Package weka.core.expressionlanguage.core

Interface Macro

All Known Implementing Classes:
IfElseMacro, InstancesHelper, JavaMacro
public interface Macro
Interface for compile time macros to enable meta programming

Because macros have direct access to the AST (abstract syntax tree) they can rewrite it as they please.
Version:
$Revision: 1000 $
Author:
Benjamin Weber ( benweber at student dot ethz dot ch )

  • Method Summary

    Modifier and Type
    Method
    Description
    Node
    evaluate(Node... nodes)
    Applies a macro to a set of parameter nodes.

  • Method Details

    • evaluate

      Node evaluate(Node... nodes) throws SemanticException
      Applies a macro to a set of parameter nodes.
      Parameters:
      nodes - the nodes this macro should be applied to
      Returns:
      an AST node returned by the macro
      Throws:
      SemanticException