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Question: Are declarations with the same name allowed?

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Declarations

Within State Scopes there can be declarations of variables (and signals)?.

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VariableDefinition:
{VariableDefinition} direction=VarDirection? (isStatic?='static')? name=ID ':' type=[types::Type|FQN] name=ID ('=' varInitialValue=Expression)? ('with' varCombineOperator=CombineOperator)?;

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Signals

4 views to implement signals:

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 advantagedisadvantage
Don't use signals
  • no need to be implemented
  • no signals
Boolean variables as signals
  • implementation in a short time
  • a short form declaration:

    in I instead of in I:boolean

  • a short form of use:
    I / O instead of [I==true] / O = false
  • no more possible to use of Boolean variables
Yakindu events as signals
  • use of already implemented features
  • differ between Signals and Boolean Variables

Declaration: in signal I;

  • signals are implemented as events
  • Question: How to mix Signals and variables?
New declaration type
  • differ between Signals and Boolean Variables

Declaration: in signal I;

  • expensive

 

State Reactions

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Entry

is an Effect.

EntryAction returns sgraph::Effect:
{EntryAction} 'Entry' ' : ''/' effect=ReactionEffect ';';

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InsideAction returns sgraph::Effect:
{InsideAction} 'Inside' ':'  '/' effect=ReactionEffect ';';

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ExitAction returns sgraph::Effect:
{ExitAction} 'Exit' ':'  '/' effect=ReactionEffect ';';

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Suspend returns sgraph::Trigger:
{Suspend} 'Suspend' ':' trigger trigger=ReactionTrigger ';';


Transition

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