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org.hibernate.hql.ast
Class HqlParser  

java.lang.Object
  HqlBaseParser
      org.hibernate.hql.ast.HqlParser

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public final class HqlParser

extends HqlBaseParser

Implements the semantic action methods defined in the HQL base parser to keep the grammar source file a little cleaner. Extends the parser class generated by ANTLR.

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Field Summary
private static org.apache.commons.logging.Log	log           A logger for this class.
private  ParseErrorHandler	parseErrorHandler
private  org.hibernate.hql.ast.util.ASTPrinter	printer

 

Constructor Summary
private	HqlParser(antlr.TokenStream lexer)

 

Method Summary
private  antlr.collections.AST	createIsNullParent(antlr.collections.AST node, boolean negated)
private  antlr.collections.AST	createSubquery(antlr.collections.AST node)
private static org.hibernate.hql.ast.util.ASTPrinter	getASTPrinter()
static HqlParser	getInstance(java.lang.String hql)
ParseErrorHandler	getParseErrorHandler()
void	handleDotIdent()
antlr.collections.AST	handleIdentifierError(antlr.Token token, antlr.RecognitionException ex)           Overrides the base behavior to retry keywords as identifiers.
private  void	initialize()
antlr.collections.AST	negateNode(antlr.collections.AST x)           Returns an equivalent tree for (NOT (a relop b) ), for example:
static void	panic()
antlr.collections.AST	processEqualityExpression(antlr.collections.AST x)           Post process equality expressions, clean up the subtree.
private  antlr.collections.AST	processIsEmpty(antlr.collections.AST node, boolean negated)
void	processMemberOf(antlr.Token n, antlr.collections.AST p, antlr.ASTPair currentAST)
void	reportError(antlr.RecognitionException e)
void	reportError(java.lang.String s)
void	reportWarning(java.lang.String s)
void	showAst(antlr.collections.AST ast, java.io.PrintStream out)
private  void	showAst(antlr.collections.AST ast, java.io.PrintWriter pw)
void	weakKeywords()

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

log

private static final org.apache.commons.logging.Log log

A logger for this class.

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parseErrorHandler

private ParseErrorHandler parseErrorHandler

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printer

private org.hibernate.hql.ast.util.ASTPrinter printer

Constructor Detail

HqlParser

private HqlParser(antlr.TokenStream lexer)

Method Detail

getASTPrinter

private static org.hibernate.hql.ast.util.ASTPrinter getASTPrinter()

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getInstance

public static HqlParser getInstance(java.lang.String hql)

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reportError

public void reportError(antlr.RecognitionException e)

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reportError

public void reportError(java.lang.String s)

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reportWarning

public void reportWarning(java.lang.String s)

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getParseErrorHandler

public ParseErrorHandler getParseErrorHandler()

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handleIdentifierError

public antlr.collections.AST handleIdentifierError(antlr.Token token,
                                                   antlr.RecognitionException ex)
                                            throws antlr.RecognitionException,
                                                   antlr.TokenStreamException

Overrides the base behavior to retry keywords as identifiers.

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negateNode

public antlr.collections.AST negateNode(antlr.collections.AST x)

Returns an equivalent tree for (NOT (a relop b) ), for example:

 (NOT (GT a b) ) => (LE a b)
 

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processEqualityExpression

public antlr.collections.AST processEqualityExpression(antlr.collections.AST x)

Post process equality expressions, clean up the subtree.

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createIsNullParent

private antlr.collections.AST createIsNullParent(antlr.collections.AST node,
                                                 boolean negated)

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processIsEmpty

private antlr.collections.AST processIsEmpty(antlr.collections.AST node,
                                             boolean negated)

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createSubquery

private antlr.collections.AST createSubquery(antlr.collections.AST node)

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showAst

public void showAst(antlr.collections.AST ast,
                    java.io.PrintStream out)

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showAst

private void showAst(antlr.collections.AST ast,
                     java.io.PrintWriter pw)

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initialize

private void initialize()

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weakKeywords

public void weakKeywords()
                  throws antlr.TokenStreamException

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handleDotIdent

public void handleDotIdent()
                    throws antlr.TokenStreamException

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processMemberOf

public void processMemberOf(antlr.Token n,
                            antlr.collections.AST p,
                            antlr.ASTPair currentAST)

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panic

public static void panic()

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