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gc: destructors is beginning to work (#10483)

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* kochdocs.nim: code cleanup
* docgen: nicer indentation
* parser.nim: code cleanup
* fixes #10458
* make tests green again
* make =destroy mixins
* gc:destructors: produced C code is almost working
* --gc:destructors simple program compiles (but leaks memory)
* gc:destructors make examples compile in C++ mode
* destructors: string implementation bugfixes
* strs.nim: minor code cleanup
* destructors: builtin seqs are beginning to work
* remove debugging helpers
This commit is contained in:
Andreas Rumpf 2019-01-29 15:12:16 +01:00 • committed by GitHub
commit dee8e6e98a
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19 changed files with 162 additions and 101 deletions
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21
lib/system/excpt.nim
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@ -220,11 +220,12 @@ proc auxWriteStackTrace(f: PFrame; s: var seq[StackTraceEntry]) =
inc(i)
it = it.prev
var last = i-1
if s.len == 0:
s = newSeq[StackTraceEntry](i)
else:
last = s.len + i - 1
s.setLen(last+1)
when true: # not defined(gcDestructors):
if s.len == 0:
s = newSeq[StackTraceEntry](i)
else:
last = s.len + i - 1
s.setLen(last+1)
it = f
while it != nil:
s[last] = StackTraceEntry(procname: it.procname,
@ -440,11 +441,13 @@ proc getStackTrace(e: ref Exception): string =
else:
result = ""
when not defined(gcDestructors):
proc getStackTraceEntries*(e: ref Exception): seq[StackTraceEntry] =
## Returns the attached stack trace to the exception ``e`` as
## a ``seq``. This is not yet available for the JS backend.
proc getStackTraceEntries*(e: ref Exception): seq[StackTraceEntry] =
## Returns the attached stack trace to the exception ``e`` as
## a ``seq``. This is not yet available for the JS backend.
when not defined(gcDestructors):
shallowCopy(result, e.trace)
else:
result = move(e.trace)
const nimCallDepthLimit {.intdefine.} = 2000