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forked from GitHub/gf-core

"Committed_by_peb"

This commit is contained in:
peb
2005-02-18 18:21:06 +00:00
parent fc89b01bb4
commit 5e4929a635
149 changed files with 1518 additions and 1160 deletions

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@@ -1,18 +1,38 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : CF
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.5 $
--
-- context-free grammars. AR 15/12/1999 -- 30/3/2000 -- 2/6/2001 -- 3/12/2001
-- context-free grammars. AR 15\/12\/1999 -- 30\/3\/2000 -- 2\/6\/2001 -- 3\/12\/2001
-----------------------------------------------------------------------------
module CF where
module CF (-- * Types
CF(..), CFRule, CFRuleGroup,
CFItem(..), CFTree(..), CFPredef, CFParser,
RegExp(..), CFWord,
-- * Functions
cfParseResults,
-- ** to construct CF grammars
emptyCF, emptyCFPredef, rules2CF, groupCFRules,
-- ** to construct rules
atomCFRule, atomCFTerm, atomRegExp, altsCFTerm,
-- ** to construct trees
atomCFTree, buildCFTree,
-- ** to decide whether a token matches a terminal item
matchCFTerm, satRegExp,
-- ** to analyse a CF grammar
catsOfCF, rulesOfCF, ruleGroupsOfCF, rulesForCFCat,
valCatCF, valItemsCF, valFunCF,
startCat, predefOfCF, appCFPredef, valCFItem,
cfTokens, wordsOfRegExp, forCFItem,
isCircularCF, predefRules
) where
import Operations
import Str
@@ -182,10 +202,10 @@ forCFItem :: CFTok -> CFRule -> Bool
forCFItem a (_,(_, CFTerm r : _)) = satRegExp r a
forCFItem _ _ = False
-- | we should make a test of circular chains, too
isCircularCF :: CFRule -> Bool
isCircularCF (_,(c', CFNonterm c:[])) = compatCF c' c
isCircularCF _ = False
--- we should make a test of circular chains, too
-- | coercion to the older predef cf type
predefRules :: CFPredef -> CFTok -> [CFRule]

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@@ -1,18 +1,35 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : CFIdent
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.10 $
--
-- symbols (categories, functions) for context-free grammars.
-----------------------------------------------------------------------------
module CFIdent where
module CFIdent (-- * Tokens and categories
CFTok(..), CFCat(..),
tS, tC, tL, tI, tV, tM, tInt,
prCFTok,
-- * Function names and profiles
CFFun(..), Profile,
wordsCFTok,
-- * CF Functions
mkCFFun, varCFFun, consCFFun, string2CFFun, stringCFFun, intCFFun, dummyCFFun,
cfFun2String, cfFun2Ident, cfFun2Profile, metaCFFun,
-- * CF Categories
mkCIdent, ident2CFCat, string2CFCat, catVarCF, cat2CFCat, cfCatString, cfCatInt,
moduleOfCFCat, cfCat2Cat, cfCat2Ident, lexCFCat,
-- * CF Tokens
string2CFTok, str2cftoks,
-- * Comparisons
compatToks, compatTok, compatCFFun, compatCF
) where
import Operations
import GFC
@@ -37,7 +54,13 @@ data CFTok =
-- | this type should be abstract
newtype CFCat = CFCat (CIdent,Label) deriving (Eq, Ord, Show)
tS, tC, tL, tI, tV, tM :: String -> CFTok
tS :: String -> CFTok
tC :: String -> CFTok
tL :: String -> CFTok
tI :: String -> CFTok
tV :: String -> CFTok
tM :: String -> CFTok
tS = TS
tC = TC
tL = TL
@@ -91,8 +114,9 @@ stringCFFun = mkCFFun . AS
intCFFun :: Int -> CFFun
intCFFun = mkCFFun . AI . toInteger
-- | used in lexer-by-need rules
dummyCFFun :: CFFun
dummyCFFun = varCFFun $ identC "_" --- used in lexer-by-need rules
dummyCFFun = varCFFun $ identC "_"
cfFun2String :: CFFun -> String
cfFun2String (CFFun (f,_)) = prt f
@@ -134,7 +158,10 @@ cat2CFCat :: (Ident,Ident) -> CFCat
cat2CFCat = uncurry idents2CFCat
-- | literals
cfCatString :: CFCat
cfCatString = string2CFCat (prt cPredefAbs) "String"
cfCatInt :: CFCat
cfCatInt = string2CFCat (prt cPredefAbs) "Int"
@@ -170,6 +197,7 @@ str2cftoks = map tS . words . sstr
compatToks :: [CFTok] -> [CFTok] -> Bool
compatToks ts us = and [compatTok t u | (t,u) <- zip ts us]
compatTok :: CFTok -> CFTok -> Bool
compatTok (TM _ _) _ = True --- hack because metas are renamed
compatTok _ (TM _ _) = True
compatTok t u = any (`elem` (alts t)) (alts u) where

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@@ -1,13 +1,13 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : CFtoGrammar
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.5 $
--
-- 26\/1\/2000 -- 18\/4 -- 24\/3\/2004
-----------------------------------------------------------------------------

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@@ -5,9 +5,9 @@
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.5 $
--
-- This module prints a CF as a SRG (Speech Recognition Grammar).
-- Created : 21 January, 2001.

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@@ -1,13 +1,13 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : CanonToCF
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.11 $
--
-- AR 27\/1\/2000 -- 3\/12\/2001 -- 8\/6\/2003
-----------------------------------------------------------------------------

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@@ -5,9 +5,9 @@
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.5 $
--
-- Bottom-up Kilbury chart parser from "Pure Functional Parsing", chapter 5.
-- OBSOLETE -- should use new MCFG parsers instead

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@@ -1,13 +1,13 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : EBNF
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.4 $
--
-- (Description of the module)
-----------------------------------------------------------------------------

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@@ -1,13 +1,13 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : PPrCF
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:07 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.9 $
--
-- printing and parsing CF grammars, rules, and trees AR 26/1/2000 -- 9/6/2003
--

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@@ -1,13 +1,13 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : PrLBNF
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:08 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.8 $
--
-- Printing CF grammars generated from GF as LBNF grammar for BNFC.
-- AR 26/1/2000 -- 9/6/2003 (PPrCF) -- 8/11/2003 -- 27/9/2004.

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@@ -1,13 +1,13 @@
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Module : Profile
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date $
-- > CVS $Author $
-- > CVS $Revision $
-- > CVS $Date: 2005/02/18 19:21:08 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.7 $
--
-- restoring parse trees for discontinuous constituents, bindings, etc. AR 25/1/2001
-- revised 8/4/2002 for the new profile structure