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forked from GitHub/gf-core

"Committed_by_peb"

This commit is contained in:
peb
2005-04-18 13:55:32 +00:00
parent 1323b74063
commit c1592825c7
19 changed files with 284 additions and 192 deletions

View File

@@ -4,9 +4,9 @@
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/04/16 05:40:49 $
-- > CVS $Date: 2005/04/18 14:55:33 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.2 $
-- > CVS $Revision: 1.3 $
--
-- CFG parsing with a general chart
-----------------------------------------------------------------------------
@@ -26,7 +26,8 @@ import Monad
parse :: (Ord n, Ord c, Ord t) => Strategy -> CFParser c n t
parse strategy grammar start = extract .
tracePrt "#internal chart" (prt . length . chartList) .
tracePrt "Parsing.CFG.General - size internal of chart"
(prt . length . chartList) .
process strategy grammar start
-- | parsing strategy: (isBottomup, isTopdown)
@@ -54,8 +55,8 @@ process :: (Ord n, Ord c, Ord t) =>
-> Input t -- ^ input string
-> IChart n (Symbol c t)
process (isBottomup, isTopdown) grammar start
= trace2 "CFParserGeneral" ((if isBottomup then " BU" else "") ++
(if isTopdown then " TD" else "")) $
= trace2 "Parsing.CFG.General - strategy" ((if isBottomup then " BU" else "") ++
(if isTopdown then " TD" else "")) $
buildChart keyof [predict, combine] . axioms
where axioms input = initial ++ scan input