Create scaffolding for Haskell source parser module.

2 files changed, 37 insertions, 0 deletions

diff --git a/haddock-api/haddock-api.cabal b/haddock-api/haddock-api.cabal
index 3bc22263..b90e3bff 100644
--- a/haddock-api/haddock-api.cabal
+++ b/haddock-api/haddock-api.cabal
@@ -79,6 +79,7 @@ library
     Haddock.Backends.LaTeX
     Haddock.Backends.HaddockDB
     Haddock.Backends.Hoogle
+    Haddock.Backends.Hyperlinker.Parser
     Haddock.ModuleTree
     Haddock.Types
     Haddock.Doc
diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
new file mode 100644
index 00000000..11a92b57
--- /dev/null
+++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
@@ -0,0 +1,36 @@
+module Haddock.Backends.Hyperlinker.Parser (parse) where
+
+data Token = Token
+    { tkType :: TokenType
+    , tkValue :: String
+    , tkSpan :: Span
+    }
+
+data Position = Position
+    { posRow :: !Int
+    , posCol :: !Int
+    }
+
+data Span = Span
+    { spStart :: Position
+    , spEnd :: Position
+    }
+
+data TokenType
+    = Identifier
+    | Comment
+    | Whitespace
+    | Operator
+    | Symbol
+
+parse :: String -> [Token]
+parse = tokenize . tag . chunk
+
+chunk :: String -> [String]
+chunk = undefined
+
+tag :: [String] -> [(Span, String)]
+tag = undefined
+
+tokenize :: [(Span, String)] -> [Token]
+tokenize = undefined