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forked from GitHub/gf-core

remove FTypes module and move all definitions to Formalism.FCFG

This commit is contained in:
kr.angelov
2007-09-24 08:12:11 +00:00
parent 0cd5e62e83
commit 6aacec3591
10 changed files with 119 additions and 113 deletions

View File

@@ -32,7 +32,7 @@ import Data.Array
----------------------------------------------------------------------
-- * parsing
parse :: (Print c, Ord c, Ord n, Print t, Ord t) => String -> FCFParser c n t
parse :: String -> FCFParser
parse strategy pinfo starts toks = xchart2syntaxchart chart pinfo
where chart = process strategy pinfo toks axioms emptyXChart
axioms | isBU strategy = literals pinfo toks ++ initialBU pinfo toks
@@ -42,7 +42,7 @@ isBU s = s=="b"
isTD s = s=="t"
-- used in prediction
emptyChildren :: RuleId -> FCFPInfo c n t -> SyntaxNode RuleId RangeRec
emptyChildren :: RuleId -> FCFPInfo -> SyntaxNode RuleId RangeRec
emptyChildren ruleid pinfo = SNode ruleid (replicate (length rhs) [])
where
FRule _ rhs _ _ = allRules pinfo ! ruleid
@@ -57,7 +57,7 @@ updateChildren (SNode ruleid recs) i rec = do
makeMaxRange (Range _ j) = Range j j
makeMaxRange EmptyRange = EmptyRange
process :: (Print c, Ord c, Ord n, Print t, Ord t) => String -> FCFPInfo c n t -> Input t -> [(c,Item)] -> XChart c -> XChart c
process :: String -> FCFPInfo -> Input FToken -> [(FCat,Item)] -> XChart FCat -> XChart FCat
process strategy pinfo toks [] chart = chart
process strategy pinfo toks ((c,item):items) chart = process strategy pinfo toks items $! univRule c item chart
where
@@ -110,7 +110,7 @@ process strategy pinfo toks ((c,item):items) chart = process strategy pinfo toks
data Item
= Active RangeRec
Range
{-# UNPACK #-} !FLabel
{-# UNPACK #-} !FIndex
{-# UNPACK #-} !FPointPos
(SyntaxNode RuleId RangeRec)
| Final RangeRec (SyntaxNode RuleId RangeRec)
@@ -134,7 +134,7 @@ insertXChart (XChart actives finals) item@(Final _ _) c =
lookupXChartAct (XChart actives finals) c = chartLookup actives c
lookupXChartFinal (XChart actives finals) c = chartLookup finals c
xchart2syntaxchart :: (Ord c, Ord n, Ord t) => XChart c -> FCFPInfo c n t -> SyntaxChart n (c,RangeRec)
xchart2syntaxchart :: XChart FCat -> FCFPInfo -> SyntaxChart FName (FCat,RangeRec)
xchart2syntaxchart (XChart actives finals) pinfo =
accumAssoc groupSyntaxNodes $
[ case node of
@@ -146,7 +146,7 @@ xchart2syntaxchart (XChart actives finals) pinfo =
| (cat, Final found node) <- chartAssocs finals
]
literals :: (Ord c, Ord n, Ord t) => FCFPInfo c n t -> Input t -> [(c,Item)]
literals :: FCFPInfo -> Input FToken -> [(FCat,Item)]
literals pinfo toks =
[let (c,node) = grammarLexer pinfo t in (c,Final [makeRange i j] node) | Edge i j t <- inputEdges toks, not (t `elem` grammarToks pinfo)]
@@ -154,7 +154,7 @@ literals pinfo toks =
-- Earley --
-- called with all starting categories
initialTD :: (Ord c, Ord n, Ord t) => FCFPInfo c n t -> [c] -> Input t -> [(c,Item)]
initialTD :: FCFPInfo -> [FCat] -> Input FToken -> [(FCat,Item)]
initialTD pinfo starts toks =
do cat <- starts
ruleid <- topdownRules pinfo ? cat
@@ -164,7 +164,7 @@ initialTD pinfo starts toks =
----------------------------------------------------------------------
-- Kilbury --
initialBU :: (Ord c, Ord n, Ord t) => FCFPInfo c n t -> Input t -> [(c,Item)]
initialBU :: FCFPInfo -> Input FToken -> [(FCat,Item)]
initialBU pinfo toks =
do tok <- aElems (inputToken toks)
ruleid <- leftcornerTokens pinfo ? tok ++