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mirror of https://github.com/catseye/SixtyPical.git synced 2024-06-26 16:29:28 +00:00

Get storage location renaming almost right.

This commit is contained in:
Cat's Eye Technologies 2014-04-12 12:12:14 +01:00
parent f3924d1bad
commit 7a7127fc06
2 changed files with 77 additions and 18 deletions

View File

@ -65,7 +65,7 @@ checkAndTransformProgram program =
let
program' = numberProgramLoops program
program'' = renameBlockDecls program'
program''' = liftBlockDecls program'
program''' = liftBlockDecls program''
program'''' = fillOutNamedLocationTypes program'''
in
Just program''''

View File

@ -150,30 +150,89 @@ renameBlockDecls (Program decls routines) =
routines' = map renameRoutineDecls routines
in
Program decls routines'
where
renameRoutineDecls (Routine name outputs block) =
let
(Block decls _) = block
block' = foldDeclsRenaming decls block
in
(Routine name outputs block')
-- TODO will have to return new decls too
-- TODO will have to take accumulator too
-- TODO accumulator has to range across all routines too!
foldDeclsRenaming [] block = block
foldDeclsRenaming ((Reserve name typ Nothing):decls) block =
renameRoutineDecls (Routine name outputs block) =
let
newName = "_temp_1" -- TODO base this on accumulator
block' = mapBlockNames name newName block
(Block decls _) = block
(id', block') = foldDeclsRenaming decls 0 block
in
foldDeclsRenaming decls block'
(Routine name outputs block')
-- TODO accumulator has to range across all routines too!
foldDeclsRenaming [] id block = (id, block)
foldDeclsRenaming ((Reserve name typ Nothing):decls) id block =
let
newName = "_temp_" ++ (show id)
id' = id + 1
block' = mapBlockNames name newName block
block'' = substDeclName name newName block'
in
foldDeclsRenaming decls id' block''
-- this is kind of horrible. that we do it this way, i mean
substDeclName n1 n2 (Block decls instrs) =
Block (map (s) decls) instrs
where
s d@(Reserve name typ Nothing)
| name == n1 = (Reserve n2 typ Nothing)
| otherwise = d
mapBlockNames n1 n2 (Block decls instrs) =
(Block decls $ mapInstrsNames n1 n2 instrs)
-- TODO: write this
mapInstrsNames n1 n2 instrs = instrs
mapInstrsNames n1 n2 instrs =
map (mapInstrName n1 n2) instrs
mapInstrName n1 n2 (COPY sl1 sl2) =
COPY (mapStorageLocationName n1 n2 sl1) (mapStorageLocationName n1 n2 sl2)
mapInstrName n1 n2 (CMP sl1 sl2) =
CMP (mapStorageLocationName n1 n2 sl1) (mapStorageLocationName n1 n2 sl2)
mapInstrName n1 n2 (ADD sl1 sl2) =
ADD (mapStorageLocationName n1 n2 sl1) (mapStorageLocationName n1 n2 sl2)
mapInstrName n1 n2 (AND sl1 sl2) =
AND (mapStorageLocationName n1 n2 sl1) (mapStorageLocationName n1 n2 sl2)
mapInstrName n1 n2 (SUB sl1 sl2) =
SUB (mapStorageLocationName n1 n2 sl1) (mapStorageLocationName n1 n2 sl2)
mapInstrName n1 n2 (OR sl1 sl2) =
OR (mapStorageLocationName n1 n2 sl1) (mapStorageLocationName n1 n2 sl2)
{-
| XOR StorageLocation StorageLocation
| SHL StorageLocation StorageLocation
| SHR StorageLocation StorageLocation
| BIT StorageLocation
| JMPVECTOR StorageLocation
| IF InternalID Branch Block Block
| REPEAT InternalID Branch Block
| DELTA StorageLocation DataValue
| WITH WithInstruction Block
| COPYROUTINE RoutineName StorageLocation
-}
mapInstrName n1 n2 other =
other
mapStorageLocationName n1 n2 (Indirect sl) =
Indirect $ mapStorageLocationName n1 n2 sl
mapStorageLocationName n1 n2 (Indexed sl1 sl2) =
Indexed (mapStorageLocationName n1 n2 sl1) sl2
mapStorageLocationName n1 n2 (IndirectIndexed sl1 sl2) =
IndirectIndexed (mapStorageLocationName n1 n2 sl1) sl2
mapStorageLocationName n1 n2 sl@(NamedLocation typ name)
| name == n1 = NamedLocation typ n2
| otherwise = sl
mapStorageLocationName n1 n2 (LowByteOf sl) =
LowByteOf $ mapStorageLocationName n1 n2 sl
mapStorageLocationName n1 n2 (HighByteOf sl) =
HighByteOf $ mapStorageLocationName n1 n2 sl
mapStorageLocationName n1 n2 other =
other
-- -- -- --