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Free VB code analysis service: Sample report

This is a sample report of the free code analysis service for Visual Basic.

The actual report contents may vary a little depending on the current Project Analyzer version. These reports were generated for the sample application VisData.vbp that came with Visual Basic 6.0.

  • Summary report with information on the total size of your code, such as the number of lines and procedures.
  • Design quality report with information on the amount of dead code, problems, commentation, internal reuse, procedure lengths and other quality aspects.
  • Dead code statistics listing the amount and types of dead code in your program.
  • Problem statistics summarizing the problems found in code review.
  • File dependency tree, listing "file depends on" information for all files.

Summary report - VisData

System summary

Projects 1  
Total files 84
Source files 36
Source lines (LINES) 10732
System size Medium
VB version(s) VB6

Source lines (LINES): Total number of physical source lines

Total size

Source lines (LINES) 10732  
   
Logical lines of code LLOC 8219 77%
Logical lines of comment LLOC' 806 8%
Lines of whitespace LLOW 1653 15%
Total logical lines LLINES 10678 100%
   
Source size 486 kB
Binary property (frx) files 29 kB

Logical line: Lines continued on several lines are counted as one logical line.
Lines excluded by conditional compilation are not included in the logical line counts.

Files

Total files 84  
Source files 36
Other files 48
 
File types
Module 1
Forms 34
Class 1
Libraries (Declared) 3
Binary Property Files 33
Libraries (Controls) 4
Libraries (Referenced) 6
Project Workspace 1
Project File 1
 
Source file ages
Oldest 4.6.98 VISDATA.BAS
Newest 25.6.98 VDMDI.FRM
Modified today 0 0%
Modified in 7 days 0 0%
Modified in 30 days 0 0%
Modified in 365 days 0 0%
Older than 365 days 36 100%
     
Source file last modified Files  
1998 36
Total source files 36

Average source file age is 12.4 years

Forms and controls

Forms 34 (max 230)
Controls 558

Procedures

Total procedures 459
Source procedures 459
Binary procedures 0
   
Source procedures 459
Sub 423
Function 29
Declare Sub/Function 7
   
Source procedures 459
Private 374
Public 85
 
Source procedures 459
Dead procedures 9
Live procedures 450

Dead procedures include ones that are called by other dead ones
and may also include exposed procedures.

Variables and constants

Total Variables Constants
Source 693 516
Binary 0 0
     
Scope Variables Constants
Global 45 49
Module-level 60 465
Local 350 2
Parameters 238  
Total (source) 693 516
     
Dead/Live Variables Constants
Dead 67 12
Live 626 504
Total (source) 693 516

Dead variables/constants may include exposed ones.

Other declarations

In source files

Enums 1
Enum constants 15


Project Analyzer v10 VisData v6.0.8175

Design quality report - VisData

Procedure length

Code lines (LLOC) Procs % Distribution
1-4 134 30% ******
5-9 115 25% *****
10-14 59 13% ***
15-19 22 5% *
20-39 77 17% ***
40-59 23 5% *
60-79 11 2%  
80-99 4 1%  
100-163 7 2%  
Total 452 100%
 
Longest procedure 163    
Average procedure 16.7    

Procedure length is measured by logical lines of code (LLOC).
Comments and whitespace are not counted.

Source file sizes

Average source file size

Average length 298 LINES  
Average kilobytes 13.5 kB

Smallest and largest source files

Longest file 2437 LINES VISDATA.BAS
Shortest file 30 LINES EXPNAME.FRM
     
Largest file 76.1 kB VISDATA.BAS
Smallest file 2.8 kB ERRORS.FRM

Line counts in this section are physical line counts (LINES).

Complexity

Cyclomatic complexity

Complexity Procs % Distribution Description
1- 4 368 81% **************** Simple procedure
5-10 54 12% ** Well structured, stable
11-20 23 5% * More complex
21-50 7 2%   Complex, alarming
51- 0 0%   Error-prone, troublesome
Total 452 100%

Cyclomatic complexity (CC) = Number of decisions + 1
Recommended range: 1-10

Average complexity 3.42  
Decision density 0.21 DECDENS=CC/LLOC, complexity per a line of code
Total complexity 1096 TCC = total number of decisions + 1

Depth of conditional nesting

DCOND = Maximum nested conditional statements in procedure.

Recommended maximum 5  
Actual maximum 5
Too high (DCOND > 5) 0 procedures (0%)
Average DCOND 1.0

Other procedural complexity values

Average SFOUT 0.97 Structural fan-out
Average DLOOPS 0.16 Depth of looping
Average IFIN 2.24 Informational fan-in
Average IFIOUT 1.56 Informational fan-out
Average IC1 420 Informational complexity

Understandability

Comments and whitespace

Logical lines of code LLOC 8219 77%  
Logical lines of comment LLOC' 806 8%
Lines of whitespace LLOW 1653 15%
Total logical lines LLINES 10678 100%
 
Comment types
Full-line comments 806 84%
End-of-line comments 158 16%
All comments 964 100%
 
Comment contents
Meaningful comments MCOMM 746 77%
Meaningless comments 218 23%
All comments 964 100%
 
Comment density
MCOMM per code line (MCOMM%) 9%   MCOMM/LLOC

Logical line: Lines continued on several lines are counted as one logical line.
Lines excluded by conditional compilation are not included in the logical line counts.
A meaningful comment contains text rather than just whitespace or punctuation.

Meaningful comments per procedure

MCOMM Procs % Distribution
0 258 57% ***********
1-2 112 25% *****
3-5 52 12% **
6 or more 30 7% *
Total 452 100%
Average MCOMM 1.5

Length of names

Average length of names LEN 8.3  
Procedure names LENP 11.9 (excl. event handlers/implements procs)
Variable names LENV 6.8 (excl. event handler/implements params)
Constant names LENC 7.2
Control names 10.4
Type/Enum names 12.3 (incl. enum constants and type fields)

Length % Distribution
1 5% *
2 0%  
3 3% *
4-6 27% *****
7-9 27% *****
10-14 32% ******
15-19 5% *
20-24 0%  

Number of names

Total names 1642  
Unique names 978
Name uniqueness ratio UNIQ 60%

Structural fan-in and reuse

SFIN Procs % Distribution
0-1 No reuse 411 90% ******************
2-4 Slight reuse 35 8% **
5-9 Significant reuse 5 1%  
10- High reuse 0 0%  
Average: 1.0

Structural fan-in (SFIN) = number of calling procedures.

Problems

Dead code

  Problematic Total %
Dead procedures 9 459 2%
Removable code lines in procs 83 7553 1%
Dead variables 66 455 15%
Dead constants 12 516 2%
Dead Enums 0 1 0%

Dead code counts may include exposed code.

Problems with declarations

  Problematic Total %
Missing variable type 0 455 0%
Excess var/const scope 9 971 1%
No var/const scope 511 971 53%
Missing ByVal/ByRef 76 238 32%
Missing function type 2 36 6%
Excess procedure scope 47 459 10%
No procedure scope 76 459 17%

Naming standards

  Problematic Total %
NameCheck failures 0 2229 0%

Problem statistics

Filter: <Strict - Show all problems>
Problems reported 3860
Lines of code (LLOC) 8219
Source procedures 459
Problems / LLOC 0.5
Problems / procedure 8.4



Project Analyzer v10 VisData v6.0.8175

Dead code statistics - VisData

Procedures

Summary Procedures % LINES LLOC
Dead procedures (certain, not exposed) 7 2% 86 56
Dead procedures (uncertain, exposed) 2 0% 48 27
Live procedures 450 98% 9697 7470
All procedures 459 100% 9831 7553
Dead code by subtype
-Dead 6 1% 82 53
-Dead but exposed 2 0% 48 27
-Dead - KeyPreview = False 1 0% 4 3

Modules

Summary Modules % LINES LLOC
Dead modules 0 0% 0 0
Live modules 36 100% 10732 8219
All modules 36 100% 10732 8219

Variables

Summary Variables %
Dead variables 66 15%
Live variables 389 85%
All variables 455 100%
Dead code by subtype
-Dead 54 12%
-Written only 10 2%
-Read only 2 0%

Constants

Summary Constants %
Dead constants 12 2%
Live constants 504 98%
All constants 516 100%
Dead code by subtype
-Dead 11 2%
-Users dead 1 0%

Parameters

Summary Parameters %
Dead parameters 1 0%
Live parameters 237 100%
All parameters 238 100%
Dead code by subtype
-Dead 1 0%

Enums

Summary Enums %
Dead enums 0 0%
Live enums 1 100%
All enums 1 100%

Enum constants

Summary Enum constants %
Dead enum constants 0 0%
Live enum constants 15 100%
All enum constants 15 100%


Project Analyzer v10 VisData v6.0.8175

Problem statistics - VisData

Problem Count Type
ADO required for data binding in VB.NET 1 .NET
As New doesn't auto-instantiate if object released in VB.NET 3 .NET
Assigned object not used 1 Logic
Assigned value not used 3 Logic
Assignment to self 3 Func
ByRef parameter read only, consider ByVal 57 Style
ByRef parameter returns a value 5 Style
ByVal/ByRef missing 76 Style
Call statement found 18 Style
Case branch(es) missing for Enum 3 Logic
Case Else missing 19 Logic
Consider short-circuited logic 78 Opt
Consider using Image control 3 Opt
Constant available 2 Opt
Constant declared in code 1 Style
Constant missing type declaration 513 Style
Constant users all dead 1 Dead
Control not enabled 13 Dead
Control not visible 5 Dead
Control unsupported by VB.NET 1 .NET
Cyclomatic complexity exceeds limit 22 Metr
DDE unsupported by VB.NET 1 .NET
Dead constant 11 Dead
Dead parameter 1 Dead
Dead procedure/declaration/event 7 Dead
Dead variable 54 Dead
Default button missing 7 Func
Default control name 7 Style
Delayed error handling 46 Func
Dollar would increase performance 108 Opt
Drag-and-drop requires rewrite for VB.NET 1 .NET
Empty block 14 Logic
Encapsulate non-private variable as property 11 Style
End statement found 2 Func
Error handler missing 268 Func
Event behavior changes in VB.NET 4 .NET
Excess scope 56 Style
Exit statement found 12 Style
Exit Sub|Function|Property found 43 Style
Fixed-length string used 2 Style
Function missing type declaration 2 Style
Global variable found 45 Style
Goto statement found 10 Style
Hotkey conflict 6 Func
Hotkey missing 76 Func
IIf function found 25 Style
Informat'l complexity exceeds limit 27 Metr
Informat'l fan-in x fan-out exceeds limit 11 Metr
Line too long 3 Style
Lines of code exceed file limit 4 Metr
Lines of code exceed proc. limit 18 Metr
Literal "" found 11 Opt
Local variable not cleared 6 Style
Magic decimal number found 10 Style
Magic hex number found 2 Style
Magic number found 411 Style
Multiple statements on line 1 Style
Object variable declared As New 7 Opt
Option Explicit Off 1 Style
Parameter not cleared 1 Style
Parameter with generic type 8 Style
Pass ByRef 13 Style
Possibly twisted tab order 10 Func
Return value discarded 1 Dead
Rewrite Sub as Function 1 Style
ScaleMode must be vbTwips for VB.NET 9 .NET
Scope declaration missing 587 Style
Short name 75 Style
Single-line If..Then statement found 123 Style
Too many uncommented lines 76 Style
Trailing comment found 158 Style
TTF/OTF fonts required by VB.NET 17 .NET
Type unsupported by VB.NET 2 .NET
Uncommented procedure 256 Style
Unicode function is faster 2 Opt
Variable clearing violation 2 Style
Variable clearing violation 4 Style
Variable declared in code 268 Style
Variable read before written (along some path) 37 Logic
Variable read, not written 2 Dead
Variable with generic type 10 Style
Variable written, not read 10 Dead
Variable/parameter/constant with type character 18 Style
While loop found 11 Style
   
Type Count
Optimization 211
Style 2928
Functionality 418
Logic 77
VB.NET Compatibility 39
Dead code 105
Metrics 82
===== =====
Total 3860
Problems/logical code line 0,47

Filter: <Strict - Show all problems>



Project Analyzer v10 VisData v6.0.8175

File dependency tree - VisData

VDMDI.FRM
-> VISDATA.BAS >>tree deepens
-> TBLSTRU.FRM >>tree deepens
-> Database.frm
   -- VISDATA.BAS >>tree deepens
   -- VDMDI.FRM << recursive
-> SQL.FRM
   -- VISDATA.BAS >>tree deepens
   -- Database.frm
      -> VISDATA.BAS >>tree deepens
      -> VDMDI.FRM << recursive
-> Property.frm
-> QUERY.FRM >>tree deepens
-> ABOUTBOX.FRM
-> ODBCLogn.Frm >>tree deepens
-> Loginfrm.frm
   -- VISDATA.BAS >>tree deepens
-> ATTACH.FRM
   -- NEWATTCH.FRM
      -> VISDATA.BAS >>tree deepens
      -> ATTACH.FRM << recursive
   -- VISDATA.BAS >>tree deepens
-> GRPSUSRS.FRM >>tree deepens
-> VDCLASS.CLS
   -- VISDATA.BAS >>tree deepens
   -- VDMDI.FRM << recursive
-> DFD.FRM
   -- VISDATA.BAS >>tree deepens
   -- VDCLASS.CLS
      -> VISDATA.BAS >>tree deepens
      -> VDMDI.FRM << recursive
-> CPYSTRU.FRM
   -- VISDATA.BAS >>tree deepens
-> VBIMEX.FRM >>tree deepens
-> REPLACE.FRM
   -- VISDATA.BAS >>tree deepens

VISDATA.BAS
-> ODBC32.DLL
-> kernel32.dll
-> user32.dll
-> VDCLASS.CLS
   -- VISDATA.BAS << recursive
   -- VDMDI.FRM >>tree deepens
-> VDMDI.FRM >>tree deepens
-> DATAFORM.FRM
   -- VISDATA.BAS << recursive
   -- DCPROP.FRM
      -> VISDATA.BAS << recursive
-> DYNASNAP.FRM >>tree deepens
-> TABLEOBJ.FRM >>tree deepens
-> Database.frm
   -- VISDATA.BAS << recursive
   -- VDMDI.FRM >>tree deepens
-> SQL.FRM
   -- VISDATA.BAS << recursive
   -- Database.frm
      -> VISDATA.BAS << recursive
      -> VDMDI.FRM >>tree deepens
-> DATAGRID.FRM
   -- VISDATA.BAS << recursive
-> ERRORS.FRM
   -- VISDATA.BAS << recursive
-> DBPwd.FRM
   -- VISDATA.BAS << recursive
-> EXPNAME.FRM
   -- VISDATA.BAS << recursive
-> VBIMEX.FRM >>tree deepens

VDCLASS.CLS
-> VISDATA.BAS >>tree deepens
-> VDMDI.FRM >>tree deepens

ABOUTBOX.FRM

ADDFIELD.FRM
-> VISDATA.BAS >>tree deepens
-> TBLSTRU.FRM >>tree deepens

ATTACH.FRM
-> NEWATTCH.FRM
   -- VISDATA.BAS >>tree deepens
   -- ATTACH.FRM << recursive
-> VISDATA.BAS >>tree deepens

CPYSTRU.FRM
-> VISDATA.BAS >>tree deepens

DATAFORM.FRM
-> VISDATA.BAS >>tree deepens
-> DCPROP.FRM
   -- VISDATA.BAS >>tree deepens

DATAGRID.FRM
-> VISDATA.BAS >>tree deepens

DATATYPE.FRM
-> VISDATA.BAS >>tree deepens

DCPROP.FRM
-> VISDATA.BAS >>tree deepens

DFD.FRM
-> VISDATA.BAS >>tree deepens
-> VDCLASS.CLS
   -- VISDATA.BAS >>tree deepens
   -- VDMDI.FRM >>tree deepens

DYNASNAP.FRM
-> FIND.FRM
   -- VISDATA.BAS >>tree deepens
-> VISDATA.BAS >>tree deepens
-> ZOOM.FRM
   -- VISDATA.BAS >>tree deepens

ERRORS.FRM
-> VISDATA.BAS >>tree deepens

EXPNAME.FRM
-> VISDATA.BAS >>tree deepens

FIND.FRM
-> VISDATA.BAS >>tree deepens

GRPSUSRS.FRM
-> VISDATA.BAS >>tree deepens
-> NEWUG.FRM
   -- VISDATA.BAS >>tree deepens
   -- GRPSUSRS.FRM << recursive
-> NEWPW.FRM
   -- VISDATA.BAS >>tree deepens

IMPTBLS.FRM
-> VISDATA.BAS >>tree deepens

JOIN.FRM
-> QUERY.FRM >>tree deepens
-> VISDATA.BAS >>tree deepens
-> VDMDI.FRM >>tree deepens

DBPwd.FRM
-> VISDATA.BAS >>tree deepens

NEWATTCH.FRM
-> VISDATA.BAS >>tree deepens
-> ATTACH.FRM
   -- NEWATTCH.FRM << recursive
   -- VISDATA.BAS >>tree deepens

NEWPW.FRM
-> VISDATA.BAS >>tree deepens

NEWUG.FRM
-> VISDATA.BAS >>tree deepens
-> GRPSUSRS.FRM >>tree deepens

QUERY.FRM
-> VISDATA.BAS >>tree deepens
-> VDMDI.FRM >>tree deepens
-> JOIN.FRM >>tree deepens
-> SQL.FRM
   -- VISDATA.BAS >>tree deepens
   -- Database.frm
      -> VISDATA.BAS >>tree deepens
      -> VDMDI.FRM >>tree deepens

REPLACE.FRM
-> VISDATA.BAS >>tree deepens

SEEK.FRM
-> VISDATA.BAS >>tree deepens

SQL.FRM
-> VISDATA.BAS >>tree deepens
-> Database.frm
   -- VISDATA.BAS >>tree deepens
   -- VDMDI.FRM >>tree deepens

TABLEOBJ.FRM
-> SEEK.FRM
   -- VISDATA.BAS >>tree deepens
-> VISDATA.BAS >>tree deepens
-> ZOOM.FRM
   -- VISDATA.BAS >>tree deepens
-> DYNASNAP.FRM >>tree deepens

TBLSTRU.FRM
-> VISDATA.BAS >>tree deepens
-> ADDFIELD.FRM
   -- VISDATA.BAS >>tree deepens
   -- TBLSTRU.FRM << recursive
-> Addindex.frm
   -- VISDATA.BAS >>tree deepens
   -- TBLSTRU.FRM << recursive

ZOOM.FRM
-> VISDATA.BAS >>tree deepens

VBIMEX.FRM
-> DATATYPE.FRM
   -- VISDATA.BAS >>tree deepens
-> VISDATA.BAS >>tree deepens
-> VDMDI.FRM >>tree deepens
-> IMPTBLS.FRM
   -- VISDATA.BAS >>tree deepens
-> SQL.FRM
   -- VISDATA.BAS >>tree deepens
   -- Database.frm
      -> VISDATA.BAS >>tree deepens
      -> VDMDI.FRM >>tree deepens

Database.frm
-> VISDATA.BAS >>tree deepens
-> VDMDI.FRM >>tree deepens

Addindex.frm
-> VISDATA.BAS >>tree deepens
-> TBLSTRU.FRM >>tree deepens

ODBCLogn.Frm
-> ODBC32.DLL
-> VISDATA.BAS >>tree deepens
-> VDMDI.FRM >>tree deepens

Property.frm

Loginfrm.frm
-> VISDATA.BAS >>tree deepens
Project Analyzer v10 VisData v6.0.8175

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