Java Doc for EquivalenceTester.java in  » Parser » Rats-Parser-Generators » xtc » parser » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Parser » Rats Parser Generators » xtc.parser   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    xtc.tree.Visitor       xtc.parser.EquivalenceTester EquivalenceTester public class EquivalenceTester extends Visitor (Code) Visitor to test productions and elements for equivalence. This visitor tests whether two productions or two elements are structurally the same, modulo using different variable names and having different nonterminals (for productions). It should only be invoked through the EquivalenceTester.areEquivalent(Production,Production) and EquivalenceTester.areEquivalent(Element,Element) methods. author:    Robert Grimm version:    $Revision: 1.36 $ Field Summary protected  Element e2      The element to compare to. protected  Map<String, String> nts      The mapping between equivalent nonterminals. protected  Map<String, String> vars      The mapping between equivalent variables. Constructor Summary public   EquivalenceTester()      Create a new equivalence tester. Method Summary public  boolean areEquivalent(Production p1, Production p2)      Determine whether the specified productions are equivalent. Parameters:   p1 - The first production. Parameters:   p2 - The second production. public  boolean areEquivalent(Element e1, Element e2)      Determine whether the specified elements are equivalent. Parameters:   e1 - The first element. Parameters:   e2 - The second element. protected  boolean areEquivalent(List<Binding> l1, List<Binding> l2)      Determine whether the specified lists of bindings are equivalent. Parameters:   l1 - The first list. Parameters:   l2 - The second list. protected  boolean areEquivalent(GenericValue v1, GenericValue v2)      Determine whether the specified generic values are equivalent. Parameters:   v1 - The first value. Parameters:   v2 - The second value. public  Boolean visit(OrderedChoice c1)      Visit the specified ordered choice. public  Boolean visit(Repetition r1)      Visit the specified repetition. public  Boolean visit(Sequence s1)      Visit the specified sequence. public  Boolean visit(Binding b1)      Visit the specified binding. public  Boolean visit(StringMatch m1)      Visit the specified string match. public  Boolean visit(NonTerminal nt1)      Visit the specified nonterminal. public  Boolean visit(CharSwitch s1)      Visit the specified character switch. public  Boolean visit(ParseTreeNode n1)      Visit the specified parse tree node. public  Boolean visit(ProperListValue v1)      Visit the specified proper list value. public  Boolean visit(BindingValue v1)      Visit the specified binding value. public  Boolean visit(ActionBaseValue v1)      Visit the specified action base value. public  Boolean visit(GenericNodeValue v1)      Visit the specified generic node value. public  Boolean visit(GenericActionValue v1)      Visit the specified generic action value. public  Boolean visit(GenericRecursionValue v1)      Visit the specified generic recursion value. public  Boolean visit(UnaryOperator op1)      Visit the specified unary operator. public  Boolean visit(Element e1)      Visit the specified element. Field Detail e2 protected Element e2(Code) The element to compare to. nts protected Map<String, String> nts(Code) The mapping between equivalent nonterminals. vars protected Map<String, String> vars(Code) The mapping between equivalent variables. Constructor Detail EquivalenceTester public EquivalenceTester()(Code) Create a new equivalence tester. Method Detail areEquivalent public boolean areEquivalent(Production p1, Production p2)(Code) Determine whether the specified productions are equivalent. Parameters:   p1 - The first production. Parameters:   p2 - The second production. true if the two productions are equivalent. areEquivalent public boolean areEquivalent(Element e1, Element e2)(Code) Determine whether the specified elements are equivalent. Parameters:   e1 - The first element. Parameters:   e2 - The second element. true if the two elements are equivalent. areEquivalent protected boolean areEquivalent(List<Binding> l1, List<Binding> l2)(Code) Determine whether the specified lists of bindings are equivalent. Parameters:   l1 - The first list. Parameters:   l2 - The second list. true if the two lists are equivalent. areEquivalent protected boolean areEquivalent(GenericValue v1, GenericValue v2)(Code) Determine whether the specified generic values are equivalent. Parameters:   v1 - The first value. Parameters:   v2 - The second value. true if the two values are equivalent. visit public Boolean visit(OrderedChoice c1)(Code) Visit the specified ordered choice. visit public Boolean visit(Repetition r1)(Code) Visit the specified repetition. visit public Boolean visit(Sequence s1)(Code) Visit the specified sequence. visit public Boolean visit(Binding b1)(Code) Visit the specified binding. visit public Boolean visit(StringMatch m1)(Code) Visit the specified string match. visit public Boolean visit(NonTerminal nt1)(Code) Visit the specified nonterminal. visit public Boolean visit(CharSwitch s1)(Code) Visit the specified character switch. visit public Boolean visit(ParseTreeNode n1)(Code) Visit the specified parse tree node. visit public Boolean visit(ProperListValue v1)(Code) Visit the specified proper list value. visit public Boolean visit(BindingValue v1)(Code) Visit the specified binding value. visit public Boolean visit(ActionBaseValue v1)(Code) Visit the specified action base value. visit public Boolean visit(GenericNodeValue v1)(Code) Visit the specified generic node value. visit public Boolean visit(GenericActionValue v1)(Code) Visit the specified generic action value. visit public Boolean visit(GenericRecursionValue v1)(Code) Visit the specified generic recursion value. visit public Boolean visit(UnaryOperator op1)(Code) Visit the specified unary operator. This method provides the default implementation for options, predicates, voided elements, and parser actions. visit public Boolean visit(Element e1)(Code) Visit the specified element. This method provides the default implementation for terminals, node markers, null literals, actions, and null, string, text, empty list, generic string, and generic text values. Methods inherited from xtc.tree.Visitor public Object dispatch(Node node)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)