92 lines
1.8 KiB
Haskell
92 lines
1.8 KiB
Haskell
{-# LANGUAGE QuasiQuotes #-}
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module Core.Examples where
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----------------------------------------------------------------------------------
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import Core.Syntax
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import Core.TH
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----------------------------------------------------------------------------------
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-- TODO: my shitty lexer isn't inserting semicolons
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letrecExample :: Program
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letrecExample = [coreProg|
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pair x y f = f x y
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fst p = p k
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snd p = p k1
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f x y =
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letrec a = pair x b
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b = pair y a
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in fst (snd (snd (snd a)));
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main = f 3 4;
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|]
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idExample :: Program
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idExample = [coreProg|
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main = id 3;
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|]
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indExample1 = [coreProg|
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main = twice twice id 3;
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|]
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indExample2 = [coreProg|
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main = twice twice twice id 3;
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|]
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indExample3 = [coreProg|
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main = letrec x = 2
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y = f x x
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in g y y;
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f a b = b;
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g a b = a;
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|]
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negExample1 = [coreProg|
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main = negate# (id 3);
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|]
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negExample2 = [coreProg|
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main = negate# 3;
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|]
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negExample3 = [coreProg|
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main = twice negate# 3;
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|]
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arithExample1 = [coreProg|
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main = (+#) 3 (negate# 2);
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|]
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arithExample2 = [coreProg|
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main = negate# ((+#) 2 ((*#) 5 3));
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|]
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ifExample1 = [coreProg|
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main = if# True 2 3;
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|]
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ifExample2 = [coreProg|
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main = if# (id True) 2 3;
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|]
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facExample = [coreProg|
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fac n = if# ((==#) n 0) 1 ((*#) n (fac ((-#) n 1)))
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main = fac 3;
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|]
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corePrelude :: Module
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corePrelude = Module (Just ("Prelude", [])) $ Program
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[ ScDef "id" ["x"] (Var "x")
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, ScDef "k" ["x", "y"] (Var "x")
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, ScDef "k1" ["x", "y"] (Var "y")
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, ScDef "succ" ["f", "g", "x"] (Var "f" :$ Var "x" :$ (Var "g" :$ Var "x"))
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, ScDef "compose" ["f", "g", "x"] (Var "f" :$ (Var "g" :$ Var "x"))
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, ScDef "twice" ["f", "x"] (Var "f" :$ (Var "f" :$ Var "x"))
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, ScDef "False" [] $ Con 0 0
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, ScDef "True" [] $ Con 1 0
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]
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