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Distribution.PreProcess Portability GHC, Hugs Stability alpha Maintainer Isaac Jones <ijones@syntaxpolice.org>

Description

Synopsis

preprocessSources :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO () knownSuffixHandlers :: [PPSuffixHandler] ppSuffixes :: [PPSuffixHandler] -> [String] type PPSuffixHandler = (String, PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor) type PreProcessor = FilePath -> FilePath -> Int -> IO ExitCode removePreprocessed :: FilePath -> [String] -> [String] -> IO () removePreprocessedPackage :: PackageDescription -> FilePath -> [String] -> IO () ppCpp :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor ppGreenCard :: PreProcessor ppC2hs :: PreProcessor ppHsc2hs :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor ppHappy :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor ppAlex :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor ppUnlit :: PreProcessor

Documentation

preprocessSources

:: PackageDescription -> LocalBuildInfo -> Int verbose -> [PPSuffixHandler] preprocessors to try -> IO () Apply preprocessors to the sources from hsSourceDir, to obtain a Haskell source file for each module.

knownSuffixHandlers :: [PPSuffixHandler]

ppSuffixes :: [PPSuffixHandler] -> [String]

Convenience function; get the suffixes of these preprocessors.

type PPSuffixHandler = (String, PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor)

A preprocessor for turning non-Haskell files with the given extension into plain Haskell source files.

type PreProcessor = FilePath -> FilePath -> Int -> IO ExitCode

A preprocessor must fulfill this basic interface. It can be an external program, or just a function.

removePreprocessed

:: FilePath search Location -> [String] Modules -> [String] suffixes -> IO () Remove the preprocessed .hs files. (do we need to get some .lhs files too?)

removePreprocessedPackage

:: PackageDescription -> FilePath root of source tree (where to look for hsSources) -> [String] suffixes -> IO ()

ppCpp :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor

ppGreenCard :: PreProcessor

ppC2hs :: PreProcessor

ppHsc2hs :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor

ppHappy :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor

ppAlex :: PackageDescription -> BuildInfo -> LocalBuildInfo -> PreProcessor

ppUnlit :: PreProcessor

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