com.rychlik.calculator
Interface StackMachine.Instruction

All Known Implementing Classes:

StackMachine.Assign, StackMachine.Branch, StackMachine.Call, StackMachine.DumpStack, StackMachine.GoTo, StackMachine.MathFunction, StackMachine.Pop, StackMachine.PopPrint, StackMachine.Print, StackMachine.PushAddress, StackMachine.PushConstant, StackMachine.PushVariable, StackMachine.Return, StackMachine.Stop

Enclosing interface:

StackMachine

public static interface StackMachine.Instruction

Describe interface Instruction here.

Method Summary

int	arity() Describe arity method here.
void	execute() Describe execute method here.
void	write(java.io.PrintStream out) Describe write method here.

Method Detail

execute

public void execute()
             throws ParseException

Describe execute method here.

Throws:

ParseException - if an error occurs

arity

public int arity()

Describe arity method here.

Returns:

an int value

write

public void write(java.io.PrintStream out)

Describe write method here.

Parameters:

out - a PrintStream value