org.millscript.millscript.syntax
Class OrAbsentSyntax

java.lang.Object
  org.millscript.millscript.syntax.Syntax
      org.millscript.millscript.syntax.PostfixSyntax
          org.millscript.millscript.syntax.SimplePostfixSyntax
              org.millscript.millscript.syntax.OrAbsentSyntax

All Implemented Interfaces:

PostfixSyntaxInterface

public final class OrAbsentSyntax
extends SimplePostfixSyntax

This class implements || syntax.

<expr> || <expr>

The expression on the right hand side will only be executed if the left hand side returns null, e.g. it is equivalent to writing: if x == absent then y else absent endif

See Also:

OrAbsentExpr

Constructor Summary

OrAbsentSyntax()

Method Summary

OrAbsentExpr

simple(Expr lhs, Expr rhs) Returns the expression for this simple postfix syntax, which is made by combining the left and right hand side expressions.

Methods inherited from class org.millscript.millscript.syntax.SimplePostfixSyntax

postfix

Methods inherited from class org.millscript.millscript.syntax.PostfixSyntax

getPrecedence, setPrec

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OrAbsentSyntax

public OrAbsentSyntax()

Method Detail

simple

public OrAbsentExpr simple(Expr lhs,
                           Expr rhs)

Description copied from class: SimplePostfixSyntax

Returns the expression for this simple postfix syntax, which is made by combining the left and right hand side expressions.

Parameters:

lhs - the expression on the left hand side of this syntax

rhs - the expression on the right hand side of this syntax

Returns:

the expression for this syntax

See Also:

SimplePostfixSyntax.simple(org.millscript.millscript.expr.Expr, org.millscript.millscript.expr.Expr)