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| author | Juan J. Martinez <jjm@usebox.net> | 2022-09-11 20:44:14 +0100 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2022-09-11 20:44:14 +0100 |
| commit | 42c776df8812f31d72331141ab5c07d538594c31 (patch) | |
| tree | 541777923846baa7ec502f2f7fb3f676b00224b5 /src/Micro | |
| parent | 230276c8a3e45a0079232739976e117db2d26b00 (diff) | |
| download | micro-lang-hs-42c776df8812f31d72331141ab5c07d538594c31.tar.gz micro-lang-hs-42c776df8812f31d72331141ab5c07d538594c31.zip | |
More folding
Diffstat (limited to 'src/Micro')
| -rw-r--r-- | src/Micro/Compiler.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Micro/Compiler.hs b/src/Micro/Compiler.hs index 6d2a35d..40d9c1a 100644 --- a/src/Micro/Compiler.hs +++ b/src/Micro/Compiler.hs @@ -182,7 +182,11 @@ compileOne x = do foldConstant :: A.Expr -> A.Expr foldConstant x = case x of + -- FIXME: overflow, invalid, etc (A.BinOp A.Plus pos (A.Num a _) (A.Num b _)) -> A.Num (a + b) pos + (A.BinOp A.Minus pos (A.Num a _) (A.Num b _)) -> A.Num (a - b) pos + (A.BinOp A.Mul pos (A.Num a _) (A.Num b _)) -> A.Num (a * b) pos + (A.BinOp A.Div pos (A.Num a _) (A.Num b _)) -> A.Num (a `div` b) pos (A.BinOp op pos a b) -> do let newOp = A.BinOp op pos (foldConstant a) (foldConstant b) if newOp /= x then foldConstant newOp else newOp |