Class GetVariableOperation

java.lang.Object
org.kigalisim.lang.operation.GetVariableOperation
All Implemented Interfaces:
Operation

public class GetVariableOperation extends Object implements Operation
Operation that retrieves a variable's value from the engine.

This operation retrieves the value of a specified variable from the engine.

  • Constructor Details

    • GetVariableOperation

      public GetVariableOperation(String variableName)
      Create a new GetVariableOperation.
      Parameters:
      variableName - The name of the variable to retrieve.
  • Method Details

    • execute

      public void execute(PushDownMachine machine)
      Execute the calculation and leave the result at the top of the stack.
      Specified by:
      execute in interface Operation
      Parameters:
      machine - The machine in which to execute the calculation if needed.
    • getStaticSemantics

      public OperationStaticSemantics getStaticSemantics()
      Get a record describing this operation's semantics.

      Get a record describing this operation's semantics that are inferrable from its static expression in code. In other words, properties and effects which do not require inspection at time of executing the operation.

      Specified by:
      getStaticSemantics in interface Operation
      Returns:
      Inference of common static properties found for this operation.