Failed to compile when export a string field:

[zhmt]

Here is my class, I am trying to export first field "skillId"

type SkillBase3D* = ptr object of Node3D
  skillId* {.gdexport.}: string = "PlayerMeleeAttack"
  timecc* : float32
  status*: SkillStatus = coolingDown
  detectArea3D* : Area3D
  bulletCache*: Node
  bullets* :Node
  followingBullets*: Node3D
  detectedTargets*: HashSet[MyCharBase3D.MyCharBase3D] = initHashSet[MyCharBase3D.MyCharBase3D]()
  params*: SkillSetting

A error was reported when building with gdext 0.4.1:

G:\g7\Client\nim\libprj\bootstrap.nim(15, 25) template/generic instantiation of `execon` from here
G:\g7\Client\nim\libprj\bootstrap.nim(21, 3) template/generic instantiation of `register` from here
C:\Users\zhmt\.nimble\pkgs2\gdext-0.4.0-27e56b6de8c4b416694df1c97d4b5d3dc9972588\gdext\surface\userclass.nim(136, 3) template/generic instantiation of `processExports` from here
G:\g7\Client\nim\libprj\src\game\SkillBase3D.nim(51, 3) Error: undeclared identifier: 'skillId'
candidates (edit distance, scope distance); see '--spellSuggest':
 (4, 6): 'ceilDiv'
 (4, 6): 'ceili'
 (4, 6): 'failed'

The error will not be reported if "{.gdexport.}" is removed.

[zhmt]

It is a base class, and it has a child class "SkillMeleeAttack".
If fields from "SkillMeleeAttack" are exported , everything goes OK.
It seems that fields from base class refused to bed exported.

[zhmt]

Is it difficult to be fixed?

[panno8M]

This code looks like correct. I will investigate.
Is gdext-nim/testproject/editor/nim/bootstrap.nim compilable?
Or can you create a minimum reproduction?

[zhmt]

How to reproduce :
create A base class :

type SkillBase3D* = ptr object of Node3D
  skillId* {.gdexport.}: string = "PlayerMeleeAttack"

```nim
create a subclass:

type SkillMeleeAttack3D* = ptr object of SkillBase3D
duration* : float32 = 0.33

register them.

the build error should be reproduced.

[panno8M]

Can you zip the project and send it to us?

If you don't want to publish it, please email it to me([email protected]). I promise to delete the data as soon as I finish my research.

[zhmt]

nim.zip
I have created a minimum project, you can download it.
How to build:

cd nim
nim c --stackTrace:on --lineTrace:on .\libprj\bootstrap.nim

[panno8M]

Thank you very much. I will do some research.

Btw this is a bit verbose, but try the following. (I just hard-coded what the gdexport pragma does internally)

type SkillBase3D* = ptr object of Node3D
  skillId*: string = "PlayerMeleeAttack"
  timecc* : float32
  status*: SkillStatus = coolingDown
  detectArea3D* : Area3D
  bulletCache*: Node
  bullets* :Node
  followingBullets*: Node3D
  detectedTargets*: HashSet[MyCharBase3D.MyCharBase3D] = initHashSet[MyCharBase3D.MyCharBase3D]()
  params*: SkillSetting

gdexport "skillId",
    proc (self: SkillBase3D): string = self.skillId,
    proc (self: SkillBase3D; value: string) = self.skillId = value

[zhmt]

gdexport "skillId",
    proc (self: SkillBase3D): string = self.skillId,
    proc (self: SkillBase3D; value: string) = self.skillId = value

the hard-coded snippet works.

[panno8M]

I found the cause of the problem, but it will take some time to fix the root cause.

It seems to be caused by a batting between the module name and the class name, so as a temporary measure, rename SkillBase3D.nim appropriately.

[zhmt]

There are a few fields that need to be exported, so I'll hard-code them for now; it won't have much impact.

[panno8M]

If you modify the module name (filename) to something other (gd***.nim is recommended) than the class name, the first snippet should work.

[zhmt]

I renamed SkillBase3D.nim to gdSkillBase3D.nim , It works now.
Thanks!!!!