![](haskell_icon.gif) | haskell-src-1.0.1.3: Manipulating Haskell source code | Contents | Index |
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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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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 2.3.0 |