Java Doc for MetaDataSetter.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.MetaDataSetter MetaDataSetter public class MetaDataSetter extends Visitor (Code) Visitor to fill in the production meta-data. Note that this visitor requires that a grammar's Properties.GENERIC and Properties.RECURSIVE have been appropriately set. Also note that this visitor does not create meta-data records; they must be created with the MetaDataCreator meta-data creator before applying this visitor. Further note that this visitor does not determine usage and self counts, as they need to be (repeatedly) determined during DeadProductionEliminator deadproduction elimination . Finally, note that this visitor assumes that the entire grammar is contained in a single module. author:    Robert Grimm version:    $Revision: 1.56 $ Field Summary final public static  Pattern IMPORT      The regular expression for matching import declarations. final protected  Analyzer analyzer      The analyzer utility. final protected  AST ast      The type operations. protected  List<Type> boundRepetitions      The structure of bound repetitions. protected  boolean createsNodeValue      Flag for whether the current production may create a node value. protected  boolean hasParseTree      Flag for whether the grammar has the Constants.ATT_PARSE_TREE parseTree attribute. protected  boolean isBound      Flag for whether the next element is bound. protected  boolean isFirstElement      Flag for whether the current element is the first element of a sequence. protected  boolean isLastInPredicate      Flag for whether the current element is the last element in a predicate. protected  boolean isNotFollowedBy      Flag for whether we are analyzing a not-followed-by predicate. protected  boolean isOptional      Flag for whether the current sequence is optional. protected  boolean isPredicate      Flag for whether we are analyzing a predicate. protected  boolean isRepeated      Flag for whether the current sequence is repeated. protected  boolean isTopLevel      Flag for whether the current element is the top-level element of a production. protected  int optionLevel      The current nesting level for options. protected  List<Type> options      The structure of options. protected  int repetitionLevel      The current nesting level for repetitions. protected  List<Boolean> repetitions      The structure of repetitions. protected  boolean requiresBaseIndex      Flag for whether a production requires a base index variable. protected  boolean requiresChar      Flag for whether a production requires a character variable. protected  boolean requiresIndex      Flag for whether a production requires an index variable. protected  boolean requiresLocatable      Flag for whether the grammar requires xtc.tree.Locatable . protected  boolean requiresPredIndex      Flag for whether a production requires a predicate index variable. protected  boolean requiresPredMatch      Flag for whether a production requires a predicate matched variable. protected  boolean requiresPredResult      Flag for whether a production requires a predicate result variable. protected  boolean requiresResult      Flag for whether a production requires a result variable. final protected  Runtime runtime      The runtime. protected  boolean withLocation      Flag for whether the grammar has the Constants.ATT_WITH_LOCATION withLocation attribute. Constructor Summary public   MetaDataSetter(Runtime runtime, Analyzer analyzer, AST ast)      Create a new meta-data setter. Method Summary protected  boolean hasDirectLocation()      Determine whether the current production can annotate a node with its location relative to CodeGenerator.VALUE . protected  void importType(String name)      Import the specified fully qualified type. protected  boolean isNotFollowedBy()      Determine whether we are processing a not-followed-by predicate. public  void visit(Module m)      Analyze the specified grammar. public  void visit(Production p)      Analyze the specified production. public  void visit(OrderedChoice c)      Analyze the specified ordered choice. public  void visit(Repetition r)      Analyze the specified repetition. public  void visit(Option o)      Analyze the specified option. public  void visit(Sequence s)      Analyze the specified sequence. public  void visit(FollowedBy p)      Analyze the specified followed-by predicate. public  void visit(NotFollowedBy p)      Analyze the specified not-followed-by predicate. public  void visit(SemanticPredicate p)      Analyze the specified semantic predicate. public  void visit(VoidedElement v)      Analyze the specified voided element. public  void visit(Binding b)      Analyze the specified binding. public  void visit(StringMatch m)      Analyze the specified string match. public  void visit(NonTerminal nt)      Analyze the specified nonterminal. public  void visit(AnyChar a)      Analyze the specified any character element. public  void visit(StringLiteral l)      Analyze the specified string literal. public  void visit(CharCase c)      Analyze the specified character case. public  void visit(CharSwitch s)      Analyzer the specified character switch. public  void visit(Terminal t)      Analyze the specified terminal. public  void visit(Action a)      Analyze the specified action. public  void visit(ParserAction pa)      Analyze the specified parser action. public  void visit(TokenValue v)      Analyze the specified token value. public  void visit(ActionBaseValue v)      Analyze the specified action base value. public  void visit(GenericValue v)      Analyze the specified generic value. public  void visit(GenericActionValue v)      Analyze the specified generic action value. public  void visit(Element e)      Analyze the specified element. Field Detail IMPORT final public static Pattern IMPORT(Code) The regular expression for matching import declarations. analyzer final protected Analyzer analyzer(Code) The analyzer utility. ast final protected AST ast(Code) The type operations. boundRepetitions protected List<Type> boundRepetitions(Code) The structure of bound repetitions. createsNodeValue protected boolean createsNodeValue(Code) Flag for whether the current production may create a node value. hasParseTree protected boolean hasParseTree(Code) Flag for whether the grammar has the Constants.ATT_PARSE_TREE parseTree attribute. isBound protected boolean isBound(Code) Flag for whether the next element is bound. isFirstElement protected boolean isFirstElement(Code) Flag for whether the current element is the first element of a sequence. isLastInPredicate protected boolean isLastInPredicate(Code) Flag for whether the current element is the last element in a predicate. isNotFollowedBy protected boolean isNotFollowedBy(Code) Flag for whether we are analyzing a not-followed-by predicate. isOptional protected boolean isOptional(Code) Flag for whether the current sequence is optional. isPredicate protected boolean isPredicate(Code) Flag for whether we are analyzing a predicate. isRepeated protected boolean isRepeated(Code) Flag for whether the current sequence is repeated. isTopLevel protected boolean isTopLevel(Code) Flag for whether the current element is the top-level element of a production. optionLevel protected int optionLevel(Code) The current nesting level for options. options protected List<Type> options(Code) The structure of options. repetitionLevel protected int repetitionLevel(Code) The current nesting level for repetitions. repetitions protected List<Boolean> repetitions(Code) The structure of repetitions. requiresBaseIndex protected boolean requiresBaseIndex(Code) Flag for whether a production requires a base index variable. requiresChar protected boolean requiresChar(Code) Flag for whether a production requires a character variable. requiresIndex protected boolean requiresIndex(Code) Flag for whether a production requires an index variable. requiresLocatable protected boolean requiresLocatable(Code) Flag for whether the grammar requires xtc.tree.Locatable . requiresPredIndex protected boolean requiresPredIndex(Code) Flag for whether a production requires a predicate index variable. requiresPredMatch protected boolean requiresPredMatch(Code) Flag for whether a production requires a predicate matched variable. requiresPredResult protected boolean requiresPredResult(Code) Flag for whether a production requires a predicate result variable. requiresResult protected boolean requiresResult(Code) Flag for whether a production requires a result variable. runtime final protected Runtime runtime(Code) The runtime. withLocation protected boolean withLocation(Code) Flag for whether the grammar has the Constants.ATT_WITH_LOCATION withLocation attribute. Constructor Detail MetaDataSetter public MetaDataSetter(Runtime runtime, Analyzer analyzer, AST ast)(Code) Create a new meta-data setter. Parameters:   runtime - The runtime. Parameters:   analyzer - The analyzer utility. Parameters:   ast - The type operations. Method Detail hasDirectLocation protected boolean hasDirectLocation()(Code) Determine whether the current production can annotate a node with its location relative to CodeGenerator.VALUE . true if the location annotation can beoptimized. importType protected void importType(String name)(Code) Import the specified fully qualified type. Parameters:   name - The type name. isNotFollowedBy protected boolean isNotFollowedBy()(Code) Determine whether we are processing a not-followed-by predicate. true if we are processing a not-followed-bypredicate. visit public void visit(Module m)(Code) Analyze the specified grammar. visit public void visit(Production p)(Code) Analyze the specified production. visit public void visit(OrderedChoice c)(Code) Analyze the specified ordered choice. visit public void visit(Repetition r)(Code) Analyze the specified repetition. visit public void visit(Option o)(Code) Analyze the specified option. visit public void visit(Sequence s)(Code) Analyze the specified sequence. visit public void visit(FollowedBy p)(Code) Analyze the specified followed-by predicate. visit public void visit(NotFollowedBy p)(Code) Analyze the specified not-followed-by predicate. visit public void visit(SemanticPredicate p)(Code) Analyze the specified semantic predicate. visit public void visit(VoidedElement v)(Code) Analyze the specified voided element. visit public void visit(Binding b)(Code) Analyze the specified binding. visit public void visit(StringMatch m)(Code) Analyze the specified string match. visit public void visit(NonTerminal nt)(Code) Analyze the specified nonterminal. visit public void visit(AnyChar a)(Code) Analyze the specified any character element. visit public void visit(StringLiteral l)(Code) Analyze the specified string literal. visit public void visit(CharCase c)(Code) Analyze the specified character case. visit public void visit(CharSwitch s)(Code) Analyzer the specified character switch. visit public void visit(Terminal t)(Code) Analyze the specified terminal. visit public void visit(Action a)(Code) Analyze the specified action. visit public void visit(ParserAction pa)(Code) Analyze the specified parser action. visit public void visit(TokenValue v)(Code) Analyze the specified token value. visit public void visit(ActionBaseValue v)(Code) Analyze the specified action base value. visit public void visit(GenericValue v)(Code) Analyze the specified generic value. visit public void visit(GenericActionValue v)(Code) Analyze the specified generic action value. Note that generic recursion values are also generic action values. visit public void visit(Element e)(Code) Analyze the specified element. This method provides the default implementation for parse tree nodes, null literals, node markers, and value elements (besides token values, action base values, and generic 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)