Nimsuggest crash

[StefanSalewski]

$ cat t.nim 
type
  V = ref object
    x, y: int

proc m =
  var v = V(x: x, y)

m()

$ nimsuggest t.nim 
SIGSEGV: Illegal storage access. (Attempt to read from nil?)
Segmentation fault (core dumped)

nim check t.nim 
Hint: used config file '/home/salewski/Nim/config/nim.cfg' [Conf]
Hint: used config file '/home/salewski/Nim/config/config.nims' [Conf]
....
/tmp/hhh/t.nim(6, 16) Error: undeclared identifier: 'x'
candidates (edit distance, scope distance); see '--spellSuggest': 
 (1, 2): 'V' [type declared in /tmp/hhh/t.nim(2, 3)]
 (1, 2): 'm' [proc declared in /tmp/hhh/t.nim(5, 6)]
 (1, 3): 't' [module declared in /tmp/hhh/t.nim(1, 2)]
 (1, 4): '$' [proc declared in /home/salewski/Nim/lib/system/dollars.nim(1, 6)]
/tmp/hhh/t.nim(6, 16) Error: expression 'x' has no type (or is ambiguous)
/tmp/hhh/t.nim(6, 19) Error: incorrect object construction syntax
/tmp/hhh/t.nim(6, 19) Error: incorrect object construction syntax
/tmp/hhh/t.nim(6, 7) Hint: 'v' is declared but not used [XDeclaredButNotUsed]
fatal.nim(53)            sysFatal
Error: unhandled exception: 'sons' is not accessible using discriminant 'kind' of type 'TNode' [FieldDefect]

nim -v
Nim Compiler Version 1.5.1 [Linux: amd64]
Compiled at 2021-03-19
Copyright (c) 2006-2021 by Andreas Rumpf

git hash: 83e002a318dee2370b266446d5ec26ad97a65f57
active boot switches: -d:release

[StefanSalewski]

Thanks for trying to fix...

While nim check works fine now, nimsuggest unfortunately still crashes when one tries to fill in the values of an object constructor as in

$ cat t.nim 
proc prepare_and_insert_input_data_for_finding_hull_to_stack(
    disks: ListCircularDisk2D; preApexDisk: CircularDisk2D;
    postApexDisk: CircularDisk2D; hullPointOfPreApexDisk: Point2D;
    hullPointOfPostApexDisk: Point2D; stackForFindingHull: StackInputForFindHull) =
    var inputForFindHull = InputForFindHull(disks: disks, preApexDisk, postApexDisk, hullPointOfPreApexDisk, hullPointOfPostApexDisk)
    
salewski@nuc ~/quickhulldisk $ nimsuggest t.nim 
SIGSEGV: Illegal storage access. (Attempt to read from nil?)
Segmentation fault (core dumped)
salewski@nuc ~/quickhulldisk $ nim check t.nim 
Hint: used config file '/home/salewski/Nim/config/nim.cfg' [Conf]
Hint: used config file '/home/salewski/Nim/config/config.nims' [Conf]
....
/home/salewski/quickhulldisk/t.nim(2, 12) Error: undeclared identifier: 'ListCircularDisk2D'
candidates (edit distance, scope distance); see '--spellSuggest': 
 (13, 3): 'LibraryError' [type declared in /home/salewski/Nim/lib/system/exceptions.nim(66, 3)]
 (13, 3): 'cstringArray' [type declared in /home/salewski/Nim/lib/system.nim(1448, 3)]
 (13, 3): 'declared' [proc declared in /home/salewski/Nim/lib/system.nim(169, 8)]
 (13, 3): 'gcInvariant' [proc declared in /home/salewski/Nim/lib/system/gc.nim(437, 6)]
 (13, 3): 'iterators' [module declared in /home/salewski/Nim/lib/system/iterators.nim(1, 2)]
 (13, 3): 'nimCoroutines' [const declared in /home/salewski/Nim/lib/system.nim(1928, 9)]
 (13, 3): 'resizeShared' [proc declared in /home/salewski/Nim/lib/system/memalloc.nim(288, 8)]
 (13, 3): 'staticRead' [proc declared in /home/salewski/Nim/lib/system.nim(2646, 6)]
 (13, 3): 'writeChars' [proc declared in /home/salewski/Nim/lib/system/io.nim(214, 6)]
/home/salewski/quickhulldisk/t.nim(2, 45) Error: undeclared identifier: 'CircularDisk2D'
candidates (edit distance, scope distance); see '--spellSuggest': 
 (5, 2): 'ListCircularDisk2D' [unknown declared in /home/salewski/quickhulldisk/t.nim(2, 12)]
 (5, 2): 'ListCircularDisk2D' [unknown declared in /home/salewski/quickhulldisk/t.nim(2, 12)]
/home/salewski/quickhulldisk/t.nim(3, 59) Error: undeclared identifier: 'Point2D'
candidates (edit distance, scope distance); see '--spellSuggest': 
 (3, 3): 'PInt32' [type declared in /home/salewski/Nim/lib/system.nim(1457, 3)]
 (3, 3): 'PInt64' [type declared in /home/salewski/Nim/lib/system.nim(1456, 3)]
 (3, 3): 'pointer' [type declared in /home/salewski/Nim/lib/system.nim(36, 3)]
 (3, 3): 'toInt' [proc declared in /home/salewski/Nim/lib/system.nim(1477, 6)]
/home/salewski/quickhulldisk/t.nim(4, 60) Error: undeclared identifier: 'StackInputForFindHull'
candidates (edit distance, scope distance); see '--spellSuggest': 
 (14, 3): 'StackTraceEntry' [type declared in /home/salewski/Nim/lib/system/exceptions.nim(17, 3)]
/home/salewski/quickhulldisk/t.nim(5, 28) Error: undeclared identifier: 'InputForFindHull'
candidates (edit distance, scope distance); see '--spellSuggest': 
 (6, 3): 'StackInputForFindHull' [unknown declared in /home/salewski/quickhulldisk/t.nim(4, 60)]
 (6, 3): 'StackInputForFindHull' [unknown declared in /home/salewski/quickhulldisk/t.nim(4, 60)]
/home/salewski/quickhulldisk/t.nim(5, 44) Error: object constructor needs an object type
/home/salewski/quickhulldisk/t.nim(5, 44) Error: expression '' has no type (or is ambiguous)
/home/salewski/quickhulldisk/t.nim(5, 9) Hint: 'inputForFindHull' is declared but not used [XDeclaredButNotUsed]
/home/salewski/quickhulldisk/t.nim(1, 6) Hint: 'prepare_and_insert_input_data_for_finding_hull_to_stack' is declared but not used [XDeclaredButNotUsed]
salewski@nuc ~/quickhulldisk $ nim -v
Nim Compiler Version 1.5.1 [Linux: amd64]
Compiled at 2021-03-30
Copyright (c) 2006-2021 by Andreas Rumpf

git hash: 9e88425d7c5e3edfcbddedbe062c5f028789a002
active boot switches: -d:release

Not that example is an actual use case, not invalid Ruby or C++ code. The Object I try to fill is

type
  InputForFindHull* = object # {.bycopy.} = object
    disks*: ListCircularDisk2D
    preApexDisk*: CircularDisk2D
    postApexDisk*: CircularDisk2D
    hullPointOfPreApexDisk*: Point2D
    hullPointOfPostApexDisk*: Point2D