Re: [fpc-devel] I've asked this before, but perhaps I wasn't specific enough that time: what do I *personally*, specifically need to do to ensure that a native Windows 64-bit build winds up on the FPC

2022-01-13 Thread Alexander Grotewohl via fpc-devel
32bit on Windows 64-bit uses Wow64.. which has a bit of overhead as an emulation layer. I believe it's the same one they use for ARM64 too. I can only guess at how optimally it works performance-wise, but compiling a couple thousand-liner utils was annoying. You could (at least on the machine I

[fpc-devel] FreePascal WinLite and Galaxy Organizer

2021-05-03 Thread Alexander via fpc-devel
-free.ru/gorg_public_a_1.0001.7z Thank You, Alexander ___ fpc-devel maillist - fpc-devel@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel

Re: [fpc-devel] function GetCurrentThreadId vs variable ThreadID

2021-03-28 Thread Alexander Grotewohl via fpc-devel
looks like threadid is assigned to getcurrentthreadid in an initthread() function in thread.inc. but: getcurrentthreadid looks to be mapped to a changeable thread manager which is why that might seem weird in the docs.. -- Alexander Grotewohl https://dcclost.com

Re: [fpc-devel] Might need some help with this one

2020-11-27 Thread Alexander Grotewohl via fpc-devel
"break" is a windows built-in. explains the first attempt. -- Alexander Grotewohl https://dcclost.com From: fpc-devel on behalf of Tomas Hajny via fpc-devel Sent: Friday, November 27, 2020 11:16:26 AM To: FPC developers' list Cc: Tomas Hajny Su

Re: [fpc-devel] Problems building on i386-win32

2020-11-26 Thread Alexander Bunakov via fpc-devel
is needed to compile. -- Regards, Alexander ___ fpc-devel maillist - fpc-devel@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel

Re: [fpc-devel] Problems building on i386-win32

2020-11-26 Thread Alexander Bunakov via fpc-devel
"make all install OS_TARGET=win32 CPU_TARGET=i386 FPC=C:\FPC\3.2.0\bin\i386-win32\fpc.exe" (since my machine is 64-bit Windows) Just now successfully compiled both i386-win32 and x86_64-win64 from trunk r47572 with release FPC 3.2.0. -- Regards,

Re: [fpc-devel] Compiler message colour scheme

2020-11-22 Thread Alexander Grotewohl via fpc-devel
[0;3'+ansi_colors[fg]+';4'+ansi_colors[bg]+'m'+s+#27+'[0m'; writeln(tmp); end; begin PrintColor(2, 0, 'derp'); end. Easy enough to remember pascal style color numbers. -- Alexander Grotewohl https://dcclost.com From: fpc-

Re: [fpc-devel] Binary size discrepancy with -a

2020-07-18 Thread Alexander Grotewohl
would -a disable optimizations? i guess it'd depend on the intended use of the listings it generated -- Alexander Grotewohl https://dcclost.com From: fpc-devel on behalf of J. Gareth Moreton Sent: Saturday, July 18, 2020 11:09:29 PM To: FPC developers&

Re: [fpc-devel] Windows Console App

2020-04-26 Thread Alexander Grotewohl
you're not using the crt unit are you? first because i think it doesn't support utf8 and second because i think you can cause this by doing "if keypressed.." without then doing readkey before exit. -- Alexander Grotewohl https://dcclost.com

Re: [fpc-devel] FPC now supports Windows 33-bit

2020-04-22 Thread Alexander Grotewohl
Congrats to the FPC team for being a bit above the rest ;) -- Alexander Grotewohl https://dcclost.com From: fpc-devel on behalf of Bart via fpc-devel Sent: Wednesday, April 22, 2020 4:21:03 PM To: fpc-devel Cc: Bart Subject: [fpc-devel] FPC now supports

Re: [fpc-devel] Possible error in generated code for arm?

2020-04-22 Thread Alexander Grotewohl
same.. lol -- Alexander Grotewohl https://dcclost.com From: fpc-devel on behalf of Michael Ring via fpc-devel Sent: Wednesday, April 22, 2020 8:21:55 AM To: fpc-devel@lists.freepascal.org Cc: Michael Ring Subject: Re: [fpc-devel] Possible error in generated

Re: [fpc-devel] Possible error in generated code for arm?

2020-04-21 Thread Alexander Grotewohl
t are you also providing other memory functions, for example to allocate? Is it passing a valid pointer back (one that eventually gets to memset)? Just a bit of a brainstorm.. sorry if I've oversimplified or missed the mark entirely :) -- Alexander Grotewohl https://d

Re: [fpc-devel] Possible bug in fpc_round_real for softfloat?

2020-02-19 Thread Alexander Hofmann via fpc-devel
Hi, Am 19.02.20 um 09:08 schrieb thaddy: > Raspberry Pi, what OS, because you write armsf and the default on > Raspbian (and other major distro's) is armhf. Raspbian, which is armhf, yes. The application is based on the hard-float ABI (just checked with readelf -h). Still it is using the soft-fl

[fpc-devel] Possible bug in fpc_round_real for softfloat?

2020-02-18 Thread Alexander Hofmann via fpc-devel
Dear all, while investigating a bug in an application designed for ARM with floating point emulation enabled, I stumbled upon the following problem: When rounding large numbers to int64, some actually get rounded to something negative, e.g:  round(1.5000E+018) => 150

Re: [fpc-devel] Windows 32bit - FPC 3.0.4 Gets an Error - but not on Linux or Mac...

2019-09-28 Thread Alexander Grotewohl
or maybe don't use the variable name "result" because it might point to the special delphi "result" var and not yours?--Alexander Grotewohlhttp://dcclost.comOn Sep 28, 2019 4:15 PM, Alexander Grotewohl wrote:don't know off the top of my head but does the ord() bit se

Re: [fpc-devel] Windows 32bit - FPC 3.0.4 Gets an Error - but not on Linux or Mac...

2019-09-28 Thread Alexander Grotewohl
wrong.--Alexander Grotewohlhttp://dcclost.comOn Sep 28, 2019 3:21 PM, Ozz Nixon wrote:When I evaluate the code - it is perfect. However, when I run the code, it raises a SIGSEGV - Segmentation fault. Yet, the code runs perfectly on Linux 64bit machine, and Mac

Re: [fpc-devel] Case else allows multiple statements

2019-09-19 Thread Alexander Grotewohl
I'm assuming that's what the 'statementlist' means in the documentation (rather than just 'statement') On 9/19/2019 3:33 PM, Sven Barth via fpc-devel wrote: Am 19.09.2019 um 21:07 schrieb Kirinn: I've stumbled on a situation where a case statement compiles when I wouldn't expect it to. I would

Re: [fpc-devel] Object upgrades (new)

2019-06-16 Thread Alexander Grotewohl
I miss the sushi in Japan too my dude.--Alexander Grotewohlhttp://dcclost.comOn Jun 16, 2019 6:44 PM, Ryan Joseph wrote: > On Jun 16, 2019, at 6:00 PM, Benito van der Zander wrote: > > Objects are much more useful than classes or records Now that’s an inflammatory statement! :) But ser

Re: [fpc-devel] Test

2019-06-15 Thread Alexander Grotewohl
It seems to be working tho--Alexander Grotewohlhttp://dcclost.com___ fpc-devel maillist - fpc-devel@lists.freepascal.org https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel

Re: [fpc-devel] When will the next version of FPC be released?

2019-05-31 Thread Alexander Grotewohl
can't you just use an untyped parameter in a clearmem procedure you make yourself?procedure ClearMem(var m);--Alexander Grotewohlhttp://dcclost.com___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/cgi-bin/ma

[fpc-devel] finalization

2019-01-22 Thread Alexander via fpc-devel
} { Unit for playing melodys on PC-Speaker. For GNU/Linux 64 bit version. Root priveleges needed. Written on FreePascal. Copyright (C) 2019 Artyomov Alexander This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public

Re: [fpc-devel] How do I go about volunteering as a "release builder", so that we can get rid of the objectively untrue, misleadingly worded "There is no native compiler available for x86_64 Win64. Yo

2018-11-04 Thread Alexander Grotewohl
Not to mention the users who pick up FPC and have to port what they've previously learned. That information is useful even if the code isn't already written. On 11/4/2018 7:41 AM, wkitt...@windstream.net wrote: On 11/3/18 7:09 PM, Ben Grasset wrote: (The same could be said about the various

Re: [fpc-devel] Graphical RAD IDE in FPC

2018-09-17 Thread Alexander via fpc-devel
Windows. I known cross-platform method, but say not about it. For GNU/Linux need RAD IDE coincide power and possibles. This **systems** not equal. On Mon, 17 Sep 2018 08:53:23 -0700 Ralf Quint wrote: > On 9/17/2018 6:08 AM, Alexander via fpc-devel wrote: > > Why not allowed ? &g

Re: [fpc-devel] Graphical RAD IDE in FPC

2018-09-17 Thread Alexander via fpc-devel
. On Mon, 17 Sep 2018 14:21:54 +0200 Martin Schreiber wrote: > Hi Alexander, > > It is not allowed to discuss MSEide+MSEgui themes here. I will answer on the > MSEide+MSEgui mailing list: > > https://sourceforge.net/projects/mseide-msegui/lists/mseide-msegui-talk > Archiv

Re: [fpc-devel] Graphical RAD IDE in FPC

2018-09-17 Thread Alexander via fpc-devel
** issues ? On nonfree drivers delays minimized and MSE have time for display img ? Incorrect architecture for xorg ? On Mon, 17 Sep 2018 08:46:08 +0200 Martin Schreiber wrote: > On Monday 17 September 2018 05:51:17 Alexander via fpc-devel wrote: > > > I try use of MSEide,gui before

Re: [fpc-devel] Graphical RAD IDE in FPC

2018-09-16 Thread Alexander via fpc-devel
On Mon, 17 Sep 2018 07:52:24 +0200 Sven Barth via fpc-devel wrote: > Alexander via fpc-devel schrieb am Mo., > 17. Sep. 2018, 07:20: > > > Lasarus use non native for FPC widgets, MSE non stable work. > > > > Huh? Please explain that. Lazarus is *the* example for

[fpc-devel] Graphical RAD IDE in FPC

2018-09-16 Thread Alexander via fpc-devel
plete. By rework/combine exist IDEs or made new RAD IDE especially for GNU/Linux. Good Luck, Alexander. ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel

Re: [fpc-devel] Case of string

2018-04-26 Thread Alexander Klenin
unexpected to the programmer, but to me this indicates > using ranges with case of string is a bit dangerous. > > The trunk behaviour makes no sense to me at all. > > Is this a bug, or was it changed by design? > If the latter, why? > Since I was involved in the design and imple

Re: [fpc-devel] Dangerous optimization in CASE..OF

2018-04-21 Thread Alexander Grotewohl
To be honest I agree with what he's saying. We're bending enums to do things normal people just wouldn't (and shouldn't) do. And seriously, "Delphi, Delphi, Delphi!" .. why don't we strive for something a little better and make the people porting from Delphi bend a little this way than us thei

Re: [fpc-devel] Wrong docs: not initialized global variables

2018-04-05 Thread Alexander Klenin
concrete user experience. This is IMHO a significant contributing factor of Pascal decline. I would not argue this specific point (although I quite agree with Ondrej), I just want to remind that the cost in terms of diminishing userbase is real, and that makes me sad. -- Alexander S. Klenin _

Re: [fpc-devel] Wrong docs: not initialized global variables

2018-04-04 Thread Alexander Grotewohl
https://www.freepascal.org/docs-html/ref/refse20.html#x50-680003.9 On 04/04/2018 01:32 PM, Ondrej Pokorny wrote: On 04.04.2018 18:53, Jonas Maebe wrote: On 04/04/18 18:44, Ondrej Pokorny wrote: I want to stress that the compiler emits a warning on code that does not have (and also cannot have

Re: [fpc-devel] Multiple variable initialization - YES

2018-04-02 Thread Alexander Grotewohl
uses SysUtils; // inttostr procedure blank(a: array of pointer); var   i: longint; begin   for i:=low(a) to high(a) do // string(a[i]^):=''; string(a[i]^):='silly ~~~ '+IntToStr(i); end; var   s, i, l, {l,} y: string; begin   blank([@s, @i, @l, {@l,} @y]);   writeln(s); writeln(i)

Re: [fpc-devel] Multiple variable initialization

2018-03-24 Thread Alexander Grotewohl
It sounds more like you're making a case for all integers to be initialized to zero by default. I still fail to see any practical uses other than wanting to not type "integer" twice. Alex On 03/24/2018 11:20 AM, Ondrej Pokorny wrote: On 24.03.2018 15:46, Alexander Grotewohl w

Re: [fpc-devel] Delphi anonymous methods

2013-03-07 Thread Alexander Shishkin
03.03.2013 2:22, Sven Barth пишет: On 02.03.2013 20:55, Sven Barth wrote: Also there are open questions which require brainstorm: 1. Does Pascal needs other implementation of closures which is different from anonymous methods implementation? I would say no. After all the method implementation

Re: [fpc-devel] Pass compiler options to generics [was Delphi anonymous methods]

2013-03-06 Thread Alexander Klenin
On Wed, Mar 6, 2013 at 10:00 PM, Michael Schnell wrote: > On 03/05/2013 05:17 PM, Alexander Klenin wrote: >> >> 1) Make sure "is" and "as" work with generic types -- maybe they already >> are? > > "is" the generic type and/or "i

Re: [fpc-devel] Pass compiler options to generics [was Delphi anonymous methods]

2013-03-05 Thread Alexander Klenin
venient" types, and use inheritance to factor out common code. 3) Implement partial specialization, in C++ style -- fundamental solution, but perhaps an overkill in the light of the above. -- Alexander S. Klenin ___ fpc-devel mailli

Re: [fpc-devel] Delphi anonymous methods

2013-03-05 Thread Alexander Klenin
ting) Is not "specialize" keyword there to prevent exactly this? > specialize SomeType with (Something) I would like to propose a modification to one of the principles we brought up in this thread: "prefer keywords to punctuation ... but not to the point of

Re: [fpc-devel] Delphi anonymous methods

2013-03-05 Thread Alexander Klenin
ow why on earth the "sane" objFPC syntax still have those angle brackets instead of normal round ones? -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] Delphi anonymous methods

2013-03-05 Thread Alexander Klenin
>> syntax is a nightmare to parse. > > But you need to anyway because of mode delphi, so what is the point? It is hard to parse for humans as well as for the compiler. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.fr

Re: [fpc-devel] Delphi anonymous methods

2013-03-05 Thread Alexander Klenin
extension may continue while the implementation of (1) and (2) is in progress. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] Delphi anonymous methods

2013-03-04 Thread Alexander Klenin
On Tue, Mar 5, 2013 at 3:34 AM, Martin wrote: > On 04/03/2013 16:05, Alexander Klenin wrote: >> >> Anonymous functions (with good syntax, of course) fall in this category. >> The world recognized that fact -- rather slowly, to be sure, but >> remember that "while&q

Re: [fpc-devel] Delphi anonymous methods

2013-03-04 Thread Alexander Klenin
gnment, since ATree.VisitPreorder(TVisitor(X + 5)); is syntactically ambiguous. So it becomes ATree.VisitPreorder(TVisitor(Result := X + 5)); vs ATree.VisitPreorder(lambda TVisitor as X + 5); Finally, I disagree with unbalanced parenthesis -- but that's probably a typo? -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] Delphi anonymous methods

2013-03-04 Thread Alexander Klenin
a: http://en.wikipedia.org/wiki/Ada_(programming_language)#.22Hello.2C_world.21.22_in_Ada -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] Delphi anonymous methods

2013-03-04 Thread Alexander Klenin
t. > I dare you to propose a new movement or a new piece, and see how the chess > community reacts. With enthusiasm. See http://en.wikipedia.org/wiki/Chess_variant -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] Delphi anonymous methods

2013-03-04 Thread Alexander Klenin
th "lambda" and "as" syntax: ATree.VisitPreorder(lambda TVisitor as X + 5); Now, my argument is that (2) does indeed have only a marginal advantage over (1), but (4) is powerful enough to really make functional-style programming practically useful (as opposed to theoretica

Re: [fpc-devel] Delphi anonymous methods

2013-03-04 Thread Alexander Klenin
*named* closure too Also, Boian, I appreciate your enthusiasm very much, but please read this thread from the start -- the implementation details you mention are extensively described in the documents linked from the first message. -- Alexander S. Klenin

Re: [fpc-devel] Delphi anonymous methods

2013-03-03 Thread Alexander Klenin
ymous procedure, or intelligent enough optimizer to do that automatically. I have some ideas on both fronts, but I suggest we first discuss previous points. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] Delphi anonymous methods

2013-03-03 Thread Alexander Klenin
entClass; ); P. S. Boian, could you please stop top-posting and splitting your thoughts into so many emails? It will make discussion much easier to follow. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.or

Re: [fpc-devel] Delphi anonymous methods

2013-03-03 Thread Alexander Klenin
to the language at various stages of its development -- some at the inception, some later. Now, that does not mean that a particular Delphi implementation of some features is optimal, and we do discuss options in this thread. -- Alexander S. Klenin ___ fpc-d

Re: [fpc-devel] Delphi anonymous methods

2013-03-03 Thread Alexander Klenin
agree with the plan. But I am not sure about the order -- perhaps implement Delphi-compatible variant first, since it have to be done anyway, and there is already a spec for it. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepasc

Re: [fpc-devel] Summer of code collaboration

2013-02-10 Thread Alexander Klenin
kname "mbait"). I am not suitable to the role of mentor in GSoC sense, since I am not committer to either of these projects, but I still can provide some help to my students, if they choose to participate. -- Alexander S. Klenin ___ fpc-devel

Re: [fpc-devel] Feature announcement: Type helpers

2013-02-06 Thread Alexander Klenin
l, tuples will not be a type, so you'll have to force a type by constructor: s := TPoint(x,y).ToString; or, as it is currently, by a special function: s := Point(x,y).ToString; -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepa

Re: [fpc-devel] Testsuite database

2013-02-02 Thread Alexander Klenin
On Sat, Feb 2, 2013 at 7:42 PM, Nikolai Zhubr wrote: > > Apparently the test suite database needs some love? Wow, I did not even know such a thing existed! How is it populated? -- Alexander S. Klenin ___ fpc-devel maillist - fpc

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-28 Thread Alexander Klenin
icated IMO: > if f(x, res) then ... > has to be rewritten as > res, error := f(x); //or: (res,error) := f(x);? > if error then ... That depends on the type or err > That's why I wonder about yet another syntax proposal. Your proposal > *requires* that a record/tu

Re: [fpc-devel] for-in-index loop

2013-01-28 Thread Alexander Klenin
ry layout without VMT. Oops... so, FPC "object" type always creates VMT -- even if there is no virtual methods? -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
; "records without field names". > > I'm not sure what you exactly mean. In my proposal, that tuples are nothing > but records, it's immediately clear whether and how every syntax extension > can be implemented. Any "decoupling" risks to run into dead ends, because > the implementation efforts are unpredictable. I mean not decoupling of records, just of suggestion to allow defining record types without field names. > It would help a lot in understanding your ideas, when you mention the > record-based implementation for every proposed syntax extension. Will try -- I thought implementation was obvious (which does not mean it is easy, of course). -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
nstructors). So I would much prefer TIntegerDynArray(1, 2, 3), TIntegerDynArray([1, 2, 3]), or maybe even just [1, 2, 3] if appropriate automatic conversions are defined. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
On Mon, Jan 28, 2013 at 2:59 AM, Michael Van Canneyt wrote: > > > On Mon, 28 Jan 2013, Alexander Klenin wrote: >> I have a compromise suggestion: >> Implement for-index extension with the syntax: >> for (k, v) in a do >> this syntax is forward-compatible with bo

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
interface with optional property CurrentWithKey: TValueKey where TValueKey must be a record of two (or perhaps even more) fields. for k, v in a do will call CurrentWithKey for each item, assign first field to k, second -- to v. When/if tuples will be introduced, no change will be needed here. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
number of magic operators, since it unifies the meaning of comma-in-parameter-list, comma-in-open-array and comma-in-array-index to be the same comma-in-tuple. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
quired) and will give immediate benefit regardless of outcome of larger discussion. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
atter of taste, and while I, by definition, think that my taste is best of all, I'm quite aware that others may disagree with that :) I'd just like to restate that, IMO, not much is gained by writing TKeyValye = tuple (String, Integer); // Sven's variant vs TKeyValue = record key

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
if the expression becomes complex, programmes may add brackets -- as is already the case with other expressions. OTOH, this is the point I am willing to concede -- the difference is rather small. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-27 Thread Alexander Klenin
d be defined on array type. > IMO tuples are *abstract* templates (mathematical notation) for *concrete* > (record...) implementations. I see no need or purpose in the introduction of > such an abstract type into any concrete language, except when that languages > lacks an already exi

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-26 Thread Alexander Klenin
On Sun, Jan 27, 2013 at 12:11 PM, Alexander Klenin wrote: > Nothin useful is gained by abbing extra pair of brackets. Sorry, I mean "Nothing useful is gained by adding ..." -- Alexander S. Klenin ___ fpc-devel maillist

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-26 Thread Alexander Klenin
tuple. As Sven pointed out, the main problem with that is that expression type now suddenly depends on context, which is quite a rare feature in programming languages, and is probably much bugger change to Pascal than this whole tuple business. OTOH, define Tuple(x, 5) to mean (x, x,

Re: [fpc-devel] RFC: Support for new type "tuple" v0.1

2013-01-26 Thread Alexander Klenin
y list (most importantly generics once type helpers > are commited), so Alexander is free to give the task for implementation to > his student. > Heh, I have started to write similar in form, but different in substance proposal, but needed some sleep, and you have beaten me to it :) I want to

Re: Anonymous procedures (Was: Re: [fpc-devel] for-in-index loop)

2013-01-26 Thread Alexander Klenin
On Sun, Jan 27, 2013 at 3:51 AM, Marco van de Voort wrote: > In our previous episode, Alexander Klenin said: >> > >> > Please take a look at this: >> > http://blog.barrkel.com/2010/01/using-anonymous-methods-in-method.html >> >> While this article

Re: Anonymous procedures (Was: Re: [fpc-devel] for-in-index loop)

2013-01-26 Thread Alexander Klenin
On Sun, Jan 27, 2013 at 3:10 AM, Sven Barth wrote: > On 26.01.2013 16:34, Alexander Klenin wrote: >> Ok, then let's take just one step back: >> SomeProc(lambda TProc1 as Writeln(aArg)); >> >> This way, but problems are solved -- procedure type is specified >>

Re: [fpc-devel] for-in-index loop

2013-01-26 Thread Alexander Klenin
he same value is particularly important compared to the general case of mass-assignment of arbitrary values. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: Anonymous procedures (Was: Re: [fpc-devel] for-in-index loop)

2013-01-26 Thread Alexander Klenin
ay, I suspect the cost will be negligible, especially with the help of clever enough optimizer. Further, after that, since all events will become object instances anyway, C#-style event stacking may become feasible, replacing rather cumbersome hand-made chainin

Re: Anonymous procedures (Was: Re: [fpc-devel] for-in-index loop)

2013-01-26 Thread Alexander Klenin
On Sat, Jan 26, 2013 at 8:31 PM, Sven Barth wrote: > On 25.01.2013 23:57, Alexander Klenin wrote: >> You have also proposed lambda-expressions: >>> >>> map.Iterate(lambda TFPGMapLongInt.TIteratorProc(aKey, aData) as >>> Writeln(aKey, ' => ', aDat

Re: Anonymous procedures (Was: Re: [fpc-devel] for-in-index loop)

2013-01-26 Thread Alexander Klenin
On Sun, Jan 27, 2013 at 12:26 AM, Paul Ishenin wrote: > 26.01.13, 6:57, Alexander Klenin пишет: > > Why to invent a new solution if Delphi already have one: > http://docs.embarcadero.com/products/rad_studio/delphiAndcpp2009/HelpUpdate2/EN/html/devcommon/anonymousmethods_xml.html >

Re: [fpc-devel] for-in-index loop

2013-01-26 Thread Alexander Klenin
On Sat, Jan 26, 2013 at 3:14 PM, Hans-Peter Diettrich wrote: > Alexander Klenin schrieb: >> 2) Indeed, introducing tuples to Pascal might be an alternative >> solution. Below is a proposal: >> 2.1) Tuple definition. Tuple is an anonymous list of values, possibly >> of

Re: [fpc-devel] for-in-index loop

2013-01-26 Thread Alexander Klenin
ay; ProcWithmanyParams(@@p); ... etc unfortunately, this will also require for @@(v, i) in a do which is not nice. Another possibility is to resolve single element in brackets in favor of a simple value, and require explicit call to Tuple to disambiguate -- single-element tuples are useless anywa

Re: [fpc-devel] for-in-index loop

2013-01-26 Thread Alexander Klenin
w aka "for-key-in", will became a proper subset of it. What do you think? -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-26 Thread Alexander Klenin
t when >> using generics. > > Ah! So that is where those ifdefs in classes come from :) I always > wondered... > Is the drop still present/essential? Perhaps optimizer is now good enough to drop those ifdefs? -- Alexander S. Klenin __

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
ot its generics from .NET. The .NET compiler got it one version > earlier. (D2007, native D2009) > > Probably the main reason for generics was access the 2.0 framework which was > new (and used generics) going from D2006 to D2007 Quite probably, but that is still no reason for a

Anonymous procedures (Was: Re: [fpc-devel] for-in-index loop)

2013-01-25 Thread Alexander Klenin
ce" for so frequent usage. A global generic functions (they are planned anyway, aren't they?) will be sufficient: Iterate :map :lambda Writeln(aKey, ' => ', aData.ClassName); end; -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
TFPGListLongInt = specialize TFPGList with (Integer); > Whatever the particular syntax, I do agree that the decision to use angular brackets was unnecessarily copied from C++ -- round ones (or, at least, square ones) would be much better. -- Alexander S. Klenin

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
thing it. Still, if my proposal would be implemented, it is will also become possible in FPC to allow anonymous records as return types -- the user will have to use tuples to deconstruct them. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
posal could be better. In my defense I could say that it is still better than for (almost?) any other feature implemented in the last couple of years. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepasc

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
rence only. User-defined iterators may return records with fields (value, key). In the case of for v in a v may now be either a record or just a value, depending on the type. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
is could be useful for STL sets for v key i in a do // new keyword = bad > and is completely unlike any existing language idioms. Do you mean idioms existing in Pascal, or general language idioms? -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
-- but I hope it demonstrates unambiguously the popularity of the feature. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
On Sat, Jan 26, 2013 at 5:30 AM, Florian Klämpfl wrote: > Am 25.01.2013 18:17, schrieb Alexander Klenin: >>> Using indicies is against all principles of iterators. >> I am not sure what princilpes you are talking about, > > The theory of iterators. You mean Alexande

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
> // on a sidenote: what about a TDataSet enumerator? :) It is not clear what should loop variable contain: for v in MyDataSet do ... -- what is v? -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
e is a lack of a key. The fundamentalistic view then says we > should not have for-in in Pascal, because it changes the fundamental > property of a for-loop. "fundamentalistic" is a right word here. > For pragmantic reasons the for-in syn

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
, by contrast, is so simple that any 12-year old can > get it. Actually, I do teach young students (12 years old is somewhat too young, but 13-14 is usual). I can tell you they have *more* trouble with Pascal style of loop with indexing as compared to Python's for-each with index. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
uot;traditional" form of loop is not even possible. 4) If there is no uniform method for iterating over containers, then each container will define its own method, with the end result that the language will be *more* complex for the user, who will have to remember all these methods. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-25 Thread Alexander Klenin
en the first one, regardless of the fact that is uses "simpler" language. And yes, I have code for the second example in my working copy of improved fcl-stl. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
On Fri, Jan 25, 2013 at 10:38 AM, Graeme Geldenhuys wrote: > On 01/24/13 23:26, Alexander Klenin wrote: >>>>> If you want full fledged iterators, use classes. >>>> >>>> Please provide example of your suggestion for the case in the wiki. >>> >

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
On Fri, Jan 25, 2013 at 10:13 AM, Graeme Geldenhuys wrote: > On 01/24/13 19:36, Alexander Klenin wrote: >>> Enumerators are not iterators. >> Eh... actually, they are? Why do you think otherwise? > > Enumerators are limited in functionality. Iterators are the full-blown

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
It only for for-in last year, in the latest version of the standard. I think it is reasonable to assume that next version of C++ might include "for-in-index" syntax. Unfortunately, I also think it is reasonable to estimate the timeframe for that version as 5-7 years at least. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
On Fri, Jan 25, 2013 at 8:44 AM, Florian Klämpfl wrote: > Am 24.01.2013 22:26, schrieb Alexander Klenin: >> in all three cases, the effect will be more-or-less the same. > > In the first two cases the programmer knows that he does something > strange, actually he can even adju

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
x27; ', c); DeleteSomePartOfS; i += 1; end; for c in s index i do begin Writeln(i, ' ', c); DeleteSomePartOfS; end; in all three cases, the effect will be more-or-less the same. (Actually, my testing demonstrated that for-in loop does NOT cause a

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
that guideline. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
On Fri, Jan 25, 2013 at 7:30 AM, Florian Klämpfl wrote: > Am 24.01.2013 20:36, schrieb Alexander Klenin: >> That's debatable. > > As long as there is only some few line idea, there cannot debated much. It is more: an idea with implementation and tests ;) > Just an examp

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
not then the for loop can only behave as current for in loops. > Of course. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

Re: [fpc-devel] for-in-index loop

2013-01-24 Thread Alexander Klenin
n for the case in the wiki. -- Alexander S. Klenin ___ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel

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