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module Tonkadur.Execute exposing (execute)
-- Elm -------------------------------------------------------------------------
import List
-- Tonkadur --------------------------------------------------------------------
import Tonkadur.Types
import Tonkadur.Compute
--------------------------------------------------------------------------------
-- TYPES -----------------------------------------------------------------------
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- LOCAL -----------------------------------------------------------------------
--------------------------------------------------------------------------------
---- UPDATE MEMORY -------------------------------------------------------------
apply_at_address : (
(List.List String) ->
(
String ->
(Dict.Dict String Value) ->
(Dict.Dict String Value)
)
(Dict.Dict String Value) ->
(Dict.Dict String Value)
)
apply_at_address address fun memory =
case address of
[] -> memory
(last_element :: []) -> (fun last_element memory)
(next_element :: next_address) ->
(Dict.update
next_element
(\maybe_value ->
case maybe_value of
(Just value) ->
(Just
(apply_at_address
next_address
fun
(Tonkadur.Types.value_to_dict value)
)
)
Nothing -> Nothing
)
)
---- INSTRUCTIONS --------------------------------------------------------------
add_event_option : (
String ->
(List.List Tonkadur.Types.Computation) ->
Tonkadur.Types.State ->
Tonkadur.Types.State ->
)
add_event_option name parameters state =
(Tonkadur.Types.append_option
(Event name (List.map (Tonkadur.Compute.compute state) parameters))
state
)
add_text_option : (
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
add_text_option label state =
(Tonkadur.Types.append_option
(Choice (Tonkadur.Compute.compute label state))
state
)
assert : (
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
assert condition label state =
if (Tonkadur.Types.value_to_bool (Tonkadur.Compute.compute state condition))
then
-- TODO: some special error report
state
else state
display : (
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
display label state =
-- TODO: where do we put displayed values?
state
end : Tonkadur.Types.State -> Tonkadur.Types.State
end state =
-- TODO: what do we do with this?
state
extra_instruction : (
String ->
(List.List Tonkadur.Types.Computation) ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
extra_instruction name parameters state =
-- No extra instruction supported.
-- TODO: error report.
initialize : (
String ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
initialize type_name address state =
{state |
memory =
(apply_at_address
(Tonkadur.Types.value_to_list
(Tonkadur.Compute.compute state address)
)
(\last_addr dict ->
(Dict.insert
last_addr
(Tonkadur.Types.get_default state type_name)
dict
)
)
state.memory
)
}
prompt_command : (
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
prompt_command address min max label state =
-- TODO: how to prompt for input?
state
prompt_integer : (
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
prompt_integer address min max label state =
-- TODO: how to prompt for input?
state
prompt_string : (
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
prompt_integer address min max label state =
-- TODO: how to prompt for input?
state
remove : (
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
remove address state =
{state |
memory =
(apply_at_address
(Tonkadur.Types.value_to_list
(Tonkadur.Compute.compute state address)
)
(\last_addr dict -> (Dict.remove last_addr dict))
state.memory
)
}
resolve_choice : Tonkadur.Types.State -> Tonkadur.Types.State
resolve_choice state =
-- TODO: how to prompt for input?
state
set_pc : (
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
set_pc value state =
{state |
program_counter =
(Tonkadur.Types.value_to_int
(Tonkadur.Compute.compute state value)
)
}
set_random : (
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
set_random address min max state =
let
(value, next_random_seed) =
(Random.step
(Random.int
(Tonkadur.Types.value_to_int
(Tonkadur.Compute.compute state min)
(Tonkadur.Compute.compute state max)
)
)
state.random_seed
)
in
{state |
memory =
(apply_at_address
(Tonkadur.Types.value_to_list
(Tonkadur.Compute.compute state address)
)
(\last_addr dict -> (Dict.insert last_addr (IntValue value) dict))
state.memory
),
random_seed = next_random_seed
}
set : (
Tonkadur.Types.Computation ->
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
set address value state =
{state |
memory =
(apply_at_address
(Tonkadur.Types.value_to_list
(Tonkadur.Compute.compute state address)
)
(\last_addr dict ->
(Dict.insert
last_addr
(Tonkadur.Compute.compute state value)
dict
)
)
state.memory
)
}
--------------------------------------------------------------------------------
-- EXPORTED --------------------------------------------------------------------
--------------------------------------------------------------------------------
execute : (
Tonkadur.Types.Instruction ->
Tonkadur.Types.State ->
Tonkadur.Types.State ->
)
execute instruction state =
case instruction of
(AddEventOption name parameters) ->
(add_event_option name parameters state)
(AddTextOption label) ->
(add_text_option name parameters state)
(Assert condition label) ->
(assert condition label state)
(Display label) -> (display label state)
End -> (end state)
(ExtraInstruction name parameters) ->
(extra_instruction name parameters state)
(Initialize type_name address) -> (initialize type_name address state)
(PromptCommand address min max label) ->
(prompt_command address min max label state)
(PromptInteger address min max label) ->
(prompt_integer address min max label state)
(PromptString address min max label) ->
(prompt_string address min max label state)
(Remove address) -> (remove address state)
ResolveChoice -> (resolve_choice state)
(SetPC value) -> (set_pc value state)
(SetRandom address min max) -> (set_random address min max state)
(Set address value) -> (set address value state)
|
