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fix in tc

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aarne
2005-09-13 21:05:32 +00:00
parent 314a9db89f
commit 95463f6dba
3 changed files with 26 additions and 6 deletions
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8
doc/gf-bib.bib
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@@ -990,6 +990,14 @@
address = {{Siena}, {Italy}}
}
@InProceedings{ranta-nancy,
author = {A. Ranta},
title = {Resource Grammars for Dialogue Systems and Grammar Writing by Examples},
booktitle = {{TALK Meeting}},
year = 2005,
address = {{Nancy}}
}
@InProceedings{curry,
AUTHOR = "H. B. Curry",
TITLE = "Some logical aspects of grammatical structure",

9
grammars/logic/Logic.gf
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@@ -73,7 +73,8 @@ fun
Pron : (A : Dom) -> Elem A -> Elem A ;
def
-- proof normalization
-- proof normalization; does not tc 13/9/2005
ConjEl _ _ (ConjI _ _ a _) = a ;
ConjEr _ _ (ConjI _ _ _ b) = b ;
DisjE _ _ _ (DisjIl _ _ a) d _ = d a ;
@@ -81,7 +82,11 @@ def
ImplE _ _ (ImplI _ _ b) a = b a ;
NegE _ (NegI _ b) a = b a ;
UnivE _ _ (UnivI _ _ b) a = b a ;
ExistE _ _ _ (ExistI _ _ a b) d = d a b ;
--- ExistE _ _ _ (ExistI _ _ a b) d = d a b ;
--- does not tc 13/9/2005: {a{-2-}<>a{-0-}}
--- moreover: no problem with
--- ConjEr _ _ (ConjI _ _ a _) = a ;
--- But this changes when A B are used instead of _ _
-- Hypo and Pron are identities
Hypo _ a = a ;

15
src/GF/Grammar/TypeCheck.hs
View File

@@ -5,9 +5,9 @@
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/04/21 16:22:30 $
-- > CVS $Author: bringert $
-- > CVS $Revision: 1.14 $
-- > CVS $Date: 2005/09/13 22:05:32 $
-- > CVS $Author: aarne $
-- > CVS $Revision: 1.15 $
--
-- (Description of the module)
-----------------------------------------------------------------------------
@@ -243,7 +243,14 @@ cont2val = type2val . cont2exp
justTypeCheckSrc :: Grammar -> Exp -> Val -> Err Constraints
justTypeCheckSrc gr e v = do
(_,constrs0) <- checkExp (grammar2theorySrc gr) (initTCEnv []) e v
return $ fst $ splitConstraintsSrc gr constrs0
return $ filter notJustMeta constrs0
---- return $ fst $ splitConstraintsSrc gr constrs0
---- this change was to force proper tc of abstract modules.
---- May not be quite right. AR 13/9/2005
where
notJustMeta (c,k) = case (c,k) of
(VClos g1 (Meta m1), VClos g2 (Meta m2)) -> False
_ -> True
grammar2theorySrc :: Grammar -> Theory
grammar2theorySrc gr (m,f) = case lookupFunTypeSrc gr m f of