Make genMap support mapping applications.

This is a companion commit to the previous one, to handle the changes in
normal form introduced there. This only works for map so far, the other
higher order functions will be changed later.

diff --git a/Generate.hs b/Generate.hs
index b1aa491ccd1975e238bcde2022ad6a2eeaad7fb5..1a01a67d75d8539e4753c7d588769215c3871011 100644 (file)
--- a/Generate.hs
+++ b/Generate.hs
@@ -84,9 +84,11 @@ genFCall' (Right name) _ _ = error $ "Cannot generate builtin function call assi
 
 -- | Generate a generate statement for the builtin function "map"
 genMap :: BuiltinBuilder
-genMap = genVarArgs genMap'
-genMap' :: (Either CoreSyn.CoreBndr AST.VHDLName) -> CoreSyn.CoreBndr -> [Var.Var] -> VHDLSession [AST.ConcSm]
-genMap' (Left res) f [mapped_f, arg] =
+genMap (Left res) f [Left mapped_f, Left (Var arg)] =
+  -- mapped_f must be a CoreExpr (since we can't represent functions as VHDL
+  -- expressions). arg must be a CoreExpr (and should be a CoreSyn.Var), since
+  -- we must index it (which we couldn't if it was a VHDL Expr, since only
+  -- VHDLNames can be indexed).
   let
     -- Setup the generate scheme
     len         = (tfvec_len . Var.varType) res
@@ -102,7 +104,9 @@ genMap' (Left res) f [mapped_f, arg] =
     resname     = mkIndexedName (varToVHDLName res) n_expr
     argexpr     = vhdlNameToVHDLExpr $ mkIndexedName (varToVHDLName arg) n_expr
   in do
-    app_concsms <- genApplication (Right resname) mapped_f [Right argexpr]
+    let (CoreSyn.Var real_f, already_mapped_args) = CoreSyn.collectArgs mapped_f
+    let valargs = get_val_args (Var.varType real_f) already_mapped_args
+    app_concsms <- genApplication (Right resname) real_f (map Left valargs ++ [Right argexpr])
     -- Return the generate statement
     return [AST.CSGSm $ AST.GenerateSm label genScheme [] app_concsms]