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Update TODO_StateMachine.md

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This commit is contained in:
Zihan Chen
2017-11-11 04:19:02 -08:00
committed by GitHub
parent 386d764209
commit 70d444b2e8
1 changed files with 43 additions and 74 deletions
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TODO_StateMachine.md
+43 -74
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@@ -171,7 +171,7 @@ class Calculator
<state>Start = 0,
Digit = 1,
Integer = 2,
Numver = 3,
Number = 3,
Calculate = 4,
}
@@ -185,88 +185,57 @@ class Calculator
var <statep-Digit>i: int = 0;
[cpp:Private]
void <state>Resume(): void
func <state>Resume(): void
{
}
void Digit(i: int): void { <state>input = ::Calculator::<state>Input::Digit; <statep-Digit>i = i; <state>Resume(); }
void Dot(): void { <state>input = ::Calculator::<state>Input::Dot; <state>Resume(); }
void Add(): void { <state>input = ::Calculator::<state>Input::Add; <state>Resume(); }
void Mul(): void { <state>input = ::Calculator::<state>Input::Mul; <state>Resume(); }
void Equal(): void { <state>input = ::Calculator::<state>Input::Equal; <state>Resume(); }
void Clear(): void { <state>input = ::Calculator::<state>Input::Clear; <state>Resume(); }
func Digit(i: int): void { <state>input = ::Calculator::<state>Input::Digit; <statep-Digit>i = i; <state>Resume(); }
func Dot(): void { <state>input = ::Calculator::<state>Input::Dot; <state>Resume(); }
func Add(): void { <state>input = ::Calculator::<state>Input::Add; <state>Resume(); }
func Mul(): void { <state>input = ::Calculator::<state>Input::Mul; <state>Resume(); }
func Equal(): void { <state>input = ::Calculator::<state>Input::Equal; <state>Resume(); }
func Clear(): void { <state>input = ::Calculator::<state>Input::Clear; <state>Resume(); }
void RunStateMachine(): void
[cpp:Private]
func <state>CreateCoroutine(<state>startState: <state>State): void
{
<state>previousCoroutine = <state>coroutine;
<state>coroutine = $coroutine
{
var <state>state : <state>State = <state>startState;
while (true)
{
switch (<state>state)
{
case ::Calculator::<state>State::<state>Start :
{
}
case ::Calculator::<state>State::Digit :
{
}
case ::Calculator::<state>State::Integer :
{
}
case ::Calculator::<state>State::Number :
{
}
case ::Calculator::<state>State::Calculate :
{
}
}
}
};
}
$state_machine
func RunStateMachine(): void
{
$state Digits()
if (<state>coroutine is not null)
{
$switch(pass)
{
case Digit(i)
{
Value = Value & i;
$goto_state Digits();
}
}
}
$state Integer(newNumber: bool)
{
$switch(pass)
{
case Digit(i)
{
if (newNumber)
{
Value = i;
}
else
{
Value = Value & i;
}
$goto_state Digits();
}
}
}
$state Number()
{
$push_state Integer(true);
$switch(pass_and_return)
{
case Dot()
{
Value = Value & ".";
}
}
$push_state Integer(false);
}
$state Calculate()
{
$push_state Number();
$switch
{
case Add(): {Calculate(); op = "+";}
case Mul(): {Calculate(); op = "-";}
case Equal(): {Calculate(); op = "=";}
case Clear():
{
valueFirst = "";
op = "";
Value = "0";
}
}
}
$state
{
$goto_state Calculate();
raise "RunStateMachine() cannot be called while the state machine is running.";
}
<state>CreateCoroutine(:Calculator::<state>State::<state>Start);
<state>Resume();
}
}
```