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Text.ParserCombinators.Parsec.Pos | Portability | portable | Stability | provisional | Maintainer | derek.a.elkins@gmail.com |
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Description |
Parsec compatibility module
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Synopsis |
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Documentation |
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The abstract data type SourcePos represents source positions. It
contains the name of the source (i.e. file name), a line number and
a column number. SourcePos is an instance of the Show, Eq and
Ord class.
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Extracts the line number from a source position.
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Extracts the column number from a source position.
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Extracts the name of the source from a source position.
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Increments the line number of a source position.
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Increments the column number of a source position.
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Set the line number of a source position.
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Set the column number of a source position.
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Set the name of the source.
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Create a new SourcePos with the given source name,
line number and column number.
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Create a new SourcePos with the given source name,
and line number and column number set to 1, the upper left.
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Update a source position given a character. If the character is a
newline ('\n') or carriage return ('\r') the line number is
incremented by 1. If the character is a tab ('t') the column
number is incremented to the nearest 8'th column, ie. column + 8 -
((column-1) `mod` 8). In all other cases, the column is
incremented by 1.
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The expression updatePosString pos s updates the source position
pos by calling updatePosChar on every character in s, ie.
foldl updatePosChar pos string.
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Produced by Haddock version 2.6.0 |