Re: [Cs-dev] more than one string in an i-statement

Date	2007-04-27 16:17
From	Michael Gogins
Subject	Re: [Cs-dev] more than one string in an i-statement
	Why? We have tons of dependencies already, and boost is pretty standard for C++ development now. Regards, Mike -----Original Message----- >From: Victor Lazzarini >Sent: Apr 27, 2007 11:13 AM >To: Developer discussions >Subject: Re: [Cs-dev] more than one string in an i-statement > >I would be against introducing a dependency on Boost to the >csound core. > >Victor > >At 16:07 27/04/2007, you wrote: >>Better yet, the pfields should be variants; each pfield should be allowed >>to be any one of a predefined set of types that would at least include >>int, real, boolean, string. I would not want to get too fancy with this! >> >>boost::any provides an efficient, easy to use encapsulation of this kind >>of facility in C++, which is another argument for moving the Csound >>internals from C to C++. I don't want to wait around for weeks or months >>while people hammer out some implementation in C of what already works >>perfectly in C++. >> >>Regards, >>Mike >> >>-----Original Message----- >> >From: Victor Lazzarini >> >Sent: Apr 27, 2007 4:40 AM >> >To: Developer discussions >> >Subject: Re: [Cs-dev] more than one string in an i-statement >> > >> >I think we should have a plan for a change in the API. Perhaps we >> >should wait for other changes before doing, so they are all done >> >in one go. So, for now, we don't do anything, but add this to a list >> >of future API changes. When that list is big enough or there is a >> >good reason for modifying the API, then we will do it. >> > >> > >> >At 02:42 27/04/2007, you wrote: >> >>Please keep in mind that if you change the EVTBLK structure to allow for >> >>more than one string, then you will also need to change the EVENT structure >> >>in cscore.h which is part of the Cscore API. This will be an incompatible >> >>change to the API (our first) and will require the API version number to be >> >>increased to 2.0. Increasing the API major version will require all host >> >>applications that dynamically link to Csound to be recompiled even though >> >>this change will likely not affect them. Existing user cscore programs >> will >> >>all need to be recompiled and will likely crash if they are loaded with the >> >>new library. >> >> >> >>None of this means that we should not make this improvement. But these are >> >>the consequences of this particular change unless you can think of a way to >> >>avoid changing EVTBLK. >> >> >> >>If you do change EVTBLK, I would suggest that we do away with the "magic >> >>number" () for indicating a string p-field and instead have an array of >> >>bools. I have not yet been able to cause anything really bad to happen >> as a >> >>result of this hack but the CSD below certainly could be considered to >> >>behave a little "strangely". >> >> >> >>Also, I don't know if we can save space by using a union { char ; MYFLT } >> >>for each p-field but that may not be a good idea either if it changes how >> >>Cscore users access p-fields from their code. >> >> >> >>Anthony >> >> >> >> >> >> >> >>sr = 10 >> >>kr = 10 >> >> >> >>instr 1 >> >> print p4 >> >> ifile fiopen p4, 1 >> >>endin >> >> >> >> >> >> >> >> >> >>i1 0 1 "test string" >> >>i1 1 1 3945467 >> >>e >> >> >> >> >> >> >> >> >> >>* By the way, did the magic number (SSTRCOD) change between Csound 4 & 5 or >> >>has it changed since Csound 5.00 was released? I thought that it used >> to be >> >>1048576 and it is now 3945467. Am I confused? >> >> >> >>Victor Lazzarini wrote on 4/26/07 11:35 AM: >> >> >> >> > Yes, more than one string in an i-statement should be enabled, >> >> > that should be one of the items in the to-do list. At the moment the >> data >> >> > structure that holds i-statements has only one slot for strings, so >> >> > I suppose that's where we should start. >> >> >> >> >> >>------------------------------------------------------------------------- >> >>This SF.net email is sponsored by DB2 Express >> >>Download DB2 Express C - the FREE version of DB2 express and take >> >>control of your XML. No limits. Just data. Click to get it now. >> >>http://sourceforge.net/powerbar/db2/ >> >>_______________________________________________ >> >>Csound-devel mailing list >> >>Csound-devel@lists.sourceforge.net >> >>https://lists.sourceforge.net/lists/listinfo/csound-devel >> > >> >Victor Lazzarini >> >Music Technology Laboratory >> >Music Department >> >National University of Ireland, Maynooth >> > >> > >> >------------------------------------------------------------------------- >> >This SF.net email is sponsored by DB2 Express >> >Download DB2 Express C - the FREE version of DB2 express and take >> >control of your XML. No limits. Just data. Click to get it now. >> >http://sourceforge.net/powerbar/db2/ >> >_______________________________________________ >> >Csound-devel mailing list >> >Csound-devel@lists.sourceforge.net >> >https://lists.sourceforge.net/lists/listinfo/csound-devel >> >> >> >> >>------------------------------------------------------------------------- >>This SF.net email is sponsored by DB2 Express >>Download DB2 Express C - the FREE version of DB2 express and take >>control of your XML. No limits. Just data. Click to get it now. >>http://sourceforge.net/powerbar/db2/ >>_______________________________________________ >>Csound-devel mailing list >>Csound-devel@lists.sourceforge.net >>https://lists.sourceforge.net/lists/listinfo/csound-devel > >Victor Lazzarini >Music Technology Laboratory >Music Department >National University of Ireland, Maynooth > > >------------------------------------------------------------------------- >This SF.net email is sponsored by DB2 Express >Download DB2 Express C - the FREE version of DB2 express and take >control of your XML. No limits. Just data. Click to get it now. >http://sourceforge.net/powerbar/db2/ >_______________________________________________ >Csound-devel mailing list >Csound-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/csound-devel ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Csound-devel mailing list Csound-devel@lists.sourceforge.net

Date	2007-04-27 19:19
From	Anthony Kozar
Subject	Re: [Cs-dev] more than one string in an i-statement
	On MacOS 9, I have so far been unable to compile anything requiring Boost. (And I have tried to introduce OS 9 compatibility to some modules ...) Anthony Michael Gogins wrote on 4/27/07 11:17 AM: > Why? We have tons of dependencies already, and boost is pretty standard for > C++ development now. > > Regards, > Mike > > -----Original Message----- >> From: Victor Lazzarini >> Sent: Apr 27, 2007 11:13 AM >> To: Developer discussions >> Subject: Re: [Cs-dev] more than one string in an i-statement >> >> I would be against introducing a dependency on Boost to the >> csound core. ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Csound-devel mailing list Csound-devel@lists.sourceforge.net