BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Finding dead code ?          BorlandTalk.com Forum Index -> C++ Builder (Non-Technical) View previous topic :: View next topic   Author Message Sten Larsson Guest Posted: Wed May 12, 2004 3:55 am    Post subject: Finding dead code ? And now for something completely different... I'm looking for a source cross reference tool that can give me a list of functions and parameters that are not called/referenced - without too much manual work. The input would of course be all the source code. I own CDOC (www.swbs.com) - but have not been able to instruct it go give me what I want. I need to shrink an embedded app. The linker does not optimize away dead code.... Oh ... yes I'm too excited about the c++ developments at Borland :-) /sten --- For direct email, remove _ and X. Back to top Ed Mulroy [TeamB] Guest Posted: Wed May 12, 2004 5:28 am    Post subject: Re: Finding dead code ? I don't know of a software tool to figure that out. I know for non-class functions and variables that I by default label them as 'static'. If they are not used inside the file then the compiler will generate a warning telling you that. Since good programming practice says to minimize the number of global variables they shouldn't be much of a problem to handle. For global functions it's pretty easy to see if or where they are called by using grep. .. Ed Quote: Sten Larsson wrote in message news:5c73a09559gdulifaqo0lp63fau4eb01e9 (AT) 4ax (DOT) com... And now for something completely different... I'm looking for a source cross reference tool that can give me a list of functions and parameters that are not called/referenced - without too much manual work. The input would of course be all the source code. I own CDOC (www.swbs.com) - but have not been able to instruct it go give me what I want. I need to shrink an embedded app. The linker does not optimize away dead code.... Oh ... yes I'm too excited about the c++ developments at Borland Back to top Chris Mylonas Guest Posted: Wed May 12, 2004 7:38 am    Post subject: Re: Finding dead code ? Take a look at Turbo Power's Sleuth QA Suite (try on sourceforge). "Sten Larsson" <s_t_enX (AT) Xs_ten_l (DOT) com> wrote Quote: And now for something completely different... I'm looking for a source cross reference tool that can give me a list of functions and parameters that are not called/referenced - without too much manual work. The input would of course be all the source code. I own CDOC (www.swbs.com) - but have not been able to instruct it go give me what I want. I need to shrink an embedded app. The linker does not optimize away dead code.... Oh ... yes I'm too excited about the c++ developments at Borland :-) /sten --- For direct email, remove _ and X. Back to top Kenneth de Camargo Guest Posted: Wed May 12, 2004 10:55 am    Post subject: Re: Finding dead code ? Chris Mylonas wrote: Quote: Take a look at Turbo Power's Sleuth QA Suite (try on sourceforge). Only the component libaries were opensourced, AFAIK. -- Ken http://planeta.terra.com.br/educacao/kencamargo/ * this is not a sig * Back to top Alex Bakaev [TeamB] Guest Posted: Wed May 12, 2004 6:45 pm    Post subject: Re: Finding dead code ? Sten Larsson wrote: Quote: And now for something completely different... [snip] One way is to run your application under debugger. The code that is not referenced by anybody will not have blue dots in the left gutter. Such code can be removed safely. Of coruse, one has to be careful about the conditionally compiled code. ..a Back to top Peter Agricola Guest Posted: Wed May 12, 2004 7:00 pm    Post subject: Re: Finding dead code ? "Alex Bakaev [TeamB]" wrote: Quote: One way is to run your application under debugger. The code that is not referenced by anybody will not have blue dots in the left gutter. In a perfect world. Unfortunately BCB is far from perfect. Today I was stepping through code without having dots. I was very upset I couldn't set breakpoints. I had to set them on code wich calls the 'code without dots', and start stepping there. This happens many times to me (in BCB5). Quote: Such code can be removed safely. Of coruse, one has to be careful about the conditionally compiled code. Don't throw it away to soon. Use a good CVS. Peter Back to top Andrue Cope Guest Posted: Thu May 13, 2004 8:15 am    Post subject: Re: Finding dead code ? On Wed, 12 May 2004 21:00:08 +0200, Peter Agricola wrote: Quote: In a perfect world. Unfortunately BCB is far from perfect. Today I was stepping through code without having dots. I was very upset I couldn't set breakpoints. I had to set them on code wich calls the 'code without dots', and start stepping there. This happens many times to me (in BCB5). My colleague suffers that in BCB6. The odd thing is I never do and we share the same projects. -- Andrue Cope [Bicester UK] Back to top Alex Bakaev [TeamB] Guest Posted: Thu May 13, 2004 4:47 pm    Post subject: Re: Finding dead code ? Andrue Cope wrote: Quote: My colleague suffers that in BCB6. The odd thing is I never do and we share the same projects. Often such problems are caused by two files with the same name opened in the IDE. ..a Back to top Ed Mulroy [TeamB] Guest Posted: Thu May 13, 2004 4:56 pm    Post subject: Re: Finding dead code ? I've also had that problem when the 'same name' file is actually the same file opened in each of two edit windows in the IDE. That was with an earlier version of BCB but my guess it also applies to BCB6. As to if it was stupid for me to do that, sure. .. Ed Quote: Alex Bakaev wrote in message news:40a3a6af$1 (AT) newsgroups (DOT) borland.com... My colleague suffers that in BCB6. The odd thing is I never do and we share the same projects. Often such problems are caused by two files with the same name opened in the IDE. Back to top Tamas Demjen Guest Posted: Thu May 13, 2004 9:27 pm    Post subject: Re: Finding dead code ? Quote: In a perfect world. Unfortunately BCB is far from perfect. Today I was stepping through code without having dots. It happens every day. Just close the project and open it again. If you're lucky, it won't even recompile anything. Tom Back to top Andrue Cope Guest Posted: Fri May 14, 2004 8:04 am    Post subject: Re: Finding dead code ? On Thu, 13 May 2004 12:56:36 -0400, Ed Mulroy [TeamB] wrote: Quote: As to if it was stupid for me to do that, sure. It can happen as the result of the 'current working directory' bug that I reported on QC. Any file not in a folder underneath the project directory can be opened by the IDE in one of two ways:Either using a relative or an absolute path. When loaded into the IDE the editor treats them like separate files. -- Andrue Cope [Bicester UK] Back to top Sten Larsson Guest Posted: Fri May 14, 2004 5:34 pm    Post subject: Re: Finding dead code ? "Sten Larsson" <s_t_enX (AT) Xs_ten_l (DOT) com> wrote Quote: And now for something completely different... Thanks everyone... I have found a tool - Understand for c++ http://www.scitools.com Pricey - $500 - but it does the job. /sten Back to top Randall Parker Guest Posted: Fri May 14, 2004 7:27 pm    Post subject: Re: Finding dead code ? Sten, Does it have any problems processing the Borland extensions? Have you run a complete BCB project thru it? Does it find all source code that doesn't get used? At what level of granularity? Method? Class? Does it identify uninitialized and unused variables? Does it do other useful things? What do you like about it? Sten Larsson wrote: Quote: I have found a tool - Understand for c++ http://www.scitools.com Pricey - $500 - but it does the job. /sten Back to top Sten Larsson Guest Posted: Sat May 15, 2004 7:41 am    Post subject: Re: Finding dead code ? Randall Parker wrote: Quote: Does it have any problems processing the Borland extensions? Have you run a complete BCB project thru it? Does it find all source code that doesn't get used? At what level of granularity? Method? Class? Does it identify uninitialized and unused variables? Does it do other useful things? What do you like about it? Hi Randall - sorry - but I have not gone into the details of it. Just tried it and it does solve my problem - i.e. to identify unused functions in plain c for an embedded application. Apart from that, I have really not looked at it too carefully. /sten --- For direct email, remove _ and X. Back to top Sten Larsson Guest Posted: Sat May 15, 2004 7:42 am    Post subject: Re: Finding dead code ? Oh - I am using the 14 day evaluation version. /sten --- For direct email, remove _ and X. 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