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Merge pull request #5317 from rokups/feature/coroutines

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Coroutine improvements
This commit is contained in:
Andreas Rumpf 2017-02-26 23:24:29 +01:00 • committed by GitHub
commit 895e2aea15
28 changed files with 800 additions and 769 deletions
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20
lib/system.nim
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@ -2462,6 +2462,26 @@ template accumulateResult*(iter: untyped) =
# we have to compute this here before turning it off in except.nim anyway ...
const NimStackTrace = compileOption("stacktrace")
template coroutinesSupportedPlatform(): bool =
when defined(sparc) or defined(ELATE) or compileOption("gc", "v2") or
defined(boehmgc) or defined(gogc) or defined(nogc) or defined(gcStack) or
defined(gcMarkAndSweep):
false
else:
true
when defined(nimCoroutines):
# Explicit opt-in.
when not coroutinesSupportedPlatform():
{.error: "Coroutines are not supported on this architecture and/or garbage collector.".}
const nimCoroutines* = true
elif defined(noNimCoroutines):
# Explicit opt-out.
const nimCoroutines* = false
else:
# Autodetect coroutine support.
const nimCoroutines* = false
{.push checks: off.}
# obviously we cannot generate checking operations here :-)
# because it would yield into an endless recursion