Language.C.System.Preprocess

Invoking external preprocessors.

Documentation

class Preprocessor cpp where

Preprocessor encapsulates the abstract interface for invoking C preprocessors

Methods

parseCPPArgs :: cpp -> [String] -> Either String (CppArgs, [String])

parse the given command line arguments, and return a pair of parsed and ignored arguments

runCPP :: cpp -> CppArgs -> IO ExitCode

run the preprocessor

Instances

Preprocessor GCC

data CppOption

Generic Options for the preprocessor

Constructors

IncludeDir FilePath

Define String String

Undefine String

IncludeFile FilePath

data CppArgs

Generic arguments for the preprocessor

Constructors

CppArgs

Fields

cppOptions :: [CppOption]

extraOptions :: [String]

cppTmpDir :: Maybe FilePath

inputFile :: FilePath

outputFile :: Maybe FilePath

rawCppArgs :: [String] -> FilePath -> CppArgs

use the given preprocessor arguments without analyzing them

addCppOption :: CppArgs -> CppOption -> CppArgs

add a typed option to the given preprocessor arguments

addExtraOption :: CppArgs -> String -> CppArgs

add a string option to the given preprocessor arguments

runPreprocessor :: Preprocessor cpp => cpp -> CppArgs -> IO (Either ExitCode InputStream)

run the preprocessor and return an InputStream if preprocesssing succeeded

isPreprocessed :: FilePath -> Bool

guess whether a file is preprocessed (file end with .i)