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## Package org.hibernate.hql.internal.ast

An ANTLR-based parser for Hibernate Query Language.

See:
Description

Interface Summary
ErrorReporter | Implementations will report or handle errors invoked by an ANTLR base parser.
ParseErrorHandler | Defines the behavior of an error handler for the HQL parsers.
TypeDiscriminatorMetadata | Essentially a wrapper around a `DiscriminatorMetadata` and the proper sql alias to use.

Class Summary
ASTQueryTranslatorFactory | Generates translators which uses the Antlr-based parser to perform the translation.
ErrorCounter | An error handler that counts parsing errors and warnings.
HqlASTFactory | User: Joshua Davis Date: Sep 23, 2005 Time: 12:30:01 PM
HqlParser | Implements the semantic action methods defined in the HQL base parser to keep the grammar source file a little cleaner.
HqlSqlWalker | Implements methods used by the HQL->SQL tree transform grammar (a.k.a.
HqlToken | A custom token class for the HQL grammar.
ParameterTranslationsImpl | Defines the information available for parameters encountered during query translation through the antlr-based parser.
ParameterTranslationsImpl.ParameterInfo |
QueryTranslatorImpl | A QueryTranslator that uses an Antlr-based parser.
QueryTranslatorImpl.JavaConstantConverter |
SqlASTFactory | Custom AST factory the intermediate tree that causes ANTLR to create specialized AST nodes, given the AST node type (from HqlSqlTokenTypes).
SqlGenerator | Generates SQL by overriding callback methods in the base class, which does the actual SQL AST walking.

Exception Summary
DetailedSemanticException | Thrown when a call to the underlying Hibernate engine fails, indicating some form of semantic exception (e.g.
InvalidPathException | Exception thrown when an invalid path is found in a query.
InvalidWithClauseException | Indicates an issue with the encountered with-clause.
QuerySyntaxException | Exception thrown when there is a syntax error in the HQL.

## Package org.hibernate.hql.internal.ast Description

An ANTLR-based parser for Hibernate Query Language.

Classes in this package extend the ANTLR-generated parser classes.

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