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Update TODO_StateMachine.md

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This commit is contained in:
Zihan Chen
2017-11-13 02:44:02 -08:00
committed by GitHub
parent c0aafb04fe
commit 843780586f
1 changed files with 108 additions and 100 deletions
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208
TODO_StateMachine.md
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@@ -203,7 +203,7 @@ class Calculator
}
break;
}
if (<state>coroutine.Status == ::system::CoroutineStatus::Waiting)
           if (<state>coroutine.Status != ::system::CoroutineStatus::Stopped)
{
var <state>currentCoroutine = <state>coroutine;
<state>currentCoroutine.Status.Resume(true, <state>result);
@@ -236,127 +236,135 @@ class Calculator
<state>previousCoroutine = <state>coroutine;
<state>coroutine = $coroutine
{
var <state>state : <state>State = <state>startState;
while (true)
try
{
var <state>currentState = <state>state;
<state>state = ::Calculator::<state>State::<state>Invalid;
switch (<state>currentState)
var <state>state : <state>State = <state>startState;
while (true)
{
case ::Calculator::<state>State::<state>Start :
var <state>currentState = <state>state;
<state>state = ::Calculator::<state>State::<state>Invalid;
switch (<state>currentState)
{
<state>state = ::Calculator::<state>State::Calculate;
goto <state-label>OUT_OF_STATES; // goto can only jump to the end of a containing block
return;
}
case ::Calculator::<state>State::Digits :
{
$pause;
switch (<state>input)
case ::Calculator::<state>State::<state>Start :
{
case ::Calculator::<state>Input::Digit
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
var i = <statep-Digit>i;
Value = Value & i;
<state>state = ::Calculator::<state>State::Digits;
goto <state-label>OUT_OF_STATES;
}
<state>state = ::Calculator::<state>State::Calculate;
goto <state-label>OUT_OF_STATES; // goto can only jump to the end of a containing block
goto <state-label>OUT_OF_STATE_MACHINE;
}
return;
}
case ::Calculator::<state>State::Integer :
{
$pause;
switch (<state>input)
case ::Calculator::<state>State::Digits :
{
case ::Calculator::<state>Input::Digit
$pause;
switch (<state>input)
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
var i = <statep-Digit>i;
if (newNumber) // TODO: Declare the parameter
{
Value = i;
}
else
case ::Calculator::<state>Input::Digit
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
var i = <statep-Digit>i;
Value = Value & i;
<state>state = ::Calculator::<state>State::Digits;
goto <state-label>OUT_OF_STATES;
}
<state>state = ::Calculator::<state>State::Digits;
goto <state-label>OUT_OF_STATES;
}
goto <state-label>OUT_OF_STATE_MACHINE;
}
return;
}
case ::Calculator::<state>State::Number :
{
// TODO: Pass the parameter (true)
<state>CreateCoroutine(::Calculator::<state>State::Integer);
$pause;
$pause;
switch (<state>input)
case ::Calculator::<state>State::Integer :
{
case ::Calculator::<state>::Input::Dot:
$pause;
switch (<state>input)
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Value = Value & ".";
}
default:
{
return; // pass_and_return
case ::Calculator::<state>Input::Digit
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
var i = <statep-Digit>i;
if (newNumber) // TODO: Declare the parameter
{
Value = i;
}
else
{
Value = Value & i;
}
<state>state = ::Calculator::<state>State::Digits;
goto <state-label>OUT_OF_STATES;
}
}
goto <state-label>OUT_OF_STATE_MACHINE;
}
// TODO: Pass the parameter (false)
<state>CreateCoroutine(::Calculator::<state>State::Integer);
$pause;
}
case ::Calculator::<state>State::Calculate :
{
<state>CreateCoroutine(::Calculator::<state>State::Number);
$pause;
$pause;
switch (<state>input)
case ::Calculator::<state>State::Number :
{
case ::Calculator::<state>::Input::Add:
// TODO: Pass the parameter (true)
<state>CreateCoroutine(::Calculator::<state>State::Integer);
$pause;
$pause;
switch (<state>input)
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Calculate(); op = "+";
}
case ::Calculator::<state>::Input::Mul:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Calculate(); op = "*";
}
case ::Calculator::<state>::Input::Equal:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Calculate(); op = "=";
}
case ::Calculator::<state>::Input::Clear:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
valueFirst = "";
op = "";
Value = "0";
}
case ::Calculator::<state>::Input::Digit:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
raise "Calculator::Digit cannot be called at this moment.";
}
case ::Calculator::<state>::Input::Dot:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
raise "Calculator::Dot cannot be called at this moment.";
case ::Calculator::<state>::Input::Dot:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Value = Value & ".";
}
default:
{
goto <state-label>OUT_OF_STATE_MACHINE; // pass_and_return
}
}
// TODO: Pass the parameter (false)
<state>CreateCoroutine(::Calculator::<state>State::Integer);
$pause;
}
case ::Calculator::<state>State::Calculate :
{
<state>CreateCoroutine(::Calculator::<state>State::Number);
$pause;
$pause;
switch (<state>input)
{
case ::Calculator::<state>::Input::Add:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Calculate(); op = "+";
}
case ::Calculator::<state>::Input::Mul:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Calculate(); op = "*";
}
case ::Calculator::<state>::Input::Equal:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
Calculate(); op = "=";
}
case ::Calculator::<state>::Input::Clear:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
valueFirst = "";
op = "";
Value = "0";
}
case ::Calculator::<state>::Input::Digit:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
raise "Calculator::Digit cannot be called at this moment.";
}
case ::Calculator::<state>::Input::Dot:
{
<state>input = ::Calculator::<state>Input::<state>Invalid;
raise "Calculator::Dot cannot be called at this moment.";
}
}
<state>state = ::Calculator::<state>State::Calculate;
goto <state-label>OUT_OF_STATES;
goto <state-label>OUT_OF_STATE_MACHINE;
}
<state>state = ::Calculator::<state>State::Calculate;
goto <state-label>OUT_OF_STATES;
return;
}
<state-label>OUT_OF_CURRENT_STATE:; // label can only appear at the end of a block statement
}
        <state-label>OUT_OF_STATES:; // label can only appear at the end of a block statement
<state-label>OUT_OF_STATE_MACHINE:;
}
finally
{
<state>coroutine = <state>previousCoroutine;
}
};
}