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| Language.Haskell.Pretty | | Portability | portable | | Stability | experimental | | Maintainer | libraries@haskell.org |
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| Description |
| Pretty printer for Haskell.
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| Synopsis |
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| Pretty printing
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| class Pretty a |
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| prettyPrintStyleMode :: Pretty a => Style -> PPHsMode -> a -> String |
| pretty-print with a given style and mode.
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| prettyPrintWithMode :: Pretty a => PPHsMode -> a -> String |
| pretty-print with the default style and a given mode.
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| prettyPrint :: Pretty a => a -> String |
| pretty-print with the default style and defaultMode.
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| Pretty-printing styles (from Text.PrettyPrint.HughesPJ)
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| Style (Style, mode, lineLength, ribbonsPerLine) |
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| style |
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| Mode (PageMode, ZigZagMode, LeftMode, OneLineMode) |
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| Haskell formatting modes
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| data PPHsMode |
Pretty-printing parameters.
Note: the onsideIndent must be positive and less than all other indents.
| | Constructors | | PPHsMode | | | classIndent :: Indent | indentation of a class or instance
| | doIndent :: Indent | indentation of a do-expression
| | caseIndent :: Indent | indentation of the body of a
case expression
| | letIndent :: Indent | indentation of the declarations in a
let expression
| | whereIndent :: Indent | indentation of the declarations in a
where clause
| | onsideIndent :: Indent | indentation added for continuation
lines that would otherwise be offside
| | spacing :: Bool | blank lines between statements?
| | layout :: PPLayout | Pretty-printing style to use
| | linePragmas :: Bool | add GHC-style LINE pragmas to output?
| | comments :: Bool | not implemented yet
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| type Indent = Int |
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| data PPLayout |
| Varieties of layout we can use.
| | Constructors | | PPOffsideRule | classical layout
| | PPSemiColon | classical layout made explicit
| | PPInLine | inline decls, with newlines between them
| | PPNoLayout | everything on a single line
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|  Instances | |
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| defaultMode :: PPHsMode |
| The default mode: pretty-print using the offside rule and sensible
defaults.
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| Produced by Haddock version 0.8 |
