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authorpeb <unknown>2005-02-18 18:21:06 +0000
committerpeb <unknown>2005-02-18 18:21:06 +0000
commit9568d7a844ba6a1872a8e8f6ef002860057e62ab (patch)
tree9e25c6ed62e48101a2782d5fb8dcba68462dc613 /src/GF/Grammar/Values.hs
parent1c4f025320900897ae3acdab6982f7d595b98dd1 (diff)
"Committed_by_peb"
Diffstat (limited to 'src/GF/Grammar/Values.hs')
-rw-r--r--src/GF/Grammar/Values.hs34
1 files changed, 26 insertions, 8 deletions
diff --git a/src/GF/Grammar/Values.hs b/src/GF/Grammar/Values.hs
index b99fef467..fdbce53de 100644
--- a/src/GF/Grammar/Values.hs
+++ b/src/GF/Grammar/Values.hs
@@ -1,18 +1,27 @@
----------------------------------------------------------------------
-- |
--- Module : (Module)
--- Maintainer : (Maintainer)
+-- Module : Values
+-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
--- > CVS $Date $
--- > CVS $Author $
--- > CVS $Revision $
+-- > CVS $Date: 2005/02/18 19:21:13 $
+-- > CVS $Author: peb $
+-- > CVS $Revision: 1.6 $
--
-- (Description of the module)
-----------------------------------------------------------------------------
-module Values where
+module Values (-- * values used in TC type checking
+ Exp, Val(..), Env,
+ -- * annotated tree used in editing
+ Tree, TrNode(..), Atom(..), Binds, Constraints, MetaSubst,
+ -- * for TC
+ valAbsInt, valAbsString, vType,
+ isPredefCat,
+ cType, cPredefAbs, cInt, cString,
+ eType, tree2exp, loc2treeFocus
+ ) where
import Operations
import Zipper
@@ -45,19 +54,28 @@ type MetaSubst = [(MetaSymb,Val)]
-- for TC
-valAbsInt, valAbsString :: Val
+valAbsInt :: Val
valAbsInt = VCn (cPredefAbs, cInt)
+
+valAbsString :: Val
valAbsString = VCn (cPredefAbs, cString)
vType :: Val
vType = VType
-cType,cPredefAbs,cInt,cString :: Ident
+cType :: Ident
cType = identC "Type" --- #0
+
+cPredefAbs :: Ident
cPredefAbs = identC "PredefAbs"
+
+cInt :: Ident
cInt = identC "Int"
+
+cString :: Ident
cString = identC "String"
+isPredefCat :: Ident -> Bool
isPredefCat c = elem c [cInt,cString]
eType :: Exp