Modulelanguage-c-0.9.3Haskell2010

Language.C.Syntax.Constants

This module provides support for representing, checking and exporting c constants, i.e. integral, float, character and string constants.

8 types
25 values

Packagelanguage-c-0.9.3
Exports33
LanguageHaskell2010
LicenceBSD-3-Clause
SourceConstants.hs

Utilities

8 declarations

valueescapeChar :: Char -> String

valueunescapeChar :: String -> (Char, String)

valueunescapeString :: String -> String

newtypenewtype Flags f

Constructors

Flags Integer

Instances8Generic1, Eq, Data, Ord, Generic, NFData, …

Generic1 FlagsDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Eq (Flags f)Defined in language-c-0.9.3 · Language.C.Syntax.Constants
Data f => Data (Flags f)Defined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord (Flags f)Defined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic (Flags f)Defined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData (Flags f)Defined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep (Flags f) = D1 ('MetaData "Flags" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'True) (C1 ('MetaCons "Flags" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Integer)))Defined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep1 Flags = D1 ('MetaData "Flags" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'True) (C1 ('MetaCons "Flags" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Integer)))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

valuenoFlags :: Flags f

valuesetFlag :: Enum f => f -> Flags f -> Flags f

valueclearFlag :: Enum f => f -> Flags f -> Flags f

valuetestFlag :: Enum f => f -> Flags f -> Bool

C char constants (and multi-character character constants)

8 declarations

valuecChar :: Char -> CChar

construct a character constant from a haskell Char Use cchar_w if you want a wide character constant.

valuecChar_w :: Char -> CChar

construct a wide chararacter constant

valuecChars :: String -> Bool -> CChar

create a multi-character character constant

datadata CChar

C char constants (abstract)

Constructors

CChar !Char !Bool
CChars [Char] !Bool

Instances7Eq, Data, Ord, Show, Generic, NFData, …

Eq CCharDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data CCharDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord CCharDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Show CCharDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic CCharDefined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData CCharDefined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep CChar = D1 ('MetaData "CChar" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'False) (C1 ('MetaCons "CChar" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedUnpack) (Rec0 Char) :*: S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool)) :+: C1 ('MetaCons "CChars" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]) :*: S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool)))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

valuegetCChar :: CChar -> String

get the haskell representation of a char constant

valuegetCCharAsInt :: CChar -> Integer

get integer value of a C char constant undefined result for multi-char char constants

valueisWideChar :: CChar -> Bool

return true if the character constant is wide.

valueshowCharConst :: Char -> ShowS

showCharConst c prepends _a_ String representing the C char constant corresponding to c. If necessary uses octal or hexadecimal escape sequences.

C integral constants

6 declarations

datadata CIntFlag

datatype representing type flags for integers

FlagUnsigned FlagLong FlagLongLong FlagImag

Instances9Bounded, Enum, Eq, Data, Ord, Show, …

Bounded CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Enum CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Eq CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Show CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData CIntFlagDefined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep CIntFlag = D1 ('MetaData "CIntFlag" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'False) ((C1 ('MetaCons "FlagUnsigned" 'PrefixI 'False) U1 :+: C1 ('MetaCons "FlagLong" 'PrefixI 'False) U1) :+: (C1 ('MetaCons "FlagLongLong" 'PrefixI 'False) U1 :+: C1 ('MetaCons "FlagImag" 'PrefixI 'False) U1))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

datadata CIntRepr

datatype for memorizing the representation of an integer

DecRepr HexRepr OctalRepr

Instances8Bounded, Enum, Eq, Data, Ord, Generic, …

Bounded CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Enum CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Eq CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData CIntReprDefined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep CIntRepr = D1 ('MetaData "CIntRepr" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'False) (C1 ('MetaCons "DecRepr" 'PrefixI 'False) U1 :+: (C1 ('MetaCons "HexRepr" 'PrefixI 'False) U1 :+: C1 ('MetaCons "OctalRepr" 'PrefixI 'False) U1))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

valuecInteger :: Integer -> CInteger

construct a integer constant (without type flags) from a haskell integer

datadata CInteger

Constructors

CInteger !Integer !CIntRepr !(Flags CIntFlag)

Instances7Eq, Data, Ord, Show, Generic, NFData, …

Eq CIntegerDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data CIntegerDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord CIntegerDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Show CIntegerDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic CIntegerDefined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData CIntegerDefined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep CInteger = D1 ('MetaData "CInteger" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'False) (C1 ('MetaCons "CInteger" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Integer) :*: (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 CIntRepr) :*: S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (Flags CIntFlag)))))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

valuegetCInteger :: CInteger -> Integer

valuereadCInteger :: CIntRepr -> String -> Either String CInteger

C floating point constants

3 declarations

valuecFloat :: Float -> CFloat

datadata CFloat

Floats (represented as strings)

Constructors

CFloat !String

Instances7Eq, Data, Ord, Show, Generic, NFData, …

Eq CFloatDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data CFloatDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord CFloatDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Show CFloatDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic CFloatDefined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData CFloatDefined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep CFloat = D1 ('MetaData "CFloat" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'False) (C1 ('MetaCons "CFloat" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String)))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

valuereadCFloat :: String -> CFloat

C string literals

6 declarations

valuecString :: String -> CString

valuecString_w :: String -> CString

datadata CString

C String literals

Constructors

CString String Bool

Instances7Eq, Data, Ord, Show, Generic, NFData, …

Eq CStringDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data CStringDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord CStringDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Show CStringDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Generic CStringDefined in language-c-0.9.3 · Language.C.Syntax.Constants
NFData CStringDefined in language-c-0.9.3 · Language.C.Syntax.Constants
type Rep CString = D1 ('MetaData "CString" "Language.C.Syntax.Constants" "language-c-0.9.3-1R0ug4QGHoOAJ44VHsaTbU" 'False) (C1 ('MetaCons "CString" 'PrefixI 'False) (S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String) :*: S1 ('MetaSel 'Nothing 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Bool)))Defined in language-c-0.9.3 · Language.C.Syntax.Constants

valuegetCString :: CString -> String

valueshowStringLit :: String -> ShowS

showStringLiteral s prepends a String representing the C string literal corresponding to s. If necessary it uses octal or hexadecimal escape sequences.

valueconcatCStrings :: [CString] -> CString

concatenate a list of C string literals

Clang C version literals

2 declarations

datadata ClangCVersion

Clang dotted version literal https://clang.llvm.org/docs/AttributeReference.html#availability

Constructors

ClangCVersion !String

Instances4Eq, Data, Ord, Show

Eq ClangCVersionDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Data ClangCVersionDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Ord ClangCVersionDefined in language-c-0.9.3 · Language.C.Syntax.Constants
Show ClangCVersionDefined in language-c-0.9.3 · Language.C.Syntax.Constants

valuereadClangCVersion :: String -> ClangCVersion