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module Tonkadur.Execute exposing (execute)
-- Elm -------------------------------------------------------------------------
import List
-- Tonkadur --------------------------------------------------------------------
import Tonkadur.Types
import Tonkadur.Compute
--------------------------------------------------------------------------------
-- TYPES -----------------------------------------------------------------------
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- LOCAL -----------------------------------------------------------------------
--------------------------------------------------------------------------------
increment_program_counter : Tonkadur.Types.State -> Tonkadur.Types.State
increment_program_counter state =
{state | program_counter = program_counter + 1}
---- 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 =
(Tonkadur.Types.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 =
{state |
memorized_target = (Tonkadur.Compute.compute state address),
last_instruction_effect =
(PromptCommand
(Tonkadur.Compute.compute state min)
(Tonkadur.Compute.compute state max)
(Tonkadur.Compute.compute state label)
)
}
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 =
{state |
memorized_target = (Tonkadur.Compute.compute state address),
last_instruction_effect =
(PromptInteger
(Tonkadur.Compute.compute state min)
(Tonkadur.Compute.compute state max)
(Tonkadur.Compute.compute state label)
)
}
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 =
{state |
memorized_target = (Tonkadur.Compute.compute state address),
last_instruction_effect =
(PromptString
(Tonkadur.Compute.compute state min)
(Tonkadur.Compute.compute state max)
(Tonkadur.Compute.compute state label)
)
}
remove : (
Tonkadur.Types.Computation ->
Tonkadur.Types.State ->
Tonkadur.Types.State
)
remove address state =
{state |
memory =
(Tonkadur.Types.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 =
{state | last_instruction_effect = PromptChoice}
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 =
(Tonkadur.Types.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 =
(Tonkadur.Types.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 =
let new_state = {state | last_instruction_effect = Continue} in
case instruction of
(AddEventOption name parameters) ->
(increment_program_counter
(add_event_option name parameters new_state)
)
(AddTextOption label) ->
(increment_program_counter
(add_text_option name parameters new_state)
)
(Assert condition label) ->
(increment_program_counter
(assert condition label new_state)
)
(Display label) ->
(increment_program_counter (display label new_state))
End -> (end new_state)
(ExtraInstruction name parameters) ->
(extra_instruction name parameters new_state)
(Initialize type_name address) ->
(increment_program_counter
(initialize type_name address new_state)
)
(PromptCommand address min max label) ->
(increment_program_counter
(prompt_command address min max label new_state)
)
(PromptInteger address min max label) ->
(increment_program_counter
(prompt_integer address min max label new_state)
)
(PromptString address min max label) ->
(increment_program_counter
(prompt_string address min max label new_state)
)
(Remove address) -> (increment_program_counter (remove address new_state))
ResolveChoice -> (increment_program_counter (resolve_choice new_state))
(SetPC value) -> (set_pc value new_state)
(SetRandom address min max) ->
(increment_program_counter (set_random address min max new_state))
(Set address value) ->
(increment_program_counter (set address value new_state))
|
