49 lines
1.4 KiB
Haskell
49 lines
1.4 KiB
Haskell
{-
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Tock: a compiler for parallel languages
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Copyright (C) 2007 University of Kent
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 2 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>.
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-}
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module ParseUtils where
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import Text.ParserCombinators.Parsec
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import Text.ParserCombinators.Parsec.Pos (newPos)
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import Metadata
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--{{{ Meta to/from SourcePos
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-- | Convert source position into Parsec's format.
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metaToSourcePos :: Meta -> SourcePos
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metaToSourcePos meta
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= newPos filename (metaLine meta) (metaColumn meta)
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where
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filename = case metaFile meta of
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Just s -> s
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Nothing -> ""
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-- | Convert source position out of Parsec's format.
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sourcePosToMeta :: SourcePos -> Meta
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sourcePosToMeta pos
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= emptyMeta {
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metaFile = case sourceName pos of
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"" -> Nothing
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s -> Just s,
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metaLine = sourceLine pos,
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metaColumn = sourceColumn pos
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}
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--}}}
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