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Bug 4898 – Can't see parent function's variables from nested functions when debugging

Status: RESOLVED
Resolution: FIXED
Severity: enhancement
Priority: P3
Component: dmd
Product: D
Version: D2
Platform: Other
OS: Windows
Creation time: 2010-09-19T14:24:58Z
Last change time: 2019-08-20T22:08:54Z
Keywords: DebugInfo
Assigned to: No Owner
Creator: Aldo Nunez

Comments

Comment #0 by aldonunez1 — 2010-09-19T14:24:58Z

The debug info for a nested function has an entry for a "this" variable which points to the variables in the parent function that the nested function can use. The type of that variable is void*. If it were a kind of struct, then we could see those dependent variables. This is particularly useful for closures where the user can't look at the enclosing function's frame directly.

Comment #1 by bearophile_hugs — 2010-09-19T18:02:23Z

Is this an enhancement request?

Comment #2 by aldonunez1 — 2010-09-20T21:03:48Z

I guess it would be an enhancement. I updated the bug.

Comment #3 by r.sagitario — 2019-08-20T22:08:54Z

added struct debug info to closure pointers in dmd 2.084