/home/webmaster/dev/cpp/QGIS/src/core/qgsexpressionparser.yy:320.7-13: error: symbol MAP_KEY is used, but is not defined as a token and has no rules
     | MAP_KEY
       ^^^^^^^
/home/webmaster/dev/cpp/QGIS/src/core/qgsexpressionparser.yy:287.7-23: error: symbol expressionMAP_KEY is used, but is not defined as a token and has no rules
     | expressionMAP_KEY         { QgsExpressionNode::NodeList* args = new QgsExpressionNode::NodeList();
       ^^^^^^^^^^^^^^^^^
/home/webmaster/dev/cpp/QGIS/src/core/qgsexpressionparser.yy:288.25-26: error: $1 of ‘expression’ has no declared type
           args->append( $1 );
                         ^^
/home/webmaster/dev/cpp/QGIS/src/core/qgsexpressionparser.yy:289.25-26: error: integer out of range: ‘$2’
           args->append( $2 );
                         ^^
/home/webmaster/dev/cpp/QGIS/src/core/qgsexpressionparser.yy:322.86-87: error: $1 of ‘expression’ has no declared type
           QgsExpressionNodeLiteral* literal = new QgsExpressionNodeLiteral( QString(*$1) );
                                                                                      ^^