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add simple writeStackTrace for JS backend (#16016)

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* add simple writeStackTrace for JS backend

* add testcase for writeStackTrace

* changelog
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flywind 2020-11-25 02:45:06 +08:00 • committed by GitHub
commit 19e224866b
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4 changed files with 20 additions and 1 deletions
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5
lib/system/jssys.nim
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@ -105,6 +105,11 @@ proc rawWriteStackTrace(): string =
else:
result = "No stack traceback available\n"
proc writeStackTrace() =
var trace = rawWriteStackTrace()
trace.setLen(trace.len - 1)
echo trace
proc getStackTrace*(): string = rawWriteStackTrace()
proc getStackTrace*(e: ref Exception): string = e.trace