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[mir.git] / source / mir / generator / tal / interfaces / TALExpressionParser.java

diff --git a/source/mir/generator/tal/interfaces/TALExpressionParser.java b/source/mir/generator/tal/interfaces/TALExpressionParser.java
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+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with  any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two.  You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries.  If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+
+package mir.generator.tal.interfaces;
+
+import java.util.Iterator;
+
+public interface TALExpressionParser {
+  public Object preparseExpression(String anExpression);
+  public Object preparseStringExpression(String anExpression);
+  public Object preparseBooleanExpression(String anExpression);
+  public Object preparseReferenceExpression(String anExpression);
+  public Object preparseListExpression(String anExpression);
+  public Object preparseTRUE();
+  public Object preparseFALSE();
+
+  public Object evaluateExpression(Object aContext, Object aPreparsedExpression);
+  public String evaluateStringExpression(Object aContext, Object aPreparsedExpression);
+  public boolean evaluateBooleanExpression(Object aContext, Object aPreparsedExpression);
+  public Iterator evaluateListExpression(Object aContext, Object aPreparsedExpression);
+  public void processAssignment(Object aContext, Object aPreparsedReferenceExpression, Object aPreparsedExpression);
+
+  /**
+   * process a direct assignment of an object to a preparsed reference expression
+   *
+   */
+  public void processDirectAssignment(Object aContext, Object aPreparsedReferenceExpression, Object aValue);
+
+  /**
+   * process an assigment to a pseudo variable. The pseudo variable will have a java
+   *   identifier-like name.
+   *
+   */
+  public void processPseudoAssignment(Object aContext, String aName, Object aValue);
+
+  /**
+   * Retrieve the value of a pseudo variable
+   *
+   */
+  public Object evaluatePseudoVariable(Object aContext, String aName);
+
+}
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