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No commits in common. "f8b89966fb4752c9bb47622f49bb08a152a7f7f0" and "5f7b25be8116086047c87304a56d7fd4ad5e5afc" have entirely different histories.
f8b89966fb
...
5f7b25be81
2 changed files with 86 additions and 160 deletions
10
lib/dune
10
lib/dune
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@ -1,7 +1,7 @@
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; (env
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; (_
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; (flags
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; (:standard -warn-error +5))))
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(env
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(_
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(flags
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(:standard -warn-error +5))))
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(library
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(name semantic_interpreter)
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@ -26,7 +26,7 @@
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(flags
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(:standard -rectypes))
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(libraries OCanren OCanren.tester)
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(preprocessor_deps ./pp5+gt+plugins+ocanren+dump.exe)
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(preprocessor_deps %{project_root}/lib/pp5+gt+plugins+ocanren+dump.exe)
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(inline_tests)
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(wrapped false)
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(preprocess
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@ -45,229 +45,155 @@ struct
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type env_injected = (data_injected * data_injected) List.injected ilogic
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@type ('env, 'mem, 'last_mem, 'assignments) state_abs = 'env * 'mem * 'last_mem * 'assignments with show, gmap
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@type state_ground = (env_ground, value_ground List.ground, data_ground, data_ground List.ground) state_abs with show, gmap
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@type state_logic = (env_logic, value_logic List.logic, data_logic, data_logic List.logic) state_abs logic with show, gmap
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@type state_ground = (list_map_ground, value_ground List.ground, data_ground, data_ground List.ground) state_abs with show, gmap
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@type state_logic = (list_map_logic, value_logic List.logic, data_logic, data_logic List.logic) state_abs logic with show, gmap
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type state_injected = (env_injected, value_injected List.injected, data_injected, data_injected List.injected) state_abs ilogic
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(* ocanren type 'a lst = Nil | Cons of 'a * 'a lst *)
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let rec list_replace xs id value ys =
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conde
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[ (xs === Std.nil ()) &&& (ys === Std.nil ()) (* TODO: error *)
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; fresh (x xs') (xs === List.cons x xs') (id === Nat.o) (ys === List.cons value xs)
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; fresh (x xs' id' ys') (xs === List. cons x xs') (id === Nat.s id') (ys === List.cons x ys')
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[ (xs === List.nil) (ys === List.nil) (* TODO: error *)
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; fresh (x xs') (xs === List.cons x xs') (id === 0) (ys === List.cons value xs)
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; fresh (x xs' id' ys') (xs ===List. cons x xs') (id === Nat.succ id') (ys === List.cons x ys')
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(list_replace xs' id' value ys')
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]
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let rec list_assoc a xs v' =
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conde
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[ fresh (a' b' xs')
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(xs === List.cons (a', b') xs')
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(a =/= a')
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(list_assoc a xs' v')
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; fresh (a' b' xs')
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(xs === List.cons (a', b') xs')
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(a === a')
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(v' === b')
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]
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(* TODO: dofference from List.assoco ?? *)
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let env_get state id mem_id' =
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fresh (env mem mem_len assignments)
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(state === inj (env, mem, mem_len, assignments))
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(list_assoc id env mem_id')
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(* (List.assoco id env mem_id') *)
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let env_get state id state' =
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fresh (env env' mem mem_len assignments)
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(state === (env, mem, mem_len, assignments))
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(state' === (env', mem, mem_len, assignments))
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(List.assoco id env env')
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let env_add state id mem_id state' =
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fresh (env env' mem mem_len assignments)
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(state === inj (env, mem, mem_len, assignments))
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(state' === inj (env', mem, mem_len, assignments))
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(env' === List.cons (id, mem_id) env)
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(state === (env, mem, mem_len, assignments))
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(state' === (env', mem, mem_len, assignments))
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(env' == List.cons (id, mem_id) env)
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let inv_id mem_len id id' =
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fresh (inv_id_inc)
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(fresh inv_id_inc)
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(Nat.addo inv_id_inc id mem_len)
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(Nat.addo id' (Nat.s Nat.o) inv_id_inc)
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(Nat.addo id' 1 inv_id_inc)
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(* --- *)
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let rec list_nth xs id x' =
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let list_nth xs id x' =
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conde
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[ (xs === Std.nil ()) (* TODO: error *)
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; fresh (y' xs') (id === Nat.o) (List.cons y' xs' === xs) (x' === y')
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; fresh (id' y' xs') (Nat.s id' === id) (List.cons y' xs' === xs) (list_nth xs' id' x')
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[ (xs === List.nil) (* TODO: error *)
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; (fresh y' xs') (id === 0) (List.cons y' xs' === xs) (x' === y')
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; (fresh id' y' xs') (Nat.succ id' === id) (List.cons y' xs' === xs) (list_nth xs' id' x')
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]
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(* TODO: use real holes *)
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let mem_get state id value' =
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fresh (mem mem_len mem_id mem_id_inv env_ assignments_)
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(state === inj (env_, mem, mem_len, assignments_))
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(fresh mem mem_len)
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(state === (_, mem, mem_len, _))
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(fresh mem_id mem_id_inv)
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(env_get state id mem_id)
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(inv_id mem_len mem_id mem_id_inv)
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(list_nth mem mem_id_inv value')
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(inv_id mem_len mem_id mem_len_inv)
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(list_nth mem mem_id value')
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let mem_set state id value state'=
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fresh (env mem mem_len assignments mem_id inv_mem_id mem')
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(state === inj (env, mem, mem_len, assignments))
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(env_get state id mem_id)
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(inv_id mem_len mem_id inv_mem_id)
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(list_replace mem mem_id value mem')
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(state' === inj (env, mem', mem_len, List.cons id assignments))
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(fresh env mem mem_len assignments)
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(state === (env, mem, mem_len, assignments))
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(fresh mem_id) (env_get state id mem_id)
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(fresh inv_mem_id) (inv_id mem_len mem_id inv_mem_id)
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(fresh mem') (list_replace mem mem_id value mem')
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(state' === (env, mem', mem_len, List.cons id assignments))
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let mem_add state value state' =
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fresh (env mem mem_len assignments mem')
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(state === inj (env, mem, mem_len, assignments))
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(mem' === List.cons value mem)
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(state' === inj (env, mem, Nat.s mem_len, assignments))
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(fresh env mem mem_len assignments)
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(state === (env, mem, mem_len, assignments))
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(fresh mem') (mem' === List.cons value mem)
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(state' === (env, mem, Nat.succ mem_len, assignments))
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let mem_check state id state' =
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conde
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[ (mem_get state id (inj BotV)) &&& (state' === state) (* TODO: error *)
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; (mem_get state id (inj UnitV)) &&& (state' === state)
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[ (mem_get state id BotV) (state' === state) (* TODO: error *)
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; (mem_get state id UnitV) (state' === state)
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]
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(* --- *)
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let rec list_foldl f acc xs acc' =
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conde
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[ (xs === Std.nil ()) &&& (acc' === acc)
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; fresh (x' xs' acc_upd)
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(xs === List.cons x' xs')
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(list_foldl f acc xs' acc_upd)
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(f acc_upd x' acc')
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]
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let rec list_foldr2 f acc xs ys acc' =
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conde
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[ (xs === Std.nil ()) &&& (ys === Std.nil ()) &&& (acc' === acc)
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; fresh (x' xs' y' ys' acc_upd)
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(xs === List.cons x' xs')
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(ys === List.cons y' ys')
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(f acc x' y' acc_upd)
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(list_foldr2 f acc_upd xs' ys' acc')
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]
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let rec list_foldl2 f acc xs ys acc' =
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conde
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[ (xs === Std.nil ()) &&& (ys === Std.nil ()) &&& (acc' === acc)
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; fresh (x' xs' y' ys' acc_upd)
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(xs === List.cons x' xs')
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(ys === List.cons y' ys')
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(list_foldl2 f acc xs' ys' acc_upd)
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(f acc_upd x' y' acc')
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]
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let arg_to_value state arg value' =
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conde
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[ (arg === inj RValue) &&& (value' === inj UnitV)
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; fresh (id) (arg === inj (LValue id)) (mem_get state id value')
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[ (arg === RValue) (value' === UnitV)
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; (fresh id) (arg === LValue id) (mem_get state id value')
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]
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let arg_to_rvalue _arg value' = (value' === inj RValue)
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let st_mem_len state mem_len' =
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fresh (env_ mem_ assignments_) (* TODO: replace with real placeholder ? *)
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(state === inj (env_, mem_, mem_len', assignments_))
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let st_mem_len state mem_len' = (state === (_, _, mem_len, _))
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let st_add_arg state state_before id arg_tag arg state'' =
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conde
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[ (arg_tag === inj Ref) &&& (arg === inj RValue) &&& (state'' === state)
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(* TODO: error, TODO: allow later ?? *)
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; fresh (arg' value')
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(arg_tag === inj Ref)
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(arg === inj (LValue arg'))
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(env_get state_before arg' value')
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(env_add state id value' state'')
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; fresh (value' state' mem_len_dec')
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(arg_tag === inj Value)
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[ (arg_tag === Ref) (arg === RValue) (state'' === state) (* TODO: error *) (* TODO: allow later ?? *)
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; (fresh arg') (arg_tag === Ref) (arg === LValue arg')
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(fresh value') (env_get state_before arg value')
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(env_add state id value' state'')
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; (arg_tag === Value)
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(fresh value' state' mem_len_dec')
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(arg_to_value state_before arg value')
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(mem_add state value' state')
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(st_mem_len state (Nat.s mem_len_dec'))
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(Nat.succ mem_len_dec' === st_mem_len state)
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(env_add state' id mem_len_dec' state'')
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]
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let st_spoil_folder mem_len state mem id mem' =
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fresh (mem_id' mem_id_inv')
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(env_get state id mem_id')
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(inv_id mem_len mem_id' mem_id_inv')
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(list_replace mem mem_id_inv' (inj BotV) mem')
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let st_spoil_assignments state state' =
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fresh (env mem mem' mem_len assignments)
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(state === inj (env, mem, mem_len, assignments))
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(list_foldl (st_spoil_folder mem_len state) mem assignments mem')
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(* (List.fold_left (fun mem id -> list_replace mem (inv_id mem_len @@ env_get state id) BotV) mem assignments mem') *)
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(state' === inj (env, mem', mem_len, Std.nil ()))
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(fresh env mem mem' mem_len assignments)
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(state === (env, mem, mem_len, assignments))
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(List.fold_left (fun mem id -> list_replace mem (inv_id mem_len @@ env_get state id) BotV) mem assignments mem')
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(* TODO: replace with foldlo (or foldro ?) *)
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(state') === (env, mem', mem_len, [])
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(* --- *)
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let arg_to_lvalue arg arg' = (arg' === inj (LValue arg))
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let rec list_drop n xs xs' =
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conde
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[ (xs === Std.nil ()) &&& (xs' === Std.nil ())
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; n === Nat.o &&& (xs === xs')
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; fresh (n' y ys) (Nat.s n' === n) (xs === List.cons y ys) (list_drop n' ys xs')
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]
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let arg_to_lvalue arg arg' = (arg' === LValue arg)
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let rec eval_stmt state prog stmt state' =
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conde
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[ fresh (f_id args f args')
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(stmt === inj (Call (f_id, args)))
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[ (fresh f_id args)
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(stmt === Call (f_id, args))
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(fresh f args')
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(list_nth prog f_id f)
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(List.mapo arg_to_lvalue args args')
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(eval_fun state prog f args' state')
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; fresh (id) (stmt === inj (Read id)) (mem_check state id state')
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; fresh (id) (stmt === inj (Write id)) (mem_set state id (inj UnitV) state')
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(eval_fun state prog f args')
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; (fresh id) (stmt === Read id) (mem_check state id state')
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; (fresh id) (stmt === Write id) (mem_set state it UnitV state')
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]
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and eval_body_folder prog state stmt state' = eval_stmt state prog stmt state'
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and eval_body state prog body state' =
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list_foldl (eval_body_folder prog) state body state'
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(* (List.fold_left (fun state stmt -> eval_stmt state prog stmt) state body) *)
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and add_arg_folder state_before state_c arg_tag arg state_c' =
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fresh (state id state' id')
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(state_c === inj (state, id))
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(st_add_arg state state_before id arg_tag arg state')
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(id' === Nat.s id)
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(state_c' === inj (state', id'))
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(List.fold_left (fun state stmt -> eval_stmt state prog stmt) state body)
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(* TODO: replace with foldlo (or foldro ?) *)
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and eval_fun state prog decl args state' =
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fresh (arg_tags body
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env_before mem_before len_before assignments_before
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state_clean
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state_with_vars counter_
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state_evaled
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state_spoiled
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env_ mem_spoiled len assignments_
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mem_updated len_to_drop)
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(decl === inj (arg_tags, body))
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(state === inj (env_before, mem_before, len_before, assignments_before))
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(state_clean === inj (Std.nil (), mem_before, len_before, Std.nil ()))
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(list_foldl2 (add_arg_folder state) (inj (state, Nat.o)) arg_tags args (inj (state_with_vars, counter_))) (* TODO: replace with real placeholder *)
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(eval_body state_with_vars prog body state_evaled)
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(fresh arg_tags body)
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(fresh env_before mem_before len_before assignments_before)
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(fresh state_clean)
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(state_clean === ([], mem_before, len_before, []))
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(fresh state_with_vars)
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(state_with_vars === List.fold_left2 (fun (state, id) arg_tag arg -> (st_add_arg state state id arg_tag arg, id + 1)) (state, 0) arg_tags args)
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(* TODO how, rewrite from scratch ??? *)
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(* TODO: replace with foldlo (or foldro ?) ?? *)
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(fresh state_evaled)
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(eval_body state prog body state_evaled)
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(fresh state_spoiled)
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(st_spoil_assignments state_evaled state_spoiled)
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(state_spoiled === inj (env_, mem_spoiled, len, assignments_))
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(fresh mem_updated len_to_drop)
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(Nat.addo len_to_drop len_before len)
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(list_drop len_to_drop mem_spoiled mem_updated)
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(state' === inj (env_before, mem_updated, len_before, assignments_before))
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(List.drop len_to_drop mem mem_updated)
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(state' === (env_before, mem_updated, len_before, assignments_before))
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and eval_fun_empty_args state prog decl state' =
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fresh (arg_tags args hole_) (* TODO: replace with real placeholder *)
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(decl === inj (arg_tags, hole_))
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(List.mapo arg_to_rvalue arg_tags args)
|
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(fresh arg_tags)
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(decl === (arg_tags, _))
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(List.mapo arg_to_rvalue arg_tags args) (* TODO how, rewrite from scratch ??? *)
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(eval_fun state prog decl args state')
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(* --- *)
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let empty_state state = (state === inj (Std.nil (), Std.nil (), Nat.o, Std.nil ()))
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let empty_state state = (state === ([], [], 0, []))
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let eval_prog all_prog state' =
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fresh (prog main_decl state)
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(all_prog === inj (prog, main_decl))
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(empty_state state)
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(eval_fun_empty_args state prog main_decl state')
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(fresh prog main_decl)
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(all_prog == (prog, main_decl))
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(eval_fun_empty_args empty_state prog main_decl state')
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end
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|
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|||
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