interface/ParseModuleHeader.hs @@ -85,6 +85,13 @@ parseModuleHeader dflags pkgName str0 = -- the value will be "this is a .. description" and the rest will begin -- at "The module comment". +-- | 'C' is a 'Char' carrying its column. +-- +-- This let us make an indentation-aware parser, as we know current indentation. +-- by looking at the next character in the stream ('curInd'). +-- +-- Thus we can munch all spaces but only not-spaces which are indented. +-- data C = C {-# UNPACK #-} !Int Char newtype P a = P { unP :: [C] -> Maybe ([C], a) } |