Language.PureScript.Pretty.Common

Common pretty-printing utility functions

Documentation

parens :: String -> String

Wrap a string in parentheses

parensPos :: Emit gen => gen -> gen

intercalate :: Monoid m => m -> [m] -> m

Generalize intercalate slightly for monoids

class Monoid gen => Emit gen where

Methods

emit :: String -> gen

addMapping :: SourceSpan -> gen

Instances

Emit PlainString

Emit StrPos

data SMap

Constructors

SMap String SourcePos SourcePos

newtype StrPos

String with length and source-map entries

Constructors

StrPos (SourcePos, String, [SMap])

Instances

Monoid StrPos

Make a monoid where append consists of concatenating the string part, adding the lengths appropriately and advancing source mappings on the right hand side to account for the length of the left.

Emit StrPos

newtype PlainString

Constructors

PlainString String

Instances

Monoid PlainString

Emit PlainString

runPlainString :: PlainString -> String

addMapping' :: Emit gen => Maybe SourceSpan -> gen

bumpPos :: SourcePos -> SMap -> SMap

addPos :: SourcePos -> SourcePos -> SourcePos

data PrinterState

Constructors

PrinterState

Fields

indent :: Int

emptyPrinterState :: PrinterState

blockIndent :: Int

Number of characters per identation level

withIndent :: Emit gen => StateT PrinterState Maybe gen -> StateT PrinterState Maybe gen

Pretty print with a new indentation level

currentIndent :: Emit gen => StateT PrinterState Maybe gen

Get the current indentation level

prettyPrintMany :: Emit gen => (a -> StateT PrinterState Maybe gen) -> [a] -> StateT PrinterState Maybe gen

Print many lines

prettyPrintObjectKey :: String -> String

Prints an object key, escaping reserved names.

before :: Box -> Box -> Box

Place a box before another, vertically when the first box takes up multiple lines.

beforeWithSpace :: Box -> Box -> Box