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3044 discussions

benchmark in xenofarm
by Mirar ＠ Pike developers forum 13 Sep '03

13 Sep '03

Hm, would it be possible to benchmark at the end of the xenofarm build? It would be interesting to be able to see performance graph versus revision (time). :) (But maybe people don't want to spend the extra cpu-minute or so?)

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Pike on WinXP (native)
by Alexander Demenshin 13 Sep '03

13 Sep '03

Hi, Just tried to assemble, installed nt-tools, etc... Finally get trouble: configure: error: /bin/bash '/net/troll/E/pike-devel/7.4/src/modules/Gmp/configure' failed for Gmp Where to get GMP for win32 which will be recognized by Pike's configure? NB: If somebody curious - I just think that it might be useful if I install xenofarm client on WinXP... :) Regards, /Al

2 1

Mutex protection
by David Gourdelier 13 Sep '03

13 Sep '03

Hi again, I have another question regarding thread safe programming in Pike. If you have a global object m and that several threads can write to m->foo (where foo is a public variable of this object), then do you need to protect access to m->foo or the entire m object ? Is it the same if it is a mapping ? -- David Gourdelier

3 3

sdl
by Mirar ＠ Pike developers forum 10 Sep '03

10 Sep '03

I'm trying to get the SDL module running. At first, it didn't want to configure; when I tried to debug more specifically, it happily configured and built the SDL module, but it wont run: | > SDL; | Compiler Error: lib/modules/SDL.pmod:4:Illegal program pointer. | Compiler Error: 1:Undefined identifier "SDL". | > ___SDL; | Compiler Error: 1:Error resolving '___SDL'. | Compiler Exception: load_module("/usr/local/pike/7.5.12/lib/modules/___SDL.so") failed: /usr/local/pike/7.5.12/lib/modules/___SDL.so: undefined symbol: SDL_JoystickEventState | /usr/local/pike/7.5.12/lib/master.pike:741: | master()->low_findprog("/usr/local/pike/7.5.12/lib/modules | /___SDL",".so",Tools.Hilfe.StdinHilfe()->HilfeCompileHandl | er(),1) | /usr/local/pike/7.5.12/lib/master.pike:797: | master()->findprog("/usr/local/pike/7.5.12/lib/modules/___ | SDL","",Tools.Hilfe.StdinHilfe()->HilfeCompileHandler(),1) | /usr/local/pike/7.5.12/lib/master.pike:828: | master()->low_cast_to_program("/usr/local/pike/7.5.12/lib/ | modules/___SDL","/.",Tools.Hilfe.StdinHilfe()->HilfeCompil | eHandler(),1) | /usr/local/pike/7.5.12/lib/master.pike:1005: | master()->low_cast_to_object("/usr/local/pike/7.5.12/lib/m | odules/___SDL","/.",Tools.Hilfe.StdinHilfe()->HilfeCompile | Handler()) | /usr/local/pike/7.5.12/lib/master.pike:1471: | master()->findmodule("/usr/local/pike/7.5.12/lib/modules/_ | __SDL",Tools.Hilfe.StdinHilfe()->HilfeCompileHandler()) | /usr/local/pike/7.5.12/lib/master.pike:1726: | master()->resolv_base("___SDL","HilfeInput",Tools.Hilfe.St | dinHilfe()->HilfeCompileHandler()) | /usr/local/pike/7.5.12/lib/master.pike:1802: | master()->resolv("___SDL","HilfeInput",Tools.Hilfe.StdinHi | lfe()->HilfeCompileHandler()) Anyone who has an idea, or should I try to hunt it down? Looks like it doesn't link with libsdl to me, which seems odd... (Gentoo, libsdl-1.2.6.)

4 8

cvs problem?
by Alexander Demenshin 10 Sep '03

10 Sep '03

Hi, Just tried to pull 7.5 from CVS, finally got: cvs [server aborted]: unable to parse /cvs/Pike/7.5/src/threads.c,v; `state' not in the expected place Is it transient condition or some bug? Regards, /Al

2 1

Unicode bug?
by Martin Stjernholm, Roxen IS ＠ Pike developers forum 10 Sep '03

10 Sep '03

I noted something that looks like a bug in make_wordbits.pike in the Unicode module: At the end it adds an entry with: if( last_was ) { write( " {0x%06x-0x%06x}\n", last_was, c ); last_was=0; } I suspect it should be ',' instead of '-' between the numbers in the write() format there, or else the printed brace list ought to have another entry. Since I don't know anything at all about how this structure is used I haven't checked in a fix.

1 0

generate pike code from uml?
by Martin Baehr 07 Sep '03

07 Sep '03

hi, a group of students here is working on a project that involves sTeam. they are using uml and they would like to generate pike code from it, has anything like this been attemted yet? greetings, martin.

2 1

Language comparisions
by Martin Nilsson (ja till euro, nej till cent) ＠ Pike (-) developers forum 05 Sep '03

05 Sep '03

I have spent the day adding a Pike column to some more language comparisions on the net, and thought it wise to save some info on where Pike failed: Python and Perl has a three way (</=/>) comparision function "cmp". Should Pike have one, and where? Pliant has a four way (</=/>/not comparable) comparision function "compare". Should Pike that instead or at all? Should we make an eval function like most other languages. mixed eval(string x) { return compile_string("mixed foo(){ "+x+";}")()->foo(); } Should we have an identity function for the fun of it (Haskell has id and Smalltalk has yourself)? Should upper_case and lower_case be able to operate on integers (chars)? Should we add Array.shift and Array.pop to remove elements in either end of the Array? Should we add Array.zip and Array.unzip to merge and split arrays. Should we add Array.partition that splits an array into two (like filter with two outputs)? Should we add Array.exists/any to determine if at least one element satisfies a criterion and Array.every/all to determine if the all are? Should we add the possibility to define default values for types, e.g. typedef int myint = 7; Do we need a Math.divmod? Questions, questions...

9 28

foreach problem
by Martin Stjernholm, Roxen IS ＠ Pike developers forum 05 Sep '03

05 Sep '03

I was bit yesterday by a bug/misfeature in foreach regarding iterators. After getting the index and/or value from the iterator, it increments it before executing the loop code. I.e. the following will throw an error: String.Iterator iter = String.Iterator ("foo"); foreach (iter; int idx;) if (idx != iter->index()) error ("wtf?\n"); I consider it a bug and intend to change foreach so that the iterator is incremented after the loop instead. Unfortunately that change can have nasty effects in code that expects foreach to behave like this. I can either change it in 7.5 only and fix some #pike 7.4 compatibility goo, or I can "ignore" the compat issue and fix it in both 7.4 and 7.5. I'm actually inclined to do the latter, under the assumption that there still is very little code that use iterators this way (Grubbas new compiler is the only example I know). If it stays as it is in 7.4 it can be cumbersome to update code to 7.5. Not sure though if we can get away with pulling a stunt like that this long after the 7.4 release. Does anyone know of more code that depends on this foreach quirk?

5 14

Re: arrays in Java
by Mirar ＠ Pike developers forum 05 Sep '03

05 Sep '03

...while being too lazy to...

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