Module Df_analysis_context

module Df_analysis_context: sig .. end

type ('a, 'b) df_analysis_context 

val build_df_analysis_context : unit -> ('a, 'b) df_analysis_context

val add_var_dfgraph : ('a, 'b) df_analysis_context ->
       Xquery_common_ast.cvname ->
       ('a, 'b) Df_struct.dfgraph ->
       ('a, 'b) df_analysis_context

val get_var_dfgraph : ('a, 'b) df_analysis_context ->
       Xquery_common_ast.cvname -> ('a, 'b) Df_struct.dfgraph