Java Code Examples for org.mozilla.javascript.Token#GETELEM

The following examples show how to use org.mozilla.javascript.Token#GETELEM . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: ExpressionCompiler.java From birt with Eclipse Public License 1.0

5 votes

/**
 * @param aggregateExpression
 * @param parent
 * @param aggregateCallNode
 * @throws DataException
 */
private void replaceAggregateNode( AggregateExpression aggregateExpression,
		Node parent, Node aggregateCallNode ) throws DataException
{
	if( registry == null )
		throw new DataException( ResourceConstants.INVALID_CALL_AGGR );
	
	// replace the aggregate CALL node with _aggr_value[<aggregateId>]
	int aggregateId = registry.register( aggregateExpression );
	Node newFirstChild = Node.newString( Token.NAME, AGGR_VALUE );
	Node newSecondChild = Node.newNumber( aggregateId );
	Node aggregateNode = new Node( Token.GETELEM, newFirstChild, newSecondChild );
	parent.replaceChild( aggregateCallNode, aggregateNode );
}

Example 2

Source File: MultiPassExpressionCompiler.java From birt with Eclipse Public License 1.0

5 votes

/**
 * replace the aggregate node with AGGR_VALUE <id>
 * 
 * @param registry
 * @param aggregateExpression
 * @param parent
 * @param aggregateCallNode
 * @throws DataException
 */
private void replaceAggregateNode( int registry, Node parent,
		Node aggregateCallNode ) throws DataException
{
	if ( registry < 0 )
		throw new DataException( ResourceConstants.INVALID_CALL_AGGR );

	int aggregateId = registry;
	Node newFirstChild = Node.newString( Token.NAME, AGGR_VALUE );
	Node newSecondChild = Node.newNumber( aggregateId );
	Node aggregateNode = new Node( Token.GETELEM,
			newFirstChild,
			newSecondChild );
	parent.replaceChild( aggregateCallNode, aggregateNode );
}

Example 3

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * if the Node is row Node, return true
 * 
 * @param refNode
 * @return
 */
private static boolean getDirectColRefExpr( Node refNode, boolean mode )
{
	assert ( refNode.getType( ) == Token.GETPROP || refNode.getType( ) == Token.GETELEM );

	Node rowName = refNode.getFirstChild( );
	assert ( rowName != null );
	if ( rowName.getType( ) != Token.NAME )
		return false;

	String str = rowName.getString( );
	assert ( str != null );
	if ( mode && !str.equals( STRING_ROW ) )
		return false;
	else if ( !mode && !str.equals( STRING_DATASET_ROW ) )
		return false;

	Node rowColumn = rowName.getNext( );
	assert ( rowColumn != null );

	if ( refNode.getType( ) == Token.GETPROP
			&& rowColumn.getType( ) == Token.STRING )
	{
		return true;
	}
	else if ( refNode.getType( ) == Token.GETELEM )
	{
		if ( rowColumn.getType( ) == Token.NUMBER
				|| rowColumn.getType( ) == Token.STRING )
			return true;
	}

	return false;
}

Example 4

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * if the Node is row Node, return true
 * 
 * @param refNode
 * @return
 */
private static boolean getDirectColRefExpr( Node refNode, boolean mode )
{
	assert ( refNode.getType( ) == Token.GETPROP || refNode.getType( ) == Token.GETELEM );

	Node rowName = refNode.getFirstChild( );
	assert ( rowName != null );
	if ( rowName.getType( ) != Token.NAME )
		return false;

	String str = rowName.getString( );
	assert ( str != null );
	if ( mode && !str.equals( STRING_ROW ) )
		return false;
	else if ( !mode && !str.equals( STRING_DATASET_ROW ) )
		return false;

	Node rowColumn = rowName.getNext( );
	assert ( rowColumn != null );

	if ( refNode.getType( ) == Token.GETPROP
			&& rowColumn.getType( ) == Token.STRING )
	{
		return true;
	}
	else if ( refNode.getType( ) == Token.GETELEM )
	{
		if ( rowColumn.getType( ) == Token.NUMBER
				|| rowColumn.getType( ) == Token.STRING )
			return true;
	}

	return false;
}

Example 5

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * if the Node is row Node, return true
 * 
 * @param refNode
 * @return
 */
private static boolean getDirectColRefExpr( Node refNode )
{
	assert ( refNode.getType( ) == Token.GETPROP || refNode.getType( ) == Token.GETELEM );

	Node rowName = refNode.getFirstChild( );
	assert ( rowName != null );
	if ( rowName.getType( ) != Token.NAME )
		return false;

	String str = rowName.getString( );
	assert ( str != null );
	if ( !str.equals( STRING_ROW ) )
		return false;

	Node rowColumn = rowName.getNext( );
	assert ( rowColumn != null );

	if ( refNode.getType( ) == Token.GETPROP
			&& rowColumn.getType( ) == Token.STRING )
	{
		return true;
	}
	else if ( refNode.getType( ) == Token.GETELEM )
	{
		if ( rowColumn.getType( ) == Token.NUMBER
				|| rowColumn.getType( ) == Token.STRING )
			return true;
	}

	return false;
}

Example 6

Source File: ExpressionParserUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * process child node
 * 
 * @param parent
 * @param child
 * @param tree
 * @param columnExprList
 * @throws BirtException
 */
private void processChild( Node child, ScriptNode tree,
		List columnExprList ) throws BirtException
{
	switch ( child.getType( ) )
	{
		case Token.NUMBER :
		case Token.STRING :
		case Token.NULL :
		case Token.TRUE :
		case Token.FALSE :
			break;

		case Token.GETPROP :
		case Token.GETELEM :
		case Token.SETPROP :
		case Token.SETELEM :
		{
			compileDirectColRefExpr( child, tree, columnExprList );
			break;
		}
		case Token.CALL :
			compileAggregateExpr( child, tree, columnExprList );
			break;
		default :
			compileComplexExpr( child, tree, columnExprList );
	}

}

Example 7

Source File: ExpressionParserUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * compile column reference expression
 * 
 * @param refNode
 * @throws BirtException
 */
private void compileDirectColRefExpr( Node refNode, ScriptNode tree,
		List columnExprList ) throws BirtException
{
	assert ( refNode.getType( ) == Token.GETPROP
			|| refNode.getType( ) == Token.GETELEM
			|| refNode.getType( ) == Token.SETELEM || refNode.getType( ) == Token.SETPROP );

	Node rowName = refNode.getFirstChild( );
	assert ( rowName != null );
	if ( rowName.getType( ) != Token.NAME )
	{
		if ( refNode.getType( ) == Token.GETPROP
				|| refNode.getType( ) == Token.GETELEM
				|| refNode.getType( ) == Token.SETELEM
				|| refNode.getType( ) == Token.SETPROP )
		{
			compileOuterColRef( refNode, tree, columnExprList );
			compileRowPositionRef( refNode, tree, columnExprList );
			return;
		}
		compileComplexExpr( refNode, tree, columnExprList );
		return;
	}
	else
		compileSimpleColumnRefExpr( refNode, tree, columnExprList );
}

Example 8

Source File: ExpressionParserUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * compile row position expression
 * @param refNode
 * @param tree
 * @param columnExprList
 * @throws BirtException
 */
private void compileRowPositionRef( Node refNode, ScriptNode tree,
		List columnExprList ) throws BirtException
{
	Node rowFirstNode = refNode.getFirstChild( );

	if ( rowFirstNode.getType( ) == Token.GETELEM
			|| rowFirstNode.getType( ) == Token.SETELEM )
	{
		Node rowNode = rowFirstNode.getFirstChild( );
		if ( rowNode != null
				&& rowNode.getType( ) == Token.NAME
				&& rowNode.getString( ).equals( ROWS_0_INDICATOR ) )
		{
			Node rowColumn = rowNode.getNext( );
			if ( rowColumn.getDouble( ) == 0.0 )
			{
				rowColumn = rowFirstNode.getNext( );
				if ( rowColumn.getType( ) == Token.STRING
						&& ( refNode.getType( ) == Token.GETELEM || refNode.getType( ) == Token.SETELEM ) )
				{
					ColumnBinding binding = new ColumnBinding( rowColumn.getString( ),
							ExpressionUtil.createJSDataSetRowExpression( rowColumn.getString( ) ),
							1 );
					columnExprList.add( binding );;
				}
			}
		}
	}
}

Example 9

Source File: ExpressionCompiler.java From birt with Eclipse Public License 1.0

4 votes

protected CompiledExpression compileDirectColRefExpr( Node parent, Node refNode,
		Node grandFather, boolean customerChecked, Context context )
		throws DataException
{
	// if it's a GETPROP or GETELEM with row on the left side,
	// and either a STRING or NUMBER on the right side, then it's
	// a direct column reference
	assert ( refNode.getType( ) == Token.GETPROP || refNode.getType( ) == Token.GETELEM );

	Node rowName = refNode.getFirstChild( );
	assert ( rowName != null );
	if ( rowName.getType( ) != Token.NAME )
		return null;

	String str = rowName.getString( );
	assert ( str != null );
	if ( !str.equals( rowIndicator ) )
		return null;

	Node rowColumn = rowName.getNext( );
	assert ( rowColumn != null );

	if ( refNode.getType( ) == Token.GETPROP
			&& rowColumn.getType( ) == Token.STRING )
	{
		if ( ScriptConstants.OUTER_RESULT_KEYWORD.equals( rowColumn.getString( ) )
				|| ScriptConstants.ROW_NUM_KEYWORD.equals( rowColumn.getString( ) )
				|| "0".equals( rowColumn.getString( ) ) )
			return null;

		return new ColumnReferenceExpression( getDataSetMode( )
				? STRING_ROW : STRING_DATASETROW, rowColumn.getString( ) );
	}
	if ( refNode.getType( ) == Token.GETELEM )
	{
		if ( rowColumn.getType( ) == Token.NUMBER )
		{
			if ( 0 == rowColumn.getDouble( ) )
				return null;
			return new ColumnReferenceExpression( getDataSetMode( )
					? STRING_ROW : STRING_DATASETROW,
					(int) rowColumn.getDouble( ) );
		}
		else if ( rowColumn.getType( ) == Token.STRING )
		{
			if ( "_rownum".equals( rowColumn.getString( ) ) )
				return null;
			return new ColumnReferenceExpression( getDataSetMode( )
					? STRING_ROW : STRING_DATASETROW, rowColumn.getString( ) );
		}
	}

	// right side is not a STRING or a NUMBER, which is what is needed for
	// a direct column reference. so it could be something
	// like row[getColumnIndex()] and that would be a complex expression
	return null;
}

Example 10

Source File: AbstractExpressionCompiler.java From birt with Eclipse Public License 1.0

4 votes

/**
	 * 
	 * returns the compiled expression from processing a child node
	 * 
	 * @param context
	 * @param customerChecked
	 * @param parent
	 * @param child
	 * @return
	 * @throws DataException
	 */
protected CompiledExpression processChild( Context context,
		boolean customerChecked, Node parent, Node child, Node grandFather )
		throws DataException
{
	CompiledExpression compiledExpr = null;
	switch ( child.getType( ) )
	{
		case Token.NUMBER :
			compiledExpr = new ConstantExpression( child.getDouble( ) );
			break;

		case Token.STRING :
			compiledExpr = new ConstantExpression( child.getString( ) );
			break;

		case Token.NULL :
			compiledExpr = new ConstantExpression( );
			break;

		case Token.TRUE :
			compiledExpr = new ConstantExpression( true );
			break;

		case Token.FALSE :
			compiledExpr = new ConstantExpression( false );
			break;

		case Token.GETPROP :
		{
			ConstantExpression ce = AggregationConstantsUtil.getConstantExpression( child );
			if ( ce != null )
			{
				compiledExpr = ce;
				break;
			}
		}

		case Token.GETELEM :
			compiledExpr = compileDirectColRefExpr( parent,
					child,
					grandFather,
					customerChecked,
					context );
			break;

		case Token.CALL :
		{
			compiledExpr = compileAggregateExpr( context, parent, child );
			break;
		}
	}
	if ( compiledExpr == null )
		compiledExpr = compileComplexExpr( context, child, customerChecked );
	return compiledExpr;
}

Example 11

Source File: AbstractExpressionCompiler.java From birt with Eclipse Public License 1.0

4 votes

/**
 * Check if the expression is a direct column reference type. If so, returns
 * an instance of DirectColRefExpr that represents it; otherwise returns
 * null.
 * 
 * @param refNode
 * @param customerChecked
 * @return
 * @throws DataException
 */
protected ColumnReferenceExpression compileColRefExpr( Node refNode,
		boolean customerChecked ) throws DataException
{
	// if it's a GETPROP or GETELEM with row on the left side,
	// and either a STRING or NUMBER on the right side, then it's
	// a direct column reference
	assert ( refNode.getType( ) == Token.GETPROP || refNode.getType( ) == Token.GETELEM );

	Node rowName = refNode.getFirstChild( );
	assert ( rowName != null );
	if ( rowName.getType( ) != Token.NAME )
		return null;

	String str = rowName.getString( );
	assert ( str != null );
	if ( !str.equals( rowIndicator ) )
		return null;

	Node rowColumn = rowName.getNext( );
	assert ( rowColumn != null );

	if ( refNode.getType( ) == Token.GETPROP
			&& rowColumn.getType( ) == Token.STRING )
	{
		return new ColumnReferenceExpression(
				this.isDataSetMode ? STRING_ROW : STRING_DATASETROW,
				rowColumn.getString());
	}
	if ( refNode.getType( ) == Token.GETELEM )
	{
		if ( rowColumn.getType( ) == Token.NUMBER )
		{
			return new ColumnReferenceExpression(
					this.isDataSetMode ? STRING_ROW : STRING_DATASETROW,
					(int) rowColumn.getDouble());
		}
		else if ( rowColumn.getType( ) == Token.STRING )
		{
			return new ColumnReferenceExpression(
					this.isDataSetMode ? STRING_ROW : STRING_DATASETROW,
					rowColumn.getString());
		}
	}
	// right side is not a STRING or a NUMBER, which is what is needed for
	// a direct column reference. so it could be something
	// like row[getColumnIndex()] and that would be a complex expression
	return null;
}

Example 12

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * whether the expression is column reference
 * @param expression
 * @return
 */
public static boolean isColumnExpression( String expression, boolean mode )
{
	boolean isColumn = false;
	if ( expression == null || expression.trim( ).length( ) == 0 )
		return isColumn;
	if ( getCompiledExpCacheMap( mode ).containsKey( expression ) )
	{
		return ( (Boolean)  getCompiledExpCacheMap( mode ).get( expression ) ).booleanValue( );
	}
	Context context = Context.enter( );
	ScriptNode tree;
	try
	{
		CompilerEnvirons m_compilerEnv = new CompilerEnvirons( );
		m_compilerEnv.initFromContext( context );
		Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) );
		AstRoot root = p.parse( expression, null, 0 );
		IRFactory ir = new IRFactory( m_compilerEnv );
		tree = ir.transformTree( root );
	}
	catch ( Exception e )
	{
		getCompiledExpCacheMap( mode ).put( expression,
				Boolean.valueOf( false ) );
		return false;
	}
	finally
	{
		Context.exit( );
	}

	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			isColumn = false;
		}
		Node exprNode = tree.getFirstChild( );
		Node child = exprNode.getFirstChild( );
		assert ( child != null );
		if ( child.getType( ) == Token.GETELEM
				|| child.getType( ) == Token.GETPROP )
			isColumn = getDirectColRefExpr( child, mode );
		else
			isColumn = false;
	}
	else
	{
		isColumn = false;
	}
	getCompiledExpCacheMap( mode ).put( expression,
			Boolean.valueOf( isColumn ) );
	return isColumn;
}

Example 13

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * whether the expression is column reference
 * @param expression
 * @return
 */
public static boolean isColumnExpression( String expression, boolean mode )
{
	boolean isColumn = false;
	if ( expression == null || expression.trim( ).length( ) == 0 )
		return isColumn;
	if ( getCompiledExpCacheMap( mode ).containsKey( expression ) )
	{
		return ( (Boolean)  getCompiledExpCacheMap( mode ).get( expression ) ).booleanValue( );
	}
	Context context = Context.enter( );
	ScriptNode tree;
	try
	{
		CompilerEnvirons m_compilerEnv = new CompilerEnvirons( );
		m_compilerEnv.initFromContext( context );
		Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) );
		AstRoot root = p.parse( expression, null, 0 );
		IRFactory ir = new IRFactory( m_compilerEnv );
		tree = ir.transformTree( root );
	}
	catch ( Exception e )
	{
		getCompiledExpCacheMap( mode ).put( expression,
				Boolean.valueOf( false ) );
		return false;
	}
	finally
	{
		Context.exit( );
	}

	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			isColumn = false;
		}
		Node exprNode = tree.getFirstChild( );
		Node child = exprNode.getFirstChild( );
		assert ( child != null );
		if ( child.getType( ) == Token.GETELEM
				|| child.getType( ) == Token.GETPROP )
			isColumn = getDirectColRefExpr( child, mode );
		else
			isColumn = false;
	}
	else
	{
		isColumn = false;
	}
	getCompiledExpCacheMap( mode ).put( expression,
			Boolean.valueOf( isColumn ) );
	return isColumn;
}

Example 14

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * whether the expression is column reference
 * 
 * @param expression
 * @return
 */
public static boolean isColumnExpression( String expression )
{
	boolean isColumn = false;
	if ( expression == null || expression.trim( ).length( ) == 0 )
		return isColumn;
	if ( compiledExprCache.containsKey( expression ) )
		return ( (Boolean) compiledExprCache.get( expression ) ).booleanValue( );
	Context context = Context.enter( );
	ScriptNode tree;
	try
	{
		CompilerEnvirons m_compilerEnv = new CompilerEnvirons( );
		m_compilerEnv.initFromContext( context );
		Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) );
		AstRoot root = p.parse( expression, null, 0 );
		IRFactory ir = new IRFactory( m_compilerEnv );
		tree = ir.transformTree( root );
	}
	catch ( Exception e )
	{
		compiledExprCache.put( expression, Boolean.valueOf( false ) );
		return false;
	}
	finally
	{
		Context.exit( );
	}

	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			isColumn = false;
		}
		Node exprNode = tree.getFirstChild( );
		Node child = exprNode.getFirstChild( );
		assert ( child != null );
		if ( child.getType( ) == Token.GETELEM
				|| child.getType( ) == Token.GETPROP )
			isColumn = getDirectColRefExpr( child );
		else
			isColumn = false;
	}
	else
	{
		isColumn = false;
	}

	compiledExprCache.put( expression, Boolean.valueOf( isColumn ) );
	return isColumn;
}

Example 15

Source File: ExpressionParserUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * 
 * @param refNode
 * @return
 */
private int compileOuterColRefExpr( Node refNode )
{
	int count = 0;
	Node rowFirstNode = refNode.getFirstChild( );
	if ( refNode.getType( ) == Token.GETPROP
			|| refNode.getType( ) == Token.GETELEM
			|| refNode.getType( ) == Token.SETPROP
			|| refNode.getType( ) == Token.SETELEM )
	{
		if ( rowFirstNode.getType( ) == Token.NAME
				&& rowFirstNode.getString( ).equals( ROW_INDICATOR ) )
		{
			Node rowColumn = rowFirstNode.getNext( );
			if ( rowColumn.getType( ) == Token.STRING )
			{
				if ( "_outer".equals( rowColumn.getString( ) ) )
					count++;
			}
			return count;
		}
		else if ( rowFirstNode.getType( ) == Token.GETPROP
				|| rowFirstNode.getType( ) == Token.SETPROP )
		{
			if ( compileOuterColRefExpr( rowFirstNode ) == -1 )
				return -1;
			else
				count = count + compileOuterColRefExpr( rowFirstNode );
			Node nextChild = rowFirstNode.getNext( );
			if ( nextChild.getType( ) == Token.STRING )
			{
				if ( "_outer".equals( nextChild.getString( ) ) )
					count++;
			}
		}
		else
			return -1;
		return count;
	}
	else
		return -1;
}