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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.TextTester

TextTester
public class TextTester extends Visitor (Code)
Visitor to identify text-only productions. A production is text-only if it does not define a semantic value beyond declaring a string value and references only other text-only productions (if any). Notably, a text-only production may not contain parser actions, semantic actions that reference CodeGenerator.VALUE , or bindings to CodeGenerator.VALUE . Note that this visitor only detects such productions but does not add appropriate value elements.
See Also:   Transformer
author:
   Robert Grimm
version:
   $Revision: 1.41 $


Field Summary
final protected  Analyzeranalyzer
     The analyzer utility.
protected  booleanisTextOnly
     Flag for whether the current production is text-only.
final protected  Runtimeruntime
     The runtime.

Constructor Summary
public  TextTester(Runtime runtime, Analyzer analyzer)
     Create a new text tester.

Method Summary
public static  voidmarkTextOnly(Production p, boolean verbose)
     Mark the specified production as text-only.
public  voidvisit(Grammar g)
     Visit the specified grammar.
public  voidvisit(Module m)
     Visit the specified grammar.
public  voidvisit(Production p)
     Visit the specified production.
public  voidvisit(OrderedChoice c)
     Visit the specified ordered choice.
public  voidvisit(Sequence s)
     Visit the specified sequence.
public  voidvisit(SemanticPredicate p)
     Visit the specified semantic predicate.
public  voidvisit(Binding b)
     Visit the specified binding.
public  voidvisit(NonTerminal nt)
     Visit the specified nonterminal.
public  voidvisit(CharCase c)
     Visit the specified character case.
public  voidvisit(CharSwitch s)
     Visit the specified character switch.
public  voidvisit(Terminal t)
     Visit the specified terminal.
public  voidvisit(UnaryOperator op)
     Visit the specified unary operator.
public  voidvisit(NullLiteral l)
     Visit the specified null literal.
public  voidvisit(NodeMarker m)
     Visit the specified node marker.
public  voidvisit(Action a)
     Visit the specified action.
public  voidvisit(ParserAction pa)
     Visit the specified parser action.
public  voidvisit(Element e)
     Visit the specified element.

Field Detail
analyzer
final protected Analyzer analyzer(Code)
The analyzer utility.



isTextOnly
protected boolean isTextOnly(Code)
Flag for whether the current production is text-only.



runtime
final protected Runtime runtime(Code)
The runtime.




Constructor Detail
TextTester
public TextTester(Runtime runtime, Analyzer analyzer)(Code)
Create a new text tester.
Parameters:
  runtime - The runtime.
Parameters:
  analyzer - The analyzer utility.




Method Detail
markTextOnly
public static void markTextOnly(Production p, boolean verbose)(Code)
Mark the specified production as text-only.
Parameters:
  p - The production.
Parameters:
  verbose - The flag for whether to be verbose.



visit
public void visit(Grammar g)(Code)
Visit the specified grammar.



visit
public void visit(Module m)(Code)
Visit the specified grammar.



visit
public void visit(Production p)(Code)
Visit the specified production.



visit
public void visit(OrderedChoice c)(Code)
Visit the specified ordered choice.



visit
public void visit(Sequence s)(Code)
Visit the specified sequence.



visit
public void visit(SemanticPredicate p)(Code)
Visit the specified semantic predicate.



visit
public void visit(Binding b)(Code)
Visit the specified binding.



visit
public void visit(NonTerminal nt)(Code)
Visit the specified nonterminal.



visit
public void visit(CharCase c)(Code)
Visit the specified character case.



visit
public void visit(CharSwitch s)(Code)
Visit the specified character switch.



visit
public void visit(Terminal t)(Code)
Visit the specified terminal.



visit
public void visit(UnaryOperator op)(Code)
Visit the specified unary operator. This method provides the default implementation for repetitions, options, syntactic predicates, voided elements, and string matches.



visit
public void visit(NullLiteral l)(Code)
Visit the specified null literal.



visit
public void visit(NodeMarker m)(Code)
Visit the specified node marker.



visit
public void visit(Action a)(Code)
Visit the specified action.



visit
public void visit(ParserAction pa)(Code)
Visit the specified parser action.



visit
public void visit(Element e)(Code)
Visit the specified element. This method provides the default implementation for parse tree nodes and value elements.



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)

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