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    Length: 3259 (0xcbb)
    Types: TextFile
    Names: »B«

└─⟦180fe333a⟧ Bits:30000405 8mm tape, Rational 1000, SW CATALOG, 10_20_0
└─⟦180fe333a⟧ Bits:30000537 8mm tape, Rational 1000, SW Catalog 10_20_0
    └─⟦5cb1d1d7f⟧ »DATA« 
        └─⟦3b1ee7bd8⟧ 
            └─⟦this⟧ 

TextFile

separate (Compilation_Unit.Produce_Metrics)
procedure Compilation_Unit
             (Current_Compilation_Unit : in out Ada_Compilation_Unit;
              Program_Unit : in Program_Unit_State_Machine;
              Halstead : in Halstead_State_Machine;
              Loc : in Loc_State_Machine;
              Mccabe : in Mccabe_State_Machine) is

    --================================================================
    -- process a single compilation unit and produce statistics
    --
    -- Compilation_Unit ::=
    --   <BEGIN_COMPILATION_UNIT>
    --   Pragma_Clause { Context_Clause }
    --   Extended_Program_Unit
    --   <END_COMPILATION_UNIT>
    --================================================================

    Current_Token : Token_Package.Token;

begin
    -- Compilation_Unit

    Get_Next_Token (Out_Token => Current_Token,
                    From => Current_Compilation_Unit,
                    Current_Loc => Loc);
    if "/=" (Token_Package.Class_Of (Current_Token),
             Token_Package.Begin_Compilation_Unit) then
        raise Syntax_Error;
    end if;

    Pragma_Clause (Current_Compilation_Unit => Current_Compilation_Unit,
                   Program_Unit => Program_Unit,
                   Halstead => Halstead,
                   Loc => Loc,
                   Mccabe => Mccabe);

    Process_Context_Clauses:
        -- for every Context Clause
        while Token_Package.Value_Of (Peek (From => Current_Compilation_Unit)) =
                 Token_Package.With_Token loop

            Context_Clause
               (Current_Compilation_Unit => Current_Compilation_Unit,
                Program_Unit => Program_Unit,
                Halstead => Halstead,
                Loc => Loc,
                Mccabe => Mccabe);

        end loop Process_Context_Clauses;

    Extended_Program_Unit (Current_Compilation_Unit => Current_Compilation_Unit,
                           Program_Unit => Program_Unit,
                           Halstead => Halstead,
                           Loc => Loc,
                           Mccabe => Mccabe);

    Get_Next_Token (Out_Token => Current_Token,
                    From => Current_Compilation_Unit,
                    Current_Loc => Loc);
    if "/=" (Token_Package.Class_Of (Current_Token),
             Token_Package.End_Compilation_Unit) then
        raise Syntax_Error;
    end if;

    --**
    Mccabe.Calculate_Vg;

    -- calculate Halstead metrics.
    -- The order of computations is SIGNIFICANT.
    Halstead.Calculate_Number_Of_Unique_Operators;
    Halstead.Calculate_Number_Of_Unique_Operands;
    Halstead.Calculate_Size_Of_Vocabulary;
    Halstead.Calculate_Total_Number_Of_Operators;
    Halstead.Calculate_Total_Number_Of_Operands;
    Halstead.Calculate_Program_Length;
    Halstead.Calculate_Program_Volume;
    Halstead.Calculate_Potential_Operator;
    Halstead.Calculate_Potential_Operand;
    Halstead.Calculate_Potential_Program_Volume;
    Halstead.Calculate_Language_Level;
    Halstead.Calculate_Difficulty_Level;
    Halstead.Calculate_Effort_To_Implement;
    Halstead.Calculate_Delivered_Bugs;
    Halstead.Calculate_Error_Proneness;
    Halstead.Calculate_Time_To_Understand;
    Halstead.Calculate_Fault_Rate;

    --**
end Compilation_Unit;