Module com.maroontress.intexpr
Package com.maroontress.intexpr.impl

Interface PendedOperator

public interface PendedOperator
This interface represents the operator wrapper temporally created while the Compiler creates the list of Instruction objects in Reverse Polish notation.
See Also:

  • Method Details

    • toOperator

      Optional<Operator> toOperator()
      Returns the operator that this wraps if this is not a left parenthesis, otherwise Optional.empty().
      Returns:
      The operator that this wraps or Optional.empty().

    • comparePrecedence

      int comparePrecedence(Operator that)
      Compares the precedences of this and the specified operator.
      Parameters:
      that - The operator to compare the precedence of.
      Returns:
      A negative integer, zero, or a positive integer as the precedence of this is less than, equal to, or greater than one of that.

    • getToken

      com.maroontress.clione.Token getToken()
      Returns the token if this is a left parenthesis or throws IllegalStateException otherwise.
      Returns:
      The token.

    • newLeftParen

      static PendedOperator newLeftParen(com.maroontress.clione.Token token)
      Returns a new PendedOperator object that represents a left parenthesis.
      Parameters:
      token - The token representing a left parenthesis.
      Returns:
      The new PendedOperator object.

    • of

      static PendedOperator of(Operator operator)
      Returns a new PendedOperator object that represents the specified operator.
      Parameters:
      operator - The operator to wrap.
      Returns:
      The new PendedOperator object.