Note that the AST passed in is not visited itself. Visitation starts with its children.
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parser.statement(); final AST hqlAst = parser.getAST(); final NodeTraverser walker = new NodeTraverser( new JavaConstantConverter() ); walker.traverseDepthFirst( hqlAst ); showHqlAst( hqlAst ); parser.getParseErrorHandler().throwQueryException(); return parser;