module Generate where
-
+
+-- Standard modules
+import qualified Control.Monad as Monad
+import qualified Maybe
+
+-- ForSyDe
import qualified ForSyDe.Backend.VHDL.AST as AST
+
+-- GHC API
+import CoreSyn
+import qualified Var
+
+-- Local imports
import Constants
+import VHDLTypes
+import VHDLTools
+import CoreTools
+
+-- | Generate a binary operator application. The first argument should be a
+-- constructor from the AST.Expr type, e.g. AST.And.
+genExprOp2 :: (AST.Expr -> AST.Expr -> AST.Expr) -> [AST.Expr] -> AST.Expr
+genExprOp2 op [arg1, arg2] = op arg1 arg2
+
+-- | Generate a unary operator application
+genExprOp1 :: (AST.Expr -> AST.Expr) -> [AST.Expr] -> AST.Expr
+genExprOp1 op [arg] = op arg
-- | Generate a function call from the Function Name and a list of expressions
-- (its arguments)
AST.PrimFCall $ AST.FCall (AST.NSimple fName) $
map (\exp -> Nothing AST.:=>: AST.ADExpr exp) args
--- | List version of genExprFCall1
-genExprFCall1L :: AST.VHDLId -> [AST.Expr] -> AST.Expr
-genExprFCall1L fName [arg] = genExprFCall fName [arg]
-genExprFCall1L _ _ = error "Generate.genExprFCall1L incorrect length"
-
--- | List version of genExprFCall2
-genExprFCall2L :: AST.VHDLId -> [AST.Expr] -> AST.Expr
-genExprFCall2L fName [arg1, arg2] = genExprFCall fName [arg1,arg2]
-genExprFCall2L _ _ = error "Generate.genExprFCall2L incorrect length"
+-- | Generate a generate statement for the builtin function "map"
+genMapCall ::
+ Entity -- | The entity to map
+ -> [CoreSyn.CoreBndr] -- | The vectors
+ -> AST.GenerateSm -- | The resulting generate statement
+genMapCall entity [arg, res] = genSm
+ where
+ -- Setup the generate scheme
+ len = (tfvec_len . Var.varType) res
+ label = mkVHDLExtId ("mapVector" ++ (varToString res))
+ nPar = AST.unsafeVHDLBasicId "n"
+ range = AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (len-1))
+ genScheme = AST.ForGn nPar range
+ -- Get the entity name and port names
+ entity_id = ent_id entity
+ argport = map (Monad.liftM fst) (ent_args entity)
+ resport = (Monad.liftM fst) (ent_res entity)
+ -- Assign the ports
+ inport = mkAssocElemIndexed (head argport) (varToString arg) nPar
+ outport = mkAssocElemIndexed resport (varToString res) nPar
+ clk_port = mkAssocElem (Just $ mkVHDLExtId "clk") "clk"
+ portassigns = Maybe.catMaybes [inport,outport,clk_port]
+ -- Generate the portmap
+ mapLabel = "map" ++ (AST.fromVHDLId entity_id)
+ compins = mkComponentInst mapLabel entity_id portassigns
+ -- Return the generate functions
+ genSm = AST.GenerateSm label genScheme [] [compins]
genUnconsVectorFuns :: AST.TypeMark -- ^ type of the vector elements
-> AST.TypeMark -- ^ type of the vector
genUnconsVectorFuns elemTM vectorTM =
[ AST.SubProgBody exSpec [] [exExpr]
, AST.SubProgBody replaceSpec [AST.SPVD replaceVar] [replaceExpr,replaceRet]
- , AST.SubProgBody headSpec [] [headExpr]
- , AST.SubProgBody lastSpec [] [lastExpr]
- , AST.SubProgBody initSpec [AST.SPVD initVar] [initExpr, initRet]
- , AST.SubProgBody tailSpec [AST.SPVD tailVar] [tailExpr, tailRet]
- , AST.SubProgBody takeSpec [AST.SPVD takeVar] [takeExpr, takeRet]
- , AST.SubProgBody dropSpec [AST.SPVD dropVar] [dropExpr, dropRet]
+ , AST.SubProgBody headSpec [] [headExpr]
+ , AST.SubProgBody lastSpec [] [lastExpr]
+ , AST.SubProgBody initSpec [AST.SPVD initVar] [initExpr, initRet]
+ , AST.SubProgBody tailSpec [AST.SPVD tailVar] [tailExpr, tailRet]
+ , AST.SubProgBody takeSpec [AST.SPVD takeVar] [takeExpr, takeRet]
+ , AST.SubProgBody dropSpec [AST.SPVD dropVar] [dropExpr, dropRet]
+ , AST.SubProgBody plusgtSpec [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet]
+ , AST.SubProgBody emptySpec [AST.SPVD emptyVar] [emptyExpr]
+ , AST.SubProgBody singletonSpec [AST.SPVD singletonVar] [singletonRet]
+ , AST.SubProgBody copySpec [AST.SPVD copyVar] [copyExpr]
]
where
ixPar = AST.unsafeVHDLBasicId "ix"
replaceVar =
AST.VarDec resId
(AST.SubtypeIn vectorTM
- (Just $ AST.IndexConstraint
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
[AST.ToRange (AST.PrimLit "0")
(AST.PrimName (AST.NAttribute $
AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-:
initVar =
AST.VarDec resId
(AST.SubtypeIn vectorTM
- (Just $ AST.IndexConstraint
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
[AST.ToRange (AST.PrimLit "0")
(AST.PrimName (AST.NAttribute $
AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-:
tailVar =
AST.VarDec resId
(AST.SubtypeIn vectorTM
- (Just $ AST.IndexConstraint
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
[AST.ToRange (AST.PrimLit "0")
(AST.PrimName (AST.NAttribute $
AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-:
takeVar =
AST.VarDec resId
(AST.SubtypeIn vectorTM
- (Just $ AST.IndexConstraint
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
[AST.ToRange (AST.PrimLit "0")
((AST.PrimName (AST.NSimple nPar)) AST.:-:
(AST.PrimLit "1")) ]))
dropVar =
AST.VarDec resId
(AST.SubtypeIn vectorTM
- (Just $ AST.IndexConstraint
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
[AST.ToRange (AST.PrimLit "0")
(AST.PrimName (AST.NAttribute $
AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-:
(AST.PrimName (AST.NAttribute $
AST.AttribName (AST.NSimple vecPar) lengthId Nothing)
AST.:-: AST.PrimLit "1"))
- dropRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
\ No newline at end of file
+ dropRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
+ plusgtSpec = AST.Function plusgtId [AST.IfaceVarDec aPar elemTM,
+ AST.IfaceVarDec vecPar vectorTM] vectorTM
+ -- variable res : fsvec_x (0 to vec'length);
+ plusgtVar =
+ AST.VarDec resId
+ (AST.SubtypeIn vectorTM
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
+ [AST.ToRange (AST.PrimLit "0")
+ (AST.PrimName (AST.NAttribute $
+ AST.AttribName (AST.NSimple vecPar) lengthId Nothing))]))
+ Nothing
+ plusgtExpr = AST.NSimple resId AST.:=
+ ((AST.PrimName $ AST.NSimple aPar) AST.:&:
+ (AST.PrimName $ AST.NSimple vecPar))
+ plusgtRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
+ emptySpec = AST.Function emptyId [] vectorTM
+ emptyVar =
+ AST.VarDec resId
+ (AST.SubtypeIn vectorTM
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
+ [AST.ToRange (AST.PrimLit "0")
+ (AST.PrimLit "-1")]))
+ Nothing
+ emptyExpr = AST.ReturnSm (Just $ AST.PrimName (AST.NSimple resId))
+ singletonSpec = AST.Function singletonId [AST.IfaceVarDec aPar elemTM ]
+ vectorTM
+ -- variable res : fsvec_x (0 to 0) := (others => a);
+ singletonVar =
+ AST.VarDec resId
+ (AST.SubtypeIn vectorTM
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
+ [AST.ToRange (AST.PrimLit "0") (AST.PrimLit "0")]))
+ (Just $ AST.Aggregate [AST.ElemAssoc (Just AST.Others)
+ (AST.PrimName $ AST.NSimple aPar)])
+ singletonRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
+ copySpec = AST.Function copyId [AST.IfaceVarDec nPar naturalTM,
+ AST.IfaceVarDec aPar elemTM ] vectorTM
+ -- variable res : fsvec_x (0 to n-1) := (others => a);
+ copyVar =
+ AST.VarDec resId
+ (AST.SubtypeIn vectorTM
+ (Just $ AST.ConstraintIndex $ AST.IndexConstraint
+ [AST.ToRange (AST.PrimLit "0")
+ ((AST.PrimName (AST.NSimple nPar)) AST.:-:
+ (AST.PrimLit "1")) ]))
+ (Just $ AST.Aggregate [AST.ElemAssoc (Just AST.Others)
+ (AST.PrimName $ AST.NSimple aPar)])
+ -- return res
+ copyExpr = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
projects / matthijs / master-project / cλash.git / blobdiff