Moduletoml-parser-2.0.0.0Haskell2010

Toml.Syntax.Position

This module provides the Position type for tracking locations in files while doing lexing and parsing for providing more useful error messages.

This module assumes 8 column wide tab stops.

datadata Located a

A value annotated with its text file position

Located
- locPosition :: !Position
  position
- locThing :: !a
  thing at position

Instances5Functor, Foldable, Traversable, Read, Show

Functor LocatedDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Foldable LocatedDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Traversable LocatedDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Read a => Read (Located a)Defined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Show a => Show (Located a)Defined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance

datadata Position

A position in a text file

Instances4Eq, Ord, Read, Show

Eq PositionDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Ord PositionDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Read PositionDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance
Show PositionDefined in toml-parser-2.0.0.0 · Toml.Syntax.Position
Default instance

valuestartPos :: Position

The initial Position for the start of a file

valuemove :: Char -> Position -> Position

Adjust a file position given a single character handling newlines and tabs. All other characters are considered to fill exactly one column.