| Methods Summary |
|---|
| protected antlr.collections.AST | create(java.lang.Class c)Actually instantiate the AST node.
AST t;
try {
t = ( AST ) c.newInstance(); // make a new one
initializeSqlNode( t );
}
catch ( Exception e ) {
error( "Can't create AST Node " + c.getName() );
return null;
}
return t;
|
| protected antlr.collections.AST | createUsingCtor(antlr.Token token, java.lang.String className)
Class c;
AST t;
try {
c = Class.forName( className );
Class[] tokenArgType = new Class[]{antlr.Token.class};
Constructor ctor = c.getConstructor( tokenArgType );
if ( ctor != null ) {
t = ( AST ) ctor.newInstance( new Object[]{token} ); // make a new one
initializeSqlNode( t );
}
else {
// just do the regular thing if you can't find the ctor
// Your AST must have default ctor to use this.
t = create( c );
}
}
catch ( Exception e ) {
throw new IllegalArgumentException( "Invalid class or can't make instance, " + className );
}
return t;
|
| public java.lang.Class | getASTNodeType(int tokenType)Returns the class for a given token type (a.k.a. AST node type).
switch ( tokenType ) {
case SELECT:
case QUERY:
return QueryNode.class;
case UPDATE:
return UpdateStatement.class;
case DELETE:
return DeleteStatement.class;
case INSERT:
return InsertStatement.class;
case INTO:
return IntoClause.class;
case FROM:
return FromClause.class;
case FROM_FRAGMENT:
return FromElement.class;
case IMPLIED_FROM:
return ImpliedFromElement.class;
case DOT:
return DotNode.class;
case INDEX_OP:
return IndexNode.class;
// Alias references and identifiers use the same node class.
case ALIAS_REF:
case IDENT:
return IdentNode.class;
case SQL_TOKEN:
return SqlFragment.class;
case METHOD_CALL:
return MethodNode.class;
case ELEMENTS:
case INDICES:
return CollectionFunction.class;
case SELECT_CLAUSE:
return SelectClause.class;
case SELECT_EXPR:
return SelectExpressionImpl.class;
case AGGREGATE:
return AggregateNode.class;
case COUNT:
return CountNode.class;
case CONSTRUCTOR:
return ConstructorNode.class;
case NUM_INT:
case NUM_FLOAT:
case NUM_LONG:
case NUM_DOUBLE:
case QUOTED_STRING:
return LiteralNode.class;
case TRUE:
case FALSE:
return BooleanLiteralNode.class;
case JAVA_CONSTANT:
return JavaConstantNode.class;
case ORDER:
return OrderByClause.class;
case PLUS:
case MINUS:
case STAR:
case DIV:
return BinaryArithmeticOperatorNode.class;
case UNARY_MINUS:
case UNARY_PLUS:
return UnaryArithmeticNode.class;
case CASE2:
return Case2Node.class;
case CASE:
return CaseNode.class;
case PARAM:
case NAMED_PARAM:
return ParameterNode.class;
case EQ:
case NE:
case LT:
case GT:
case LE:
case GE:
case LIKE:
case NOT_LIKE:
return BinaryLogicOperatorNode.class;
case IN:
case NOT_IN:
return InLogicOperatorNode.class;
case BETWEEN:
case NOT_BETWEEN:
return BetweenOperatorNode.class;
case IS_NULL:
case IS_NOT_NULL:
case EXISTS:
return UnaryLogicOperatorNode.class;
default:
return SqlNode.class;
} // switch
|
| private void | initializeSqlNode(antlr.collections.AST t)
// Initialize SQL nodes here.
if ( t instanceof InitializeableNode ) {
InitializeableNode initializeableNode = ( InitializeableNode ) t;
initializeableNode.initialize( walker );
}
if ( t instanceof SessionFactoryAwareNode ) {
( ( SessionFactoryAwareNode ) t ).setSessionFactory( walker.getSessionFactoryHelper().getFactory() );
}
|
