[Lazarus] Debug string variant
Hi, I have string variant and while debugging I want to get its value but if I add a watch for it and copy value from Watch list it copy only first 255 character,How can I get full value? Regards, Ara -- http://www.fastmail.com - A fast, anti-spam email service. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Debug string variant
On 11/03/2015 16:01, aradeonas wrote: Hi, I have string variant and while debugging I want to get its value but if I add a watch for it and copy value from Watch list it copy only first 255 character,How can I get full value? Looks like a bug (I get the same problem here, and it is not about settnigs. (There is a settng cetting at 2500 chars, in Tools, Options , debugger look through the property grid.) Please report on the bugtracker. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] Add a MenuItem to a menu dynamically - OnClick: wrong number parameters
Hello, Wrong number parameters specified for call to MyPopup This example works in Delphi but not in Lazarus, what are parameters ? procedure TForm1.Button1Click(Sender: TObject); var MyItem,MySubItem1: TMenuItem; Num: Integer; begin Inc(Num); MyItem:=TMenuItem.Create(Self); MySubItem1:=TMenuItem.Create(Self); MyItem.Caption:='Hello'+IntToStr(Num); MySubItem1.Caption:='Good Bye'+IntToStr(Num); MainMenu1.Items.Add(MyItem); MainMenu1.Items[0].Insert(num-1,MySubItem1); MyItem.OnClick:=MyPopUp; MySubItem1.OnClick:=MyPopUp; end; procedure TForm1.MyPopup(Sender: TObject); begin with Sender as TMenuItem do ShowMessage(Caption); end; -- Binho -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] [OT] Re: How to write an eficient lexical scanner/parser?
On 11/03/15 11:57, Mehmet Erol Sanliturk wrote: [...] When there is NO license information in your repositories , this means that NO one can use them . with respect to copy right laws or conventions . Pointer/Keyword/URL please? I presume for when it matters, one would ask the author first...? Thank you very much . Mehmet Erol Sanliturk el es -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Debug string variant
On 11/03/2015 16:33, Martin Frb wrote: On 11/03/2015 16:01, aradeonas wrote: Hi, I have string variant and while debugging I want to get its value but if I add a watch for it and copy value from Watch list it copy only first 255 character,How can I get full value? Looks like a bug (I get the same problem here, and it is not about settnigs. (There is a settng cetting at 2500 chars, in Tools, Options , debugger look through the property grid.) Please report on the bugtracker. Just checked. Use the evaluate/modify dialog. It shows the full length. If needed increase the 2500 in the options. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Add a MenuItem to a menu dynamically - OnClick: wrong number parameters
Add @ to procedure names: MyItem.OnClick:=@MyPopUp; MySubItem1.OnClick:=@MyPopUp; -- Felipe Monteiro de Carvalho -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
But why they aren't in one mode?I mean all the good stuff in one mode? Because some of them are intersecting: - Generics syntax in ObjFPC and Delphi mode are different - Integer = SmallInt in TP/FPC mode, but LongInt in ObjFPC/Delphi mode continue the list yourself by reading the docs -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-Choose-compiler-mode-tp4041075p4041094.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Add a MenuItem to a menu dynamically - OnClick: wrong number parameters
On 2015-03-11 16:39, Felipe Monteiro de Carvalho wrote:
MyItem.OnClick:=@MyPopUp;
MySubItem1.OnClick:=@MyPopUp;
More specifically... it depends of the compiler mode. Is the source code
shared between Lazarus and Delphi? If so you probably want to use the
delphi mode at the top of the unit. Then no @ prefix is required.
{$mode delphi}
If the code is Lazarus only, then you probably want the objfpc mode - at
which point you need to add the @ prefix to the event handler as quoted
above.
{$mode objfpc}
Regards,
- Graeme -
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Re: [Lazarus] Add a MenuItem to a menu dynamically - OnClick: wrong number parameters
Thank you !!! 2015-03-11 13:39 GMT-03:00 Felipe Monteiro de Carvalho felipemonteiro.carva...@gmail.com: Add @ to procedure names: MyItem.OnClick:=@MyPopUp; MySubItem1.OnClick:=@MyPopUp; -- Felipe Monteiro de Carvalho -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus -- Binho http://www.biatheski.com -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] How to write an eficient lexical scanner/parser?
When there is NO license information in your repositories , this means that NO one can use them . with respect to copy right laws or conventions . No idea with what's default by law or convention, but when I give no license, consider it public domain. -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-How-to-write-an-eficient-lexical-scanner-parser-tp4041002p4041093.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
Ok,Thank you. Ara On Wed, Mar 11, 2015, at 08:21 AM, leledumbo wrote: But why they aren't in one mode?I mean all the good stuff in one mode? Because some of them are intersecting: - Generics syntax in ObjFPC and Delphi mode are different - Integer = SmallInt in TP/FPC mode, but LongInt in ObjFPC/Delphi mode continue the list yourself by reading the docs -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-Choose-compiler-mode-tp4041075p4041094.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus -- http://www.fastmail.com - Faster than the air-speed velocity of an unladen european swallow -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
On Wed, 11 Mar 2015, Marco van de Voort wrote: On Wed, Mar 11, 2015 at 10:55:07AM +0100, Michael Van Canneyt wrote: ModeSwitch is interesting. But why they aren't in one mode?I mean all the good stuff in one mode? What is 'good stuff' ? That depends on the person. Also: you may want to control compatibility. If we added stuff that we think is fun, someone uses it in e.g. delphi mode without realizing Delphi doesn't support it, and suddenly his code no longer compiles in Delphi... Mode Delphi doesn't even try to enforce delphi compatibility, so IMHO that is a stretch. Please elaborate ? Michael. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] How to write an eficient lexical scanner/parser?
On Wed, Mar 11, 2015 at 12:13 PM, Virgo Pärna virgo.pa...@mail.ee wrote: On Wed, 11 Mar 2015 08:18:35 -0700 (MST), leledumbo leledumbo_c...@yahoo.co.id wrote: No idea with what's default by law or convention, but when I give no license, consider it public domain. By default author has copyright and sole right to redistribute. And that's what applies, when nothing else is declared. -- Virgo Pärna virgo.pa...@mail.ee -- ___ Yes , the correct understanding is the above sentence . Without explicit declaration , nothing can be assumed implicitly that is permitted , i.e. , permission requires to be explicit . Mehmet Erol Sanliturk -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
On Wed, Mar 11, 2015 at 10:55:07AM +0100, Michael Van Canneyt wrote: ModeSwitch is interesting. But why they aren't in one mode?I mean all the good stuff in one mode? What is 'good stuff' ? That depends on the person. Also: you may want to control compatibility. If we added stuff that we think is fun, someone uses it in e.g. delphi mode without realizing Delphi doesn't support it, and suddenly his code no longer compiles in Delphi... Mode Delphi doesn't even try to enforce delphi compatibility, so IMHO that is a stretch. I would welcome a setting to generate $mode delphi units by default. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] [OT] Re: How to write an eficient lexical scanner/parser?
On Wed, Mar 11, 2015 at 7:58 AM, Lukasz Sokol el.es...@gmail.com wrote: On 11/03/15 11:57, Mehmet Erol Sanliturk wrote: [...] When there is NO license information in your repositories , this means that NO one can use them . with respect to copy right laws or conventions . Pointer/Keyword/URL please? I presume for when it matters, one would ask the author first...? Thank you very much . Mehmet Erol Sanliturk el es -- ___ http://en.wikipedia.org/wiki/Copyright http://en.wikipedia.org/wiki/Copyright_infringement http://en.wikipedia.org/wiki/Public_domain http://en.wikipedia.org/wiki/Software_license http://en.wikipedia.org/wiki/Public_domain_software http://en.wikipedia.org/wiki/Software_copyright http://en.wikipedia.org/wiki/License-free_software Personal use is a different concept , because no one may know that a copy is used whether usage is permitted or not for a copyrighted work . Problem arises when Redistribution or ( Derivative works are Published ) . One is the following : http://www.acm.org/publications/policies/softwarecrnotice Some of these collected software published before a year in US , is in Public Domain in the US with respect to a law ( I do not remember the year exactly but it is around 1970 ) . ACM has denied this Public Domain concept by countering it with Copyright Law : More restrictive rules are effective even they ( restrictive and permissive ) are in the laws for the copyright holder . In summary , with respect to copyright laws ( there are minor differences in countries as related to Bern Convention agreement exceptions adopted ) anything is not explicitly mentioned is assumed to be not permitted . Mehmet Erol Sanliturk -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] How to write an eficient lexical scanner/parser?
On Wed, 11 Mar 2015 08:18:35 -0700 (MST), leledumbo leledumbo_c...@yahoo.co.id wrote: No idea with what's default by law or convention, but when I give no license, consider it public domain. By default author has copyright and sole right to redistribute. And that's what applies, when nothing else is declared. -- Virgo Pärna virgo.pa...@mail.ee -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] How to write an eficient lexical scanner/parser?
leledumbo wrote: When there is NO license information in your repositories , this means that NO one can use them . with respect to copy right laws or conventions . No idea with what's default by law or convention, but when I give no license, consider it public domain. I'd imagine that application of the law would vary depending on jurisdiction, and it might be unintentionally affected by the stated policy of wherever the files are posted. However the /correct/ thing to do would be to look at the import list and to adopt whatever license is implied by the libraries and documentation sources that are referenced. If a body of code imports (only) libraries which conform to any of the recognised free (as in speech) licenses, then an unqualified no one can use them is not a reasonable conclusion. -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Debug string variant
Thanks I found it. Debugging is what I miss from Delphi,With Delphi its just piece of cake. You can use lens button (left of properties button in watch list form) but it doesn't support Ctrl-A. Thank you for your help, Ara On Wed, Mar 11, 2015, at 09:40 AM, Martin Frb wrote: On 11/03/2015 16:33, Martin Frb wrote: On 11/03/2015 16:01, aradeonas wrote: Hi, I have string variant and while debugging I want to get its value but if I add a watch for it and copy value from Watch list it copy only first 255 character,How can I get full value? Looks like a bug (I get the same problem here, and it is not about settnigs. (There is a settng cetting at 2500 chars, in Tools, Options , debugger look through the property grid.) Please report on the bugtracker. Just checked. Use the evaluate/modify dialog. It shows the full length. If needed increase the 2500 in the options. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus -- http://www.fastmail.com - A no graphics, no pop-ups email service -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] HTML on clipboard
G'day, Just found this code on the wiki... http://wiki.lazarus.freepascal.org/Office_Automation#Copy_HTML_to_the_clipboard On Windows with Microsoft products at least, this doesn't work... What's required is more complex: https://msdn.microsoft.com/en-us/library/aa767917%28v=vs.85%29.aspx However, I can't see that code being posted onto the wiki without testing, so before I correct the wiki, I'd like to know under what conditions the wiki code is good for... I think it was Mattias that submitted that code to the wiki... Mattias: Do you know or remember which platforms and applications that code worked with? I'm thinking that the code on the wiki is probably good for Linux and possibly Mac, and am just looking for confirmation before I update the wiki... Cheers Mike -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
On Wed, 11 Mar 2015 21:32:51 +0100
Marco van de Voort mar...@stack.nl wrote:
[...]
I would welcome a setting to generate $mode delphi units by default.
If you mean in Lazarus:
Project Options / Compiler Options / Parsing Syntax Mode
Set this to Delphi. When you create a new unit it creates {$mode
delphi}.
Mattias
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Re: [Lazarus] HTML on clipboard
Mattias Gaertner nc-gaert...@netcologne.de wrote: Michael Thompson mike.cornfl...@gmail.com wrote: Mattias: Do you know or remember which platforms and applications that code worked with? AFAIR an example is Linux, OpenOffice. I don't know if OO still supports this. Sweet. I've left the original code in as a quick google shows at least several python libraries out there that use the the 'text/html' mime on the clipboard as well, so there's possibly more targets than just OO. Thanks for the quick reply. Mike -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] HTML on clipboard
On Thu, 12 Mar 2015 11:11:55 +1300 Michael Thompson mike.cornfl...@gmail.com wrote: G'day, Just found this code on the wiki... http://wiki.lazarus.freepascal.org/Office_Automation#Copy_HTML_to_the_clipboard On Windows with Microsoft products at least, this doesn't work... What's required is more complex: https://msdn.microsoft.com/en-us/library/aa767917%28v=vs.85%29.aspx However, I can't see that code being posted onto the wiki without testing, so before I correct the wiki, I'd like to know under what conditions the wiki code is good for... I think it was Mattias that submitted that code to the wiki... Mattias: Do you know or remember which platforms and applications that code worked with? AFAIR an example is Linux, OpenOffice. I don't know if OO still supports this. I'm thinking that the code on the wiki is probably good for Linux and possibly Mac, and am just looking for confirmation before I update the wiki... Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Compare record
Am 2015-03-10 um 22:23 schrieb aradeonas:
How can I compare two record?
Like this :
type
TRec=record
na:string;
end;
var
R1,R2:TRec;
Begin
R1.na:='A';
R2.na:='B';
if R1R2 then
Showmessage('Error')
In your example you would not need the record
if it consists of only one string component.
But you can write:
if R1.naR2.na then
Showmessage('Error')
In general there cannot be a standard
compare function for records because
you can have a lot of different types
within a record. So you need to write
your own compare function.
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[Lazarus] Choose compiler mode
Hi, After times I used Lazarus I still have a question about compiler mode. Why there is 5 mode?What can I do when I want objfpc mode benefits that is Lazarus default but for example I want advanced record syntax that can used with Delphi mode? Can any one explain it to me or link me to a source? Regards, Ara -- http://www.fastmail.com - IMAP accessible web-mail -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Compare record
Thank you Jürgen,That is just a example but Its good to know there is
now way.
Thank you Sven for examples.I didn't know about advanced record support.
Regards,
Ara
On Tue, Mar 10, 2015, at 11:43 PM, Sven Barth wrote:
On 10.03.2015 22:23, aradeonas wrote:
Hi,
How can I compare two record?
Like this :
type
TRec=record
na:string;
end;
var
R1,R2:TRec;
Begin
R1.na:='A';
R2.na:='B';
if R1R2 then
Showmessage('Error')
At the declaration of TRec add this:
=== code begin ===
operator = (aLeft, aRight: TRec): Boolean;
=== code end ===
and then implement it like this:
=== code begin ===
operator = (aLeft, aRight: TRec): Boolean;
begin
Result := aLeft.na = aRight.na;
end;
=== code end ===
Alternatively you can declare the operator inside TRec if you enable
modeswitch advancedrecords:
=== code begin ===
type
TRec = record
na: String;
class operator = (aLeft, aRight: TRec): Boolean;
end;
=== code end ===
Implementation:
=== code begin ===
class operator TRec.=(aLeft, aRight: TRec): Boolean;
begin
Result := aLeft,na = aRight.na;
end;
=== code end ===
This /should/ work though I did not test it by compilation.
Regards,
Sven
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Re: [Lazarus] Compare record
On 10.03.2015 22:23, aradeonas wrote:
Hi,
How can I compare two record?
Like this :
type
TRec=record
na:string;
end;
var
R1,R2:TRec;
Begin
R1.na:='A';
R2.na:='B';
if R1R2 then
Showmessage('Error')
At the declaration of TRec add this:
=== code begin ===
operator = (aLeft, aRight: TRec): Boolean;
=== code end ===
and then implement it like this:
=== code begin ===
operator = (aLeft, aRight: TRec): Boolean;
begin
Result := aLeft.na = aRight.na;
end;
=== code end ===
Alternatively you can declare the operator inside TRec if you enable
modeswitch advancedrecords:
=== code begin ===
type
TRec = record
na: String;
class operator = (aLeft, aRight: TRec): Boolean;
end;
=== code end ===
Implementation:
=== code begin ===
class operator TRec.=(aLeft, aRight: TRec): Boolean;
begin
Result := aLeft,na = aRight.na;
end;
=== code end ===
This /should/ work though I did not test it by compilation.
Regards,
Sven
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Re: [Lazarus] Compare record
On Wed, 11 Mar 2015 10:02:36 +0100
Michael Schnell mschn...@lumino.de wrote:
On 03/11/2015 08:57 AM, aradeonas wrote:
operator = (aLeft, aRight: TRec): Boolean;
I get Logical Operator not supported.
As Sven wrote:
Alternatively you can declare the operator inside TRec if you enable
modeswitch advancedrecords
It means:
{$modeswitch advancedrecords}
Mattias
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Re: [Lazarus] Compare record
On 03/11/2015 08:57 AM, aradeonas wrote: operator = (aLeft, aRight: TRec): Boolean; Seemingly with operator =, operator is automatically overloaded. Nonetheless it is possible to do your own (contradicting) operator if you like :-) . -Michael -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Compare record
On 03/11/2015 08:57 AM, aradeonas wrote: operator = (aLeft, aRight: TRec): Boolean; I get Logical Operator not supported. -Michael -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
Can any one explain it to me or link me to a source? http://www.freepascal.org/docs-html/user/userse33.html http://www.freepascal.org/docs-html/prog/progap4.html http://www.freepascal.org/docs-html/prog/progsu106.html -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-Choose-compiler-mode-tp4041075p4041079.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
ModeSwitch is interesting.
But why they aren't in one mode?I mean all the good stuff in one mode?
Regards,
Ara
On Wed, Mar 11, 2015, at 02:35 AM, Mattias Gaertner wrote:
On Wed, 11 Mar 2015 10:20:54 +0100
Felipe Monteiro de Carvalho felipemonteiro.carva...@gmail.com wrote:
On Wed, Mar 11, 2015 at 9:02 AM, aradeonas aradeo...@operamail.com wrote:
What can I do when I want objfpc mode benefits that
is Lazarus default but for example I want advanced record syntax that
can used with Delphi mode?
Split your unit in 2: one in objfpc mode and another in delphi mode.
Or use {$ModeSwitch advancedrecords}.
Mattias
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Re: [Lazarus] Choose compiler mode
On Wed, Mar 11, 2015 at 9:02 AM, aradeonas aradeo...@operamail.com wrote: What can I do when I want objfpc mode benefits that is Lazarus default but for example I want advanced record syntax that can used with Delphi mode? Split your unit in 2: one in objfpc mode and another in delphi mode. -- Felipe Monteiro de Carvalho -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Choose compiler mode
On Wed, 11 Mar 2015 10:20:54 +0100
Felipe Monteiro de Carvalho felipemonteiro.carva...@gmail.com wrote:
On Wed, Mar 11, 2015 at 9:02 AM, aradeonas aradeo...@operamail.com wrote:
What can I do when I want objfpc mode benefits that
is Lazarus default but for example I want advanced record syntax that
can used with Delphi mode?
Split your unit in 2: one in objfpc mode and another in delphi mode.
Or use {$ModeSwitch advancedrecords}.
Mattias
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Re: [Lazarus] Choose compiler mode
On Wed, 11 Mar 2015, aradeonas wrote: ModeSwitch is interesting. But why they aren't in one mode?I mean all the good stuff in one mode? What is 'good stuff' ? That depends on the person. Also: you may want to control compatibility. If we added stuff that we think is fun, someone uses it in e.g. delphi mode without realizing Delphi doesn't support it, and suddenly his code no longer compiles in Delphi... Michael. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Compare record
On 03/11/2015 10:02 AM, Michael Schnell wrote:
I get Logical Operator not supported.
I do have:
{$mode objfpc}{$H+}
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Re: [Lazarus] Compare record
On 03/11/2015 10:02 AM, Michael Schnell wrote: I get Logical Operator not supported. I found that seemingly overloading an operator is not allowed within a procedure, while defining a type is allowed. Is this a bug or a feature ? Anyway, the error message is a bit misleading -Michael -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] How to write an eficient lexical scanner/parser?
However, I have a question: is there any article about 'how to write lexical parsers' using Object Pascal? First, you need to differentiate them correctly. Lexical scanner (or simply lexer) and parser, not lexical parser :) I've written some simple languages, generating GraphViz, LLVM or C code, using both self learning reference from the almighty Prof. Niklaus Wirth's articles, Jack Crenshaw's, the legendary dragon book and many others plus my compiler course in college. I really really suggest Prof. Niklaus Wirth's one (http://www.inf.ethz.ch/personal/wirth/, click the Compiler Construction link) as it's concise, simple, doesn't use stupid generator (i.e.: easy to implement by hand) while covering most important parts of the subject. While he didn't use or stress or even discourage the usage of abstract syntax tree, he did explain it that's good enough to understand. Here's what I've written in the past and is publicly available: - https://bitbucket.org/leledumbo/erd-maker (generates GraphViz code for ERD visualization) - https://bitbucket.org/leledumbo/linguc (generates LLVM code that can be compiled as a library for a mathematically provable language focusing in database driven application) I don't use the direct code generation approach anymore as I found the abstract syntax tree to be usable for more than just code generation. -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-How-to-write-an-eficient-lexical-scanner-parser-tp4041002p4041083.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Compare record
On 03/11/2015 10:31 AM, Mattias Gaertner wrote:
Alternatively you can declare the operator inside TRec if you enable
modeswitch advancedrecords It means: {$modeswitch advancedrecords}
Nice ! (I tested this but forgot the mode switch ;) )
Why is this mode not the default ?
-Michael
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Re: [Lazarus] Choose compiler mode
Like advancedrecords,
For many developers like me that Lazarus is going to be his/her main IDE
and dont care code compatible with Delphi these are boring.
For example Im using Delphi for 10 years and from the time Im using
Lazarus I never need comparability.
I mean while Lazarus and FPC are going to be bigger its good to have a
mode with all good stuff (again like advancedrecords in one place).
But what I know! Im new here.
Regards,
Ara
On Wed, Mar 11, 2015, at 02:49 AM, aradeonas wrote:
ModeSwitch is interesting.
But why they aren't in one mode?I mean all the good stuff in one mode?
Regards,
Ara
On Wed, Mar 11, 2015, at 02:35 AM, Mattias Gaertner wrote:
On Wed, 11 Mar 2015 10:20:54 +0100
Felipe Monteiro de Carvalho felipemonteiro.carva...@gmail.com wrote:
On Wed, Mar 11, 2015 at 9:02 AM, aradeonas aradeo...@operamail.com
wrote:
What can I do when I want objfpc mode benefits that
is Lazarus default but for example I want advanced record syntax that
can used with Delphi mode?
Split your unit in 2: one in objfpc mode and another in delphi mode.
Or use {$ModeSwitch advancedrecords}.
Mattias
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Re: [Lazarus] How to write an eficient lexical scanner/parser?
On Wed, Mar 11, 2015 at 2:38 AM, leledumbo leledumbo_c...@yahoo.co.id wrote: However, I have a question: is there any article about 'how to write lexical parsers' using Object Pascal? First, you need to differentiate them correctly. Lexical scanner (or simply lexer) and parser, not lexical parser :) I've written some simple languages, generating GraphViz, LLVM or C code, using both self learning reference from the almighty Prof. Niklaus Wirth's articles, Jack Crenshaw's, the legendary dragon book and many others plus my compiler course in college. I really really suggest Prof. Niklaus Wirth's one (http://www.inf.ethz.ch/personal/wirth/, click the Compiler Construction link) as it's concise, simple, doesn't use stupid generator (i.e.: easy to implement by hand) while covering most important parts of the subject. While he didn't use or stress or even discourage the usage of abstract syntax tree, he did explain it that's good enough to understand. Here's what I've written in the past and is publicly available: - https://bitbucket.org/leledumbo/erd-maker (generates GraphViz code for ERD visualization) - https://bitbucket.org/leledumbo/linguc (generates LLVM code that can be compiled as a library for a mathematically provable language focusing in database driven application) I don't use the direct code generation approach anymore as I found the abstract syntax tree to be usable for more than just code generation. -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-How-to-write-an-eficient-lexical-scanner-parser-tp4041002p4041083.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ When there is NO license information in your repositories , this means that NO one can use them . with respect to copy right laws or conventions . Thank you very much . Mehmet Erol Sanliturk -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] Someone help built qt4pas.dll for win64
I attached, all errors outputs. system is win8 x64
can some one help what is wrong or how to do build qt4pas5.dll x64?
Thank you.
qt 4.8.6 binary files from:
http://sourceforge.net/projects/qtx64/files/?source=navbar
mingw64 files from: http://www.drangon.org/mingw/
qt4pas5 source from
http://users.telenet.be/Jan.Van.hijfte/qtforfpc/fpcqt4.html
how to from:
http://wiki.freepascal.org/Qt_Interface#Quick_start_guide_for_Windows
these are my results:
d:\Qt\qt4pas-V2.5_Qt4.5.3qmake -query
QT_INSTALL_PREFIX:d:\Qt\4.8.6-w64
QT_INSTALL_DATA:d:\Qt\4.8.6-w64
QT_INSTALL_DOCS:d:\Qt\4.8.6-w64\doc
QT_INSTALL_HEADERS:d:\Qt\4.8.6-w64\include
QT_INSTALL_LIBS:d:\Qt\4.8.6-w64\lib
QT_INSTALL_BINS:d:\Qt\4.8.6-w64\bin
QT_INSTALL_PLUGINS:d:\Qt\4.8.6-w64\plugins
QT_INSTALL_IMPORTS:d:\Qt\4.8.6-w64\imports
QT_INSTALL_TRANSLATIONS:d:\Qt\4.8.6-w64\translations
QT_INSTALL_CONFIGURATION:d:/Qt/4.8.6-w64
QT_INSTALL_EXAMPLES:d:\Qt\4.8.6-w64\examples
QT_INSTALL_DEMOS:d:\Qt\4.8.6-w64\demos
QMAKE_MKSPECS:d:\Qt\4.8.6-w64\mkspecs
QMAKE_VERSION:2.01a
QT_VERSION:4.8.6
d:\Qt\qt4pas-V2.5_Qt4.5.3qmake Qt4Pas.pro
Project MESSAGE: Note: This binding version was generated for Qt 4.5.3.
Current
Qt is 4.8.6
Project MESSAGE: Qt documents binary compatibility in each Version
Change Note:
http://qt.nokia.com/developer/changes
Project MESSAGE: Pascal Qt Interface for binding platform: MSWINDOWS
Project MESSAGE: Install location: d:\Qt\4.8.6-w64\bin
d:\Qt\qt4pas-V2.5_Qt4.5.3make
g++ -c -pipe -fno-keep-inline-dllexport -O2 -w -frtti -fexceptions
-mthreads -DU
NICODE -DMSWINDOWS -DQT_DLL -DQT_NO_DEBUG -DQT_WEBKIT_LIB -DQT_GUI_LIB
-DQT_NETW
ORK_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_SSE -DQT_HAVE_MMXEXT
-DQT_HAVE_SSE
2 -DQT_THREAD_SUPPORT -I..\4.8.6-w64\include\QtCore
-I..\4.8.6-w64\include\Qt
Network -I..\4.8.6-w64\include\QtGui
-I..\4.8.6-w64\include\QtWebKit -I..\
4.8.6-w64\include -I..\4.8.6-w64\include\ActiveQt -Itmp
-I..\4.8.6-w64\mks
pecs\win32-g++-4.6 -o tmp\qt4pas.o src\qt4pas.cpp
In file included from src\qt4pas.cpp:59:0:
src\qwidget_c.cpp: In function 'unsigned int QWidget_winId(QWidgetH)':
src\qwidget_c.cpp:29:51: error: cast from 'WId {aka HWND__*}' to
'unsigned int'
loses precision [-fpermissive]
return (unsigned int) ((QWidget *)handle)-winId();
^
...
...
make: *** [tmp/qt4pas.o] Error 1
d:\Qt\qt4pas-V2.5_Qt4.5.3qmake -query
QT_INSTALL_PREFIX:d:\Qt\4.8.6-w64
QT_INSTALL_DATA:d:\Qt\4.8.6-w64
QT_INSTALL_DOCS:d:\Qt\4.8.6-w64\doc
QT_INSTALL_HEADERS:d:\Qt\4.8.6-w64\include
QT_INSTALL_LIBS:d:\Qt\4.8.6-w64\lib
QT_INSTALL_BINS:d:\Qt\4.8.6-w64\bin
QT_INSTALL_PLUGINS:d:\Qt\4.8.6-w64\plugins
QT_INSTALL_IMPORTS:d:\Qt\4.8.6-w64\imports
QT_INSTALL_TRANSLATIONS:d:\Qt\4.8.6-w64\translations
QT_INSTALL_CONFIGURATION:d:/Qt/4.8.6-w64
QT_INSTALL_EXAMPLES:d:\Qt\4.8.6-w64\examples
QT_INSTALL_DEMOS:d:\Qt\4.8.6-w64\demos
QMAKE_MKSPECS:d:\Qt\4.8.6-w64\mkspecs
QMAKE_VERSION:2.01a
QT_VERSION:4.8.6
d:\Qt\qt4pas-V2.5_Qt4.5.3qmake Qt4Pas.pro
Project MESSAGE: Note: This binding version was generated for Qt 4.5.3. Current
Qt is 4.8.6
Project MESSAGE: Qt documents binary compatibility in each Version Change Note:
http://qt.nokia.com/developer/changes
Project MESSAGE: Pascal Qt Interface for binding platform: MSWINDOWS
Project MESSAGE: Install location: d:\Qt\4.8.6-w64\bin
d:\Qt\qt4pas-V2.5_Qt4.5.3make
g++ -c -pipe -fno-keep-inline-dllexport -O2 -w -frtti -fexceptions -mthreads -DU
NICODE -DMSWINDOWS -DQT_DLL -DQT_NO_DEBUG -DQT_WEBKIT_LIB -DQT_GUI_LIB -DQT_NETW
ORK_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE
2 -DQT_THREAD_SUPPORT -I..\4.8.6-w64\include\QtCore -I..\4.8.6-w64\include\Qt
Network -I..\4.8.6-w64\include\QtGui -I..\4.8.6-w64\include\QtWebKit -I..\
4.8.6-w64\include -I..\4.8.6-w64\include\ActiveQt -Itmp -I..\4.8.6-w64\mks
pecs\win32-g++-4.6 -o tmp\qt4pas.o src\qt4pas.cpp
In file included from src\qt4pas.cpp:59:0:
src\qwidget_c.cpp: In function 'unsigned int QWidget_winId(QWidgetH)':
src\qwidget_c.cpp:29:51: error: cast from 'WId {aka HWND__*}' to 'unsigned int'
loses precision [-fpermissive]
return (unsigned int) ((QWidget *)handle)-winId();
^
src\qwidget_c.cpp: In function 'unsigned int QWidget_internalWinId(QWidgetH)':
src\qwidget_c.cpp:39:59: error: cast from 'WId {aka HWND__*}' to 'unsigned int'
loses precision [-fpermissive]
return (unsigned int) ((QWidget *)handle)-internalWinId();
^
src\qwidget_c.cpp: In function 'unsigned int QWidget_effectiveWinId(QWidgetH)':
src\qwidget_c.cpp:44:60: error: cast from 'WId {aka HWND__*}' to 'unsigned int'
loses precision [-fpermissive]
return (unsigned int) ((QWidget *)handle)-effectiveWinId();
^
In file included from src\qt4pas.cpp:14:0:
src\pascalbind.h: In instantiation of 'void
Re: [Lazarus] Someone help built qt4pas.dll for win64
On 03/11/2015 12:44 PM, FreeMan wrote:
I attached, all errors outputs. system is win8 x64
can some one help what is wrong or how to do build qt4pas5.dll x64?
Thank you.
Add -fpermissive to gcc so it should compile then. In that case such
errors will become warnings (something like range check on/off in fpc).
z.
qt 4.8.6 binary files from:
http://sourceforge.net/projects/qtx64/files/?source=navbar
mingw64 files from: http://www.drangon.org/mingw/
qt4pas5 source from
http://users.telenet.be/Jan.Van.hijfte/qtforfpc/fpcqt4.html
how to from:
http://wiki.freepascal.org/Qt_Interface#Quick_start_guide_for_Windows
these are my results:
d:\Qt\qt4pas-V2.5_Qt4.5.3qmake -query
QT_INSTALL_PREFIX:d:\Qt\4.8.6-w64
QT_INSTALL_DATA:d:\Qt\4.8.6-w64
QT_INSTALL_DOCS:d:\Qt\4.8.6-w64\doc
QT_INSTALL_HEADERS:d:\Qt\4.8.6-w64\include
QT_INSTALL_LIBS:d:\Qt\4.8.6-w64\lib
QT_INSTALL_BINS:d:\Qt\4.8.6-w64\bin
QT_INSTALL_PLUGINS:d:\Qt\4.8.6-w64\plugins
QT_INSTALL_IMPORTS:d:\Qt\4.8.6-w64\imports
QT_INSTALL_TRANSLATIONS:d:\Qt\4.8.6-w64\translations
QT_INSTALL_CONFIGURATION:d:/Qt/4.8.6-w64
QT_INSTALL_EXAMPLES:d:\Qt\4.8.6-w64\examples
QT_INSTALL_DEMOS:d:\Qt\4.8.6-w64\demos
QMAKE_MKSPECS:d:\Qt\4.8.6-w64\mkspecs
QMAKE_VERSION:2.01a
QT_VERSION:4.8.6
d:\Qt\qt4pas-V2.5_Qt4.5.3qmake Qt4Pas.pro
Project MESSAGE: Note: This binding version was generated for Qt 4.5.3.
Current
Qt is 4.8.6
Project MESSAGE: Qt documents binary compatibility in each Version
Change Note:
http://qt.nokia.com/developer/changes
Project MESSAGE: Pascal Qt Interface for binding platform: MSWINDOWS
Project MESSAGE: Install location: d:\Qt\4.8.6-w64\bin
d:\Qt\qt4pas-V2.5_Qt4.5.3make
g++ -c -pipe -fno-keep-inline-dllexport -O2 -w -frtti -fexceptions
-mthreads -DU
NICODE -DMSWINDOWS -DQT_DLL -DQT_NO_DEBUG -DQT_WEBKIT_LIB -DQT_GUI_LIB
-DQT_NETW
ORK_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_SSE -DQT_HAVE_MMXEXT
-DQT_HAVE_SSE
2 -DQT_THREAD_SUPPORT -I..\4.8.6-w64\include\QtCore
-I..\4.8.6-w64\include\Qt
Network -I..\4.8.6-w64\include\QtGui
-I..\4.8.6-w64\include\QtWebKit -I..\
4.8.6-w64\include -I..\4.8.6-w64\include\ActiveQt -Itmp
-I..\4.8.6-w64\mks
pecs\win32-g++-4.6 -o tmp\qt4pas.o src\qt4pas.cpp
In file included from src\qt4pas.cpp:59:0:
src\qwidget_c.cpp: In function 'unsigned int QWidget_winId(QWidgetH)':
src\qwidget_c.cpp:29:51: error: cast from 'WId {aka HWND__*}' to
'unsigned int'
loses precision [-fpermissive]
return (unsigned int) ((QWidget *)handle)-winId();
^
...
...
make: *** [tmp/qt4pas.o] Error 1
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