| Safe Haskell | None |
|---|
Annah.Lexer
Description
Lexing logic for the Annah language
- lexExpr :: Text -> Producer LocatedToken (State Position) (Maybe Text)
- data Token
- data Position = P {}
- data LocatedToken = LocatedToken {}
Lexer
lexExpr :: Text -> Producer LocatedToken (State Position) (Maybe Text)Source
Convert a text representation of an expression into a stream of tokens
lexExpr keeps track of position and returns the remainder of the input if
lexing fails.
Types
Token type, used to communicate between the lexer and parser
The cursor's location while lexing the text
Instances
| Show Position |