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identifier not found
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Topic: identifier not found (Read 4865 times)
mrspock1
New Member
Posts: 29
identifier not found
«
on:
August 02, 2018, 10:04:56 am »
I downloaded
https://github.com/maciej-izak/generics.collections
and put the "src" and "inc" directories in the project=>options=> other unit files
in the "uses" I added "Contnrs" and "Generics.Collections"
I get identifier not found while putting in the code
type
b=TQueue;
a= TDictionary;
Logged
Handoko
Hero Member
Posts: 4017
My goal: build my own game engine using Lazarus
Re: identifier not found
«
Reply #1 on:
August 02, 2018, 10:23:13 am »
Try this:
01. Start a new project
02. Lazarus main menu >
File
>
Open
03. Browse to the [location]
\src
04. Open the file named
generics.collections.pas
05. Lazarus main menu >
Project
>
Add Editor File to Project
06. Answer
Yes
(when asked Add to unit search path?)
07. Goto the tab
unit1
(your source code)
08. Type
Generics.Collections
in the uses clauses
09. It should work now
Logged
mrspock1
New Member
Posts: 29
Re: identifier not found
«
Reply #2 on:
August 02, 2018, 10:37:45 am »
There is some progress. Type definitions are OK.
but I get the message
The GDB command:
"-environment-cd "C:/Users/mariu/AppData/Local/Temp/""
returned the error:
",msg="C:/Users/mariu/AppData/Local/Temp/: Permission denied.""
I do not know where to set this to a different directory
Logged
Handoko
Hero Member
Posts: 4017
My goal: build my own game engine using Lazarus
Re: identifier not found
«
Reply #3 on:
August 02, 2018, 10:40:14 am »
I use Linux but my guess is you had not save the project. Try to save the project first before running:
Lazarus main menu > File > Save All
Logged
mrspock1
New Member
Posts: 29
Re: identifier not found
«
Reply #4 on:
August 02, 2018, 10:58:33 am »
I had to start a new project as there were some errors unsolvable. Repeated everything and get the same message "identifier not found" regarding Tqueue and Tdictionary.
Now I do not know at all where I did something wrong.
Logged
marcov
Global Moderator
Hero Member
Posts: 9022
FPC developer.
Re: identifier not found
«
Reply #5 on:
August 02, 2018, 12:14:13 pm »
Quote from: mrspock1 on August 02, 2018, 10:04:56 am
type
b=TQueue;
a= TDictionary;
This is correct, since it requires specialization TQueue<ATYTPE> or TDICTIONARY<ATYPE>
Make sure you enable delphi mode, so you don't have to learn the old objfpc generics dialect.
Logged
mrspock1
New Member
Posts: 29
Re: identifier not found
«
Reply #6 on:
August 02, 2018, 02:17:23 pm »
That is correct, I used in the first place
b=TQueue<byte>;
a= TDictionary<byte,byte>;
and got ";" expected but "<" found. So removed all within <> and then there was the message identifier not found.
Logged
Thaddy
Hero Member
Posts: 10684
Re: identifier not found
«
Reply #7 on:
August 02, 2018, 02:49:03 pm »
I think you are mixing up mode delphi and mode objfpc.
Mode objfpc (default, als, in Lazarus) has a very different syntax for generics.
Logged
mrspock1
New Member
Posts: 29
Re: identifier not found
«
Reply #8 on:
August 02, 2018, 03:03:32 pm »
I have previously set
compiler options=>analysis=>syntax mode=> Delphi (-MDelphi)
Logged
marcov
Global Moderator
Hero Member
Posts: 9022
FPC developer.
Re: identifier not found
«
Reply #9 on:
August 02, 2018, 03:04:15 pm »
Or it finds the contnrs versions. Remove contnrs from the uses.
Logged
mrspock1
New Member
Posts: 29
Re: identifier not found
«
Reply #10 on:
August 02, 2018, 03:13:20 pm »
The same problem
type
b=TQueue<byte>;
a= TDictionary<byte,byte>;
";" expected but "<" found
Logged
mrspock1
New Member
Posts: 29
Re: identifier not found
«
Reply #11 on:
August 02, 2018, 03:47:52 pm »
Ops.. my mistake
So I removed "contnrs" from the uses in Unit1
and put
unit Unit1;
{$MODE DELPHI}{$H+}
and now all works
only I did not expect to have so much trouble
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