changed names of resource-1.3; added a note on homepage on release

1 files changed, 53 insertions, 0 deletions

diff --git a/src/GF/Grammar/LookAbs.hs b/src/GF/Grammar/LookAbs.hs
new file mode 100644
index 000000000..f9a251eb1
--- /dev/null
+++ b/src/GF/Grammar/LookAbs.hs
@@ -0,0 +1,53 @@
+----------------------------------------------------------------------
+-- |
+-- Module      : LookAbs
+-- Maintainer  : AR
+-- Stability   : (stable)
+-- Portability : (portable)
+--
+-- > CVS $Date: 2005/04/28 16:42:48 $ 
+-- > CVS $Author: aarne $
+-- > CVS $Revision: 1.14 $
+--
+-- (Description of the module)
+-----------------------------------------------------------------------------
+
+module GF.Grammar.LookAbs (
+		lookupFunType,
+		lookupCatContext
+	       ) where
+
+import GF.Data.Operations
+import GF.Grammar.Abstract
+import GF.Infra.Ident
+
+import GF.Infra.Modules
+
+import Data.List (nub)
+import Control.Monad
+
+-- | this is needed at compile time
+lookupFunType :: Grammar -> Ident -> Ident -> Err Type
+lookupFunType gr m c = do
+  mi   <- lookupModule gr m
+  case mi of
+    ModMod mo -> do
+      info <- lookupIdentInfo mo c
+      case info of
+        AbsFun (Yes t) _  -> return t
+        AnyInd _ n  -> lookupFunType gr n c
+        _ -> prtBad "cannot find type of" c
+    _ -> Bad $ prt m +++ "is not an abstract module"
+
+-- | this is needed at compile time
+lookupCatContext :: Grammar -> Ident -> Ident -> Err Context
+lookupCatContext gr m c = do
+  mi   <- lookupModule gr m
+  case mi of
+    ModMod mo -> do
+      info <- lookupIdentInfo mo c
+      case info of
+        AbsCat (Yes co) _ -> return co
+        AnyInd _ n  -> lookupCatContext gr n c
+        _ -> prtBad "unknown category" c
+    _ -> Bad $ prt m +++ "is not an abstract module"