Follow-up Comment #11, bug #43454 (project gnustep):
I finally managed to reproduce the descriped behaviour with a slight variation
of my code:
[text insertText: @"Hola program"];
NSLog(@"inserting text");
[text setSelectedRange: NSMakeRange(5, 7)];
[textStorage beginEditing];
[text replaceCharactersInRange: NSMakeRange(5, 7) withString: @"programa"];
NSLog(@"glyphAtIndex");
//[lm glyphAtIndex: 13 isValidIndex: &valid];
[lm _generateRunsToCharacter: 13];
NSLog(@"endEditing");
[textStorage endEditing];
NSLog(@"didChangeText");
[text didChangeText];
NSLog(@"inserted text");
With this I get an ifinit loop and the glyph dump just looks like yours:
--- dumping runs
0x22014d0 13 chars, 13 glyphs, 1 complete, prev 0x206dea0 next 0x222a268
level 0, continued 0
glyphs:
0 0048 u0048 1 006f u006f 2 006c u006c 3 0061 u0061 4
0020 u0020 5 0070 u0070 6 0072 u0072 7 006f u006f 8 0067
u0067 9 0072 u0072 10 0061 u0061 11 006d u006d 12 0061 u0061
0x222a268 1 chars, 0 glyphs, 0 complete, prev 0x22014d0 next (nil)
level 1, continued 0
- structure
head: 0x22014d0 1 0 0|0x222a250 1 13 13| (nil) 0 14 13| (nil)
0 14 13| (nil) 0 14 13| (nil) 0 14 13| (nil) 0 14 13| (nil) 0
14 13| (nil) 0 14 13| (nil) 0 14 13| (nil) 0 14 13| (nil) 0 14
13| (nil) 0 14 13| (nil) 0 14 13| (nil) 0 14 13|
0x22014d0: 0x222a268 1 13 13|
0x222a268: (nil) 0 1 0| (nil) 0 1 0|
--- done
With the commented out line,
[lm glyphAtIndex: 13 isValidIndex: &valid];
I get no glyph dumps and the following message:
Problem posting notification: <NSException: 0x20c2640> NAME:NSGenericException
REASON:Glyph generation was triggered for a layout manager while the text
storage it was attached to had unprocessed editing. This is not allowed. Glyph
generation may be triggered only at points where calls to -beginEditing and
-endEditing are balanced. INFO:(null)
Now with this in place I should be finally able to track down what is going
wrong.
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