/*
 * Renjin : JVM-based interpreter for the R language for the statistical analysis
 * Copyright Â© 2010-2019 BeDataDriven Groep B.V. and contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, a copy is available at
 * https://www.gnu.org/licenses/gpl-2.0.txt
 */
package org.renjin.gcc.codegen.expr;

import org.renjin.gcc.codegen.MethodGenerator;
import org.renjin.repackaged.asm.Type;

import javax.annotation.Nonnull;

/**
 * Generator for "simple" expressions that are represented by a single JVM value or reference.
 */
public interface JExpr {

  /**
   * 
   * @return the type of this expression, when pushed onto the stack
   */
  @Nonnull
  Type getType();

  /**
   * Loads this expression onto the stack.
   * 
   */
  void load(@Nonnull MethodGenerator mv);
}
