ghc-6.12.2: The GHC API Source code Contents Index

Lexer

Documentation

data Token Source

Constructors ITas ITcase ITclass ITdata ITdefault ITderiving ITdo ITelse IThiding ITif ITimport ITin ITinfix ITinfixl ITinfixr ITinstance ITlet ITmodule ITnewtype ITof ITqualified ITthen ITtype ITwhere ITscc ITforall ITforeign ITexport ITlabel ITdynamic ITsafe ITthreadsafe ITunsafe ITstdcallconv ITccallconv ITprimcallconv ITmdo ITfamily ITgroup ITby ITusing ITinline_prag Bool ITinline_conlike_prag Bool ITspec_prag ITspec_inline_prag Bool ITsource_prag ITrules_prag ITwarning_prag ITdeprecated_prag ITline_prag ITscc_prag ITgenerated_prag ITcore_prag ITunpack_prag ITann_prag ITclose_prag IToptions_prag String ITinclude_prag String ITlanguage_prag ITdotdot ITcolon ITdcolon ITequal ITlam ITvbar ITlarrow ITrarrow ITat ITtilde ITdarrow ITminus ITbang ITstar ITdot ITbiglam ITocurly ITccurly ITocurlybar ITccurlybar ITvocurly }, for type applications ITvccurly ITobrack ITopabrack ITcpabrack ITcbrack IToparen ITcparen IToubxparen ITcubxparen ITsemi ITcomma ITunderscore ITbackquote ITvarid FastString ITconid FastString ITvarsym FastString ITconsym FastString ITqvarid (FastString, FastString) ITqconid (FastString, FastString) ITqvarsym (FastString, FastString) ITqconsym (FastString, FastString) ITprefixqvarsym (FastString, FastString) ITprefixqconsym (FastString, FastString) ITdupipvarid FastString ITchar Char ITstring FastString ITinteger Integer ITrational Rational ITprimchar Char ITprimstring FastString ITprimint Integer ITprimword Integer ITprimfloat Rational ITprimdouble Rational ITopenExpQuote ITopenPatQuote ITopenDecQuote ITopenTypQuote ITcloseQuote ITidEscape FastString ITparenEscape ITvarQuote ITtyQuote ITquasiQuote (FastString, FastString, SrcSpan) ITproc ITrec IToparenbar ITcparenbar ITlarrowtail ITrarrowtail ITLarrowtail ITRarrowtail ITunknown String ITeof ITdocCommentNext String ITdocCommentPrev String ITdocCommentNamed String ITdocSection Int String ITdocOptions String ITdocOptionsOld String ITlineComment String ITblockComment String

lexer :: (Located Token -> P a) -> P a Source

pragState :: DynFlags -> StringBuffer -> SrcLoc -> PState Source

mkPState :: StringBuffer -> SrcLoc -> DynFlags -> PState Source

data PState Source

Constructors PState buffer :: StringBuffer dflags :: DynFlags messages :: Messages last_loc :: SrcSpan last_offs :: !Int last_len :: !Int last_line_len :: !Int loc :: SrcLoc extsBitmap :: !Int context :: [LayoutContext] lex_state :: [Int]

newtype P a Source

Constructors P unP :: PState -> ParseResult a Instances Monad P

data ParseResult a Source

Constructors POk PState a PFailed SrcSpan Message

getSrcLoc :: P SrcLoc Source

getPState :: P PState Source

failLocMsgP :: SrcLoc -> SrcLoc -> String -> P a Source

failSpanMsgP :: SrcSpan -> SDoc -> P a Source

srcParseFail :: P a Source

getMessages :: PState -> Messages Source

popContext :: P () Source

pushCurrentContext :: P () Source

setLastToken :: SrcSpan -> Int -> Int -> P () Source

setSrcLoc :: SrcLoc -> P () Source

getLexState :: P Int Source

popLexState :: P Int Source

pushLexState :: Int -> P () Source

extension :: (Int -> Bool) -> P Bool Source

standaloneDerivingEnabled :: Int -> Bool Source

bangPatEnabled :: Int -> Bool Source

addWarning :: DynFlag -> SrcSpan -> SDoc -> P () Source

lexTokenStream :: StringBuffer -> SrcLoc -> DynFlags -> ParseResult [Located Token] Source

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