-- ---------------------------------------------------------------------------
{
+{-# OPTIONS_GHC -O0 -fno-ignore-interface-pragmas #-}
+{-
+Careful optimisation of the parser: we don't want to throw everything
+at it, because that takes too long and doesn't buy much, but we do want
+to inline certain key external functions, so we instruct GHC not to
+throw away inlinings as it would normally do in -O0 mode.
+-}
+
{-# OPTIONS -w #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
module Parser ( parseModule, parseStmt, parseIdentifier, parseType,
parseHeader ) where
-#define INCLUDE #include
-INCLUDE "HsVersions.h"
-
import HsSyn
import RdrHsSyn
import HscTypes ( IsBootInterface, DeprecTxt )
PRIMCHAR { L _ (ITprimchar _) }
PRIMSTRING { L _ (ITprimstring _) }
PRIMINTEGER { L _ (ITprimint _) }
+ PRIMWORD { L _ (ITprimword _) }
PRIMFLOAT { L _ (ITprimfloat _) }
PRIMDOUBLE { L _ (ITprimdouble _) }
Nothing)) }
maybedocheader :: { (HaddockModInfo RdrName, Maybe (HsDoc RdrName)) }
- : moduleheader { (fst $1, snd $1) }
+ : moduleheader { $1 }
| {- empty -} { (emptyHaddockModInfo, Nothing) }
missing_module_keyword :: { () }
| data_or_newtype tycl_hdr constrs deriving
{% do { let {(ctxt, tc, tvs, tparms) = unLoc $2}
; checkTyVars tparms -- no type pattern
- ; return $
- L (comb4 $1 $2 $3 $4)
+ ; return $!
+ sL (comb4 $1 $2 $3 $4)
-- We need the location on tycl_hdr in case
-- constrs and deriving are both empty
(mkTyData (unLoc $1) (ctxt, tc, tvs, Nothing)
deriving
{% do { let {(ctxt, tc, tvs, tparms) = unLoc $2}
; checkTyVars tparms -- can have type pats
- ; return $
- L (comb4 $1 $2 $4 $5)
+ ; return $!
+ sL (comb4 $1 $2 $4 $5)
(mkTyData (unLoc $1) (ctxt, tc, tvs, Nothing)
(unLoc $3) (reverse (unLoc $5)) (unLoc $6)) } }
scc_annot :: { Located FastString }
: '_scc_' STRING {% (addWarning Opt_WarnDeprecations (getLoc $1) (text "_scc_ is deprecated; use an SCC pragma instead")) >>= \_ ->
- (return $ LL $ getSTRING $2) }
- | '{-# SCC' STRING '#-}' { LL $ getSTRING $2 }
+ ( do scc <- getSCC $2; return $ LL scc ) }
+ | '{-# SCC' STRING '#-}' {% do scc <- getSCC $2; return $ LL scc }
hpc_annot :: { Located (FastString,(Int,Int),(Int,Int)) }
: '{-# GENERATED' STRING INTEGER ':' INTEGER '-' INTEGER ':' INTEGER '#-}'
tyvarid :: { Located RdrName }
: VARID { L1 $! mkUnqual tvName (getVARID $1) }
| special_id { L1 $! mkUnqual tvName (unLoc $1) }
- | 'unsafe' { L1 $! mkUnqual tvName FSLIT("unsafe") }
- | 'safe' { L1 $! mkUnqual tvName FSLIT("safe") }
- | 'threadsafe' { L1 $! mkUnqual tvName FSLIT("threadsafe") }
+ | 'unsafe' { L1 $! mkUnqual tvName (fsLit "unsafe") }
+ | 'safe' { L1 $! mkUnqual tvName (fsLit "safe") }
+ | 'threadsafe' { L1 $! mkUnqual tvName (fsLit "threadsafe") }
tyvarsym :: { Located RdrName }
-- Does not include "!", because that is used for strictness marks
varid :: { Located RdrName }
: varid_no_unsafe { $1 }
- | 'unsafe' { L1 $! mkUnqual varName FSLIT("unsafe") }
- | 'safe' { L1 $! mkUnqual varName FSLIT("safe") }
- | 'threadsafe' { L1 $! mkUnqual varName FSLIT("threadsafe") }
+ | 'unsafe' { L1 $! mkUnqual varName (fsLit "unsafe") }
+ | 'safe' { L1 $! mkUnqual varName (fsLit "safe") }
+ | 'threadsafe' { L1 $! mkUnqual varName (fsLit "threadsafe") }
varid_no_unsafe :: { Located RdrName }
: VARID { L1 $! mkUnqual varName (getVARID $1) }
| special_id { L1 $! mkUnqual varName (unLoc $1) }
- | 'forall' { L1 $! mkUnqual varName FSLIT("forall") }
- | 'family' { L1 $! mkUnqual varName FSLIT("family") }
+ | 'forall' { L1 $! mkUnqual varName (fsLit "forall") }
+ | 'family' { L1 $! mkUnqual varName (fsLit "family") }
qvarsym :: { Located RdrName }
: varsym { $1 }
varsym :: { Located RdrName }
: varsym_no_minus { $1 }
- | '-' { L1 $ mkUnqual varName FSLIT("-") }
+ | '-' { L1 $ mkUnqual varName (fsLit "-") }
varsym_no_minus :: { Located RdrName } -- varsym not including '-'
: VARSYM { L1 $ mkUnqual varName (getVARSYM $1) }
-- depending on context
special_id :: { Located FastString }
special_id
- : 'as' { L1 FSLIT("as") }
- | 'qualified' { L1 FSLIT("qualified") }
- | 'hiding' { L1 FSLIT("hiding") }
- | 'export' { L1 FSLIT("export") }
- | 'label' { L1 FSLIT("label") }
- | 'dynamic' { L1 FSLIT("dynamic") }
- | 'stdcall' { L1 FSLIT("stdcall") }
- | 'ccall' { L1 FSLIT("ccall") }
+ : 'as' { L1 (fsLit "as") }
+ | 'qualified' { L1 (fsLit "qualified") }
+ | 'hiding' { L1 (fsLit "hiding") }
+ | 'export' { L1 (fsLit "export") }
+ | 'label' { L1 (fsLit "label") }
+ | 'dynamic' { L1 (fsLit "dynamic") }
+ | 'stdcall' { L1 (fsLit "stdcall") }
+ | 'ccall' { L1 (fsLit "ccall") }
special_sym :: { Located FastString }
-special_sym : '!' { L1 FSLIT("!") }
- | '.' { L1 FSLIT(".") }
- | '*' { L1 FSLIT("*") }
+special_sym : '!' { L1 (fsLit "!") }
+ | '.' { L1 (fsLit ".") }
+ | '*' { L1 (fsLit "*") }
-----------------------------------------------------------------------------
-- Data constructors
: CHAR { L1 $ HsChar $ getCHAR $1 }
| STRING { L1 $ HsString $ getSTRING $1 }
| PRIMINTEGER { L1 $ HsIntPrim $ getPRIMINTEGER $1 }
+ | PRIMWORD { L1 $ HsWordPrim $ getPRIMWORD $1 }
| PRIMCHAR { L1 $ HsCharPrim $ getPRIMCHAR $1 }
| PRIMSTRING { L1 $ HsStringPrim $ getPRIMSTRING $1 }
| PRIMFLOAT { L1 $ HsFloatPrim $ getPRIMFLOAT $1 }
getPRIMCHAR (L _ (ITprimchar x)) = x
getPRIMSTRING (L _ (ITprimstring x)) = x
getPRIMINTEGER (L _ (ITprimint x)) = x
+getPRIMWORD (L _ (ITprimword x)) = x
getPRIMFLOAT (L _ (ITprimfloat x)) = x
getPRIMDOUBLE (L _ (ITprimdouble x)) = x
getTH_ID_SPLICE (L _ (ITidEscape x)) = x
getDOCNAMED (L _ (ITdocCommentNamed x)) = x
getDOCSECTION (L _ (ITdocSection n x)) = (n, x)
+getSCC :: Located Token -> P FastString
+getSCC lt = do let s = getSTRING lt
+ err = "Spaces are not allowed in SCCs"
+ -- We probably actually want to be more restrictive than this
+ if ' ' `elem` unpackFS s
+ then failSpanMsgP (getLoc lt) (text err)
+ else return s
+
-- Utilities for combining source spans
comb2 :: Located a -> Located b -> SrcSpan
comb2 a b = a `seq` b `seq` combineLocs a b
projects / ghc-hetmet.git / blobdiff