Ormolu.Diff

Diffing GHC ASTs modulo span positions.

Documentation

data Diff

Result of comparing two ParseResults.

Constructors

Same

Two parse results are the same

Different [SrcSpan]

Two parse results differ

Instances

Semigroup Diff

Defined in Ormolu.Diff

Methods

(<>) :: Diff -> Diff -> Diff

sconcat :: NonEmpty Diff -> Diff

stimes :: Integral b => b -> Diff -> Diff

Monoid Diff

Defined in Ormolu.Diff

Methods

mempty :: Diff

mappend :: Diff -> Diff -> Diff

mconcat :: [Diff] -> Diff

diffParseResult :: ParseResult -> ParseResult -> Diff

Return Diff of two ParseResults.

diffText

Arguments

:: Text

Text before

-> Text

Text after

-> FilePath

Path to use to construct SrcLoc

-> Maybe (RealSrcLoc, Text, Text)

Diff two texts and return the location they start to differ, alongside with excerpts around that location.